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qtdemux: Reset adapter in more discontinuity cases

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In push mode we process as much as possible in the adapter. When we receive
a DISCONT buffer which we can't match to an actual sample (based on the existing
sample table) and there is still data remaining in the incoming adapter,there is
one of two cases happening:
1) We are doing reverse playback, in which case we should flush out all pending
  data
2) We have leftover data from the previous incoming buffer... which we can't do
  anything about.

For the second case, make sure we flush out the remaining data so that we can start
parsing again from scratch.

https://bugzilla.gnome.org/show_bug.cgi?id=781319
This commit is contained in:
Edward Hervey 2017-04-14 17:01:49 +02:00 committed by Edward Hervey
parent 474819cc3d
commit 58e3033747
1 changed files with 2 additions and 0 deletions
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2
gst/isomp4/qtdemux.c
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@ -6326,10 +6326,12 @@ gst_qtdemux_chain (GstPad * sinkpad, GstObject * parent, GstBuffer * inbuf)
}
}
if (!is_gap_input) {
GST_DEBUG_OBJECT (demux, "Resetting, actual DISCONT");
/* Reset state if it's a real discont */
demux->neededbytes = 16;
demux->state = QTDEMUX_STATE_INITIAL;
demux->offset = GST_BUFFER_OFFSET (inbuf);
gst_adapter_clear (demux->adapter);
}
}
/* Reverse fragmented playback, need to flush all we have before