Migrate to FFmpeg Delphi/Pascal Headers by http://www.delphiffmpeg.com

Signed-off-by: Laentir Valetov <laex@bk.ru>
This commit is contained in:
Laentir Valetov 2017-09-30 03:13:05 +04:00
parent df2f17675f
commit aa8ce8ae96
70 changed files with 147 additions and 21179 deletions

12
.gitignore vendored
View File

@ -8,6 +8,12 @@ ipch/
lib/ lib/
/resource/result/*.* /resource/result/*.*
CVAutoInstaller/ CVAutoInstaller/
/source/ffmpeg/examples
/source/ffmpeg/headers
#ResourceFiles
/resource/stereosample/Aloe/*.png
/resource/stereosample/Aloe/dmin.txt
#Files #Files
*.exe *.exe
@ -50,8 +56,4 @@ CVAutoInstaller/
*.filters *.filters
*.user *.user
!opencv_classes*.dll !opencv_classes*.dll
!opencv_classes*.dll !opencv_classes*.dll
#ResourceFiles
/resource/stereosample/Aloe/*.png
/resource/stereosample/Aloe/dmin.txt

View File

@ -53,12 +53,13 @@ Unzip it to a convenient directory, thus get the following directory structure<b
<samples> <samples>
<source> <source>
``` ```
Download the [FFmpeg Delphi/Pascal Headers][6] and extract to <PROJECT_ROOT>\source\ffmpeg<br>
Add the search path for the modules of the project in Delphi IDE (Tools-Options-Delphi Options-Library-Library path) Add the search path for the modules of the project in Delphi IDE (Tools-Options-Delphi Options-Library-Library path)
``` ```
<PROJECT_ROOT>\source <PROJECT_ROOT>\source
<PROJECT_ROOT>\source\classes <PROJECT_ROOT>\source\classes
<PROJECT_ROOT>\source\component <PROJECT_ROOT>\source\component
<PROJECT_ROOT>\source\ffmpeg <PROJECT_ROOT>\source\ffmpeg\headers
<PROJECT_ROOT>\source\opengl <PROJECT_ROOT>\source\opengl
<PROJECT_ROOT>\source\sdl <PROJECT_ROOT>\source\sdl
<PROJECT_ROOT>\source\sdl2 <PROJECT_ROOT>\source\sdl2
@ -90,7 +91,7 @@ Examples of the use of video processing algorithms using VCL.Forms
``` ```
Examples of using FFMPEG library header files are in the Examples of using FFMPEG library header files are in the
``` ```
<PROJECT_ROOT>\samples\FFMpeg\FFMPEG.groupproj <PROJECT_ROOT>\source\ffmpeg\examples
``` ```
Examples of use of components Examples of use of components
``` ```
@ -107,4 +108,5 @@ Examples of use of components
[2]: https://www.microsoft.com/en-us/download/details.aspx?id=48145 [2]: https://www.microsoft.com/en-us/download/details.aspx?id=48145
[3]: https://www.libsdl.org/index.php [3]: https://www.libsdl.org/index.php
[4]: https://github.com/opencv/opencv/releases/tag/2.4.13.2 [4]: https://github.com/opencv/opencv/releases/tag/2.4.13.2
[5]: http://ffmpeg.zeranoe.com/builds/ [5]: http://ffmpeg.zeranoe.com/builds/
[6]: http://www.delphiffmpeg.com/headers/

View File

@ -4,7 +4,7 @@ interface
uses uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
Vcl.Controls, Vcl.Forms, Vcl.Dialogs, ffm.libavcodec.avcodec, ocv.comp.FFMSource, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, libavcodec, ocv.comp.FFMSource,
ocv.comp.Types, ocv.comp.Source, ocv.comp.View, Vcl.StdCtrls, Vcl.ExtCtrls; ocv.comp.Types, ocv.comp.Source, ocv.comp.View, Vcl.StdCtrls, Vcl.ExtCtrls;
type type

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@ -1,96 +0,0 @@
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<ProjectGuid>{494E9258-6938-4D18-843D-93EBD2FC9965}</ProjectGuid>
</PropertyGroup>
<ItemGroup>
<Projects Include="ffmpeg_sample_player\ffmpeg_sample_player.dproj">
<Dependencies/>
</Projects>
<Projects Include="filtering_video\filtering_video.dproj">
<Dependencies/>
</Projects>
<Projects Include="metadata\metadata.dproj">
<Dependencies/>
</Projects>
<Projects Include="scaling_video\scaling_video.dproj">
<Dependencies/>
</Projects>
<Projects Include="VideoEncoder\ffmVideoEncoder.dproj">
<Dependencies/>
</Projects>
<Projects Include="ffm_SDL2_VCL_player\ffm_SDL2_VCL_player.dproj">
<Dependencies/>
</Projects>
</ItemGroup>
<ProjectExtensions>
<Borland.Personality>Default.Personality.12</Borland.Personality>
<Borland.ProjectType/>
<BorlandProject>
<Default.Personality/>
</BorlandProject>
</ProjectExtensions>
<Target Name="ffmpeg_sample_player">
<MSBuild Projects="ffmpeg_sample_player\ffmpeg_sample_player.dproj"/>
</Target>
<Target Name="ffmpeg_sample_player:Clean">
<MSBuild Projects="ffmpeg_sample_player\ffmpeg_sample_player.dproj" Targets="Clean"/>
</Target>
<Target Name="ffmpeg_sample_player:Make">
<MSBuild Projects="ffmpeg_sample_player\ffmpeg_sample_player.dproj" Targets="Make"/>
</Target>
<Target Name="filtering_video">
<MSBuild Projects="filtering_video\filtering_video.dproj"/>
</Target>
<Target Name="filtering_video:Clean">
<MSBuild Projects="filtering_video\filtering_video.dproj" Targets="Clean"/>
</Target>
<Target Name="filtering_video:Make">
<MSBuild Projects="filtering_video\filtering_video.dproj" Targets="Make"/>
</Target>
<Target Name="metadata">
<MSBuild Projects="metadata\metadata.dproj"/>
</Target>
<Target Name="metadata:Clean">
<MSBuild Projects="metadata\metadata.dproj" Targets="Clean"/>
</Target>
<Target Name="metadata:Make">
<MSBuild Projects="metadata\metadata.dproj" Targets="Make"/>
</Target>
<Target Name="scaling_video">
<MSBuild Projects="scaling_video\scaling_video.dproj"/>
</Target>
<Target Name="scaling_video:Clean">
<MSBuild Projects="scaling_video\scaling_video.dproj" Targets="Clean"/>
</Target>
<Target Name="scaling_video:Make">
<MSBuild Projects="scaling_video\scaling_video.dproj" Targets="Make"/>
</Target>
<Target Name="ffmVideoEncoder">
<MSBuild Projects="VideoEncoder\ffmVideoEncoder.dproj"/>
</Target>
<Target Name="ffmVideoEncoder:Clean">
<MSBuild Projects="VideoEncoder\ffmVideoEncoder.dproj" Targets="Clean"/>
</Target>
<Target Name="ffmVideoEncoder:Make">
<MSBuild Projects="VideoEncoder\ffmVideoEncoder.dproj" Targets="Make"/>
</Target>
<Target Name="ffm_SDL2_VCL_player">
<MSBuild Projects="ffm_SDL2_VCL_player\ffm_SDL2_VCL_player.dproj"/>
</Target>
<Target Name="ffm_SDL2_VCL_player:Clean">
<MSBuild Projects="ffm_SDL2_VCL_player\ffm_SDL2_VCL_player.dproj" Targets="Clean"/>
</Target>
<Target Name="ffm_SDL2_VCL_player:Make">
<MSBuild Projects="ffm_SDL2_VCL_player\ffm_SDL2_VCL_player.dproj" Targets="Make"/>
</Target>
<Target Name="Build">
<CallTarget Targets="ffmpeg_sample_player;filtering_video;metadata;scaling_video;ffmVideoEncoder;ffm_SDL2_VCL_player"/>
</Target>
<Target Name="Clean">
<CallTarget Targets="ffmpeg_sample_player:Clean;filtering_video:Clean;metadata:Clean;scaling_video:Clean;ffmVideoEncoder:Clean;ffm_SDL2_VCL_player:Clean"/>
</Target>
<Target Name="Make">
<CallTarget Targets="ffmpeg_sample_player:Make;filtering_video:Make;metadata:Make;scaling_video:Make;ffmVideoEncoder:Make;ffm_SDL2_VCL_player:Make"/>
</Target>
<Import Project="$(BDS)\Bin\CodeGear.Group.Targets" Condition="Exists('$(BDS)\Bin\CodeGear.Group.Targets')"/>
</Project>

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@ -1,124 +0,0 @@
program ffmVideoEncoder;
{$APPTYPE CONSOLE}
{$POINTERMATH ON}
{$R *.res}
uses
System.SysUtils,
ffm.cls.videoencoder,
ffm.libavcodec.avcodec,
ffm.pixfmt,
ffm.mem,
ffm.frame;
Var
seed: Single = 1.0;
// Create test video frame
procedure CreateFrame(const buffer: PByte; const w, h, bytespan: Integer);
Var
wxh: Integer;
i, j: Integer;
line: PByte;
begin
wxh := w * h;
for i := 0 to h - 1 do
begin
line := @buffer[i * bytespan];
for j := 0 to w - 1 do
begin
// RGB
line[0] := Trunc(255 * sin((i / wxh * seed) * 3.14));
line[1] := Trunc(255 * cos((j / wxh * seed) * 3.14));
line[2] := Trunc(255 * sin(((i + j) / wxh * seed) * 3.14));
line := line + 3;
end;
end;
seed := seed + 2.2;
end;
Var
shift: Single = 0.0;
seconds: Single = 0.0;
minNu: Single = 3.14 / (44100.0) * 700.0;
maxNu: Single = 3.14 / (44100.0) * 1500.0;
speedNu: Single = 3.14 / (44100.0) * 10.0;
varNu: Single = 3.14 / (44100.0) * 700.0;
// Create sample
procedure CreateSample(const buffer: PByte; const sampleCount: Integer);
Var
shift, seconds, minNu, maxNu, speedNu, varNu: Single;
i: Integer;
begin
if (varNu > maxNu) then
varNu := minNu;
varNu := varNu + speedNu;
for i := 0 to sampleCount - 1 do
begin
seconds := seconds + 1.0 / 44100.0;
buffer[i] := Trunc(sin(i * varNu + shift) * $4FFF);
end;
shift := shift + varNu * sampleCount;
end;
const
W_VIDEO = 640;
H_VIDEO = 480;
FILE_NAME = 'c:\temp\1.avi';
FRAME_COUNT = 150;
CONTAINER = 'auto';
Var
encoder: TFFMVideoEncoder;
w, h: Integer;
frame: pAVFrame;
nSampleSize: Integer;
sample: PByte;
bufferImgSize: Integer;
buffer: PByte;
i: Integer;
begin
try
encoder := TFFMVideoEncoder.Create;
if encoder.InitFile(FILE_NAME, CONTAINER, W_VIDEO, H_VIDEO) then
begin
w := W_VIDEO;
h := H_VIDEO;
frame := av_frame_alloc();//avcodec_alloc_frame();
nSampleSize := 2 * 44100 div 25; // 1 / 25 sec * FORMAT SIZE(S16)
sample := AllocMem(nSampleSize);
// Create frame
bufferImgSize := avpicture_get_size(AV_PIX_FMT_BGR24, w, h);
buffer := av_mallocz(bufferImgSize);
avpicture_fill(pAVPicture(frame), buffer, AV_PIX_FMT_BGR24, w, h);
for i := 0 to FRAME_COUNT - 1 do
begin
CreateFrame(frame^.data[0], w, h, frame^.linesize[0]);
CreateSample(sample, nSampleSize div 2);
if not encoder.AddFrame(frame, sample, nSampleSize) then
Writeln('Cannot write frame');
end;
encoder.Finish();
av_free(frame^.data[0]);
av_free(frame);
FreeMem(sample);
sample := nil;
end
else
Writeln('Cannot open file ' + FILE_NAME);
except
on E: Exception do
Writeln(E.ClassName, ': ', E.Message);
end;
end.

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@ -1,578 +0,0 @@
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<ProjectGuid>{8A61BB0C-02D9-43F4-9C83-FBB6205E7FA1}</ProjectGuid>
<ProjectVersion>18.2</ProjectVersion>
<FrameworkType>None</FrameworkType>
<MainSource>ffmVideoEncoder.dpr</MainSource>
<Base>True</Base>
<Config Condition="'$(Config)'==''">Debug</Config>
<Platform Condition="'$(Platform)'==''">Win32</Platform>
<TargetedPlatforms>1</TargetedPlatforms>
<AppType>Console</AppType>
</PropertyGroup>
<PropertyGroup Condition="'$(Config)'=='Base' or '$(Base)'!=''">
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='Android' and '$(Base)'=='true') or '$(Base_Android)'!=''">
<Base_Android>true</Base_Android>
<CfgParent>Base</CfgParent>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='iOSDevice32' and '$(Base)'=='true') or '$(Base_iOSDevice32)'!=''">
<Base_iOSDevice32>true</Base_iOSDevice32>
<CfgParent>Base</CfgParent>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='iOSDevice64' and '$(Base)'=='true') or '$(Base_iOSDevice64)'!=''">
<Base_iOSDevice64>true</Base_iOSDevice64>
<CfgParent>Base</CfgParent>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='iOSSimulator' and '$(Base)'=='true') or '$(Base_iOSSimulator)'!=''">
<Base_iOSSimulator>true</Base_iOSSimulator>
<CfgParent>Base</CfgParent>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='OSX32' and '$(Base)'=='true') or '$(Base_OSX32)'!=''">
<Base_OSX32>true</Base_OSX32>
<CfgParent>Base</CfgParent>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='Win32' and '$(Base)'=='true') or '$(Base_Win32)'!=''">
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<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='Win64' and '$(Base)'=='true') or '$(Base_Win64)'!=''">
<Base_Win64>true</Base_Win64>
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<Base>true</Base>
</PropertyGroup>
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<Base>true</Base>
</PropertyGroup>
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<CfgParent>Cfg_1</CfgParent>
<Cfg_1>true</Cfg_1>
<Base>true</Base>
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<PropertyGroup Condition="'$(Config)'=='Release' or '$(Cfg_2)'!=''">
<Cfg_2>true</Cfg_2>
<CfgParent>Base</CfgParent>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="'$(Base)'!=''">
<Manifest_File>None</Manifest_File>
<VerInfo_Keys>CompanyName=;FileDescription=;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductName=;ProductVersion=1.0.0.0;Comments=</VerInfo_Keys>
<VerInfo_Locale>1049</VerInfo_Locale>
<DCC_Namespace>System;Xml;Data;Datasnap;Web;Soap;$(DCC_Namespace)</DCC_Namespace>
<SanitizedProjectName>ffmVideoEncoder</SanitizedProjectName>
<DCC_DcuOutput>.\$(Platform)\$(Config)</DCC_DcuOutput>
<DCC_ExeOutput>..\..\..\bin\$(Platform)</DCC_ExeOutput>
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<DCC_N>false</DCC_N>
<DCC_S>false</DCC_S>
<DCC_F>false</DCC_F>
<DCC_K>false</DCC_K>
<Icon_MainIcon>$(BDS)\bin\delphi_PROJECTICON.ico</Icon_MainIcon>
<Icns_MainIcns>$(BDS)\bin\delphi_PROJECTICNS.icns</Icns_MainIcns>
</PropertyGroup>
<PropertyGroup Condition="'$(Base_Android)'!=''">
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<Android_LauncherIcon48>$(BDS)\bin\Artwork\Android\FM_LauncherIcon_48x48.png</Android_LauncherIcon48>
<Android_LauncherIcon96>$(BDS)\bin\Artwork\Android\FM_LauncherIcon_96x96.png</Android_LauncherIcon96>
<Android_LauncherIcon72>$(BDS)\bin\Artwork\Android\FM_LauncherIcon_72x72.png</Android_LauncherIcon72>
<DCC_UsePackage>DBXInterBaseDriver;DataSnapCommon;DbxCommonDriver;dbxcds;CustomIPTransport;dsnap;IndyIPServer;IndyCore;CloudService;FmxTeeUI;FireDACIBDriver;dsnapxml;OpenCV200;bindcompfmx;RESTBackendComponents;dbrtl;FireDACCommon;bindcomp;xmlrtl;ibxpress;FireDACCommonDriver;bindengine;soaprtl;FMXTee;inet;soapmidas;dxPSDBTeeChartRS19;RESTComponents;dbexpress;IndyIPClient;FireDACSqliteDriver;autoupgrXE5;FireDACDSDriver;DBXSqliteDriver;fmx;IndySystem;tethering;DataSnapClient;DataSnapProviderClient;fmxFireDAC;IndyIPCommon;DataSnapFireDAC;FireDACDBXDriver;soapserver;dxPSTeeChartRS19;rtl;DbxClientDriver;DataSnapNativeClient;IndyProtocols;bindcompdbx;FireDAC;$(DCC_UsePackage)</DCC_UsePackage>
<Android_LauncherIcon144>$(BDS)\bin\Artwork\Android\FM_LauncherIcon_144x144.png</Android_LauncherIcon144>
<Android_LauncherIcon36>$(BDS)\bin\Artwork\Android\FM_LauncherIcon_36x36.png</Android_LauncherIcon36>
<Android_SplashImage426>$(BDS)\bin\Artwork\Android\FM_SplashImage_426x320.png</Android_SplashImage426>
<Android_SplashImage470>$(BDS)\bin\Artwork\Android\FM_SplashImage_470x320.png</Android_SplashImage470>
<Android_SplashImage640>$(BDS)\bin\Artwork\Android\FM_SplashImage_640x480.png</Android_SplashImage640>
<Android_SplashImage960>$(BDS)\bin\Artwork\Android\FM_SplashImage_960x720.png</Android_SplashImage960>
</PropertyGroup>
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<VerInfo_UIDeviceFamily>iPhoneAndiPad</VerInfo_UIDeviceFamily>
<CfgParent>Base</CfgParent>
<Base_iOSDevice>true</Base_iOSDevice>
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<Base>true</Base>
<BT_BuildType>Debug</BT_BuildType>
<VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
</PropertyGroup>
<PropertyGroup Condition="'$(Base_iOSDevice64)'!=''">
<VerInfo_UIDeviceFamily>iPhoneAndiPad</VerInfo_UIDeviceFamily>
<CfgParent>Base</CfgParent>
<Base_iOSDevice>true</Base_iOSDevice>
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<Base>true</Base>
<BT_BuildType>Debug</BT_BuildType>
<VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
</PropertyGroup>
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<DCC_UsePackage>DBXInterBaseDriver;DataSnapCommon;DbxCommonDriver;dbxcds;CustomIPTransport;dsnap;IndyIPServer;IndyCore;CloudService;FmxTeeUI;FireDACIBDriver;dsnapxml;OpenCV200;bindcompfmx;RESTBackendComponents;dbrtl;FireDACCommon;bindcomp;xmlrtl;ibxpress;FireDACCommonDriver;bindengine;soaprtl;FMXTee;inet;soapmidas;RESTComponents;dbexpress;IndyIPClient;FireDACSqliteDriver;FireDACDSDriver;DBXSqliteDriver;fmx;IndySystem;tethering;DataSnapClient;DataSnapProviderClient;fmxFireDAC;fmxase;IndyIPCommon;DataSnapFireDAC;FireDACDBXDriver;soapserver;rtl;DbxClientDriver;DataSnapNativeClient;IndyProtocols;bindcompdbx;FireDAC;$(DCC_UsePackage)</DCC_UsePackage>
</PropertyGroup>
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<DCC_ConsoleTarget>true</DCC_ConsoleTarget>
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</PropertyGroup>
<PropertyGroup Condition="'$(Base_Win32)'!=''">
<DCC_Namespace>Winapi;System.Win;Data.Win;Datasnap.Win;Web.Win;Soap.Win;Xml.Win;Bde;$(DCC_Namespace)</DCC_Namespace>
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View File

@ -1,707 +0,0 @@
(*
* Copyright (c) 2001 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*)
(* *
* @file
* libavcodec API use example.
*
* @example decoding_encoding.c
* Note that libavcodec only handles codecs (mpeg, mpeg4, etc...),
* not file formats (avi, vob, mp4, mov, mkv, mxf, flv, mpegts, mpegps, etc...). See library 'libavformat' for the
* format handling
*)
program decoding_encoding;
{$APPTYPE CONSOLE}
{$POINTERMATH ON}
{$R *.res}
uses
System.SysUtils,
System.Math,
ffm.libavcodec.avcodec,
ffm.pixfmt,
ffm.avformat,
ffm.samplefmt,
ffm.swscale,
ffm.avio,
ffm.frame,
ffm.channel_layout,
ffm.ctypes,
ffm.mem,
ffm.mathematics,
ffm.avutil,
ffm.opt,
ffm.imgutils,
ffm.log;
Const
INBUF_SIZE = 4096;
AUDIO_INBUF_SIZE = 20480;
AUDIO_REFILL_THRESH = 4096;
(* check that a given sample format is supported by the encoder *)
function check_sample_fmt(const codec: pAVCodec; const sample_fmt: TAVSampleFormat): Boolean;
Var
p: pAVSampleFormat;
begin
p := codec^.sample_fmts;
while (p^ <> AV_SAMPLE_FMT_NONE) do
begin
if (p^ = sample_fmt) then
Exit(True);
inc(p);
end;
Result := False;
end;
(* just pick the highest supported samplerate *)
function select_sample_rate(const codec: pAVCodec): Integer;
Var
p: pInteger;
best_samplerate: Integer;
begin
best_samplerate := 0;
if not Assigned(codec^.supported_samplerates) then
Exit(44100);
p := codec^.supported_samplerates;
while (p^ <> 0) do
begin
best_samplerate := MAX(p^, best_samplerate);
inc(p);
end;
Result := best_samplerate;
end;
(* select layout with the highest channel count *)
function select_channel_layout(codec: pAVCodec): Integer;
Var
p: PUInt64_t;
best_ch_layout: UInt64;
best_nb_channels: Integer;
nb_channels: Integer;
begin
best_ch_layout := 0;
best_nb_channels := 0;
if not Assigned(codec^.channel_layouts) then
Exit(AV_CH_LAYOUT_STEREO);
p := codec^.channel_layouts;
while (p^ <> 0) do
begin
nb_channels := av_get_channel_layout_nb_channels(p^);
if (nb_channels > best_nb_channels) then
begin
best_ch_layout := p^;
best_nb_channels := nb_channels;
end;
inc(p);
end;
Result := best_ch_layout;
end;
(*
* Audio encoding example
*)
procedure audio_encode_example(const filename: String);
Var
codec: pAVCodec;
c: pAVCodecContext;
frame: pAVFrame;
pkt: TAVPacket;
i, j, k, ret, got_output: Integer;
buffer_size: Integer;
f: File;
samples: ^Int16;
t, tincr: Single;
begin
c := nil;
WriteLn('Encode audio file ', filename);
(* find the MP2 encoder *)
codec := avcodec_find_encoder(AV_CODEC_ID_MP2);
if not Assigned(codec) then
begin
WriteLn('Codec not found');
Exit;
end;
c := avcodec_alloc_context3(codec);
if not Assigned(c) then
begin
WriteLn('Could not allocate audio codec context\n');
Exit;
end;
(* put sample parameters *)
c^.bit_rate := 64000;
(* check that the encoder supports s16 pcm input *)
c^.sample_fmt := AV_SAMPLE_FMT_S16;
if not check_sample_fmt(codec, c^.sample_fmt) then
begin
WriteLn('Encoder does not support sample format ', av_get_sample_fmt_name(c^.sample_fmt));
Exit;
end;
(* select other audio parameters supported by the encoder *)
c^.sample_rate := select_sample_rate(codec);
c^.channel_layout := select_channel_layout(codec);
c^.channels := av_get_channel_layout_nb_channels(c^.channel_layout);
(* open it *)
if (avcodec_open2(c, codec, nil) < 0) then
begin
WriteLn('Could not open codec');
Exit;
end;
AssignFile(f, filename);
try
Rewrite(f, 1);
except
WriteLn('Could not open', filename);
Exit;
end;
(* frame containing input raw audio *)
frame := av_frame_alloc();
if not Assigned(frame) then
begin
WriteLn('Could not allocate audio frame');
Exit;
end;
frame^.nb_samples := c^.frame_size;
frame^.format := Integer(c^.sample_fmt);
frame^.channel_layout := c^.channel_layout;
(* the codec gives us the frame size, in samples,
* we calculate the size of the samples buffer in bytes *)
buffer_size := av_samples_get_buffer_size(nil, c^.channels, c^.frame_size, c^.sample_fmt, 0);
if (buffer_size < 0) then
begin
WriteLn('Could not get sample buffer size');
Exit;
end;
samples := av_malloc(buffer_size);
if not Assigned(samples) then
begin
WriteLn('Could not allocate %d bytes for samples buffer\n', buffer_size);
Exit;
end;
(* setup the data pointers in the AVFrame *)
ret := avcodec_fill_audio_frame(frame, c^.channels, c^.sample_fmt, pByte(samples), buffer_size, 0);
if (ret < 0) then
begin
WriteLn('Could not setup audio frame');
Exit;
end;
(* encode a single tone sound *)
t := 0;
tincr := 2 * M_PI * 440.0 / c^.sample_rate;
for i := 0 to 199 do
begin
av_init_packet(@pkt);
pkt.data := nil; // packet data will be allocated by the encoder
pkt.size := 0;
for j := 0 to c^.frame_size - 1 do
begin
samples[2 * j] := Trunc((sin(t) * 10000));
for k := 1 to c^.channels - 1 do
samples[2 * j + k] := samples[2 * j];
t := t + tincr;
end;
(* encode the samples *)
ret := avcodec_encode_audio2(c, @pkt, frame, got_output);
if (ret < 0) then
begin
WriteLn('Error encoding audio frame');
Exit;
end;
if (got_output <> 0) then
begin
BlockWrite(f, pkt.data^, pkt.size);
av_free_packet(pkt);
end;
end;
(* get the delayed frames *)
got_output := 1;
while got_output <> 0 do
// ; i++)
begin
ret := avcodec_encode_audio2(c, @pkt, nil, got_output);
if (ret < 0) then
begin
WriteLn('Error encoding frame');
Exit;
end;
if (got_output <> 0) then
begin
BlockWrite(f, pkt.data^, pkt.size);
av_free_packet(pkt);
end;
inc(i);
end;
Close(f);
av_freep(samples);
av_frame_free(frame);
avcodec_close(c);
av_free(c);
end;
(*
* Audio decoding.
*)
procedure audio_decode_example(const outfilename: String; const filename: String);
Var
codec: pAVCodec;
c: pAVCodecContext;
len: Integer;
f, outfile: File;
inbuf: array [0 .. AUDIO_INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE - 1] of byte;
avpkt: TAVPacket;
decoded_frame: pAVFrame;
got_frame: Integer;
data_size: Integer;
begin
c := nil;
decoded_frame := nil;
av_init_packet(@avpkt);
WriteLn('Decode audio file %s to ', filename, outfilename);
(* find the mpeg audio decoder *)
codec := avcodec_find_decoder(AV_CODEC_ID_MP2);
if not Assigned(codec) then
begin
WriteLn('Codec not found');
Exit;
end;
c := avcodec_alloc_context3(codec);
if not Assigned(c) then
begin
WriteLn('Could not allocate audio codec context');
Exit;
end;
(* open it *)
if (avcodec_open2(c, codec, nil) < 0) then
begin
WriteLn('Could not open codec');
Exit;
end;
AssignFile(f, filename);
try
Reset(f, 1);
except
WriteLn('Could not open ', filename);
Exit;
end;
AssignFile(outfile, outfilename);
try
Rewrite(outfile, 1);
except
av_free(c);
Exit;
end;
(* decode until eof *)
avpkt.data := @inbuf;
BlockRead(f, inbuf, AUDIO_INBUF_SIZE, avpkt.size);
while (avpkt.size > 0) do
begin
got_frame := 0;
if not Assigned(decoded_frame) then
begin
decoded_frame := av_frame_alloc();
if not Assigned(decoded_frame) then
begin
WriteLn('Could not allocate audio frame');
Exit;
end;
end;
len := avcodec_decode_audio4(c, decoded_frame, got_frame, @avpkt);
if (len < 0) then
begin
WriteLn('Error while decoding');
Exit;
end;
if (got_frame <> 0) then
begin
(* if a frame has been decoded, output it *)
data_size := av_samples_get_buffer_size(nil, c^.channels, decoded_frame^.nb_samples, c^.sample_fmt, 1);
if (data_size < 0) then
begin
(* This should not occur, checking just for paranoia *)
WriteLn('Failed to calculate data size');
Exit;
end;
BlockWrite(outfile, decoded_frame^.data[0]^, data_size);
end;
avpkt.size := avpkt.size - len;
avpkt.data := avpkt.data + len;
avpkt.dts := AV_NOPTS_VALUE;
avpkt.pts := AV_NOPTS_VALUE;
if (avpkt.size < AUDIO_REFILL_THRESH) then
begin
(* Refill the input buffer, to avoid trying to decode
* incomplete frames. Instead of this, one could also use
* a parser, or use a proper container format through
* libavformat. *)
Move(avpkt.data^, inbuf, avpkt.size);
avpkt.data := @inbuf;
BlockRead(f, avpkt.data[avpkt.size], AUDIO_INBUF_SIZE - avpkt.size, len);
if (len > 0) then
avpkt.size := avpkt.size + len;
end;
end;
Close(outfile);
Close(f);
avcodec_close(c);
av_free(c);
av_frame_free(decoded_frame);
end;
(*
* Video encoding example
*)
procedure video_encode_example(const filename: String; codec_id: TAVCodecID);
Var
codec: pAVCodec;
c: pAVCodecContext;
i, ret, x, y, got_output: Integer;
f: File;
frame: pAVFrame;
pkt: TAVPacket;
endcode: array [0 .. 3] of byte;
begin
c := nil;
endcode[0] := 0;
endcode[1] := 0;
endcode[2] := 1;
endcode[3] := $B7;
WriteLn('Encode video file ', filename);
(* find the mpeg1 video encoder *)
codec := avcodec_find_encoder(codec_id);
if not Assigned(codec) then
begin
WriteLn('Codec not found');
Exit;
end;
c := avcodec_alloc_context3(codec);
if not Assigned(c) then
begin
WriteLn('Could not allocate video codec context');
Exit;
end;
(* put sample parameters *)
c^.bit_rate := 400000;
(* resolution must be a multiple of two *)
c^.width := 352;
c^.height := 288;
(* frames per second *)
c^.time_base.num := 1;
c^.time_base.den := 25;
(* emit one intra frame every ten frames
* check frame pict_type before passing frame
* to encoder, if frame^.pict_type is AV_PICTURE_TYPE_I
* then gop_size is ignored and the output of encoder
* will always be I frame irrespective to gop_size
*)
c^.gop_size := 10;
c^.max_b_frames := 1;
c^.pix_fmt := AV_PIX_FMT_YUV420P;
if (codec_id = AV_CODEC_ID_H264) then
av_opt_set(c^.priv_data, 'preset', 'slow', 0);
(* open it *)
if (avcodec_open2(c, codec, nil) < 0) then
begin
WriteLn('Could not open codec');
Exit;
end;
AssignFile(f, filename);
try
Rewrite(f, 1);
except
WriteLn('Could not open ', filename);
Exit;
end;
frame := av_frame_alloc();
if not Assigned(frame) then
begin
WriteLn('Could not allocate video frame');
Exit;
end;
frame^.format := Integer(c^.pix_fmt);
frame^.width := c^.width;
frame^.height := c^.height;
(* the image can be allocated by any means and av_image_alloc() is
* just the most convenient way if av_malloc() is to be used *)
ret := av_image_alloc(frame^.data, frame^.linesize, c^.width, c^.height, c^.pix_fmt, 32);
if (ret < 0) then
begin
WriteLn('Could not allocate raw picture buffer');
Exit;
end;
// got_output:=0;
(* encode 1 second of video *)
for i := 0 to 24 do
begin
av_init_packet(@pkt);
pkt.data := nil; // packet data will be allocated by the encoder
pkt.size := 0;
(* prepare a dummy image *)
(* Y *)
for y := 0 to c^.height - 1 do
for x := 0 to c^.width - 1 do
frame^.data[0][y * frame^.linesize[0] + x] := x + y + i * 3;
(* Cb and Cr *)
for y := 0 to (c^.height div 2) - 1 do
for x := 0 to (c^.width div 2) - 1 do
begin
frame^.data[1][y * frame^.linesize[1] + x] := 128 + y + i * 2;
frame^.data[2][y * frame^.linesize[2] + x] := 64 + x + i * 5;
end;
frame^.pts := i;
(* encode the image *)
ret := avcodec_encode_video2(c, @pkt, frame, got_output);
if (ret < 0) then
begin
WriteLn('Error encoding frame');
Exit;
end;
if (got_output <> 0) then
begin
WriteLn(format('Write frame %3d (size=%5d)', [i, pkt.size]));
BlockWrite(f, pkt.data^, pkt.size);
av_free_packet(pkt);
end;
end;
(* get the delayed frames *)
got_output := 1;
While got_output <> 0 do
begin
ret := avcodec_encode_video2(c, @pkt, nil, got_output);
if (ret < 0) then
begin
WriteLn('Error encoding frame');
Exit;
end;
if (got_output <> 0) then
begin
WriteLn(format('Write frame %3d (size=%5d)', [i, pkt.size]));
BlockWrite(f, pkt.data^, pkt.size);
av_free_packet(pkt);
end;
inc(i);
end;
(* add sequence end code to have a real mpeg file *)
BlockWrite(f, endcode, sizeof(endcode));
Close(f);
// avcodec_close(c);
av_free(c);
// av_freep(frame^.data[0]);
av_frame_free(frame);
end;
(*
* Video decoding example
*)
procedure pgm_save(buf: pByte; wrap, xsize, ysize: Integer; filename: String);
Var
f: TextFile;
fb: File;
i: Integer;
begin
AssignFile(f, filename);
Rewrite(f);
WriteLn(f, format('P5' + #13#10 + '%d %d' + #13#10 + '%d', [xsize, ysize, 255]));
Close(f);
AssignFile(fb, filename);
Reset(fb, 1);
Seek(fb, FileSize(fb));
for i := 0 to ysize - 1 do
BlockWrite(fb, buf[i * wrap], xsize);
Close(fb);
end;
function decode_write_frame(const outfilename: String; avctx: pAVCodecContext; frame: pAVFrame;
Var frame_count: Integer; pkt: pAVPacket; last: Integer): Integer;
Var
len, got_frame: Integer;
buf: array [0 .. 1023] of AnsiChar;
begin
len := avcodec_decode_video2(avctx, frame, got_frame, pkt);
if (len < 0) then
begin
WriteLn('Error while decoding frame ', frame_count);
Exit(len);
end;
if (got_frame <> 0) then
begin
if last <> 0 then
WriteLn(format('Saving last frame %3d', [frame_count]))
else
WriteLn(format('Saving frame %3d', [frame_count]));
(* the picture is allocated by the decoder, no need to free it *)
pgm_save(frame^.data[0], frame^.linesize[0], avctx^.width, avctx^.height, format(outfilename, [frame_count]));
inc(frame_count);
end;
if Assigned(pkt^.data) then
begin
pkt^.size := pkt^.size - len;
pkt^.data := pkt^.data + len;
end;
Result := 0;
end;
procedure video_decode_example(const outfilename: String; const filename: String);
Var
codec: pAVCodec;
c: pAVCodecContext;
frame_count: Integer;
f: File;
frame: pAVFrame;
inbuf: array [0 .. INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE - 1] of byte;
avpkt: TAVPacket;
begin
c := nil;
av_init_packet(@avpkt);
(* set end of buffer to 0 (this ensures that no overreading happens for damaged mpeg streams) *)
FillChar(inbuf[INBUF_SIZE], FF_INPUT_BUFFER_PADDING_SIZE, 0);
WriteLn(format('Decode video file %s to %s', [filename, outfilename]));
(* find the mpeg1 video decoder *)
codec := avcodec_find_decoder(AV_CODEC_ID_MPEG1VIDEO);
if not Assigned(codec) then
begin
WriteLn('Codec not found');
Exit;
end;
c := avcodec_alloc_context3(codec);
if not Assigned(c) then
begin
WriteLn('Could not allocate video codec context');
Exit;
end;
if (codec^.capabilities and CODEC_CAP_TRUNCATED) <> 0 then
c^.flags := c^.flags or CODEC_FLAG_TRUNCATED; (* we do not send complete frames *)
(* For some codecs, such as msmpeg4 and mpeg4, width and height
MUST be initialized there because this information is not
available in the bitstream. *)
(* open it *)
if (avcodec_open2(c, codec, nil) < 0) then
begin
WriteLn('Could not open codec');
Exit;
end;
AssignFile(f, filename);
try
Reset(f, 1);
except
WriteLn('Could not open ', filename);
Exit;
end;
frame := av_frame_alloc();
if not Assigned(frame) then
begin
WriteLn('Could not allocate video frame');
Exit;
end;
frame_count := 0;
While True do
begin
BlockRead(f, inbuf, INBUF_SIZE, avpkt.size);
if (avpkt.size = 0) then
break;
(* NOTE1: some codecs are stream based (mpegvideo, mpegaudio)
and this is the only method to use them because you cannot
know the compressed data size before analysing it.
BUT some other codecs (msmpeg4, mpeg4) are inherently frame
based, so you must call them with all the data for one
frame exactly. You must also initialize 'width' and
'height' before initializing them. *)
(* NOTE2: some codecs allow the raw parameters (frame size,
sample rate) to be changed at any frame. We handle this, so
you should also take care of it *)
(* here, we use a stream based decoder (mpeg1video), so we
feed decoder and see if it could decode a frame *)
avpkt.data := @inbuf;
while (avpkt.size > 0) do
if (decode_write_frame(outfilename, c, frame, frame_count, @avpkt, 0) < 0) then
Exit;
end;
(* some codecs, such as MPEG, transmit the I and P frame with a
latency of one frame. You must do the following to have a
chance to get the last frame of the video *)
avpkt.data := nil;
avpkt.size := 0;
decode_write_frame(outfilename, c, frame, frame_count, @avpkt, 1);
Close(f);
avcodec_close(c);
av_free(c);
av_frame_free(frame);
end;
procedure avlog(ptr: Pointer; level: Integer; fmt: PAnsiChar; vl: pva_list); cdecl;
Var
line: array [0 .. 1023] of AnsiChar;
print_prefix: Integer;
A:AnsiString;
begin
print_prefix := 1;
av_log_format_line(ptr, level, fmt, vl, @line, sizeof(line), print_prefix);
A:=Trim(AnsiString(line));
Writeln(A);
end;
Var
output_type: String;
begin
try
av_log_set_callback(avlog);
(* register all the codecs *)
avcodec_register_all();
if ParamCount = 0 then
begin
WriteLn('usage: ' + ExtractFileName(ParamStr(0)) + ' output_type' + #13#10 +
'API example program to decode/encode a media stream with libavcodec.' + #13#10 +
'This program generates a synthetic stream and encodes it to a file' + #13#10 +
'named test.h264, test.mp2 or test.mpg depending on output_type.' + #13#10 +
'The encoded stream is then decoded and written to a raw data output.' + #13#10 +
'output_type must be chosen between "h264", "mp2", "mpg"');
Halt;
end;
output_type := ParamStr(1);
if (SameText(output_type, 'h264')) then
video_encode_example('test.h264', AV_CODEC_ID_H264)
else if (SameText(output_type, 'mp2')) then
begin
audio_encode_example('test.mp2');
audio_decode_example('test.sw', 'test.mp2');
end
else if (SameText(output_type, 'mpg')) then
begin
video_encode_example('test.mpg', AV_CODEC_ID_MPEG1VIDEO);
video_decode_example('test%02d.pgm', 'test.mpg');
end
else
begin
WriteLn(format('Invalid output type "%s", choose between "h264", "mp2", or "mpg"', [output_type]));
Halt;
end;
except
on E: Exception do
WriteLn(E.ClassName, ': ', E.Message);
end;
end.

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@ -1,122 +0,0 @@
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</Project>

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@ -1,14 +0,0 @@
program ffm_SDL2_VCL_player;
uses
Vcl.Forms,
uMainForm in 'uMainForm.pas' {MainForm};
{$R *.res}
begin
Application.Initialize;
Application.MainFormOnTaskbar := True;
Application.CreateForm(TMainForm, MainForm);
Application.Run;
end.

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@ -1,138 +0,0 @@
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<VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
<VerInfo_Locale>1033</VerInfo_Locale>
<VerInfo_Keys>CompanyName=;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductVersion=1.0.0.0;Comments=;LastCompiledTime=31.07.2014 3:17:54;ProgramID=com.embarcadero.$(MSBuildProjectName);FileDescription=$(MSBuildProjectName);ProductName=$(MSBuildProjectName)</VerInfo_Keys>
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<DCC_Define>RELEASE;$(DCC_Define)</DCC_Define>
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<DCC_DebugInformation>0</DCC_DebugInformation>
</PropertyGroup>
<ItemGroup>
<DelphiCompile Include="$(MainSource)">
<MainSource>MainSource</MainSource>
</DelphiCompile>
<DCCReference Include="uMainForm.pas">
<Form>MainForm</Form>
<FormType>dfm</FormType>
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<Key>Base</Key>
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</Source>
<Excluded_Packages>
<Excluded_Packages Name="$(BDSBIN)\dcloffice2k200.bpl">Microsoft Office 2000 Sample Automation Server Wrapper Components</Excluded_Packages>
<Excluded_Packages Name="$(BDSBIN)\dclofficexp200.bpl">Microsoft Office XP Sample Automation Server Wrapper Components</Excluded_Packages>
</Excluded_Packages>
</Delphi.Personality>
<Deployment Version="2"/>
<Platforms>
<Platform value="Win32">True</Platform>
<Platform value="Win64">False</Platform>
</Platforms>
</BorlandProject>
<ProjectFileVersion>12</ProjectFileVersion>
</ProjectExtensions>
<Import Project="$(BDS)\Bin\CodeGear.Delphi.Targets" Condition="Exists('$(BDS)\Bin\CodeGear.Delphi.Targets')"/>
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<Import Project="$(MSBuildProjectName).deployproj" Condition="Exists('$(MSBuildProjectName).deployproj')"/>
</Project>

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@ -1,20 +0,0 @@
object MainForm: TMainForm
Left = 0
Top = 0
Caption = 'MainForm'
ClientHeight = 437
ClientWidth = 589
Color = clBtnFace
Font.Charset = DEFAULT_CHARSET
Font.Color = clWindowText
Font.Height = -11
Font.Name = 'Tahoma'
Font.Style = []
OldCreateOrder = False
OnActivate = FormActivate
OnCreate = FormCreate
OnDestroy = FormDestroy
OnResize = FormResize
PixelsPerInch = 96
TextHeight = 13
end

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@ -1,175 +0,0 @@
unit uMainForm;
interface
uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.ExtCtrls;
Const
WM_PLAYVIDEO = WM_USER + 100;
type
TMainForm = class(TForm)
procedure FormCreate(Sender: TObject);
procedure FormActivate(Sender: TObject);
procedure FormResize(Sender: TObject);
procedure FormDestroy(Sender: TObject);
private
procedure WMPlayVideo(var Message: TMessage); message WM_PLAYVIDEO;
procedure Decode;
public
end;
var
MainForm: TMainForm;
implementation
{$R *.dfm}
Uses
SDL2,
ffm.avformat,
ffm.avutil,
ffm.frame,
ffm.swscale,
ffm.libavcodec.avcodec,
uResourcePaths;
const
std_filename = cResourceMedia + 'trailer.avi';
pixel_format = SDL_PIXELFORMAT_YV12;
Var
sdlWnd: PSDL_Window;
renderer: PSDL_Renderer;
MooseTexture: pSDL_Texture;
format_context: pAVFormatContext = nil;
video_stream: Integer;
codec_context: pAVCodecContext;
img_convert_context: pSwsContext;
codec: pAVCodec;
pFrame, frame: pAVFrame;
packet: TAVPacket;
frame_finished: Integer;
ImgBufferSize: Integer;
ImgBuffer: PByte;
pict: TAVPicture;
procedure TMainForm.FormActivate(Sender: TObject);
begin
PostMessage(Handle, WM_PLAYVIDEO, 0, 0);
end;
procedure TMainForm.FormCreate(Sender: TObject);
Var
err: Integer;
begin
if (SDL_Init(SDL_INIT_VIDEO or SDL_INIT_NOPARACHUTE) < 0) then
FatalAppExit(0, PChar('Couldn''t initialize SDL: ' + SDL_GetError()));
// SDL_InitSubSystem(SDL_INIT_VIDEO);
sdlWnd := SDL_CreateWindowFrom(Pointer(Handle));
renderer := SDL_CreateRenderer(sdlWnd, -1, SDL_RENDERER_ACCELERATED or SDL_RENDERER_PRESENTVSYNC);
if not Assigned(renderer) then
FatalAppExit(0, PChar('SDL_CreateRenderer Error: ' + SDL_GetError()));
// Register all available file formats and codecs
av_register_all();
avformat_network_init();
// Open video file
Assert(avformat_open_input(format_context, std_filename, nil, nil) >= 0);
// Retrieve stream information
Assert(avformat_find_stream_info(format_context, nil) >= 0);
// Dump information about file onto standard error
av_dump_format(format_context, 0, std_filename, 0);
// Find the first video stream
for video_stream := 0 to format_context^.nb_streams - 1 do
if (format_context^.streams[video_stream]^.codec^.codec_type = AVMEDIA_TYPE_VIDEO) then
break;
Assert(video_stream < format_context^.nb_streams);
codec_context := format_context^.streams[video_stream]^.codec;
codec := avcodec_find_decoder(codec_context^.codec_id);
Assert(avcodec_open2(codec_context, codec, nil) >= 0);
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255); // Set default colour to black.
Assert(SDL_RenderClear(renderer) >= 0);
MooseTexture := SDL_CreateTexture(renderer, pixel_format, Integer(SDL_TEXTUREACCESS_STREAMING), codec_context^.width,
codec_context^.height);
Assert(Assigned(MooseTexture));
img_convert_context := sws_getCachedContext(nil, codec_context^.width, codec_context^.height, codec_context^.pix_fmt,
codec_context^.width, codec_context^.height, codec_context^.pix_fmt, SWS_BICUBIC, nil, nil, nil);
Assert(Assigned(img_convert_context));
pFrame := av_frame_alloc();//avcodec_alloc_frame();
frame := av_frame_alloc();;//avcodec_alloc_frame();
ImgBufferSize := avpicture_get_size(codec_context^.pix_fmt, codec_context^.width, codec_context^.height);
ImgBuffer := AllocMem(ImgBufferSize);
avpicture_fill(pAVPicture(frame), ImgBuffer, codec_context^.pix_fmt, codec_context^.width, codec_context^.height);
end;
procedure TMainForm.FormDestroy(Sender: TObject);
begin
{ TODO: destroy ffmpeg objects }
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(sdlWnd);
SDL_Quit();
end;
procedure TMainForm.FormResize(Sender: TObject);
begin
SDL_RenderSetViewport(renderer, nil);
end;
procedure TMainForm.WMPlayVideo(var Message: TMessage);
begin
Decode;
end;
procedure TMainForm.Decode;
begin
frame_finished := 1;
repeat
if av_read_frame(format_context, packet) >= 0 then
begin
if (packet.stream_index = video_stream) then
begin
// Video stream packet
avcodec_decode_video2(codec_context, pFrame, frame_finished, @packet);
if (frame_finished <> 0) then
begin
pict.data[0] := frame^.data[0];
pict.data[1] := frame^.data[2];
pict.data[2] := frame^.data[1];
pict.linesize[0] := frame^.linesize[0];
pict.linesize[1] := frame^.linesize[2];
pict.linesize[2] := frame^.linesize[1];
sws_scale(img_convert_context, @pFrame^.data, @pFrame^.linesize, 0, codec_context^.height, @pict.data,
@pict.linesize);
SDL_UpdateTexture(MooseTexture, nil, ImgBuffer, codec_context^.width * SDL_BYTESPERPIXEL(pixel_format));
SDL_RenderClear(renderer);
SDL_RenderCopy(renderer, MooseTexture, nil, nil);
SDL_RenderPresent(renderer);
av_frame_unref(pFrame);
// avcodec_get_frame_defaults(pFrame);
end;
end;
av_free_packet(packet);
end;
Application.ProcessMessages;
until frame_finished <> 0;
PostMessage(Handle, WM_PLAYVIDEO, 0, 0);
end;
end.

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@ -1,196 +0,0 @@
program ffmpeg_sample_player;
{ .$APPTYPE CONSOLE }
{$R *.res}
{$i ffmpeg.inc}
uses
Winapi.Windows,
System.SysUtils,
System.Classes,
SDL,
ffm.lib,
ffm.ctypes,
ffm.avformat,
ffm.avio,
ffm.avutil,
ffm.buffer,
ffm.dict,
ffm.frame,
ffm.log,
ffm.opt,
ffm.pixfmt,
ffm.rational,
ffm.samplefmt,
ffm.parseutils,
ffm.swscale,
ffm.pixdesc,
ffm.imgutils,
ffm.mem,
ffm.error,
ffm.avfilter,
ffm.buffersink,
ffm.mathematics,
ffm.libavcodec.avcodec,
ffm.buffersrc,
ffm.errno,
uResourcePaths;
var
err: Integer;
filename: AnsiString;
format_context: pAVFormatContext = nil;
video_stream: Integer;
codec_context: pAVCodecContext;
codec: pAVCodec;
screen: pSDL_Surface;
bmp: pSDL_Overlay;
img_convert_context: pSwsContext;
frame: pAVFrame;
packet: TAVPacket;
frame_finished: Integer;
pict: TAVPicture;
rect: TSDL_Rect;
event: TSDL_Event;
const
std_filename = cResourceMedia + 'trailer.avi';
begin
try
if (ParamCount < 1) then
filename := std_filename
else
filename := ParamStr(1);
// Register all available file formats and codecs
av_register_all();
avformat_network_init();
// Init SDL with video support
err := SDL_Init(SDL_INIT_VIDEO);
if (err < 0) then
begin
WriteLn(Format('Unable to init SDL: %s', [SDL_GetError()]));
Halt(1);
end;
// Open video file
err := avformat_open_input(format_context, PAnsiChar(filename), nil, nil);
if (err < 0) then
begin
WriteLn('ffmpeg: Unable to open input file');
Halt(1);
end;
// Retrieve stream information
err := avformat_find_stream_info(format_context, nil);
if (err < 0) then
begin
WriteLn('ffmpeg: Unable to find stream info');
Halt(1);
end;
// Dump information about file onto standard error
av_dump_format(format_context, 0, PAnsiChar(filename), 0);
// Find the first video stream
for video_stream := 0 to format_context^.nb_streams - 1 do
if (format_context^.streams[video_stream]^.codec^.codec_type = AVMEDIA_TYPE_VIDEO) then
break;
if (video_stream = format_context^.nb_streams) then
begin
WriteLn('ffmpeg: Unable to find video stream');
Halt(1);
end;
codec_context := format_context^.streams[video_stream]^.codec;
codec := avcodec_find_decoder(codec_context^.codec_id);
err := avcodec_open2(codec_context, codec, nil);
if (err < 0) then
begin
WriteLn('ffmpeg: Unable to open codec');
Halt(1);
end;
screen := SDL_SetVideoMode(codec_context^.width, codec_context^.height, 0, 0 { SDL_FULLSCREEN } );
if (screen = nil) then
begin
WriteLn('Couldn''t set video mode');
Halt(1);
end;
bmp := SDL_CreateYUVOverlay(codec_context^.width, codec_context^.height, SDL_YV12_OVERLAY, screen);
img_convert_context := sws_getCachedContext(nil, codec_context^.width, codec_context^.height, codec_context^.pix_fmt, codec_context^.width, codec_context^.height, AV_PIX_FMT_YUV420P, SWS_BICUBIC,
nil, nil, nil);
if (img_convert_context = nil) then
begin
WriteLn('Cannot initialize the conversion context');
Halt(1);
end;
frame := av_frame_alloc();//avcodec_alloc_frame();
while (av_read_frame(format_context, packet) >= 0) do
begin
if (packet.stream_index = video_stream) then
begin
// Video stream packet
avcodec_decode_video2(codec_context, frame, frame_finished, @packet);
if (frame_finished <> 0) then
begin
SDL_LockYUVOverlay(bmp);
// Convert frame to YV12 pixel format for display in SDL overlay
pByte(pict.data[0]) := pByte(bmp^.pixels[0]);
pByte(pict.data[1]) := pByte(bmp^.pixels[2]); // it's because YV12
pByte(pict.data[2]) := pByte(bmp^.pixels[1]);
pict.linesize[0] := bmp^.pitches[0];
pict.linesize[1] := bmp^.pitches[2];
pict.linesize[2] := bmp^.pitches[1];
sws_scale(img_convert_context, @frame^.data, @frame^.linesize, 0, codec_context^.height, @pict.data, @pict.linesize);
SDL_UnlockYUVOverlay(bmp);
rect.x := 0;
rect.y := 0;
rect.w := codec_context^.width;
rect.h := codec_context^.height;
SDL_DisplayYUVOverlay(bmp, @rect);
end;
end;
// Free the packet that was allocated by av_read_frame
av_free_packet(packet);
// Handling SDL events there
if SDL_PollEvent(@event) <> 0 then
if (event.type_ = SDL_QUITEV) then
break;
end;
sws_freeContext(img_convert_context);
// Free the YUV frame
av_free(frame);
// Close the codec
avcodec_close(codec_context);
// Close the video file
avformat_close_input(&format_context);
avformat_network_deinit;
// Quit SDL
SDL_QUIT();
except
on E: Exception do
WriteLn(E.ClassName, ': ', E.Message);
end;
end.

