void CamField::Display(int width, int height)
{
if(_gCapture) {
boost::unique_lock<boost::mutex> imageLock(imageMutex);
_ComputePixPerDeg(width, height, 1);
imageLock.unlock();
} else {
_ComputePixPerDeg(width, height, 0);
glColor3f(0.2, 0.2, 0.2);
}
}
uint8_t* WpiClient::getCurrentImage() {
std::lock_guard<std::mutex> imageLock(m_imageMutex);
std::lock_guard<std::mutex> extLock(m_extMutex);
// If buffer is wrong size, reallocate it
if (m_imgWidth != m_extWidth || m_imgHeight != m_extHeight) {
m_extWidth = m_imgWidth;
m_extHeight = m_imgHeight;
}
m_extBuf = m_pxlBuf;
return &m_extBuf[0];
}
void _StartCapture(CvCapture **capture, IplImage **image)
{
IplImage *tempImage;
try {
while(1) {
boost::unique_lock<boost::mutex> captureLock(captureMutex);
if(*capture) tempImage = cvQueryFrame(*capture);
else {
cvReleaseImage(&tempImage);
return;
}
captureLock.unlock();
cvCvtColor(tempImage, tempImage, CV_BGR2RGB);
boost::unique_lock<boost::mutex> imageLock(imageMutex);
cvReleaseImage(image);
*image = cvCloneImage(tempImage);
ready = 1;
imageLock.unlock();
}
} catch (const std::exception &e) {
std::cout << e.what() << std::endl;
}
}