Merge branch 'master' of https://github.com/Kees-V/openalpr into Kees-V-master

This commit is contained in:
Matt Hill
2014-10-26 20:26:29 -04:00

View File

@@ -149,8 +149,11 @@ void imageCollectionThread(void* arg)
// it returns so that the video capture can be recreated.
void getALPRImages(cv::VideoCapture cap, VideoDispatcher* dispatcher)
{
cv::Mat frame;
cv::Mat frame1;
cv::Mat frame2;
cv::Mat* receiveframe;
bool receiveframeisframe1 = true;
while (dispatcher->active)
{
while (dispatcher->active)
@@ -159,9 +162,11 @@ void getALPRImages(cv::VideoCapture cap, VideoDispatcher* dispatcher)
bool hasImage = false;
try
{
hasImage = cap.read(frame);
// Double check the image to make sure it's valid.
if (!frame.data || frame.empty())
if (receiveframeisframe1) receiveframe = &frame1;
else receiveframe = &frame2;
hasImage = cap.read(*receiveframe);
// Double check the image to make sure it's valid.
if (!(*receiveframe).data || (*receiveframe).empty())
{
std::stringstream ss;
ss << "Stream " << dispatcher->mjpeg_url << " received invalid frame";
@@ -170,8 +175,9 @@ void getALPRImages(cv::VideoCapture cap, VideoDispatcher* dispatcher)
}
dispatcher->mMutex.lock();
dispatcher->setLatestFrame(&frame);
dispatcher->setLatestFrame(receiveframe);
dispatcher->mMutex.unlock();
receiveframeisframe1 = !receiveframeisframe1;
}
catch (const std::runtime_error& error)
{