Delphi-OpenCV/samples/LibTest/cvCreateVideoWriter/cv_CreateVideoWriter.dpr
Laex cf19dc0b3b Fixed issues #3
Signed-off-by: Laex <laex@bk.ru>
2013-04-18 10:34:16 +04:00

102 lines
3.4 KiB
ObjectPascal
Raw Blame History

(* /*****************************************************************
// 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.
******************************************************************* *)
// JCL_DEBUG_EXPERT_GENERATEJDBG OFF
// JCL_DEBUG_EXPERT_INSERTJDBG OFF
// JCL_DEBUG_EXPERT_DELETEMAPFILE OFF
program cv_CreateVideoWriter;
{$APPTYPE CONSOLE}
{$R *.res}
uses
System.SysUtils,
uLibName in '..\..\..\include\uLibName.pas',
highgui_c in '..\..\..\include\highgui\highgui_c.pas',
core_c in '..\..\..\include\core\core_c.pas',
Core.types_c in '..\..\..\include\core\Core.types_c.pas',
imgproc.types_c in '..\..\..\include\imgproc\imgproc.types_c.pas',
imgproc_c in '..\..\..\include\imgproc\imgproc_c.pas',
legacy in '..\..\..\include\legacy\legacy.pas',
calib3d in '..\..\..\include\calib3d\calib3d.pas',
imgproc in '..\..\..\include\imgproc\imgproc.pas',
haar in '..\..\..\include\objdetect\haar.pas',
objdetect in '..\..\..\include\objdetect\objdetect.pas',
tracking in '..\..\..\include\video\tracking.pas',
Core in '..\..\..\include\core\core.pas';
Const
filename = 'Result\capture.avi';
Var
capture: pCvCapture;
fps: Double;
size: TCvSize;
writer: pCvVideoWriter;
frame: PIplImage;
c: Integer;
begin
try
cvNamedWindow('capture');
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
capture := cvCreateCameraCapture(CV_CAP_ANY);
if not Assigned(capture) then
Halt;
// <20>cc<63><63><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
fps := cvGetCaptureProperty(capture, CV_CAP_PROP_FPS);
if fps = 0 then
fps := 15;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
size := cvSize(Trunc(cvGetCaptureProperty(capture, CV_CAP_PROP_FRAME_WIDTH)),
Trunc(cvGetCaptureProperty(capture, CV_CAP_PROP_FRAME_HEIGHT)));
if (size.width = 0) or (size.height = 0) then
size := cvSize(640, 480);
writer := cvCreateVideoWriter(filename, CV_FOURCC('X', 'V', 'I', 'D'), fps, size);
if not Assigned(writer) then
Halt;
frame := nil;
while true do
begin
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
frame := cvQueryFrame(capture);
if not Assigned(frame) then
Break;
// c<><63><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD>
cvWriteFrame(writer, frame);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cvShowImage('capture', frame);
c := cvWaitKey(1);
if (c = 27) then
Break; // <20>c<EFBFBD><63> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ESC - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
end;
// <20>c<EFBFBD><63><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>c<EFBFBD><63>c<EFBFBD>
cvReleaseVideoWriter(writer);
cvReleaseCapture(capture);
cvDestroyWindow('capture');
except
on E: Exception do
Writeln(E.ClassName, ': ', E.Message);
end;
end.