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v4l2object: reuse caps framerate if not overwritten by v4l2 device

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Enables duration setting in v4l2src.

https://bugzilla.gnome.org/show_bug.cgi?id=740403
This commit is contained in:
Peter Seiderer 2014-11-14 12:59:31 +01:00 committed by Nicolas Dufresne
parent 60e2d0c84f
commit c88e042458
1 changed files with 13 additions and 5 deletions
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18
sys/v4l2/gstv4l2object.c
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@ -2801,12 +2801,20 @@ gst_v4l2_object_set_format (GstV4l2Object * v4l2object, GstCaps * caps)
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;
if (streamparm.parm.capture.timeperframe.numerator > 0 &&
streamparm.parm.capture.timeperframe.denominator > 0) {
/* 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_INFO_OBJECT (v4l2object->element, "Set framerate to %u/%u", fps_n,
fps_d);
} else {
/* fix v4l2 capture driver to provide framerate values */
GST_WARNING_OBJECT (v4l2object->element,
"Reuse caps framerate %u/%u - fix v4l2 capture driver",
fps_n, fps_d);
}
GST_VIDEO_INFO_FPS_N (&info) = fps_n;
GST_VIDEO_INFO_FPS_D (&info) = fps_d;