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Fixed issues.

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Signed-off-by: Laentir Valetov <laex@bk.ru>
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Laentir Valetov 2014-07-22 16:03:30 +04:00
parent 19c2916c0d
commit a0a8c8d419
18 changed files with 1487 additions and 345 deletions
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693
samples/FFMpeg/decoding_encoding/decoding_encoding.dpr Normal file
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(*
* 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;
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;
Var
output_type: String;
begin
try
(* 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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samples/FFMpeg/decoding_encoding/decoding_encoding.dproj Normal file
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<VerInfo_Keys>CompanyName=;FileDescription=;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductName=;ProductVersion=1.0.0.0;Comments=</VerInfo_Keys>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_1)'!=''">
<DCC_DebugInformation>0</DCC_DebugInformation>
<DCC_Define>RELEASE;$(DCC_Define)</DCC_Define>
<DCC_SymbolReferenceInfo>0</DCC_SymbolReferenceInfo>
<DCC_LocalDebugSymbols>false</DCC_LocalDebugSymbols>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_1_Win32)'!=''">
<VerInfo_Locale>1033</VerInfo_Locale>
<VerInfo_Keys>CompanyName=;FileDescription=;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductName=;ProductVersion=1.0.0.0;Comments=</VerInfo_Keys>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_2)'!=''">
<DCC_Define>DEBUG;$(DCC_Define)</DCC_Define>
<DCC_Optimize>false</DCC_Optimize>
<DCC_GenerateStackFrames>true</DCC_GenerateStackFrames>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_2_Win32)'!=''">
<VerInfo_Locale>1033</VerInfo_Locale>
<VerInfo_Keys>CompanyName=;FileDescription=;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductName=;ProductVersion=1.0.0.0;Comments=</VerInfo_Keys>
</PropertyGroup>
<ItemGroup>
<DelphiCompile Include="$(MainSource)">
<MainSource>MainSource</MainSource>
</DelphiCompile>
<BuildConfiguration Include="Debug">
<Key>Cfg_2</Key>
<CfgParent>Base</CfgParent>
</BuildConfiguration>
<BuildConfiguration Include="Base">
<Key>Base</Key>
</BuildConfiguration>
<BuildConfiguration Include="Release">
<Key>Cfg_1</Key>
<CfgParent>Base</CfgParent>
</BuildConfiguration>
</ItemGroup>
<ProjectExtensions>
<Borland.Personality>Delphi.Personality.12</Borland.Personality>
<Borland.ProjectType/>
<BorlandProject>
<Delphi.Personality>
<Source>
<Source Name="MainSource">decoding_encoding.dpr</Source>
</Source>
<Excluded_Packages>
<Excluded_Packages Name="$(BDSBIN)\dcloffice2k200.bpl">Microsoft Office 2000 Sample Automation Server Wrapper Components</Excluded_Packages>
<Excluded_Packages Name="$(BDSBIN)\dclofficexp200.bpl">Microsoft Office XP Sample Automation Server Wrapper Components</Excluded_Packages>
</Excluded_Packages>
</Delphi.Personality>
<Platforms>
<Platform value="OSX32">False</Platform>
<Platform value="Win32">True</Platform>
<Platform value="Win64">False</Platform>
</Platforms>
</BorlandProject>
<ProjectFileVersion>12</ProjectFileVersion>
</ProjectExtensions>
<Import Project="$(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>

