mirror of
https://github.com/Laex/Delphi-OpenCV.git
synced 2024-11-16 16:25:53 +01:00
92 lines
2.7 KiB
ObjectPascal
92 lines
2.7 KiB
ObjectPascal
// *****************************************************************
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// Delphi-OpenCV Demo
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// Copyright (C) 2013 Project Delphi-OpenCV
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// ****************************************************************
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// Contributor:
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// Laentir Valetov
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// email:laex@bk.ru
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// ****************************************************************
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// You may retrieve the latest version of this file at the GitHub,
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// located at git://github.com/Laex/Delphi-OpenCV.git
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// ****************************************************************
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// The contents of this file are used with permission, subject to
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// the Mozilla Public License Version 1.1 (the "License"); you may
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// not use this file except in compliance with the License. You may
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// obtain a copy of the License at
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// http://www.mozilla.org/MPL/MPL-1_1Final.html
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//
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// Software distributed under the License is distributed on an
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// "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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// implied. See the License for the specific language governing
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// rights and limitations under the License.
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// *******************************************************************
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program cv_CreateVideoWriter;
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{$APPTYPE CONSOLE}
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{$R *.res}
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uses
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System.SysUtils,
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ocv.highgui_c,
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ocv.core_c,
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ocv.core.types_c,
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ocv.imgproc_c,
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uResourcePaths;
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const
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filename = cResourceResult + 'capture.avi';
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var
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capture: pCvCapture;
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fps: Double;
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size: TCvSize;
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writer: pCvVideoWriter;
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frame: PIplImage;
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c: Integer;
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begin
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try
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cvNamedWindow('capture');
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// ïîëó÷àåì ëþáóþ ïîäêëþ÷¸ííóþ êàìåðó
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capture := cvCreateCameraCapture(CV_CAP_ANY);
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if not Assigned(capture) then
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Halt;
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// ÷ccòîòà êàäðîâ
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fps := cvGetCaptureProperty(capture, CV_CAP_PROP_FPS);
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if fps = 0 then
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fps := 15;
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// ðàçìåð êàðòèíêè
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size := cvSize(Trunc(cvGetCaptureProperty(capture, CV_CAP_PROP_FRAME_WIDTH)),
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Trunc(cvGetCaptureProperty(capture, CV_CAP_PROP_FRAME_HEIGHT)));
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if (size.width = 0) or (size.height = 0) then
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size := cvSize(640, 480);
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writer := cvCreateVideoWriter(filename, CV_FOURCC('X', 'V', 'I', 'D'), fps, size);
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if not Assigned(writer) then
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Halt;
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frame := nil;
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while true do
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begin
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// ïîëó÷àåì êàäð
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frame := cvQueryFrame(capture);
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if not Assigned(frame) then
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Break;
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// cîõðàíÿåì â ôàéë
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cvWriteFrame(writer, frame);
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// ïîêàçûâàåì
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cvShowImage('capture', frame);
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c := cvWaitKey(1);
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if (c = 27) then
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Break; // åcëè íàæàòà ESC - âûõîäèì
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end;
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// îcâîáîæäàåì ðåcóðcû
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cvReleaseVideoWriter(writer);
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cvReleaseCapture(capture);
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cvDestroyWindow('capture');
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except
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on E: Exception do
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Writeln(E.ClassName, ': ', E.Message);
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end;
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end.
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