Added setting feature of FPS in cap_libv4l

This commit is contained in:
Luis Díaz Más 2013-05-01 01:07:03 +02:00
parent 48a8aefd6b
commit d13d5c0c12

View File

@ -1665,6 +1665,17 @@ static int icvSetPropertyCAM_V4L(CvCaptureCAM_V4L* capture, int property_id, dou
width = height = 0;
}
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:
retval = icvSetControl(capture, property_id, value);
}