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Merge branch 'master' into 0.11

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Conflicts:
	sys/v4l2/v4l2src_calls.c
This commit is contained in:
Wim Taymans 2011-08-29 13:43:59 +02:00
commit 5b55cf057b
1 changed files with 31 additions and 30 deletions
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61
sys/v4l2/gstv4l2object.c
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@ -2291,37 +2291,38 @@ gst_v4l2_object_set_format (GstV4l2Object * v4l2object, GstCaps * caps)
streamparm.parm.capture.timeperframe.denominator, streamparm.parm.capture.timeperframe.denominator,
streamparm.parm.capture.timeperframe.numerator); streamparm.parm.capture.timeperframe.numerator);
/* Note: V4L2 provides the frame interval, we have the frame rate */ /* We used to skip frame rate setup if the camera was already setup
if (!fractions_are_equal (streamparm.parm.capture.timeperframe.numerator, * with the requested frame rate. This breaks some cameras though,
streamparm.parm.capture.timeperframe.denominator, fps_d, fps_n)) { * causing them to not output data (several models of Thinkpad cameras
GST_LOG_OBJECT (v4l2object->element, "Setting framerate to %u/%u", fps_n, * have this problem at least).
fps_d); * So, don't skip. */
/* We want to change the frame rate, so check whether we can. Some cheap USB GST_LOG_OBJECT (v4l2object->element, "Setting framerate to %u/%u", fps_n,
* cameras don't have the capability */ fps_d);
if ((streamparm.parm.capture.capability & V4L2_CAP_TIMEPERFRAME) == 0) { /* We want to change the frame rate, so check whether we can. Some cheap USB
GST_DEBUG_OBJECT (v4l2object->element, * cameras don't have the capability */
"Not setting framerate (not supported)"); if ((streamparm.parm.capture.capability & V4L2_CAP_TIMEPERFRAME) == 0) {
goto done; GST_DEBUG_OBJECT (v4l2object->element,
} "Not setting framerate (not supported)");
goto done;
/* Note: V4L2 wants the frame interval, we have the frame rate */
streamparm.parm.capture.timeperframe.numerator = fps_d;
streamparm.parm.capture.timeperframe.denominator = fps_n;
/* some cheap USB cam's won't accept any change */
if (v4l2_ioctl (fd, VIDIOC_S_PARM, &streamparm) < 0)
goto set_parm_failed;
/* get new values */
fps_d = streamparm.parm.capture.timeperframe.numerator;
fps_n = streamparm.parm.capture.timeperframe.denominator;
GST_INFO_OBJECT (v4l2object->element, "Set framerate to %u/%u", fps_n,
fps_d);
GST_VIDEO_INFO_FPS_N (&info) = fps_n;
GST_VIDEO_INFO_FPS_D (&info) = fps_d;
} }
/* Note: V4L2 wants the frame interval, we have the frame rate */
streamparm.parm.capture.timeperframe.numerator = fps_d;
streamparm.parm.capture.timeperframe.denominator = fps_n;
/* some cheap USB cam's won't accept any change */
if (v4l2_ioctl (fd, VIDIOC_S_PARM, &streamparm) < 0)
goto set_parm_failed;
/* get new values */
fps_d = streamparm.parm.capture.timeperframe.numerator;
fps_n = streamparm.parm.capture.timeperframe.denominator;
GST_INFO_OBJECT (v4l2object->element, "Set framerate to %u/%u", fps_n,
fps_d);
GST_VIDEO_INFO_FPS_N (&info) = fps_n;
GST_VIDEO_INFO_FPS_D (&info) = fps_d;
} }
done: done: