OpenCV-Capture-OSX-FrameCount.patch

patch to add frame count to OSX QTKit backend - fritzt -, 2011-10-11 11:36 am

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modules/highgui/src/cap_qtkit.mm (revision 1229)
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		case CV_CAP_PROP_FPS:
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			//etval = currentFPS;
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			break;
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		case CV_CAP_PROP_FRAME_COUNT:
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			{
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			NSArray *videoTracks = [mCaptureSession tracksOfMediaType:QTMediaTypeVideo];
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			if ([videoTracks count] > 0) {
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				QTMedia *media = [[videoTracks objectAtIndex:0] media];
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				retval = [[media attributeForKey:QTMediaSampleCountAttribute] longValue];
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			} else {
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				retval = 0;
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			}
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			}
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			break;
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		case CV_CAP_PROP_FOURCC:
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		default:
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			retval = false;