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qtdemux: Don't perform seeks with inconsistent seek values

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If gst_segment_do_seek() fails, we shouldn't try seeking on that
resulting segment but just error out. Crashes further down the line
otherwise.
This commit is contained in:
Sebastian Dröge 2017-04-25 17:11:27 +03:00
parent 36b5dc0270
commit a593e4966e
1 changed files with 13 additions and 6 deletions
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19
gst/isomp4/qtdemux.c
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@ -1628,6 +1628,7 @@ gst_qtdemux_do_seek (GstQTDemux * qtdemux, GstPad * pad, GstEvent * event)
GstSegment seeksegment; GstSegment seeksegment;
guint32 seqnum = 0; guint32 seqnum = 0;
GstEvent *flush_event; GstEvent *flush_event;
gboolean ret;
if (event) { if (event) {
GST_DEBUG_OBJECT (qtdemux, "doing seek with event"); GST_DEBUG_OBJECT (qtdemux, "doing seek with event");
@ -1674,12 +1675,18 @@ gst_qtdemux_do_seek (GstQTDemux * qtdemux, GstPad * pad, GstEvent * event)
if (event) { if (event) {
/* configure the segment with the seek variables */ /* configure the segment with the seek variables */
GST_DEBUG_OBJECT (qtdemux, "configuring seek"); GST_DEBUG_OBJECT (qtdemux, "configuring seek");
gst_segment_do_seek (&seeksegment, rate, format, flags, if (!gst_segment_do_seek (&seeksegment, rate, format, flags,
cur_type, cur, stop_type, stop, &update); cur_type, cur, stop_type, stop, &update)) {
ret = FALSE;
GST_ERROR_OBJECT (qtdemux, "inconsistent seek values, doing nothing");
} else {
/* now do the seek */
ret = gst_qtdemux_perform_seek (qtdemux, &seeksegment, seqnum, flags);
}
} else {
/* now do the seek */
ret = gst_qtdemux_perform_seek (qtdemux, &seeksegment, seqnum, flags);
} }
/* now do the seek, this actually never returns FALSE */
gst_qtdemux_perform_seek (qtdemux, &seeksegment, seqnum, flags);
/* prepare for streaming again */ /* prepare for streaming again */
if (flush) { if (flush) {
@ -1708,7 +1715,7 @@ gst_qtdemux_do_seek (GstQTDemux * qtdemux, GstPad * pad, GstEvent * event)
GST_PAD_STREAM_UNLOCK (qtdemux->sinkpad); GST_PAD_STREAM_UNLOCK (qtdemux->sinkpad);
return TRUE; return ret;
/* ERRORS */ /* ERRORS */
no_format: no_format: