Delphi-OpenCV/2.4.3/samples/VideoWriter/VideoWriter.dpr

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ObjectPascal
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program VideoWriter;
{$APPTYPE CONSOLE}
{$R *.res}
uses
System.SysUtils,
Core.types_c in '..\..\include\<5C>ore\Core.types_c.pas',
core_c in '..\..\include\<5C>ore\core_c.pas',
highgui_c in '..\..\include\highgui\highgui_c.pas';
Const
filename = '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><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// double fps = cvGetCaptureProperty (capture, CV_CAP_PROP_FPS);
fps := 15;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// CvSize size = cvSize( (int)cvGetCaptureProperty( capture, CV_CAP_PROP_FRAME_WIDTH), (int)cvGetCaptureProperty( capture, CV_CAP_PROP_FRAME_HEIGHT));
size := CvSize(640, 480);
writer := cvCreateVideoWriter(filename, CV_FOURCC('X', 'V', 'I', 'D'), fps, size, 0);
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;
// <20><><EFBFBD><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(0);
if (c = 27) then
Break; // <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ESC - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
end;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cvReleaseCapture(capture);
cvReleaseVideoWriter(writer);
cvDestroyWindow('capture');
except
on E: Exception do
Writeln(E.ClassName, ': ', E.Message);
end;
end.