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samples/FFMpeg/decoding_encoding/decoding_encoding.res Normal file
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16
samples/FFMpeg/ffmpeg_sample_player/ffmpeg_sample_player.dproj
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@ -34,7 +34,16 @@
<CfgParent>Base</CfgParent>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="('$(Platform)'=='Win32' and '$(Cfg_2)'=='true') or '$(Cfg_2_Win32)'!=''">
<Cfg_2_Win32>true</Cfg_2_Win32>
<CfgParent>Cfg_2</CfgParent>
<Cfg_2>true</Cfg_2>
<Base>true</Base>
</PropertyGroup>
<PropertyGroup Condition="'$(Base)'!=''">
<DCC_ExeOutput>..\..\..\bin\$(Platform)</DCC_ExeOutput>
<DCC_DcuOutput>.\$(Platform)\$(Config)</DCC_DcuOutput>
<Manifest_File>None</Manifest_File>
<DCC_E>false</DCC_E>
<VerInfo_Locale>1049</VerInfo_Locale>
<DCC_Namespace>System;Xml;Data;Datasnap;Web;Soap;$(DCC_Namespace)</DCC_Namespace>
@ -58,9 +67,6 @@
<DCC_SymbolReferenceInfo>0</DCC_SymbolReferenceInfo>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_1_Win32)'!=''">
<DCC_DcuOutput>.\$(Platform)\$(Config)</DCC_DcuOutput>
<DCC_ExeOutput>..\..\..\bin\$(Platform)</DCC_ExeOutput>
<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>1033</VerInfo_Locale>
</PropertyGroup>
@ -69,6 +75,10 @@
<DCC_Define>DEBUG;$(DCC_Define)</DCC_Define>
<DCC_Optimize>false</DCC_Optimize>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_2_Win32)'!=''">
<VerInfo_Locale>1033</VerInfo_Locale>
<VerInfo_Keys>CompanyName=;FileDescription=;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductName=;ProductVersion=1.0.0.0;Comments=</VerInfo_Keys>
</PropertyGroup>
<ItemGroup>
<DelphiCompile Include="$(MainSource)">
<MainSource>MainSource</MainSource>

2
source/component/Delphi20/OpenCV200.dproj
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@ -230,7 +230,7 @@
<DCC_UnitSearchPath>..;$(DCC_UnitSearchPath)</DCC_UnitSearchPath>
<VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
<VerInfo_Locale>1033</VerInfo_Locale>
<VerInfo_Keys>CompanyName=;FileDescription=OpenCV Component;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductName=OpenCV Component;ProductVersion=1.0.0.0;Comments=;LastCompiledTime=18.07.2014 0:09:25</VerInfo_Keys>
<VerInfo_Keys>CompanyName=;FileDescription=OpenCV Component;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductName=OpenCV Component;ProductVersion=1.0.0.0;Comments=;LastCompiledTime=22.07.2014 15:39:50</VerInfo_Keys>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_2_Win64)'!=''">
<VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>

2
source/component/Delphi20/dclOpenCV200.dproj
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@ -138,7 +138,7 @@
<PropertyGroup Condition="'$(Cfg_2_Win32)'!=''">
<VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
<VerInfo_Locale>1033</VerInfo_Locale>
<VerInfo_Keys>CompanyName=;FileDescription=OpenCV Component;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductName=OpenCV Component;ProductVersion=1.0.0.0;Comments=;LastCompiledTime=18.07.2014 22:36:06</VerInfo_Keys>
<VerInfo_Keys>CompanyName=;FileDescription=OpenCV Component;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductName=OpenCV Component;ProductVersion=1.0.0.0;Comments=;LastCompiledTime=22.07.2014 15:39:57</VerInfo_Keys>
</PropertyGroup>
<PropertyGroup Condition="'$(Cfg_2_Win64)'!=''">
<DCC_DcuOutput>.\$(Platform)\$(Config)</DCC_DcuOutput>

