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tsdemux: respect seqnums on seeks

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Pass the seqnum to other events that are consequence of the
original seek event
This commit is contained in:
Thiago Santos 2013-09-10 18:51:52 -03:00
parent c70fceb16f
commit efb27f19ec
1 changed files with 21 additions and 13 deletions
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34
gst/mpegtsdemux/mpegtsbase.c
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@ -1328,6 +1328,7 @@ mpegts_base_handle_seek_event (MpegTSBase * base, GstPad * pad,
GstSeekFlags flags;
GstSeekType start_type, stop_type;
gint64 start, stop;
GstEvent *flush_event = NULL;
gst_event_parse_seek (event, &rate, &format, &flags, &start_type, &start,
&stop_type, &stop);
@ -1353,11 +1354,13 @@ mpegts_base_handle_seek_event (MpegTSBase * base, GstPad * pad,
if (G_UNLIKELY (ret != GST_FLOW_OK))
GST_WARNING ("seeking failed %s", gst_flow_get_name (ret));
else {
GstEvent *new_seek;
base->mode = BASE_MODE_SEEKING;
if (!gst_pad_push_event (base->sinkpad, gst_event_new_seek (rate,
GST_FORMAT_BYTES, flags,
GST_SEEK_TYPE_SET, base->seek_offset,
GST_SEEK_TYPE_NONE, -1)))
new_seek = gst_event_new_seek (rate, GST_FORMAT_BYTES, flags,
GST_SEEK_TYPE_SET, base->seek_offset, GST_SEEK_TYPE_NONE, -1);
gst_event_set_seqnum (new_seek, GST_EVENT_SEQNUM (event));
if (!gst_pad_push_event (base->sinkpad, new_seek))
ret = GST_FLOW_ERROR;
else
base->last_seek_seqnum = GST_EVENT_SEQNUM (event);
@ -1378,9 +1381,10 @@ mpegts_base_handle_seek_event (MpegTSBase * base, GstPad * pad,
base->mode = BASE_MODE_SEEKING;
if (flush) {
GST_DEBUG_OBJECT (base, "sending flush start");
gst_pad_push_event (base->sinkpad, gst_event_new_flush_start ());
GST_MPEGTS_BASE_GET_CLASS (base)->push_event (base,
gst_event_new_flush_start ());
flush_event = gst_event_new_flush_start ();
gst_event_set_seqnum (flush_event, GST_EVENT_SEQNUM (event));
gst_pad_push_event (base->sinkpad, gst_event_ref (flush_event));
GST_MPEGTS_BASE_GET_CLASS (base)->push_event (base, flush_event);
} else
gst_pad_pause_task (base->sinkpad);
@ -1390,7 +1394,11 @@ mpegts_base_handle_seek_event (MpegTSBase * base, GstPad * pad,
if (flush) {
/* send a FLUSH_STOP for the sinkpad, since we need data for seeking */
GST_DEBUG_OBJECT (base, "sending flush stop");
gst_pad_push_event (base->sinkpad, gst_event_new_flush_stop (TRUE));
flush_event = gst_event_new_flush_stop (TRUE);
gst_event_set_seqnum (flush_event, GST_EVENT_SEQNUM (event));
/* ref for it to be reused later */
gst_pad_push_event (base->sinkpad, gst_event_ref (flush_event));
/* And actually flush our pending data but allow to preserve some info
* to perform the seek */
mpegts_base_flush (base, FALSE);
@ -1415,15 +1423,15 @@ mpegts_base_handle_seek_event (MpegTSBase * base, GstPad * pad,
GST_WARNING ("subclass has no seek implementation");
}
if (flush) {
if (flush_event) {
/* if we sent a FLUSH_START, we now send a FLUSH_STOP */
GST_DEBUG_OBJECT (base, "sending flush stop");
//gst_pad_push_event (base->sinkpad, gst_event_new_flush_stop ());
GST_MPEGTS_BASE_GET_CLASS (base)->push_event (base,
gst_event_new_flush_stop (TRUE));
GST_MPEGTS_BASE_GET_CLASS (base)->push_event (base, flush_event);
flush_event = NULL;
}
//else
done:
if (flush_event)
gst_event_unref (flush_event);
gst_pad_start_task (base->sinkpad, (GstTaskFunction) mpegts_base_loop, base,
NULL);