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Improve FPS on black and white Ximea cameras

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This commit is contained in:
Andrew Senin 2013-07-09 00:33:39 +04:00
parent 1a2458885b
commit aa2ca3aa8f
1 changed files with 39 additions and 16 deletions
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55
modules/highgui/src/cap_ximea.cpp
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@ -52,6 +52,8 @@ void CvCaptureCAM_XIMEA::init()
{
xiGetNumberDevices( &numDevices);
hmv = NULL;
frame = NULL;
timeout = 0;
memset(&image, 0, sizeof(XI_IMG));
}
@ -60,6 +62,8 @@ void CvCaptureCAM_XIMEA::init()
// Initialize camera input
bool CvCaptureCAM_XIMEA::open( int wIndex )
{
#define HandleXiResult(res) if (res!=XI_OK) goto error;
int mvret = XI_OK;
if(numDevices == 0)
@ -73,26 +77,42 @@ bool CvCaptureCAM_XIMEA::open( int wIndex )
// always use auto exposure/gain
mvret = xiSetParamInt( hmv, XI_PRM_AEAG, 1);
if(mvret != XI_OK) goto error;
// always use auto white ballance
mvret = xiSetParamInt( hmv, XI_PRM_AUTO_WB, 1);
if(mvret != XI_OK) goto error;
// default image format RGB24
mvret = xiSetParamInt( hmv, XI_PRM_IMAGE_DATA_FORMAT, XI_RGB24);
if(mvret != XI_OK) goto error;
HandleXiResult(mvret);
int width = 0;
mvret = xiGetParamInt( hmv, XI_PRM_WIDTH, &width);
if(mvret != XI_OK) goto error;
HandleXiResult(mvret);
int height = 0;
mvret = xiGetParamInt( hmv, XI_PRM_HEIGHT, &height);
if(mvret != XI_OK) goto error;
HandleXiResult(mvret);
// allocate frame buffer for RGB24 image
frame = cvCreateImage(cvSize( width, height), IPL_DEPTH_8U, 3);
int isColor = 0;
mvret = xiGetParamInt(hmv, XI_PRM_IMAGE_IS_COLOR, &isColor);
HandleXiResult(mvret);
if(isColor) // for color cameras
{
// default image format RGB24
mvret = xiSetParamInt( hmv, XI_PRM_IMAGE_DATA_FORMAT, XI_RGB24);
HandleXiResult(mvret);
// always use auto white ballance for color cameras
mvret = xiSetParamInt( hmv, XI_PRM_AUTO_WB, 1);
HandleXiResult(mvret);
// allocate frame buffer for RGB24 image
frame = cvCreateImage(cvSize( width, height), IPL_DEPTH_8U, 3);
}
else // for mono cameras
{
// default image format MONO8
mvret = xiSetParamInt( hmv, XI_PRM_IMAGE_DATA_FORMAT, XI_MONO8);
HandleXiResult(mvret);
// allocate frame buffer for MONO8 image
frame = cvCreateImage(cvSize( width, height), IPL_DEPTH_8U, 1);
}
//default capture timeout 10s
timeout = 10000;
@ -118,9 +138,12 @@ void CvCaptureCAM_XIMEA::close()
{
if(frame)
cvReleaseImage(&frame);
xiStopAcquisition(hmv);
xiCloseDevice(hmv);
if(hmv)
{
xiStopAcquisition(hmv);
xiCloseDevice(hmv);
}
hmv = NULL;
}