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oggdemux: properly handle stop position at seeks in push mode

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Store the seek stop and seqnum and properly restore them when
receiving the corresponding Segment from upstream. Also fixes
seqnum for converted seek events.
This commit is contained in:
Thiago Santos 2013-09-06 15:56:39 -03:00
parent a156fe4a1a
commit 7ecd5b1108
2 changed files with 17 additions and 2 deletions
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17
ext/ogg/gstoggdemux.c
View file

@ -1040,10 +1040,11 @@ gst_ogg_pad_submit_packet (GstOggPad * pad, ogg_packet * packet)
GST_TIME_ARGS (start_time));
segment.rate = ogg->push_seek_rate;
segment.start = ogg->push_seek_time_original_target;
segment.stop = -1;
segment.stop = ogg->push_seek_time_original_stop;
segment.time = ogg->push_seek_time_original_target;
segment.base = ogg->push_seek_time_original_target;
event = gst_event_new_segment (&segment);
gst_event_set_seqnum (event, ogg->push_seek_seqnum);
ogg->push_state = PUSH_PLAYING;
} else {
segment.rate = ogg->segment.rate;
@ -1691,6 +1692,7 @@ gst_ogg_pad_handle_push_mode_state (GstOggPad * pad, ogg_page * page)
gst_event_new_seek (ogg->push_seek_rate, GST_FORMAT_BYTES,
ogg->push_seek_flags, GST_SEEK_TYPE_SET, best,
GST_SEEK_TYPE_NONE, -1);
gst_event_set_seqnum (sevent, ogg->push_seek_seqnum);
GST_PUSH_UNLOCK (ogg);
res = gst_pad_push_event (ogg->sinkpad, sevent);
@ -2130,6 +2132,7 @@ gst_ogg_demux_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
GST_DEBUG_OBJECT (ogg, "got a new segment event");
{
GstSegment segment;
gboolean update;
gst_event_copy_segment (event, &segment);
@ -2137,6 +2140,13 @@ gst_ogg_demux_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
GST_PUSH_LOCK (ogg);
ogg->push_byte_offset = segment.start;
ogg->push_last_seek_offset = segment.start;
if (gst_event_get_seqnum (event) == ogg->push_seek_seqnum)
gst_segment_do_seek (&ogg->segment, ogg->push_seek_rate,
GST_FORMAT_TIME, ogg->push_seek_flags, GST_SEEK_TYPE_SET,
ogg->push_seek_time_original_target, GST_SEEK_TYPE_SET,
ogg->push_seek_time_original_stop, &update);
GST_PUSH_UNLOCK (ogg);
} else {
GST_WARNING_OBJECT (ogg, "unexpected segment format: %s",
@ -3419,7 +3429,7 @@ gst_ogg_demux_perform_seek_push (GstOggDemux * ogg, GstEvent * event)
goto error;
}
if (start_type != GST_SEEK_TYPE_SET) {
if (start_type != GST_SEEK_TYPE_SET || stop_type != GST_SEEK_TYPE_SET) {
GST_DEBUG_OBJECT (ogg, "can only seek to a SET target");
goto error;
}
@ -3511,9 +3521,11 @@ gst_ogg_demux_perform_seek_push (GstOggDemux * ogg, GstEvent * event)
ogg->push_offset1 = ogg->push_byte_length - 1;
ogg->push_time0 = ogg->push_start_time;
ogg->push_time1 = ogg->push_time_length;
ogg->push_seek_seqnum = gst_event_get_seqnum (event);
ogg->push_seek_time_target = start;
ogg->push_prev_seek_time = GST_CLOCK_TIME_NONE;
ogg->push_seek_time_original_target = start;
ogg->push_seek_time_original_stop = stop;
ogg->push_state = PUSH_BISECT1;
ogg->seek_secant = FALSE;
ogg->seek_undershot = FALSE;
@ -3541,6 +3553,7 @@ gst_ogg_demux_perform_seek_push (GstOggDemux * ogg, GstEvent * event)
ogg->push_bisection_steps[1] = 0;
sevent = gst_event_new_seek (rate, GST_FORMAT_BYTES, flags,
start_type, best, GST_SEEK_TYPE_NONE, -1);
gst_event_set_seqnum (sevent, gst_event_get_seqnum (event));
GST_PUSH_UNLOCK (ogg);
res = gst_pad_push_event (ogg->sinkpad, sevent);

2
ext/ogg/gstoggdemux.h
View file

@ -174,6 +174,7 @@ struct _GstOggDemux
enum { PUSH_PLAYING, PUSH_DURATION, PUSH_BISECT1, PUSH_LINEAR1, PUSH_BISECT2, PUSH_LINEAR2 } push_state;
GstClockTime push_seek_time_original_target;
GstClockTime push_seek_time_original_stop;
GstClockTime push_seek_time_target;
gint64 push_last_seek_offset;
GstClockTime push_last_seek_time;
@ -187,6 +188,7 @@ struct _GstOggDemux
gboolean seek_secant;
gboolean seek_undershot;
GstClockTime push_prev_seek_time;
guint32 push_seek_seqnum;
gint push_bisection_steps[2];
gint stats_bisection_steps[2];