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@ -1,254 +0,0 @@
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<DCC_Optimize>false</DCC_Optimize>
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<DCC_RemoteDebug>true</DCC_RemoteDebug>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_2_iOSDevice64)'!=''">
<DCC_RemoteDebug>true</DCC_RemoteDebug>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_2_iOSSimulator)'!=''">
<DCC_RemoteDebug>true</DCC_RemoteDebug>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_2_Win32)'!=''">
<VerInfo_Locale>1033</VerInfo_Locale>
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</PropertyGroup>
<ItemGroup>
<DelphiCompile Include="$(MainSource)">
<MainSource>MainSource</MainSource>
</DelphiCompile>
<BuildConfiguration Include="Debug">
<Key>Cfg_2</Key>
<CfgParent>Base</CfgParent>
</BuildConfiguration>
<BuildConfiguration Include="Base">
<Key>Base</Key>
</BuildConfiguration>
<BuildConfiguration Include="Release">
<Key>Cfg_1</Key>
<CfgParent>Base</CfgParent>
</BuildConfiguration>
</ItemGroup>
<ProjectExtensions>
<Borland.Personality>Delphi.Personality.12</Borland.Personality>
<Borland.ProjectType/>
<BorlandProject>
<Delphi.Personality>
<Source>
<Source Name="MainSource">ffmpeg_sample_player.dpr</Source>
</Source>
<Excluded_Packages>
<Excluded_Packages Name="$(BDSBIN)\dcloffice2k200.bpl">Microsoft Office 2000 Sample Automation Server Wrapper Components</Excluded_Packages>
<Excluded_Packages Name="$(BDSBIN)\dclofficexp200.bpl">Microsoft Office XP Sample Automation Server Wrapper Components</Excluded_Packages>
</Excluded_Packages>
</Delphi.Personality>
<Platforms>
<Platform value="Android">False</Platform>
<Platform value="iOSDevice32">False</Platform>
<Platform value="iOSDevice64">False</Platform>
<Platform value="iOSSimulator">False</Platform>
<Platform value="Linux64">False</Platform>
<Platform value="OSX32">False</Platform>
<Platform value="Win32">True</Platform>
<Platform value="Win64">False</Platform>
</Platforms>
</BorlandProject>
<ProjectFileVersion>12</ProjectFileVersion>
</ProjectExtensions>
<Import Project="$(BDS)\Bin\CodeGear.Delphi.Targets" Condition="Exists('$(BDS)\Bin\CodeGear.Delphi.Targets')"/>
<Import Project="$(APPDATA)\Embarcadero\$(BDSAPPDATABASEDIR)\$(PRODUCTVERSION)\UserTools.proj" Condition="Exists('$(APPDATA)\Embarcadero\$(BDSAPPDATABASEDIR)\$(PRODUCTVERSION)\UserTools.proj')"/>
</Project>

View File

@ -1,304 +0,0 @@
program filtering_video;
{$APPTYPE CONSOLE}
{$R *.res}
{$i ffmpeg.inc}
uses
Winapi.Windows,
System.SysUtils,
ffm.lib,
ffm.ctypes,
ffm.avformat,
ffm.avio,
ffm.avutil,
ffm.buffer,
ffm.dict,
ffm.frame,
ffm.log,
ffm.opt,
ffm.pixfmt,
ffm.rational,
ffm.samplefmt,
ffm.parseutils,
ffm.swscale,
ffm.pixdesc,
ffm.imgutils,
ffm.mem,
ffm.error,
ffm.avfilter,
ffm.buffersink,
ffm.mathematics,
ffm.libavcodec.avcodec,
ffm.buffersrc,
ffm.errno,
uResourcePaths;
const
_XOPEN_SOURCE = 600; (* for usleep *)
std_filename = cResourceMedia + 'trailer.avi';
Var
filter_descr: pAnsiChar = 'scale=78:24';
fmt_ctx: pAVFormatContext = nil;
dec_ctx: pAVCodecContext = nil;
buffersink_ctx: pAVFilterContext = nil;
buffersrc_ctx: pAVFilterContext = nil;
filter_graph: pAVFilterGraph = nil;
video_stream_index: Integer = -1;
last_pts: int64_t = AV_NOPTS_VALUE;
function open_input_file(const filename: pAnsiChar): Integer;
Var
ret: Integer;
dec: pAVCodec;
begin
ret := avformat_open_input(fmt_ctx, filename, nil, nil);
if (ret < 0) then
begin
// av_log(nil, AV_LOG_ERROR, 'Cannot open input file\n');
Exit(ret);
end;
ret := avformat_find_stream_info(fmt_ctx, nil);
if (ret < 0) then
begin
// av_log(nil, AV_LOG_ERROR, 'Cannot find stream information\n');
Exit(ret);
end;
(* select the video stream *)
ret := av_find_best_stream(fmt_ctx, AVMEDIA_TYPE_VIDEO, -1, -1, dec, 0);
if (ret < 0) then
begin
// av_log(nil, AV_LOG_ERROR, 'Cannot find a video stream in the input file\n');
Exit(ret);
end;
video_stream_index := ret;
dec_ctx := fmt_ctx^.streams[video_stream_index]^.codec;
(* init the video decoder *)
ret := avcodec_open2(dec_ctx, dec, nil);
if (ret < 0) then
begin
// av_log(nil, AV_LOG_ERROR, 'Cannot open video decoder\n');
Exit(ret);
end;
Result := 0;
end;
function init_filters(const filters_descr: pAnsiChar): Integer;
Var
args: AnsiString;
ret: Integer;
buffersrc: pAVFilter;
buffersink: pAVFilter;
outputs: pAVFilterInOut;
inputs: pAVFilterInOut;
pix_fmts: array [0 .. 1] of TAVPixelFormat;
buffersink_params: pAVBufferSinkParams;
begin
buffersrc := avfilter_get_by_name('buffer');
buffersink := avfilter_get_by_name('buffersink');
outputs := avfilter_inout_alloc();
inputs := avfilter_inout_alloc();
pix_fmts[0] := AV_PIX_FMT_GRAY8;
pix_fmts[1] := AV_PIX_FMT_NONE;
filter_graph := avfilter_graph_alloc();
(* buffer video source: the decoded frames from the decoder will be inserted here. *)
args := Format('video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:pixel_aspect=%d/%d', [ //
dec_ctx^.width, //
dec_ctx^.height, //
Integer(dec_ctx^.pix_fmt), //
dec_ctx^.time_base.num, //
dec_ctx^.time_base.den, //
dec_ctx^.sample_aspect_ratio.num, //
dec_ctx^.sample_aspect_ratio.den //
]);
ret := avfilter_graph_create_filter(buffersrc_ctx, buffersrc, 'in', pAnsiChar(args), nil, filter_graph);
if (ret < 0) then
begin
// av_log(nil, AV_LOG_ERROR, 'Cannot create buffer source\n');
Exit(ret);
end;
(* buffer video sink: to terminate the filter chain. *)
buffersink_params := av_buffersink_params_alloc();
buffersink_params^.pixel_fmts := @pix_fmts;
ret := avfilter_graph_create_filter(buffersink_ctx, buffersink, 'out', nil, buffersink_params, filter_graph);
av_free(buffersink_params);
if (ret < 0) then
begin
// av_log(nil, AV_LOG_ERROR, 'Cannot create buffer sink\n');
Exit(ret);
end;
(* Endpoints for the filter graph. *)
outputs^.name := av_strdup('in');
outputs^.filter_ctx := buffersrc_ctx;
outputs^.pad_idx := 0;
outputs^.next := nil;
inputs^.name := av_strdup('out');
inputs^.filter_ctx := buffersink_ctx;
inputs^.pad_idx := 0;
inputs^.next := nil;
ret := avfilter_graph_parse_ptr(filter_graph, filters_descr, inputs, outputs, nil);
if (ret < 0) then
Exit(ret);
ret := avfilter_graph_config(filter_graph, nil);
if (ret < 0) then
Exit(ret);
Result := 0;
end;
procedure display_frame(const vframe: pAVFrame; time_base: TAVRational);
Const
ds: array[0..4] of char = ' .-+#';
Var
x, y: Integer;
p0, p: pByte;
delay: int64;
hConsole:THandle;
coordScreen:TCOORD;
begin
if (vframe^.pts <> AV_NOPTS_VALUE) then
begin
if (last_pts <> AV_NOPTS_VALUE) then
begin
(* sleep roughly the right amount of time;
* usleep is in microseconds, just like AV_TIME_BASE. *)
delay := av_rescale_q(vframe^.pts - last_pts, time_base, AV_TIME_BASE_Q);
if (delay > 0) and (delay < 1000000) then
sleep(delay);
end;
last_pts := vframe^.pts;
end;
(* Trivial ASCII grayscale display. *)
p0 := vframe^.data[0];
// Write(#33);
hConsole := GetStdHandle(STD_OUTPUT_HANDLE);
FillChar(coordScreen,SizeOf(coordScreen),0);
SetConsoleCursorPosition(hConsole, coordScreen);
for y := 0 to vframe^.height - 1 do
begin
p := p0;
for x := 0 to vframe^.width - 1 do
begin
Write(ds[p^ div 52]);
Inc(p);
end;
Writeln;
p0 := p0 + vframe^.linesize[0];
end;
end;
Var
ret: Integer;
packet: TAVPacket;
vframe: pAVFrame = nil;
filt_frame: pAVFrame = nil;
got_frame: Integer;
filename: AnsiString;
buf: array [0 .. 1023] of ansichar;
begin
try
vframe := av_frame_alloc();
filt_frame := av_frame_alloc();
if (not Assigned(vframe)) or (not Assigned(filt_frame)) then
begin
Writeln('Could not allocate frame');
Halt(1);
end;
if (ParamCount < 1) then
filename := std_filename
else
filename := ParamStr(1);
avcodec_register_all();
av_register_all();
avfilter_register_all();
avformat_network_init;
try
ret := open_input_file(pAnsiChar(filename));
if (ret < 0) then
Halt(1);
ret := init_filters(pAnsiChar(filter_descr));
if (ret < 0) then
Halt(1);
(* read all packets *)
while True do
begin
ret := av_read_frame(fmt_ctx, packet);
if (ret < 0) then
break;
if (packet.stream_index = video_stream_index) then
begin
// avcodec_get_frame_defaults(vframe);
got_frame := 0;
ret := avcodec_decode_video2(dec_ctx, vframe, got_frame, @packet);
if (ret < 0) then
begin
// av_log(nil, AV_LOG_ERROR, 'Error decoding video');
break;
end;
if got_frame <> 0 then
begin
vframe^.pts := av_frame_get_best_effort_timestamp(vframe);
(* push the decoded frame into the filtergraph *)
if (av_buffersrc_add_frame_flags(buffersrc_ctx, vframe, AV_BUFFERSRC_FLAG_KEEP_REF) < 0) then
begin
// av_log(nil, AV_LOG_ERROR, 'Error while feeding the filtergraph\n');
break;
end;
(* pull filtered frames from the filtergraph *)
while True do
begin
ret := av_buffersink_get_frame(buffersink_ctx, filt_frame);
if (ret = AVERROR(EAGAIN)) or (ret = AVERROR_EOF) then
break;
if (ret < 0) then
Halt(1);
display_frame(filt_frame, buffersink_ctx^.inputs[0]^.time_base);
av_frame_unref(filt_frame);
end;
end;
end;
av_free_packet(packet);
end;
finally
avformat_network_deinit;
avfilter_graph_free(filter_graph);
if Assigned(dec_ctx) then
avcodec_close(dec_ctx);
avformat_close_input(fmt_ctx);
av_frame_free(vframe);
av_frame_free(filt_frame);
if (ret < 0) and (ret <> AVERROR_EOF) then
begin
av_strerror(ret, buf, sizeof(buf));
Writeln('Error occurred: ', buf);
// Halt(1);
end;
end;
except
on E: Exception do
Writeln(E.ClassName, ': ', E.Message);
end;
end.

View File

@ -1,244 +0,0 @@
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<ItemGroup>
<DelphiCompile Include="$(MainSource)">
<MainSource>MainSource</MainSource>
</DelphiCompile>
<BuildConfiguration Include="Debug">
<Key>Cfg_2</Key>
<CfgParent>Base</CfgParent>
</BuildConfiguration>
<BuildConfiguration Include="Base">
<Key>Base</Key>
</BuildConfiguration>
<BuildConfiguration Include="Release">
<Key>Cfg_1</Key>
<CfgParent>Base</CfgParent>
</BuildConfiguration>
</ItemGroup>
<ProjectExtensions>
<Borland.Personality>Delphi.Personality.12</Borland.Personality>
<Borland.ProjectType/>
<BorlandProject>
<Delphi.Personality>
<Source>
<Source Name="MainSource">filtering_video.dpr</Source>
</Source>
<Excluded_Packages>
<Excluded_Packages Name="$(BDSBIN)\dcloffice2k200.bpl">Microsoft Office 2000 Sample Automation Server Wrapper Components</Excluded_Packages>
<Excluded_Packages Name="$(BDSBIN)\dclofficexp200.bpl">Microsoft Office XP Sample Automation Server Wrapper Components</Excluded_Packages>
</Excluded_Packages>
</Delphi.Personality>
<Platforms>
<Platform value="Android">False</Platform>
<Platform value="iOSDevice32">False</Platform>
<Platform value="iOSDevice64">False</Platform>
<Platform value="iOSSimulator">False</Platform>
<Platform value="Linux64">False</Platform>
<Platform value="OSX32">False</Platform>
<Platform value="Win32">True</Platform>
<Platform value="Win64">False</Platform>
</Platforms>
</BorlandProject>
<ProjectFileVersion>12</ProjectFileVersion>
</ProjectExtensions>
<Import Project="$(BDS)\Bin\CodeGear.Delphi.Targets" Condition="Exists('$(BDS)\Bin\CodeGear.Delphi.Targets')"/>
<Import Project="$(APPDATA)\Embarcadero\$(BDSAPPDATABASEDIR)\$(PRODUCTVERSION)\UserTools.proj" Condition="Exists('$(APPDATA)\Embarcadero\$(BDSAPPDATABASEDIR)\$(PRODUCTVERSION)\UserTools.proj')"/>
</Project>

View File

@ -1,66 +0,0 @@
program metadata;
{$APPTYPE CONSOLE}
{$R *.res}
{$i ffmpeg.inc}
uses
System.SysUtils,
ffm.lib,
ffm.libavcodec.avcodec,
ffm.ctypes,
ffm.avformat,
ffm.avio,
ffm.avutil,
ffm.buffer,
ffm.dict,
ffm.frame,
ffm.log,
ffm.opt,
ffm.pixfmt,
ffm.rational,
ffm.samplefmt,
ffm.parseutils,
ffm.swscale,
ffm.pixdesc,
ffm.imgutils,
ffm.mem,
ffm.error,
uResourcePaths;
Var
fmt_ctx: pAVFormatContext = nil;
tag: pAVDictionaryEntry = Nil;
ret: Integer;
inp : AnsiString;
const
std_filename = cResourceMedia + 'trailer.avi';
begin
try
Writeln(Format('usage: %s <input_file>'#13#10 + 'example program to demonstrate the use of the libavformat metadata API.'#13#10,
[ExtractFileName(ParamStr(0))]));
if (ParamCount < 1) then
inp := std_filename
else
inp := ParamStr(1);
av_register_all();
ret := avformat_open_input(fmt_ctx, PAnsiChar(inp), nil, nil);
if ret < 0 then
Halt(ret);
tag := av_dict_get(fmt_ctx^.metadata, '', tag, AV_DICT_IGNORE_SUFFIX);
while Assigned(tag) do
begin
Writeln(Format('%s = %s'#13#10, [tag^.key, tag^.value]));
tag := av_dict_get(fmt_ctx^.metadata, '', tag, AV_DICT_IGNORE_SUFFIX);
end;
avformat_close_input(fmt_ctx);
except
on E: Exception do
Writeln(E.ClassName, ': ', E.Message);
end;
end.

View File

@ -1,244 +0,0 @@
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<ProjectGuid>{D042FDC4-2AC2-458D-A0D8-0DFA6C296945}</ProjectGuid>
<MainSource>metadata.dpr</MainSource>
<Base>True</Base>
<Config Condition="'$(Config)'==''">Release</Config>
<TargetedPlatforms>1</TargetedPlatforms>
<AppType>Console</AppType>
<FrameworkType>None</FrameworkType>
<ProjectVersion>18.2</ProjectVersion>
<Platform Condition="'$(Platform)'==''">Win32</Platform>
</PropertyGroup>
<PropertyGroup Condition="'$(Config)'=='Base' or '$(Base)'!=''">
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='Android' and '$(Base)'=='true') or '$(Base_Android)'!=''">
<Base_Android>true</Base_Android>
<CfgParent>Base</CfgParent>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='iOSDevice32' and '$(Base)'=='true') or '$(Base_iOSDevice32)'!=''">
<Base_iOSDevice32>true</Base_iOSDevice32>
<CfgParent>Base</CfgParent>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='iOSDevice64' and '$(Base)'=='true') or '$(Base_iOSDevice64)'!=''">
<Base_iOSDevice64>true</Base_iOSDevice64>
<CfgParent>Base</CfgParent>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='iOSSimulator' and '$(Base)'=='true') or '$(Base_iOSSimulator)'!=''">
<Base_iOSSimulator>true</Base_iOSSimulator>
<CfgParent>Base</CfgParent>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='Win32' and '$(Base)'=='true') or '$(Base_Win32)'!=''">
<Base_Win32>true</Base_Win32>
<CfgParent>Base</CfgParent>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="'$(Config)'=='Release' or '$(Cfg_1)'!=''">
<Cfg_1>true</Cfg_1>
<CfgParent>Base</CfgParent>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='Win32' and '$(Cfg_1)'=='true') or '$(Cfg_1_Win32)'!=''">
<Cfg_1_Win32>true</Cfg_1_Win32>
<CfgParent>Cfg_1</CfgParent>
<Cfg_1>true</Cfg_1>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="'$(Config)'=='Debug' or '$(Cfg_2)'!=''">
<Cfg_2>true</Cfg_2>
<CfgParent>Base</CfgParent>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='iOSDevice32' and '$(Cfg_2)'=='true') or '$(Cfg_2_iOSDevice32)'!=''">
<Cfg_2_iOSDevice32>true</Cfg_2_iOSDevice32>
<CfgParent>Cfg_2</CfgParent>
<Cfg_2>true</Cfg_2>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='iOSDevice64' and '$(Cfg_2)'=='true') or '$(Cfg_2_iOSDevice64)'!=''">
<Cfg_2_iOSDevice64>true</Cfg_2_iOSDevice64>
<CfgParent>Cfg_2</CfgParent>
<Cfg_2>true</Cfg_2>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='iOSSimulator' and '$(Cfg_2)'=='true') or '$(Cfg_2_iOSSimulator)'!=''">
<Cfg_2_iOSSimulator>true</Cfg_2_iOSSimulator>
<CfgParent>Cfg_2</CfgParent>
<Cfg_2>true</Cfg_2>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="'$(Base)'!=''">
<DCC_E>false</DCC_E>
<VerInfo_Locale>1049</VerInfo_Locale>
<DCC_Namespace>System;Xml;Data;Datasnap;Web;Soap;$(DCC_Namespace)</DCC_Namespace>
<DCC_N>false</DCC_N>
<DCC_ImageBase>00400000</DCC_ImageBase>
<DCC_K>false</DCC_K>
<DCC_S>false</DCC_S>
<DCC_F>false</DCC_F>
<VerInfo_Keys>CompanyName=;FileDescription=;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductName=;ProductVersion=1.0.0.0;Comments=;CFBundleName=</VerInfo_Keys>
<SanitizedProjectName>metadata</SanitizedProjectName>
<Icon_MainIcon>$(BDS)\bin\delphi_PROJECTICON.ico</Icon_MainIcon>
<Icns_MainIcns>$(BDS)\bin\delphi_PROJECTICNS.icns</Icns_MainIcns>
</PropertyGroup>
<PropertyGroup Condition="'$(Base_Android)'!=''">
<VerInfo_Keys>package=com.embarcadero.$(MSBuildProjectName);label=$(MSBuildProjectName);versionCode=1;versionName=1.0.0;persistent=False;restoreAnyVersion=False;installLocation=auto;largeHeap=False;theme=TitleBar;hardwareAccelerated=true;apiKey=</VerInfo_Keys>
<BT_BuildType>Debug</BT_BuildType>
<Android_LauncherIcon36>$(BDS)\bin\Artwork\Android\FM_LauncherIcon_36x36.png</Android_LauncherIcon36>
<Android_LauncherIcon48>$(BDS)\bin\Artwork\Android\FM_LauncherIcon_48x48.png</Android_LauncherIcon48>
<Android_LauncherIcon72>$(BDS)\bin\Artwork\Android\FM_LauncherIcon_72x72.png</Android_LauncherIcon72>
<Android_LauncherIcon96>$(BDS)\bin\Artwork\Android\FM_LauncherIcon_96x96.png</Android_LauncherIcon96>
<Android_LauncherIcon144>$(BDS)\bin\Artwork\Android\FM_LauncherIcon_144x144.png</Android_LauncherIcon144>
<Android_SplashImage426>$(BDS)\bin\Artwork\Android\FM_SplashImage_426x320.png</Android_SplashImage426>
<Android_SplashImage470>$(BDS)\bin\Artwork\Android\FM_SplashImage_470x320.png</Android_SplashImage470>
<Android_SplashImage640>$(BDS)\bin\Artwork\Android\FM_SplashImage_640x480.png</Android_SplashImage640>
<Android_SplashImage960>$(BDS)\bin\Artwork\Android\FM_SplashImage_960x720.png</Android_SplashImage960>
<AUP_ACCESS_COARSE_LOCATION>true</AUP_ACCESS_COARSE_LOCATION>
<AUP_ACCESS_FINE_LOCATION>true</AUP_ACCESS_FINE_LOCATION>
<AUP_CALL_PHONE>true</AUP_CALL_PHONE>
<AUP_CAMERA>true</AUP_CAMERA>
<AUP_INTERNET>true</AUP_INTERNET>
<AUP_READ_CALENDAR>true</AUP_READ_CALENDAR>
<AUP_READ_EXTERNAL_STORAGE>true</AUP_READ_EXTERNAL_STORAGE>
<AUP_WRITE_CALENDAR>true</AUP_WRITE_CALENDAR>
<AUP_WRITE_EXTERNAL_STORAGE>true</AUP_WRITE_EXTERNAL_STORAGE>
<AUP_READ_PHONE_STATE>true</AUP_READ_PHONE_STATE>
<EnabledSysJars>android-support-v4.dex.jar;cloud-messaging.dex.jar;fmx.dex.jar;google-analytics-v2.dex.jar;google-play-billing.dex.jar;google-play-licensing.dex.jar;google-play-services.dex.jar</EnabledSysJars>
</PropertyGroup>
<PropertyGroup Condition="'$(Base_iOSDevice32)'!=''">
<VerInfo_Keys>CFBundleName=$(MSBuildProjectName);CFBundleDevelopmentRegion=en;CFBundleDisplayName=$(MSBuildProjectName);CFBundleIdentifier=$(MSBuildProjectName);CFBundleInfoDictionaryVersion=7.1;CFBundleVersion=1.0.0.0;CFBundlePackageType=APPL;CFBundleSignature=????;LSRequiresIPhoneOS=true;CFBundleAllowMixedLocalizations=YES;CFBundleExecutable=$(MSBuildProjectName);UIDeviceFamily=iPhone &amp; iPad;CFBundleResourceSpecification=ResourceRules.plist;NSLocationAlwaysUsageDescription=The reason for accessing the location information of the user;NSLocationWhenInUseUsageDescription=The reason for accessing the location information of the user;FMLocalNotificationPermission=false;UIBackgroundModes=;NSContactsUsageDescription=The reason for accessing the contacts;NSPhotoLibraryUsageDescription=The reason for accessing the photo library;NSCameraUsageDescription=The reason for accessing the camera</VerInfo_Keys>
<VerInfo_UIDeviceFamily>iPhoneAndiPad</VerInfo_UIDeviceFamily>
<VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
<BT_BuildType>Debug</BT_BuildType>
<VerInfo_BundleId>$(MSBuildProjectName)</VerInfo_BundleId>
<iPhone_AppIcon60>$(BDS)\bin\Artwork\iOS\iPhone\FM_ApplicationIcon_60x60.png</iPhone_AppIcon60>
<iPhone_AppIcon120>$(BDS)\bin\Artwork\iOS\iPhone\FM_ApplicationIcon_120x120.png</iPhone_AppIcon120>
<iPhone_Spotlight40>$(BDS)\bin\Artwork\iOS\iPhone\FM_SpotlightSearchIcon_40x40.png</iPhone_Spotlight40>
<iPhone_Spotlight80>$(BDS)\bin\Artwork\iOS\iPhone\FM_SpotlightSearchIcon_80x80.png</iPhone_Spotlight80>
<iPad_SpotLight40>$(BDS)\bin\Artwork\iOS\iPad\FM_SpotlightSearchIcon_40x40.png</iPad_SpotLight40>
<iPad_SpotLight80>$(BDS)\bin\Artwork\iOS\iPad\FM_SpotlightSearchIcon_80x80.png</iPad_SpotLight80>
<iPad_AppIcon76>$(BDS)\bin\Artwork\iOS\iPad\FM_ApplicationIcon_76x76.png</iPad_AppIcon76>
<iPad_AppIcon152>$(BDS)\bin\Artwork\iOS\iPad\FM_ApplicationIcon_152x152.png</iPad_AppIcon152>
<iPad_Launch768x1024>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImagePortrait_768x1024.png</iPad_Launch768x1024>
<iPad_Launch1024x768>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImageLandscape_1024x768.png</iPad_Launch1024x768>
<iPad_Launch1536x2048>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImagePortrait_1536x2048.png</iPad_Launch1536x2048>
<iPad_Launch2048x1536>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImageLandscape_2048x1536.png</iPad_Launch2048x1536>
</PropertyGroup>
<PropertyGroup Condition="'$(Base_iOSDevice64)'!=''">
<VerInfo_Keys>CFBundleName=$(MSBuildProjectName);CFBundleDevelopmentRegion=en;CFBundleDisplayName=$(MSBuildProjectName);CFBundleIdentifier=$(MSBuildProjectName);CFBundleInfoDictionaryVersion=7.1;CFBundleVersion=1.0.0.0;CFBundlePackageType=APPL;CFBundleSignature=????;LSRequiresIPhoneOS=true;CFBundleAllowMixedLocalizations=YES;CFBundleExecutable=$(MSBuildProjectName);UIDeviceFamily=iPhone &amp; iPad;CFBundleResourceSpecification=ResourceRules.plist;NSLocationAlwaysUsageDescription=The reason for accessing the location information of the user;NSLocationWhenInUseUsageDescription=The reason for accessing the location information of the user;FMLocalNotificationPermission=false;UIBackgroundModes=;NSContactsUsageDescription=The reason for accessing the contacts;NSPhotoLibraryUsageDescription=The reason for accessing the photo library;NSCameraUsageDescription=The reason for accessing the camera</VerInfo_Keys>
<VerInfo_UIDeviceFamily>iPhoneAndiPad</VerInfo_UIDeviceFamily>
<VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
<BT_BuildType>Debug</BT_BuildType>
<VerInfo_BundleId>$(MSBuildProjectName)</VerInfo_BundleId>
<iPhone_AppIcon60>$(BDS)\bin\Artwork\iOS\iPhone\FM_ApplicationIcon_60x60.png</iPhone_AppIcon60>
<iPhone_AppIcon120>$(BDS)\bin\Artwork\iOS\iPhone\FM_ApplicationIcon_120x120.png</iPhone_AppIcon120>
<iPhone_Spotlight40>$(BDS)\bin\Artwork\iOS\iPhone\FM_SpotlightSearchIcon_40x40.png</iPhone_Spotlight40>
<iPhone_Spotlight80>$(BDS)\bin\Artwork\iOS\iPhone\FM_SpotlightSearchIcon_80x80.png</iPhone_Spotlight80>
<iPad_SpotLight40>$(BDS)\bin\Artwork\iOS\iPad\FM_SpotlightSearchIcon_40x40.png</iPad_SpotLight40>
<iPad_SpotLight80>$(BDS)\bin\Artwork\iOS\iPad\FM_SpotlightSearchIcon_80x80.png</iPad_SpotLight80>
<iPad_AppIcon76>$(BDS)\bin\Artwork\iOS\iPad\FM_ApplicationIcon_76x76.png</iPad_AppIcon76>
<iPad_AppIcon152>$(BDS)\bin\Artwork\iOS\iPad\FM_ApplicationIcon_152x152.png</iPad_AppIcon152>
<iPad_Launch768x1024>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImagePortrait_768x1024.png</iPad_Launch768x1024>
<iPad_Launch1024x768>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImageLandscape_1024x768.png</iPad_Launch1024x768>
<iPad_Launch1536x2048>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImagePortrait_1536x2048.png</iPad_Launch1536x2048>
<iPad_Launch2048x1536>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImageLandscape_2048x1536.png</iPad_Launch2048x1536>
</PropertyGroup>
<PropertyGroup Condition="'$(Base_iOSSimulator)'!=''">
<VerInfo_Keys>CFBundleName=$(MSBuildProjectName);CFBundleDevelopmentRegion=en;CFBundleDisplayName=$(MSBuildProjectName);CFBundleIdentifier=$(MSBuildProjectName);CFBundleInfoDictionaryVersion=7.1;CFBundleVersion=1.0.0.0;CFBundlePackageType=APPL;CFBundleSignature=????;LSRequiresIPhoneOS=true;CFBundleAllowMixedLocalizations=YES;CFBundleExecutable=$(MSBuildProjectName);UIDeviceFamily=iPhone &amp; iPad;CFBundleResourceSpecification=ResourceRules.plist;NSLocationAlwaysUsageDescription=The reason for accessing the location information of the user;NSLocationWhenInUseUsageDescription=The reason for accessing the location information of the user;FMLocalNotificationPermission=false;UIBackgroundModes=;NSContactsUsageDescription=The reason for accessing the contacts;NSPhotoLibraryUsageDescription=The reason for accessing the photo library;NSCameraUsageDescription=The reason for accessing the camera</VerInfo_Keys>
<VerInfo_UIDeviceFamily>iPhoneAndiPad</VerInfo_UIDeviceFamily>
<VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
<iPhone_AppIcon60>$(BDS)\bin\Artwork\iOS\iPhone\FM_ApplicationIcon_60x60.png</iPhone_AppIcon60>
<iPhone_AppIcon120>$(BDS)\bin\Artwork\iOS\iPhone\FM_ApplicationIcon_120x120.png</iPhone_AppIcon120>
<iPhone_Spotlight40>$(BDS)\bin\Artwork\iOS\iPhone\FM_SpotlightSearchIcon_40x40.png</iPhone_Spotlight40>
<iPhone_Spotlight80>$(BDS)\bin\Artwork\iOS\iPhone\FM_SpotlightSearchIcon_80x80.png</iPhone_Spotlight80>
<iPad_SpotLight40>$(BDS)\bin\Artwork\iOS\iPad\FM_SpotlightSearchIcon_40x40.png</iPad_SpotLight40>
<iPad_SpotLight80>$(BDS)\bin\Artwork\iOS\iPad\FM_SpotlightSearchIcon_80x80.png</iPad_SpotLight80>
<iPad_AppIcon76>$(BDS)\bin\Artwork\iOS\iPad\FM_ApplicationIcon_76x76.png</iPad_AppIcon76>
<iPad_AppIcon152>$(BDS)\bin\Artwork\iOS\iPad\FM_ApplicationIcon_152x152.png</iPad_AppIcon152>
<iPad_Launch768x1024>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImagePortrait_768x1024.png</iPad_Launch768x1024>
<iPad_Launch1024x768>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImageLandscape_1024x768.png</iPad_Launch1024x768>
<iPad_Launch1536x2048>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImagePortrait_1536x2048.png</iPad_Launch1536x2048>
<iPad_Launch2048x1536>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImageLandscape_2048x1536.png</iPad_Launch2048x1536>
</PropertyGroup>
<PropertyGroup Condition="'$(Base_Win32)'!=''">
<DCC_Namespace>Winapi;System.Win;Data.Win;Datasnap.Win;Web.Win;Soap.Win;Xml.Win;Bde;$(DCC_Namespace)</DCC_Namespace>
<VerInfo_Locale>1033</VerInfo_Locale>
<VerInfo_Keys>CompanyName=;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductVersion=1.0.0.0;Comments=;ProgramID=com.embarcadero.$(MSBuildProjectName);FileDescription=$(MSBuildProjectName);ProductName=$(MSBuildProjectName)</VerInfo_Keys>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_1)'!=''">
<DCC_Define>RELEASE;$(DCC_Define)</DCC_Define>
<DCC_DebugInformation>0</DCC_DebugInformation>
<DCC_LocalDebugSymbols>false</DCC_LocalDebugSymbols>
<DCC_SymbolReferenceInfo>0</DCC_SymbolReferenceInfo>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_1_Win32)'!=''">
<DCC_DcuOutput>.\$(Platform)\$(Config)</DCC_DcuOutput>
<Manifest_File>None</Manifest_File>
<DCC_ExeOutput>..\..\..\bin\$(Platform)</DCC_ExeOutput>
<VerInfo_Keys>CompanyName=;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductVersion=1.0.0.0;Comments=;ProgramID=com.embarcadero.$(MSBuildProjectName);FileDescription=$(MSBuildProjectName);ProductName=$(MSBuildProjectName)</VerInfo_Keys>
<VerInfo_Locale>1033</VerInfo_Locale>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_2)'!=''">
<DCC_GenerateStackFrames>true</DCC_GenerateStackFrames>
<DCC_Define>DEBUG;$(DCC_Define)</DCC_Define>
<DCC_Optimize>false</DCC_Optimize>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_2_iOSDevice32)'!=''">
<DCC_RemoteDebug>true</DCC_RemoteDebug>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_2_iOSDevice64)'!=''">
<DCC_RemoteDebug>true</DCC_RemoteDebug>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_2_iOSSimulator)'!=''">
<DCC_RemoteDebug>true</DCC_RemoteDebug>
</PropertyGroup>
<ItemGroup>
<DelphiCompile Include="$(MainSource)">
<MainSource>MainSource</MainSource>
</DelphiCompile>
<BuildConfiguration Include="Debug">
<Key>Cfg_2</Key>
<CfgParent>Base</CfgParent>
</BuildConfiguration>
<BuildConfiguration Include="Base">
<Key>Base</Key>
</BuildConfiguration>
<BuildConfiguration Include="Release">
<Key>Cfg_1</Key>
<CfgParent>Base</CfgParent>
</BuildConfiguration>
</ItemGroup>
<ProjectExtensions>
<Borland.Personality>Delphi.Personality.12</Borland.Personality>
<Borland.ProjectType/>
<BorlandProject>
<Delphi.Personality>
<Source>
<Source Name="MainSource">metadata.dpr</Source>
</Source>
<Excluded_Packages>
<Excluded_Packages Name="$(BDSBIN)\dcloffice2k200.bpl">Microsoft Office 2000 Sample Automation Server Wrapper Components</Excluded_Packages>
<Excluded_Packages Name="$(BDSBIN)\dclofficexp200.bpl">Microsoft Office XP Sample Automation Server Wrapper Components</Excluded_Packages>
</Excluded_Packages>
</Delphi.Personality>
<Platforms>
<Platform value="Android">False</Platform>
<Platform value="iOSDevice32">False</Platform>
<Platform value="iOSDevice64">False</Platform>
<Platform value="iOSSimulator">False</Platform>
<Platform value="Linux64">False</Platform>
<Platform value="OSX32">False</Platform>
<Platform value="Win32">True</Platform>
<Platform value="Win64">False</Platform>
</Platforms>
</BorlandProject>
<ProjectFileVersion>12</ProjectFileVersion>
</ProjectExtensions>
<Import Project="$(BDS)\Bin\CodeGear.Delphi.Targets" Condition="Exists('$(BDS)\Bin\CodeGear.Delphi.Targets')"/>
<Import Project="$(APPDATA)\Embarcadero\$(BDSAPPDATABASEDIR)\$(PRODUCTVERSION)\UserTools.proj" Condition="Exists('$(APPDATA)\Embarcadero\$(BDSAPPDATABASEDIR)\$(PRODUCTVERSION)\UserTools.proj')"/>
</Project>

Binary file not shown.

View File

@ -1,168 +0,0 @@
program scaling_video;
{$APPTYPE CONSOLE}
{$R *.res}
{$i ffmpeg.inc}
uses
System.SysUtils,
System.Classes,
Winapi.Windows,
ffm.lib,
ffm.libavcodec.avcodec,
ffm.ctypes,
ffm.avformat,
ffm.avio,
ffm.avutil,
ffm.buffer,
ffm.dict,
ffm.frame,
ffm.log,
ffm.opt,
ffm.pixfmt,
ffm.rational,
ffm.samplefmt,
ffm.parseutils,
ffm.swscale,
ffm.pixdesc,
ffm.imgutils,
ffm.mem,
ffm.error,
uResourcePaths;
Var
src_data: TAVFrameByteArray;//TPointers;
dst_data: TAVFrameByteArray;//TPointers;
src_linesize: TLinesizes;
dst_linesize: TLinesizes;
src_w: Integer = 320;
src_h: Integer = 240;
dst_w, dst_h: Integer;
src_pix_fmt: TAVPixelFormat = AV_PIX_FMT_YUV420P;
dst_pix_fmt: TAVPixelFormat = AV_PIX_FMT_RGB24;
dst_size: AnsiString;
dst_filename: AnsiString;
// dst_file: File;
dst_straem:TMemoryStream;
dst_bufsize: Integer;
sws_ctx: pSwsContext = nil;
i, ret: Integer;
const
in_filename = cResourceMedia + 'trailer.avi';
out_filename = cResourceResultDefault + 'trailer-out.avi';
procedure fill_yuv_image(data: TAVFrameByteArray{TPointers}; linesize: TLinesizes; width: Integer; height: Integer; frame_index: Integer);
Var
x, y: Integer;
begin
(* Y *)
for y := 0 to height - 1 do
for x := 0 to width - 1 do
data[0][y * linesize[0] + x] := x + y + frame_index * 3;
(* Cb and Cr *)
for y := 0 to height div 2 - 1 do
begin
for x := 0 to width div 2 - 1 do
begin
data[1][y * linesize[1] + x] := 128 + y + frame_index * 2;
data[2][y * linesize[2] + x] := 64 + x + frame_index * 5;
end;
end;
end;
Var
Buf: array [0 .. 511] of AnsiChar;
r:Integer;
begin
try
if (ParamCount <> 2) then
begin
WriteLn(Format('Usage: %s output_file output_size' + #13#10 + 'API example program to show how to scale an image with libswscale.' +
#13#10 + 'This program generates a series of pictures, rescales them to the given ' +
'output_size and saves them to an output file named output_file.' + #13#10, [ExtractFileName(ParamStr(0))]));
end;
if (ParamCount < 2) then
begin
if FileExists(in_filename) then
if CopyFileEx(PChar(in_filename), PChar(out_filename), nil, nil, nil, COPY_FILE_RESTARTABLE) then
begin
dst_filename := out_filename;
dst_size := '320x240';
end
else
Halt(1);
end
else
begin
dst_filename := ParamStr(1);
dst_size := ParamStr(2);
end;
if av_parse_video_size(dst_w, dst_h, PAnsiChar(dst_size)) < 0 then
begin
WriteLn(Format('Invalid size %s, must be in the form WxH or a valid size abbreviation', [dst_size]));
Halt(1);
end;
(* create scaling context *)
sws_ctx := sws_getContext(src_w, src_h, src_pix_fmt, dst_w, dst_h, dst_pix_fmt, SWS_BILINEAR, Nil, Nil, Nil);
if not Assigned(sws_ctx) then
begin
WriteLn(Format('Impossible to create scale context for the conversion fmt:%s s:%dx%d -> fmt:%s s:%dx%d' + #13#10,
[av_get_pix_fmt_name(src_pix_fmt), src_w, src_h, av_get_pix_fmt_name(dst_pix_fmt), dst_w, dst_h]));
Halt(1);
// ret := AVERROR(EINVAL);
// goto
// end;
end;
(* allocate source and destination image buffers *)
ret := av_image_alloc(src_data, src_linesize, src_w, src_h, src_pix_fmt, 16);
// av_strerror(ret,@buf,SizeOf(buf));
if (ret < 0) then
begin
WriteLn('Could not allocate source image');
Halt(1);
end;
(* buffer is going to be written to rawvideo file, no alignment *)
ret := av_image_alloc(dst_data, dst_linesize, dst_w, dst_h, dst_pix_fmt, 1);
if (ret < 0) then
begin
WriteLn('Could not allocate destination image');
end;
dst_bufsize := ret;
dst_straem:=TMemoryStream.Create;
for i := 0 to 99 do
begin
(* generate synthetic video *)
fill_yuv_image(src_data, src_linesize, src_w, src_h, i);
(* convert to destination format *)
sws_scale(sws_ctx, @src_data, @src_linesize, 0, src_h, @dst_data, @dst_linesize);
(* write scaled image to file *)
dst_straem.Write((@dst_data[0][0])^, dst_bufsize);
end;
dst_straem.SaveToFile(dst_filename);
dst_straem.Free;
WriteLn(Format('Scaling succeeded. Play the output file with the command:' + #13#10 +
'ffplay -f rawvideo -pixel_format %s -video_size %dx%d %s', [av_get_pix_fmt_name(dst_pix_fmt), dst_w, dst_h, dst_filename]));
av_freep(@src_data[0]);
av_freep(@dst_data[0]);
sws_freeContext(sws_ctx);
except
on E: Exception do
WriteLn(E.ClassName, ': ', E.Message);
end;
end.

View File

@ -1,254 +0,0 @@
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<Base>true</Base>
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<PropertyGroup Condition="('$(Platform)'=='iOSSimulator' and '$(Base)'=='true') or '$(Base_iOSSimulator)'!=''">
<Base_iOSSimulator>true</Base_iOSSimulator>
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<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='Win32' and '$(Base)'=='true') or '$(Base_Win32)'!=''">
<Base_Win32>true</Base_Win32>
<CfgParent>Base</CfgParent>
<Base>true</Base>
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<PropertyGroup Condition="'$(Config)'=='Release' or '$(Cfg_1)'!=''">
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<Base>true</Base>
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<PropertyGroup Condition="('$(Platform)'=='Win32' and '$(Cfg_1)'=='true') or '$(Cfg_1_Win32)'!=''">
<Cfg_1_Win32>true</Cfg_1_Win32>
<CfgParent>Cfg_1</CfgParent>
<Cfg_1>true</Cfg_1>
<Base>true</Base>
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<Cfg_2>true</Cfg_2>
<CfgParent>Base</CfgParent>
<Base>true</Base>
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<Cfg_2>true</Cfg_2>
<Base>true</Base>
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<Cfg_2_iOSDevice64>true</Cfg_2_iOSDevice64>
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<CfgParent>Cfg_2</CfgParent>
<Cfg_2>true</Cfg_2>
<Base>true</Base>
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<PropertyGroup Condition="'$(Base)'!=''">
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<VerInfo_Locale>1049</VerInfo_Locale>
<DCC_Namespace>System;Xml;Data;Datasnap;Web;Soap;$(DCC_Namespace)</DCC_Namespace>
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<SanitizedProjectName>scaling_video</SanitizedProjectName>
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<BT_BuildType>Debug</BT_BuildType>
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<Android_LauncherIcon72>$(BDS)\bin\Artwork\Android\FM_LauncherIcon_72x72.png</Android_LauncherIcon72>
<Android_LauncherIcon96>$(BDS)\bin\Artwork\Android\FM_LauncherIcon_96x96.png</Android_LauncherIcon96>
<Android_LauncherIcon144>$(BDS)\bin\Artwork\Android\FM_LauncherIcon_144x144.png</Android_LauncherIcon144>
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<Android_SplashImage470>$(BDS)\bin\Artwork\Android\FM_SplashImage_470x320.png</Android_SplashImage470>
<Android_SplashImage640>$(BDS)\bin\Artwork\Android\FM_SplashImage_640x480.png</Android_SplashImage640>
<Android_SplashImage960>$(BDS)\bin\Artwork\Android\FM_SplashImage_960x720.png</Android_SplashImage960>
<AUP_ACCESS_COARSE_LOCATION>true</AUP_ACCESS_COARSE_LOCATION>
<AUP_ACCESS_FINE_LOCATION>true</AUP_ACCESS_FINE_LOCATION>
<AUP_CALL_PHONE>true</AUP_CALL_PHONE>
<AUP_CAMERA>true</AUP_CAMERA>
<AUP_INTERNET>true</AUP_INTERNET>
<AUP_READ_CALENDAR>true</AUP_READ_CALENDAR>
<AUP_READ_EXTERNAL_STORAGE>true</AUP_READ_EXTERNAL_STORAGE>
<AUP_WRITE_CALENDAR>true</AUP_WRITE_CALENDAR>
<AUP_WRITE_EXTERNAL_STORAGE>true</AUP_WRITE_EXTERNAL_STORAGE>
<AUP_READ_PHONE_STATE>true</AUP_READ_PHONE_STATE>
<EnabledSysJars>android-support-v4.dex.jar;cloud-messaging.dex.jar;fmx.dex.jar;google-analytics-v2.dex.jar;google-play-billing.dex.jar;google-play-licensing.dex.jar;google-play-services.dex.jar</EnabledSysJars>
</PropertyGroup>
<PropertyGroup Condition="'$(Base_iOSDevice32)'!=''">
<VerInfo_Keys>CFBundleName=$(MSBuildProjectName);CFBundleDevelopmentRegion=en;CFBundleDisplayName=$(MSBuildProjectName);CFBundleIdentifier=$(MSBuildProjectName);CFBundleInfoDictionaryVersion=7.1;CFBundleVersion=1.0.0.0;CFBundlePackageType=APPL;CFBundleSignature=????;LSRequiresIPhoneOS=true;CFBundleAllowMixedLocalizations=YES;CFBundleExecutable=$(MSBuildProjectName);UIDeviceFamily=iPhone &amp; iPad;CFBundleResourceSpecification=ResourceRules.plist;NSLocationAlwaysUsageDescription=The reason for accessing the location information of the user;NSLocationWhenInUseUsageDescription=The reason for accessing the location information of the user;FMLocalNotificationPermission=false;UIBackgroundModes=;NSContactsUsageDescription=The reason for accessing the contacts;NSPhotoLibraryUsageDescription=The reason for accessing the photo library;NSCameraUsageDescription=The reason for accessing the camera</VerInfo_Keys>
<VerInfo_UIDeviceFamily>iPhoneAndiPad</VerInfo_UIDeviceFamily>
<VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
<BT_BuildType>Debug</BT_BuildType>
<VerInfo_BundleId>$(MSBuildProjectName)</VerInfo_BundleId>
<iPhone_AppIcon60>$(BDS)\bin\Artwork\iOS\iPhone\FM_ApplicationIcon_60x60.png</iPhone_AppIcon60>
<iPhone_AppIcon120>$(BDS)\bin\Artwork\iOS\iPhone\FM_ApplicationIcon_120x120.png</iPhone_AppIcon120>
<iPhone_Spotlight40>$(BDS)\bin\Artwork\iOS\iPhone\FM_SpotlightSearchIcon_40x40.png</iPhone_Spotlight40>
<iPhone_Spotlight80>$(BDS)\bin\Artwork\iOS\iPhone\FM_SpotlightSearchIcon_80x80.png</iPhone_Spotlight80>
<iPad_SpotLight40>$(BDS)\bin\Artwork\iOS\iPad\FM_SpotlightSearchIcon_40x40.png</iPad_SpotLight40>
<iPad_SpotLight80>$(BDS)\bin\Artwork\iOS\iPad\FM_SpotlightSearchIcon_80x80.png</iPad_SpotLight80>
<iPad_AppIcon76>$(BDS)\bin\Artwork\iOS\iPad\FM_ApplicationIcon_76x76.png</iPad_AppIcon76>
<iPad_AppIcon152>$(BDS)\bin\Artwork\iOS\iPad\FM_ApplicationIcon_152x152.png</iPad_AppIcon152>
<iPad_Launch768x1024>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImagePortrait_768x1024.png</iPad_Launch768x1024>
<iPad_Launch1024x768>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImageLandscape_1024x768.png</iPad_Launch1024x768>
<iPad_Launch1536x2048>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImagePortrait_1536x2048.png</iPad_Launch1536x2048>
<iPad_Launch2048x1536>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImageLandscape_2048x1536.png</iPad_Launch2048x1536>
</PropertyGroup>
<PropertyGroup Condition="'$(Base_iOSDevice64)'!=''">
<VerInfo_Keys>CFBundleName=$(MSBuildProjectName);CFBundleDevelopmentRegion=en;CFBundleDisplayName=$(MSBuildProjectName);CFBundleIdentifier=$(MSBuildProjectName);CFBundleInfoDictionaryVersion=7.1;CFBundleVersion=1.0.0.0;CFBundlePackageType=APPL;CFBundleSignature=????;LSRequiresIPhoneOS=true;CFBundleAllowMixedLocalizations=YES;CFBundleExecutable=$(MSBuildProjectName);UIDeviceFamily=iPhone &amp; iPad;CFBundleResourceSpecification=ResourceRules.plist;NSLocationAlwaysUsageDescription=The reason for accessing the location information of the user;NSLocationWhenInUseUsageDescription=The reason for accessing the location information of the user;FMLocalNotificationPermission=false;UIBackgroundModes=;NSContactsUsageDescription=The reason for accessing the contacts;NSPhotoLibraryUsageDescription=The reason for accessing the photo library;NSCameraUsageDescription=The reason for accessing the camera</VerInfo_Keys>
<VerInfo_UIDeviceFamily>iPhoneAndiPad</VerInfo_UIDeviceFamily>
<VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
<BT_BuildType>Debug</BT_BuildType>
<VerInfo_BundleId>$(MSBuildProjectName)</VerInfo_BundleId>
<iPhone_AppIcon60>$(BDS)\bin\Artwork\iOS\iPhone\FM_ApplicationIcon_60x60.png</iPhone_AppIcon60>
<iPhone_AppIcon120>$(BDS)\bin\Artwork\iOS\iPhone\FM_ApplicationIcon_120x120.png</iPhone_AppIcon120>
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<iPad_Launch768x1024>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImagePortrait_768x1024.png</iPad_Launch768x1024>
<iPad_Launch1024x768>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImageLandscape_1024x768.png</iPad_Launch1024x768>
<iPad_Launch1536x2048>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImagePortrait_1536x2048.png</iPad_Launch1536x2048>
<iPad_Launch2048x1536>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImageLandscape_2048x1536.png</iPad_Launch2048x1536>
</PropertyGroup>
<PropertyGroup Condition="'$(Base_iOSSimulator)'!=''">
<VerInfo_Keys>CFBundleName=$(MSBuildProjectName);CFBundleDevelopmentRegion=en;CFBundleDisplayName=$(MSBuildProjectName);CFBundleIdentifier=$(MSBuildProjectName);CFBundleInfoDictionaryVersion=7.1;CFBundleVersion=1.0.0.0;CFBundlePackageType=APPL;CFBundleSignature=????;LSRequiresIPhoneOS=true;CFBundleAllowMixedLocalizations=YES;CFBundleExecutable=$(MSBuildProjectName);UIDeviceFamily=iPhone &amp; iPad;CFBundleResourceSpecification=ResourceRules.plist;NSLocationAlwaysUsageDescription=The reason for accessing the location information of the user;NSLocationWhenInUseUsageDescription=The reason for accessing the location information of the user;FMLocalNotificationPermission=false;UIBackgroundModes=;NSContactsUsageDescription=The reason for accessing the contacts;NSPhotoLibraryUsageDescription=The reason for accessing the photo library;NSCameraUsageDescription=The reason for accessing the camera</VerInfo_Keys>
<VerInfo_UIDeviceFamily>iPhoneAndiPad</VerInfo_UIDeviceFamily>
<VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
<iPhone_AppIcon60>$(BDS)\bin\Artwork\iOS\iPhone\FM_ApplicationIcon_60x60.png</iPhone_AppIcon60>
<iPhone_AppIcon120>$(BDS)\bin\Artwork\iOS\iPhone\FM_ApplicationIcon_120x120.png</iPhone_AppIcon120>
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<iPad_Launch768x1024>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImagePortrait_768x1024.png</iPad_Launch768x1024>
<iPad_Launch1024x768>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImageLandscape_1024x768.png</iPad_Launch1024x768>
<iPad_Launch1536x2048>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImagePortrait_1536x2048.png</iPad_Launch1536x2048>
<iPad_Launch2048x1536>$(BDS)\bin\Artwork\iOS\iPad\FM_LaunchImageLandscape_2048x1536.png</iPad_Launch2048x1536>
</PropertyGroup>
<PropertyGroup Condition="'$(Base_Win32)'!=''">
<DCC_DcuOutput>.\$(Platform)\$(Config)</DCC_DcuOutput>
<DCC_ExeOutput>..\..\..\bin\$(Platform)</DCC_ExeOutput>
<Manifest_File>None</Manifest_File>
<DCC_Namespace>Winapi;System.Win;Data.Win;Datasnap.Win;Web.Win;Soap.Win;Xml.Win;Bde;$(DCC_Namespace)</DCC_Namespace>
<VerInfo_Locale>1033</VerInfo_Locale>
<VerInfo_Keys>CompanyName=;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductVersion=1.0.0.0;Comments=;ProgramID=com.embarcadero.$(MSBuildProjectName);FileDescription=$(MSBuildProjectName);ProductName=$(MSBuildProjectName)</VerInfo_Keys>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_1)'!=''">
<DCC_Define>RELEASE;$(DCC_Define)</DCC_Define>
<DCC_DebugInformation>0</DCC_DebugInformation>
<DCC_LocalDebugSymbols>false</DCC_LocalDebugSymbols>
<DCC_SymbolReferenceInfo>0</DCC_SymbolReferenceInfo>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_1_Win32)'!=''">
<VerInfo_Keys>CompanyName=;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductVersion=1.0.0.0;Comments=;ProgramID=com.embarcadero.$(MSBuildProjectName);FileDescription=$(MSBuildProjectName);ProductName=$(MSBuildProjectName)</VerInfo_Keys>
<VerInfo_Locale>1033</VerInfo_Locale>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_2)'!=''">
<DCC_GenerateStackFrames>true</DCC_GenerateStackFrames>
<DCC_Define>DEBUG;$(DCC_Define)</DCC_Define>
<DCC_Optimize>false</DCC_Optimize>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_2_iOSDevice32)'!=''">
<DCC_RemoteDebug>true</DCC_RemoteDebug>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_2_iOSDevice64)'!=''">
<DCC_RemoteDebug>true</DCC_RemoteDebug>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_2_iOSSimulator)'!=''">
<DCC_RemoteDebug>true</DCC_RemoteDebug>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_2_Win32)'!=''">
<VerInfo_Locale>1033</VerInfo_Locale>
<VerInfo_Keys>CompanyName=;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductVersion=1.0.0.0;Comments=;ProgramID=com.embarcadero.$(MSBuildProjectName);FileDescription=$(MSBuildProjectName);ProductName=$(MSBuildProjectName)</VerInfo_Keys>
</PropertyGroup>
<ItemGroup>
<DelphiCompile Include="$(MainSource)">
<MainSource>MainSource</MainSource>
</DelphiCompile>
<BuildConfiguration Include="Debug">
<Key>Cfg_2</Key>
<CfgParent>Base</CfgParent>
</BuildConfiguration>
<BuildConfiguration Include="Base">
<Key>Base</Key>
</BuildConfiguration>
<BuildConfiguration Include="Release">
<Key>Cfg_1</Key>
<CfgParent>Base</CfgParent>
</BuildConfiguration>
</ItemGroup>
<ProjectExtensions>
<Borland.Personality>Delphi.Personality.12</Borland.Personality>
<Borland.ProjectType/>
<BorlandProject>
<Delphi.Personality>
<Source>
<Source Name="MainSource">scaling_video.dpr</Source>
</Source>
<Excluded_Packages>
<Excluded_Packages Name="$(BDSBIN)\dcloffice2k210.bpl">Microsoft Office 2000 Sample Automation Server Wrapper Components</Excluded_Packages>
<Excluded_Packages Name="$(BDSBIN)\dclofficexp210.bpl">Microsoft Office XP Sample Automation Server Wrapper Components</Excluded_Packages>
</Excluded_Packages>
</Delphi.Personality>
<Platforms>
<Platform value="Android">False</Platform>
<Platform value="iOSDevice32">False</Platform>
<Platform value="iOSDevice64">False</Platform>
<Platform value="iOSSimulator">False</Platform>
<Platform value="Linux64">False</Platform>
<Platform value="OSX32">False</Platform>
<Platform value="Win32">True</Platform>
<Platform value="Win64">False</Platform>
</Platforms>
</BorlandProject>
<ProjectFileVersion>12</ProjectFileVersion>
</ProjectExtensions>
<Import Project="$(BDS)\Bin\CodeGear.Delphi.Targets" Condition="Exists('$(BDS)\Bin\CodeGear.Delphi.Targets')"/>
<Import Project="$(APPDATA)\Embarcadero\$(BDSAPPDATABASEDIR)\$(PRODUCTVERSION)\UserTools.proj" Condition="Exists('$(APPDATA)\Embarcadero\$(BDSAPPDATABASEDIR)\$(PRODUCTVERSION)\UserTools.proj')"/>
</Project>