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source/component/Delphi20/dclOpenCV200.res
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31
source/component/ocv.comp.Source.pas
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@ -164,6 +164,12 @@ type
property OnEndOfFile: TNotifyEvent read FOnEndOfFile Write FOnEndOfFile;
end;
TocvIPProtocol = ( //
ippHTTP, //
ippHTTPS, //
ippRTSP //
); //
TocvIPCamSource = class(TocvCaptureSource)
private
FPort: Word;
@ -171,6 +177,7 @@ type
FIP: string;
FUserName: String;
FURI: string;
FProtocol: TocvIPProtocol;
protected
function GetIPCamTarget: AnsiString;
procedure SetEnabled(Value: Boolean); override;
@ -182,6 +189,7 @@ type
property IP: string read FIP write FIP;
property URI: string read FURI write FURI; { TODO: Need rename }
property Port: Word read FPort write FPort default 554;
property Protocol: TocvIPProtocol read FProtocol write FProtocol default ippRTSP;
end;
TOnNotifyFFMpegPacket = procedure(Sender: TObject; const packet: TAVPacket; const isKeyFrame: Boolean) of object;
@ -289,9 +297,9 @@ Type
end;
Const
CameraResolution: array [TocvResolution] of TCameraResolution = ((cWidth: 160; cHeight: 120), (cWidth: 320; cHeight: 240),
(cWidth: 424; cHeight: 240), (cWidth: 640; cHeight: 360), (cWidth: 800; cHeight: 448), (cWidth: 960; cHeight: 544),
(cWidth: 1280; cHeight: 720));
CameraResolution: array [TocvResolution] of TCameraResolution = ((cWidth: 160; cHeight: 120), (cWidth: 320;
cHeight: 240), (cWidth: 424; cHeight: 240), (cWidth: 640; cHeight: 360), (cWidth: 800; cHeight: 448), (cWidth: 960;
cHeight: 544), (cWidth: 1280; cHeight: 720));
{ TOpenCVCameraThread }
@ -549,11 +557,19 @@ constructor TocvIPCamSource.Create(AOwner: TComponent);
begin
inherited;
FPort := 554;
FProtocol := ippRTSP;
end;
function TocvIPCamSource.GetIPCamTarget: AnsiString;
const
IPProtocolString: array [TocvIPProtocol] of AnsiString = ( //
'http://', //
'https://', //
'rtsp://' //
);
begin
Result := 'rtsp://';
Result := IPProtocolString[FProtocol];
if Length(Trim(UserName)) <> 0 then
Result := Result + AnsiString(Trim(UserName)) + ':' + AnsiString(Trim(Password)) + '@';
Result := Result + AnsiString(IP) + ':' + AnsiString(IntToStr(Port));
@ -839,8 +855,8 @@ begin
Continue;
end;
img_convert_context := sws_getCachedContext(nil, pCodecCtx^.Width, pCodecCtx^.Height, pCodecCtx^.pix_fmt, pCodecCtx^.Width,
pCodecCtx^.Height, AV_PIX_FMT_BGR24, SWS_BILINEAR, nil, nil, nil);
img_convert_context := sws_getCachedContext(nil, pCodecCtx^.Width, pCodecCtx^.Height, pCodecCtx^.pix_fmt,
pCodecCtx^.Width, pCodecCtx^.Height, AV_PIX_FMT_BGR24, SWS_BILINEAR, nil, nil, nil);
if (img_convert_context = nil) then
begin
isReconnect := True;
@ -866,7 +882,8 @@ begin
avcodec_decode_video2(pCodecCtx, frame, frame_finished, @packet);
if (frame_finished <> 0) then
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);
if Assigned(OnNotifyData) then
Synchronize(
procedure

3
source/component/ocv.comp.View.pas
View File

@ -45,7 +45,8 @@ uses
Graphics,
{$ENDIF VER6P}
ocv.comp.Types,
ocv.core.types_c, System.SyncObjs;
ocv.core.types_c,
System.SyncObjs;
type

