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Merge pull request #1761 from bhuroc:qtkit-video-file-2.4

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Roman Donchenko 2013-11-20 13:36:37 +04:00 committed by OpenCV Buildbot
commit b197ec9413
1 changed files with 9 additions and 1 deletions
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10
modules/highgui/src/cap_qtkit.mm
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@ -179,6 +179,7 @@ private:
int changedPos; int changedPos;
int started; int started;
QTTime endOfMovie;
}; };
@ -673,6 +674,8 @@ CvCaptureFile::CvCaptureFile(const char* filename) {
return; return;
} }
[mCaptureSession gotoEnd];
endOfMovie = [mCaptureSession currentTime];
[mCaptureSession gotoBeginning]; [mCaptureSession gotoBeginning];
@ -709,6 +712,11 @@ int CvCaptureFile::didStart() {
bool CvCaptureFile::grabFrame() { bool CvCaptureFile::grabFrame() {
NSAutoreleasePool* localpool = [[NSAutoreleasePool alloc] init]; NSAutoreleasePool* localpool = [[NSAutoreleasePool alloc] init];
double t1 = getProperty(CV_CAP_PROP_POS_MSEC); double t1 = getProperty(CV_CAP_PROP_POS_MSEC);
QTTime curTime;
curTime = [mCaptureSession currentTime];
bool isEnd=(QTTimeCompare(curTime,endOfMovie) == NSOrderedSame);
[mCaptureSession stepForward]; [mCaptureSession stepForward];
double t2 = getProperty(CV_CAP_PROP_POS_MSEC); double t2 = getProperty(CV_CAP_PROP_POS_MSEC);
if (t2>t1 && !changedPos) { if (t2>t1 && !changedPos) {
@ -718,7 +726,7 @@ bool CvCaptureFile::grabFrame() {
} }
changedPos = 0; changedPos = 0;
[localpool drain]; [localpool drain];
return 1; return !isEnd;
} }