View File

@ -3,9 +3,6 @@
<ProjectGuid>{B8FFAD51-22D7-426C-B047-EC116C5C089E}</ProjectGuid> <ProjectGuid>{B8FFAD51-22D7-426C-B047-EC116C5C089E}</ProjectGuid>
</PropertyGroup> </PropertyGroup>
<ItemGroup> <ItemGroup>
<Projects Include="ch7_ex7_3_expanded.dproj">
<Dependencies/>
</Projects>
<Projects Include="ch8_ex8_3.dproj"> <Projects Include="ch8_ex8_3.dproj">
<Dependencies/> <Dependencies/>
</Projects> </Projects>
@ -35,15 +32,6 @@
<Default.Personality/> <Default.Personality/>
</BorlandProject> </BorlandProject>
</ProjectExtensions> </ProjectExtensions>
<Target Name="ch7_ex7_3_expanded">
<MSBuild Projects="ch7_ex7_3_expanded.dproj"/>
</Target>
<Target Name="ch7_ex7_3_expanded:Clean">
<MSBuild Projects="ch7_ex7_3_expanded.dproj" Targets="Clean"/>
</Target>
<Target Name="ch7_ex7_3_expanded:Make">
<MSBuild Projects="ch7_ex7_3_expanded.dproj" Targets="Make"/>
</Target>
<Target Name="ch8_ex8_3"> <Target Name="ch8_ex8_3">
<MSBuild Projects="ch8_ex8_3.dproj"/> <MSBuild Projects="ch8_ex8_3.dproj"/>
</Target> </Target>
@ -108,13 +96,13 @@
<MSBuild Projects="ch13_ex13_1.dproj" Targets="Make"/> <MSBuild Projects="ch13_ex13_1.dproj" Targets="Make"/>
</Target> </Target>
<Target Name="Build"> <Target Name="Build">
<CallTarget Targets="ch7_ex7_3_expanded;ch8_ex8_3;ch9_watershed;ch10_ex10_1;ch10_ex10_1b_Horn_Schunck;ch10_ex10_2;ch10_motempl;ch13_ex13_1"/> <CallTarget Targets="ch8_ex8_3;ch9_watershed;ch10_ex10_1;ch10_ex10_1b_Horn_Schunck;ch10_ex10_2;ch10_motempl;ch13_ex13_1"/>
</Target> </Target>
<Target Name="Clean"> <Target Name="Clean">
<CallTarget Targets="ch7_ex7_3_expanded:Clean;ch8_ex8_3:Clean;ch9_watershed:Clean;ch10_ex10_1:Clean;ch10_ex10_1b_Horn_Schunck:Clean;ch10_ex10_2:Clean;ch10_motempl:Clean;ch13_ex13_1:Clean"/> <CallTarget Targets="ch8_ex8_3:Clean;ch9_watershed:Clean;ch10_ex10_1:Clean;ch10_ex10_1b_Horn_Schunck:Clean;ch10_ex10_2:Clean;ch10_motempl:Clean;ch13_ex13_1:Clean"/>
</Target> </Target>
<Target Name="Make"> <Target Name="Make">
<CallTarget Targets="ch7_ex7_3_expanded:Make;ch8_ex8_3:Make;ch9_watershed:Make;ch10_ex10_1:Make;ch10_ex10_1b_Horn_Schunck:Make;ch10_ex10_2:Make;ch10_motempl:Make;ch13_ex13_1:Make"/> <CallTarget Targets="ch8_ex8_3:Make;ch9_watershed:Make;ch10_ex10_1:Make;ch10_ex10_1b_Horn_Schunck:Make;ch10_ex10_2:Make;ch10_motempl:Make;ch13_ex13_1:Make"/>
</Target> </Target>
<Import Project="$(BDS)\Bin\CodeGear.Group.Targets" Condition="Exists('$(BDS)\Bin\CodeGear.Group.Targets')"/> <Import Project="$(BDS)\Bin\CodeGear.Group.Targets" Condition="Exists('$(BDS)\Bin\CodeGear.Group.Targets')"/>
</Project> </Project>

View File

@ -154,6 +154,12 @@
<Platform value="Win64">False</Platform> <Platform value="Win64">False</Platform>
</Platforms> </Platforms>
<Deployment Version="3"> <Deployment Version="3">
<DeployFile LocalName="C:\Users\Public\Documents\Embarcadero\Studio\19.0\Bpl\dclCommonOpenCV250.bpl" Configuration="Release" Class="ProjectOutput">
<Platform Name="Win32">
<RemoteName>dclCommonOpenCV250.bpl</RemoteName>
<Overwrite>true</Overwrite>
</Platform>
</DeployFile>
<DeployFile LocalName="$(BDS)\Redist\osx32\libcgunwind.1.0.dylib" Class="DependencyModule"> <DeployFile LocalName="$(BDS)\Redist\osx32\libcgunwind.1.0.dylib" Class="DependencyModule">
<Platform Name="OSX32"> <Platform Name="OSX32">
<Overwrite>true</Overwrite> <Overwrite>true</Overwrite>
@ -185,12 +191,6 @@
<Overwrite>true</Overwrite> <Overwrite>true</Overwrite>
</Platform> </Platform>
</DeployFile> </DeployFile>
<DeployFile LocalName="C:\Users\Public\Documents\Embarcadero\Studio\19.0\Bpl\dclCommonOpenCV250.bpl" Configuration="Release" Class="ProjectOutput">
<Platform Name="Win32">
<RemoteName>dclCommonOpenCV250.bpl</RemoteName>
<Overwrite>true</Overwrite>
</Platform>
</DeployFile>
<DeployClass Name="AdditionalDebugSymbols"> <DeployClass Name="AdditionalDebugSymbols">
<Platform Name="OSX32"> <Platform Name="OSX32">
<Operation>1</Operation> <Operation>1</Operation>

View File

@ -1,7 +1,7 @@
package dclFMXOpenCV250; package dclFMXOpenCV250;
{$R *.res} {$R *.res}
{$R dclFMXOpenCV.res} {$R 'dclFMXOpenCV.res'}
{$IFDEF IMPLICITBUILDING This IFDEF should not be used by users} {$IFDEF IMPLICITBUILDING This IFDEF should not be used by users}
{$ALIGN 8} {$ALIGN 8}
{$ASSERTIONS ON} {$ASSERTIONS ON}
@ -37,6 +37,7 @@ requires
contains contains
ocv.comp.RegisterFMX in '..\ocv.comp.RegisterFMX.pas', ocv.comp.RegisterFMX in '..\ocv.comp.RegisterFMX.pas',
ocv.comp.ViewFMX in '..\ocv.comp.ViewFMX.pas'; ocv.comp.ViewFMX in '..\ocv.comp.ViewFMX.pas',
ocv.fmxutils in '..\..\ocv.fmxutils.pas';
end. end.

View File

@ -183,6 +183,7 @@
<DCCReference Include="dclCommonOpenCV250.dcp"/> <DCCReference Include="dclCommonOpenCV250.dcp"/>
<DCCReference Include="..\ocv.comp.RegisterFMX.pas"/> <DCCReference Include="..\ocv.comp.RegisterFMX.pas"/>
<DCCReference Include="..\ocv.comp.ViewFMX.pas"/> <DCCReference Include="..\ocv.comp.ViewFMX.pas"/>
<DCCReference Include="..\..\ocv.fmxutils.pas"/>
<RcCompile Include="..\dclFMXOpenCV.rc"> <RcCompile Include="..\dclFMXOpenCV.rc">
<Form>dclFMXOpenCV.res</Form> <Form>dclFMXOpenCV.res</Form>
</RcCompile> </RcCompile>
@ -222,14 +223,13 @@
<Platform value="Win64">False</Platform> <Platform value="Win64">False</Platform>
</Platforms> </Platforms>
<Deployment Version="3"> <Deployment Version="3">
<DeployFile LocalName="C:\Users\Public\Documents\Embarcadero\Studio\15.0\Bpl\dclFMXOpenCV250.bpl" Configuration="Debug" Class="ProjectOutput"> <DeployFile LocalName="$(BDS)\Redist\osx32\libcgunwind.1.0.dylib" Class="DependencyModule">
<Platform Name="Win32"> <Platform Name="OSX32">
<RemoteName>dclFMXOpenCV250.bpl</RemoteName>
<Overwrite>true</Overwrite> <Overwrite>true</Overwrite>
</Platform> </Platform>
</DeployFile> </DeployFile>
<DeployFile LocalName="$(BDS)\Redist\osx32\libcgunwind.1.0.dylib" Class="DependencyModule"> <DeployFile LocalName="$(BDS)\Redist\iossimulator\libPCRE.dylib" Class="DependencyModule">
<Platform Name="OSX32"> <Platform Name="iOSSimulator">
<Overwrite>true</Overwrite> <Overwrite>true</Overwrite>
</Platform> </Platform>
</DeployFile> </DeployFile>
@ -239,11 +239,6 @@
<Overwrite>true</Overwrite> <Overwrite>true</Overwrite>
</Platform> </Platform>
</DeployFile> </DeployFile>
<DeployFile LocalName="$(BDS)\Redist\iossimulator\libPCRE.dylib" Class="DependencyModule">
<Platform Name="iOSSimulator">
<Overwrite>true</Overwrite>
</Platform>
</DeployFile>
<DeployFile LocalName="$(BDS)\Redist\iossim32\libcgunwind.1.0.dylib" Class="DependencyModule"> <DeployFile LocalName="$(BDS)\Redist\iossim32\libcgunwind.1.0.dylib" Class="DependencyModule">
<Platform Name="iOSSimulator"> <Platform Name="iOSSimulator">
<Overwrite>true</Overwrite> <Overwrite>true</Overwrite>
@ -259,6 +254,12 @@
<Overwrite>true</Overwrite> <Overwrite>true</Overwrite>
</Platform> </Platform>
</DeployFile> </DeployFile>
<DeployFile LocalName="C:\Users\Public\Documents\Embarcadero\Studio\15.0\Bpl\dclFMXOpenCV250.bpl" Configuration="Debug" Class="ProjectOutput">
<Platform Name="Win32">
<RemoteName>dclFMXOpenCV250.bpl</RemoteName>
<Overwrite>true</Overwrite>
</Platform>
</DeployFile>
<DeployClass Name="AdditionalDebugSymbols"> <DeployClass Name="AdditionalDebugSymbols">
<Platform Name="OSX32"> <Platform Name="OSX32">
<Operation>1</Operation> <Operation>1</Operation>

View File

@ -152,12 +152,6 @@
<Platform value="Win64">False</Platform> <Platform value="Win64">False</Platform>
</Platforms> </Platforms>
<Deployment Version="3"> <Deployment Version="3">
<DeployFile LocalName="C:\Users\Public\Documents\Embarcadero\Studio\19.0\Bpl\dclVCLOpenCV250.bpl" Configuration="Release" Class="ProjectOutput">
<Platform Name="Win32">
<RemoteName>dclVCLOpenCV250.bpl</RemoteName>
<Overwrite>true</Overwrite>
</Platform>
</DeployFile>
<DeployFile LocalName="$(BDS)\Redist\osx32\libcgunwind.1.0.dylib" Class="DependencyModule"> <DeployFile LocalName="$(BDS)\Redist\osx32\libcgunwind.1.0.dylib" Class="DependencyModule">
<Platform Name="OSX32"> <Platform Name="OSX32">
<Overwrite>true</Overwrite> <Overwrite>true</Overwrite>
@ -189,6 +183,12 @@
<Overwrite>true</Overwrite> <Overwrite>true</Overwrite>
</Platform> </Platform>
</DeployFile> </DeployFile>
<DeployFile LocalName="C:\Users\Public\Documents\Embarcadero\Studio\19.0\Bpl\dclVCLOpenCV250.bpl" Configuration="Release" Class="ProjectOutput">
<Platform Name="Win32">
<RemoteName>dclVCLOpenCV250.bpl</RemoteName>
<Overwrite>true</Overwrite>
</Platform>
</DeployFile>
<DeployClass Name="AdditionalDebugSymbols"> <DeployClass Name="AdditionalDebugSymbols">
<Platform Name="OSX32"> <Platform Name="OSX32">
<Operation>1</Operation> <Operation>1</Operation>

View File

@ -41,7 +41,7 @@ Uses
SyncObjs, SyncObjs,
{$ENDIF} {$ENDIF}
ocv.comp.Source, ocv.comp.Source,
ffm.libavcodec.avcodec; libavcodec;
Type Type
TOnNotifyFFMpegPacket = procedure(Sender: TObject; const packet: TAVPacket; const isKeyFrame: Boolean) of object; TOnNotifyFFMpegPacket = procedure(Sender: TObject; const packet: TAVPacket; const isKeyFrame: Boolean) of object;
@ -88,12 +88,12 @@ Uses
ocv.core_c, ocv.core_c,
ocv.core.types_c, ocv.core.types_c,
ocv.comp.Types, ocv.comp.Types,
ffm.avformat, libavformat,
ffm.dict, libavutil_dict,
ffm.avutil, libavutil,
ffm.frame, libavutil_frame,
ffm.swscale, libswscale,
ffm.pixfmt; libavutil_pixfmt;
Type Type
TocvFFMpegIPCamSourceThread = class(TocvCustomSourceThread) TocvFFMpegIPCamSourceThread = class(TocvCustomSourceThread)
@ -246,7 +246,7 @@ Var
end; end;
if Assigned(pFormatCtx) then if Assigned(pFormatCtx) then
begin begin
avformat_close_input(pFormatCtx); avformat_close_input(@pFormatCtx);
pFormatCtx := nil; pFormatCtx := nil;
end; end;
if Assigned(iplframe) then if Assigned(iplframe) then
@ -256,12 +256,12 @@ Var
end; end;
if Assigned(frame) then if Assigned(frame) then
begin begin
av_frame_free(frame); av_frame_free(@frame);
frame := nil; frame := nil;
end; end;
if Assigned(optionsDict) then if Assigned(optionsDict) then
begin begin
av_dict_free(optionsDict); av_dict_free(@optionsDict);
optionsDict := nil; optionsDict := nil;
end; end;
end; end;
@ -298,14 +298,14 @@ begin
DoNotyfy(ffocvTryConnect); DoNotyfy(ffocvTryConnect);
av_dict_set(optionsDict, 'rtsp_transport', 'tcp', 0); av_dict_set(@optionsDict, 'rtsp_transport', 'tcp', 0);
av_dict_set(optionsDict, 'rtsp_flags', 'prefer_tcp', 0); av_dict_set(@optionsDict, 'rtsp_flags', 'prefer_tcp', 0);
av_dict_set(optionsDict, 'allowed_media_types', 'video', 0); av_dict_set(@optionsDict, 'allowed_media_types', 'video', 0);
av_dict_set(optionsDict, 'reorder_queue_size', '10', 0); av_dict_set(@optionsDict, 'reorder_queue_size', '10', 0);
av_dict_set(optionsDict, 'max_delay', '500000', 0); av_dict_set(@optionsDict, 'max_delay', '500000', 0);
av_dict_set(optionsDict, 'stimeout', '1000000', 0); av_dict_set(@optionsDict, 'stimeout', '1000000', 0);
ret := avformat_open_input(pFormatCtx, PAnsiChar(FIPCamURL), nil, @optionsDict); // pFormatCtx ret := avformat_open_input(@pFormatCtx, PAnsiChar(FIPCamURL), nil, @optionsDict); // pFormatCtx
if ret < 0 then if ret < 0 then
begin begin
DoNotyfy(ffocvErrorGetStream); DoNotyfy(ffocvErrorGetStream);
@ -313,7 +313,7 @@ begin
Continue; Continue;
end; end;
av_dict_free(optionsDict); av_dict_free(@optionsDict);
optionsDict := nil; optionsDict := nil;
if avformat_find_stream_info(pFormatCtx, nil) < 0 then if avformat_find_stream_info(pFormatCtx, nil) < 0 then
begin begin
@ -368,8 +368,8 @@ begin
Continue; Continue;
end; end;
img_convert_context := sws_getCachedContext(nil, pCodecCtx^.Width, pCodecCtx^.Height, pCodecCtx^.pix_fmt, pCodecCtx^.Width, img_convert_context := sws_getCachedContext(nil, pCodecCtx^.Width, pCodecCtx^.Height, Integer(pCodecCtx^.pix_fmt), pCodecCtx^.Width,
pCodecCtx^.Height, AV_PIX_FMT_BGR24, SWS_BILINEAR, nil, nil, nil); pCodecCtx^.Height, Integer(AV_PIX_FMT_BGR24), SWS_BILINEAR, nil, nil, nil);
if (img_convert_context = nil) then if (img_convert_context = nil) then
begin begin
DoNotyfy(ffocvErrorGetStream); DoNotyfy(ffocvErrorGetStream);
@ -385,13 +385,13 @@ begin
DoNotyfy(ffocvConnected); DoNotyfy(ffocvConnected);
while (not Terminated) and (FSuspendEvent.WaitFor(0) = wrSignaled) and (not FisReconnect) do while (not Terminated) and (FSuspendEvent.WaitFor(0) = wrSignaled) and (not FisReconnect) do
if av_read_frame(pFormatCtx, packet) >= 0 then if av_read_frame(pFormatCtx, @packet) >= 0 then
begin begin
if (packet.stream_index = videoStream) then if (packet.stream_index = videoStream) then
begin begin
FOwner.DoNotifyPacket(packet, (packet.flags and AV_PKT_FLAG_KEY) <> 0); FOwner.DoNotifyPacket(packet, (packet.flags and AV_PKT_FLAG_KEY) <> 0);
// Video stream packet // Video stream packet
avcodec_decode_video2(pCodecCtx, frame, frame_finished, @packet); avcodec_decode_video2(pCodecCtx, frame, @frame_finished, @packet);
if (frame_finished <> 0) then if (frame_finished <> 0) then
begin begin
sws_scale(img_convert_context, @frame^.data, @frame^.linesize, 0, pCodecCtx^.Height, @iplframe^.imageData, @linesize); sws_scale(img_convert_context, @frame^.data, @frame^.linesize, 0, pCodecCtx^.Height, @iplframe^.imageData, @linesize);
@ -409,7 +409,7 @@ begin
FisReconnect := True; FisReconnect := True;
Break; Break;
end; end;
av_free_packet(packet); av_free_packet(@packet);
end; end;
if (not Terminated) and FisReconnect and (FReconnectDelay > 0) and (FSuspendEvent.WaitFor(0) = wrSignaled) then if (not Terminated) and FisReconnect and (FReconnectDelay > 0) and (FSuspendEvent.WaitFor(0) = wrSignaled) then

View File

@ -129,6 +129,7 @@ implementation
uses uses
System.UITypes, System.UITypes,
ocv.core.types_c,
ocv.fmxutils; ocv.fmxutils;
{$IFNDEF DELPHIXE5_UP} {$IFNDEF DELPHIXE5_UP}

22
source/ffmpeg/LICENSE.txt Normal file
View File

@ -0,0 +1,22 @@
FFmpeg Delphi/Pascal Headers and Examples License Agreement
A modified part of FFVCL - Delphi FFmpeg VCL Components.
Copyright (c) 2008-2016 DelphiFFmpeg.com
All rights reserved.
http://www.DelphiFFmpeg.com
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
This source code is provided "as is" by DelphiFFmpeg.com without
warranty of any kind, either expressed or implied, including but not
limited to the implied warranties of merchantability and/or fitness
for a particular purpose.
Please also notice the License agreement of FFmpeg libraries.

30
source/ffmpeg/Readme.txt Normal file
View File

@ -0,0 +1,30 @@
FFmpeg Delphi/Pascal Headers and Examples
Ported from FFmpeg 3.0.2
Tested on Delphi 6 to Delphi 10.1 Berlin and FPC 2.6.4 (Win32 only)
*********************************************************************
FFmpeg Delphi/Pascal Headers and Examples License Agreement
A modified part of FFVCL - Delphi FFmpeg VCL Components.
Copyright (c) 2008-2016 DelphiFFmpeg.com
All rights reserved.
http://www.DelphiFFmpeg.com
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
This source code is provided "as is" by DelphiFFmpeg.com without
warranty of any kind, either expressed or implied, including but not
limited to the implied warranties of merchantability and/or fitness
for a particular purpose.
Please also notice the License agreement of FFmpeg libraries.

File diff suppressed because it is too large Load Diff

File diff suppressed because it is too large Load Diff

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@ -1,506 +0,0 @@
unit ffm.avio;
{$i ffmpeg.inc}
interface
uses
ffm.log, ffm.ctypes;
(*
// * copyright (c) 2001 Fabrice Bellard
// *
// * This file is part of ffm.
// *
// * FFmpeg is free software; you can redistribute it and/or
// * modify it under the terms of the GNU Lesser General Public
// * License as published by the Free Software Foundation; either
// * version 2.1 of the License, or (at your option) any later version.
// *
// * FFmpeg is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// * Lesser General Public License for more details.
// *
// * You should have received a copy of the GNU Lesser General Public
// * License along with FFmpeg; if not, write to the Free Software
// * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
// #ifndef AVFORMAT_AVIO_H
// #define AVFORMAT_AVIO_H
//
(*
// * @file
// * @ingroup lavf_io
// * Buffered I/O operations
*)
//
// #include <stdint.h>
//
// #include "libavutil/common.h"
// #include "libavutil/dict.h"
// #include "libavutil/log.h"
//
// #include "libavformat/version.h"
//
//
// #define AVIO_SEEKABLE_NORMAL 0x0001 /**< Seeking works like for a local file */
//
(*
* Callback for checking whether to abort blocking functions.
* AVERROR_EXIT is returned in this case by the interrupted
* function. During blocking operations, callback is called with
* opaque as parameter. If the callback returns 1, the
* blocking operation will be aborted.
*
* No members can be added to this struct without a major bump, if
* new elements have been added after this struct in AVFormatContext
* or AVIOContext.
*)
Type
TAVIOInterruptCB = record
callback: function(param: Pointer): integer; cdecl;
opaque: Pointer;
end;
(*
// * Bytestream IO Context.
// * New fields can be added to the end with minor version bumps.
// * Removal, reordering and changes to existing fields require a major
// * version bump.
// * sizeof(AVIOContext) must not be used outside libav*.
// *
// * @note None of the function pointers in AVIOContext should be called
// * directly, they should only be set by the client application
// * when implementing custom I/O. Normally these are set to the
// * function pointers specified in avio_alloc_context()
*)
pAVIOContext = ^TAVIOContext;
TAVIOContext = {packed} record
(*
* A class for private options.
*
* If this AVIOContext is created by avio_open2(), av_class is set and
* passes the options down to protocols.
*
* If this AVIOContext is manually allocated, then av_class may be set by
* the caller.
*
* warning -- this field can be NULL, be sure to not pass this AVIOContext
* to any av_opt_* functions in that case.
*)
av_class: pAVClass;
buffer: pByte; // **< Start of the buffer. */
buffer_size: integer; // **< Maximum buffer size */
buf_ptr: pByte; // **< Current position in the buffer */
buf_end: pByte; // **< End of the data, may be less than
// buffer+buffer_size if the read function returned
// less data than requested, e.g. for streams where
// no more data has been received yet. */
opaque: Pointer; // **< A private pointer, passed to the read/write/seek/...
// functions. */
// int (*read_packet)(void *opaque, uint8_t *buf, int buf_size);
read_packet: function(opaque: Pointer; buf: pByte; buf_size: integer): integer; cdecl;
// int (*write_packet)(void *opaque, uint8_t *buf, int buf_size);
write_packet: function(opaque: Pointer; buf: pByte; buf_size: integer): integer; cdecl;
// int64_t (*seek)(void *opaque, int64_t offset, int whence);
seek: function(opaque: Pointer; offset: int64_t; whence: integer): int64_t; cdecl;
pos: int64_t; // **< position in the file of the current buffer */
must_flush: integer; // **< true if the next seek should flush */
eof_reached: integer; // **< true if eof reached */
write_flag: integer; // **< true if open for writing */
max_packet_size: integer;
checksum: culong;
checksum_ptr: pByte;
// unsigned long (*update_checksum)(unsigned long checksum, const uint8_t *buf, unsigned int size);
update_checksum: function(checksum: culong; const buf: pByte; size: Cardinal): Cardinal; cdecl;
error: integer; // **< contains the error code or 0 if no error happened */
(*
* Pause or resume playback for network streaming protocols - e.g. MMS.
*)
// int (*read_pause)(void *opaque, int pause);
read_pause: function(opaque: Pointer; pause: cint): cint; cdecl;
(*
* Seek to a given timestamp in stream with the specified stream_index.
* Needed for some network streaming protocols which don't support seeking
* to byte position.
*)
// int64_t (*read_seek)(void *opaque, int stream_index, int64_t timestamp, int flags);
read_seek: function(opaque: Pointer; stream_index: cint; timestamp: cint64; flags: cint): cint64; cdecl;
(*
* A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
*)
seekable: integer;
(*
* max filesize, used to limit allocations
* This field is internal to libavformat and access from outside is not allowed.
*)
maxsize: int64_t;
(*
* avio_read and avio_write should if possible be satisfied directly
* instead of going through a buffer, and avio_seek will always
* call the underlying seek function directly.
*)
direct: integer;
(*
* Bytes read statistic
* This field is internal to libavformat and access from outside is not allowed.
*)
bytes_read: int64_t;
(*
* seek statistic
* This field is internal to libavformat and access from outside is not allowed.
*)
seek_count: integer;
(*
* writeout statistic
* This field is internal to libavformat and access from outside is not allowed.
*)
writeout_count: integer;
end;
/// * unbuffered I/O */
//
(*
// * Return AVIO_FLAG_* access flags corresponding to the access permissions
// * of the resource in url, or a negative value corresponding to an
// * AVERROR code in case of failure. The returned access flags are
// * masked by the value in flags.
// *
// * @note This function is intrinsically unsafe, in the sense that the
// * checked resource may change its existence or permission status from
// * one call to another. Thus you should not trust the returned value,
// * unless you are sure that no other processes are accessing the
// * checked resource.
*)
// int avio_check(const char *url, int flags);
//
(*
// * Allocate and initialize an AVIOContext for buffered I/O. It must be later
// * freed with av_free().
// *
// * @param buffer Memory block for input/output operations via AVIOContext.
// * The buffer must be allocated with av_malloc() and friends.
// * @param buffer_size The buffer size is very important for performance.
// * For protocols with fixed blocksize it should be set to this blocksize.
// * For others a typical size is a cache page, e.g. 4kb.
// * @param write_flag Set to 1 if the buffer should be writable, 0 otherwise.
// * @param opaque An opaque pointer to user-specific data.
// * @param read_packet A function for refilling the buffer, may be NULL.
// * @param write_packet A function for writing the buffer contents, may be NULL.
// * The function may not change the input buffers content.
// * @param seek A function for seeking to specified byte position, may be NULL.
// *
// * @return Allocated AVIOContext or NULL on failure.
*)
// AVIOContext *avio_alloc_context(
// unsigned char *buffer,
// int buffer_size,
// int write_flag,
// void *opaque,
// int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
// int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
// int64_t (*seek)(void *opaque, int64_t offset, int whence));
//
// void avio_w8(AVIOContext *s, int b);
// void avio_write(AVIOContext *s, const unsigned char *buf, int size);
// void avio_wl64(AVIOContext *s, uint64_t val);
// void avio_wb64(AVIOContext *s, uint64_t val);
// void avio_wl32(AVIOContext *s, unsigned int val);
// void avio_wb32(AVIOContext *s, unsigned int val);
// void avio_wl24(AVIOContext *s, unsigned int val);
// void avio_wb24(AVIOContext *s, unsigned int val);
// void avio_wl16(AVIOContext *s, unsigned int val);
// void avio_wb16(AVIOContext *s, unsigned int val);
//
(*
// * Write a NULL-terminated string.
// * @return number of bytes written.
*)
// int avio_put_str(AVIOContext *s, const char *str);
//
(*
// * Convert an UTF-8 string to UTF-16LE and write it.
// * @return number of bytes written.
*)
// int avio_put_str16le(AVIOContext *s, const char *str);
//
(*
// * Passing this as the "whence" parameter to a seek function causes it to
// * return the filesize without seeking anywhere. Supporting this is optional.
// * If it is not supported then the seek function will return <0.
*)
// #define AVSEEK_SIZE 0x10000
//
(*
// * Oring this flag as into the "whence" parameter to a seek function causes it to
// * seek by any means (like reopening and linear reading) or other normally unreasonable
// * means that can be extremely slow.
// * This may be ignored by the seek code.
*)
// #define AVSEEK_FORCE 0x20000
//
(*
// * fseek() equivalent for AVIOContext.
// * @return new position or AVERROR.
*)
// int64_t avio_seek(AVIOContext *s, int64_t offset, int whence);
//
(*
// * Skip given number of bytes forward
// * @return new position or AVERROR.
*)
// int64_t avio_skip(AVIOContext *s, int64_t offset);
//
(*
// * ftell() equivalent for AVIOContext.
// * @return position or AVERROR.
*)
// static av_always_inline int64_t avio_tell(AVIOContext *s)
// {
// return avio_seek(s, 0, SEEK_CUR);
// }
//
(*
// * Get the filesize.
// * @return filesize or AVERROR
*)
// int64_t avio_size(AVIOContext *s);
//
(*
// * feof() equivalent for AVIOContext.
// * @return non zero if and only if end of file
*)
// int url_feof(AVIOContext *s);
//
(*@warning currently size is limited */
// int avio_printf(AVIOContext *s, const char *fmt, ...) av_printf_format(2, 3);
//
(*
// * Force flushing of buffered data to the output s.
// *
// * Force the buffered data to be immediately written to the output,
// * without to wait to fill the internal buffer.
*)
// void avio_flush(AVIOContext *s);
//
(*
// * Read size bytes from AVIOContext into buf.
// * @return number of bytes read or AVERROR
*)
// int avio_read(AVIOContext *s, unsigned char *buf, int size);
//
(*
// * @name Functions for reading from AVIOContext
// * @{
// *
// * @note return 0 if EOF, so you cannot use it if EOF handling is
// * necessary
*)
// int avio_r8 (AVIOContext *s);
// unsigned int avio_rl16(AVIOContext *s);
// unsigned int avio_rl24(AVIOContext *s);
// unsigned int avio_rl32(AVIOContext *s);
// uint64_t avio_rl64(AVIOContext *s);
// unsigned int avio_rb16(AVIOContext *s);
// unsigned int avio_rb24(AVIOContext *s);
// unsigned int avio_rb32(AVIOContext *s);
// uint64_t avio_rb64(AVIOContext *s);
(*
// * @}
*)
//
(*
// * Read a string from pb into buf. The reading will terminate when either
// * a NULL character was encountered, maxlen bytes have been read, or nothing
// * more can be read from pb. The result is guaranteed to be NULL-terminated, it
// * will be truncated if buf is too small.
// * Note that the string is not interpreted or validated in any way, it
// * might get truncated in the middle of a sequence for multi-byte encodings.
// *
// * @return number of bytes read (is always <= maxlen).
// * If reading ends on EOF or error, the return value will be one more than
// * bytes actually read.
*)
// int avio_get_str(AVIOContext *pb, int maxlen, char *buf, int buflen);
//
(*
// * Read a UTF-16 string from pb and convert it to UTF-8.
// * The reading will terminate when either a null or invalid character was
// * encountered or maxlen bytes have been read.
// * @return number of bytes read (is always <= maxlen)
*)
// int avio_get_str16le(AVIOContext *pb, int maxlen, char *buf, int buflen);
// int avio_get_str16be(AVIOContext *pb, int maxlen, char *buf, int buflen);
//
//
(*
// * @name URL open modes
// * The flags argument to avio_open must be one of the following
// * constants, optionally ORed with other flags.
// * @{
*)
const
AVIO_FLAG_READ = 1; // read-only
AVIO_FLAG_WRITE = 2; // write-only
AVIO_FLAG_READ_WRITE = AVIO_FLAG_READ or AVIO_FLAG_WRITE; // read-write pseudo flag
(*
// * @}
*)
//
(*
* Use non-blocking mode.
* If this flag is set, operations on the context will return
* AVERROR(EAGAIN) if they can not be performed immediately.
* If this flag is not set, operations on the context will never return
* AVERROR(EAGAIN).
* Note that this flag does not affect the opening/connecting of the
* context. Connecting a protocol will always block if necessary (e.g. on
* network protocols) but never hang (e.g. on busy devices).
* Warning: non-blocking protocols is work-in-progress; this flag may be
* silently ignored.
*)
const
AVIO_FLAG_NONBLOCK = 8;
(*
* Use direct mode.
* avio_read and avio_write should if possible be satisfied directly
* instead of going through a buffer, and avio_seek will always
* call the underlying seek function directly.
*)
AVIO_FLAG_DIRECT = $8000;
(*
// * Create and initialize a AVIOContext for accessing the
// * resource indicated by url.
// * @note When the resource indicated by url has been opened in
// * read+write mode, the AVIOContext can be used only for writing.
// *
// * @param s Used to return the pointer to the created AVIOContext.
// * In case of failure the pointed to value is set to NULL.
// * @param flags flags which control how the resource indicated by url
// * is to be opened
// * @return >= 0 in case of success, a negative value corresponding to an
// * AVERROR code in case of failure
*)
// int avio_open(AVIOContext **s, const char *url, int flags);
function avio_open(Var s: pAVIOContext; const url: pAnsiChar; flags: integer): integer; cdecl;
(*
// * Create and initialize a AVIOContext for accessing the
// * resource indicated by url.
// * @note When the resource indicated by url has been opened in
// * read+write mode, the AVIOContext can be used only for writing.
// *
// * @param s Used to return the pointer to the created AVIOContext.
// * In case of failure the pointed to value is set to NULL.
// * @param flags flags which control how the resource indicated by url
// * is to be opened
// * @param int_cb an interrupt callback to be used at the protocols level
// * @param options A dictionary filled with protocol-private options. On return
// * this parameter will be destroyed and replaced with a dict containing options
// * that were not found. May be NULL.
// * @return >= 0 in case of success, a negative value corresponding to an
// * AVERROR code in case of failure
*)
// int avio_open2(AVIOContext **s, const char *url, int flags,
// const AVIOInterruptCB *int_cb, AVDictionary **options);
//
(*
// * Close the resource accessed by the AVIOContext s and free it.
// * This function can only be used if s was opened by avio_open().
// *
// * The internal buffer is automatically flushed before closing the
// * resource.
// *
// * @return 0 on success, an AVERROR < 0 on error.
// * @see avio_closep
*)
// int avio_close(AVIOContext *s);
function avio_close(s: pAVIOContext): integer;
(*
// * Close the resource accessed by the AVIOContext *s, free it
// * and set the pointer pointing to it to NULL.
// * This function can only be used if s was opened by avio_open().
// *
// * The internal buffer is automatically flushed before closing the
// * resource.
// *
// * @return 0 on success, an AVERROR < 0 on error.
// * @see avio_close
*)
// int avio_closep(AVIOContext **s);
//
//
(*
// * Open a write only memory stream.
// *
// * @param s new IO context
// * @return zero if no error.
*)
// int avio_open_dyn_buf(AVIOContext **s);
//
(*
// * Return the written size and a pointer to the buffer. The buffer
// * must be freed with av_free().
// * Padding of FF_INPUT_BUFFER_PADDING_SIZE is added to the buffer.
// *
// * @param s IO context
// * @param pbuffer pointer to a byte buffer
// * @return the length of the byte buffer
*)
// int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer);
//
(*
// * Iterate through names of available protocols.
// *
// * @param opaque A private pointer representing current protocol.
// * It must be a pointer to NULL on first iteration and will
// * be updated by successive calls to avio_enum_protocols.
// * @param output If set to 1, iterate over output protocols,
// * otherwise over input protocols.
// *
// * @return A static string containing the name of current protocol or NULL
*)
// const char *avio_enum_protocols(void **opaque, int output);
//
(*
// * Pause and resume playing - only meaningful if using a network streaming
// * protocol (e.g. MMS).
// * @param pause 1 for pause, 0 for resume
*)
// int avio_pause(AVIOContext *h, int pause);
//
(*
// * Seek to a given timestamp relative to some component stream.
// * Only meaningful if using a network streaming protocol (e.g. MMS.).
// * @param stream_index The stream index that the timestamp is relative to.
// * If stream_index is (-1) the timestamp should be in AV_TIME_BASE
// * units from the beginning of the presentation.
// * If a stream_index >= 0 is used and the protocol does not support
// * seeking based on component streams, the call will fail.
// * @param timestamp timestamp in AVStream.time_base units
// * or if there is no stream specified then in AV_TIME_BASE units.
// * @param flags Optional combination of AVSEEK_FLAG_BACKWARD, AVSEEK_FLAG_BYTE
// * and AVSEEK_FLAG_ANY. The protocol may silently ignore
// * AVSEEK_FLAG_BACKWARD and AVSEEK_FLAG_ANY, but AVSEEK_FLAG_BYTE will
// * fail if used and not supported.
// * @return >= 0 on success
// * @see AVInputFormat::read_seek
*)
// int64_t avio_seek_time(AVIOContext *h, int stream_index,
// int64_t timestamp, int flags);
implementation
uses ffm.lib;
function avio_open; external avformat_dll;
function avio_close; external avformat_dll;
end.

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@ -1,255 +0,0 @@
unit ffm.avutil;
{$i ffmpeg.inc}
interface
uses
ffm.rational, ffm.ctypes;
(*
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of ffm.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
(*
* @mainpage
*
* @section ffmpeg_intro Introduction
*
* This document describes the usage of the different libraries
* provided by ffm.
*
* @li @ref libavc "libavcodec" encoding/decoding library
* @li @ref lavfi "libavfilter" graph-based frame editing library
* @li @ref libavf "libavformat" I/O and muxing/demuxing library
* @li @ref lavd "libavdevice" special devices muxing/demuxing library
* @li @ref lavu "libavutil" common utility library
* @li @ref lswr "libswresample" audio resampling, format conversion and mixing
* @li @ref lpp "libpostproc" post processing library
* @li @ref lsws "libswscale" color conversion and scaling library
*
* @section ffmpeg_versioning Versioning and compatibility
*
* Each of the FFmpeg libraries contains a version.h header, which defines a
* major, minor and micro version number with the
* <em>LIBRARYNAME_VERSION_{MAJOR,MINOR,MICRO}</em> macros. The major version
* number is incremented with backward incompatible changes - e.g. removing
* parts of the public API, reordering public struct members, etc. The minor
* version number is incremented for backward compatible API changes or major
* new features - e.g. adding a new public function or a new decoder. The micro
* version number is incremented for smaller changes that a calling program
* might still want to check for - e.g. changing behavior in a previously
* unspecified situation.
*
* FFmpeg guarantees backward API and ABI compatibility for each library as long
* as its major version number is unchanged. This means that no public symbols
* will be removed or renamed. Types and names of the public struct members and
* values of public macros and enums will remain the same (unless they were
* explicitly declared as not part of the public API). Documented behavior will
* not change.
*
* In other words, any correct program that works with a given FFmpeg snapshot
* should work just as well without any changes with any later snapshot with the
* same major versions. This applies to both rebuilding the program against new
* FFmpeg versions or to replacing the dynamic FFmpeg libraries that a program
* links against.
*
* However, new public symbols may be added and new members may be appended to
* public structs whose size is not part of public ABI (most public structs in
* FFmpeg). New macros and enum values may be added. Behavior in undocumented
* situations may change slightly (and be documented). All those are accompanied
* by an entry in doc/APIchanges and incrementing either the minor or micro
* version number.
*)
(*
* Return the LIBAVUTIL_VERSION_INT constant.
*)
// unsigned avutil_version(void);
//
(*
* Return the libavutil build-time configuration.
*)
// const char *avutil_configuration(void);
//
(*
* Return the libavutil license.
*)
// const char *avutil_license(void);
//
(*
* @addtogroup lavu_media Media Type
* @brief Media Type
*)
Type
TAVMediaType = ( //
AVMEDIA_TYPE_UNKNOWN = -1,
/// < Usually treated as AVMEDIA_TYPE_DATA
AVMEDIA_TYPE_VIDEO, //
AVMEDIA_TYPE_AUDIO, //
AVMEDIA_TYPE_DATA, //
/// < Opaque data information usually continuous
AVMEDIA_TYPE_SUBTITLE, //
AVMEDIA_TYPE_ATTACHMENT, //
/// < Opaque data information usually sparse
AVMEDIA_TYPE_NB);
//
(*
* Return a string describing the media_type enum, NULL if media_type
* is unknown.
*)
// const char *av_get_media_type_string(enum AVMediaType media_type);
//
(*
* @defgroup lavu_const Constants
* @{
*
* @defgroup lavu_enc Encoding specific
*
* @note those definition should move to avcodec
* @{
*)
const
FF_LAMBDA_SHIFT = 7;
FF_LAMBDA_SCALE = 1 shl FF_LAMBDA_SHIFT;
FF_QP2LAMBDA = 118;
/// < factor to convert from H.263 QP to lambda
FF_LAMBDA_MAX = (256 * 128 - 1);
FF_QUALITY_SCALE = FF_LAMBDA_SCALE; // FIXME maybe remove
(*
// * @}
// * @defgroup lavu_time Timestamp specific
// *
// * FFmpeg internal timebase and timestamp definitions
// *
// * @{
*)
(*
* @brief Undefined timestamp value
*
* Usually reported by demuxer that work on containers that do not provide
* either pts or dts.
*)
AV_NOPTS_VALUE = $8000000000000000;
(*
* Internal time base represented as integer
*)
AV_TIME_BASE = 1000000;
(*
* Internal time base represented as fractional value
*)
AV_TIME_BASE_Q: TAVRational = (num: 1; den: AV_TIME_BASE);
//
(*
// * @}
// * @}
// * @defgroup lavu_picture Image related
// *
// * AVPicture types, pixel formats and basic image planes manipulation.
// *
// * @{
*)
Type
pAVPictureType = ^TAVPictureType;
TAVPictureType = ( //
AV_PICTURE_TYPE_NONE = 0,
/// < Undefined
AV_PICTURE_TYPE_I,
/// < Intra
AV_PICTURE_TYPE_P,
/// < Predicted
AV_PICTURE_TYPE_B,
/// < Bi-dir predicted
AV_PICTURE_TYPE_S,
/// < S(GMC)-VOP MPEG4
AV_PICTURE_TYPE_SI,
/// < Switching Intra
AV_PICTURE_TYPE_SP,
/// < Switching Predicted
AV_PICTURE_TYPE_BI
/// < BI type
);
(*
* Return a single letter to describe the given picture type
* pict_type.
*
* @param[in] pict_type the picture type @return a single character
* representing the picture type, '?' if pict_type is unknown
*)
// char av_get_picture_type_char(enum AVPictureType pict_type);
// #include "common.h"
// #include "error.h"
// #include "version.h"
// #include "mathematics.h"
// #include "rational.h"
// #include "intfloat_readwrite.h"
// #include "log.h"
// #include "pixfmt.h"
//
(*
// * Return x default pointer in case p is NULL.
*)
// static inline void *av_x_if_null(const void *p, const void *x)
// {
// return (void *)(intptr_t)(p ? p : x);
// }
//
(*
* Compute the length of an integer list.
*
* @param elsize size in bytes of each list element (only 1, 2, 4 or 8)
* @param term list terminator (usually 0 or -1)
* @param list pointer to the list
* @return length of the list, in elements, not counting the terminator
*)
// unsigned av_int_list_length_for_size(unsigned elsize,
// const void *list, uint64_t term) av_pure;
function av_int_list_length_for_size(elsize: Cardinal; const list: Pointer; term: uint64_t): Cardinal; cdecl;
(*
// * Compute the length of an integer list.
// *
// * @param term list terminator (usually 0 or -1)
// * @param list pointer to the list
// * @return length of the list, in elements, not counting the terminator
*)
// #define av_int_list_length(list, term) \
// av_int_list_length_for_size(sizeof(*(list)), list, term)
//
(*
// * Open a file using a UTF-8 filename.
// * The API of this function matches POSIX fopen(), errors are returned through
// * errno.
*)
// FILE *av_fopen_utf8(const char *path, const char *mode);
implementation
uses ffm.lib;
function av_int_list_length_for_size; external avutil_dll;
end.

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@ -1,285 +0,0 @@
unit ffm.buffer;
{$i ffmpeg.inc}
interface
/// *
// * This file is part of ffm.
// *
// * FFmpeg is free software; you can redistribute it and/or
// * modify it under the terms of the GNU Lesser General Public
// * License as published by the Free Software Foundation; either
// * version 2.1 of the License, or (at your option) any later version.
// *
// * FFmpeg is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// * Lesser General Public License for more details.
// *
// * You should have received a copy of the GNU Lesser General Public
// * License along with FFmpeg; if not, write to the Free Software
// * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
// */
//
/// **
// * @file
// * @ingroup lavu_buffer
// * refcounted data buffer API
// */
//
// #ifndef AVUTIL_BUFFER_H
// #define AVUTIL_BUFFER_H
//
// #include <stdint.h>
//
/// **
// * @defgroup lavu_buffer AVBuffer
// * @ingroup lavu_data
// *
// * @{
// * AVBuffer is an API for reference-counted data buffers.
// *
// * There are two core objects in this API -- AVBuffer and AVBufferRef. AVBuffer
// * represents the data buffer itself; it is opaque and not meant to be accessed
// * by the caller directly, but only through AVBufferRef. However, the caller may
// * e.g. compare two AVBuffer pointers to check whether two different references
// * are describing the same data buffer. AVBufferRef represents a single
// * reference to an AVBuffer and it is the object that may be manipulated by the
// * caller directly.
// *
// * There are two functions provided for creating a new AVBuffer with a single
// * reference -- av_buffer_alloc() to just allocate a new buffer, and
// * av_buffer_create() to wrap an existing array in an AVBuffer. From an existing
// * reference, additional references may be created with av_buffer_ref().
// * Use av_buffer_unref() to free a reference (this will automatically free the
// * data once all the references are freed).
// *
// * The convention throughout this API and the rest of FFmpeg is such that the
// * buffer is considered writable if there exists only one reference to it (and
// * it has not been marked as read-only). The av_buffer_is_writable() function is
// * provided to check whether this is true and av_buffer_make_writable() will
// * automatically create a new writable buffer when necessary.
// * Of course nothing prevents the calling code from violating this convention,
// * however that is safe only when all the existing references are under its
// * control.
// *
// * @note Referencing and unreferencing the buffers is thread-safe and thus
// * may be done from multiple threads simultaneously without any need for
// * additional locking.
// *
// * @note Two different references to the same buffer can point to different
// * parts of the buffer (i.e. their AVBufferRef.data will not be equal).
// */
//
/// **
// * A reference counted buffer type. It is opaque and is meant to be used through
// * references (AVBufferRef).
// */
Type
pAVBuffer = Pointer;
(*
* A reference to a data buffer.
*
* The size of this struct is not a part of the public ABI and it is not meant
* to be allocated directly.
*)
pAVBufferRef = ^TAVBufferRef;
ppAVBufferRef = ^pAVBufferRef;
TAVBufferRef = {packed} record
buffer: pAVBuffer;
(*
* The data buffer. It is considered writable if and only if
* this is the only reference to the buffer, in which case
* av_buffer_is_writable() returns 1.
*)
data: pByte;
(*
* Size of data in bytes.
*)
size: Integer;
end;
/// **
// * Allocate an AVBuffer of the given size using av_malloc().
// *
// * @return an AVBufferRef of given size or NULL when out of memory
// */
// AVBufferRef *av_buffer_alloc(int size);
//
/// **
// * Same as av_buffer_alloc(), except the returned buffer will be initialized
// * to zero.
// */
// AVBufferRef *av_buffer_allocz(int size);
//
/// **
// * Always treat the buffer as read-only, even when it has only one
// * reference.
// */
// #define AV_BUFFER_FLAG_READONLY (1 << 0)
//
/// **
// * Create an AVBuffer from an existing array.
// *
// * If this function is successful, data is owned by the AVBuffer. The caller may
// * only access data through the returned AVBufferRef and references derived from
// * it.
// * If this function fails, data is left untouched.
// * @param data data array
// * @param size size of data in bytes
// * @param free a callback for freeing this buffer's data
// * @param opaque parameter to be got for processing or passed to free
// * @param flags a combination of AV_BUFFER_FLAG_*
// *
// * @return an AVBufferRef referring to data on success, NULL on failure.
// */
// AVBufferRef *av_buffer_create(uint8_t *data, int size,
// void (*free)(void *opaque, uint8_t *data),
// void *opaque, int flags);
//
/// **
// * Default free callback, which calls av_free() on the buffer data.
// * This function is meant to be passed to av_buffer_create(), not called
// * directly.
// */
// void av_buffer_default_free(void *opaque, uint8_t *data);
//
/// **
// * Create a new reference to an AVBuffer.
// *
// * @return a new AVBufferRef referring to the same AVBuffer as buf or NULL on
// * failure.
// */
// AVBufferRef *av_buffer_ref(AVBufferRef *buf);
//
/// **
// * Free a given reference and automatically free the buffer if there are no more
// * references to it.
// *
// * @param buf the reference to be freed. The pointer is set to NULL on return.
// */
// void av_buffer_unref(AVBufferRef **buf);
//
/// **
// * @return 1 if the caller may write to the data referred to by buf (which is
// * true if and only if buf is the only reference to the underlying AVBuffer).
// * Return 0 otherwise.
// * A positive answer is valid until av_buffer_ref() is called on buf.
// */
// int av_buffer_is_writable(const AVBufferRef *buf);
//
/// **
// * @return the opaque parameter set by av_buffer_create.
// */
// void *av_buffer_get_opaque(const AVBufferRef *buf);
//
// int av_buffer_get_ref_count(const AVBufferRef *buf);
//
/// **
// * Create a writable reference from a given buffer reference, avoiding data copy
// * if possible.
// *
// * @param buf buffer reference to make writable. On success, buf is either left
// * untouched, or it is unreferenced and a new writable AVBufferRef is
// * written in its place. On failure, buf is left untouched.
// * @return 0 on success, a negative AVERROR on failure.
// */
// int av_buffer_make_writable(AVBufferRef **buf);
//
/// **
// * Reallocate a given buffer.
// *
// * @param buf a buffer reference to reallocate. On success, buf will be
// * unreferenced and a new reference with the required size will be
// * written in its place. On failure buf will be left untouched. *buf
// * may be NULL, then a new buffer is allocated.
// * @param size required new buffer size.
// * @return 0 on success, a negative AVERROR on failure.
// *
// * @note the buffer is actually reallocated with av_realloc() only if it was
// * initially allocated through av_buffer_realloc(NULL) and there is only one
// * reference to it (i.e. the one passed to this function). In all other cases
// * a new buffer is allocated and the data is copied.
// */
// int av_buffer_realloc(AVBufferRef **buf, int size);
//
/// **
// * @}
// */
//
/// **
// * @defgroup lavu_bufferpool AVBufferPool
// * @ingroup lavu_data
// *
// * @{
// * AVBufferPool is an API for a lock-free thread-safe pool of AVBuffers.
// *
// * Frequently allocating and freeing large buffers may be slow. AVBufferPool is
// * meant to solve this in cases when the caller needs a set of buffers of the
// * same size (the most obvious use case being buffers for raw video or audio
// * frames).
// *
// * At the beginning, the user must call av_buffer_pool_init() to create the
// * buffer pool. Then whenever a buffer is needed, call av_buffer_pool_get() to
// * get a reference to a new buffer, similar to av_buffer_alloc(). This new
// * reference works in all aspects the same way as the one created by
// * av_buffer_alloc(). However, when the last reference to this buffer is
// * unreferenced, it is returned to the pool instead of being freed and will be
// * reused for subsequent av_buffer_pool_get() calls.
// *
// * When the caller is done with the pool and no longer needs to allocate any new
// * buffers, av_buffer_pool_uninit() must be called to mark the pool as freeable.
// * Once all the buffers are released, it will automatically be freed.
// *
// * Allocating and releasing buffers with this API is thread-safe as long as
// * either the default alloc callback is used, or the user-supplied one is
// * thread-safe.
// */
//
/// **
// * The buffer pool. This structure is opaque and not meant to be accessed
// * directly. It is allocated with av_buffer_pool_init() and freed with
// * av_buffer_pool_uninit().
// */
// typedef struct AVBufferPool AVBufferPool;
//
/// **
// * Allocate and initialize a buffer pool.
// *
// * @param size size of each buffer in this pool
// * @param alloc a function that will be used to allocate new buffers when the
// * pool is empty. May be NULL, then the default allocator will be used
// * (av_buffer_alloc()).
// * @return newly created buffer pool on success, NULL on error.
// */
// AVBufferPool *av_buffer_pool_init(int size, AVBufferRef* (*alloc)(int size));
//
/// **
// * Mark the pool as being available for freeing. It will actually be freed only
// * once all the allocated buffers associated with the pool are released. Thus it
// * is safe to call this function while some of the allocated buffers are still
// * in use.
// *
// * @param pool pointer to the pool to be freed. It will be set to NULL.
// * @see av_buffer_pool_can_uninit()
// */
// void av_buffer_pool_uninit(AVBufferPool **pool);
//
/// **
// * Allocate a new AVBuffer, reusing an old buffer from the pool when available.
// * This function may be called simultaneously from multiple threads.
// *
// * @return a reference to the new buffer on success, NULL on error.
// */
// AVBufferRef *av_buffer_pool_get(AVBufferPool *pool);
//
/// **
// * @}
// */
implementation
end.