27
source/ffmpeg/ffm.avformat.pas
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@ -569,7 +569,8 @@ type
* @return the timestamp or AV_NOPTS_VALUE if an error occurred
*)
// int64_t (*read_timestamp)(struct AVFormatContext *s, int stream_index, int64_t *pos, int64_t pos_limit);
read_timestamp: function(s: pAVFormatContext; stream_index: Integer; pos: pint64_t; pos_limit: int64_t): int64_t; cdecl;
read_timestamp: function(s: pAVFormatContext; stream_index: Integer; pos: pint64_t; pos_limit: int64_t)
: int64_t; cdecl;
(*
* Start/resume playing - only meaningful if using a network-based format
* (RTSP).
@ -594,8 +595,10 @@ type
TAVStreamParseType = ( //
AVSTREAM_PARSE_NONE, AVSTREAM_PARSE_FULL, // **< full parsing and repack */
AVSTREAM_PARSE_HEADERS, // **< Only parse headers, do not repack. */
AVSTREAM_PARSE_TIMESTAMPS, // **< full parsing and interpolation of timestamps for frames not starting on a packet boundary */
AVSTREAM_PARSE_FULL_ONCE, // **< full parsing and repack of the first frame only, only implemented for H.264 currently */
AVSTREAM_PARSE_TIMESTAMPS,
// **< full parsing and interpolation of timestamps for frames not starting on a packet boundary */
AVSTREAM_PARSE_FULL_ONCE,
// **< full parsing and repack of the first frame only, only implemented for H.264 currently */
AVSTREAM_PARSE_FULL_RAW = $57415230 // MKTAG(0,'R','A','W')
(* < full parsing and repack with timestamp and position generation by parser for raw
this assumes that each packet in the file contains no demuxer level headers and
@ -613,7 +616,8 @@ type
// int flags:2;
// int size:30; //Yeah, trying to keep the size of this small to reduce memory requirements (it is 24 vs. 32 bytes due to possible 8-byte alignment).
flag_size: int32;
min_distance: Integer; (*< Minimum distance between this and the previous keyframe, used to avoid unneeded searching.*)
min_distance: Integer;
(* < Minimum distance between this and the previous keyframe, used to avoid unneeded searching. *)
end;
(*
* Track should be used during playback by default.
@ -1460,8 +1464,8 @@ function avformat_new_stream(s: pAVFormatContext; const c: pAVCodec): pAVStream;
* failure
*)
// int avformat_alloc_output_context2(AVFormatContext **ctx, AVOutputFormat *oformat, const char *format_name, const char *filename);
function avformat_alloc_output_context2(Var ctx: pAVFormatContext; oformat: pAVOutputFormat; const format_name: pAnsiChar;
const filename: pAnsiChar): Integer; cdecl;
function avformat_alloc_output_context2(Var ctx: pAVFormatContext; oformat: pAVOutputFormat;
const format_name: pAnsiChar; const filename: pAnsiChar): Integer; cdecl;
(*
// * @addtogroup lavf_decoding
// * @{
@ -1550,8 +1554,8 @@ function avformat_alloc_output_context2(Var ctx: pAVFormatContext; oformat: pAVO
*)
// int avformat_open_input(AVFormatContext **ps, const char *filename, AVInputFormat *fmt, AVDictionary **options);
function avformat_open_input(var ps: pAVFormatContext; const filename: pAnsiChar; fmt: pAVInputFormat; options: ppAVDictionary)
: Integer; cdecl;
function avformat_open_input(var ps: pAVFormatContext; const filename: pAnsiChar; fmt: pAVInputFormat;
options: ppAVDictionary): Integer; cdecl;
// attribute_deprecated
// int av_demuxer_open(AVFormatContext *ic);
@ -1641,8 +1645,8 @@ function avformat_find_stream_info(ic: pAVFormatContext; options: ppAVDictionary
// int related_stream,
// AVCodec **decoder_ret,
// int flags);
function av_find_best_stream(ic: pAVFormatContext; _type: TAVMediaType; wanted_stream_nb: Integer; related_stream: Integer;
Var decoder_ret: pAVCodec; flags: Integer): Integer; cdecl;
function av_find_best_stream(ic: pAVFormatContext; _type: TAVMediaType; wanted_stream_nb: Integer;
related_stream: Integer; Var decoder_ret: pAVCodec; flags: Integer): Integer; cdecl;
// #if FF_API_READ_PACKET
(*
@ -1833,7 +1837,7 @@ function avformat_write_header(s: pAVFormatContext; options: ppAVDictionary):Int
// * @return < 0 on error, = 0 if OK, 1 if flushed and there is no more data to flush
*)
// int av_write_frame(AVFormatContext *s, AVPacket *pkt);
//
function av_write_frame(s: pAVFormatContext; pkt: pAVPacket): Integer; cdecl;
(*
// * Write a packet to an output media file ensuring correct interleaving.
// *
@ -2223,5 +2227,6 @@ function avformat_write_header; external avformat_dll;
function av_write_trailer; external avformat_dll;
function avformat_new_stream; external avformat_dll;
function av_interleaved_write_frame; external avformat_dll;
function av_write_frame; external avformat_dll;
end.

