void imageCollectionThread(void* arg)
{
VideoDispatcher* dispatcher = (VideoDispatcher*) arg;
while (dispatcher->active)
{
try
{
cv::VideoCapture cap=cv::VideoCapture();
cap.open(dispatcher->mjpeg_url);
if (cap.isOpened())
{
getALPRImages(cap, dispatcher);
}
else
{
std::stringstream ss;
ss << "Stream " << dispatcher->mjpeg_url << " failed to open.";
dispatcher->log_error(ss.str());
}
}
catch (const std::runtime_error& error)
{
// Error occured while trying to gather image. Retry, don't exit.
std::stringstream ss;
ss << "VideoBuffer exception: " << error.what();
dispatcher->log_error( ss.str() );
}
catch (cv::Exception e)
{
// OpenCV Exception occured while trying to gather image. Retry, don't exit.
std::stringstream ss;
ss << "VideoBuffer OpenCV exception: " << e.what();
dispatcher->log_error( ss.str() );
}
// Delay 1 second
usleep(1000000);
}
}
void imageCollectionThread(void* arg)
{
VideoDispatcher* dispatcher = (VideoDispatcher*) arg;
while (dispatcher->active)
{
try
{
cv::VideoCapture cap=cv::VideoCapture();
dispatcher->log_info("Video stream connecting...");
// Check if it's a webcam, if so, pass the device ID
std::string video_prefix = "/dev/video";
if (startsWith(dispatcher->mjpeg_url, video_prefix))
{
std::string device_number_str = dispatcher->mjpeg_url.substr(video_prefix.length());
dispatcher->log_info("Opening webcam video device " + device_number_str);
int webcam_number = atoi(device_number_str.c_str());
cap.open(webcam_number);
}
else if (dispatcher->mjpeg_url == "webcam")
{
cap.open(0);
}
else
{
cap.open(dispatcher->mjpeg_url);
}
if (cap.isOpened())
{
dispatcher->log_info("Video stream connected");
getALPRImages(cap, dispatcher);
}
else
{
std::stringstream ss;
ss << "Stream " << dispatcher->mjpeg_url << " failed to open.";
dispatcher->log_error(ss.str());
}
}
catch (const std::runtime_error& error)
{
// Error occured while trying to gather image. Retry, don't exit.
std::stringstream ss;
ss << "VideoBuffer exception: " << error.what();
dispatcher->log_error( ss.str() );
}
catch (cv::Exception e)
{
// OpenCV Exception occured while trying to gather image. Retry, don't exit.
std::stringstream ss;
ss << "VideoBuffer OpenCV exception: " << e.what();
dispatcher->log_error( ss.str() );
}
// Delay 1 second
sleep_ms(1000);
}
}
