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Only lock when needed.

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Kees-V
2014-10-22 14:08:55 +02:00
parent 177f5720ef
commit 1c20855f29
1 changed files with 3 additions and 3 deletions
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4
src/video/videobuffer.cpp
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@@ -154,7 +154,6 @@ void getALPRImages(cv::VideoCapture cap, VideoDispatcher* dispatcher)
while (dispatcher->active)
{
dispatcher->mMutex.lock();
bool hasImage = false;
try
{
@@ -162,14 +161,15 @@ void getALPRImages(cv::VideoCapture cap, VideoDispatcher* dispatcher)
// Double check the image to make sure it's valid.
if (!frame.data || frame.empty())
{
dispatcher->mMutex.unlock();
std::stringstream ss;
ss << "Stream " << dispatcher->mjpeg_url << " received invalid frame";
dispatcher->log_error(ss.str());
return;
}
dispatcher->mMutex.lock();
dispatcher->setLatestFrame(&frame);
dispatcher->mMutex.unlock();
}
catch (const std::runtime_error& error)
{