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Moved frame number counter to inside mutex

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Matt Hill
2014-07-03 10:48:38 -04:00
parent ec6a9555eb
commit 584aabf635
1 changed files with 3 additions and 2 deletions
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5
src/videobuffer.h
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@@ -25,11 +25,11 @@ class VideoDispatcher
int getLatestFrame(cv::Mat* frame) int getLatestFrame(cv::Mat* frame)
{ {
tthread::lock_guard<tthread::mutex> guard(mMutex);
if (latestFrameNumber == lastFrameRead) if (latestFrameNumber == lastFrameRead)
return -1; return -1;
tthread::lock_guard<tthread::mutex> guard(mMutex);
frame->create(latestFrame->size(), latestFrame->type()); frame->create(latestFrame->size(), latestFrame->type());
latestFrame->copyTo(*frame); latestFrame->copyTo(*frame);
@@ -40,6 +40,7 @@ class VideoDispatcher
void setLatestFrame(cv::Mat* frame) void setLatestFrame(cv::Mat* frame)
{ {
tthread::lock_guard<tthread::mutex> guard(mMutex);
this->latestFrame = frame; this->latestFrame = frame;
this->latestFrameNumber++; this->latestFrameNumber++;