234
source/ffmpeg/ffm.channel_layout.pas Normal file
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@ -0,0 +1,234 @@
(*
* 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 channel_layout_dll;
end.

49
source/ffmpeg/ffm.cls.videoencoder.pas
View File

@ -46,6 +46,9 @@ Type
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;
@ -75,6 +78,8 @@ Type
// 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;
@ -312,6 +317,7 @@ begin
// Write packet with frame.
Result := av_interleaved_write_frame(pFormatContext, @pkt) = 0;
// Result := av_write_frame(pFormatContext, @pkt) = 0;
end
else
Result := false;
@ -322,7 +328,6 @@ function TFFMVideoEncoder.AddVideoStream(const pContext: pAVFormatContext; const
Var
pCodecCxt: pAVCodecContext;
begin
pCodecCxt := nil;
Result := nil;
@ -338,7 +343,7 @@ begin
pCodecCxt^.codec_type := AVMEDIA_TYPE_VIDEO;
pCodecCxt^.frame_number := 0;
// Put sample parameters.
pCodecCxt^.bit_rate := 2000000;
pCodecCxt^.bit_rate := fbit_rate; // 2000000;
// Resolution must be a multiple of two.
pCodecCxt^.width := W_VIDEO;
pCodecCxt^.height := H_VIDEO;
@ -346,7 +351,7 @@ begin
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 := 25;
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
@ -418,6 +423,7 @@ begin
nAudioBufferSize := 1024 * 1024 * 4;
audioBuffer := AllocMem(nAudioBufferSize);
nAudioBufferSizeCurrent := 0;
SetVideoParams;
end;
function TFFMVideoEncoder.CreateFFmpegPicture(const pix_fmt: TAVPixelFormat; const nWidth, nHeight: Integer): pAVFrame;
@ -458,6 +464,7 @@ begin
// 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;
@ -469,6 +476,32 @@ begin
end;
end;
function TFFMVideoEncoder.flush_encoder: Integer;
Var
ret, got_output: Integer;
pkt: TAVPacket;
begin
(* 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;
@ -542,8 +575,8 @@ begin
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
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 ");
@ -639,4 +672,10 @@ begin
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.

5
source/ffmpeg/ffm.frame.pas
View File

@ -136,6 +136,9 @@ Type
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.
@ -162,7 +165,7 @@ Type
* @note The linesize may be larger than the size of usable data -- there
* may be extra padding present for performance reasons.
*)
linesize: array [0 .. AV_NUM_DATA_POINTERS - 1] of Integer;
linesize: TLinesizes;
(*
* pointers to the data planes/channels.
*

22
source/ffmpeg/ffm.imgutils.pas
View File

@ -5,7 +5,7 @@ unit ffm.imgutils;
interface
uses
ffm.pixfmt;
ffm.pixfmt, ffm.frame;
(*
* This file is part of ffm.
@ -87,14 +87,16 @@ uses
*)
// 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;
// Type
// TPointers = array [0 .. 3] of pByte;
// pPointers = ^TPointers;
// TLinesizes = array [0 .. 3] of integer;
// pLinesizes = ^TLinesizes;
function av_image_alloc(Var pointers: TPointers; linesizes: TLinesizes; w: integer; h: integer; pix_fmt: TAVPixelFormat;
align: integer): integer; cdecl;
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.
@ -200,5 +202,9 @@ 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.

