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qtdemux: Don't push GAP event if first buffer is within 1s

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If we saw empty segments, we previously unconditionally pushed a
GAP event downstream regardless of the duration of that empty
segment.

In order to avoid issues with initial negotiation of downstream elements
(which would negotiate to something before receiving any data due to
that initial GAP event), check if there's at least a second of difference
(like we do for other GAP-related checks in qtdemux) before
deciding to push a GAP event downstream.
This commit is contained in:
Edward Hervey 2017-12-13 11:35:37 +01:00 committed by Edward Hervey
parent 5c341f0980
commit 2e45926a96
1 changed files with 4 additions and 2 deletions
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4
gst/isomp4/qtdemux.c
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@ -5811,7 +5811,9 @@ gst_qtdemux_loop_state_movie (GstQTDemux * qtdemux)
GST_TIME_ARGS (dts), GST_TIME_ARGS (pts), GST_TIME_ARGS (duration));
if (G_UNLIKELY (empty)) {
/* empty segment, push a gap and move to the next one */
/* empty segment, push a gap if there's more than a second
* difference and move to the next one */
if ((pts + duration - stream->segment.position) > GST_SECOND)
gst_pad_push_event (stream->pad, gst_event_new_gap (pts, duration));
stream->segment.position = pts + duration;
goto next;