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v4l2src: Check if caps have changed after try_fmt

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try_fmt will update the caps colorimetry and interlace-mode. Before this
call, those field are missing. The caps equality check was always
failing when a spurious reconfigure event was received.
This commit is contained in:
Nicolas Dufresne 2017-09-06 11:25:53 -04:00
parent d191584531
commit 05a5ab0e55
1 changed files with 4 additions and 4 deletions
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8
sys/v4l2/gstv4l2src.c
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@ -412,10 +412,6 @@ gst_v4l2src_fixate (GstBaseSrc * basesrc, GstCaps * caps, GstStructure * pref_s)
fcaps = gst_caps_copy_nth (caps, i);
/* make sure the caps changed before doing anything */
if (gst_v4l2_object_caps_equal (obj, fcaps))
break;
if (GST_V4L2_IS_ACTIVE (obj)) {
/* Just check if the format is acceptable, once we know
* no buffers should be outstanding we try S_FMT.
@ -424,6 +420,10 @@ gst_v4l2src_fixate (GstBaseSrc * basesrc, GstCaps * caps, GstStructure * pref_s)
* should indirectly reclaim buffers, after that we can
* set the format and then configure our pool */
if (gst_v4l2_object_try_format (obj, fcaps, &error)) {
/* make sure the caps changed before doing anything */
if (gst_v4l2_object_caps_equal (obj, fcaps))
break;
v4l2src->renegotiation_adjust = v4l2src->offset + 1;
v4l2src->pending_set_fmt = TRUE;
break;