1
source/ffmpeg/ffm.lib.pas
View File

@ -12,6 +12,7 @@ const
avfilter_dll = 'avfilter-4.dll';
avio_dll = avformat_dll;
samplefmt_dll = avutil_dll;
channel_layout_dll=avutil_dll;
implementation

33
source/ffmpeg/ffm.libavcodec.avcodec.pas
View File

@ -730,7 +730,8 @@ Type
// AV_CODEC_ID_SMPTE_KLV = $4B4C5641, // MKBETAG('K','L','V','A'),
// AV_CODEC_ID_DVD_NAV = $444E4156, // MKBETAG('D','N','A','V'),
AV_CODEC_ID_PROBE = $19000, // < codec_id is not known (like AV_CODEC_ID_NONE) but lavf should attempt to identify it
AV_CODEC_ID_PROBE = $19000,
// < codec_id is not known (like AV_CODEC_ID_NONE) but lavf should attempt to identify it
AV_CODEC_ID_MPEG2TS = $20000, // **< _FAKE_ codec to indicate a raw MPEG-2 TS
// * stream (only used by libavformat) *)
@ -1528,8 +1529,8 @@ Type
// int (*execute)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size);
TExecuteFunc = function(c2: pAVCodecContext; arg: pointer): Integer; cdecl;
TExecute = function(c: pAVCodecContext; ExecuteFunc: TExecuteFunc; arg2: pointer; ret: PInteger; count: Integer; size: Integer)
: Integer; cdecl;
TExecute = function(c: pAVCodecContext; ExecuteFunc: TExecuteFunc; arg2: pointer; ret: PInteger; count: Integer;
size: Integer): Integer; cdecl;
// int (*execute2)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count);
TExecuteFunc2 = function(c2: pAVCodecContext; arg: pointer; jobnr: Integer; threadnr: Integer): Integer; cdecl;
@ -2850,7 +2851,8 @@ Type
* - decoding: Set by libavcodec, user can override.
*)
// int (*execute)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size);
execute: function(c: pAVCodecContext; func: TExecuteFunc; arg2: pointer; Var ret: cint; count: cint; size: cint): cint; cdecl;
execute: function(c: pAVCodecContext; func: TExecuteFunc; arg2: pointer; Var ret: cint; count: cint; size: cint)
: cint; cdecl;
(*
* The codec may call this to execute several independent things.
@ -3955,9 +3957,9 @@ function avcodec_find_decoder(id: TAVCodecID): pAVCodec; cdecl;
* decoding, otherwise the number of bytes consumed from the input
* AVPacket is returned.
*)
// int avcodec_decode_audio4(AVCodecContext *avctx, AVFrame *frame,
// int *got_frame_ptr, const AVPacket *avpkt);
//
// int avcodec_decode_audio4(AVCodecContext *avctx, AVFrame *frame, int *got_frame_ptr, const AVPacket *avpkt);
function avcodec_decode_audio4(avctx: pAVCodecContext; frame: pAVFrame; var got_frame_ptr: Integer;
const avpkt: pAVPacket):Integer; cdecl;
(*
* Decode the video frame of size avpkt->size from avpkt->data into picture.
* Some decoders may support multiple frames in a single AVPacket, such
@ -4195,8 +4197,8 @@ Type
// AVCodecContext *avctx,
// const uint8_t **poutbuf, int *poutbuf_size,
// const uint8_t *buf, int buf_size);
parser_parse: function(s: pAVCodecParserContext; avctx: pAVCodecContext; const poutbuf: ppByte; poutbuf_size: PInteger;
const buf: pByte; buf_size: Integer): Integer; cdecl;
parser_parse: function(s: pAVCodecParserContext; avctx: pAVCodecContext; const poutbuf: ppByte;
poutbuf_size: PInteger; const buf: pByte; buf_size: Integer): Integer; cdecl;
// void (*parser_close)(AVCodecParserContext *s);
parser_close: procedure(s: pAVCodecParserContext); cdecl;
// int (*split)(AVCodecContext *avctx, const uint8_t *buf, int buf_size);
@ -4341,8 +4343,8 @@ function avcodec_find_encoder(id: TAVCodecID): pAVCodec; cdecl;
*)
// int avcodec_encode_audio2(AVCodecContext *avctx, AVPacket *avpkt,
// const AVFrame *frame, int *got_packet_ptr);
function avcodec_encode_audio2(avctx: pAVCodecContext; avpkt: pAVPacket; const frame: pAVFrame; Var got_packet_ptr: Integer)
: Integer; cdecl;
function avcodec_encode_audio2(avctx: pAVCodecContext; avpkt: pAVPacket; const frame: pAVFrame;
Var got_packet_ptr: Integer): Integer; cdecl;
// #if FF_API_OLD_ENCODE_VIDEO
(*
@ -4400,8 +4402,8 @@ function avcodec_encode_audio2(avctx: pAVCodecContext; avpkt: pAVPacket; const f
*)
// int avcodec_encode_video2(AVCodecContext *avctx, AVPacket *avpkt,
// const AVFrame *frame, int *got_packet_ptr);
function avcodec_encode_video2(avctx: pAVCodecContext; avpkt: pAVPacket; const frame: pAVFrame; Var got_packet_ptr: Integer)
: Integer; cdecl;
function avcodec_encode_video2(avctx: pAVCodecContext; avpkt: pAVPacket; const frame: pAVFrame;
Var got_packet_ptr: Integer): Integer; cdecl;
// int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
// const AVSubtitle *sub);
@ -4811,7 +4813,8 @@ function avcodec_fill_audio_frame(frame: pAVFrame; nb_channels: Integer; sample_
// * keep internally, but the caller's reference remains valid.
*)
// void avcodec_flush_buffers(AVCodecContext *avctx);
//
procedure avcodec_flush_buffers(avctx: pAVCodecContext); cdecl;
(*
// * Return codec bits per sample.
// *
@ -5125,5 +5128,7 @@ function avcodec_find_encoder; external avcodec_dll;
function avcodec_encode_video2; external avcodec_dll;
function avcodec_fill_audio_frame; external avcodec_dll;
function avcodec_encode_audio2; external avcodec_dll;
procedure avcodec_flush_buffers; external avcodec_dll;
function avcodec_decode_audio4; external avcodec_dll;
end.

