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basetextoverlay: schedule reconfigure on source pad when negotiation fails

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The source pad might be flushing while negotiating, resulting in
set_caps or the ALLOCATION query failing. In this case set the
reconfigure flag on the source pad so that negotiation is retried on the
next buffer.
This commit is contained in:
Arnaud Vrac 2014-09-04 15:06:31 +02:00 committed by Sebastian Dröge
parent ef5823cc9b
commit 76ce112994
1 changed files with 8 additions and 4 deletions
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12
ext/pango/gstbasetextoverlay.c
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@ -780,19 +780,23 @@ gst_base_text_overlay_negotiate (GstBaseTextOverlay * overlay, GstCaps * caps)
if (!gst_pad_peer_query (overlay->srcpad, query)) {
/* no problem, we use the query defaults */
GST_DEBUG_OBJECT (overlay, "ALLOCATION query failed");
ret = FALSE;
}
if (caps_has_meta && gst_query_find_allocation_meta (query,
GST_VIDEO_OVERLAY_COMPOSITION_META_API_TYPE, NULL))
attach = TRUE;
overlay->attach_compo_to_buffer = attach;
gst_query_unref (query);
} else {
overlay->attach_compo_to_buffer = FALSE;
}
if (original_caps && !original_has_meta && !attach) {
overlay->attach_compo_to_buffer = attach;
if (!ret && overlay->video_flushing) {
GST_DEBUG_OBJECT (overlay, "negotiation failed, schedule reconfigure");
gst_pad_mark_reconfigure (overlay->srcpad);
} else if (original_caps && !original_has_meta && !attach) {
if (caps_has_meta) {
/* Some elements (fakesink) claim to accept the meta on caps but won't
put it in the allocation query result, this leads below