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wavparse: respect seqnum in seek events

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Propagate the original seek seqnum to events originated from
seeking to make sure they have the same value
This commit is contained in:
Thiago Santos 2015-12-01 00:22:36 -03:00
parent 763a7e5265
commit d55458135a
1 changed files with 17 additions and 4 deletions
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21
gst/wavparse/gstwavparse.c
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@ -378,12 +378,14 @@ gst_wavparse_perform_seek (GstWavParse * wav, GstEvent * event)
gboolean update;
GstSegment seeksegment = { 0, };
gint64 last_stop;
guint32 seqnum = 0;
if (event) {
GST_DEBUG_OBJECT (wav, "doing seek with event");
gst_event_parse_seek (event, &rate, &format, &flags,
&cur_type, &cur, &stop_type, &stop);
seqnum = gst_event_get_seqnum (event);
/* no negative rates yet */
if (rate < 0.0)
@ -449,6 +451,7 @@ gst_wavparse_perform_seek (GstWavParse * wav, GstEvent * event)
/* BYTE seek event */
event = gst_event_new_seek (rate, GST_FORMAT_BYTES, flags, cur_type, cur,
stop_type, stop);
gst_event_set_seqnum (event, seqnum);
res = gst_pad_push_event (wav->sinkpad, event);
}
return res;
@ -464,9 +467,13 @@ gst_wavparse_perform_seek (GstWavParse * wav, GstEvent * event)
* as it completes one iteration (and thus might block when the sink is
* blocking in preroll). */
if (flush) {
GstEvent *fevent;
GST_DEBUG_OBJECT (wav, "sending flush start");
gst_pad_push_event (wav->sinkpad, gst_event_new_flush_start ());
gst_pad_push_event (wav->srcpad, gst_event_new_flush_start ());
fevent = gst_event_new_flush_start ();
gst_event_set_seqnum (fevent, seqnum);
gst_pad_push_event (wav->sinkpad, gst_event_ref (fevent));
gst_pad_push_event (wav->srcpad, fevent);
} else {
gst_pad_pause_task (wav->sinkpad);
}
@ -545,10 +552,15 @@ gst_wavparse_perform_seek (GstWavParse * wav, GstEvent * event)
/* prepare for streaming again */
if (flush) {
GstEvent *fevent;
/* if we sent a FLUSH_START, we now send a FLUSH_STOP */
GST_DEBUG_OBJECT (wav, "sending flush stop");
gst_pad_push_event (wav->sinkpad, gst_event_new_flush_stop (TRUE));
gst_pad_push_event (wav->srcpad, gst_event_new_flush_stop (TRUE));
fevent = gst_event_new_flush_stop (TRUE);
gst_event_set_seqnum (fevent, seqnum);
gst_pad_push_event (wav->sinkpad, gst_event_ref (fevent));
gst_pad_push_event (wav->srcpad, fevent);
}
/* now we did the seek and can activate the new segment values */
@ -569,6 +581,7 @@ gst_wavparse_perform_seek (GstWavParse * wav, GstEvent * event)
if (wav->start_segment)
gst_event_unref (wav->start_segment);
wav->start_segment = gst_event_new_segment (&wav->segment);
gst_event_set_seqnum (wav->start_segment, seqnum);
/* mark discont if we are going to stream from another position. */
if (last_stop != wav->segment.position) {