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Accelerating the completion of video bypass (bug #1893)

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This commit is contained in:
Alexander Reshetnikov 2012-05-05 17:28:05 +00:00
parent 3ec43a11ed
commit 57e26bde9f
1 changed files with 3 additions and 0 deletions
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3
modules/highgui/src/cap.cpp
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@ -494,10 +494,13 @@ bool VideoCapture::retrieve(Mat& image, int channel)
bool VideoCapture::read(Mat& image) bool VideoCapture::read(Mat& image)
{ {
if (get(CV_CAP_PROP_POS_FRAMES) < get(CV_CAP_PROP_FRAME_COUNT))
if(!grab()) if(!grab())
image.release(); image.release();
else else
retrieve(image); retrieve(image);
else
image.release();
return !image.empty(); return !image.empty();
} }