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(*
* This file is part of ffm.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
unit ffm.buffersink;
{$i ffmpeg.inc}
interface
uses
ffm.pixfmt, ffm.avfilter, ffm.frame;
// #if FF_API_AVFILTERBUFFER
// (*
// * Get an audio/video buffer data from buffer_sink and put it in bufref.
// *
// * This function works with both audio and video buffer sinks.
// *
// * @param buffer_sink pointer to a buffersink or abuffersink context
// * @param flags a combination of AV_BUFFERSINK_FLAG_* flags
// * @return >= 0 in case of success, a negative AVERROR code in case of
// * failure
// *)
// attribute_deprecated
// int av_buffersink_get_buffer_ref(AVFilterContext *buffer_sink,
// AVFilterBufferRef **bufref, int flags);
//
// (*
// * Get the number of immediately available frames.
// *)
// attribute_deprecated
// int av_buffersink_poll_frame(AVFilterContext *ctx);
//
// (*
// * Get a buffer with filtered data from sink and put it in buf.
// *
// * @param ctx pointer to a context of a buffersink or abuffersink AVFilter.
// * @param buf pointer to the buffer will be written here if buf is non-NULL. buf
// * must be freed by the caller using avfilter_unref_buffer().
// * Buf may also be NULL to query whether a buffer is ready to be
// * output.
// *
// * @return >= 0 in case of success, a negative AVERROR code in case of
// * failure.
// *)
// attribute_deprecated
// int av_buffersink_read(AVFilterContext *ctx, AVFilterBufferRef **buf);
//
// (*
// * Same as av_buffersink_read, but with the ability to specify the number of
// * samples read. This function is less efficient than av_buffersink_read(),
// * because it copies the data around.
// *
// * @param ctx pointer to a context of the abuffersink AVFilter.
// * @param buf pointer to the buffer will be written here if buf is non-NULL. buf
// * must be freed by the caller using avfilter_unref_buffer(). buf
// * will contain exactly nb_samples audio samples, except at the end
// * of stream, when it can contain less than nb_samples.
// * Buf may also be NULL to query whether a buffer is ready to be
// * output.
// *
// * @warning do not mix this function with av_buffersink_read(). Use only one or
// * the other with a single sink, not both.
// *)
// attribute_deprecated
// int av_buffersink_read_samples(AVFilterContext *ctx, AVFilterBufferRef **buf,
// int nb_samples);
// #endif
//
// (*
// * Get a frame with filtered data from sink and put it in frame.
// *
// * @param ctx pointer to a buffersink or abuffersink filter context.
// * @param frame pointer to an allocated frame that will be filled with data.
// * The data must be freed using av_frame_unref() / av_frame_free()
// * @param flags a combination of AV_BUFFERSINK_FLAG_* flags
// *
// * @return >= 0 in for success, a negative AVERROR code for failure.
// *)
// int av_buffersink_get_frame_flags(AVFilterContext *ctx, AVFrame *frame, int flags);
function av_buffersink_get_frame_flags(ctx: pAVFilterContext; frame: pAVFrame; flags: Integer): Integer; cdecl;
//
// (*
// * Tell av_buffersink_get_buffer_ref() to read video/samples buffer
// * reference, but not remove it from the buffer. This is useful if you
// * need only to read a video/samples buffer, without to fetch it.
// *)
// #define AV_BUFFERSINK_FLAG_PEEK 1
//
// (*
// * Tell av_buffersink_get_buffer_ref() not to request a frame from its input.
// * If a frame is already buffered, it is read (and removed from the buffer),
// * but if no frame is present, return AVERROR(EAGAIN).
// *)
// #define AV_BUFFERSINK_FLAG_NO_REQUEST 2
Type
(*
* Struct to use for initializing a buffersink context.
*)
pAVBufferSinkParams = ^TAVBufferSinkParams;
TAVBufferSinkParams = {packed} record
pixel_fmts: pAVPixelFormat;
/// < list of allowed pixel formats, terminated by AV_PIX_FMT_NONE
end;
(*
* Create an AVBufferSinkParams structure.
*
* Must be freed with av_free().
*)
// AVBufferSinkParams *av_buffersink_params_alloc(void);
function av_buffersink_params_alloc(): pAVBufferSinkParams; cdecl;
// (*
// * Struct to use for initializing an abuffersink context.
// *)
// typedef struct {
// const enum AVSampleFormat *sample_fmts; ///< list of allowed sample formats, terminated by AV_SAMPLE_FMT_NONE
// const int64_t *channel_layouts; ///< list of allowed channel layouts, terminated by -1
// const int *channel_counts; ///< list of allowed channel counts, terminated by -1
// int all_channel_counts; ///< if not 0, accept any channel count or layout
// int *sample_rates; ///< list of allowed sample rates, terminated by -1
// } AVABufferSinkParams;
//
// (*
// * Create an AVABufferSinkParams structure.
// *
// * Must be freed with av_free().
// *)
// AVABufferSinkParams *av_abuffersink_params_alloc(void);
//
// (*
// * Set the frame size for an audio buffer sink.
// *
// * All calls to av_buffersink_get_buffer_ref will return a buffer with
// * exactly the specified number of samples, or AVERROR(EAGAIN) if there is
// * not enough. The last buffer at EOF will be padded with 0.
// *)
// void av_buffersink_set_frame_size(AVFilterContext *ctx, unsigned frame_size);
//
// (*
// * Get the frame rate of the input.
// *)
// AVRational av_buffersink_get_frame_rate(AVFilterContext *ctx);
//
// (*
// * Get a frame with filtered data from sink and put it in frame.
// *
// * @param ctx pointer to a context of a buffersink or abuffersink AVFilter.
// * @param frame pointer to an allocated frame that will be filled with data.
// * The data must be freed using av_frame_unref() / av_frame_free()
// *
// * @return >= 0 in case of success, a negative AVERROR code in case of
// * failure.
// *)
// int av_buffersink_get_frame(AVFilterContext *ctx, AVFrame *frame);
function av_buffersink_get_frame(ctx:pAVFilterContext; frame:pAVFrame):integer;cdecl;
//
// (*
// * Same as av_buffersink_get_frame(), but with the ability to specify the number
// * of samples read. This function is less efficient than
// * av_buffersink_get_frame(), because it copies the data around.
// *
// * @param ctx pointer to a context of the abuffersink AVFilter.
// * @param frame pointer to an allocated frame that will be filled with data.
// * The data must be freed using av_frame_unref() / av_frame_free()
// * frame will contain exactly nb_samples audio samples, except at
// * the end of stream, when it can contain less than nb_samples.
// *
// * @warning do not mix this function with av_buffersink_get_frame(). Use only one or
// * the other with a single sink, not both.
// *)
// int av_buffersink_get_samples(AVFilterContext *ctx, AVFrame *frame, int nb_samples);
implementation
uses ffm.lib;
function av_buffersink_params_alloc; external avfilter_dll;
function av_buffersink_get_frame_flags; external avfilter_dll;
function av_buffersink_get_frame; external avfilter_dll;
end.

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(*
*
* This file is part of ffm.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
unit ffm.buffersrc;
{$i ffmpeg.inc}
interface
uses
ffm.frame, ffm.avfilter;
const
(*
* Do not check for format changes.
*)
AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT = 1;
{$IFDEF FF_API_AVFILTERBUFFER}
(*
* Ignored
*)
AV_BUFFERSRC_FLAG_NO_COPY = 2;
{$ENDIF}
(*
* Immediately push the frame to the output.
*)
AV_BUFFERSRC_FLAG_PUSH = 4;
(*
* Keep a reference to the frame.
* If the frame if reference-counted, create a new reference; otherwise
* copy the frame data.
*)
AV_BUFFERSRC_FLAG_KEEP_REF = 8;
(*
* Add buffer data in picref to buffer_src.
*
* @param buffer_src pointer to a buffer source context
* @param picref a buffer reference, or NULL to mark EOF
* @param flags a combination of AV_BUFFERSRC_FLAG_*
* @return >= 0 in case of success, a negative AVERROR code
* in case of failure
*)
// int av_buffersrc_add_ref(AVFilterContext *buffer_src,
// AVFilterBufferRef *picref, int flags);
(*
* Get the number of failed requests.
*
* A failed request is when the request_frame method is called while no
* frame is present in the buffer.
* The number is reset when a frame is added.
*)
// unsigned av_buffersrc_get_nb_failed_requests(AVFilterContext *buffer_src);
// #if FF_API_AVFILTERBUFFER
(*
* Add a buffer to the filtergraph s.
*
* @param buf buffer containing frame data to be passed down the filtergraph.
* This function will take ownership of buf, the user must not free it.
* A NULL buf signals EOF -- i.e. no more frames will be sent to this filter.
*
* @deprecated use av_buffersrc_write_frame() or av_buffersrc_add_frame()
*)
// attribute_deprecated
// int av_buffersrc_buffer(AVFilterContext *s, AVFilterBufferRef *buf);
// #endif
(*
* Add a frame to the buffer source.
*
* @param s an instance of the buffersrc filter.
* @param frame frame to be added. If the frame is reference counted, this
* function will make a new reference to it. Otherwise the frame data will be
* copied.
*
* @return 0 on success, a negative AVERROR on error
*
* This function is equivalent to av_buffersrc_add_frame_flags() with the
* AV_BUFFERSRC_FLAG_KEEP_REF flag.
*)
// int av_buffersrc_write_frame(AVFilterContext *s, const AVFrame *frame);
(*
* Add a frame to the buffer source.
*
* @param s an instance of the buffersrc filter.
* @param frame frame to be added. If the frame is reference counted, this
* function will take ownership of the reference(s) and reset the frame.
* Otherwise the frame data will be copied. If this function returns an error,
* the input frame is not touched.
*
* @return 0 on success, a negative AVERROR on error.
*
* @note the difference between this function and av_buffersrc_write_frame() is
* that av_buffersrc_write_frame() creates a new reference to the input frame,
* while this function takes ownership of the reference passed to it.
*
* This function is equivalent to av_buffersrc_add_frame_flags() without the
* AV_BUFFERSRC_FLAG_KEEP_REF flag.
*)
// int av_buffersrc_add_frame(AVFilterContext *ctx, AVFrame *frame);
(*
* Add a frame to the buffer source.
*
* By default, if the frame is reference-counted, this function will take
* ownership of the reference(s) and reset the frame. This can be controled
* using the flags.
*
* If this function returns an error, the input frame is not touched.
*
* @param buffer_src pointer to a buffer source context
* @param frame a frame, or NULL to mark EOF
* @param flags a combination of AV_BUFFERSRC_FLAG_*
* @return >= 0 in case of success, a negative AVERROR code
* in case of failure
*)
// int av_buffersrc_add_frame_flags(AVFilterContext *buffer_src,
// AVFrame *frame, int flags);
function av_buffersrc_add_frame_flags(buffer_src: pAVFilterContext; frame: pAVFrame; flags: Integer): Integer; cdecl;
implementation
uses ffm.lib;
function av_buffersrc_add_frame_flags; external avfilter_dll;
end.

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(*
* Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
* Copyright (c) 2008 Peter Ross
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
unit ffm.channel_layout;
{$i ffmpeg.inc}
interface
Uses
ffm.ctypes;
(* *
* @file
* audio channel layout utility functions
*)
(* *
* @addtogroup lavu_audio
* @{
*)
(* *
* @defgroup channel_masks Audio channel masks
*
* A channel layout is a 64-bits integer with a bit set for every channel.
* The number of bits set must be equal to the number of channels.
* The value 0 means that the channel layout is not known.
* @note this data structure is not powerful enough to handle channels
* combinations that have the same channel multiple times, such as
* dual-mono.
*
* @{
*)
Const
AV_CH_FRONT_LEFT = $00000001;
AV_CH_FRONT_RIGHT = $00000002;
AV_CH_FRONT_CENTER = $00000004;
AV_CH_LOW_FREQUENCY = $00000008;
AV_CH_BACK_LEFT = $00000010;
AV_CH_BACK_RIGHT = $00000020;
AV_CH_FRONT_LEFT_OF_CENTER = $00000040;
AV_CH_FRONT_RIGHT_OF_CENTER = $00000080;
AV_CH_BACK_CENTER = $00000100;
AV_CH_SIDE_LEFT = $00000200;
AV_CH_SIDE_RIGHT = $00000400;
AV_CH_TOP_CENTER = $00000800;
AV_CH_TOP_FRONT_LEFT = $00001000;
AV_CH_TOP_FRONT_CENTER = $00002000;
AV_CH_TOP_FRONT_RIGHT = $00004000;
AV_CH_TOP_BACK_LEFT = $00008000;
AV_CH_TOP_BACK_CENTER = $00010000;
AV_CH_TOP_BACK_RIGHT = $00020000;
AV_CH_STEREO_LEFT = $20000000;
/// < Stereo downmix.
AV_CH_STEREO_RIGHT = $40000000;
/// < See AV_CH_STEREO_LEFT.
AV_CH_WIDE_LEFT = $0000000080000000;
AV_CH_WIDE_RIGHT = $0000000100000000;
AV_CH_SURROUND_DIRECT_LEFT = $0000000200000000;
AV_CH_SURROUND_DIRECT_RIGHT = $0000000400000000;
AV_CH_LOW_FREQUENCY_2 = $0000000800000000;
(* * Channel mask value used for AVCodecContext.request_channel_layout
to indicate that the user requests the channel order of the decoder output
to be the native codec channel order. *)
AV_CH_LAYOUT_NATIVE = $8000000000000000;
(* *
* @}
* @defgroup channel_mask_c Audio channel convenience macros
* @{
* *)
AV_CH_LAYOUT_MONO = (AV_CH_FRONT_CENTER);
AV_CH_LAYOUT_STEREO = (AV_CH_FRONT_LEFT or AV_CH_FRONT_RIGHT);
AV_CH_LAYOUT_2POINT1 = (AV_CH_LAYOUT_STEREO or AV_CH_LOW_FREQUENCY);
AV_CH_LAYOUT_2_1 = (AV_CH_LAYOUT_STEREO or AV_CH_BACK_CENTER);
AV_CH_LAYOUT_SURROUND = (AV_CH_LAYOUT_STEREO or AV_CH_FRONT_CENTER);
AV_CH_LAYOUT_3POINT1 = (AV_CH_LAYOUT_SURROUND or AV_CH_LOW_FREQUENCY);
AV_CH_LAYOUT_4POINT0 = (AV_CH_LAYOUT_SURROUND or AV_CH_BACK_CENTER);
AV_CH_LAYOUT_4POINT1 = (AV_CH_LAYOUT_4POINT0 or AV_CH_LOW_FREQUENCY);
AV_CH_LAYOUT_2_2 = (AV_CH_LAYOUT_STEREO or AV_CH_SIDE_LEFT or AV_CH_SIDE_RIGHT);
AV_CH_LAYOUT_QUAD = (AV_CH_LAYOUT_STEREO or AV_CH_BACK_LEFT or AV_CH_BACK_RIGHT);
AV_CH_LAYOUT_5POINT0 = (AV_CH_LAYOUT_SURROUND or AV_CH_SIDE_LEFT or AV_CH_SIDE_RIGHT);
AV_CH_LAYOUT_5POINT1 = (AV_CH_LAYOUT_5POINT0 or AV_CH_LOW_FREQUENCY);
AV_CH_LAYOUT_5POINT0_BACK = (AV_CH_LAYOUT_SURROUND or AV_CH_BACK_LEFT or AV_CH_BACK_RIGHT);
AV_CH_LAYOUT_5POINT1_BACK = (AV_CH_LAYOUT_5POINT0_BACK or AV_CH_LOW_FREQUENCY);
AV_CH_LAYOUT_6POINT0 = (AV_CH_LAYOUT_5POINT0 or AV_CH_BACK_CENTER);
AV_CH_LAYOUT_6POINT0_FRONT = (AV_CH_LAYOUT_2_2 or AV_CH_FRONT_LEFT_OF_CENTER or AV_CH_FRONT_RIGHT_OF_CENTER);
AV_CH_LAYOUT_HEXAGONAL = (AV_CH_LAYOUT_5POINT0_BACK or AV_CH_BACK_CENTER);
AV_CH_LAYOUT_6POINT1 = (AV_CH_LAYOUT_5POINT1 or AV_CH_BACK_CENTER);
AV_CH_LAYOUT_6POINT1_BACK = (AV_CH_LAYOUT_5POINT1_BACK or AV_CH_BACK_CENTER);
AV_CH_LAYOUT_6POINT1_FRONT = (AV_CH_LAYOUT_6POINT0_FRONT or AV_CH_LOW_FREQUENCY);
AV_CH_LAYOUT_7POINT0 = (AV_CH_LAYOUT_5POINT0 or AV_CH_BACK_LEFT or AV_CH_BACK_RIGHT);
AV_CH_LAYOUT_7POINT0_FRONT = (AV_CH_LAYOUT_5POINT0 or AV_CH_FRONT_LEFT_OF_CENTER or AV_CH_FRONT_RIGHT_OF_CENTER);
AV_CH_LAYOUT_7POINT1 = (AV_CH_LAYOUT_5POINT1 or AV_CH_BACK_LEFT or AV_CH_BACK_RIGHT);
AV_CH_LAYOUT_7POINT1_WIDE = (AV_CH_LAYOUT_5POINT1 or AV_CH_FRONT_LEFT_OF_CENTER or AV_CH_FRONT_RIGHT_OF_CENTER);
AV_CH_LAYOUT_7POINT1_WIDE_BACK = (AV_CH_LAYOUT_5POINT1_BACK or AV_CH_FRONT_LEFT_OF_CENTER or
AV_CH_FRONT_RIGHT_OF_CENTER);
AV_CH_LAYOUT_OCTAGONAL = (AV_CH_LAYOUT_5POINT0 or AV_CH_BACK_LEFT or AV_CH_BACK_CENTER or AV_CH_BACK_RIGHT);
AV_CH_LAYOUT_STEREO_DOWNMIX = (AV_CH_STEREO_LEFT or AV_CH_STEREO_RIGHT);
Type
TAVMatrixEncoding = ( //
AV_MATRIX_ENCODING_NONE, //
AV_MATRIX_ENCODING_DOLBY, //
AV_MATRIX_ENCODING_DPLII, //
AV_MATRIX_ENCODING_DPLIIX, //
AV_MATRIX_ENCODING_DPLIIZ, //
AV_MATRIX_ENCODING_DOLBYEX, //
AV_MATRIX_ENCODING_DOLBYHEADPHONE, //
AV_MATRIX_ENCODING_NB);
(* *
* @}
*)
(* *
* Return a channel layout id that matches name, or 0 if no match is found.
*
* name can be one or several of the following notations,
* separated by '+' or ' or ':
* - the name of an usual channel layout (mono, stereo, 4.0, quad, 5.0,
* 5.0(side), 5.1, 5.1(side), 7.1, 7.1(wide), downmix);
* - the name of a single channel (FL, FR, FC, LFE, BL, BR, FLC, FRC, BC,
* SL, SR, TC, TFL, TFC, TFR, TBL, TBC, TBR, DL, DR);
* - a number of channels, in decimal, optionally followed by 'c', yielding
* the default channel layout for that number of channels (@see
* av_get_default_channel_layout);
* - a channel layout mask, in hexadecimal starting with "$" (see the
* AV_CH_* macros).
*
* @warning Starting from the next major bump the trailing character
* 'c' to specify a number of channels will be required, while a
* channel layout mask could also be specified as a decimal number
* (if and only if not followed by "c").
*
* Example: "stereo+FC" = "2c+FC" = "2c+1c" = "$7"
*)
// uint64_t av_get_channel_layout(const char *name);
(* *
* Return a description of a channel layout.
* If nb_channels is <= 0, it is guessed from the channel_layout.
*
* @param buf put here the string containing the channel layout
* @param buf_size size in bytes of the buffer
*)
// void av_get_channel_layout_string(char *buf, int buf_size, int nb_channels, uint64_t channel_layout);
// struct AVBPrint;
(* *
* Append a description of a channel layout to a bprint buffer.
*)
// void av_bprint_channel_layout(struct AVBPrint *bp, int nb_channels, uint64_t channel_layout);
(* *
* Return the number of channels in the channel layout.
*)
// int av_get_channel_layout_nb_channels(uint64_t channel_layout);
function av_get_channel_layout_nb_channels(channel_layout: uint64_t): Integer; cdecl;
(* *
* Return default channel layout for a given number of channels.
*)
// int64_t av_get_default_channel_layout(int nb_channels);
(* *
* Get the index of a channel in channel_layout.
*
* @param channel a channel layout describing exactly one channel which must be
* present in channel_layout.
*
* @return index of channel in channel_layout on success, a negative AVERROR
* on error.
*)
// int av_get_channel_layout_channel_index(uint64_t channel_layout,uint64_t channel);
(* *
* Get the channel with the given index in channel_layout.
*)
// uint64_t av_channel_layout_extract_channel(uint64_t channel_layout, int index);
(* *
* Get the name of a given channel.
*
* @return channel name on success, NULL on error.
*)
// const char *av_get_channel_name(uint64_t channel);
(* *
* Get the description of a given channel.
*
* @param channel a channel layout with a single channel
* @return channel description on success, NULL on error
*)
// const char *av_get_channel_description(uint64_t channel);
(* *
* Get the value and name of a standard channel layout.
*
* @param[in] index index in an internal list, starting at 0
* @param[out] layout channel layout mask
* @param[out] name name of the layout
* @return 0 if the layout exists,
* <0 if index is beyond the limits
*)
// int av_get_standard_channel_layout(unsigned index, uint64_t *layout, const char **name);
implementation
uses ffm.lib;
function av_get_channel_layout_nb_channels; external avutil_dll;
end.

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unit ffm.cls.videoencoder;
{$I OpenCV.inc}
{$POINTERMATH ON}
interface
Uses
ffm.libavcodec.avcodec,
ffm.pixfmt,
ffm.avformat,
ffm.swscale,
ffm.avio,
ffm.frame;
Type
TFFMVideoEncoder = class
private const
MAX_AUDIO_PACKET_SIZE = (128 * 1024);
private
// output file name
outputFilename: AnsiString;
// output format.
pOutFormat: pAVOutputFormat;
// format context
pFormatContext: pAVFormatContext;
// video stream context
pVideoStream: pAVStream;
// audio streams context
pAudioStream: pAVStream;
// convert context context
pImgConvertCtx: pSwsContext;
// encode buffer and size
pVideoEncodeBuffer: pByte;
nSizeVideoEncodeBuffer: Integer;
// audio buffer and size
pAudioEncodeBuffer: pByte;
nSizeAudioEncodeBuffer: Integer;
// count of sample
audioInputSampleSize: Integer;
// current picture
pCurrentPicture: pAVFrame;
// audio buffer. Save rest samples in audioBuffer from previous audio frame.
audioBuffer: pByte;
nAudioBufferSize: Integer;
nAudioBufferSizeCurrent: Integer;
W_VIDEO: Integer;
H_VIDEO: Integer;
fbit_rate: Integer;
ftime_base_den: Integer;
function flush_encoder: Integer;
protected
// Add video stream
function AddVideoStream(const pContext: pAVFormatContext; const codec_id: TAVCodecID): pAVStream;
// Open Video Stream
function OpenVideo(const oc: pAVFormatContext; const pStream: pAVStream): boolean;
// Allocate memory
function CreateFFmpegPicture(const pix_fmt: TAVPixelFormat; const nWidth, nHeight: Integer): pAVFrame;
// Close video stream
procedure CloseVideo(const pContext: pAVFormatContext; const pStream: pAVStream);
// Add audio stream
function AddAudioStream(const pContext: pAVFormatContext; const codec_id: TAVCodecID): pAVStream;
// Open audio stream
function OpenAudio(const pContext: pAVFormatContext; const pStream: pAVStream): boolean;
// close audio stream
procedure CloseAudio(const pContext: pAVFormatContext; const pStream: pAVStream);
// Add video frame
function AddVideoFrame(const pOutputFrame: pAVFrame; const pVideoCodec: pAVCodecContext): boolean;
// Add audio samples
function AddAudioSample(const pFormatContext: pAVFormatContext; const pStream: pAVStream; const soundBuffer: pByte;
const soundBufferSize: Integer): boolean;
// Free resourses.
procedure Free;
function NeedConvert(const framepixfmt: TAVPixelFormat): boolean;
public
constructor Create;
destructor Destroy; override;
// init output file
function InitFile(const inputFile: AnsiString; const container: AnsiString; const AW_VIDEO: Integer = 320;
const AH_VIDEO: Integer = 200): boolean;
// Set video params
procedure SetVideoParams(const atime_base_den: Integer = 25; const abit_rate: Integer = 2000000);
// Add video and audio data
function AddFrame(const frame: pAVFrame; const soundBuffer: pByte; const soundBufferSize: Integer;
const framepixfmt: TAVPixelFormat = AV_PIX_FMT_RGB24): boolean;
// end of output
function Finish: boolean;
end;
implementation
Uses
{$IFDEF MSWINDOWS}
Winapi.Windows,
{$ENDIF MSWINDOWS}
System.SysUtils,
System.AnsiStrings,
System.Math,
ffm.mem,
ffm.avutil,
ffm.samplefmt,
ffm.mathematics;
{ TNVRVideoEncoder }
function TFFMVideoEncoder.AddAudioSample(const pFormatContext: pAVFormatContext; const pStream: pAVStream; const soundBuffer: pByte;
const soundBufferSize: Integer): boolean;
Var
pCodecCxt: pAVCodecContext;
packSizeInSize: Integer; // DWORD;
nCountSamples: Integer;
nCurrentSize: Integer;
// nWriteSamples: Integer;
pSoundBuffer: pByte;
pAudioFrame: pAVFrame;
// nBufferShift: Integer;
nCurrentBufferSize: Integer;
pkt: TAVPacket;
nOutputSize, error: Integer;
begin
// pCodecCxt := nil;
Result := true;
pCodecCxt := pStream^.codec;
// Size of packet on bytes.
// FORMAT s16
packSizeInSize := soundBufferSize;
nCountSamples := soundBufferSize div av_get_bytes_per_sample(AV_SAMPLE_FMT_S16);
// Add current audio frame to previos.
CopyMemory(@audioBuffer[nAudioBufferSizeCurrent], soundBuffer, soundBufferSize);
nAudioBufferSizeCurrent := nAudioBufferSizeCurrent + soundBufferSize;
nCurrentSize := nAudioBufferSizeCurrent;
// nWriteSamples := 0;
pSoundBuffer := audioBuffer;
while (nCurrentSize >= packSizeInSize) do
begin
pAudioFrame := nil;
pAudioFrame := av_frame_alloc();//avcodec_alloc_frame();
// Audio frame should be equal or smaller pCodecCxt^.frame_size.
pAudioFrame^.nb_samples := min(pCodecCxt^.frame_size div av_get_bytes_per_sample(AV_SAMPLE_FMT_S16), nCountSamples);
// nBufferShift := nWriteSamples * av_get_bytes_per_sample(AV_SAMPLE_FMT_S16);
nCurrentBufferSize := pAudioFrame^.nb_samples * av_get_bytes_per_sample(AV_SAMPLE_FMT_S16);
if avcodec_fill_audio_frame(pAudioFrame, 1, AV_SAMPLE_FMT_S16, pSoundBuffer, nCurrentBufferSize, 1) <> 0 then
begin
Result := false;
break;
end;
av_init_packet(@pkt);
pkt.flags := pkt.flags or AV_PKT_FLAG_KEY;
pkt.stream_index := pStream^.index;
pkt.data := pAudioEncodeBuffer;
pkt.size := nSizeAudioEncodeBuffer;
nOutputSize := 0;
// Create encoded packet from audio frame.
error := avcodec_encode_audio2(pCodecCxt, @pkt, pAudioFrame, nOutputSize);
if (error = 0) and (nOutputSize > 0) then
begin
if Assigned(pCodecCxt^.coded_frame) and (pCodecCxt^.coded_frame^.pts <> AV_NOPTS_VALUE) then
pkt.pts := av_rescale_q(pCodecCxt^.coded_frame^.pts, pCodecCxt^.time_base, pStream^.time_base);
pkt.stream_index := pStream^.index;
// Write the compressed frame in the media file.
if (av_interleaved_write_frame(pFormatContext, @pkt) <> 0) then
begin
Result := false;
break;
end;
end;
nCurrentSize := nCurrentSize - nCurrentBufferSize;
pSoundBuffer := pSoundBuffer + nCurrentBufferSize;
// nWriteSamples := nWriteSamples + pAudioFrame^.nb_samples;
avcodec_free_frame(pAudioFrame);
end;
// save excess
CopyMemory(audioBuffer, @audioBuffer[nAudioBufferSizeCurrent - nCurrentSize], nCurrentSize);
nAudioBufferSizeCurrent := nCurrentSize;
end;
function TFFMVideoEncoder.AddAudioStream(const pContext: pAVFormatContext; const codec_id: TAVCodecID): pAVStream;
Var
pCodecCxt: pAVCodecContext;
begin
// pCodecCxt := nil;
// Result := nil;
// Try create stream.
Result := avformat_new_stream(pContext, nil);
if not Assigned(Result) then
begin
// printf("Cannot add new audio stream\n");
Exit(nil);
end;
// Codec.
pCodecCxt := Result^.codec;
pCodecCxt^.codec_id := codec_id;
pCodecCxt^.codec_type := AVMEDIA_TYPE_AUDIO;
// Set format
pCodecCxt^.bit_rate := 128000;
pCodecCxt^.sample_rate := 44100;
pCodecCxt^.channels := 1; // mono
pCodecCxt^.sample_fmt := AV_SAMPLE_FMT_S16;
nSizeAudioEncodeBuffer := 4 * MAX_AUDIO_PACKET_SIZE;
if not Assigned(pAudioEncodeBuffer) then
pAudioEncodeBuffer := av_malloc(nSizeAudioEncodeBuffer);
// Some formats want stream headers to be separate.
if (pContext^.oformat^.flags and AVFMT_GLOBALHEADER) <> 0 then
pCodecCxt^.flags := pCodecCxt^.flags or CODEC_FLAG_GLOBAL_HEADER;
end;
function TFFMVideoEncoder.AddFrame(const frame: pAVFrame; const soundBuffer: pByte; const soundBufferSize: Integer;
const framepixfmt: TAVPixelFormat): boolean;
Var
// nOutputSize: Integer;
pVideoCodec: pAVCodecContext;
begin
Result := true;
// nOutputSize := 0;
// pVideoCodec := nil;
if Assigned(pVideoStream) and Assigned(frame) and Assigned(frame^.data[0]) then
begin
pVideoCodec := pVideoStream^.codec;
if NeedConvert(framepixfmt) then
begin
// RGB to YUV420P.
if not Assigned(pImgConvertCtx) then
begin
pImgConvertCtx := sws_getContext(pVideoCodec^.width, pVideoCodec^.height, framepixfmt, pVideoCodec^.width, pVideoCodec^.height,
pVideoCodec^.pix_fmt, SWS_BICUBLIN, nil, nil, nil);
end;
// Allocate picture.
pCurrentPicture := CreateFFmpegPicture(pVideoCodec^.pix_fmt, pVideoCodec^.width, pVideoCodec^.height);
// if NeedConvert(framepixfmt) and Assigned(pImgConvertCtx) then
// begin
// Convert RGB to YUV.
sws_scale(pImgConvertCtx, @frame^.data, @frame^.linesize, 0, pVideoCodec^.height, @pCurrentPicture^.data, @pCurrentPicture^.linesize);
// end;
Result := AddVideoFrame(pCurrentPicture, pVideoStream^.codec);
// Free temp frame
av_free(pCurrentPicture^.data[0]);
av_free(pCurrentPicture);
pCurrentPicture := nil;
end
else
Result := AddVideoFrame(frame, pVideoStream^.codec);
end;
// Add sound
if Assigned(soundBuffer) and (soundBufferSize > 0) then
Result := AddAudioSample(pFormatContext, pAudioStream, soundBuffer, soundBufferSize);
end;
function TFFMVideoEncoder.AddVideoFrame(const pOutputFrame: pAVFrame; const pVideoCodec: pAVCodecContext): boolean;
Var
pkt: TAVPacket;
packet: TAVPacket;
nOutputSize: Integer;
error: Integer;
begin
// Result := false;
if (pFormatContext^.oformat^.flags and AVFMT_RAWPICTURE) <> 0 then
begin
// Raw video case. The API will change slightly in the near
// future for that.
av_init_packet(@pkt);
pkt.flags := pkt.flags or AV_PKT_FLAG_KEY;
pkt.stream_index := pVideoStream^.index;
pkt.data := pByte(pOutputFrame);
pkt.size := sizeof(TAVPicture);
av_interleaved_write_frame(pFormatContext, @pkt);
Result := true;
end
else
begin
// Encode
av_init_packet(@packet);
packet.data := pVideoEncodeBuffer;
packet.size := nSizeVideoEncodeBuffer;
nOutputSize := 0;
// Encode frame to packet.
error := avcodec_encode_video2(pVideoCodec, @packet, pOutputFrame, nOutputSize);
if (error = 0) and (nOutputSize > 0) then
begin
// AVPacket pkt;
av_init_packet(@pkt);
if Assigned(pVideoCodec^.coded_frame) and (pVideoCodec^.coded_frame^.pts <> AV_NOPTS_VALUE) then
pkt.pts := AV_NOPTS_VALUE;
if Assigned(pVideoCodec^.coded_frame) and (pVideoCodec^.coded_frame^.key_frame <> 0) then
pkt.flags := pkt.flags or AV_PKT_FLAG_KEY;
pkt.stream_index := pVideoStream^.index;
pkt.data := pVideoEncodeBuffer;
pkt.size := packet.size;
// Write packet with frame.
Result := av_interleaved_write_frame(pFormatContext, @pkt) = 0;
// Result := av_write_frame(pFormatContext, @pkt) = 0;
end
else
Result := false;
end;
end;
function TFFMVideoEncoder.AddVideoStream(const pContext: pAVFormatContext; const codec_id: TAVCodecID): pAVStream;
Var
pCodecCxt: pAVCodecContext;
begin
// pCodecCxt := nil;
// Result := nil;
Result := avformat_new_stream(pContext, nil);
if not Assigned(Result) then
begin
// printf("Cannot add new vidoe stream\n");
Exit(nil);
end;
pCodecCxt := Result^.codec;
pCodecCxt^.codec_id := codec_id;
pCodecCxt^.codec_type := AVMEDIA_TYPE_VIDEO;
pCodecCxt^.frame_number := 0;
// Put sample parameters.
pCodecCxt^.bit_rate := fbit_rate; // 2000000;
// Resolution must be a multiple of two.
pCodecCxt^.width := W_VIDEO;
pCodecCxt^.height := H_VIDEO;
(* time base: this is the fundamental unit of time (in seconds) in terms
of which frame timestamps are represented. for fixed-fps content,
timebase should be 1/framerate and timestamp increments should be
identically 1. *)
pCodecCxt^.time_base.den := ftime_base_den; // 25;
pCodecCxt^.time_base.num := 1;
pCodecCxt^.gop_size := 12; // emit one intra frame every twelve frames at most
pCodecCxt^.pix_fmt := AV_PIX_FMT_YUV420P;
if (pCodecCxt^.codec_id = AV_CODEC_ID_MPEG2VIDEO) then
begin
// Just for testing, we also add B frames
pCodecCxt^.max_b_frames := 2;
end;
if (pCodecCxt^.codec_id = AV_CODEC_ID_MPEG1VIDEO) then
begin
(* Needed to avoid using macroblocks
in which some coeffs overflow.This does not happen with normal video, it just happens here as the motion of
the chroma plane does not match the luma plane. *)
pCodecCxt^.mb_decision := 2;
end;
// Some formats want stream headers to be separate.
if (pContext^.oformat^.flags and AVFMT_GLOBALHEADER) <> 0 then
begin
pCodecCxt^.flags := pCodecCxt^.flags or CODEC_FLAG_GLOBAL_HEADER;
end;
end;
procedure TFFMVideoEncoder.CloseAudio(const pContext: pAVFormatContext; const pStream: pAVStream);
begin
avcodec_close(pStream^.codec);
if Assigned(pAudioEncodeBuffer) then
begin
av_free(pAudioEncodeBuffer);
pAudioEncodeBuffer := Nil;
end;
nSizeAudioEncodeBuffer := 0;
end;
procedure TFFMVideoEncoder.CloseVideo(const pContext: pAVFormatContext; const pStream: pAVStream);
begin
avcodec_close(pStream^.codec);
if Assigned(pCurrentPicture) then
begin
if Assigned(pCurrentPicture^.data[0]) then
begin
av_free(pCurrentPicture^.data[0]);
pCurrentPicture^.data[0] := nil;
end;
av_free(pCurrentPicture);
pCurrentPicture := nil;
end;
if Assigned(pVideoEncodeBuffer) then
begin
av_free(pVideoEncodeBuffer);
pVideoEncodeBuffer := nil;
end;
nSizeVideoEncodeBuffer := 0;
end;
constructor TFFMVideoEncoder.Create;
begin
pOutFormat := nil;
pFormatContext := nil;
pVideoStream := nil;
pImgConvertCtx := nil;
pCurrentPicture := nil;
pVideoEncodeBuffer := nil;
nSizeVideoEncodeBuffer := 0;
pAudioEncodeBuffer := nil;
nSizeAudioEncodeBuffer := 0;
nAudioBufferSize := 1024 * 1024 * 4;
audioBuffer := AllocMem(nAudioBufferSize);
nAudioBufferSizeCurrent := 0;
SetVideoParams;
end;
function TFFMVideoEncoder.CreateFFmpegPicture(const pix_fmt: TAVPixelFormat; const nWidth, nHeight: Integer): pAVFrame;
Var
picture_buf: pByte;
size: Integer;
begin
// picture_buf := nil;
Result := av_frame_alloc();//avcodec_alloc_frame();
if not Assigned(Result) then
begin
// printf("Cannot create frame\n");
Exit(nil);
end;
size := avpicture_get_size(pix_fmt, nWidth, nHeight);
picture_buf := av_malloc(size);
if not Assigned(picture_buf) then
begin
av_free(Result);
// printf("Cannot allocate buffer\n");
Exit(nil);
end;
avpicture_fill(pAVPicture(Result), picture_buf, pix_fmt, nWidth, nHeight);
end;
destructor TFFMVideoEncoder.Destroy;
begin
Finish;
inherited;
end;
function TFFMVideoEncoder.Finish: boolean;
begin
Result := true;
// Todo: Maybe you need write audio samples from audioBuffer to file before cloasing.
if Assigned(pFormatContext) then
begin
// flush_encoder;
av_write_trailer(pFormatContext);
Free;
end;
if Assigned(audioBuffer) then
begin
FreeMem(audioBuffer);
audioBuffer := nil;
end;
end;
function TFFMVideoEncoder.flush_encoder: Integer;
Var
ret, got_output: Integer;
pkt: TAVPacket;
begin
Result := 0;
(* get the delayed frames *)
av_init_packet(@pkt);
got_output := 1;
While got_output <> 0 do
begin
ret := avcodec_encode_video2(pVideoStream^.codec, @pkt, nil, got_output);
if (ret < 0) then
begin
// WriteLn('Error encoding frame');
Exit(ret);
end;
if (got_output <> 0) then
begin
// WriteLn(format('Write frame %3d (size=%5d)', [i, pkt.size]));
// BlockWrite(f, pkt.data^, pkt.size);
av_free_packet(pkt);
end;
// Inc(i);
end;
end;
procedure TFFMVideoEncoder.Free;
Var
i: Integer;
begin
if Assigned(pFormatContext) then
begin
// close video stream
if Assigned(pVideoStream) then
CloseVideo(pFormatContext, pVideoStream);
// close audio stream.
if Assigned(pAudioStream) then
CloseAudio(pFormatContext, pAudioStream);
// Free the streams.
for i := 0 to pFormatContext^.nb_streams - 1 do
begin
av_freep(pFormatContext^.streams[i]^.codec);
// av_freep(pFormatContext^.streams[i]);
end;
if ((pFormatContext^.flags and AVFMT_NOFILE) = 0) and Assigned(pFormatContext^.pb) then
avio_close(pFormatContext^.pb);
// Free the stream.
av_free(pFormatContext);
pFormatContext := nil;
end;
end;
function TFFMVideoEncoder.InitFile(const inputFile, container: AnsiString; const AW_VIDEO, AH_VIDEO: Integer): boolean;
Var
filename: PAnsiChar;
begin
Result := false;
W_VIDEO := AW_VIDEO;
H_VIDEO := AH_VIDEO;
filename := PAnsiChar(inputFile);
outputFilename := inputFile;
// Initialize libavcodec
av_register_all();
if System.AnsiStrings.SameText(container, 'auto') then
// Create format
pOutFormat := av_guess_format(nil, filename, nil)
else
// use contanier
pOutFormat := av_guess_format(PAnsiChar(container), nil, nil);
if Assigned(pOutFormat) then
begin
// allocate context
pFormatContext := avformat_alloc_context();
if Assigned(pFormatContext) then
begin
pFormatContext^.oformat := pOutFormat;
CopyMemory(@pFormatContext^.filename, filename, min(System.AnsiStrings.strlen(filename), sizeof(pFormatContext^.filename)));
// Add video and audio stream
pVideoStream := AddVideoStream(pFormatContext, pOutFormat^.video_codec);
pAudioStream := AddAudioStream(pFormatContext, pOutFormat^.audio_codec);
// Set the output parameters (must be done even if no parameters).
av_dump_format(pFormatContext, 0, filename, 1);
// Open Video and Audio stream
Result := false;
if Assigned(pVideoStream) then
Result := OpenVideo(pFormatContext, pVideoStream);
if Assigned(pAudioStream) then
Result := OpenAudio(pFormatContext, pAudioStream);
if Result and ((pOutFormat^.flags and AVFMT_NOFILE) = 0) and (avio_open(pFormatContext^.pb, filename, AVIO_FLAG_WRITE) < 0) then
begin
Result := false;
// printf(" Cannot open file\ n ");
end;
if Result then
// Write file header.
avformat_write_header(pFormatContext, nil);
end;
end;
if not Result then
begin
Free();
// printf(" Cannot init file\ n ");
end;
end;
function TFFMVideoEncoder.NeedConvert(const framepixfmt: TAVPixelFormat): boolean;
begin
if Assigned(pVideoStream) and Assigned(pVideoStream^.codec) then
Result := pVideoStream^.codec^.pix_fmt <> framepixfmt // AV_PIX_FMT_RGB24
else
Result := false;
end;
function TFFMVideoEncoder.OpenAudio(const pContext: pAVFormatContext; const pStream: pAVStream): boolean;
Var
pCodecCxt: pAVCodecContext;
pCodec: pAVCodec;
begin
// pCodecCxt := nil;
// pCodec := nil;
pCodecCxt := pStream^.codec;
// Find the audio encoder.
pCodec := avcodec_find_encoder(pCodecCxt^.codec_id);
if not Assigned(pCodec) then
begin
// printf("Cannot open audio codec\n");
Exit(false);
end;
// Open it.
if (avcodec_open2(pCodecCxt, pCodec, nil) < 0) then
begin
// printf("Cannot open audio codec\n");
Exit(false);
end;
if (pCodecCxt^.frame_size <= 1) then
begin
// Ugly hack for PCM codecs (will be removed ASAP with new PCM
// support to compute the input frame size in samples.
audioInputSampleSize := nSizeAudioEncodeBuffer div pCodecCxt^.channels;
case pStream^.codec^.codec_id of
AV_CODEC_ID_PCM_S16LE, AV_CODEC_ID_PCM_S16BE, AV_CODEC_ID_PCM_U16LE, AV_CODEC_ID_PCM_U16BE:
audioInputSampleSize := audioInputSampleSize shr 1;
end;
pCodecCxt^.frame_size := audioInputSampleSize;
end
else
audioInputSampleSize := pCodecCxt^.frame_size;
Result := true;
end;
function TFFMVideoEncoder.OpenVideo(const oc: pAVFormatContext; const pStream: pAVStream): boolean;
Var
pCodec: pAVCodec;
pContext: pAVCodecContext;
begin
pContext := pStream^.codec;
// Find the video encoder.
pCodec := avcodec_find_encoder(pContext^.codec_id);
if not Assigned(pCodec) then
begin
// printf("Cannot found video codec\n");
Exit(false);
end;
// Open the codec.
if (avcodec_open2(pContext, pCodec, nil) < 0) then
begin
// printf("Cannot open video codec\n");
Exit(false);
end;
pVideoEncodeBuffer := nil;
if (pFormatContext^.oformat^.flags and AVFMT_RAWPICTURE) = 0 then
begin
// allocate output buffer
nSizeVideoEncodeBuffer := 10000000;
pVideoEncodeBuffer := av_malloc(nSizeVideoEncodeBuffer);
end;
Result := true;
end;
procedure TFFMVideoEncoder.SetVideoParams(const atime_base_den, abit_rate: Integer);
begin
fbit_rate := abit_rate;
ftime_base_den := atime_base_den;
end;
end.

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@ -1,74 +0,0 @@
{
This file is part of the Free Pascal run time library.
Copyright (c) 2004 by Marco van de Voort, member of the
Free Pascal development team
Implements C types for in header conversions
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
unit ffm.ctypes;
interface
type
qword = int64; // Keep h2pas "uses ctypes" headers working with delphi.
{ the following type definitions are compiler dependant }
{ and system dependant }
cint8 = shortint; pcint8 = ^cint8;
cuint8 = byte; pcuint8 = ^cuint8;
cchar = cint8; pcchar = ^cchar;
cschar = cint8; pcschar = ^cschar;
cuchar = cuint8; pcuchar = ^cuchar;
cint16 = smallint; pcint16 = ^cint16;
cuint16 = word; pcuint16 = ^cuint16;
cshort = cint16; pcshort = ^cshort;
csshort = cint16; pcsshort = ^csshort;
cushort = cuint16; pcushort = ^cushort;
cint32 = longint; pcint32 = ^cint32;
cuint32 = longword; pcuint32 = ^cuint32;
cint = cint32; pcint = ^cint; { minimum range is : 32-bit }
csint = cint32; pcsint = ^csint; { minimum range is : 32-bit }
cuint = cuint32; pcuint = ^cuint; { minimum range is : 32-bit }
csigned = cint; pcsigned = ^csigned;
cunsigned = cuint; pcunsigned = ^cunsigned;
cint64 = int64; pcint64 = ^cint64;
cuint64 = qword; pcuint64 = ^cuint64;
uint64_t = cuint64; puint64_t = ^uint64_t;
clonglong = cint64; pclonglong = ^clonglong;
cslonglong = cint64; pcslonglong = ^cslonglong;
culonglong = cuint64; pculonglong = ^culonglong;
cbool = longbool; pcbool = ^cbool;
{$if defined(cpu64) and not(defined(win64) and defined(cpux86_64))}
clong = int64; pclong = ^clong;
cslong = int64; pcslong = ^cslong;
culong = qword; pculong = ^culong;
{$else}
clong = longint; pclong = ^clong;
cslong = longint; pcslong = ^cslong;
culong = cardinal; pculong = ^culong;
int64_t = Int64; pint64_t = ^int64_t;
{$endif}
cfloat = single; pcfloat = ^cfloat;
cdouble = double; pcdouble = ^cdouble;
clongdouble = extended; pclongdouble = ^clongdouble;
implementation
end.

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@ -1,169 +0,0 @@
unit ffm.dict;
{$i ffmpeg.inc}
interface
(*
*
* This file is part of ffm.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
//
(*
* @file
* Public dictionary API.
* @deprecated
* AVDictionary is provided for compatibility with libav. It is both in
* implementation as well as API inefficient. It does not scale and is
* extremely slow with large dictionaries.
* It is recommended that new code uses our tree container from tree.c/h
* where applicable, which uses AVL trees to achieve O(log n) performance.
*)
(*
* @addtogroup lavu_dict AVDictionary
* @ingroup lavu_data
*
* @brief Simple key:value store
*
* @{
* Dictionaries are used for storing key:value pairs. To create
* an AVDictionary, simply pass an address of a NULL pointer to
* av_dict_set(). NULL can be used as an empty dictionary wherever
* a pointer to an AVDictionary is required.
* Use av_dict_get() to retrieve an entry or iterate over all
* entries and finally av_dict_free() to free the dictionary
* and all its contents.
*
* @code
* AVDictionary *d = NULL; // "create" an empty dictionary
* av_dict_set(&d, "foo", "bar", 0); // add an entry
*
* char *k = av_strdup("key"); // if your strings are already allocated,
* char *v = av_strdup("value"); // you can avoid copying them like this
* av_dict_set(&d, k, v, AV_DICT_DONT_STRDUP_KEY | AV_DICT_DONT_STRDUP_VAL);
*
* AVDictionaryEntry *t = NULL;
* while (t = av_dict_get(d, "", t, AV_DICT_IGNORE_SUFFIX)) {
* <....> // iterate over all entries in d
* }
*
* av_dict_free(&d);
* @endcode
*
*)
const
AV_DICT_MATCH_CASE = 1;
AV_DICT_IGNORE_SUFFIX = 2;
AV_DICT_DONT_STRDUP_KEY = 4; // **< Take ownership of a key that's been
// allocated with av_malloc() and children. */
AV_DICT_DONT_STRDUP_VAL = 8; // **< Take ownership of a value that's been
// allocated with av_malloc() and chilren. */
AV_DICT_DONT_OVERWRITE = 16;
/// < Don't overwrite existing entries.
AV_DICT_APPEND = 32; // **< If the entry already exists, append to it. Note that no
// delimiter is added, the strings are simply concatenated. */
type
pAVDictionaryEntry = ^TAVDictionaryEntry;
TAVDictionaryEntry = { packed } record
key: pAnsiChar;
value: pAnsiChar;
end;
pAVDictionary = ^TAVDictionary;
ppAVDictionary = ^pAVDictionary;
TAVDictionary = { packed } record
end;
(*
* Get a dictionary entry with matching key.
*
* @param prev Set to the previous matching element to find the next.
* If set to NULL the first matching element is returned.
* @param flags Allows case as well as suffix-insensitive comparisons.
* @return Found entry or NULL, changing key or value leads to undefined behavior.
*)
// AVDictionaryEntry * av_dict_get(AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags);
function av_dict_get(m: pAVDictionary; const key: pAnsiChar; const prev: pAVDictionaryEntry; flags: Integer): pAVDictionaryEntry; cdecl;
(*
* Get number of entries in dictionary.
*
* @param m dictionary
* @return number of entries in dictionary
*)
// int av_dict_count(const AVDictionary *m);
(*
* Set the given entry in *pm, overwriting an existing entry.
*
* @param pm pointer to a pointer to a dictionary struct. If *pm is NULL
* a dictionary struct is allocated and put in *pm.
* @param key entry key to add to *pm (will be av_strduped depending on flags)
* @param value entry value to add to *pm (will be av_strduped depending on flags).
* Passing a NULL value will cause an existing entry to be deleted.
* @return >= 0 on success otherwise an error code <0
*)
// int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags);
function av_dict_set(Var pm: pAVDictionary; const key: pAnsiChar; const value: pAnsiChar; flags: Integer): Integer; cdecl;
(*
* Parse the key/value pairs list and add to a dictionary.
*
* @param key_val_sep a 0-terminated list of characters used to separate
* key from value
* @param pairs_sep a 0-terminated list of characters used to separate
* two pairs from each other
* @param flags flags to use when adding to dictionary.
* AV_DICT_DONT_STRDUP_KEY and AV_DICT_DONT_STRDUP_VAL
* are ignored since the key/value tokens will always
* be duplicated.
* @return 0 on success, negative AVERROR code on failure
*)
// int av_dict_parse_string(AVDictionary **pm, const char *str,
// const char *key_val_sep, const char *pairs_sep,
// int flags);
//
(*
* Copy entries from one AVDictionary struct into another.
* @param dst pointer to a pointer to a AVDictionary struct. If *dst is NULL,
* this function will allocate a struct for you and put it in *dst
* @param src pointer to source AVDictionary struct
* @param flags flags to use when setting entries in *dst
* @note metadata is read using the AV_DICT_IGNORE_SUFFIX flag
*)
// void av_dict_copy(AVDictionary **dst, AVDictionary *src, int flags);
//
(*
* Free all the memory allocated for an AVDictionary struct
* and all keys and values.
*)
// void av_dict_free(AVDictionary **m);
procedure av_dict_free(Var m: pAVDictionary); cdecl;
implementation
uses ffm.lib;
function av_dict_get; external avutil_dll;
procedure av_dict_free; external avutil_dll;
function av_dict_set; external avutil_dll;
end.

