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Merge pull request #862 from piponazo:v4lFPS

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Vadim Pisarevsky 2013-05-14 16:00:28 +04:00 committed by OpenCV Buildbot
commit 2a646f7626
1 changed files with 11 additions and 0 deletions
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11
modules/highgui/src/cap_libv4l.cpp
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@ -1665,6 +1665,17 @@ static int icvSetPropertyCAM_V4L(CvCaptureCAM_V4L* capture, int property_id, dou
width = height = 0; width = height = 0;
} }
break; break;
case CV_CAP_PROP_FPS:
struct v4l2_streamparm setfps;
memset (&setfps, 0, sizeof(struct v4l2_streamparm));
setfps.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
setfps.parm.capture.timeperframe.numerator = 1;
setfps.parm.capture.timeperframe.denominator = value;
if (xioctl (capture->deviceHandle, VIDIOC_S_PARM, &setfps) < 0){
fprintf(stderr, "HIGHGUI ERROR: V4L: Unable to set camera FPS\n");
retval=0;
}
break;
default: default:
retval = icvSetControl(capture, property_id, value); retval = icvSetControl(capture, property_id, value);
} }