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Avoid unecessary copying of video frames

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And release some more data when possible
This commit is contained in:
tux3 2015-05-10 00:35:07 +02:00
parent 67e09de085
commit 8fed00cf55
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GPG Key ID: 7E086DD661263264
1 changed files with 3 additions and 1 deletions
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4
src/video/cameraworker.cpp
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@ -173,6 +173,8 @@ void CameraWorker::unsubscribe()
if (--refCount <= 0) if (--refCount <= 0)
{ {
cam.release(); cam.release();
frame = cv::Mat3b();
queue.clear();
refCount = 0; refCount = 0;
} }
} }
@ -201,7 +203,7 @@ void CameraWorker::doWork()
return; return;
} }
QByteArray frameData(reinterpret_cast<char*>(frame.data), frame.total() * frame.channels()); QByteArray frameData = QByteArray::fromRawData(reinterpret_cast<char*>(frame.data), frame.total() * frame.channels());
emit newFrameAvailable(VideoFrame{frameData, QSize(frame.cols, frame.rows), VideoFrame::BGR}); emit newFrameAvailable(VideoFrame{frameData, QSize(frame.cols, frame.rows), VideoFrame::BGR});
} }