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unit ffm.errno;
interface
Const
EPERM = 1; // Operation not permitted
ENOENT = 2; // No such file or directory
ESRCH = 3; // No such process
EINTR = 4; // Interrupted system call
EIO = 5; // Input/output error
ENXIO = 6; // Device not configured
E2BIG = 7; // Argument list too long
ENOEXEC = 8; // Exec format error
EBADF = 9; // Bad file number
ECHILD = 10; // No spawned processes
EAGAIN = 11; // Resource temporarily unavailable
ENOMEM = 12; // Cannot allocate memory
EACCES = 13; // Access denied
EFAULT = 14; // Bad address
ENOTBLK = 15; // Not block device
EBUSY = 16; // Device busy
EEXIST = 17; // File exist
EXDEV = 18; // Cross-device link
ENODEV = 19; // Operation not supported by device
ENOTDIR = 20; // Not a directory
EISDIR = 21; // Is a directory
EINVAL = 22; // Invalid argument
ENFILE = 23; // Too many open files in system
EMFILE = 24; // Too many files open
ENOTTY = 25; // Inappropriate ioctl for device
ETXTBSY = 26; // Unknown error
EFBIG = 27; // File too large
ENOSPC = 28; // No space left on device
ESPIPE = 29; // Illegal seek
EROFS = 30; // Read-only file system
EMLINK = 31; // Too many links
EPIPE = 32; // Broken pipe
EDOM = 33; // Numerical arg out of domain
ERANGE = 34; // Result too large
EUCLEAN = 35; // Structure needs cleaning
EDEADLK = 36; // Resource deadlock avoided
EUNKNOWN = 37; // Unknown error
ENAMETOOLONG = 38; // File name too long
ENOLCK = 39; // No locks available
ENOSYS = 40; // Function not implemented
ENOTEMPTY = 41; // Directory not empty
EILSEQ = 42; // Invalid multibyte sequence
//
// Sockets errors
//
EWOULDBLOCK = 45; // Operation would block
EINPROGRESS = 46; // Operation now in progress
EALREADY = 47; // Operation already in progress
ENOTSOCK = 48; // Socket operation on nonsocket
EDESTADDRREQ = 49; // Destination address required
EMSGSIZE = 50; // Message too long
EPROTOTYPE = 51; // Protocol wrong type for socket
ENOPROTOOPT = 52; // Bad protocol option
EPROTONOSUPPORT = 53; // Protocol not supported
ESOCKTNOSUPPORT = 54; // Socket type not supported
EOPNOTSUPP = 55; // Operation not supported
EPFNOSUPPORT = 56; // Protocol family not supported
EAFNOSUPPORT = 57; // Address family not supported
EADDRINUSE = 58; // Address already in use
EADDRNOTAVAIL = 59; // Cannot assign requested address
ENETDOWN = 60; // Network is down
ENETUNREACH = 61; // Network is unreachable
ENETRESET = 62; // Network dropped connection on reset
ECONNABORTED = 63; // Connection aborted
ECONNRESET = 64; // Connection reset by peer
ENOBUFS = 65; // No buffer space available
EISCONN = 66; // Socket is already connected
ENOTCONN = 67; // Socket is not connected
ESHUTDOWN = 68; // Cannot send after socket shutdown
ETOOMANYREFS = 69; // Too many references
ETIMEDOUT = 70; // Operation timed out
ECONNREFUSED = 71; // Connection refused
ELOOP = 72; // Cannot translate name
EWSNAMETOOLONG = 73; // Name component or name was too long
EHOSTDOWN = 74; // Host is down
EHOSTUNREACH = 75; // No route to host
EWSNOTEMPTY = 76; // Cannot remove a directory that is not empty
EPROCLIM = 77; // Too many processes
EUSERS = 78; // Ran out of quota
EDQUOT = 79; // Ran out of disk quota
ESTALE = 80; // File handle reference is no longer available
EREMOTE = 81; // Item is not available locally
//
// Resolver errors
//
EHOSTNOTFOUND = 82; // Host not found
ETRYAGAIN = 83; // Nonauthoritative host not found
ENORECOVERY = 84; // A nonrecoverable error occured
ENODATA = 85; // Valid name, no data record of requested type
//
// Misc. error codes
//
EPROTO = 86; // Protocol error
ECHKSUM = 87; // Checksum error
EBADSLT = 88; // Invalid slot
EREMOTEIO = 89; // Remote I/O error
//
// Error code aliases
//
ETIMEOUT = ETIMEDOUT;
EBUF = ENOBUFS;
EROUTE = ENETUNREACH;
ECONN = ENOTCONN;
ERST = ECONNRESET;
EABORT = ECONNABORTED;
implementation
end.

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(*
* This file is part of ffm.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
unit ffm.error;
{$i ffmpeg.inc}
interface
uses ffm.errno;
(* error handling *)
{$IF EDOM > 0}
function AVERROR(e: integer): integer; inline;
/// < Returns a negative error code from a POSIX error code, to return from library functions.
function AVUNERROR(e: integer): integer; inline;
/// < Returns a POSIX error code from a library function error return value.
{$ELSE}
(* Some platforms have E* and errno already negated. *)
AVERROR(e)(e)AVUNERROR(e)(e)
{$ENDIF}
// #define FFERRTAG(a, b, c, d) (-(int)MKTAG(a, b, c, d))
Const
AVERROR_BSF_NOT_FOUND = -(ord($F8) or (ord('B') shl 8) or (ord('S') shl 16) or (ord('F') shl 24));
/// < Bitstream filter not found
AVERROR_BUG = -(ord('B') or (ord('U') shl 8) or (ord('G') shl 16) or (ord('!') shl 24));
/// < Internal bug, also see AVERROR_BUG2
AVERROR_BUFFER_TOO_SMALL = -(ord('B') or (ord('U') shl 8) or (ord('F') shl 16) or (ord('S') shl 24));
/// < Buffer too small
AVERROR_DECODER_NOT_FOUND = -(ord($F8) or (ord('D') shl 8) or (ord('E') shl 16) or (ord('C') shl 24));
/// < Decoder not found
AVERROR_DEMUXER_NOT_FOUND = -(ord($F8) or (ord('D') shl 8) or (ord('E') shl 16) or (ord('M') shl 24));
/// < Demuxer not found
AVERROR_ENCODER_NOT_FOUND = -(ord($F8) or (ord('E') shl 8) or (ord('N') shl 16) or (ord('C') shl 24));
/// < Encoder not found
AVERROR_EOF = -(ord('E') or (ord('O') shl 8) or (ord('F') shl 16) or (ord(' ') shl 24));
/// < End of file
AVERROR_EXIT = -(ord('E') or (ord('X') shl 8) or (ord('I') shl 16) or (ord('T') shl 24));
/// < Immediate exit was requested; the called function should not be restarted
AVERROR_EXTERNAL = -(ord('E') or (ord('X') shl 8) or (ord('T') shl 16) or (ord(' ') shl 24));
/// < Generic error in an external library
AVERROR_FILTER_NOT_FOUND = -(ord($F8) or (ord('F') shl 8) or (ord('I') shl 16) or (ord('L') shl 24));
/// < Filter not found
AVERROR_INVALIDDATA = -(ord('I') or (ord('N') shl 8) or (ord('D') shl 16) or (ord('A') shl 24));
/// < Invalid data found when processing input
AVERROR_MUXER_NOT_FOUND = -(ord($F8) or (ord('M') shl 8) or (ord('U') shl 16) or (ord('X') shl 24));
/// < Muxer not found
AVERROR_OPTION_NOT_FOUND = -(ord($F8) or (ord('O') shl 8) or (ord('P') shl 16) or (ord('T') shl 24));
/// < Option not found
AVERROR_PATCHWELCOME = -(ord('P') or (ord('A') shl 8) or (ord('W') shl 16) or (ord('E') shl 24));
/// < Not yet implemented in FFmpeg, patches welcome
AVERROR_PROTOCOL_NOT_FOUND = -(ord($F8) or (ord('P') shl 8) or (ord('R') shl 16) or (ord('O') shl 24));
/// < Protocol not found
AVERROR_STREAM_NOT_FOUND = -(ord($F8) or (ord('S') shl 8) or (ord('T') shl 16) or (ord('R') shl 24));
/// < Stream not found
(*
* This is semantically identical to AVERROR_BUG
* it has been introduced in Libav after our AVERROR_BUG and with a modified value.
*)
AVERROR_BUG2 = -(ord('B') or (ord('U') shl 8) or (ord('G') shl 16) or (ord(' ') shl 24));
AVERROR_UNKNOWN = -(ord('U') or (ord('N') shl 8) or (ord('K') shl 16) or (ord('N') shl 24));
/// < Unknown error, typically from an external library
AVERROR_EXPERIMENTAL = -($2BB2AFA8);
/// < Requested feature is flagged experimental. Set strict_std_compliance if you really want to use it.
AV_ERROR_MAX_STRING_SIZE = 64;
(*
* Put a description of the AVERROR code errnum in errbuf.
* In case of failure the global variable errno is set to indicate the
* error. Even in case of failure av_strerror() will print a generic
* error message indicating the errnum provided to errbuf.
*
* @param errnum error code to describe
* @param errbuf buffer to which description is written
* @param errbuf_size the size in bytes of errbuf
* @return 0 on success, a negative value if a description for errnum
* cannot be found
*)
// int av_strerror(int errnum, char *errbuf, size_t errbuf_size);
function av_strerror(errnum: integer; errbuf: pAnsiChar; errbuf_size: integer): integer; cdecl;
(*
* Fill the provided buffer with a string containing an error string
* corresponding to the AVERROR code errnum.
*
* @param errbuf a buffer
* @param errbuf_size size in bytes of errbuf
* @param errnum error code to describe
* @return the buffer in input, filled with the error description
* @see av_strerror()
*)
// static inline char *av_make_error_string(char *errbuf, size_t errbuf_size, int errnum)
{
av_strerror(errnum, errbuf, errbuf_size);
return errbuf;
}
function av_make_error_string(errbuf: pAnsiChar; errbuf_size: integer; errnum: integer): pAnsiChar; inline;
(*
* Convenience macro, the return value should be used only directly in
* function arguments but never stand-alone.
*)
// #define av_err2str(errnum) \
// av_make_error_string((char[AV_ERROR_MAX_STRING_SIZE]){0}, AV_ERROR_MAX_STRING_SIZE, errnum)
function av_err2str(errnum: integer): pAnsiChar; inline;
{
DumpErrorCodes - Error Code : AVERROR_BSF_NOT_FOUND = -1179861752
DumpErrorCodes - Error Code : AVERROR_BUG = -558323010
DumpErrorCodes - Error Code : AVERROR_BUFFER_TOO_SMALL = -1397118274
DumpErrorCodes - Error Code : AVERROR_DECODER_NOT_FOUND = -1128613112
DumpErrorCodes - Error Code : AVERROR_DEMUXER_NOT_FOUND = -1296385272
DumpErrorCodes - Error Code : AVERROR_ENCODER_NOT_FOUND = -1129203192
DumpErrorCodes - Error Code : AVERROR_EOF = -541478725
DumpErrorCodes - Error Code : AVERROR_EXIT = -1414092869
DumpErrorCodes - Error Code : AVERROR_EXTERNAL = -542398533
DumpErrorCodes - Error Code : AVERROR_FILTER_NOT_FOUND = -1279870712
DumpErrorCodes - Error Code : AVERROR_INVALIDDATA = -1094995529
DumpErrorCodes - Error Code : AVERROR_MUXER_NOT_FOUND = -1481985528
DumpErrorCodes - Error Code : AVERROR_OPTION_NOT_FOUND = -1414549496
DumpErrorCodes - Error Code : AVERROR_PATCHWELCOME = -1163346256
DumpErrorCodes - Error Code : AVERROR_PROTOCOL_NOT_FOUND = -1330794744
DumpErrorCodes - Error Code : AVERROR_STREAM_NOT_FOUND = -1381258232
DumpErrorCodes - Error Code : AVERROR_BUG2 = -541545794
DumpErrorCodes - Error Code : AVERROR_UNKNOWN = -1313558101
DumpErrorCodes - Error Code : AVERROR_EXPERIMENTAL = -733130664
DumpErrorCodes - Error Code : AVERROR_INPUT_CHANGED = -1668179713
DumpErrorCodes - Error Code : AVERROR_OUTPUT_CHANGED = -1668179714
DumpErrorCodes - Error Code : AVERROR_HTTP_BAD_REQUEST = -808465656
DumpErrorCodes - Error Code : AVERROR_HTTP_UNAUTHORIZED = -825242872
DumpErrorCodes - Error Code : AVERROR_HTTP_FORBIDDEN = -858797304
DumpErrorCodes - Error Code : AVERROR_HTTP_NOT_FOUND = -875574520
DumpErrorCodes - Error Code : AVERROR_HTTP_OTHER_4XX = -1482175736
DumpErrorCodes - Error Code : AVERROR_HTTP_SERVER_ERROR = -1482175992
}
implementation
uses ffm.lib;
function AVERROR(e: integer): integer; inline;
begin
Result := -e;
end;
function AVUNERROR(e: integer): integer; inline;
begin
Result := -e;
end;
function av_make_error_string(errbuf: pAnsiChar; errbuf_size: integer; errnum: integer): pAnsiChar; inline;
begin
av_strerror(errnum, errbuf, errbuf_size);
Result := errbuf;
end;
function av_err2str(errnum: integer): pAnsiChar; inline;
Var
buf: array [0 .. AV_ERROR_MAX_STRING_SIZE - 1] of AnsiChar;
begin
FillChar(buf, SizeOf(buf), 0);
av_make_error_string(buf, AV_ERROR_MAX_STRING_SIZE, errnum);
Result := buf;
end;
function av_strerror; external avutil_dll;
end.

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(*
*
* This file is part of ffm.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
unit ffm.frame;
{$i ffmpeg.inc}
interface
uses
ffm.ctypes, ffm.buffer, ffm.dict, ffm.avutil, ffm.rational;
Type
pAVColorSpace = ^TAVColorSpace;
TAVColorSpace = ( //
AVCOL_SPC_RGB = 0, //
AVCOL_SPC_BT709 = 1, // < also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
AVCOL_SPC_UNSPECIFIED = 2, //
AVCOL_SPC_FCC = 4, //
AVCOL_SPC_BT470BG = 5, // < also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601
AVCOL_SPC_SMPTE170M = 6, // < also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC / functionally identical to above
AVCOL_SPC_SMPTE240M = 7, //
AVCOL_SPC_YCOCG = 8, // < Used by Dirac / VC-2 and H.264 FRext, see ITU-T SG16
AVCOL_SPC_BT2020_NCL = 9, // < ITU-R BT2020 non-constant luminance system
AVCOL_SPC_BT2020_CL = 10, // < ITU-R BT2020 constant luminance system
AVCOL_SPC_NB // < Not part of ABI
);
Const
AVCOL_SPC_YCGCO = AVCOL_SPC_YCOCG;
(*
* The frame data may be corrupted, e.g. due to decoding errors.
*)
AV_FRAME_FLAG_CORRUPT = (1 shl 0);
FF_DECODE_ERROR_INVALID_BITSTREAM = 1;
FF_DECODE_ERROR_MISSING_REFERENCE = 2;
Type
pAVColorRange = ^TAVColorRange;
TAVColorRange = ( //
AVCOL_RANGE_UNSPECIFIED = 0, //
AVCOL_RANGE_MPEG = 1, // < the normal 219*2^(n-8) "MPEG" YUV ranges
AVCOL_RANGE_JPEG = 2, // < the normal 2^n-1 "JPEG" YUV ranges
AVCOL_RANGE_NB // < Not part of ABI
);
pAVFrameSideDataType = ^TAVFrameSideDataType;
TAVFrameSideDataType = (
(*
* The data is the AVPanScan struct defined in libavcodec.
*)
AV_FRAME_DATA_PANSCAN //
);
pAVFrameSideData = ^TAVFrameSideData;
ppAVFrameSideData = ^pAVFrameSideData;
TAVFrameSideData = {packed} record
_type: TAVFrameSideDataType;
data: pByte;
size: Integer;
metadata: pAVDictionary;
end;
(*
* This structure describes decoded (raw) audio or video data.
*
* AVFrame must be allocated using av_frame_alloc(). Note that this only
* allocates the AVFrame itself, the buffers for the data must be managed
* through other means (see below).
* AVFrame must be freed with av_frame_free().
*
* AVFrame is typically allocated once and then reused multiple times to hold
* different data (e.g. a single AVFrame to hold frames received from a
* decoder). In such a case, av_frame_unref() will free any references held by
* the frame and reset it to its original clean state before it
* is reused again.
*
* The data described by an AVFrame is usually reference counted through the
* AVBuffer API. The underlying buffer references are stored in AVFrame.buf /
* AVFrame.extended_buf. An AVFrame is considered to be reference counted if at
* least one reference is set, i.e. if AVFrame.buf[0] != NULL. In such a case,
* every single data plane must be contained in one of the buffers in
* AVFrame.buf or AVFrame.extended_buf.
* There may be a single buffer for all the data, or one separate buffer for
* each plane, or anything in between.
*
* sizeof(AVFrame) is not a part of the public ABI, so new fields may be added
* to the end with a minor bump.
* Similarly fields that are marked as to be only accessed by
* av_opt_ptr() can be reordered. This allows 2 forks to add fields
* without breaking compatibility with each other.
*)
const
AV_NUM_DATA_POINTERS = 8;
Type
pAVNDPArray = ^TAVNDPArray;
TAVNDPArray = array [0 .. AV_NUM_DATA_POINTERS - 1] of Integer;
pAVFrameByteArray = ^TAVFrameByteArray;
TAVFrameByteArray = array [0 .. AV_NUM_DATA_POINTERS - 1] of pByte;
pAVFrameInt64Array = ^TAVFrameInt64Array;
TAVFrameInt64Array = array [0 .. AV_NUM_DATA_POINTERS - 1] of uint64;
pAVFrame = ^TAVFrame;
ppAVFrame = ^pAVFrame;
puint8 = ^uint8;
ppuint8 = ^puint8;
pMotion_val = ^TMotion_val;
TMotion_val = array [0 .. 1] of int16;
pRef_index = ^TRef_index;
TRef_index = array [0 .. 1] of int8;
pAVBufferRefArray = ^TAVBufferRefArray;
TAVBufferRefArray = array [0 .. AV_NUM_DATA_POINTERS - 1] of pAVBufferRef;
TLinesizes = array [0 .. AV_NUM_DATA_POINTERS - 1] of Integer;
pLinesizes = ^TLinesizes;
TAVFrame = {packed} record
(*
* pointer to the picture/channel planes.
* This might be different from the first allocated byte
*
* Some decoders access areas outside 0,0 - width,height, please
* see avcodec_align_dimensions2(). Some filters and swscale can read
* up to 16 bytes beyond the planes, if these filters are to be used,
* then 16 extra bytes must be allocated.
*)
data: TAVFrameByteArray;
(*
* For video, size in bytes of each picture line.
* For audio, size in bytes of each plane.
*
* For audio, only linesize[0] may be set. For planar audio, each channel
* plane must be the same size.
*
* For video the linesizes should be multiplies of the CPUs alignment
* preference, this is 16 or 32 for modern desktop CPUs.
* Some code requires such alignment other code can be slower without
* correct alignment, for yet other it makes no difference.
*
* @note The linesize may be larger than the size of usable data -- there
* may be extra padding present for performance reasons.
*)
linesize: TLinesizes;
(*
* pointers to the data planes/channels.
*
* For video, this should simply point to data[].
*
* For planar audio, each channel has a separate data pointer, and
* linesize[0] contains the size of each channel buffer.
* For {packed} audio, there is just one data pointer, and linesize[0]
* contains the total size of the buffer for all channels.
*
* Note: Both data and extended_data should always be set in a valid frame,
* but for planar audio with more channels that can fit in data,
* extended_data must be used in order to access all channels.
*)
extended_data: ppuint8;
(*
* width and height of the video frame
*)
width, height: Integer;
(*
* number of audio samples (per channel) described by this frame
*)
nb_samples: Integer;
(*
* format of the frame, -1 if unknown or unset
* Values correspond to enum AVPixelFormat for video frames,
* enum AVSampleFormat for audio)
*)
format: Integer;
(*
* 1 -> keyframe, 0-> not
*)
key_frame: Integer;
(*
* Picture type of the frame.
*)
pict_type: TAVPictureType;
{$IFDEF FF_API_AVFRAME_LAVC}
// attribute_deprecated
base: TAVFrameByteArray;
{$ENDIF}
(*
* Sample aspect ratio for the video frame, 0/1 if unknown/unspecified.
*)
sample_aspect_ratio: TAVRational;
(*
* Presentation timestamp in time_base units (time when frame should be shown to user).
*)
pts: int64_t;
(*
* PTS copied from the AVPacket that was decoded to produce this frame.
*)
pkt_pts: int64_t;
(*
* DTS copied from the AVPacket that triggered returning this frame. (if frame threading isnt used)
* This is also the Presentation time of this AVFrame calculated from
* only AVPacket.dts values without pts values.
*)
pkt_dts: int64_t;
(*
* picture number in bitstream order
*)
coded_picture_number: Integer;
(*
* picture number in display order
*)
display_picture_number: Integer;
(*
* quality (between 1 (good) and FF_LAMBDA_MAX (bad))
*)
quality: Integer;
{$IFDEF FF_API_AVFRAME_LAVC}
// attribute_deprecated
reference: Integer;
(*
* QP table *)
// attribute_deprecated
qscale_table: pint8_t;
(*
* QP store stride
*)
// attribute_deprecated
qstride: Integer;
// attribute_deprecated
qscale_type: Integer;
(*
* mbskip_table[mb]>=1 if MB didn't change
* stride= mb_width = (width+15)>>4
*)
// attribute_deprecated
mbskip_table: puint8_t;
(*
* motion vector table
* @code
* example:
* int mv_sample_log2= 4 - motion_subsample_log2;
* int mb_width= (width+15)>>4;
* int mv_stride= (mb_width << mv_sample_log2) + 1;
* motion_val[direction][x + y*mv_stride][0->mv_x, 1->mv_y];
* @endcode
*)
// attribute_deprecated
// int16_t (*motion_val[2])[2];
motion_val: array [0 .. 1] of pMotion_val;
(*
* macroblock type table
* mb_type_base + mb_width + 2
*)
// attribute_deprecated
mb_type: puint32_t;
(*
* DCT coefficients
*)
// attribute_deprecated
dct_coeff: pshort;
(*
* motion reference frame index
* the order in which these are stored can depend on the codec.
*)
// attribute_deprecated
// int8_t *ref_index[2];
ref_index: pRef_index;
{$ENDIF}
(*
* for some private data of the user
*)
opaque: Pointer;
(*
* error
*)
error: array [0 .. AV_NUM_DATA_POINTERS - 1] of uint64;
{$IFDEF FF_API_AVFRAME_LAVC}
// attribute_deprecated
_type: Integer;
{$ENDIF}
(*
* When decoding, this signals how much the picture must be delayed.
* extra_delay = repeat_pict / (2*fps)
*)
repeat_pict: Integer;
(*
* The content of the picture is interlaced.
*)
interlaced_frame: Integer;
(*
* If the content is interlaced, is top field displayed first.
*)
top_field_first: Integer;
(*
* Tell user application that palette has changed from previous frame.
*)
palette_has_changed: Integer;
{$IFDEF FF_API_AVFRAME_LAVC}
// attribute_deprecated
buffer_hints: Integer;
(*
* Pan scan.
*)
// attribute_deprecated
pan_scan: pAVPanScan;
{$ENDIF}
(*
* reordered opaque 64bit (generally an integer or a double precision float
* PTS but can be anything).
* The user sets AVCodecContext.reordered_opaque to represent the input at
* that time,
* the decoder reorders values as needed and sets AVFrame.reordered_opaque
* to exactly one of the values provided by the user through AVCodecContext.reordered_opaque
* @deprecated in favor of pkt_pts
*)
reordered_opaque: int64_t;
{$IFDEF FF_API_AVFRAME_LAVC}
(*
* @deprecated this field is unused
*)
// attribute_deprecated
hwaccel_picture_private: Pointer;
// attribute_deprecated
owner: pAVCodecContext;
// attribute_deprecated
thread_opaque: Pointer;
(*
* log2 of the size of the block which a single vector in motion_val represents:
* (4->16x16, 3->8x8, 2-> 4x4, 1-> 2x2)
*)
// attribute_deprecated
motion_subsample_log2: uint8_t;
{$ENDIF}
(*
* Sample rate of the audio data.
*)
sample_rate: Integer;
(*
* Channel layout of the audio data.
*)
channel_layout: uint64_t;
//
(*
* AVBuffer references backing the data for this frame. If all elements of
* this array are NULL, then this frame is not reference counted.
*
* There may be at most one AVBuffer per data plane, so for video this array
* always contains all the references. For planar audio with more than
* AV_NUM_DATA_POINTERS channels, there may be more buffers than can fit in
* this array. Then the extra AVBufferRef pointers are stored in the
* extended_buf array.
*)
buf: TAVBufferRefArray;
(*
* For planar audio which requires more than AV_NUM_DATA_POINTERS
* AVBufferRef pointers, this array will hold all the references which
* cannot fit into AVFrame.buf.
*
* Note that this is different from AVFrame.extended_data, which always
* contains all the pointers. This array only contains the extra pointers,
* which cannot fit into AVFrame.buf.
*
* This array is always allocated using av_malloc() by whoever constructs
* the frame. It is freed in av_frame_unref().
*)
extended_buf: ppAVBufferRef;
(*
* Number of elements in extended_buf.
*)
nb_extended_buf: Integer;
side_data: ppAVFrameSideData;
nb_side_data: Integer;
(*
* Frame flags, a combination of AV_FRAME_FLAG_*
*)
flags: Integer;
(*
* frame timestamp estimated using various heuristics, in stream time base
* Code outside libavcodec should access this field using:
* av_frame_get_best_effort_timestamp(frame)
* - encoding: unused
* - decoding: set by libavcodec, read by user.
*)
best_effort_timestamp: int64_t;
(*
* reordered pos from the last AVPacket that has been input into the decoder
* Code outside libavcodec should access this field using:
* av_frame_get_pkt_pos(frame)
* - encoding: unused
* - decoding: Read by user.
*)
pkt_pos: int64_t;
(*
* duration of the corresponding packet, expressed in
* AVStream->time_base units, 0 if unknown.
* Code outside libavcodec should access this field using:
* av_frame_get_pkt_duration(frame)
* - encoding: unused
* - decoding: Read by user.
*)
pkt_duration: int64_t;
(*
* metadata.
* Code outside libavcodec should access this field using:
* av_frame_get_metadata(frame)
* - encoding: Set by user.
* - decoding: Set by libavcodec.
*)
metadata: pAVDictionary;
(*
* decode error flags of the frame, set to a combination of
* FF_DECODE_ERROR_xxx flags if the decoder produced a frame, but there
* were errors during the decoding.
* Code outside libavcodec should access this field using:
* av_frame_get_decode_error_flags(frame)
* - encoding: unused
* - decoding: set by libavcodec, read by user.
*)
decode_error_flags: Integer;
(*
* number of audio channels, only used for audio.
* Code outside libavcodec should access this field using:
* av_frame_get_channels(frame)
* - encoding: unused
* - decoding: Read by user.
*)
channels: Integer;
(*
* size of the corresponding packet containing the compressed
* frame. It must be accessed using av_frame_get_pkt_size() and
* av_frame_set_pkt_size().
* It is set to a negative value if unknown.
* - encoding: unused
* - decoding: set by libavcodec, read by user.
*)
pkt_size: Integer;
(*
* YUV colorspace type.
* It must be accessed using av_frame_get_colorspace() and
* av_frame_set_colorspace().
* - encoding: Set by user
* - decoding: Set by libavcodec
*)
colorspace: TAVColorSpace;
(*
* MPEG vs JPEG YUV range.
* It must be accessed using av_frame_get_color_range() and
* av_frame_set_color_range().
* - encoding: Set by user
* - decoding: Set by libavcodec
*)
color_range: TAVColorRange;
(*
* Not to be accessed directly from outside libavutil
*)
qp_table_buf: pAVBufferRef;
end;
(*
// * Accessors for some AVFrame fields.
// * The position of these field in the structure is not part of the ABI,
// * they should not be accessed directly outside libavcodec.
*)
// int64_t av_frame_get_best_effort_timestamp(const AVFrame *frame);
function av_frame_get_best_effort_timestamp(const frame: pAVFrame): int64; cdecl;
// void av_frame_set_best_effort_timestamp(AVFrame *frame, int64_t val);
// int64_t av_frame_get_pkt_duration (const AVFrame *frame);
// void av_frame_set_pkt_duration (AVFrame *frame, int64_t val);
// int64_t av_frame_get_pkt_pos (const AVFrame *frame);
// void av_frame_set_pkt_pos (AVFrame *frame, int64_t val);
// int64_t av_frame_get_channel_layout (const AVFrame *frame);
// void av_frame_set_channel_layout (AVFrame *frame, int64_t val);
// int av_frame_get_channels (const AVFrame *frame);
// void av_frame_set_channels (AVFrame *frame, int val);
// int av_frame_get_sample_rate (const AVFrame *frame);
// void av_frame_set_sample_rate (AVFrame *frame, int val);
// AVDictionary *av_frame_get_metadata (const AVFrame *frame);
// void av_frame_set_metadata (AVFrame *frame, AVDictionary *val);
// int av_frame_get_decode_error_flags (const AVFrame *frame);
// void av_frame_set_decode_error_flags (AVFrame *frame, int val);
// int av_frame_get_pkt_size(const AVFrame *frame);
// void av_frame_set_pkt_size(AVFrame *frame, int val);
// AVDictionary **avpriv_frame_get_metadatap(AVFrame *frame);
// int8_t *av_frame_get_qp_table(AVFrame *f, int *stride, int *type);
// int av_frame_set_qp_table(AVFrame *f, AVBufferRef *buf, int stride, int type);
// enum AVColorSpace av_frame_get_colorspace(const AVFrame *frame);
// void av_frame_set_colorspace(AVFrame *frame, enum AVColorSpace val);
// enum AVColorRange av_frame_get_color_range(const AVFrame *frame);
// void av_frame_set_color_range(AVFrame *frame, enum AVColorRange val);
//
(*
// * Get the name of a colorspace.
// * @return a static string identifying the colorspace; can be NULL.
*)
// const char *av_get_colorspace_name(enum AVColorSpace val);
//
(*
// * Allocate an AVFrame and set its fields to default values. The resulting
// * struct must be freed using av_frame_free().
// *
// * @return An AVFrame filled with default values or NULL on failure.
// *
// * @note this only allocates the AVFrame itself, not the data buffers. Those
// * must be allocated through other means, e.g. with av_frame_get_buffer() or
// * manually.
*)
// AVFrame *av_frame_alloc(void);
function av_frame_alloc(): pAVFrame; cdecl;
//
(*
// * Free the frame and any dynamically allocated objects in it,
// * e.g. extended_data. If the frame is reference counted, it will be
// * unreferenced first.
// *
// * @param frame frame to be freed. The pointer will be set to NULL.
*)
// void av_frame_free(AVFrame **frame);
procedure av_frame_free(Var frame: pAVFrame); cdecl;
(*
// * Setup a new reference to the data described by a given frame.
// *
// * Copy frame properties from src to dst and create a new reference for each
// * AVBufferRef from src.
// *
// * If src is not reference counted, new buffers are allocated and the data is
// * copied.
// *
// * @return 0 on success, a negative AVERROR on error
*)
// int av_frame_ref(AVFrame *dst, const AVFrame *src);
//
(*
// * Create a new frame that references the same data as src.
// *
// * This is a shortcut for av_frame_alloc()+av_frame_ref().
// *
// * @return newly created AVFrame on success, NULL on error.
*)
// AVFrame *av_frame_clone(const AVFrame *src);
//
(*
// * Unreference all the buffers referenced by frame and reset the frame fields.
*)
// void av_frame_unref(AVFrame *frame);
procedure av_frame_unref(frame: pAVFrame); cdecl;
(*
// * Move everythnig contained in src to dst and reset src.
*)
// void av_frame_move_ref(AVFrame *dst, AVFrame *src);
//
(*
// * Allocate new buffer(s) for audio or video data.
// *
// * The following fields must be set on frame before calling this function:
// * - format (pixel format for video, sample format for audio)
// * - width and height for video
// * - nb_samples and channel_layout for audio
// *
// * This function will fill AVFrame.data and AVFrame.buf arrays and, if
// * necessary, allocate and fill AVFrame.extended_data and AVFrame.extended_buf.
// * For planar formats, one buffer will be allocated for each plane.
// *
// * @param frame frame in which to store the new buffers.
// * @param align required buffer size alignment
// *
// * @return 0 on success, a negative AVERROR on error.
*)
// int av_frame_get_buffer(AVFrame *frame, int align);
//
(*
// * Check if the frame data is writable.
// *
// * @return A positive value if the frame data is writable (which is true if and
// * only if each of the underlying buffers has only one reference, namely the one
// * stored in this frame). Return 0 otherwise.
// *
// * If 1 is returned the answer is valid until av_buffer_ref() is called on any
// * of the underlying AVBufferRefs (e.g. through av_frame_ref() or directly).
// *
// * @see av_frame_make_writable(), av_buffer_is_writable()
*)
// int av_frame_is_writable(AVFrame *frame);
//
(*
// * Ensure that the frame data is writable, avoiding data copy if possible.
// *
// * Do nothing if the frame is writable, allocate new buffers and copy the data
// * if it is not.
// *
// * @return 0 on success, a negative AVERROR on error.
// *
// * @see av_frame_is_writable(), av_buffer_is_writable(),
// * av_buffer_make_writable()
*)
// int av_frame_make_writable(AVFrame *frame);
//
(*
// * Copy only "metadata" fields from src to dst.
// *
// * Metadata for the purpose of this function are those fields that do not affect
// * the data layout in the buffers. E.g. pts, sample rate (for audio) or sample
// * aspect ratio (for video), but not width/height or channel layout.
// * Side data is also copied.
*)
// int av_frame_copy_props(AVFrame *dst, const AVFrame *src);
//
(*
// * Get the buffer reference a given data plane is stored in.
// *
// * @param plane index of the data plane of interest in frame->extended_data.
// *
// * @return the buffer reference that contains the plane or NULL if the input
// * frame is not valid.
*)
// AVBufferRef *av_frame_get_plane_buffer(AVFrame *frame, int plane);
//
(*
// * Add a new side data to a frame.
// *
// * @param frame a frame to which the side data should be added
// * @param type type of the added side data
// * @param size size of the side data
// *
// * @return newly added side data on success, NULL on error
*)
// AVFrameSideData *av_frame_new_side_data(AVFrame *frame,
// enum AVFrameSideDataType type,
// int size);
//
(*
// * @return a pointer to the side data of a given type on success, NULL if there
// * is no side data with such type in this frame.
*)
// AVFrameSideData *av_frame_get_side_data(const AVFrame *frame,
// enum AVFrameSideDataType type);
implementation
uses ffm.lib;
function av_frame_alloc; external avutil_dll;
function av_frame_get_best_effort_timestamp; external avutil_dll;
procedure av_frame_unref; external avutil_dll;
procedure av_frame_free; external avutil_dll;
end.

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@ -1,210 +0,0 @@
unit ffm.imgutils;
{$i ffmpeg.inc}
interface
uses
ffm.pixfmt, ffm.frame;
(*
* This file is part of ffm.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
(*
* Compute the max pixel step for each plane of an image with a
* format described by pixdesc.
*
* The pixel step is the distance in bytes between the first byte of
* the group of bytes which describe a pixel component and the first
* byte of the successive group in the same plane for the same
* component.
*
* @param max_pixsteps an array which is filled with the max pixel step
* for each plane. Since a plane may contain different pixel
* components, the computed max_pixsteps[plane] is relative to the
* component in the plane with the max pixel step.
* @param max_pixstep_comps an array which is filled with the component
* for each plane which has the max pixel step. May be NULL.
*)
// void av_image_fill_max_pixsteps(int max_pixsteps[4], int max_pixstep_comps[4],
// const AVPixFmtDescriptor *pixdesc);
(*
* Compute the size of an image line with format pix_fmt and width
* width for the plane plane.
*
* @return the computed size in bytes
*)
// int av_image_get_linesize(enum AVPixelFormat pix_fmt, int width, int plane);
(*
* Fill plane linesizes for an image with pixel format pix_fmt and
* width width.
*
* @param linesizes array to be filled with the linesize for each plane
* @return >= 0 in case of success, a negative error code otherwise
*)
// int av_image_fill_linesizes(int linesizes[4], enum AVPixelFormat pix_fmt, int width);
(*
* Fill plane data pointers for an image with pixel format pix_fmt and
* height height.
*
* @param data pointers array to be filled with the pointer for each image plane
* @param ptr the pointer to a buffer which will contain the image
* @param linesizes the array containing the linesize for each
* plane, should be filled by av_image_fill_linesizes()
* @return the size in bytes required for the image buffer, a negative
* error code in case of failure
*)
// int av_image_fill_pointers(uint8_t *data[4], enum AVPixelFormat pix_fmt, int height,
// uint8_t *ptr, const int linesizes[4]);
(*
* Allocate an image with size w and h and pixel format pix_fmt, and
* fill pointers and linesizes accordingly.
* The allocated image buffer has to be freed by using
* av_freep(&pointers[0]).
*
* @param align the value to use for buffer size alignment
* @return the size in bytes required for the image buffer, a negative
* error code in case of failure
*)
// int av_image_alloc(uint8_t *pointers[4], int linesizes[4],
// int w, int h, enum AVPixelFormat pix_fmt, int align);
// Type
// TPointers = array [0 .. 3] of pByte;
// pPointers = ^TPointers;
// TLinesizes = array [0 .. 3] of integer;
// pLinesizes = ^TLinesizes;
function av_image_alloc(Var pointers: TAVFrameByteArray; linesizes: TLinesizes; w: integer; h: integer;
pix_fmt: TAVPixelFormat; align: integer): integer; cdecl;
// function av_image_alloc(pointers: pPointers; linesizes: TLinesizes; w: integer; h: integer; pix_fmt: TAVPixelFormat;
// align: integer): integer; overload; cdecl;
(*
* Copy image plane from src to dst.
* That is, copy "height" number of lines of "bytewidth" bytes each.
* The first byte of each successive line is separated by *_linesize
* bytes.
*
* bytewidth must be contained by both absolute values of dst_linesize
* and src_linesize, otherwise the function behavior is undefined.
*
* @param dst_linesize linesize for the image plane in dst
* @param src_linesize linesize for the image plane in src
*)
// void av_image_copy_plane(uint8_t *dst, int dst_linesize,
// const uint8_t *src, int src_linesize,
// int bytewidth, int height);
(*
* Copy image in src_data to dst_data.
*
* @param dst_linesizes linesizes for the image in dst_data
* @param src_linesizes linesizes for the image in src_data
*)
// void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4],
// const uint8_t *src_data[4], const int src_linesizes[4],
// enum AVPixelFormat pix_fmt, int width, int height);
(*
* Setup the data pointers and linesizes based on the specified image
* parameters and the provided array.
*
* The fields of the given image are filled in by using the src
* address which points to the image data buffer. Depending on the
* specified pixel format, one or multiple image data pointers and
* line sizes will be set. If a planar format is specified, several
* pointers will be set pointing to the different picture planes and
* the line sizes of the different planes will be stored in the
* lines_sizes array. Call with src == NULL to get the required
* size for the src buffer.
*
* To allocate the buffer and fill in the dst_data and dst_linesize in
* one call, use av_image_alloc().
*
* @param dst_data data pointers to be filled in
* @param dst_linesizes linesizes for the image in dst_data to be filled in
* @param src buffer which will contain or contains the actual image data, can be NULL
* @param pix_fmt the pixel format of the image
* @param width the width of the image in pixels
* @param height the height of the image in pixels
* @param align the value used in src for linesize alignment
* @return the size in bytes required for src, a negative error code
* in case of failure
*)
// int av_image_fill_arrays(uint8_t *dst_data[4], int dst_linesize[4],
// const uint8_t *src,
// enum AVPixelFormat pix_fmt, int width, int height, int align);
(*
* Return the size in bytes of the amount of data required to store an
* image with the given parameters.
*
* @param[in] align the assumed linesize alignment
*)
// int av_image_get_buffer_size(enum AVPixelFormat pix_fmt, int width, int height, int align);
(*
* Copy image data from an image into a buffer.
*
* av_image_get_buffer_size() can be used to compute the required size
* for the buffer to fill.
*
* @param dst a buffer into which picture data will be copied
* @param dst_size the size in bytes of dst
* @param src_data pointers containing the source image data
* @param src_linesizes linesizes for the image in src_data
* @param pix_fmt the pixel format of the source image
* @param width the width of the source image in pixels
* @param height the height of the source image in pixels
* @param align the assumed linesize alignment for dst
* @return the number of bytes written to dst, or a negative value
* (error code) on error
*)
// int av_image_copy_to_buffer(uint8_t *dst, int dst_size,
// const uint8_t * const src_data[4], const int src_linesize[4],
// enum AVPixelFormat pix_fmt, int width, int height, int align);
(*
* Check if the given dimension of an image is valid, meaning that all
* bytes of the image can be addressed with a signed int.
*
* @param w the width of the picture
* @param h the height of the picture
* @param log_offset the offset to sum to the log level for logging with log_ctx
* @param log_ctx the parent logging context, it may be NULL
* @return >= 0 if valid, a negative error code otherwise
*)
// int av_image_check_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx);
// int avpriv_set_systematic_pal2(uint32_t pal[256], enum AVPixelFormat pix_fmt);
implementation
uses ffm.lib;
function av_image_alloc; external avutil_dll;
// function av_image_alloc(Var pointers: TPointers; linesizes: TLinesizes; w: integer; h: integer; pix_fmt: TAVPixelFormat;
// align: integer): integer; overload; cdecl; external avutil_dll name 'av_image_alloc';
// function av_image_alloc(pointers: pPointers; linesizes: TLinesizes; w: integer; h: integer; pix_fmt: TAVPixelFormat;
// align: integer): integer; overload; cdecl; external avutil_dll name 'av_image_alloc';
end.

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@ -1,19 +0,0 @@
unit ffm.lib;
{$i ffmpeg.inc}
interface
const
avcodec_dll = 'avcodec-57.dll';
avdevice_all = 'avdevice-57.dll';
avfilter_dll = 'avfilter-6.dll';
avformat_dll = 'avformat-57.dll';
avutil_dll = 'avutil-55.dll';
postproc_dll = 'postproc-54.dll';
swresample_dll = 'swresample-2.dll';
swscale_dll = 'swscale-4.dll';
implementation
end.

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@ -1,309 +0,0 @@
(*
// * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
// *
// * This file is part of ffm.
// *
// * FFmpeg is free software; you can redistribute it and/or
// * modify it under the terms of the GNU Lesser General Public
// * License as published by the Free Software Foundation; either
// * version 2.1 of the License, or (at your option) any later version.
// *
// * FFmpeg is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// * Lesser General Public License for more details.
// *
// * You should have received a copy of the GNU Lesser General Public
// * License along with FFmpeg; if not, write to the Free Software
// * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
unit ffm.log;
{$i ffmpeg.inc}
interface
uses
ffm.opt;
Type
PVA_LIST = ^VA_LIST;
VA_LIST = array [0 .. 0] of Pointer;
TAVClassCategory = (AV_CLASS_CATEGORY_NA = 0, AV_CLASS_CATEGORY_INPUT, AV_CLASS_CATEGORY_OUTPUT,
AV_CLASS_CATEGORY_MUXER, AV_CLASS_CATEGORY_DEMUXER, AV_CLASS_CATEGORY_ENCODER, AV_CLASS_CATEGORY_DECODER,
AV_CLASS_CATEGORY_FILTER, AV_CLASS_CATEGORY_BITSTREAM_FILTER, AV_CLASS_CATEGORY_SWSCALER,
AV_CLASS_CATEGORY_SWRESAMPLER, AV_CLASS_CATEGORY_NB);
// struct AVOptionRanges;
(*
// * Describe the class of an AVClass context structure. That is an
// * arbitrary struct of which the first field is a pointer to an
// * AVClass struct (e.g. AVCodecContext, AVFormatContext etc.).
*)
pAVClass = ^TAVClass;
TItem_name = function(ctx: Pointer): PAnsiChar; cdecl;
TChild_next = procedure(obj: Pointer; prev: Pointer); cdecl;
TChild_class_next = function(prev: pAVClass): pAVClass; cdecl;
TGet_category = function(ctx: Pointer): TAVClassCategory; cdecl;
TQuery_ranges = function(av_ranges: ppAVOptionRanges; obj: Pointer; key: PAnsiChar; flag: Integer): Integer; cdecl;
TAVClass = record
(*
* The name of the class; usually it is the same name as the
* context structure type to which the AVClass is associated.
*)
class_name: PAnsiChar;
(*
* A pointer to a function which returns the name of a context
* instance ctx associated with the class.
*)
// const char* (*item_name)(void* ctx);
item_name: TItem_name;
(*
* a pointer to the first option specified in the class if any or NULL
*
* @see av_set_default_options()
*)
option: pAVOption;
(*
* LIBAVUTIL_VERSION with which this structure was created.
* This is used to allow fields to be added without requiring major
* version bumps everywhere.
*)
version: Integer;
(*
* Offset in the structure where log_level_offset is stored.
* 0 means there is no such variable
*)
log_level_offset_offset: Integer;
(*
* Offset in the structure where a pointer to the parent context for
* logging is stored. For example a decoder could pass its AVCodecContext
* to eval as such a parent context, which an av_log() implementation
* could then leverage to display the parent context.
* The offset can be NULL.
*)
parent_log_context_offset: Integer;
(*
* Return next AVOptions-enabled child or NULL
*)
// void* (*child_next)(void *obj, void *prev);
child_next: TChild_next;
(*
* Return an AVClass corresponding to the next potential
* AVOptions-enabled child.
*
* The difference between child_next and this is that
* child_next iterates over _already existing_ objects, while
* child_class_next iterates over _all possible_ children.
*)
// const struct AVClass* (*child_class_next)(const struct AVClass *prev);
child_class_next: TChild_class_next;
(*
* Category used for visualization (like color)
* This is only set if the category is equal for all objects using this class.
* available since version (51 << 16 | 56 << 8 | 100)
*)
category: TAVClassCategory;
(*
* Callback to return the category.
* available since version (51 << 16 | 59 << 8 | 100)
*)
// AVClassCategory (*get_category)(void* ctx);
get_category: TGet_category;
(*
// * Callback to return the supported/allowed ranges.
// * available since version (52.12)
*)
// int (*query_ranges)(struct AVOptionRanges **, void *obj, const char *key, int flags);
query_ranges: TQuery_ranges;
end;
const
(* Print no output. *)
AV_LOG_QUIET = -8;
(* Something went really wrong and we will crash now. *)
AV_LOG_PANIC = 0;
(*
* Something went wrong and recovery is not possible.
* For example, no header was found for a format which depends
* on headers or an illegal combination of parameters is used.
*)
AV_LOG_FATAL = 8;
(*
* Something went wrong and cannot losslessly be recovered.
* However, not all future data is affected.
*)
AV_LOG_ERROR = 16;
(*
* Something somehow does not look correct. This may or may not
* lead to problems. An example would be the use of '-vstrict -2'.
*)
AV_LOG_WARNING = 24;
(*
* Standard information.
*)
AV_LOG_INFO = 32;
(*
* Detailed information.
*)
AV_LOG_VERBOSE = 40;
(*
* Stuff which is only useful for libav* developers.
*)
AV_LOG_DEBUG = 48;
AV_LOG_MAX_OFFSET = (AV_LOG_DEBUG - AV_LOG_QUIET);
(*
* Send the specified message to the log if the level is less than or equal
* to the current av_log_level. By default, all logging messages are sent to
* stderr. This behavior can be altered by setting a different logging callback
* function.
* @see av_log_set_callback
*
* @param avcl A pointer to an arbitrary struct of which the first field is a
* pointer to an AVClass struct.
* @param level The importance level of the message expressed using a @ref
* lavu_log_constants "Logging Constant".
* @param fmt The format string (printf-compatible) that specifies how
* subsequent arguments are converted to output.
*)
// void av_log(void *avcl, int level, const char *fmt, ...) av_printf_format(3, 4);
(*
* Send the specified message to the log if the level is less than or equal
* to the current av_log_level. By default, all logging messages are sent to
* stderr. This behavior can be altered by setting a different logging callback
* function.
* @see av_log_set_callback
*
* @param avcl A pointer to an arbitrary struct of which the first field is a
* pointer to an AVClass struct.
* @param level The importance level of the message expressed using a @ref
* lavu_log_constants "Logging Constant".
* @param fmt The format string (printf-compatible) that specifies how
* subsequent arguments are converted to output.
* @param vl The arguments referenced by the format string.
*)
// void av_vlog(void *avcl, int level, const char *fmt, va_list vl);
(*
* Get the current log level
*
* @see lavu_log_constants
*
* @return Current log level
*)
// int av_log_get_level(void);
function av_log_get_level: Integer; cdecl;
(*
* Set the log level
*
* @see lavu_log_constants
*
* @param level Logging level
*)
// void av_log_set_level(int level);
procedure av_log_set_level(level: Integer); cdecl;
(*
* Set the logging callback
*
* @note The callback must be thread safe, even if the application does not use
* threads itself as some codecs are multithreaded.
*
* @see av_log_default_callback
*
* @param callback A logging function with a compatible signature.
*)
// void av_log_set_callback(void (*callback)(void*, int, const char*, va_list));
Type
Tav_log_set_callback = procedure(prt: Pointer; level: Integer; fmt: PAnsiChar; vl: PVA_LIST); cdecl varargs;
procedure av_log_set_callback(callbackproc: Tav_log_set_callback); cdecl;
(*
* Default logging callback
*
* It prints the message to stderr, optionally colorizing it.
*
* @param avcl A pointer to an arbitrary struct of which the first field is a
* pointer to an AVClass struct.
* @param level The importance level of the message expressed using a @ref
* lavu_log_constants "Logging Constant".
* @param fmt The format string (printf-compatible) that specifies how
* subsequent arguments are converted to output.
* @param ap The arguments referenced by the format string.
*)
// void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl);
(*
* Return the context name
*
* @param ctx The AVClass context
*
* @return The AVClass class_name
*)
// const char* av_default_item_name(void* ctx);
function av_default_item_name(clx: Pointer): PAnsiChar; cdecl;
// AVClassCategory av_default_get_category(void *ptr);
function av_default_get_category(ptr: Pointer): TAVClassCategory; cdecl;
(*
* Format a line of log the same way as the default callback.
* @param line buffer to receive the formated line
* @param line_size size of the buffer
* @param print_prefix used to store whether the prefix must be printed;
* must point to a persistent integer initially set to 1
*)
// void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl,
// char *line, int line_size, int *print_prefix);
procedure av_log_format_line(ptr: Pointer; level: Integer; const fmt: PAnsiChar; vl: PVA_LIST; line: PAnsiChar;
line_size: Integer; Var print_prefix: Integer); cdecl;
(*
* av_dlog macros
* Useful to print debug messages that shouldn't get compiled in normally.
*)
// #ifdef DEBUG
// # define av_dlog(pctx, ...) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__)
// #else
// # define av_dlog(pctx, ...) do { if (0) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__); } while (0)
// #endif
(*
* Skip repeated messages, this requires the user app to use av_log() instead of
* (f)printf as the 2 would otherwise interfere and lead to
* "Last message repeated x times" messages below (f)printf messages with some
* bad luck.
* Also to receive the last, "last repeated" line if any, the user app must
* call av_log(NULL, AV_LOG_QUIET, "%s", ""); at the end
*)
const
AV_LOG_SKIP_REPEATED = 1;
AV_LOG_PRINT_LEVEL = 2;
// void av_log_set_flags(int arg);
procedure av_log_set_flags(arg: Integer); cdecl;
// int av_log_get_flags(void);
function av_log_get_flags: Integer; cdecl;
implementation
uses ffm.lib;
procedure av_log_set_flags; external avutil_dll;
function av_log_get_level; external avutil_dll;
procedure av_log_set_level; external avutil_dll;
function av_default_item_name; external avutil_dll;
function av_default_get_category; external avutil_dll;
function av_log_get_flags; external avutil_dll;
procedure av_log_set_callback; external avutil_dll;
procedure av_log_format_line; external avutil_dll;
end.

