Delphi-OpenCV/samples/LibTest/cvCreateVideoWriter/cv_CreateVideoWriter.dpr
Laex 06de9955d7 Many changes
[*] Repository rebuilt
[*] CameraCalibrate - now working
[+] Improved cvSave
[+] Implemented macro CV_MAT_ELEM
[+] CvOpenFileStorage
and more ...

Signed-off-by: Laex <laex@bk.ru>
2013-04-02 02:17:25 +04:00

72 lines
1.9 KiB
ObjectPascal

// 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,
Core.types_c in '..\..\..\include\ñore\Core.types_c.pas',
core_c in '..\..\..\include\ñore\core_c.pas',
highgui_c in '..\..\..\include\highgui\highgui_c.pas',
uLibName in '..\..\..\include\uLibName.pas',
types_c in '..\..\..\include\ñore\types_c.pas';
Const
filename = 'Result\capture.avi';
Var
capture: pCvCapture;
fps: Double;
size: TCvSize;
writer: pCvVideoWriter;
frame: PIplImage;
c: Integer;
begin
try
cvNamedWindow('capture');
// ïîëó÷àåì ëþáóþ ïîäêëþ÷¸ííóþ êàìåðó
capture := cvCreateCameraCapture(CV_CAP_ANY);
if not Assigned(capture) then
Halt;
// ÷àñòîòà êàäðîâ
fps := cvGetCaptureProperty(capture, CV_CAP_PROP_FPS);
if fps = 0 then
fps := 15;
// ðàçìåð êàðòèíêè
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
// ïîëó÷àåì êàäð
frame := cvQueryFrame(capture);
if not Assigned(frame) then
Break;
// ñîõðàíÿåì â ôàéë
cvWriteFrame(writer, frame);
// ïîêàçûâàåì
cvShowImage('capture', frame);
c := cvWaitKey(1);
if (c = 27) then
Break; // åñëè íàæàòà ESC - âûõîäèì
end;
// îñâîáîæäàåì ðåñóðñû
cvReleaseVideoWriter(writer);
cvReleaseCapture(capture);
cvDestroyWindow('capture');
except
on E: Exception do
Writeln(E.ClassName, ': ', E.Message);
end;
end.