8
source/ffmpeg/ffm.opt.pas
View File

@ -234,7 +234,8 @@ Type
{ } 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_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
@ -674,11 +675,13 @@ const
// * 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;
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);
@ -784,5 +787,6 @@ implementation
uses ffm.lib;
function av_opt_set_bin; external avutil_dll;
function av_opt_set; external avutil_dll;
end.

13
source/ffmpeg/ffm.samplefmt.pas
View File

@ -45,7 +45,8 @@ interface
*)
Type
pAVSampleFormat = ^TAVSampleFormat;
TAVSampleFormat = (AV_SAMPLE_FMT_NONE = -1, //
TAVSampleFormat = ( //
AV_SAMPLE_FMT_NONE = -1, //
AV_SAMPLE_FMT_U8,
/// < unsigned 8 bits
AV_SAMPLE_FMT_S16,
@ -56,7 +57,6 @@ Type
/// < float
AV_SAMPLE_FMT_DBL,
/// < double
AV_SAMPLE_FMT_U8P,
/// < unsigned 8 bits, planar
AV_SAMPLE_FMT_S16P,
@ -67,7 +67,6 @@ Type
/// < float, planar
AV_SAMPLE_FMT_DBLP,
/// < double, planar
AV_SAMPLE_FMT_NB
/// < Number of sample formats. DO NOT USE if linking dynamically
);
@ -77,6 +76,7 @@ Type
* 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
@ -163,8 +163,9 @@ function av_get_bytes_per_sample(sample_fmt: TAVSampleFormat): integer; cdecl;
* @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);
// 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
@ -267,5 +268,7 @@ implementation
uses ffm.lib;
function av_get_bytes_per_sample; external samplefmt_dll;
function av_get_sample_fmt_name; external samplefmt_dll;
function av_samples_get_buffer_size; external samplefmt_dll;
end.