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@ -1,169 +0,0 @@
(*
* copyright (c) 2005-2012 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of ffm.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
unit ffm.mathematics;
{$i ffmpeg.inc}
interface
uses
ffm.rational;
{$IFNDEF M_E}
const
M_E = 2.7182818284590452354; (* e *)
{$ENDIF}
{$IFNDEF M_LN2}
const
M_LN2 = 0.69314718055994530942; (* log_e 2 *)
{$ENDIF}
{$IFNDEF M_LN10}
const
M_LN10 = 2.30258509299404568402; (* log_e 10 *)
{$ENDIF}
{$IFNDEF M_LOG2_10}
const
M_LOG2_10 = 3.32192809488736234787; (* log_2 10 *)
{$ENDIF}
{$IFNDEF M_PHI}
const
M_PHI = 1.61803398874989484820; (* phi / golden ratio *)
{$ENDIF}
{$IFNDEF M_PI}
const
M_PI = 3.14159265358979323846; (* pi *)
{$ENDIF}
{$IFNDEF M_SQRT1_2}
const
M_SQRT1_2 = 0.70710678118654752440; (* 1/sqrt(2) *)
{$ENDIF}
{$IFNDEF M_SQRT2}
const
M_SQRT2 = 1.41421356237309504880; (* sqrt(2) *)
{$ENDIF}
{$IFNDEF NAN}
const
NAN = $7FC00000;
{$ENDIF}
{$IFNDEF INFINITY}
const
INFINITY = $7F800000;
{$ENDIF}
Type
TAVRounding = (AV_ROUND_ZERO = 0,
/// < Round toward zero.
AV_ROUND_INF = 1,
/// < Round away from zero.
AV_ROUND_DOWN = 2,
/// < Round toward -infinity.
AV_ROUND_UP = 3,
/// < Round toward +infinity.
AV_ROUND_NEAR_INF = 5,
/// < Round to nearest and halfway cases away from zero.
AV_ROUND_PASS_MINMAX = 8192
/// < Flag to pass INT64_MIN/MAX through instead of rescaling, this avoids special cases for AV_NOPTS_VALUE
);
(*
* Return the greatest common divisor of a and b.
* If both a and b are 0 or either or both are <0 then behavior is
* undefined.
*)
// int64_t av_const av_gcd(int64_t a, int64_t b);
(*
* Rescale a 64-bit integer with rounding to nearest.
* A simple a*b/c isn't possible as it can overflow.
*)
// int64_t av_rescale(int64_t a, int64_t b, int64_t c) av_const;
(*
* Rescale a 64-bit integer with specified rounding.
* A simple a*b/c isn't possible as it can overflow.
*
* @return rescaled value a, or if AV_ROUND_PASS_MINMAX is set and a is
* INT64_MIN or INT64_MAX then a is passed through unchanged.
*)
// int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding) av_const;
(*
* Rescale a 64-bit integer by 2 rational numbers.
*)
// int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq) av_const;
function av_rescale_q(a: int64; bq: TAVRational; cq: TAVRational): int64; cdecl;
(*
* Rescale a 64-bit integer by 2 rational numbers with specified rounding.
*
* @return rescaled value a, or if AV_ROUND_PASS_MINMAX is set and a is
* INT64_MIN or INT64_MAX then a is passed through unchanged.
*)
// int64_t av_rescale_q_rnd(int64_t a, AVRational bq, AVRational cq, enum AVRounding)av_const;
(*
* Compare 2 timestamps each in its own timebases.
* The result of the function is undefined if one of the timestamps
* is outside the int64_t range when represented in the others timebase.
* @return -1 if ts_a is before ts_b, 1 if ts_a is after ts_b or 0 if they represent the same position
*)
// int av_compare_ts(int64_t ts_a, AVRational tb_a, int64_t ts_b, AVRational tb_b);
(*
* Compare 2 integers modulo mod.
* That is we compare integers a and b for which only the least
* significant log2(mod) bits are known.
*
* @param mod must be a power of 2
* @return a negative value if a is smaller than b
* a positive value if a is greater than b
* 0 if a equals b
*)
// int64_t av_compare_mod(uint64_t a, uint64_t b, uint64_t mod);
(*
* Rescale a timestamp while preserving known durations.
*
* @param in_ts Input timestamp
* @param in_tb Input timesbase
* @param fs_tb Duration and *last timebase
* @param duration duration till the next call
* @param out_tb Output timesbase
*)
// int64_t av_rescale_delta(AVRational in_tb, int64_t in_ts, AVRational fs_tb, int duration, int64_t * last, AVRational out_tb);
implementation
uses ffm.lib;
function av_rescale_q; external avutil_dll;
end.

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@ -1,359 +0,0 @@
unit ffm.mem;
{$i ffmpeg.inc}
interface
(*
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of ffm.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
// #if defined(__INTEL_COMPILER) && __INTEL_COMPILER < 1110 || defined(__SUNPRO_C)
// #define DECLARE_ALIGNED(n,t,v) t __attribute__ ((aligned (n))) v
// #define DECLARE_ASM_CONST(n,t,v) const t __attribute__ ((aligned (n))) v
// #elif defined(__TI_COMPILER_VERSION__)
// #define DECLARE_ALIGNED(n,t,v) \
// AV_PRAGMA(DATA_ALIGN(v,n)) \
// t __attribute__((aligned(n))) v
// #define DECLARE_ASM_CONST(n,t,v) \
// AV_PRAGMA(DATA_ALIGN(v,n)) \
// static const t __attribute__((aligned(n))) v
// #elif defined(__GNUC__)
// #define DECLARE_ALIGNED(n,t,v) t __attribute__ ((aligned (n))) v
// #define DECLARE_ASM_CONST(n,t,v) static const t av_used __attribute__ ((aligned (n))) v
// #elif defined(_MSC_VER)
// #define DECLARE_ALIGNED(n,t,v) __declspec(align(n)) t v
// #define DECLARE_ASM_CONST(n,t,v) __declspec(align(n)) static const t v
// #else
// #define DECLARE_ALIGNED(n,t,v) t v
// #define DECLARE_ASM_CONST(n,t,v) static const t v
// #endif
//
// #if AV_GCC_VERSION_AT_LEAST(3,1)
// #define av_malloc_attrib __attribute__((__malloc__))
// #else
// #define av_malloc_attrib
// #endif
//
// #if AV_GCC_VERSION_AT_LEAST(4,3)
// #define av_alloc_size(...) __attribute__((alloc_size(__VA_ARGS__)))
// #else
// #define av_alloc_size(...)
// #endif
(*
* Allocate a block of size bytes with alignment suitable for all
* memory accesses (including vectors if available on the CPU).
* @param size Size in bytes for the memory block to be allocated.
* @return Pointer to the allocated block, NULL if the block cannot
* be allocated.
* @see av_mallocz()
*)
// void *av_malloc(size_t size) av_malloc_attrib av_alloc_size(1);
function av_malloc(size: Cardinal): Pointer; cdecl;
(*
* Allocate a block of size * nmemb bytes with av_malloc().
* @param nmemb Number of elements
* @param size Size of the single element
* @return Pointer to the allocated block, NULL if the block cannot
* be allocated.
* @see av_malloc()
*)
// av_alloc_size(1, 2) static inline void *av_malloc_array(size_t nmemb, size_t size)
{
if (!size || nmemb >= INT_MAX / size)
return NULL;
return av_malloc(nmemb * size);
}
(*
* Allocate or reallocate a block of memory.
* If ptr is NULL and size > 0, allocate a new block. If
* size is zero, free the memory block pointed to by ptr.
* @param ptr Pointer to a memory block already allocated with
* av_realloc() or NULL.
* @param size Size in bytes of the memory block to be allocated or
* reallocated.
* @return Pointer to a newly-reallocated block or NULL if the block
* cannot be reallocated or the function is used to free the memory block.
* @warning Pointers originating from the av_malloc() family of functions must
* not be passed to av_realloc(). The former can be implemented using
* memalign() (or other functions), and there is no guarantee that
* pointers from such functions can be passed to realloc() at all.
* The situation is undefined according to POSIX and may crash with
* some libc implementations.
* @see av_fast_realloc()
*)
// void *av_realloc(void *ptr, size_t size) av_alloc_size(2);
(*
* Allocate or reallocate a block of memory.
* This function does the same thing as av_realloc, except:
* - It takes two arguments and checks the result of the multiplication for
* integer overflow.
* - It frees the input block in case of failure, thus avoiding the memory
* leak with the classic "buf = realloc(buf); if (!buf) return -1;".
*)
// void *av_realloc_f(void *ptr, size_t nelem, size_t elsize);
(*
* Allocate or reallocate a block of memory.
* If *ptr is NULL and size > 0, allocate a new block. If
* size is zero, free the memory block pointed to by ptr.
* @param ptr Pointer to a pointer to a memory block already allocated
* with av_realloc(), or pointer to a pointer to NULL.
* The pointer is updated on success, or freed on failure.
* @param size Size in bytes for the memory block to be allocated or
* reallocated
* @return Zero on success, an AVERROR error code on failure.
* @warning Pointers originating from the av_malloc() family of functions must
* not be passed to av_reallocp(). The former can be implemented using
* memalign() (or other functions), and there is no guarantee that
* pointers from such functions can be passed to realloc() at all.
* The situation is undefined according to POSIX and may crash with
* some libc implementations.
*)
// int av_reallocp(void *ptr, size_t size);
(*
* Allocate or reallocate an array.
* If ptr is NULL and nmemb > 0, allocate a new block. If
* nmemb is zero, free the memory block pointed to by ptr.
* @param ptr Pointer to a memory block already allocated with
* av_realloc() or NULL.
* @param nmemb Number of elements
* @param size Size of the single element
* @return Pointer to a newly-reallocated block or NULL if the block
* cannot be reallocated or the function is used to free the memory block.
* @warning Pointers originating from the av_malloc() family of functions must
* not be passed to av_realloc(). The former can be implemented using
* memalign() (or other functions), and there is no guarantee that
* pointers from such functions can be passed to realloc() at all.
* The situation is undefined according to POSIX and may crash with
* some libc implementations.
*)
// av_alloc_size(2, 3) void *av_realloc_array(void *ptr, size_t nmemb, size_t size);
(*
* Allocate or reallocate an array through a pointer to a pointer.
* If *ptr is NULL and nmemb > 0, allocate a new block. If
* nmemb is zero, free the memory block pointed to by ptr.
* @param ptr Pointer to a pointer to a memory block already allocated
* with av_realloc(), or pointer to a pointer to NULL.
* The pointer is updated on success, or freed on failure.
* @param nmemb Number of elements
* @param size Size of the single element
* @return Zero on success, an AVERROR error code on failure.
* @warning Pointers originating from the av_malloc() family of functions must
* not be passed to av_realloc(). The former can be implemented using
* memalign() (or other functions), and there is no guarantee that
* pointers from such functions can be passed to realloc() at all.
* The situation is undefined according to POSIX and may crash with
* some libc implementations.
*)
// av_alloc_size(2, 3) int av_reallocp_array(void *ptr, size_t nmemb, size_t size);
(*
* Free a memory block which has been allocated with av_malloc(z)() or
* av_realloc().
* @param ptr Pointer to the memory block which should be freed.
* @note ptr = NULL is explicitly allowed.
* @note It is recommended that you use av_freep() instead.
* @see av_freep()
*)
// void av_free(void *ptr);
procedure av_free(ptr: Pointer); cdecl;
(*
* Allocate a block of size bytes with alignment suitable for all
* memory accesses (including vectors if available on the CPU) and
* zero all the bytes of the block.
* @param size Size in bytes for the memory block to be allocated.
* @return Pointer to the allocated block, NULL if it cannot be allocated.
* @see av_malloc()
*)
// void *av_mallocz(size_t size) av_malloc_attrib av_alloc_size(1);
function av_mallocz(size: Cardinal): Pointer; cdecl;
(*
* Allocate a block of nmemb * size bytes with alignment suitable for all
* memory accesses (including vectors if available on the CPU) and
* zero all the bytes of the block.
* The allocation will fail if nmemb * size is greater than or equal
* to INT_MAX.
* @param nmemb
* @param size
* @return Pointer to the allocated block, NULL if it cannot be allocated.
*)
// void *av_calloc(size_t nmemb, size_t size) av_malloc_attrib;
(*
* Allocate a block of size * nmemb bytes with av_mallocz().
* @param nmemb Number of elements
* @param size Size of the single element
* @return Pointer to the allocated block, NULL if the block cannot
* be allocated.
* @see av_mallocz()
* @see av_malloc_array()
*)
// av_alloc_size(1, 2) static inline void *av_mallocz_array(size_t nmemb, size_t size)
{
if (!size || nmemb >= INT_MAX / size)
return NULL;
return av_mallocz(nmemb * size);
}
(*
* Duplicate the string s.
* @param s string to be duplicated
* @return Pointer to a newly-allocated string containing a
* copy of s or NULL if the string cannot be allocated.
*)
// char *av_strdup(const char *s) av_malloc_attrib;
function av_strdup(const s: pAnsiChar): pAnsiChar; cdecl;
(*
* Duplicate the buffer p.
* @param p buffer to be duplicated
* @return Pointer to a newly allocated buffer containing a
* copy of p or NULL if the buffer cannot be allocated.
*)
// void *av_memdup(const void *p, size_t size);
(*
* Free a memory block which has been allocated with av_malloc(z)() or
* av_realloc() and set the pointer pointing to it to NULL.
* @param ptr Pointer to the pointer to the memory block which should
* be freed.
* @see av_free()
*)
// void av_freep(void *ptr);
procedure av_freep(ptr: Pointer); cdecl;
(*
* Add an element to a dynamic array.
*
* The array to grow is supposed to be an array of pointers to
* structures, and the element to add must be a pointer to an already
* allocated structure.
*
* The array is reallocated when its size reaches powers of 2.
* Therefore, the amortized cost of adding an element is constant.
*
* In case of success, the pointer to the array is updated in order to
* point to the new grown array, and the number pointed to by nb_ptr
* is incremented.
* In case of failure, the array is freed, *tab_ptr is set to NULL and
* *nb_ptr is set to 0.
*
* @param tab_ptr pointer to the array to grow
* @param nb_ptr pointer to the number of elements in the array
* @param elem element to add
* @see av_dynarray2_add()
*)
// void av_dynarray_add(void *tab_ptr, int *nb_ptr, void *elem);
(*
* Add an element of size elem_size to a dynamic array.
*
* The array is reallocated when its number of elements reaches powers of 2.
* Therefore, the amortized cost of adding an element is constant.
*
* In case of success, the pointer to the array is updated in order to
* point to the new grown array, and the number pointed to by nb_ptr
* is incremented.
* In case of failure, the array is freed, *tab_ptr is set to NULL and
* *nb_ptr is set to 0.
*
* @param tab_ptr pointer to the array to grow
* @param nb_ptr pointer to the number of elements in the array
* @param elem_size size in bytes of the elements in the array
* @param elem_data pointer to the data of the element to add. If NULL, the space of
* the new added element is not filled.
* @return pointer to the data of the element to copy in the new allocated space.
* If NULL, the new allocated space is left uninitialized."
* @see av_dynarray_add()
*)
// void *av_dynarray2_add(void **tab_ptr, int *nb_ptr, size_t elem_size,
// const uint8_t *elem_data);
(*
* Multiply two size_t values checking for overflow.
* @return 0 if success, AVERROR(EINVAL) if overflow.
*)
// static inline int av_size_mult(size_t a, size_t b, size_t *r)
{
size_t t = a * b;
(* Hack inspired from glibc: only try the division if nelem and elsize
* are both greater than sqrt(SIZE_MAX). *)
if ((a | b) >= ((size_t)1 << (sizeof(size_t) * 4)) && a && t / a != b)
return AVERROR(EINVAL);
*r = t;
return 0;
}
(*
* Set the maximum size that may me allocated in one block.
*)
// void av_max_alloc(size_t max);
(*
* deliberately overlapping memcpy implementation
* @param dst destination buffer
* @param back how many bytes back we start (the initial size of the overlapping window), must be > 0
* @param cnt number of bytes to copy, must be >= 0
*
* cnt > back is valid, this will copy the bytes we just copied,
* thus creating a repeating pattern with a period length of back.
*)
// void av_memcpy_backptr(uint8_t *dst, int back, int cnt);
(*
* Reallocate the given block if it is not large enough, otherwise do nothing.
*
* @see av_realloc
*)
// void *av_fast_realloc(void *ptr, unsigned int *size, size_t min_size);
(*
* Allocate a buffer, reusing the given one if large enough.
*
* Contrary to av_fast_realloc the current buffer contents might not be
* preserved and on error the old buffer is freed, thus no special
* handling to avoid memleaks is necessary.
*
* @param ptr pointer to pointer to already allocated buffer, overwritten with pointer to new buffer
* @param size size of the buffer *ptr points to
* @param min_size minimum size of *ptr buffer after returning, *ptr will be NULL and
* *size 0 if an error occurred.
*)
// void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size);
implementation
uses ffm.lib;
procedure av_free; external avutil_dll;
procedure av_freep; external avutil_dll;
function av_strdup; external avutil_dll;
function av_malloc; external avutil_dll;
function av_mallocz; external avutil_dll;
end.

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@ -1,792 +0,0 @@
unit ffm.opt;
{$i ffmpeg.inc}
interface
uses
ffm.ctypes, ffm.rational;
/// *
// * AVOptions
// * copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
// *
// * This file is part of ffm.
// *
// * FFmpeg is free software; you can redistribute it and/or
// * modify it under the terms of the GNU Lesser General Public
// * License as published by the Free Software Foundation; either
// * version 2.1 of the License, or (at your option) any later version.
// *
// * FFmpeg is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// * Lesser General Public License for more details.
// *
// * You should have received a copy of the GNU Lesser General Public
// * License along with FFmpeg; if not, write to the Free Software
// * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
// */
//
/// **
// * @file
// * AVOptions
// */
//
// #include "rational.h"
// #include "avutil.h"
// #include "dict.h"
// #include "log.h"
// #include "pixfmt.h"
// #include "samplefmt.h"
//
/// **
// * @defgroup avoptions AVOptions
// * @ingroup lavu_data
// * @{
// * AVOptions provide a generic system to declare options on arbitrary structs
// * ("objects"). An option can have a help text, a type and a range of possible
// * values. Options may then be enumerated, read and written to.
// *
// * @section avoptions_implement Implementing AVOptions
// * This section describes how to add AVOptions capabilities to a struct.
// *
// * All AVOptions-related information is stored in an AVClass. Therefore
// * the first member of the struct should be a pointer to an AVClass describing it.
// * The option field of the AVClass must be set to a NULL-terminated static array
// * of AVOptions. Each AVOption must have a non-empty name, a type, a default
// * value and for number-type AVOptions also a range of allowed values. It must
// * also declare an offset in bytes from the start of the struct, where the field
// * associated with this AVOption is located. Other fields in the AVOption struct
// * should also be set when applicable, but are not required.
// *
// * The following example illustrates an AVOptions-enabled struct:
// * @code
// * typedef struct test_struct {
// * AVClass *class;
// * int int_opt;
// * char *str_opt;
// * uint8_t *bin_opt;
// * int bin_len;
// * } test_struct;
// *
// * static const AVOption test_options[] = {
// * { "test_int", "This is a test option of int type.", offsetof(test_struct, int_opt),
// * AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX },
// * { "test_str", "This is a test option of string type.", offsetof(test_struct, str_opt),
// * AV_OPT_TYPE_STRING },
// * { "test_bin", "This is a test option of binary type.", offsetof(test_struct, bin_opt),
// * AV_OPT_TYPE_BINARY },
// * { NULL },
// * };
// *
// * static const AVClass test_class = {
// * .class_name = "test class",
// * .item_name = av_default_item_name,
// * .option = test_options,
// * .version = LIBAVUTIL_VERSION_INT,
// * };
// * @endcode
// *
// * Next, when allocating your struct, you must ensure that the AVClass pointer
// * is set to the correct value. Then, av_opt_set_defaults() can be called to
// * initialize defaults. After that the struct is ready to be used with the
// * AVOptions API.
// *
// * When cleaning up, you may use the av_opt_free() function to automatically
// * free all the allocated string and binary options.
// *
// * Continuing with the above example:
// *
// * @code
// * test_struct *alloc_test_struct(void)
// * {
// * test_struct *ret = av_malloc(sizeof(*ret));
// * ret->class = &test_class;
// * av_opt_set_defaults(ret);
// * return ret;
// * }
// * void free_test_struct(test_struct **foo)
// * {
// * av_opt_free(*foo);
// * av_freep(foo);
// * }
// * @endcode
// *
// * @subsection avoptions_implement_nesting Nesting
// * It may happen that an AVOptions-enabled struct contains another
// * AVOptions-enabled struct as a member (e.g. AVCodecContext in
// * libavcodec exports generic options, while its priv_data field exports
// * codec-specific options). In such a case, it is possible to set up the
// * parent struct to export a child's options. To do that, simply
// * implement AVClass.child_next() and AVClass.child_class_next() in the
// * parent struct's AVClass.
// * Assuming that the test_struct from above now also contains a
// * child_struct field:
// *
// * @code
// * typedef struct child_struct {
// * AVClass *class;
// * int flags_opt;
// * } child_struct;
// * static const AVOption child_opts[] = {
// * { "test_flags", "This is a test option of flags type.",
// * offsetof(child_struct, flags_opt), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT_MIN, INT_MAX },
// * { NULL },
// * };
// * static const AVClass child_class = {
// * .class_name = "child class",
// * .item_name = av_default_item_name,
// * .option = child_opts,
// * .version = LIBAVUTIL_VERSION_INT,
// * };
// *
// * void *child_next(void *obj, void *prev)
// * {
// * test_struct *t = obj;
// * if (!prev && t->child_struct)
// * return t->child_struct;
// * return NULL
// * }
// * const AVClass child_class_next(const AVClass *prev)
// * {
// * return prev ? NULL : &child_class;
// * }
// * @endcode
// * Putting child_next() and child_class_next() as defined above into
// * test_class will now make child_struct's options accessible through
// * test_struct (again, proper setup as described above needs to be done on
// * child_struct right after it is created).
// *
// * From the above example it might not be clear why both child_next()
// * and child_class_next() are needed. The distinction is that child_next()
// * iterates over actually existing objects, while child_class_next()
// * iterates over all possible child classes. E.g. if an AVCodecContext
// * was initialized to use a codec which has private options, then its
// * child_next() will return AVCodecContext.priv_data and finish
// * iterating. OTOH child_class_next() on AVCodecContext.av_class will
// * iterate over all available codecs with private options.
// *
// * @subsection avoptions_implement_named_constants Named constants
// * It is possible to create named constants for options. Simply set the unit
// * field of the option the constants should apply to a string and
// * create the constants themselves as options of type AV_OPT_TYPE_CONST
// * with their unit field set to the same string.
// * Their default_val field should contain the value of the named
// * constant.
// * For example, to add some named constants for the test_flags option
// * above, put the following into the child_opts array:
// * @code
// * { "test_flags", "This is a test option of flags type.",
// * offsetof(child_struct, flags_opt), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT_MIN, INT_MAX, "test_unit" },
// * { "flag1", "This is a flag with value 16", 0, AV_OPT_TYPE_CONST, { .i64 = 16 }, 0, 0, "test_unit" },
// * @endcode
// *
// * @section avoptions_use Using AVOptions
// * This section deals with accessing options in an AVOptions-enabled struct.
// * Such structs in FFmpeg are e.g. AVCodecContext in libavcodec or
// * AVFormatContext in libavformat.
// *
// * @subsection avoptions_use_examine Examining AVOptions
// * The basic functions for examining options are av_opt_next(), which iterates
// * over all options defined for one object, and av_opt_find(), which searches
// * for an option with the given name.
// *
// * The situation is more complicated with nesting. An AVOptions-enabled struct
// * may have AVOptions-enabled children. Passing the AV_OPT_SEARCH_CHILDREN flag
// * to av_opt_find() will make the function search children recursively.
// *
// * For enumerating there are basically two cases. The first is when you want to
// * get all options that may potentially exist on the struct and its children
// * (e.g. when constructing documentation). In that case you should call
// * av_opt_child_class_next() recursively on the parent struct's AVClass. The
// * second case is when you have an already initialized struct with all its
// * children and you want to get all options that can be actually written or read
// * from it. In that case you should call av_opt_child_next() recursively (and
// * av_opt_next() on each result).
// *
// * @subsection avoptions_use_get_set Reading and writing AVOptions
// * When setting options, you often have a string read directly from the
// * user. In such a case, simply passing it to av_opt_set() is enough. For
// * non-string type options, av_opt_set() will parse the string according to the
// * option type.
// *
// * Similarly av_opt_get() will read any option type and convert it to a string
// * which will be returned. Do not forget that the string is allocated, so you
// * have to free it with av_free().
// *
// * In some cases it may be more convenient to put all options into an
// * AVDictionary and call av_opt_set_dict() on it. A specific case of this
// * are the format/codec open functions in lavf/lavc which take a dictionary
// * filled with option as a parameter. This allows to set some options
// * that cannot be set otherwise, since e.g. the input file format is not known
// * before the file is actually opened.
// */
Type
TAVOptionType = (
{ } AV_OPT_TYPE_FLAGS,
{ } AV_OPT_TYPE_INT,
{ } AV_OPT_TYPE_INT64,
{ } AV_OPT_TYPE_DOUBLE,
{ } AV_OPT_TYPE_FLOAT,
{ } AV_OPT_TYPE_STRING,
{ } AV_OPT_TYPE_RATIONAL,
{ } AV_OPT_TYPE_BINARY,
// < offset must point to a pointer immediately followed by an int for the length
{ } AV_OPT_TYPE_CONST = 128,
{ } AV_OPT_TYPE_IMAGE_SIZE = $53495A45,
// MKBETAG('S', 'I', 'Z', 'E'), // < offset must point to two consecutive integers
{ } AV_OPT_TYPE_PIXEL_FMT = $50464D54, // MKBETAG('P', 'F', 'M', 'T'),
{ } AV_OPT_TYPE_SAMPLE_FMT = $53464D54, // MKBETAG('S', 'F', 'M', 'T'),
{ } AV_OPT_TYPE_VIDEO_RATE = $56524154, // MKBETAG('V', 'R', 'A', 'T'), // < offset must point to AVRational
{ } AV_OPT_TYPE_DURATION = $44555220, // MKBETAG('D', 'U', 'R', ' '),
{ } AV_OPT_TYPE_COLOR = $434F4C52, // MKBETAG('C', 'O', 'L', 'R'),
{ } AV_OPT_TYPE_CHANNEL_LAYOUT = $43484C41 // MKBETAG('C', 'H', 'L', 'A'),
{$IFDEF FF_API_OLD_AVOPTIONS}
,
{ } FF_OPT_TYPE_FLAGS = 0,
{ } FF_OPT_TYPE_INT,
{ } FF_OPT_TYPE_INT64,
{ } FF_OPT_TYPE_DOUBLE,
{ } FF_OPT_TYPE_FLOAT,
{ } FF_OPT_TYPE_STRING,
{ } FF_OPT_TYPE_RATIONAL,
{ } FF_OPT_TYPE_BINARY, // < offset must point to a pointer immediately followed by an int for the length
{ } FF_OPT_TYPE_CONST = 128
{$ENDIF}
);
Const
AV_OPT_FLAG_ENCODING_PARAM = 1;
/// < a generic parameter which can be set by the user for muxing or encoding
AV_OPT_FLAG_DECODING_PARAM = 2;
/// < a generic parameter which can be set by the user for demuxing or decoding
AV_OPT_FLAG_METADATA = 4;
/// < some data extracted or inserted into the file like title, comment, ...
AV_OPT_FLAG_AUDIO_PARAM = 8;
AV_OPT_FLAG_VIDEO_PARAM = 16;
AV_OPT_FLAG_SUBTITLE_PARAM = 32;
AV_OPT_FLAG_FILTERING_PARAM = (1 shl 16);
/// < a generic parameter which can be set by the user for filtering
///
Type
(*
* AVOption
*)
pAVOption = ^TAVOption;
TAVOption = { packed } record
name: pAnsiChar;
(*
* short English help text
* @todo What about other languages?
*)
help: pAnsiChar;
(*
* The offset relative to the context structure where the option
* value is stored. It should be 0 for named constants.
*)
offset: Integer;
_type: TAVOptionType;
(*
* the default value for scalar options
*)
default_val: record case cint of 0: (i64: cint64);
1: (dbl: cdouble);
2: (str: pAnsiChar);
(* TODO those are unused now *)
3: (q: TAVRational);
end;
min:
double;
/// < minimum valid value for the option
max:
double;
/// < maximum valid value for the option
flags:
Integer;
// FIXME think about enc-audio, ... style flags
(*
* The logical unit to which the option belongs. Non-constant
* options and corresponding named constants share the same
* unit. May be NULL.
*)
_unit:
pAnsiChar;
end;
(*
// * A single allowed range of values, or a single allowed value.
*)
pAVOptionRange = ^TAVOptionRange;
ppAVOptionRange = ^pAVOptionRange;
TAVOptionRange = { packed } record str: pAnsiChar;
value_min, value_max: double;
/// < For string ranges this represents the min/max length, for dimensions this represents the min/max pixel count
component_min, component_max: double;
/// < For string this represents the unicode range for chars, 0-127 limits to ASCII
is_range:
Integer;
/// < if set to 1 the struct encodes a range, if set to 0 a single value
end;
(*
// * List of AVOptionRange structs
*)
pAVOptionRanges = ^TAVOptionRanges;
ppAVOptionRanges = ^pAVOptionRanges;
TAVOptionRanges = { packed } record range: ppAVOptionRange;
nb_ranges:
Integer;
end;
//
// #if FF_API_FIND_OPT
(*
// * Look for an option in obj. Look only for the options which
// * have the flags set as specified in mask and flags (that is,
// * for which it is the case that (opt->flags & mask) == flags).
// *
// * @param[in] obj a pointer to a struct whose first element is a
// * pointer to an AVClass
// * @param[in] name the name of the option to look for
// * @param[in] unit the unit of the option to look for, or any if NULL
// * @return a pointer to the option found, or NULL if no option
// * has been found
// *
// * @deprecated use av_opt_find.
*)
// attribute_deprecated
// const AVOption *av_find_opt(void *obj, const char *name, const char *unit, int mask, int flags);
// #endif
//
// #if FF_API_OLD_AVOPTIONS
(*
// * Set the field of obj with the given name to value.
// *
// * @param[in] obj A struct whose first element is a pointer to an
// * AVClass.
// * @param[in] name the name of the field to set
// * @param[in] val The value to set. If the field is not of a string
// * type, then the given string is parsed.
// * SI postfixes and some named scalars are supported.
// * If the field is of a numeric type, it has to be a numeric or named
// * scalar. Behavior with more than one scalar and +- infix operators
// * is undefined.
// * If the field is of a flags type, it has to be a sequence of numeric
// * scalars or named flags separated by '+' or '-'. Prefixing a flag
// * with '+' causes it to be set without affecting the other flags;
// * similarly, '-' unsets a flag.
// * @param[out] o_out if non-NULL put here a pointer to the AVOption
// * found
// * @param alloc this parameter is currently ignored
// * @return 0 if the value has been set, or an AVERROR code in case of
// * error:
// * AVERROR_OPTION_NOT_FOUND if no matching option exists
// * AVERROR(ERANGE) if the value is out of range
// * AVERROR(EINVAL) if the value is not valid
// * @deprecated use av_opt_set()
*)
// attribute_deprecated
// int av_set_string3(void *obj, const char *name, const char *val, int alloc, const AVOption **o_out);
//
// attribute_deprecated const AVOption *av_set_double(void *obj, const char *name, double n);
// attribute_deprecated const AVOption *av_set_q(void *obj, const char *name, AVRational n);
// attribute_deprecated const AVOption *av_set_int(void *obj, const char *name, int64_t n);
//
// double av_get_double(void *obj, const char *name, const AVOption **o_out);
// AVRational av_get_q(void *obj, const char *name, const AVOption **o_out);
// int64_t av_get_int(void *obj, const char *name, const AVOption **o_out);
// attribute_deprecated const char *av_get_string(void *obj, const char *name, const AVOption **o_out, char *buf, int buf_len);
// attribute_deprecated const AVOption *av_next_option(void *obj, const AVOption *last);
// #endif
//
(*
// * Show the obj options.
// *
// * @param req_flags requested flags for the options to show. Show only the
// * options for which it is opt->flags & req_flags.
// * @param rej_flags rejected flags for the options to show. Show only the
// * options for which it is !(opt->flags & req_flags).
// * @param av_log_obj log context to use for showing the options
*)
// int av_opt_show2(void *obj, void *av_log_obj, int req_flags, int rej_flags);
//
(*
// * Set the values of all AVOption fields to their default values.
// *
// * @param s an AVOption-enabled struct (its first member must be a pointer to AVClass)
*)
// void av_opt_set_defaults(void *s);
//
// #if FF_API_OLD_AVOPTIONS
// attribute_deprecated
// void av_opt_set_defaults2(void *s, int mask, int flags);
// #endif
//
(*
// * Parse the key/value pairs list in opts. For each key/value pair
// * found, stores the value in the field in ctx that is named like the
// * key. ctx must be an AVClass context, storing is done using
// * AVOptions.
// *
// * @param opts options string to parse, may be NULL
// * @param key_val_sep a 0-terminated list of characters used to
// * separate key from value
// * @param pairs_sep a 0-terminated list of characters used to separate
// * two pairs from each other
// * @return the number of successfully set key/value pairs, or a negative
// * value corresponding to an AVERROR code in case of error:
// * AVERROR(EINVAL) if opts cannot be parsed,
// * the error code issued by av_set_string3() if a key/value pair
// * cannot be set
*)
// int av_set_options_string(void *ctx, const char *opts,
// const char *key_val_sep, const char *pairs_sep);
//
(*
// * Parse the key-value pairs list in opts. For each key=value pair found,
// * set the value of the corresponding option in ctx.
// *
// * @param ctx the AVClass object to set options on
// * @param opts the options string, key-value pairs separated by a
// * delimiter
// * @param shorthand a NULL-terminated array of options names for shorthand
// * notation: if the first field in opts has no key part,
// * the key is taken from the first element of shorthand;
// * then again for the second, etc., until either opts is
// * finished, shorthand is finished or a named option is
// * found; after that, all options must be named
// * @param key_val_sep a 0-terminated list of characters used to separate
// * key from value, for example '='
// * @param pairs_sep a 0-terminated list of characters used to separate
// * two pairs from each other, for example ':' or ','
// * @return the number of successfully set key=value pairs, or a negative
// * value corresponding to an AVERROR code in case of error:
// * AVERROR(EINVAL) if opts cannot be parsed,
// * the error code issued by av_set_string3() if a key/value pair
// * cannot be set
// *
// * Options names must use only the following characters: a-z A-Z 0-9 - . / _
// * Separators must use characters distinct from option names and from each
// * other.
*)
// int av_opt_set_from_string(void *ctx, const char *opts,
// const char *const *shorthand,
// const char *key_val_sep, const char *pairs_sep);
(*
// * Free all string and binary options in obj.
*)
// void av_opt_free(void *obj);
//
/// **
// * Check whether a particular flag is set in a flags field.
// *
// * @param field_name the name of the flag field option
// * @param flag_name the name of the flag to check
// * @return non-zero if the flag is set, zero if the flag isn't set,
// * isn't of the right type, or the flags field doesn't exist.
// */
// int av_opt_flag_is_set(void *obj, const char *field_name, const char *flag_name);
//
/// **
// * Set all the options from a given dictionary on an object.
// *
// * @param obj a struct whose first element is a pointer to AVClass
// * @param options options to process. This dictionary will be freed and replaced
// * by a new one containing all options not found in obj.
// * Of course this new dictionary needs to be freed by caller
// * with av_dict_free().
// *
// * @return 0 on success, a negative AVERROR if some option was found in obj,
// * but could not be set.
// *
// * @see av_dict_copy()
// */
// int av_opt_set_dict(void *obj, struct AVDictionary **options);
//
/// **
// * Extract a key-value pair from the beginning of a string.
// *
// * @param ropts pointer to the options string, will be updated to
// * point to the rest of the string (one of the pairs_sep
// * or the final NUL)
// * @param key_val_sep a 0-terminated list of characters used to separate
// * key from value, for example '='
// * @param pairs_sep a 0-terminated list of characters used to separate
// * two pairs from each other, for example ':' or ','
// * @param flags flags; see the AV_OPT_FLAG_* values below
// * @param rkey parsed key; must be freed using av_free()
// * @param rval parsed value; must be freed using av_free()
// *
// * @return >=0 for success, or a negative value corresponding to an
// * AVERROR code in case of error; in particular:
// * AVERROR(EINVAL) if no key is present
// *
// */
// int av_opt_get_key_value(const char **ropts,
// const char *key_val_sep, const char *pairs_sep,
// unsigned flags,
// char **rkey, char **rval);
//
// enum {
//
// /**
// * Accept to parse a value without a key; the key will then be returned
// * as NULL.
// */
// AV_OPT_FLAG_IMPLICIT_KEY = 1,
// };
//
/// **
// * @defgroup opt_eval_funcs Evaluating option strings
// * @{
// * This group of functions can be used to evaluate option strings
// * and get numbers out of them. They do the same thing as av_opt_set(),
// * except the result is written into the caller-supplied pointer.
// *
// * @param obj a struct whose first element is a pointer to AVClass.
// * @param o an option for which the string is to be evaluated.
// * @param val string to be evaluated.
// * @param *_out value of the string will be written here.
// *
// * @return 0 on success, a negative number on failure.
// */
// int av_opt_eval_flags (void *obj, const AVOption *o, const char *val, int *flags_out);
// int av_opt_eval_int (void *obj, const AVOption *o, const char *val, int *int_out);
// int av_opt_eval_int64 (void *obj, const AVOption *o, const char *val, int64_t *int64_out);
// int av_opt_eval_float (void *obj, const AVOption *o, const char *val, float *float_out);
// int av_opt_eval_double(void *obj, const AVOption *o, const char *val, double *double_out);
// int av_opt_eval_q (void *obj, const AVOption *o, const char *val, AVRational *q_out);
const
AV_OPT_SEARCH_CHILDREN = $0001; (* *< Search in possible children of the given object first. *)
(*
* The obj passed to av_opt_find() is fake -- only a double pointer to AVClass
* instead of a required pointer to a struct containing AVClass. This is
* useful for searching for options without needing to allocate the corresponding
* object.
*)
// #define AV_OPT_SEARCH_FAKE_OBJ 0x0002
//
/// **
// * Look for an option in an object. Consider only options which
// * have all the specified flags set.
// *
// * @param[in] obj A pointer to a struct whose first element is a
// * pointer to an AVClass.
// * Alternatively a double pointer to an AVClass, if
// * AV_OPT_SEARCH_FAKE_OBJ search flag is set.
// * @param[in] name The name of the option to look for.
// * @param[in] unit When searching for named constants, name of the unit
// * it belongs to.
// * @param opt_flags Find only options with all the specified flags set (AV_OPT_FLAG).
// * @param search_flags A combination of AV_OPT_SEARCH_*.
// *
// * @return A pointer to the option found, or NULL if no option
// * was found.
// *
// * @note Options found with AV_OPT_SEARCH_CHILDREN flag may not be settable
// * directly with av_set_string3(). Use special calls which take an options
// * AVDictionary (e.g. avformat_open_input()) to set options found with this
// * flag.
// */
// const AVOption *av_opt_find(void *obj, const char *name, const char *unit,
// int opt_flags, int search_flags);
//
/// **
// * Look for an option in an object. Consider only options which
// * have all the specified flags set.
// *
// * @param[in] obj A pointer to a struct whose first element is a
// * pointer to an AVClass.
// * Alternatively a double pointer to an AVClass, if
// * AV_OPT_SEARCH_FAKE_OBJ search flag is set.
// * @param[in] name The name of the option to look for.
// * @param[in] unit When searching for named constants, name of the unit
// * it belongs to.
// * @param opt_flags Find only options with all the specified flags set (AV_OPT_FLAG).
// * @param search_flags A combination of AV_OPT_SEARCH_*.
// * @param[out] target_obj if non-NULL, an object to which the option belongs will be
// * written here. It may be different from obj if AV_OPT_SEARCH_CHILDREN is present
// * in search_flags. This parameter is ignored if search_flags contain
// * AV_OPT_SEARCH_FAKE_OBJ.
// *
// * @return A pointer to the option found, or NULL if no option
// * was found.
// */
// const AVOption *av_opt_find2(void *obj, const char *name, const char *unit,
// int opt_flags, int search_flags, void **target_obj);
//
/// **
// * Iterate over all AVOptions belonging to obj.
// *
// * @param obj an AVOptions-enabled struct or a double pointer to an
// * AVClass describing it.
// * @param prev result of the previous call to av_opt_next() on this object
// * or NULL
// * @return next AVOption or NULL
// */
// const AVOption *av_opt_next(void *obj, const AVOption *prev);
//
/// **
// * Iterate over AVOptions-enabled children of obj.
// *
// * @param prev result of a previous call to this function or NULL
// * @return next AVOptions-enabled child or NULL
// */
// void *av_opt_child_next(void *obj, void *prev);
//
/// **
// * Iterate over potential AVOptions-enabled children of parent.
// *
// * @param prev result of a previous call to this function or NULL
// * @return AVClass corresponding to next potential child or NULL
// */
// const AVClass *av_opt_child_class_next(const AVClass *parent, const AVClass *prev);
//
/// **
// * @defgroup opt_set_funcs Option setting functions
// * @{
// * Those functions set the field of obj with the given name to value.
// *
// * @param[in] obj A struct whose first element is a pointer to an AVClass.
// * @param[in] name the name of the field to set
// * @param[in] val The value to set. In case of av_opt_set() if the field is not
// * of a string type, then the given string is parsed.
// * SI postfixes and some named scalars are supported.
// * If the field is of a numeric type, it has to be a numeric or named
// * scalar. Behavior with more than one scalar and +- infix operators
// * is undefined.
// * If the field is of a flags type, it has to be a sequence of numeric
// * scalars or named flags separated by '+' or '-'. Prefixing a flag
// * with '+' causes it to be set without affecting the other flags;
// * similarly, '-' unsets a flag.
// * @param search_flags flags passed to av_opt_find2. I.e. if AV_OPT_SEARCH_CHILDREN
// * is passed here, then the option may be set on a child of obj.
// *
// * @return 0 if the value has been set, or an AVERROR code in case of
// * error:
// * AVERROR_OPTION_NOT_FOUND if no matching option exists
// * AVERROR(ERANGE) if the value is out of range
// * AVERROR(EINVAL) if the value is not valid
// */
// int av_opt_set (void *obj, const char *name, const char *val, int search_flags);
function av_opt_set(obj: Pointer; const name: pAnsiChar; const val: pAnsiChar; search_flags: Integer): Integer; cdecl;
// int av_opt_set_int (void *obj, const char *name, int64_t val, int search_flags);
// int av_opt_set_double(void *obj, const char *name, double val, int search_flags);
// int av_opt_set_q (void *obj, const char *name, AVRational val, int search_flags);
// int av_opt_set_bin (void *obj, const char *name, const uint8_t *val, int size, int search_flags);
function av_opt_set_bin(obj: Pointer; const name: pAnsiChar; const val: PByte; size: Integer; search_flags: Integer)
: Integer; cdecl;
// int av_opt_set_image_size(void *obj, const char *name, int w, int h, int search_flags);
// int av_opt_set_pixel_fmt (void *obj, const char *name, enum AVPixelFormat fmt, int search_flags);
// int av_opt_set_sample_fmt(void *obj, const char *name, enum AVSampleFormat fmt, int search_flags);
// int av_opt_set_video_rate(void *obj, const char *name, AVRational val, int search_flags);
// int av_opt_set_channel_layout(void *obj, const char *name, int64_t ch_layout, int search_flags);
//
/// **
// * Set a binary option to an integer list.
// *
// * @param obj AVClass object to set options on
// * @param name name of the binary option
// * @param val pointer to an integer list (must have the correct type with
// * regard to the contents of the list)
// * @param term list terminator (usually 0 or -1)
// * @param flags search flags
// */
// #define av_opt_set_int_list(obj, name, val, term, flags) \
// (av_int_list_length(val, term) > INT_MAX / sizeof(*(val)) ? \
// AVERROR(EINVAL) : \
// av_opt_set_bin(obj, name, (const uint8_t *)(val), \
// av_int_list_length(val, term) * sizeof(*(val)), flags))
/// **
// * @}
// */
//
/// **
// * @defgroup opt_get_funcs Option getting functions
// * @{
// * Those functions get a value of the option with the given name from an object.
// *
// * @param[in] obj a struct whose first element is a pointer to an AVClass.
// * @param[in] name name of the option to get.
// * @param[in] search_flags flags passed to av_opt_find2. I.e. if AV_OPT_SEARCH_CHILDREN
// * is passed here, then the option may be found in a child of obj.
// * @param[out] out_val value of the option will be written here
// * @return >=0 on success, a negative error code otherwise
// */
/// **
// * @note the returned string will be av_malloc()ed and must be av_free()ed by the caller
// */
// int av_opt_get (void *obj, const char *name, int search_flags, uint8_t **out_val);
// int av_opt_get_int (void *obj, const char *name, int search_flags, int64_t *out_val);
// int av_opt_get_double(void *obj, const char *name, int search_flags, double *out_val);
// int av_opt_get_q (void *obj, const char *name, int search_flags, AVRational *out_val);
// int av_opt_get_image_size(void *obj, const char *name, int search_flags, int *w_out, int *h_out);
// int av_opt_get_pixel_fmt (void *obj, const char *name, int search_flags, enum AVPixelFormat *out_fmt);
// int av_opt_get_sample_fmt(void *obj, const char *name, int search_flags, enum AVSampleFormat *out_fmt);
// int av_opt_get_video_rate(void *obj, const char *name, int search_flags, AVRational *out_val);
// int av_opt_get_channel_layout(void *obj, const char *name, int search_flags, int64_t *ch_layout);
/// **
// * @}
// */
/// **
// * Gets a pointer to the requested field in a struct.
// * This function allows accessing a struct even when its fields are moved or
// * renamed since the application making the access has been compiled,
// *
// * @returns a pointer to the field, it can be cast to the correct type and read
// * or written to.
// */
// void *av_opt_ptr(const AVClass *avclass, void *obj, const char *name);
//
/// **
// * Free an AVOptionRanges struct and set it to NULL.
// */
// void av_opt_freep_ranges(AVOptionRanges **ranges);
//
/// **
// * Get a list of allowed ranges for the given option.
// *
// * The returned list may depend on other fields in obj like for example profile.
// *
// * @param flags is a bitmask of flags, undefined flags should not be set and should be ignored
// * AV_OPT_SEARCH_FAKE_OBJ indicates that the obj is a double pointer to a AVClass instead of a full instance
// *
// * The result must be freed with av_opt_freep_ranges.
// *
// * @return >= 0 on success, a negative errro code otherwise
// */
// int av_opt_query_ranges(AVOptionRanges **, void *obj, const char *key, int flags);
//
/// **
// * Get a default list of allowed ranges for the given option.
// *
// * This list is constructed without using the AVClass.query_ranges() callback
// * and can be used as fallback from within the callback.
// *
// * @param flags is a bitmask of flags, undefined flags should not be set and should be ignored
// * AV_OPT_SEARCH_FAKE_OBJ indicates that the obj is a double pointer to a AVClass instead of a full instance
// *
// * The result must be freed with av_opt_free_ranges.
// *
// * @return >= 0 on success, a negative errro code otherwise
// */
// int av_opt_query_ranges_default(AVOptionRanges **, void *obj, const char *key, int flags);
//
/// **
// * @}
// */
implementation
uses ffm.lib;
function av_opt_set_bin; external avutil_dll;
function av_opt_set; external avutil_dll;
end.

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@ -1,202 +0,0 @@
unit ffm.parseutils;
{$i ffmpeg.inc}
interface
uses
ffm.rational;
(*
* This file is part of ffm.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
(*
* @file
* misc parsing utilities
*)
(*
* Parse str and store the parsed ratio in q.
*
* Note that a ratio with infinite (1/0) or negative value is
* considered valid, so you should check on the returned value if you
* want to exclude those values.
*
* The undefined value can be expressed using the "0:0" string.
*
* @param[in,out] q pointer to the AVRational which will contain the ratio
* @param[in] str the string to parse: it has to be a string in the format
* num:den, a float number or an expression
* @param[in] max the maximum allowed numerator and denominator
* @param[in] log_offset log level offset which is applied to the log
* level of log_ctx
* @param[in] log_ctx parent logging context
* @return >= 0 on success, a negative error code otherwise
*)
//int av_parse_ratio(AVRational * q, const char * str, int max, int log_offset, void * log_ctx);
function av_parse_ratio(p:pAVRational; const str:PAnsiString; max:Integer; log_offset:Integer; log_ctx:pointer):integer; cdecl;
//#define av_parse_ratio_quiet(rate, str, max)\
//av_parse_ratio(rate, str, max, AV_LOG_MAX_OFFSET, NULL)
function av_parse_ratio_quiet(p:pAVRational; const str:PAnsiString; max:Integer):Integer; inline;
(*
* Parse str and put in width_ptr and height_ptr the detected values.
*
* @param[in,out] width_ptr pointer to the variable which will contain the detected
* width value
* @param[in,out] height_ptr pointer to the variable which will contain the detected
* height value
* @param[in] str the string to parse: it has to be a string in the format
* width x height or a valid video size abbreviation.
* @return >= 0 on success, a negative error code otherwise
*)
// int av_parse_video_size(int *width_ptr, int *height_ptr, const char *str);
function av_parse_video_size(Var width_ptr: Integer; Var height_ptr: Integer; const str: pAnsiChar): Integer;
cdecl;
(*
* Parse str and store the detected values in *rate.
*
* @param[in,out] rate pointer to the AVRational which will contain the detected
* frame rate
* @param[in] str the string to parse: it has to be a string in the format
* rate_num / rate_den, a float number or a valid video rate abbreviation
* @return >= 0 on success, a negative error code otherwise
*)
//int av_parse_video_rate(AVRational * rate, const char * str);
(*
* Put the RGBA values that correspond to color_string in rgba_color.
*
* @param color_string a string specifying a color. It can be the name of
* a color (case insensitive match) or a [0x|#]RRGGBB[AA] sequence,
* possibly followed by "@" and a string representing the alpha
* component.
* The alpha component may be a string composed by "0x" followed by an
* hexadecimal number or a decimal number between 0.0 and 1.0, which
* represents the opacity value (0x00/0.0 means completely transparent,
* 0xff/1.0 completely opaque).
* If the alpha component is not specified then 0xff is assumed.
* The string "random" will result in a random color.
* @param slen length of the initial part of color_string containing the
* color. It can be set to -1 if color_string is a null terminated string
* containing nothing else than the color.
* @return >= 0 in case of success, a negative value in case of
* failure (for example if color_string cannot be parsed).
*)
//int av_parse_color(uint8_t * rgba_color, const char * color_string, int slen, void * log_ctx);
(*
* Get the name of a color from the internal table of hard-coded named
* colors.
*
* This function is meant to enumerate the color names recognized by
* av_parse_color().
*
* @param color_idx index of the requested color, starting from 0
* @param rgbp if not NULL, will point to a 3-elements array with the color value in RGB
* @return the color name string or NULL if color_idx is not in the array
*)
//const char * av_get_known_color_name(int color_idx, const uint8_t * * rgb);
(*
* Parse timestr and return in *time a corresponding number of
* microseconds.
*
* @param timeval puts here the number of microseconds corresponding
* to the string in timestr. If the string represents a duration, it
* is the number of microseconds contained in the time interval. If
* the string is a date, is the number of microseconds since 1st of
* January, 1970 up to the time of the parsed date. If timestr cannot
* be successfully parsed, set *time to INT64_MIN.
* @param timestr a string representing a date or a duration.
* - If a date the syntax is:
* @code
* [{YYYY-MM-DD|YYYYMMDD}[T|t| ]]{{HH:MM:SS[.m...]]]}|{HHMMSS[.m...]]]}}[Z]
* now
* @endcode
* If the value is "now" it takes the current time.
* Time is local time unless Z is appended, in which case it is
* interpreted as UTC.
* If the year-month-day part is not specified it takes the current
* year-month-day.
* - If a duration the syntax is:
* @code
* [-][HH:]MM:SS[.m...]
* [-]S+[.m...]
* @endcode
* @param duration flag which tells how to interpret timestr, if not
* zero timestr is interpreted as a duration, otherwise as a date
* @return >= 0 in case of success, a negative value corresponding to an
* AVERROR code otherwise
*)
//int av_parse_time(int64_t * timeval, const char * timestr, int duration);
(*
* Parse the input string p according to the format string fmt and
* store its results in the structure dt.
* This implementation supports only a subset of the formats supported
* by the standard strptime().
*
* In particular it actually supports the parameters:
* - %H: the hour as a decimal number, using a 24-hour clock, in the
* range '00' through '23'
* - %J: hours as a decimal number, in the range '0' through INT_MAX
* - %M: the minute as a decimal number, using a 24-hour clock, in the
* range '00' through '59'
* - %S: the second as a decimal number, using a 24-hour clock, in the
* range '00' through '59'
* - %Y: the year as a decimal number, using the Gregorian calendar
* - %m: the month as a decimal number, in the range '1' through '12'
* - %d: the day of the month as a decimal number, in the range '1'
* through '31'
* - %%: a literal '%'
*
* @return a pointer to the first character not processed in this
* function call, or NULL in case the function fails to match all of
* the fmt string and therefore an error occurred
*)
//char * av_small_strptime(const char * p, const char * fmt, struct tm * dt);
(*
* Attempt to find a specific tag in a URL.
*
* syntax: '?tag1=val1&tag2=val2...'. Little URL decoding is done.
* Return 1 if found.
*)
//int av_find_info_tag(char * arg, int arg_size, const char * tag1, const char * info);
(*
* Convert the decomposed UTC time in tm to a time_t value.
*)
//time_t av_timegm(struct tm * tm);
implementation
uses ffm.lib, ffm.log;
function av_parse_video_size; external avutil_dll;
function av_parse_ratio; external avutil_dll;
function av_parse_ratio_quiet;
begin
Result := av_parse_ratio(p,str,max,AV_LOG_MAX_OFFSET, nil);
end;
end.

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@ -1,304 +0,0 @@
(*
* pixel format descriptor
* Copyright (c) 2009 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of ffm.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
unit ffm.pixdesc;
{$i ffmpeg.inc}
interface
uses
ffm.pixfmt;
Type
pAVComponentDescriptor = ^TAVComponentDescriptor;
TAVComponentDescriptor = {packed} record
// uint16_t plane :2; ///< which of the 4 planes contains the component
(*
* Number of elements between 2 horizontally consecutive pixels minus 1.
* Elements are bits for bitstream formats, bytes otherwise.
*)
// uint16_t step_minus1 :3;
(*
* Number of elements before the component of the first pixel plus 1.
* Elements are bits for bitstream formats, bytes otherwise.
*)
// uint16_t offset_plus1 :3;
// uint16_t shift :3; ///< number of least significant bits that must be shifted away to get the value
// uint16_t depth_minus1 :4; ///< number of bits in the component minus 1
data: uint16;
end;
(*
* Descriptor that unambiguously describes how the bits of a pixel are
* stored in the up to 4 data planes of an image. It also stores the
* subsampling factors and number of components.
*
* @note This is separate of the colorspace (RGB, YCbCr, YPbPr, JPEG-style YUV
* and all the YUV variants) AVPixFmtDescriptor just stores how values
* are stored not what these values represent.
*)
pAVPixFmtDescriptor = ^TAVPixFmtDescriptor;
TAVPixFmtDescriptor = {packed} record
name: pAnsiChar;
nb_components: uint8;
/// < The number of components each pixel has, (1-4)
(*
* Amount to shift the luma width right to find the chroma width.
* For YV12 this is 1 for example.
* chroma_width = -((-luma_width) >> log2_chroma_w)
* The note above is needed to ensure rounding up.
* This value only refers to the chroma components.
*)
log2_chroma_w: uint8;
/// < chroma_width = -((-luma_width )>>log2_chroma_w)
(*
* Amount to shift the luma height right to find the chroma height.
* For YV12 this is 1 for example.
* chroma_height= -((-luma_height) >> log2_chroma_h)
* The note above is needed to ensure rounding up.
* This value only refers to the chroma components.
*)
log2_chroma_h: uint8;
flags: uint8;
(*
* Parameters that describe how pixels are {packed}.
* If the format has 2 or 4 components, then alpha is last.
* If the format has 1 or 2 components, then luma is 0.
* If the format has 3 or 4 components,
* if the RGB flag is set then 0 is red, 1 is green and 2 is blue;
* otherwise 0 is luma, 1 is chroma-U and 2 is chroma-V.
*)
comp: array [0 .. 3] of TAVComponentDescriptor;
end;
const
(*
* Pixel format is big-endian.
*)
AV_PIX_FMT_FLAG_BE = (1 shl 0);
(*
* Pixel format has a palette in data[1], values are indexes in this palette.
*)
AV_PIX_FMT_FLAG_PAL = (1 shl 1);
(*
* All values of a component are bit-wise {packed} end to end.
*)
AV_PIX_FMT_FLAG_BITSTREAM = (1 shl 2);
(*
* Pixel format is an HW accelerated format.
*)
AV_PIX_FMT_FLAG_HWACCEL = (1 shl 3);
(*
* At least one pixel component is not in the first data plane.
*)
AV_PIX_FMT_FLAG_PLANAR = (1 shl 4);
(*
* The pixel format contains RGB-like data (as opposed to YUV/grayscale).
*)
AV_PIX_FMT_FLAG_RGB = (1 shl 5);
(*
* The pixel format is "pseudo-paletted". This means that FFmpeg treats it as
* paletted internally, but the palette is generated by the decoder and is not
* stored in the file.
*)
AV_PIX_FMT_FLAG_PSEUDOPAL = (1 shl 6);
(*
* The pixel format has an alpha channel.
*)
AV_PIX_FMT_FLAG_ALPHA = (1 shl 7);
{$IFDEF FF_API_PIX_FMT}
(*
* @deprecated use the AV_PIX_FMT_FLAG_* flags
*)
PIX_FMT_BE = AV_PIX_FMT_FLAG_BE;
PIX_FMT_PAL = AV_PIX_FMT_FLAG_PAL;
PIX_FMT_BITSTREAM = AV_PIX_FMT_FLAG_BITSTREAM;
PIX_FMT_HWACCEL = AV_PIX_FMT_FLAG_HWACCEL;
PIX_FMT_PLANAR = AV_PIX_FMT_FLAG_PLANAR;
PIX_FMT_RGB = AV_PIX_FMT_FLAG_RGB;
PIX_FMT_PSEUDOPAL = AV_PIX_FMT_FLAG_PSEUDOPAL;
PIX_FMT_ALPHA = AV_PIX_FMT_FLAG_ALPHA;
{$ENDIF}
{$IFDEF FF_API_PIX_FMT_DESC}
(*
* The array of all the pixel format descriptors.
*)
extern attribute_deprecated
const
AVPixFmtDescriptor av_pix_fmt_descriptors[];
{$ENDIF}
(*
* Read a line from an image, and write the values of the
* pixel format component c to dst.
*
* @param data the array containing the pointers to the planes of the image
* @param linesize the array containing the linesizes of the image
* @param desc the pixel format descriptor for the image
* @param x the horizontal coordinate of the first pixel to read
* @param y the vertical coordinate of the first pixel to read
* @param w the width of the line to read, that is the number of
* values to write to dst
* @param read_pal_component if not zero and the format is a paletted
* format writes the values corresponding to the palette
* component c in data[1] to dst, rather than the palette indexes in
* data[0]. The behavior is undefined if the format is not paletted.
*)
// void av_read_image_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4],
// const AVPixFmtDescriptor *desc, int x, int y, int c, int w, int read_pal_component);
(*
* Write the values from src to the pixel format component c of an
* image line.
*
* @param src array containing the values to write
* @param data the array containing the pointers to the planes of the
* image to write into. It is supposed to be zeroed.
* @param linesize the array containing the linesizes of the image
* @param desc the pixel format descriptor for the image
* @param x the horizontal coordinate of the first pixel to write
* @param y the vertical coordinate of the first pixel to write
* @param w the width of the line to write, that is the number of
* values to write to the image line
*)
// void av_write_image_line(const uint16_t *src, uint8_t *data[4], const int linesize[4],
// const AVPixFmtDescriptor *desc, int x, int y, int c, int w);
(*
* Return the pixel format corresponding to name.
*
* If there is no pixel format with name name, then looks for a
* pixel format with the name corresponding to the native endian
* format of name.
* For example in a little-endian system, first looks for "gray16",
* then for "gray16le".
*
* Finally if no pixel format has been found, returns AV_PIX_FMT_NONE.
*)
// enum AVPixelFormat av_get_pix_fmt(const char *name);
(*
* Return the short name for a pixel format, NULL in case pix_fmt is
* unknown.
*
* @see av_get_pix_fmt(), av_get_pix_fmt_string()
*)
// const char *av_get_pix_fmt_name(enum AVPixelFormat pix_fmt);
function av_get_pix_fmt_name(pix_fmt: TAVPixelFormat): pAnsiChar; cdecl;
(*
* Print in buf the string corresponding to the pixel format with
* number pix_fmt, or a header if pix_fmt is negative.
*
* @param buf the buffer where to write the string
* @param buf_size the size of buf
* @param pix_fmt the number of the pixel format to print the
* corresponding info string, or a negative value to print the
* corresponding header.
*)
// char *av_get_pix_fmt_string (char *buf, int buf_size, enum AVPixelFormat pix_fmt);
(*
* Return the number of bits per pixel used by the pixel format
* described by pixdesc. Note that this is not the same as the number
* of bits per sample.
*
* The returned number of bits refers to the number of bits actually
* used for storing the pixel information, that is padding bits are
* not counted.
*)
// int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc);
(*
* Return the number of bits per pixel for the pixel format
* described by pixdesc, including any padding or unused bits.
*)
// int av_get_padded_bits_per_pixel(const AVPixFmtDescriptor *pixdesc);
(*
* @return a pixel format descriptor for provided pixel format or NULL if
* this pixel format is unknown.
*)
// const AVPixFmtDescriptor *av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt);
(*
* Iterate over all pixel format descriptors known to libavutil.
*
* @param prev previous descriptor. NULL to get the first descriptor.
*
* @return next descriptor or NULL after the last descriptor
*)
// const AVPixFmtDescriptor *av_pix_fmt_desc_next(const AVPixFmtDescriptor *prev);
(*
* @return an AVPixelFormat id described by desc, or AV_PIX_FMT_NONE if desc
* is not a valid pointer to a pixel format descriptor.
*)
// enum AVPixelFormat av_pix_fmt_desc_get_id(const AVPixFmtDescriptor *desc);
(*
* Utility function to access log2_chroma_w log2_chroma_h from
* the pixel format AVPixFmtDescriptor.
*
* See avcodec_get_chroma_sub_sample() for a function that asserts a
* valid pixel format instead of returning an error code.
* Its recommanded that you use avcodec_get_chroma_sub_sample unless
* you do check the return code!
*
* @param[in] pix_fmt the pixel format
* @param[out] h_shift store log2_chroma_w
* @param[out] v_shift store log2_chroma_h
*
* @return 0 on success, AVERROR(ENOSYS) on invalid or unknown pixel format
*)
// int av_pix_fmt_get_chroma_sub_sample(enum AVPixelFormat pix_fmt,
// int *h_shift, int *v_shift);
(*
* @return number of planes in pix_fmt, a negative AVERROR if pix_fmt is not a
* valid pixel format.
*)
// int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt);
// void ff_check_pixfmt_descriptors(void);
(*
* Utility function to swap the endianness of a pixel format.
*
* @param[in] pix_fmt the pixel format
*
* @return pixel format with swapped endianness if it exists,
* otherwise AV_PIX_FMT_NONE
*)
// enum AVPixelFormat av_pix_fmt_swap_endianness(enum AVPixelFormat pix_fmt);
implementation
uses ffm.lib;
function av_get_pix_fmt_name;external avutil_dll;
end.

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@ -1,623 +0,0 @@
unit ffm.pixfmt;
{$i ffmpeg.inc}
interface
/// *
// * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
// *
// * This file is part of ffm.
// *
// * FFmpeg is free software; you can redistribute it and/or
// * modify it under the terms of the GNU Lesser General Public
// * License as published by the Free Software Foundation; either
// * version 2.1 of the License, or (at your option) any later version.
// *
// * FFmpeg is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// * Lesser General Public License for more details.
// *
// * You should have received a copy of the GNU Lesser General Public
// * License along with FFmpeg; if not, write to the Free Software
// * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
// */
Const
AVPALETTE_SIZE = 1024;
AVPALETTE_COUNT = 256;
(*
* Pixel format.
*
* @note
* AV_PIX_FMT_RGB32 is handled in an endian-specific manner. An RGBA
* color is put together as:
* (A << 24) | (R << 16) | (G << 8) | B
* This is stored as BGRA on little-endian CPU architectures and ARGB on
* big-endian CPUs.
*
* @par
* When the pixel format is palettized RGB (AV_PIX_FMT_PAL8), the palettized
* image data is stored in AVFrame.data[0]. The palette is transported in
* AVFrame.data[1], is 1024 bytes long (256 4-byte entries) and is
* formatted the same as in AV_PIX_FMT_RGB32 described above (i.e., it is
* also endian-specific). Note also that the individual RGB palette
* components stored in AVFrame.data[1] should be in the range 0..255.
* This is important as many custom PAL8 video codecs that were designed
* to run on the IBM VGA graphics adapter use 6-bit palette components.
*
* @par
* For all the 8bit per pixel formats, an RGB32 palette is in data[1] like
* for pal8. This palette is filled in automatically by the function
* allocating the picture.
*
* @note
* Make sure that all newly added big-endian formats have (pix_fmt & 1) == 1
* and that all newly added little-endian formats have (pix_fmt & 1) == 0.
* This allows simpler detection of big vs little-endian.
*)
Type
pAVPixelFormat = ^TAVPixelFormat;
TAVPixelFormat = ( //
AV_PIX_FMT_NONE = -1, //
AV_PIX_FMT_YUV420P,
/// < planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
AV_PIX_FMT_YUYV422,
/// < packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
AV_PIX_FMT_RGB24,
/// < packed RGB 8:8:8, 24bpp, RGBRGB...
AV_PIX_FMT_BGR24,
/// < packed RGB 8:8:8, 24bpp, BGRBGR...
AV_PIX_FMT_YUV422P,
/// < planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
AV_PIX_FMT_YUV444P,
/// < planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
AV_PIX_FMT_YUV410P,
/// < planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
AV_PIX_FMT_YUV411P,
/// < planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
AV_PIX_FMT_GRAY8,
/// < Y , 8bpp
AV_PIX_FMT_MONOWHITE,
/// < Y , 1bpp, 0 is white, 1 is black, in each byte pixels are ordered from the msb to the lsb
AV_PIX_FMT_MONOBLACK,
/// < Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb
AV_PIX_FMT_PAL8,
/// < 8 bit with PIX_FMT_RGB32 palette
AV_PIX_FMT_YUVJ420P,
/// < planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV420P and setting color_range
AV_PIX_FMT_YUVJ422P,
/// < planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV422P and setting color_range
AV_PIX_FMT_YUVJ444P,
/// < planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV444P and setting color_range
{$IFDEF FF_API_XVMC}
AV_PIX_FMT_XVMC_MPEG2_MC,
/// < XVideo Motion Acceleration via common packet passing
AV_PIX_FMT_XVMC_MPEG2_IDCT,
{$ENDIF}// * FF_API_XVMC */
AV_PIX_FMT_UYVY422,
/// < packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
AV_PIX_FMT_UYYVYY411,
/// < packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3
AV_PIX_FMT_BGR8,
/// < packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
AV_PIX_FMT_BGR4,
/// < packed RGB 1:2:1 bitstream, 4bpp, (msb)1B 2G 1R(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits
AV_PIX_FMT_BGR4_BYTE,
/// < packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
AV_PIX_FMT_RGB8,
/// < packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
AV_PIX_FMT_RGB4,
/// < packed RGB 1:2:1 bitstream, 4bpp, (msb)1R 2G 1B(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits
AV_PIX_FMT_RGB4_BYTE,
/// < packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb)
AV_PIX_FMT_NV12,
/// < planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (first byte U and the following byte V)
AV_PIX_FMT_NV21,
/// < as above, but U and V bytes are swapped
AV_PIX_FMT_ARGB,
/// < packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
AV_PIX_FMT_RGBA,
/// < packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
AV_PIX_FMT_ABGR,
/// < packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
AV_PIX_FMT_BGRA,
/// < packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
AV_PIX_FMT_GRAY16BE,
/// < Y , 16bpp, big-endian
AV_PIX_FMT_GRAY16LE,
/// < Y , 16bpp, little-endian
AV_PIX_FMT_YUV440P,
/// < planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
AV_PIX_FMT_YUVJ440P,
/// < planar YUV 4:4:0 full scale (JPEG), deprecated in favor of PIX_FMT_YUV440P and setting color_range
AV_PIX_FMT_YUVA420P,
/// < planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
{$IFDEF FF_API_VDPAU}
AV_PIX_FMT_VDPAU_H264,
/// < H.264 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
AV_PIX_FMT_VDPAU_MPEG1,
/// < MPEG-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
AV_PIX_FMT_VDPAU_MPEG2,
/// < MPEG-2 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
AV_PIX_FMT_VDPAU_WMV3,
/// < WMV3 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
AV_PIX_FMT_VDPAU_VC1,
/// < VC-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
{$ENDIF}
AV_PIX_FMT_RGB48BE,
/// < packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as big-endian
AV_PIX_FMT_RGB48LE,
/// < packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as little-endian
AV_PIX_FMT_RGB565BE,
/// < packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
AV_PIX_FMT_RGB565LE,
/// < packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian
AV_PIX_FMT_RGB555BE,
/// < packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), big-endian, most significant bit to 0
AV_PIX_FMT_RGB555LE,
/// < packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), little-endian, most significant bit to 0
AV_PIX_FMT_BGR565BE,
/// < packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), big-endian
AV_PIX_FMT_BGR565LE,
/// < packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), little-endian
AV_PIX_FMT_BGR555BE,
/// < packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), big-endian, most significant bit to 1
AV_PIX_FMT_BGR555LE,
/// < packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), little-endian, most significant bit to 1
AV_PIX_FMT_VAAPI_MOCO,
/// < HW acceleration through VA API at motion compensation entry-point, Picture.data[3] contains a vaapi_render_state struct which contains macroblocks as well as various fields extracted from headers
AV_PIX_FMT_VAAPI_IDCT,
/// < HW acceleration through VA API at IDCT entry-point, Picture.data[3] contains a vaapi_render_state struct which contains fields extracted from headers
AV_PIX_FMT_VAAPI_VLD,
/// < HW decoding through VA API, Picture.data[3] contains a vaapi_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
AV_PIX_FMT_YUV420P16LE,
/// < planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
AV_PIX_FMT_YUV420P16BE,
/// < planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
AV_PIX_FMT_YUV422P16LE,
/// < planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
AV_PIX_FMT_YUV422P16BE,
/// < planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
AV_PIX_FMT_YUV444P16LE,
/// < planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
AV_PIX_FMT_YUV444P16BE,
/// < planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
{$IFDEF FF_API_VDPAU}
AV_PIX_FMT_VDPAU_MPEG4,
/// < MPEG4 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
{$ENDIF}
AV_PIX_FMT_DXVA2_VLD,
/// < HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer
AV_PIX_FMT_RGB444LE,
/// < packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), little-endian, most significant bits to 0
AV_PIX_FMT_RGB444BE,
/// < packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), big-endian, most significant bits to 0
AV_PIX_FMT_BGR444LE,
/// < packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), little-endian, most significant bits to 1
AV_PIX_FMT_BGR444BE,
/// < packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), big-endian, most significant bits to 1
AV_PIX_FMT_GRAY8A,
/// < 8bit gray, 8bit alpha
AV_PIX_FMT_BGR48BE,
/// < packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as big-endian
AV_PIX_FMT_BGR48LE,
/// < packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as little-endian
(*
* The following 12 formats have the disadvantage of needing 1 format for each bit depth.
* Notice that each 9/10 bits sample is stored in 16 bits with extra padding.
* If you want to support multiple bit depths, then using AV_PIX_FMT_YUV420P16* with the bpp stored separately is better.
*)
AV_PIX_FMT_YUV420P9BE,
/// < planar YUV 4:2:0, 13.5bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
AV_PIX_FMT_YUV420P9LE,
/// < planar YUV 4:2:0, 13.5bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
AV_PIX_FMT_YUV420P10BE,
/// < planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
AV_PIX_FMT_YUV420P10LE,
/// < planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
AV_PIX_FMT_YUV422P10BE,
/// < planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
AV_PIX_FMT_YUV422P10LE,
/// < planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
AV_PIX_FMT_YUV444P9BE,
/// < planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
AV_PIX_FMT_YUV444P9LE,
/// < planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
AV_PIX_FMT_YUV444P10BE,
/// < planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
AV_PIX_FMT_YUV444P10LE,
/// < planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
AV_PIX_FMT_YUV422P9BE,
/// < planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
AV_PIX_FMT_YUV422P9LE,
/// < planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
AV_PIX_FMT_VDA_VLD,
/// < hardware decoding through VDA
{$IFDEF AV_PIX_FMT_ABI_GIT_MASTER}
AV_PIX_FMT_RGBA64BE,
/// < packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
AV_PIX_FMT_RGBA64LE,
/// < packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
AV_PIX_FMT_BGRA64BE,
/// < packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
AV_PIX_FMT_BGRA64LE,
/// < packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
{$ENDIF}
AV_PIX_FMT_GBRP,
/// < planar GBR 4:4:4 24bpp
AV_PIX_FMT_GBRP9BE,
/// < planar GBR 4:4:4 27bpp, big-endian
AV_PIX_FMT_GBRP9LE,
/// < planar GBR 4:4:4 27bpp, little-endian
AV_PIX_FMT_GBRP10BE,
/// < planar GBR 4:4:4 30bpp, big-endian
AV_PIX_FMT_GBRP10LE,
/// < planar GBR 4:4:4 30bpp, little-endian
AV_PIX_FMT_GBRP16BE,
/// < planar GBR 4:4:4 48bpp, big-endian
AV_PIX_FMT_GBRP16LE,
/// < planar GBR 4:4:4 48bpp, little-endian
(*
* duplicated pixel formats for compatibility with libav.
* FFmpeg supports these formats since May 8 2012 and Jan 28 2012 (commits f9ca1ac7 and 143a5c55)
* Libav added them Oct 12 2012 with incompatible values (commit 6d5600e85)
*)
AV_PIX_FMT_YUVA422P_LIBAV,
/// < planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
AV_PIX_FMT_YUVA444P_LIBAV,
/// < planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
AV_PIX_FMT_YUVA420P9BE,
/// < planar YUV 4:2:0 22.5bpp, (1 Cr & Cb sample per 2x2 Y & A samples), big-endian
AV_PIX_FMT_YUVA420P9LE,
/// < planar YUV 4:2:0 22.5bpp, (1 Cr & Cb sample per 2x2 Y & A samples), little-endian
AV_PIX_FMT_YUVA422P9BE,
/// < planar YUV 4:2:2 27bpp, (1 Cr & Cb sample per 2x1 Y & A samples), big-endian
AV_PIX_FMT_YUVA422P9LE,
/// < planar YUV 4:2:2 27bpp, (1 Cr & Cb sample per 2x1 Y & A samples), little-endian
AV_PIX_FMT_YUVA444P9BE,
/// < planar YUV 4:4:4 36bpp, (1 Cr & Cb sample per 1x1 Y & A samples), big-endian
AV_PIX_FMT_YUVA444P9LE,
/// < planar YUV 4:4:4 36bpp, (1 Cr & Cb sample per 1x1 Y & A samples), little-endian
AV_PIX_FMT_YUVA420P10BE,
/// < planar YUV 4:2:0 25bpp, (1 Cr & Cb sample per 2x2 Y & A samples, big-endian)
AV_PIX_FMT_YUVA420P10LE,
/// < planar YUV 4:2:0 25bpp, (1 Cr & Cb sample per 2x2 Y & A samples, little-endian)
AV_PIX_FMT_YUVA422P10BE,
/// < planar YUV 4:2:2 30bpp, (1 Cr & Cb sample per 2x1 Y & A samples, big-endian)
AV_PIX_FMT_YUVA422P10LE,
/// < planar YUV 4:2:2 30bpp, (1 Cr & Cb sample per 2x1 Y & A samples, little-endian)
AV_PIX_FMT_YUVA444P10BE,
/// < planar YUV 4:4:4 40bpp, (1 Cr & Cb sample per 1x1 Y & A samples, big-endian)
AV_PIX_FMT_YUVA444P10LE,
/// < planar YUV 4:4:4 40bpp, (1 Cr & Cb sample per 1x1 Y & A samples, little-endian)
AV_PIX_FMT_YUVA420P16BE,
/// < planar YUV 4:2:0 40bpp, (1 Cr & Cb sample per 2x2 Y & A samples, big-endian)
AV_PIX_FMT_YUVA420P16LE,
/// < planar YUV 4:2:0 40bpp, (1 Cr & Cb sample per 2x2 Y & A samples, little-endian)
AV_PIX_FMT_YUVA422P16BE,
/// < planar YUV 4:2:2 48bpp, (1 Cr & Cb sample per 2x1 Y & A samples, big-endian)
AV_PIX_FMT_YUVA422P16LE,
/// < planar YUV 4:2:2 48bpp, (1 Cr & Cb sample per 2x1 Y & A samples, little-endian)
AV_PIX_FMT_YUVA444P16BE,
/// < planar YUV 4:4:4 64bpp, (1 Cr & Cb sample per 1x1 Y & A samples, big-endian)
AV_PIX_FMT_YUVA444P16LE,
/// < planar YUV 4:4:4 64bpp, (1 Cr & Cb sample per 1x1 Y & A samples, little-endian)
AV_PIX_FMT_VDPAU,
/// < HW acceleration through VDPAU, Picture.data[3] contains a VdpVideoSurface
AV_PIX_FMT_XYZ12LE,
/// < packed XYZ 4:4:4, 36 bpp, (msb) 12X, 12Y, 12Z (lsb), the 2-byte value for each X/Y/Z is stored as little-endian, the 4 lower bits are set to 0
AV_PIX_FMT_XYZ12BE,
/// < packed XYZ 4:4:4, 36 bpp, (msb) 12X, 12Y, 12Z (lsb), the 2-byte value for each X/Y/Z is stored as big-endian, the 4 lower bits are set to 0
AV_PIX_FMT_NV16,
/// < interleaved chroma YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
AV_PIX_FMT_NV20LE,
/// < interleaved chroma YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
AV_PIX_FMT_NV20BE,
/// < interleaved chroma YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
{$IFNDEF AV_PIX_FMT_ABI_GIT_MASTER}
AV_PIX_FMT_RGBA64BE = $123,
/// < packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
AV_PIX_FMT_RGBA64LE,
/// < packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
AV_PIX_FMT_BGRA64BE,
/// < packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
AV_PIX_FMT_BGRA64LE,
/// < packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
{$ENDIF}
AV_PIX_FMT_0RGB = $123 + 4,
/// < packed RGB 8:8:8, 32bpp, 0RGB0RGB...
AV_PIX_FMT_RGB0,
/// < packed RGB 8:8:8, 32bpp, RGB0RGB0...
AV_PIX_FMT_0BGR,
/// < packed BGR 8:8:8, 32bpp, 0BGR0BGR...
AV_PIX_FMT_BGR0,
/// < packed BGR 8:8:8, 32bpp, BGR0BGR0...
AV_PIX_FMT_YUVA444P,
/// < planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
AV_PIX_FMT_YUVA422P,
/// < planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
AV_PIX_FMT_YUV420P12BE,
/// < planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
AV_PIX_FMT_YUV420P12LE,
/// < planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
AV_PIX_FMT_YUV420P14BE,
/// < planar YUV 4:2:0,21bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
AV_PIX_FMT_YUV420P14LE,
/// < planar YUV 4:2:0,21bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
AV_PIX_FMT_YUV422P12BE,
/// < planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
AV_PIX_FMT_YUV422P12LE,
/// < planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
AV_PIX_FMT_YUV422P14BE,
/// < planar YUV 4:2:2,28bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
AV_PIX_FMT_YUV422P14LE,
/// < planar YUV 4:2:2,28bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
AV_PIX_FMT_YUV444P12BE,
/// < planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
AV_PIX_FMT_YUV444P12LE,
/// < planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
AV_PIX_FMT_YUV444P14BE,
/// < planar YUV 4:4:4,42bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
AV_PIX_FMT_YUV444P14LE,
/// < planar YUV 4:4:4,42bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
AV_PIX_FMT_GBRP12BE,
/// < planar GBR 4:4:4 36bpp, big-endian
AV_PIX_FMT_GBRP12LE,
/// < planar GBR 4:4:4 36bpp, little-endian
AV_PIX_FMT_GBRP14BE,
/// < planar GBR 4:4:4 42bpp, big-endian
AV_PIX_FMT_GBRP14LE,
/// < planar GBR 4:4:4 42bpp, little-endian
AV_PIX_FMT_GBRAP,
/// < planar GBRA 4:4:4:4 32bpp
AV_PIX_FMT_GBRAP16BE,
/// < planar GBRA 4:4:4:4 64bpp, big-endian
AV_PIX_FMT_GBRAP16LE,
/// < planar GBRA 4:4:4:4 64bpp, little-endian
AV_PIX_FMT_YUVJ411P,
/// < planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor of PIX_FMT_YUV411P and setting color_range
AV_PIX_FMT_BAYER_BGGR8,
/// < bayer, BGBG..(odd line), GRGR..(even line), 8-bit samples */
AV_PIX_FMT_BAYER_RGGB8,
/// < bayer, RGRG..(odd line), GBGB..(even line), 8-bit samples */
AV_PIX_FMT_BAYER_GBRG8,
/// < bayer, GBGB..(odd line), RGRG..(even line), 8-bit samples */
AV_PIX_FMT_BAYER_GRBG8,
/// < bayer, GRGR..(odd line), BGBG..(even line), 8-bit samples */
AV_PIX_FMT_BAYER_BGGR16LE,
/// < bayer, BGBG..(odd line), GRGR..(even line), 16-bit samples, little-endian */
AV_PIX_FMT_BAYER_BGGR16BE,
/// < bayer, BGBG..(odd line), GRGR..(even line), 16-bit samples, big-endian */
AV_PIX_FMT_BAYER_RGGB16LE,
/// < bayer, RGRG..(odd line), GBGB..(even line), 16-bit samples, little-endian */
AV_PIX_FMT_BAYER_RGGB16BE,
/// < bayer, RGRG..(odd line), GBGB..(even line), 16-bit samples, big-endian */
AV_PIX_FMT_BAYER_GBRG16LE,
/// < bayer, GBGB..(odd line), RGRG..(even line), 16-bit samples, little-endian */
AV_PIX_FMT_BAYER_GBRG16BE,
/// < bayer, GBGB..(odd line), RGRG..(even line), 16-bit samples, big-endian */
AV_PIX_FMT_BAYER_GRBG16LE,
/// < bayer, GRGR..(odd line), BGBG..(even line), 16-bit samples, little-endian */
AV_PIX_FMT_BAYER_GRBG16BE,
/// < bayer, GRGR..(odd line), BGBG..(even line), 16-bit samples, big-endian */
AV_PIX_FMT_NB
/// < number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
{$IFDEF FF_API_PIX_FMT}
,
{$INCLUDE old_pix_fmts.inc}
{$ENDIF}
);
const
{$IFDEF AV_HAVE_INCOMPATIBLE_LIBAV_ABI}
AV_PIX_FMT_YUVA422P = AV_PIX_FMT_YUVA422P_LIBAV;
AV_PIX_FMT_YUVA444P = AV_PIX_FMT_YUVA444P_LIBAV;
{$ENDIF}
AV_PIX_FMT_Y400A = AV_PIX_FMT_GRAY8A;
AV_PIX_FMT_GBR24P = AV_PIX_FMT_GBRP;
{$IFDEF AV_HAVE_BIGENDIAN}
// #define AV_PIX_FMT_NE(be, le) AV_PIX_FMT_##be
AV_PIX_FMT_RGB32 = AV_PIX_FMT_ARGB;
AV_PIX_FMT_RGB32_1 = AV_PIX_FMT_RGBA;
AV_PIX_FMT_BGR32 = AV_PIX_FMT_ABGR;
AV_PIX_FMT_BGR32_1 = AV_PIX_FMT_BGRA;
AV_PIX_FMT_0RGB32 = AV_PIX_FMT_0RGB;
AV_PIX_FMT_0BGR32 = AV_PIX_FMT_0BGR;
//
AV_PIX_FMT_GRAY16 = AV_PIX_FMT_GRAY16BE;
AV_PIX_FMT_RGB48 = AV_PIX_FMT_RGB48BE;
AV_PIX_FMT_RGB565 = AV_PIX_FMT_RGB565BE;
AV_PIX_FMT_RGB555 = AV_PIX_FMT_RGB555BE;
AV_PIX_FMT_RGB444 = AV_PIX_FMT_RGB444BE;
AV_PIX_FMT_BGR48 = AV_PIX_FMT_BGR48BE;
AV_PIX_FMT_BGR565 = AV_PIX_FMT_BGR565BE;
AV_PIX_FMT_BGR555 = AV_PIX_FMT_BGR555BE;
AV_PIX_FMT_BGR444 = AV_PIX_FMT_BGR444BE;
//
AV_PIX_FMT_YUV420P9 = AV_PIX_FMT_YUV420P9BE;
AV_PIX_FMT_YUV422P9 = AV_PIX_FMT_YUV422P9BE;
AV_PIX_FMT_YUV444P9 = AV_PIX_FMT_YUV444P9BE;
AV_PIX_FMT_YUV420P10 = AV_PIX_FMT_YUV420P10BE;
AV_PIX_FMT_YUV422P10 = AV_PIX_FMT_YUV422P10BE;
AV_PIX_FMT_YUV444P10 = AV_PIX_FMT_YUV444P10BE;
AV_PIX_FMT_YUV420P12 = AV_PIX_FMT_YUV420P12BE;
AV_PIX_FMT_YUV422P12 = AV_PIX_FMT_YUV422P12BE;
AV_PIX_FMT_YUV444P12 = AV_PIX_FMT_YUV444P12BE;
AV_PIX_FMT_YUV420P14 = AV_PIX_FMT_YUV420P14BE;
AV_PIX_FMT_YUV422P14 = AV_PIX_FMT_YUV422P14BE;
AV_PIX_FMT_YUV444P14 = AV_PIX_FMT_YUV444P14BE;
AV_PIX_FMT_YUV420P16 = AV_PIX_FMT_YUV420P16BE;
AV_PIX_FMT_YUV422P16 = AV_PIX_FMT_YUV422P16BE;
AV_PIX_FMT_YUV444P16 = AV_PIX_FMT_YUV444P16BE;
//
AV_PIX_FMT_RGBA64 = AV_PIX_FMT_RGBA64BE;
AV_PIX_FMT_BGRA64 = AV_PIX_FMT_BGRA64BE;
AV_PIX_FMT_GBRP9 = AV_PIX_FMT_GBRP9BE;
AV_PIX_FMT_GBRP10 = AV_PIX_FMT_GBRP10BE;
AV_PIX_FMT_GBRP12 = AV_PIX_FMT_GBRP12BE;
AV_PIX_FMT_GBRP14 = AV_PIX_FMT_GBRP14BE;
AV_PIX_FMT_GBRP16 = AV_PIX_FMT_GBRP16BE;
AV_PIX_FMT_GBRAP16 = AV_PIX_FMT_GBRAP16BE;
//
AV_PIX_FMT_BAYER_BGGR16 = AV_PIX_FMT_BAYER_BGGR16BE;
AV_PIX_FMT_BAYER_RGGB16 = AV_PIX_FMT_BAYER_RGGB16BE;
AV_PIX_FMT_BAYER_GBRG16 = AV_PIX_FMT_BAYER_GBRG16BE;
AV_PIX_FMT_BAYER_GRBG16 = AV_PIX_FMT_BAYER_GRBG16BE;
//
//
AV_PIX_FMT_YUVA420P9 = AV_PIX_FMT_YUVA420P9BE;
AV_PIX_FMT_YUVA422P9 = AV_PIX_FMT_YUVA422P9BE;
AV_PIX_FMT_YUVA444P9 = AV_PIX_FMT_YUVA444P9BE;
AV_PIX_FMT_YUVA420P10 = AV_PIX_FMT_YUVA420P10BE;
AV_PIX_FMT_YUVA422P10 = AV_PIX_FMT_YUVA422P10BE;
AV_PIX_FMT_YUVA444P10 = AV_PIX_FMT_YUVA444P10BE;
AV_PIX_FMT_YUVA420P16 = AV_PIX_FMT_YUVA420P16BE;
AV_PIX_FMT_YUVA422P16 = AV_PIX_FMT_YUVA422P16BE;
AV_PIX_FMT_YUVA444P16 = AV_PIX_FMT_YUVA444P16BE;
//
AV_PIX_FMT_XYZ12 = AV_PIX_FMT_XYZ12BE;
AV_PIX_FMT_NV20 = AV_PIX_FMT_NV20BE;
{$ELSE}
// #define AV_PIX_FMT_NE(be, le) AV_PIX_FMT_##le
AV_PIX_FMT_RGB32 = AV_PIX_FMT_BGRA;
AV_PIX_FMT_RGB32_1 = AV_PIX_FMT_ABGR;
AV_PIX_FMT_BGR32 = AV_PIX_FMT_RGBA;
AV_PIX_FMT_BGR32_1 = AV_PIX_FMT_ARGB;
AV_PIX_FMT_0RGB32 = AV_PIX_FMT_BGR0;
AV_PIX_FMT_0BGR32 = AV_PIX_FMT_RGB0;
//
AV_PIX_FMT_GRAY16 = AV_PIX_FMT_GRAY16LE;
AV_PIX_FMT_RGB48 = AV_PIX_FMT_RGB48LE;
AV_PIX_FMT_RGB565 = AV_PIX_FMT_RGB565LE;
AV_PIX_FMT_RGB555 = AV_PIX_FMT_RGB555LE;
AV_PIX_FMT_RGB444 = AV_PIX_FMT_RGB444LE;
AV_PIX_FMT_BGR48 = AV_PIX_FMT_BGR48LE;
AV_PIX_FMT_BGR565 = AV_PIX_FMT_BGR565LE;
AV_PIX_FMT_BGR555 = AV_PIX_FMT_BGR555LE;
AV_PIX_FMT_BGR444 = AV_PIX_FMT_BGR444LE;
//
AV_PIX_FMT_YUV420P9 = AV_PIX_FMT_YUV420P9LE;
AV_PIX_FMT_YUV422P9 = AV_PIX_FMT_YUV422P9LE;
AV_PIX_FMT_YUV444P9 = AV_PIX_FMT_YUV444P9LE;
AV_PIX_FMT_YUV420P10 = AV_PIX_FMT_YUV420P10LE;
AV_PIX_FMT_YUV422P10 = AV_PIX_FMT_YUV422P10LE;
AV_PIX_FMT_YUV444P10 = AV_PIX_FMT_YUV444P10LE;
AV_PIX_FMT_YUV420P12 = AV_PIX_FMT_YUV420P12LE;
AV_PIX_FMT_YUV422P12 = AV_PIX_FMT_YUV422P12LE;
AV_PIX_FMT_YUV444P12 = AV_PIX_FMT_YUV444P12LE;
AV_PIX_FMT_YUV420P14 = AV_PIX_FMT_YUV420P14LE;
AV_PIX_FMT_YUV422P14 = AV_PIX_FMT_YUV422P14LE;
AV_PIX_FMT_YUV444P14 = AV_PIX_FMT_YUV444P14LE;
AV_PIX_FMT_YUV420P16 = AV_PIX_FMT_YUV420P16LE;
AV_PIX_FMT_YUV422P16 = AV_PIX_FMT_YUV422P16LE;
AV_PIX_FMT_YUV444P16 = AV_PIX_FMT_YUV444P16LE;
//
AV_PIX_FMT_RGBA64 = AV_PIX_FMT_RGBA64LE;
AV_PIX_FMT_BGRA64 = AV_PIX_FMT_BGRA64LE;
AV_PIX_FMT_GBRP9 = AV_PIX_FMT_GBRP9LE;
AV_PIX_FMT_GBRP10 = AV_PIX_FMT_GBRP10LE;
AV_PIX_FMT_GBRP12 = AV_PIX_FMT_GBRP12LE;
AV_PIX_FMT_GBRP14 = AV_PIX_FMT_GBRP14LE;
AV_PIX_FMT_GBRP16 = AV_PIX_FMT_GBRP16LE;
AV_PIX_FMT_GBRAP16 = AV_PIX_FMT_GBRAP16LE;
//
AV_PIX_FMT_BAYER_BGGR16 = AV_PIX_FMT_BAYER_BGGR16LE;
AV_PIX_FMT_BAYER_RGGB16 = AV_PIX_FMT_BAYER_RGGB16LE;
AV_PIX_FMT_BAYER_GBRG16 = AV_PIX_FMT_BAYER_GBRG16LE;
AV_PIX_FMT_BAYER_GRBG16 = AV_PIX_FMT_BAYER_GRBG16LE;
//
//
AV_PIX_FMT_YUVA420P9 = AV_PIX_FMT_YUVA420P9LE;
AV_PIX_FMT_YUVA422P9 = AV_PIX_FMT_YUVA422P9LE;
AV_PIX_FMT_YUVA444P9 = AV_PIX_FMT_YUVA444P9LE;
AV_PIX_FMT_YUVA420P10 = AV_PIX_FMT_YUVA420P10LE;
AV_PIX_FMT_YUVA422P10 = AV_PIX_FMT_YUVA422P10LE;
AV_PIX_FMT_YUVA444P10 = AV_PIX_FMT_YUVA444P10LE;
AV_PIX_FMT_YUVA420P16 = AV_PIX_FMT_YUVA420P16LE;
AV_PIX_FMT_YUVA422P16 = AV_PIX_FMT_YUVA422P16LE;
AV_PIX_FMT_YUVA444P16 = AV_PIX_FMT_YUVA444P16LE;
//
AV_PIX_FMT_XYZ12 = AV_PIX_FMT_XYZ12LE;
AV_PIX_FMT_NV20 = AV_PIX_FMT_NV20LE;
{$ENDIF}
{$IFDEF FF_API_PIX_FMT}
Type
TPixelFormat = TAVPixelFormat;
Const
//
PIX_FMT_Y400A = AV_PIX_FMT_Y400A;
PIX_FMT_GBR24P = AV_PIX_FMT_GBR24P;
//
// PIX_FMT_NE(be, le) AV_PIX_FMT_NE(be, le)
//
PIX_FMT_RGB32 = AV_PIX_FMT_RGB32;
PIX_FMT_RGB32_1 = AV_PIX_FMT_RGB32_1;
PIX_FMT_BGR32 = AV_PIX_FMT_BGR32;
PIX_FMT_BGR32_1 = AV_PIX_FMT_BGR32_1;
PIX_FMT_0RGB32 = AV_PIX_FMT_0RGB32;
PIX_FMT_0BGR32 = AV_PIX_FMT_0BGR32;
//
PIX_FMT_GRAY16 = AV_PIX_FMT_GRAY16;
PIX_FMT_RGB48 = AV_PIX_FMT_RGB48;
PIX_FMT_RGB565 = AV_PIX_FMT_RGB565;
PIX_FMT_RGB555 = AV_PIX_FMT_RGB555;
PIX_FMT_RGB444 = AV_PIX_FMT_RGB444;
PIX_FMT_BGR48 = AV_PIX_FMT_BGR48;
PIX_FMT_BGR565 = AV_PIX_FMT_BGR565;
PIX_FMT_BGR555 = AV_PIX_FMT_BGR555;
PIX_FMT_BGR444 = AV_PIX_FMT_BGR444;
//
PIX_FMT_YUV420P9 = AV_PIX_FMT_YUV420P9;
PIX_FMT_YUV422P9 = AV_PIX_FMT_YUV422P9;
PIX_FMT_YUV444P9 = AV_PIX_FMT_YUV444P9;
PIX_FMT_YUV420P10 = AV_PIX_FMT_YUV420P10;
PIX_FMT_YUV422P10 = AV_PIX_FMT_YUV422P10;
PIX_FMT_YUV444P10 = AV_PIX_FMT_YUV444P10;
PIX_FMT_YUV420P12 = AV_PIX_FMT_YUV420P12;
PIX_FMT_YUV422P12 = AV_PIX_FMT_YUV422P12;
PIX_FMT_YUV444P12 = AV_PIX_FMT_YUV444P12;
PIX_FMT_YUV420P14 = AV_PIX_FMT_YUV420P14;
PIX_FMT_YUV422P14 = AV_PIX_FMT_YUV422P14;
PIX_FMT_YUV444P14 = AV_PIX_FMT_YUV444P14;
PIX_FMT_YUV420P16 = AV_PIX_FMT_YUV420P16;
PIX_FMT_YUV422P16 = AV_PIX_FMT_YUV422P16;
PIX_FMT_YUV444P16 = AV_PIX_FMT_YUV444P16;
//
PIX_FMT_RGBA64 = AV_PIX_FMT_RGBA64;
PIX_FMT_BGRA64 = AV_PIX_FMT_BGRA64;
PIX_FMT_GBRP9 = AV_PIX_FMT_GBRP9;
PIX_FMT_GBRP10 = AV_PIX_FMT_GBRP10;
PIX_FMT_GBRP12 = AV_PIX_FMT_GBRP12;
PIX_FMT_GBRP14 = AV_PIX_FMT_GBRP14;
PIX_FMT_GBRP16 = AV_PIX_FMT_GBRP16;
{$ENDIF}
implementation
end.

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@ -1,175 +0,0 @@
unit ffm.rational;
{$i ffmpeg.inc}
interface
/// *
// * rational numbers
// * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
// *
// * This file is part of ffm.
// *
// * FFmpeg is free software; you can redistribute it and/or
// * modify it under the terms of the GNU Lesser General Public
// * License as published by the Free Software Foundation; either
// * version 2.1 of the License, or (at your option) any later version.
// *
// * FFmpeg is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// * Lesser General Public License for more details.
// *
// * You should have received a copy of the GNU Lesser General Public
// * License along with FFmpeg; if not, write to the Free Software
// * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
// */
//
/// **
// * @file
// * rational numbers
// * @author Michael Niedermayer <michaelni@gmx.at>
// */
//
// #ifndef AVUTIL_RATIONAL_H
// #define AVUTIL_RATIONAL_H
//
// #include <stdint.h>
// #include <limits.h>
// #include "attributes.h"
//
/// **
// * @addtogroup lavu_math
// * @{
// */
type
(*
* rational number numerator/denominator
*)
pAVRational = ^TAVRational;
TAVRational = { packed } record
num: Integer;
/// < numerator
den: Integer;
/// < denominator
end;
/// **
// * Compare two rationals.
// * @param a first rational
// * @param b second rational
// * @return 0 if a==b, 1 if a>b, -1 if a<b, and INT_MIN if one of the
// * values is of the form 0/0
// */
// static inline int av_cmp_q(AVRational a, AVRational b){
// const int64_t tmp= a.num * (int64_t)b.den - b.num * (int64_t)a.den;
//
// if(tmp) return (int)((tmp ^ a.den ^ b.den)>>63)|1;
// else if(b.den && a.den) return 0;
// else if(a.num && b.num) return (a.num>>31) - (b.num>>31);
// else return INT_MIN;
// }
//
/// **
// * Convert rational to double.
// * @param a rational to convert
// * @return (double) a
// */
// static inline double av_q2d(AVRational a){
// return a.num / (double) a.den;
// }
//
/// **
// * Reduce a fraction.
// * This is useful for framerate calculations.
// * @param dst_num destination numerator
// * @param dst_den destination denominator
// * @param num source numerator
// * @param den source denominator
// * @param max the maximum allowed for dst_num & dst_den
// * @return 1 if exact, 0 otherwise
// */
// int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max);
//
/// **
// * Multiply two rationals.
// * @param b first rational
// * @param c second rational
// * @return b*c
// */
// AVRational av_mul_q(AVRational b, AVRational c) av_const;
//
/// **
// * Divide one rational by another.
// * @param b first rational
// * @param c second rational
// * @return b/c
// */
// AVRational av_div_q(AVRational b, AVRational c) av_const;
//
/// **
// * Add two rationals.
// * @param b first rational
// * @param c second rational
// * @return b+c
// */
// AVRational av_add_q(AVRational b, AVRational c) av_const;
//
/// **
// * Subtract one rational from another.
// * @param b first rational
// * @param c second rational
// * @return b-c
// */
// AVRational av_sub_q(AVRational b, AVRational c) av_const;
//
/// **
// * Invert a rational.
// * @param q value
// * @return 1 / q
// */
// static av_always_inline AVRational av_inv_q(AVRational q)
// {
// AVRational r = { q.den, q.num };
// return r;
// }
//
/// **
// * Convert a double precision floating point number to a rational.
// * inf is expressed as {1,0} or {-1,0} depending on the sign.
// *
// * @param d double to convert
// * @param max the maximum allowed numerator and denominator
// * @return (AVRational) d
// */
// AVRational av_d2q(double d, int max) av_const;
//
/// **
// * @return 1 if q1 is nearer to q than q2, -1 if q2 is nearer
// * than q1, 0 if they have the same distance.
// */
// int av_nearer_q(AVRational q, AVRational q1, AVRational q2);
//
/// **
// * Find the nearest value in q_list to q.
// * @param q_list an array of rationals terminated by {0, 0}
// * @return the index of the nearest value found in the array
// */
// int av_find_nearest_q_idx(AVRational q, const AVRational* q_list);
//
/// **
// * @}
// */
function AVRational(const num, den: Integer): TAVRational; inline;
implementation
function AVRational(const num, den: Integer): TAVRational;
begin
Result.num := num;
Result.den := den;
end;
end.

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@ -1,274 +0,0 @@
(*
* This file is part of ffm.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
unit ffm.samplefmt;
{$i ffmpeg.inc}
interface
(*
* Audio Sample Formats
*
* @par
* The data described by the sample format is always in native-endian order.
* Sample values can be expressed by native C types, hence the lack of a signed
* 24-bit sample format even though it is a common raw audio data format.
*
* @par
* The floating-point formats are based on full volume being in the range
* [-1.0, 1.0]. Any values outside this range are beyond full volume level.
*
* @par
* The data layout as used in av_samples_fill_arrays() and elsewhere in FFmpeg
* (such as AVFrame in libavcodec) is as follows:
*
* For planar sample formats, each audio channel is in a separate data plane,
* and linesize is the buffer size, in bytes, for a single plane. All data
* planes must be the same size. For {packed} sample formats, only the first data
* plane is used, and samples for each channel are interleaved. In this case,
* linesize is the buffer size, in bytes, for the 1 plane.
*)
Type
pAVSampleFormat = ^TAVSampleFormat;
TAVSampleFormat = ( //
AV_SAMPLE_FMT_NONE = -1, //
AV_SAMPLE_FMT_U8,
/// < unsigned 8 bits
AV_SAMPLE_FMT_S16,
/// < signed 16 bits
AV_SAMPLE_FMT_S32,
/// < signed 32 bits
AV_SAMPLE_FMT_FLT,
/// < float
AV_SAMPLE_FMT_DBL,
/// < double
AV_SAMPLE_FMT_U8P,
/// < unsigned 8 bits, planar
AV_SAMPLE_FMT_S16P,
/// < signed 16 bits, planar
AV_SAMPLE_FMT_S32P,
/// < signed 32 bits, planar
AV_SAMPLE_FMT_FLTP,
/// < float, planar
AV_SAMPLE_FMT_DBLP,
/// < double, planar
AV_SAMPLE_FMT_NB
/// < Number of sample formats. DO NOT USE if linking dynamically
);
(*
* Return the name of sample_fmt, or NULL if sample_fmt is not
* recognized.
*)
// const char *av_get_sample_fmt_name(enum AVSampleFormat sample_fmt);
function av_get_sample_fmt_name(sample_fmt: TAVSampleFormat): pAnsiChar; cdecl;
(*
* Return a sample format corresponding to name, or AV_SAMPLE_FMT_NONE
* on error.
*)
// enum AVSampleFormat av_get_sample_fmt(const char *name);
(*
* Return the planar<->{packed} alternative form of the given sample format, or
* AV_SAMPLE_FMT_NONE on error. If the passed sample_fmt is already in the
* requested planar/{packed} format, the format returned is the same as the
* input.
*)
// enum AVSampleFormat av_get_alt_sample_fmt(enum AVSampleFormat sample_fmt, int planar);
(*
* Get the {packed} alternative form of the given sample format.
*
* If the passed sample_fmt is already in {packed} format, the format returned is
* the same as the input.
*
* @return the {packed} alternative form of the given sample format or
AV_SAMPLE_FMT_NONE on error.
*)
// enum AVSampleFormat av_get_{packed}_sample_fmt(enum AVSampleFormat sample_fmt);
(*
* Get the planar alternative form of the given sample format.
*
* If the passed sample_fmt is already in planar format, the format returned is
* the same as the input.
*
* @return the planar alternative form of the given sample format or
AV_SAMPLE_FMT_NONE on error.
*)
// enum AVSampleFormat av_get_planar_sample_fmt(enum AVSampleFormat sample_fmt);
(*
* Generate a string corresponding to the sample format with
* sample_fmt, or a header if sample_fmt is negative.
*
* @param buf the buffer where to write the string
* @param buf_size the size of buf
* @param sample_fmt the number of the sample format to print the
* corresponding info string, or a negative value to print the
* corresponding header.
* @return the pointer to the filled buffer or NULL if sample_fmt is
* unknown or in case of other errors
*)
// char *av_get_sample_fmt_string(char *buf, int buf_size, enum AVSampleFormat sample_fmt);
{$IFDEF FF_API_GET_BITS_PER_SAMPLE_FMT}
(*
* @deprecated Use av_get_bytes_per_sample() instead.
*)
// attribute_deprecated
// int av_get_bits_per_sample_fmt(enum AVSampleFormat sample_fmt);
{$ENDIF}
(*
* Return number of bytes per sample.
*
* @param sample_fmt the sample format
* @return number of bytes per sample or zero if unknown for the given
* sample format
*)
// int av_get_bytes_per_sample(enum AVSampleFormat sample_fmt);
function av_get_bytes_per_sample(sample_fmt: TAVSampleFormat): integer; cdecl;
(*
* Check if the sample format is planar.
*
* @param sample_fmt the sample format to inspect
* @return 1 if the sample format is planar, 0 if it is interleaved
*)
// int av_sample_fmt_is_planar(enum AVSampleFormat sample_fmt);
(*
* Get the required buffer size for the given audio parameters.
*
* @param[out] linesize calculated linesize, may be NULL
* @param nb_channels the number of channels
* @param nb_samples the number of samples in a single channel
* @param sample_fmt the sample format
* @param align buffer size alignment (0 = default, 1 = no alignment)
* @return required buffer size, or negative error code on failure
*)
// int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples, enum AVSampleFormat sample_fmt, int align);
function av_samples_get_buffer_size(linesize: pInteger; nb_channels: integer; nb_samples: integer;
sample_fmt: TAVSampleFormat; align: integer): integer; cdecl;
(*
* Fill plane data pointers and linesize for samples with sample
* format sample_fmt.
*
* The audio_data array is filled with the pointers to the samples data planes:
* for planar, set the start point of each channel's data within the buffer,
* for {packed}, set the start point of the entire buffer only.
*
* The value pointed to by linesize is set to the aligned size of each
* channel's data buffer for planar layout, or to the aligned size of the
* buffer for all channels for {packed} layout.
*
* The buffer in buf must be big enough to contain all the samples
* (use av_samples_get_buffer_size() to compute its minimum size),
* otherwise the audio_data pointers will point to invalid data.
*
* @see enum AVSampleFormat
* The documentation for AVSampleFormat describes the data layout.
*
* @param[out] audio_data array to be filled with the pointer for each channel
* @param[out] linesize calculated linesize, may be NULL
* @param buf the pointer to a buffer containing the samples
* @param nb_channels the number of channels
* @param nb_samples the number of samples in a single channel
* @param sample_fmt the sample format
* @param align buffer size alignment (0 = default, 1 = no alignment)
* @return >=0 on success or a negative error code on failure
* @todo return minimum size in bytes required for the buffer in case
* of success at the next bump
*)
// int av_samples_fill_arrays(uint8_t **audio_data, int *linesize,
// const uint8_t *buf,
// int nb_channels, int nb_samples,
// enum AVSampleFormat sample_fmt, int align);
(*
* Allocate a samples buffer for nb_samples samples, and fill data pointers and
* linesize accordingly.
* The allocated samples buffer can be freed by using av_freep(&audio_data[0])
* Allocated data will be initialized to silence.
*
* @see enum AVSampleFormat
* The documentation for AVSampleFormat describes the data layout.
*
* @param[out] audio_data array to be filled with the pointer for each channel
* @param[out] linesize aligned size for audio buffer(s), may be NULL
* @param nb_channels number of audio channels
* @param nb_samples number of samples per channel
* @param align buffer size alignment (0 = default, 1 = no alignment)
* @return >=0 on success or a negative error code on failure
* @todo return the size of the allocated buffer in case of success at the next bump
* @see av_samples_fill_arrays()
* @see av_samples_alloc_array_and_samples()
*)
// int av_samples_alloc(uint8_t **audio_data, int *linesize, int nb_channels,
// int nb_samples, enum AVSampleFormat sample_fmt, int align);
(*
* Allocate a data pointers array, samples buffer for nb_samples
* samples, and fill data pointers and linesize accordingly.
*
* This is the same as av_samples_alloc(), but also allocates the data
* pointers array.
*
* @see av_samples_alloc()
*)
// int av_samples_alloc_array_and_samples(uint8_t ***audio_data, int *linesize, int nb_channels,
// int nb_samples, enum AVSampleFormat sample_fmt, int align);
(*
* Copy samples from src to dst.
*
* @param dst destination array of pointers to data planes
* @param src source array of pointers to data planes
* @param dst_offset offset in samples at which the data will be written to dst
* @param src_offset offset in samples at which the data will be read from src
* @param nb_samples number of samples to be copied
* @param nb_channels number of audio channels
* @param sample_fmt audio sample format
*)
// int av_samples_copy(uint8_t **dst, uint8_t * const *src, int dst_offset,
// int src_offset, int nb_samples, int nb_channels,
// enum AVSampleFormat sample_fmt);
(*
* Fill an audio buffer with silence.
*
* @param audio_data array of pointers to data planes
* @param offset offset in samples at which to start filling
* @param nb_samples number of samples to fill
* @param nb_channels number of audio channels
* @param sample_fmt audio sample format
*)
// int av_samples_set_silence(uint8_t **audio_data, int offset, int nb_samples,
// int nb_channels, enum AVSampleFormat sample_fmt);
implementation
uses ffm.lib;
function av_get_bytes_per_sample; external avutil_dll;
function av_get_sample_fmt_name; external avutil_dll;
function av_samples_get_buffer_size; external avutil_dll;
end.

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@ -1,309 +0,0 @@
(*
* Copyright (C) 2011-2013 Michael Niedermayer (michaelni@gmx.at)
*
* This file is part of libswresample
*
* libswresample is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* libswresample is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with libswresample; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
unit ffm.swresample;
{$i ffmpeg.inc}
interface
(*
* @defgroup lswr Libswresample
* @{
*
* Libswresample (lswr) is a library that handles audio resampling, sample
* format conversion and mixing.
*
* Interaction with lswr is done through SwrContext, which is
* allocated with swr_alloc() or swr_alloc_set_opts(). It is opaque, so all parameters
* must be set with the @ref avoptions API.
*
* For example the following code will setup conversion from planar float sample
* format to interleaved signed 16-bit integer, downsampling from 48kHz to
* 44.1kHz and downmixing from 5.1 channels to stereo (using the default mixing
* matrix):
* @code
* SwrContext *swr = swr_alloc();
* av_opt_set_channel_layout(swr, "in_channel_layout", AV_CH_LAYOUT_5POINT1, 0);
* av_opt_set_channel_layout(swr, "out_channel_layout", AV_CH_LAYOUT_STEREO, 0);
* av_opt_set_int(swr, "in_sample_rate", 48000, 0);
* av_opt_set_int(swr, "out_sample_rate", 44100, 0);
* av_opt_set_sample_fmt(swr, "in_sample_fmt", AV_SAMPLE_FMT_FLTP, 0);
* av_opt_set_sample_fmt(swr, "out_sample_fmt", AV_SAMPLE_FMT_S16, 0);
* @endcode
*
* Once all values have been set, it must be initialized with swr_init(). If
* you need to change the conversion parameters, you can change the parameters
* as described above, or by using swr_alloc_set_opts(), then call swr_init()
* again.
*
* The conversion itself is done by repeatedly calling swr_convert().
* Note that the samples may get buffered in swr if you provide insufficient
* output space or if sample rate conversion is done, which requires "future"
* samples. Samples that do not require future input can be retrieved at any
* time by using swr_convert() (in_count can be set to 0).
* At the end of conversion the resampling buffer can be flushed by calling
* swr_convert() with NULL in and 0 in_count.
*
* The delay between input and output, can at any time be found by using
* swr_get_delay().
*
* The following code demonstrates the conversion loop assuming the parameters
* from above and caller-defined functions get_input() and handle_output():
* @code
* uint8_t **input;
* int in_samples;
*
* while (get_input(&input, &in_samples)) {
* uint8_t *output;
* int out_samples = av_rescale_rnd(swr_get_delay(swr, 48000) +
* in_samples, 44100, 48000, AV_ROUND_UP);
* av_samples_alloc(&output, NULL, 2, out_samples,
* AV_SAMPLE_FMT_S16, 0);
* out_samples = swr_convert(swr, &output, out_samples,
* input, in_samples);
* handle_output(output, out_samples);
* av_freep(&output);
* }
* @endcode
*
* When the conversion is finished, the conversion
* context and everything associated with it must be freed with swr_free().
* There will be no memory leak if the data is not completely flushed before
* swr_free().
*)
//#if LIBSWRESAMPLE_VERSION_MAJOR < 1
//#define SWR_CH_MAX 32 ///< Maximum number of channels
//#endif
//#define SWR_FLAG_RESAMPLE 1 ///< Force resampling even if equal sample rate
//TODO use int resample ?
//long term TODO can we enable this dynamically?
//enum SwrDitherType {
// SWR_DITHER_NONE = 0,
// SWR_DITHER_RECTANGULAR,
// SWR_DITHER_TRIANGULAR,
// SWR_DITHER_TRIANGULAR_HIGHPASS,
//
// SWR_DITHER_NS = 64, ///< not part of API/ABI
// SWR_DITHER_NS_LIPSHITZ,
// SWR_DITHER_NS_F_WEIGHTED,
// SWR_DITHER_NS_MODIFIED_E_WEIGHTED,
// SWR_DITHER_NS_IMPROVED_E_WEIGHTED,
// SWR_DITHER_NS_SHIBATA,
// SWR_DITHER_NS_LOW_SHIBATA,
// SWR_DITHER_NS_HIGH_SHIBATA,
// SWR_DITHER_NB, ///< not part of API/ABI
//};
//
//(* Resampling Engines *)
//enum SwrEngine {
// SWR_ENGINE_SWR, (*< SW Resampler *)
// SWR_ENGINE_SOXR, (*< SoX Resampler *)
// SWR_ENGINE_NB, ///< not part of API/ABI
//};
//
//(* Resampling Filter Types *)
//enum SwrFilterType {
// SWR_FILTER_TYPE_CUBIC, (*< Cubic *)
// SWR_FILTER_TYPE_BLACKMAN_NUTTALL, (*< Blackman Nuttall Windowed Sinc *)
// SWR_FILTER_TYPE_KAISER, (*< Kaiser Windowed Sinc *)
//};
Type
//typedef struct SwrContext SwrContext;
pSwrContext = ^TSwrContext;
TSwrContext = record
end;
(*
* Get the AVClass for swrContext. It can be used in combination with
* AV_OPT_SEARCH_FAKE_OBJ for examining options.
*
* @see av_opt_find().
*)
//const AVClass *swr_get_class(void);
(*
* Allocate SwrContext.
*
* If you use this function you will need to set the parameters (manually or
* with swr_alloc_set_opts()) before calling swr_init().
*
* @see swr_alloc_set_opts(), swr_init(), swr_free()
* @return NULL on error, allocated context otherwise
*)
//struct SwrContext *swr_alloc(void);
(*
* Initialize context after user parameters have been set.
*
* @return AVERROR error code in case of failure.
*)
//int swr_init(struct SwrContext *s);
(*
* Allocate SwrContext if needed and set/reset common parameters.
*
* This function does not require s to be allocated with swr_alloc(). On the
* other hand, swr_alloc() can use swr_alloc_set_opts() to set the parameters
* on the allocated context.
*
* @param s Swr context, can be NULL
* @param out_ch_layout output channel layout (AV_CH_LAYOUT_* )
* @param out_sample_fmt output sample format (AV_SAMPLE_FMT_* ).
* @param out_sample_rate output sample rate (frequency in Hz)
* @param in_ch_layout input channel layout (AV_CH_LAYOUT_* )
* @param in_sample_fmt input sample format (AV_SAMPLE_FMT_* ).
* @param in_sample_rate input sample rate (frequency in Hz)
* @param log_offset logging level offset
* @param log_ctx parent logging context, can be NULL
*
* @see swr_init(), swr_free()
* @return NULL on error, allocated context otherwise
*)
//struct SwrContext *swr_alloc_set_opts(struct SwrContext *s,
// int64_t out_ch_layout, enum AVSampleFormat out_sample_fmt, int out_sample_rate,
// int64_t in_ch_layout, enum AVSampleFormat in_sample_fmt, int in_sample_rate,
// int log_offset, void *log_ctx);
(*
* Free the given SwrContext and set the pointer to NULL.
*)
//void swr_free(struct SwrContext **s);
(*
* Convert audio.
*
* in and in_count can be set to 0 to flush the last few samples out at the
* end.
*
* If more input is provided than output space then the input will be buffered.
* You can avoid this buffering by providing more output space than input.
* Convertion will run directly without copying whenever possible.
*
* @param s allocated Swr context, with parameters set
* @param out output buffers, only the first one need be set in case of packed audio
* @param out_count amount of space available for output in samples per channel
* @param in input buffers, only the first one need to be set in case of packed audio
* @param in_count number of input samples available in one channel
*
* @return number of samples output per channel, negative value on error
*)
//int swr_convert(struct SwrContext *s, uint8_t **out, int out_count,
// const uint8_t **in , int in_count);
function swr_convert(s:pSwrContext; Var out_:PByte; out_count:Integer;
const in_:pByte;in_count:Integer):Integer;cdecl;
(*
* Convert the next timestamp from input to output
* timestamps are in 1/(in_sample_rate * out_sample_rate) units.
*
* @note There are 2 slightly differently behaving modes.
* First is when automatic timestamp compensation is not used, (min_compensation >= FLT_MAX)
* in this case timestamps will be passed through with delays compensated
* Second is when automatic timestamp compensation is used, (min_compensation < FLT_MAX)
* in this case the output timestamps will match output sample numbers
*
* @param pts timestamp for the next input sample, INT64_MIN if unknown
* @return the output timestamp for the next output sample
*)
//int64_t swr_next_pts(struct SwrContext *s, int64_t pts);
(*
* Activate resampling compensation.
*)
//int swr_set_compensation(struct SwrContext *s, int sample_delta, int compensation_distance);
(*
* Set a customized input channel mapping.
*
* @param s allocated Swr context, not yet initialized
* @param channel_map customized input channel mapping (array of channel
* indexes, -1 for a muted channel)
* @return AVERROR error code in case of failure.
*)
//int swr_set_channel_mapping(struct SwrContext *s, const int *channel_map);
(*
* Set a customized remix matrix.
*
* @param s allocated Swr context, not yet initialized
* @param matrix remix coefficients; matrix[i + stride * o] is
* the weight of input channel i in output channel o
* @param stride offset between lines of the matrix
* @return AVERROR error code in case of failure.
*)
//int swr_set_matrix(struct SwrContext *s, const double *matrix, int stride);
(*
* Drops the specified number of output samples.
*)
//int swr_drop_output(struct SwrContext *s, int count);
(*
* Injects the specified number of silence samples.
*)
//int swr_inject_silence(struct SwrContext *s, int count);
(*
* Gets the delay the next input sample will experience relative to the next output sample.
*
* Swresample can buffer data if more input has been provided than available
* output space, also converting between sample rates needs a delay.
* This function returns the sum of all such delays.
* The exact delay is not necessarily an integer value in either input or
* output sample rate. Especially when downsampling by a large value, the
* output sample rate may be a poor choice to represent the delay, similarly
* for upsampling and the input sample rate.
*
* @param s swr context
* @param base timebase in which the returned delay will be
* if its set to 1 the returned delay is in seconds
* if its set to 1000 the returned delay is in milli seconds
* if its set to the input sample rate then the returned delay is in input samples
* if its set to the output sample rate then the returned delay is in output samples
* an exact rounding free delay can be found by using LCM(in_sample_rate, out_sample_rate)
* @returns the delay in 1/base units.
*)
//int64_t swr_get_delay(struct SwrContext *s, int64_t base);
(*
* Return the LIBSWRESAMPLE_VERSION_INT constant.
*)
//unsigned swresample_version(void);
(*
* Return the swr build-time configuration.
*)
//const char *swresample_configuration(void);
(*
* Return the swr license.
*)
//const char *swresample_license(void);
implementation
uses ffm.lib;
function swr_convert; external swscale_dll;
end.

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@ -1,413 +0,0 @@
unit ffm.swscale;
{$i ffmpeg.inc}
interface
uses
ffm.pixfmt, ffm.ctypes;
(*
* Copyright (C) 2001-2011 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of ffm.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
(*
* @file
* @ingroup lsws
* external API header
*)
(*
* @defgroup lsws Libswscale
* @{
*)
(*
* Return the LIBSWSCALE_VERSION_INT constant.
*)
// unsigned swscale_version(void);
(*
* Return the libswscale build-time configuration.
*)
// const char *swscale_configuration(void);
(*
* Return the libswscale license.
*)
// const char *swscale_license(void);
Const
(* values for the flags, the stuff on the command line is different *)
SWS_FAST_BILINEAR = 1;
SWS_BILINEAR = 2;
SWS_BICUBIC = 4;
SWS_X = 8;
SWS_POINT = $10;
SWS_AREA = $20;
SWS_BICUBLIN = $40;
SWS_GAUSS = $80;
SWS_SINC = $100;
SWS_LANCZOS = $200;
SWS_SPLINE = $400;
SWS_SRC_V_CHR_DROP_MASK = $30000;
SWS_SRC_V_CHR_DROP_SHIFT = 16;
SWS_PARAM_DEFAULT = 123456;
SWS_PRINT_INFO = $1000;
// the following 3 flags are not completely implemented
// internal chrominace subsampling info
SWS_FULL_CHR_H_INT = $2000;
// input subsampling info
SWS_FULL_CHR_H_INP = $4000;
SWS_DIRECT_BGR = $8000;
SWS_ACCURATE_RND = $40000;
SWS_BITEXACT = $80000;
SWS_ERROR_DIFFUSION = $800000;
{$IFDEF FF_API_SWS_CPU_CAPS}
(*
* CPU caps are autodetected now, those flags
* are only provided for API compatibility.
*)
SWS_CPU_CAPS_MMX = $80000000;
SWS_CPU_CAPS_MMXEXT = $20000000;
SWS_CPU_CAPS_MMX2 = $20000000;
SWS_CPU_CAPS_3DNOW = $40000000;
SWS_CPU_CAPS_ALTIVEC = $10000000;
SWS_CPU_CAPS_BFIN = $01000000;
SWS_CPU_CAPS_SSE2 = $02000000;
{$ENDIF}
SWS_MAX_REDUCE_CUTOFF = 0.002;
SWS_CS_ITU709 = 1;
SWS_CS_FCC = 4;
SWS_CS_ITU601 = 5;
SWS_CS_ITU624 = 5;
SWS_CS_SMPTE170M = 5;
SWS_CS_SMPTE240M = 7;
SWS_CS_DEFAULT = 5;
(*
* Return a pointer to yuv<->rgb coefficients for the given colorspace
* suitable for sws_setColorspaceDetails().
*
* @param colorspace One of the SWS_CS_* macros. If invalid,
* SWS_CS_DEFAULT is used.
*)
// const int *sws_getCoefficients(int colorspace);
Type
// when used for filters they must have an odd number of elements
// coeffs cannot be shared between vectors
pSwsVector = ^TSwsVector;
TSwsVector = {packed} record
coeff: pDouble;
/// < pointer to the list of coefficients
length: Integer;
/// < number of coefficients in the vector
end;
// vectors can be shared
pSwsFilter = ^TSwsFilter;
TSwsFilter = {packed} record
lumH: pSwsVector;
lumV: pSwsVector;
chrH: pSwsVector;
chrV: pSwsVector;
end;
pSwsContext = ^TSwsContext;
TSwsContext = {packed} record
end;
(*
* Return a positive value if pix_fmt is a supported input format, 0
* otherwise.
*)
// int sws_isSupportedInput(enum AVPixelFormat pix_fmt);
(*
* Return a positive value if pix_fmt is a supported output format, 0
* otherwise.
*)
// int sws_isSupportedOutput(enum AVPixelFormat pix_fmt);
(*
* @param[in] pix_fmt the pixel format
* @return a positive value if an endianness conversion for pix_fmt is
* supported, 0 otherwise.
*)
// int sws_isSupportedEndiannessConversion(enum AVPixelFormat pix_fmt);
(*
* Allocate an empty SwsContext. This must be filled and passed to
* sws_init_context(). For filling see AVOptions, options.c and
* sws_setColorspaceDetails().
*)
// struct SwsContext *sws_alloc_context(void);
(*
* Initialize the swscaler context sws_context.
*
* @return zero or positive value on success, a negative value on
* error
*)
// int sws_init_context(struct SwsContext *sws_context, SwsFilter *srcFilter, SwsFilter *dstFilter);
(*
* Free the swscaler context swsContext.
* If swsContext is NULL, then does nothing.
*)
// void sws_freeContext(struct SwsContext *swsContext);
procedure sws_freeContext(swsContext: pSwsContext); cdecl;
{$IFDEF FF_API_SWS_GETCONTEXT}
(*
* Allocate and return an SwsContext. You need it to perform
* scaling/conversion operations using sws_scale().
*
* @param srcW the width of the source image
* @param srcH the height of the source image
* @param srcFormat the source image format
* @param dstW the width of the destination image
* @param dstH the height of the destination image
* @param dstFormat the destination image format
* @param flags specify which algorithm and options to use for rescaling
* @return a pointer to an allocated context, or NULL in case of error
* @note this function is to be removed after a saner alternative is
* written
* @deprecated Use sws_getCachedContext() instead.
*)
// struct SwsContext *sws_getContext(int srcW, int srcH, enum AVPixelFormat srcFormat,
// int dstW, int dstH, enum AVPixelFormat dstFormat,
// int flags, SwsFilter *srcFilter,
// SwsFilter *dstFilter, const double *param);
function sws_getContext(srcW: Integer; srcH: Integer; srcFormat: TAVPixelFormat; dstW: Integer; dstH: Integer; dstFormat: TAVPixelFormat;
flags: Integer; srcFilter: pSwsFilter; dstFilter: pSwsFilter; const param: pDouble): pSwsContext; cdecl;
{$ENDIF}
(*
* Scale the image slice in srcSlice and put the resulting scaled
* slice in the image in dst. A slice is a sequence of consecutive
* rows in an image.
*
* Slices have to be provided in sequential order, either in
* top-bottom or bottom-top order. If slices are provided in
* non-sequential order the behavior of the function is undefined.
*
* @param c the scaling context previously created with
* sws_getContext()
* @param srcSlice the array containing the pointers to the planes of
* the source slice
* @param srcStride the array containing the strides for each plane of
* the source image
* @param srcSliceY the position in the source image of the slice to
* process, that is the number (counted starting from
* zero) in the image of the first row of the slice
* @param srcSliceH the height of the source slice, that is the number
* of rows in the slice
* @param dst the array containing the pointers to the planes of
* the destination image
* @param dstStride the array containing the strides for each plane of
* the destination image
* @return the height of the output slice
*)
// int sws_scale(struct SwsContext *c, const uint8_t *const srcSlice[],
// const int srcStride[], int srcSliceY, int srcSliceH,
// uint8_t *const dst[], const int dstStride[]);
Type
TCintArray = array [0 .. 0] of integer;
PCintArray = ^TCintArray;
TPCuint8Array = array [0 .. 0] of pByte;
PPCuint8Array = ^TPCuint8Array;
function sws_scale( //
c: pSwsContext; // struct SwsContext *c
const srcSlice: PPCuint8Array; // const uint8_t *const srcSlice[]
const srcStride: PCintArray; // const int srcStride[]
srcSliceY: integer; // int srcSliceY
srcSliceH: integer; // int srcSliceH
dst: PPCuint8Array; // uint8_t *const dst[]
const dstStride: PCintArray // const int dstStride[]
): integer; cdecl;
{
int sws_scale(
struct SwsContext *c,
const uint8_t *const srcSlice[],
const int srcStride[],
int srcSliceY,
int srcSliceH,
uint8_t *const dst[],
const int dstStride[]);
}
(*
* @param dstRange flag indicating the while-black range of the output (1=jpeg / 0=mpeg)
* @param srcRange flag indicating the while-black range of the input (1=jpeg / 0=mpeg)
* @param table the yuv2rgb coefficients describing the output yuv space, normally ff_yuv2rgb_coeffs[x]
* @param inv_table the yuv2rgb coefficients describing the input yuv space, normally ff_yuv2rgb_coeffs[x]
* @param brightness 16.16 fixed point brightness correction
* @param contrast 16.16 fixed point contrast correction
* @param saturation 16.16 fixed point saturation correction
* @return -1 if not supported
*)
// int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4],
// int srcRange, const int table[4], int dstRange,
// int brightness, int contrast, int saturation);
(*
* @return -1 if not supported
*)
// int sws_getColorspaceDetails(struct SwsContext *c, int **inv_table,
// int *srcRange, int **table, int *dstRange,
// int *brightness, int *contrast, int *saturation);
(*
* Allocate and return an uninitialized vector with length coefficients.
*)
// SwsVector *sws_allocVec(int length);
(*
* Return a normalized Gaussian curve used to filter stuff
* quality = 3 is high quality, lower is lower quality.
*)
// SwsVector *sws_getGaussianVec(double variance, double quality);
(*
* Allocate and return a vector with length coefficients, all
* with the same value c.
*)
// SwsVector *sws_getConstVec(double c, int length);
(*
* Allocate and return a vector with just one coefficient, with
* value 1.0.
*)
// SwsVector *sws_getIdentityVec(void);
(*
* Scale all the coefficients of a by the scalar value.
*)
// void sws_scaleVec(SwsVector *a, double scalar);
(*
* Scale all the coefficients of a so that their sum equals height.
*)
// void sws_normalizeVec(SwsVector *a, double height);
// void sws_convVec(SwsVector *a, SwsVector *b);
// void sws_addVec(SwsVector *a, SwsVector *b);
// void sws_subVec(SwsVector *a, SwsVector *b);
// void sws_shiftVec(SwsVector *a, int shift);
(*
* Allocate and return a clone of the vector a, that is a vector
* with the same coefficients as a.
*)
// SwsVector *sws_cloneVec(SwsVector *a);
(*
* Print with av_log() a textual representation of the vector a
* if log_level <= av_log_level.
*)
// void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level);
// void sws_freeVec(SwsVector *a);
// SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur,
// float lumaSharpen, float chromaSharpen,
// float chromaHShift, float chromaVShift,
// int verbose);
// void sws_freeFilter(SwsFilter *filter);
(*
* Check if context can be reused, otherwise reallocate a new one.
*
* If context is NULL, just calls sws_getContext() to get a new
* context. Otherwise, checks if the parameters are the ones already
* saved in context. If that is the case, returns the current
* context. Otherwise, frees context and gets a new context with
* the new parameters.
*
* Be warned that srcFilter and dstFilter are not checked, they
* are assumed to remain the same.
*)
// struct SwsContext *sws_getCachedContext(struct SwsContext *context,
// int srcW, int srcH, enum AVPixelFormat srcFormat,
// int dstW, int dstH, enum AVPixelFormat dstFormat,
// int flags, SwsFilter *srcFilter,
// SwsFilter *dstFilter, const double *param);
function sws_getCachedContext(context:pSwsContext;
srcW:Integer; srcH:Integer; srcFormat:TAVPixelFormat;
dstW:Integer; dstH:Integer; dstFormat:TAVPixelFormat;
flags:Integer; srcFilter:pSwsFilter;
dstFilter:pSwsFilter; const param:pDouble):pSwsContext;cdecl;
(*
* Convert an 8-bit paletted frame into a frame with a color depth of 32 bits.
*
* The output frame will have the same {packed} format as the palette.
*
* @param src source frame buffer
* @param dst destination frame buffer
* @param num_pixels number of pixels to convert
* @param palette array with [256] entries, which must match color arrangement (RGB or BGR) of src
*)
// void sws_convertPalette8Topacked32(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette);
(*
* Convert an 8-bit paletted frame into a frame with a color depth of 24 bits.
*
* With the palette format "ABCD", the destination frame ends up with the format "ABC".
*
* @param src source frame buffer
* @param dst destination frame buffer
* @param num_pixels number of pixels to convert
* @param palette array with [256] entries, which must match color arrangement (RGB or BGR) of src
*)
// void sws_convertPalette8Topacked24(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette);
(*
* Get the AVClass for swsContext. It can be used in combination with
* AV_OPT_SEARCH_FAKE_OBJ for examining options.
*
* @see av_opt_find().
*)
// const AVClass *sws_get_class(void);
implementation
uses ffm.lib;
{$IFDEF FF_API_SWS_GETCONTEXT}
function sws_getContext; external swscale_dll;
{$ENDIF}
function sws_scale; external swscale_dll;
procedure sws_freeContext; external swscale_dll;
function sws_getCachedContext; external swscale_dll;
end.

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@ -1,46 +0,0 @@
(*
* Copyright (c) 2000-2003 Fabrice Bellard
*
* This file is part of ffm.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
unit ffm.time;
interface
(**
* Get the current time in microseconds.
*)
function av_gettime():int64;cdecl;
(**
* Sleep for a period of time. Although the duration is expressed in
* microseconds, the actual delay may be rounded to the precision of the
* system timer.
*
* @param usec Number of microseconds to sleep.
* @return zero on success or (negative) error code.
*)
function av_usleep(usec:cardinal):Integer;cdecl;
implementation
uses ffm.lib;
function av_gettime;external avutil_dll;
function av_usleep;external avutil_dll;
end.

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@ -1,18 +0,0 @@
//
{$POINTERMATH ON}
{$MINENUMSIZE 4} (* use 4-byte enums *)
{$WRITEABLECONST ON}
//
// swscale
{$DEFINE FF_API_SWS_GETCONTEXT}
// avfilter
{$DEFINE FF_API_AVFILTERBUFFER}
{$DEFINE FF_API_FOO_COUNT}
// libavcodec.avcodec
{$DEFINE FF_API_CODEC_ID}
{$DEFINE FF_API_XVMC}
{$DEFINE FF_API_DEBUG_MV}
{$DEFINE FF_API_THREAD_OPAQUE}
{$DEFINE FF_API_ERROR_RATE}
{$DEFINE FF_API_CODEC_PKT}
{$DEFINE FF_API_DESTRUCT_PACKET}

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@ -1,391 +0,0 @@
(*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
(*
* This header exists to prevent new codec IDs from being accidentally added to
* the deprecated list.
* Do not include it directly. It will be removed on next major bump
*
* Do not add new items to this list. Use the AVCodecID enum instead.
*)
,
CODEC_ID_NONE = AV_CODEC_ID_NONE,
(* video codecs *)
CODEC_ID_MPEG1VIDEO,
CODEC_ID_MPEG2VIDEO, ///< preferred ID for MPEG-1/2 video decoding
CODEC_ID_MPEG2VIDEO_XVMC,
CODEC_ID_H261,
CODEC_ID_H263,
CODEC_ID_RV10,
CODEC_ID_RV20,
CODEC_ID_MJPEG,
CODEC_ID_MJPEGB,
CODEC_ID_LJPEG,
CODEC_ID_SP5X,
CODEC_ID_JPEGLS,
CODEC_ID_MPEG4,
CODEC_ID_RAWVIDEO,
CODEC_ID_MSMPEG4V1,
CODEC_ID_MSMPEG4V2,
CODEC_ID_MSMPEG4V3,
CODEC_ID_WMV1,
CODEC_ID_WMV2,
CODEC_ID_H263P,
CODEC_ID_H263I,
CODEC_ID_FLV1,
CODEC_ID_SVQ1,
CODEC_ID_SVQ3,
CODEC_ID_DVVIDEO,
CODEC_ID_HUFFYUV,
CODEC_ID_CYUV,
CODEC_ID_H264,
CODEC_ID_INDEO3,
CODEC_ID_VP3,
CODEC_ID_THEORA,
CODEC_ID_ASV1,
CODEC_ID_ASV2,
CODEC_ID_FFV1,
CODEC_ID_4XM,
CODEC_ID_VCR1,
CODEC_ID_CLJR,
CODEC_ID_MDEC,
CODEC_ID_ROQ,
CODEC_ID_INTERPLAY_VIDEO,
CODEC_ID_XAN_WC3,
CODEC_ID_XAN_WC4,
CODEC_ID_RPZA,
CODEC_ID_CINEPAK,
CODEC_ID_WS_VQA,
CODEC_ID_MSRLE,
CODEC_ID_MSVIDEO1,
CODEC_ID_IDCIN,
CODEC_ID_8BPS,
CODEC_ID_SMC,
CODEC_ID_FLIC,
CODEC_ID_TRUEMOTION1,
CODEC_ID_VMDVIDEO,
CODEC_ID_MSZH,
CODEC_ID_ZLIB,
CODEC_ID_QTRLE,
CODEC_ID_TSCC,
CODEC_ID_ULTI,
CODEC_ID_QDRAW,
CODEC_ID_VIXL,
CODEC_ID_QPEG,
CODEC_ID_PNG,
CODEC_ID_PPM,
CODEC_ID_PBM,
CODEC_ID_PGM,
CODEC_ID_PGMYUV,
CODEC_ID_PAM,
CODEC_ID_FFVHUFF,
CODEC_ID_RV30,
CODEC_ID_RV40,
CODEC_ID_VC1,
CODEC_ID_WMV3,
CODEC_ID_LOCO,
CODEC_ID_WNV1,
CODEC_ID_AASC,
CODEC_ID_INDEO2,
CODEC_ID_FRAPS,
CODEC_ID_TRUEMOTION2,
CODEC_ID_BMP,
CODEC_ID_CSCD,
CODEC_ID_MMVIDEO,
CODEC_ID_ZMBV,
CODEC_ID_AVS,
CODEC_ID_SMACKVIDEO,
CODEC_ID_NUV,
CODEC_ID_KMVC,
CODEC_ID_FLASHSV,
CODEC_ID_CAVS,
CODEC_ID_JPEG2000,
CODEC_ID_VMNC,
CODEC_ID_VP5,
CODEC_ID_VP6,
CODEC_ID_VP6F,
CODEC_ID_TARGA,
CODEC_ID_DSICINVIDEO,
CODEC_ID_TIERTEXSEQVIDEO,
CODEC_ID_TIFF,
CODEC_ID_GIF,
CODEC_ID_DXA,
CODEC_ID_DNXHD,
CODEC_ID_THP,
CODEC_ID_SGI,
CODEC_ID_C93,
CODEC_ID_BETHSOFTVID,
CODEC_ID_PTX,
CODEC_ID_TXD,
CODEC_ID_VP6A,
CODEC_ID_AMV,
CODEC_ID_VB,
CODEC_ID_PCX,
CODEC_ID_SUNRAST,
CODEC_ID_INDEO4,
CODEC_ID_INDEO5,
CODEC_ID_MIMIC,
CODEC_ID_RL2,
CODEC_ID_ESCAPE124,
CODEC_ID_DIRAC,
CODEC_ID_BFI,
CODEC_ID_CMV,
CODEC_ID_MOTIONPIXELS,
CODEC_ID_TGV,
CODEC_ID_TGQ,
CODEC_ID_TQI,
CODEC_ID_AURA,
CODEC_ID_AURA2,
CODEC_ID_V210X,
CODEC_ID_TMV,
CODEC_ID_V210,
CODEC_ID_DPX,
CODEC_ID_MAD,
CODEC_ID_FRWU,
CODEC_ID_FLASHSV2,
CODEC_ID_CDGRAPHICS,
CODEC_ID_R210,
CODEC_ID_ANM,
CODEC_ID_BINKVIDEO,
CODEC_ID_IFF_ILBM,
CODEC_ID_IFF_BYTERUN1,
CODEC_ID_KGV1,
CODEC_ID_YOP,
CODEC_ID_VP8,
CODEC_ID_PICTOR,
CODEC_ID_ANSI,
CODEC_ID_A64_MULTI,
CODEC_ID_A64_MULTI5,
CODEC_ID_R10K,
CODEC_ID_MXPEG,
CODEC_ID_LAGARITH,
CODEC_ID_PRORES,
CODEC_ID_JV,
CODEC_ID_DFA,
CODEC_ID_WMV3IMAGE,
CODEC_ID_VC1IMAGE,
CODEC_ID_UTVIDEO,
CODEC_ID_BMV_VIDEO,
CODEC_ID_VBLE,
CODEC_ID_DXTORY,
CODEC_ID_V410,
CODEC_ID_XWD,
CODEC_ID_CDXL,
CODEC_ID_XBM,
CODEC_ID_ZEROCODEC,
CODEC_ID_MSS1,
CODEC_ID_MSA1,
CODEC_ID_TSCC2,
CODEC_ID_MTS2,
CODEC_ID_CLLC,
CODEC_ID_Y41P = $59343150,//MKBETAG('Y','4','1','P'),
CODEC_ID_ESCAPE130 = $45313330,//MKBETAG('E','1','3','0'),
CODEC_ID_EXR = $30455852,//MKBETAG('0','E','X','R'),
CODEC_ID_AVRP = $41565250,//MKBETAG('A','V','R','P'),
CODEC_ID_G2M = $3047324D,//MKBETAG( 0 ,'G','2','M'),
CODEC_ID_AVUI = $41565549,//MKBETAG('A','V','U','I'),
CODEC_ID_AYUV = $41595556,//MKBETAG('A','Y','U','V'),
CODEC_ID_V308 = $56333038,//MKBETAG('V','3','0','8'),
CODEC_ID_V408 = $56343038,//MKBETAG('V','4','0','8'),
CODEC_ID_YUV4 = $59555634,//MKBETAG('Y','U','V','4'),
CODEC_ID_SANM = $53414E4D,//MKBETAG('S','A','N','M'),
CODEC_ID_PAF_VIDEO = $50414656,//MKBETAG('P','A','F','V'),
CODEC_ID_SNOW = AV_CODEC_ID_SNOW,
(* various PCM "codecs" *)
CODEC_ID_FIRST_AUDIO = $10000, ///< A dummy id pointing at the start of audio codecs
CODEC_ID_PCM_S16LE = $10000,
CODEC_ID_PCM_S16BE,
CODEC_ID_PCM_U16LE,
CODEC_ID_PCM_U16BE,
CODEC_ID_PCM_S8,
CODEC_ID_PCM_U8,
CODEC_ID_PCM_MULAW,
CODEC_ID_PCM_ALAW,
CODEC_ID_PCM_S32LE,
CODEC_ID_PCM_S32BE,
CODEC_ID_PCM_U32LE,
CODEC_ID_PCM_U32BE,
CODEC_ID_PCM_S24LE,
CODEC_ID_PCM_S24BE,
CODEC_ID_PCM_U24LE,
CODEC_ID_PCM_U24BE,
CODEC_ID_PCM_S24DAUD,
CODEC_ID_PCM_ZORK,
CODEC_ID_PCM_S16LE_PLANAR,
CODEC_ID_PCM_DVD,
CODEC_ID_PCM_F32BE,
CODEC_ID_PCM_F32LE,
CODEC_ID_PCM_F64BE,
CODEC_ID_PCM_F64LE,
CODEC_ID_PCM_BLURAY,
CODEC_ID_PCM_LXF,
CODEC_ID_S302M,
CODEC_ID_PCM_S8_PLANAR,
(* various ADPCM codecs *)
CODEC_ID_ADPCM_IMA_QT = $11000,
CODEC_ID_ADPCM_IMA_WAV,
CODEC_ID_ADPCM_IMA_DK3,
CODEC_ID_ADPCM_IMA_DK4,
CODEC_ID_ADPCM_IMA_WS,
CODEC_ID_ADPCM_IMA_SMJPEG,
CODEC_ID_ADPCM_MS,
CODEC_ID_ADPCM_4XM,
CODEC_ID_ADPCM_XA,
CODEC_ID_ADPCM_ADX,
CODEC_ID_ADPCM_EA,
CODEC_ID_ADPCM_G726,
CODEC_ID_ADPCM_CT,
CODEC_ID_ADPCM_SWF,
CODEC_ID_ADPCM_YAMAHA,
CODEC_ID_ADPCM_SBPRO_4,
CODEC_ID_ADPCM_SBPRO_3,
CODEC_ID_ADPCM_SBPRO_2,
CODEC_ID_ADPCM_THP,
CODEC_ID_ADPCM_IMA_AMV,
CODEC_ID_ADPCM_EA_R1,
CODEC_ID_ADPCM_EA_R3,
CODEC_ID_ADPCM_EA_R2,
CODEC_ID_ADPCM_IMA_EA_SEAD,
CODEC_ID_ADPCM_IMA_EA_EACS,
CODEC_ID_ADPCM_EA_XAS,
CODEC_ID_ADPCM_EA_MAXIS_XA,
CODEC_ID_ADPCM_IMA_ISS,
CODEC_ID_ADPCM_G722,
CODEC_ID_ADPCM_IMA_APC,
CODEC_ID_VIMA = $56494D41,//MKBETAG('V','I','M','A'),
(* AMR *)
CODEC_ID_AMR_NB = $12000,
CODEC_ID_AMR_WB,
(* RealAudio codecs*)
CODEC_ID_RA_144 = $13000,
CODEC_ID_RA_288,
(* various DPCM codecs *)
CODEC_ID_ROQ_DPCM = $14000,
CODEC_ID_INTERPLAY_DPCM,
CODEC_ID_XAN_DPCM,
CODEC_ID_SOL_DPCM,
(* audio codecs *)
CODEC_ID_MP2 = $15000,
CODEC_ID_MP3, ///< preferred ID for decoding MPEG audio layer 1, 2 or 3
CODEC_ID_AAC,
CODEC_ID_AC3,
CODEC_ID_DTS,
CODEC_ID_VORBIS,
CODEC_ID_DVAUDIO,
CODEC_ID_WMAV1,
CODEC_ID_WMAV2,
CODEC_ID_MACE3,
CODEC_ID_MACE6,
CODEC_ID_VMDAUDIO,
CODEC_ID_FLAC,
CODEC_ID_MP3ADU,
CODEC_ID_MP3ON4,
CODEC_ID_SHORTEN,
CODEC_ID_ALAC,
CODEC_ID_WESTWOOD_SND1,
CODEC_ID_GSM, ///< as in Berlin toast format
CODEC_ID_QDM2,
CODEC_ID_COOK,
CODEC_ID_TRUESPEECH,
CODEC_ID_TTA,
CODEC_ID_SMACKAUDIO,
CODEC_ID_QCELP,
CODEC_ID_WAVPACK,
CODEC_ID_DSICINAUDIO,
CODEC_ID_IMC,
CODEC_ID_MUSEPACK7,
CODEC_ID_MLP,
CODEC_ID_GSM_MS, (* as found in WAV *)
CODEC_ID_ATRAC3,
CODEC_ID_VOXWARE,
CODEC_ID_APE,
CODEC_ID_NELLYMOSER,
CODEC_ID_MUSEPACK8,
CODEC_ID_SPEEX,
CODEC_ID_WMAVOICE,
CODEC_ID_WMAPRO,
CODEC_ID_WMALOSSLESS,
CODEC_ID_ATRAC3P,
CODEC_ID_EAC3,
CODEC_ID_SIPR,
CODEC_ID_MP1,
CODEC_ID_TWINVQ,
CODEC_ID_TRUEHD,
CODEC_ID_MP4ALS,
CODEC_ID_ATRAC1,
CODEC_ID_BINKAUDIO_RDFT,
CODEC_ID_BINKAUDIO_DCT,
CODEC_ID_AAC_LATM,
CODEC_ID_QDMC,
CODEC_ID_CELT,
CODEC_ID_G723_1,
CODEC_ID_G729,
CODEC_ID_8SVX_EXP,
CODEC_ID_8SVX_FIB,
CODEC_ID_BMV_AUDIO,
CODEC_ID_RALF,
CODEC_ID_IAC,
CODEC_ID_ILBC,
CODEC_ID_FFWAVESYNTH = $46465753,//MKBETAG('F','F','W','S'),
CODEC_ID_SONIC = $534F4E43,//MKBETAG('S','O','N','C'),
CODEC_ID_SONIC_LS = $534F4E4C,//MKBETAG('S','O','N','L'),
CODEC_ID_PAF_AUDIO = $50414641,//MKBETAG('P','A','F','A'),
CODEC_ID_OPUS = $4F505553,//MKBETAG('O','P','U','S'),
(* subtitle codecs *)
CODEC_ID_FIRST_SUBTITLE = $17000, ///< A dummy ID pointing at the start of subtitle codecs.
CODEC_ID_DVD_SUBTITLE = $17000,
CODEC_ID_DVB_SUBTITLE,
CODEC_ID_TEXT, ///< raw UTF-8 text
CODEC_ID_XSUB,
CODEC_ID_SSA,
CODEC_ID_MOV_TEXT,
CODEC_ID_HDMV_PGS_SUBTITLE,
CODEC_ID_DVB_TELETEXT,
CODEC_ID_SRT,
CODEC_ID_MICRODVD = $6D445644,//MKBETAG('m','D','V','D'),
CODEC_ID_EIA_608 = $63363038,//MKBETAG('c','6','0','8'),
CODEC_ID_JACOSUB = $4A535542,//MKBETAG('J','S','U','B'),
CODEC_ID_SAMI = $53414D49,//MKBETAG('S','A','M','I'),
CODEC_ID_REALTEXT = $52545854,//MKBETAG('R','T','X','T'),
CODEC_ID_SUBVIEWER = $53756256,//MKBETAG('S','u','b','V'),
(* other specific kind of codecs (generally used for attachments) *)
CODEC_ID_FIRST_UNKNOWN = $18000, ///< A dummy ID pointing at the start of various fake codecs.
CODEC_ID_TTF = $18000,
CODEC_ID_BINTEXT = $42545854,//MKBETAG('B','T','X','T'),
CODEC_ID_XBIN = $5842494E,//MKBETAG('X','B','I','N'),
CODEC_ID_IDF = $30494446,//MKBETAG( 0 ,'I','D','F'),
CODEC_ID_OTF = $304F5446,//MKBETAG( 0 ,'O','T','F'),
CODEC_ID_PROBE = $19000, ///< codec_id is not known (like CODEC_ID_NONE) but lavf should attempt to identify it
CODEC_ID_MPEG2TS = $20000, (**< _FAKE_ codec to indicate a raw MPEG-2 TS
* stream (only used by libavformat) *)
CODEC_ID_MPEG4SYSTEMS = $20001, (**< _FAKE_ codec to indicate a MPEG-4 Systems
* stream (only used by libavformat) *)
CODEC_ID_FFMETADATA = $21000 ///< Dummy codec for streams containing only metadata information.

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@ -1,173 +0,0 @@
(*
* copyright (c) 2006-2012 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
(*
* This header exists to prevent new pixel formats from being accidentally added
* to the deprecated list.
* Do not include it directly. It will be removed on next major bump
*
* Do not add new items to this list. Use the AVPixelFormat enum instead.
*)
PIX_FMT_NONE = AV_PIX_FMT_NONE,
PIX_FMT_YUV420P, ///< planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
PIX_FMT_YUYV422, ///< packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
PIX_FMT_RGB24, ///< packed RGB 8:8:8, 24bpp, RGBRGB...
PIX_FMT_BGR24, ///< packed RGB 8:8:8, 24bpp, BGRBGR...
PIX_FMT_YUV422P, ///< planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
PIX_FMT_YUV444P, ///< planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
PIX_FMT_YUV410P, ///< planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
PIX_FMT_YUV411P, ///< planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
PIX_FMT_GRAY8, ///< Y , 8bpp
PIX_FMT_MONOWHITE, ///< Y , 1bpp, 0 is white, 1 is black, in each byte pixels are ordered from the msb to the lsb
PIX_FMT_MONOBLACK, ///< Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb
PIX_FMT_PAL8, ///< 8 bit with PIX_FMT_RGB32 palette
PIX_FMT_YUVJ420P, ///< planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV420P and setting color_range
PIX_FMT_YUVJ422P, ///< planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV422P and setting color_range
PIX_FMT_YUVJ444P, ///< planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV444P and setting color_range
{$IFDEF FF_API_XVMC}
PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet passing
PIX_FMT_XVMC_MPEG2_IDCT,
{$endif} //* FF_API_XVMC */
PIX_FMT_UYVY422, ///< packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
PIX_FMT_UYYVYY411, ///< packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3
PIX_FMT_BGR8, ///< packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
PIX_FMT_BGR4, ///< packed RGB 1:2:1 bitstream, 4bpp, (msb)1B 2G 1R(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits
PIX_FMT_BGR4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
PIX_FMT_RGB8, ///< packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
PIX_FMT_RGB4, ///< packed RGB 1:2:1 bitstream, 4bpp, (msb)1R 2G 1B(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits
PIX_FMT_RGB4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb)
PIX_FMT_NV12, ///< planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (first byte U and the following byte V)
PIX_FMT_NV21, ///< as above, but U and V bytes are swapped
PIX_FMT_ARGB, ///< packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
PIX_FMT_RGBA, ///< packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
PIX_FMT_ABGR, ///< packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
PIX_FMT_BGRA, ///< packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
PIX_FMT_GRAY16BE, ///< Y , 16bpp, big-endian
PIX_FMT_GRAY16LE, ///< Y , 16bpp, little-endian
PIX_FMT_YUV440P, ///< planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
PIX_FMT_YUVJ440P, ///< planar YUV 4:4:0 full scale (JPEG), deprecated in favor of PIX_FMT_YUV440P and setting color_range
PIX_FMT_YUVA420P, ///< planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
{$ifdef FF_API_VDPAU}
PIX_FMT_VDPAU_H264,///< H.264 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_MPEG1,///< MPEG-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_MPEG2,///< MPEG-2 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_WMV3,///< WMV3 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_VC1, ///< VC-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
{$endif}
PIX_FMT_RGB48BE, ///< packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as big-endian
PIX_FMT_RGB48LE, ///< packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as little-endian
PIX_FMT_RGB565BE, ///< packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
PIX_FMT_RGB565LE, ///< packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian
PIX_FMT_RGB555BE, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), big-endian, most significant bit to 0
PIX_FMT_RGB555LE, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), little-endian, most significant bit to 0
PIX_FMT_BGR565BE, ///< packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), big-endian
PIX_FMT_BGR565LE, ///< packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), little-endian
PIX_FMT_BGR555BE, ///< packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), big-endian, most significant bit to 1
PIX_FMT_BGR555LE, ///< packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), little-endian, most significant bit to 1
PIX_FMT_VAAPI_MOCO, ///< HW acceleration through VA API at motion compensation entry-point, Picture.data[3] contains a vaapi_render_state struct which contains macroblocks as well as various fields extracted from headers
PIX_FMT_VAAPI_IDCT, ///< HW acceleration through VA API at IDCT entry-point, Picture.data[3] contains a vaapi_render_state struct which contains fields extracted from headers
PIX_FMT_VAAPI_VLD, ///< HW decoding through VA API, Picture.data[3] contains a vaapi_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_YUV420P16LE, ///< planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
PIX_FMT_YUV420P16BE, ///< planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
PIX_FMT_YUV422P16LE, ///< planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
PIX_FMT_YUV422P16BE, ///< planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
PIX_FMT_YUV444P16LE, ///< planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
PIX_FMT_YUV444P16BE, ///< planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
{$ifdef FF_API_VDPAU}
PIX_FMT_VDPAU_MPEG4, ///< MPEG4 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
{$endif}
PIX_FMT_DXVA2_VLD, ///< HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer
PIX_FMT_RGB444LE, ///< packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), little-endian, most significant bits to 0
PIX_FMT_RGB444BE, ///< packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), big-endian, most significant bits to 0
PIX_FMT_BGR444LE, ///< packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), little-endian, most significant bits to 1
PIX_FMT_BGR444BE, ///< packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), big-endian, most significant bits to 1
PIX_FMT_GRAY8A, ///< 8bit gray, 8bit alpha
PIX_FMT_BGR48BE, ///< packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as big-endian
PIX_FMT_BGR48LE, ///< packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as little-endian
//the following 10 formats have the disadvantage of needing 1 format for each bit depth, thus
//If you want to support multiple bit depths, then using PIX_FMT_YUV420P16* with the bpp stored separately
//is better
PIX_FMT_YUV420P9BE, ///< planar YUV 4:2:0, 13.5bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
PIX_FMT_YUV420P9LE, ///< planar YUV 4:2:0, 13.5bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
PIX_FMT_YUV420P10BE,///< planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
PIX_FMT_YUV420P10LE,///< planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
PIX_FMT_YUV422P10BE,///< planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
PIX_FMT_YUV422P10LE,///< planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
PIX_FMT_YUV444P9BE, ///< planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
PIX_FMT_YUV444P9LE, ///< planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
PIX_FMT_YUV444P10BE,///< planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
PIX_FMT_YUV444P10LE,///< planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
PIX_FMT_YUV422P9BE, ///< planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
PIX_FMT_YUV422P9LE, ///< planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
PIX_FMT_VDA_VLD, ///< hardware decoding through VDA
{$ifdef AV_PIX_FMT_ABI_GIT_MASTER}
PIX_FMT_RGBA64BE, ///< packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
PIX_FMT_RGBA64LE, ///< packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
PIX_FMT_BGRA64BE, ///< packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
PIX_FMT_BGRA64LE, ///< packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
{$endif}
PIX_FMT_GBRP, ///< planar GBR 4:4:4 24bpp
PIX_FMT_GBRP9BE, ///< planar GBR 4:4:4 27bpp, big endian
PIX_FMT_GBRP9LE, ///< planar GBR 4:4:4 27bpp, little endian
PIX_FMT_GBRP10BE, ///< planar GBR 4:4:4 30bpp, big endian
PIX_FMT_GBRP10LE, ///< planar GBR 4:4:4 30bpp, little endian
PIX_FMT_GBRP16BE, ///< planar GBR 4:4:4 48bpp, big endian
PIX_FMT_GBRP16LE, ///< planar GBR 4:4:4 48bpp, little endian
{$ifndef AV_PIX_FMT_ABI_GIT_MASTER}
PIX_FMT_RGBA64BE=$123, ///< packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
PIX_FMT_RGBA64LE, ///< packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
PIX_FMT_BGRA64BE, ///< packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
PIX_FMT_BGRA64LE, ///< packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
{$endif}
PIX_FMT_0RGB=$123+4, ///< packed RGB 8:8:8, 32bpp, 0RGB0RGB...
PIX_FMT_RGB0, ///< packed RGB 8:8:8, 32bpp, RGB0RGB0...
PIX_FMT_0BGR, ///< packed BGR 8:8:8, 32bpp, 0BGR0BGR...
PIX_FMT_BGR0, ///< packed BGR 8:8:8, 32bpp, BGR0BGR0...
PIX_FMT_YUVA444P, ///< planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
PIX_FMT_YUVA422P, ///< planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
PIX_FMT_YUV420P12BE, ///< planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
PIX_FMT_YUV420P12LE, ///< planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
PIX_FMT_YUV420P14BE, ///< planar YUV 4:2:0,21bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
PIX_FMT_YUV420P14LE, ///< planar YUV 4:2:0,21bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
PIX_FMT_YUV422P12BE, ///< planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
PIX_FMT_YUV422P12LE, ///< planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
PIX_FMT_YUV422P14BE, ///< planar YUV 4:2:2,28bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
PIX_FMT_YUV422P14LE, ///< planar YUV 4:2:2,28bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
PIX_FMT_YUV444P12BE, ///< planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
PIX_FMT_YUV444P12LE, ///< planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
PIX_FMT_YUV444P14BE, ///< planar YUV 4:4:4,42bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
PIX_FMT_YUV444P14LE, ///< planar YUV 4:4:4,42bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
PIX_FMT_GBRP12BE, ///< planar GBR 4:4:4 36bpp, big endian
PIX_FMT_GBRP12LE, ///< planar GBR 4:4:4 36bpp, little endian
PIX_FMT_GBRP14BE, ///< planar GBR 4:4:4 42bpp, big endian
PIX_FMT_GBRP14LE, ///< planar GBR 4:4:4 42bpp, little endian
PIX_FMT_NB, ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions

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@ -1,5 +1,32 @@
(*
****************************************************************
Delphi-OpenCV Demo
Copyright (C) 2013 Project Delphi-OpenCV
****************************************************************
Contributor:
Laentir Valetov
email:laex@bk.ru
****************************************************************
You may retrieve the latest version of this file at the GitHub,
located at git://github.com/Laex/Delphi-OpenCV.git
****************************************************************
The contents of this file are used with permission, subject to
the Mozilla Public License Version 1.1 (the "License"); you may
not use this file except in compliance with the License. You may
obtain a copy of the License at
http://www.mozilla.org/MPL/MPL-1_1Final.html
Software distributed under the License is distributed on an
"AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
implied. See the License for the specific language governing
rights and limitations under the License.
****************************************************************
*)
unit ocv.fmxutils; unit ocv.fmxutils;
{$I OpenCV.inc}
interface interface
Uses Uses
@ -15,9 +42,10 @@ procedure IPLImageToFMXBitmap(const IpImage: pIplImage; const FMXBitmap: TBitmap
implementation implementation
{$IFDEF DELPHIXE5_UP}
Uses FMX.Types; Uses FMX.Types;
{$IFDEF DELPHIXE5_UP}
procedure IPLImageToFMXBitmap(const IpImage: pIplImage; const FMXBitmap: TBitmap); inline; procedure IPLImageToFMXBitmap(const IpImage: pIplImage; const FMXBitmap: TBitmap); inline;
Var Var
BitmapData: TBitmapData; BitmapData: TBitmapData;