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dashdemux: simplify seek to eos handling

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Remove redundant flush stop pushing and remove a goto to make
the code flow simpler
This commit is contained in:
Thiago Santos 2014-11-07 19:09:15 -03:00
parent 5ae991095d
commit e60bdc553c
1 changed files with 40 additions and 40 deletions
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80
ext/dash/gstdashdemux.c
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@ -476,6 +476,7 @@ gst_dash_demux_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
GstStreamPeriod *period;
GSList *iter;
gboolean update;
gboolean seek_to_eos = FALSE;
GST_INFO_OBJECT (demux, "Received seek event");
@ -539,47 +540,40 @@ gst_dash_demux_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
if (list == NULL) {
GST_WARNING_OBJECT (demux, "Could not find seeked Period");
if (flags & GST_SEEK_FLAG_FLUSH) {
GST_DEBUG_OBJECT (demux, "Sending flush stop and eos on all pad");
for (iter = demux->streams; iter; iter = g_slist_next (iter)) {
GstDashDemuxStream *stream;
seek_to_eos = TRUE;
}
stream = iter->data;
stream->stream_eos = TRUE;
gst_pad_push_event (stream->pad, gst_event_new_flush_stop (TRUE));
}
if (!seek_to_eos) {
if (current_period != gst_mpd_client_get_period_index (demux->client)) {
GSList *streams = NULL;
GST_DEBUG_OBJECT (demux, "Seeking to Period %d", current_period);
streams = demux->streams;
demux->streams = NULL;
/* clean old active stream list, if any */
gst_active_streams_free (demux->client);
/* setup video, audio and subtitle streams, starting from the new Period */
if (!gst_mpd_client_set_period_index (demux->client, current_period)
|| !gst_dash_demux_setup_all_streams (demux))
return FALSE;
gst_dash_demux_expose_streams (demux);
gst_dash_demux_remove_streams (demux, streams);
}
goto restart;
/* Update the current sequence on all streams */
seg_evt = gst_event_new_segment (&demux->segment);
gst_event_set_seqnum (seg_evt, gst_event_get_seqnum (event));
for (iter = demux->streams; iter; iter = g_slist_next (iter)) {
GstDashDemuxStream *stream = iter->data;
gst_mpd_client_stream_seek (demux->client, stream->active_stream,
target_pos);
gst_event_replace (&stream->pending_segment, seg_evt);
}
gst_event_unref (seg_evt);
}
if (current_period != gst_mpd_client_get_period_index (demux->client)) {
GSList *streams = NULL;
GST_DEBUG_OBJECT (demux, "Seeking to Period %d", current_period);
streams = demux->streams;
demux->streams = NULL;
/* clean old active stream list, if any */
gst_active_streams_free (demux->client);
/* setup video, audio and subtitle streams, starting from the new Period */
if (!gst_mpd_client_set_period_index (demux->client, current_period)
|| !gst_dash_demux_setup_all_streams (demux))
return FALSE;
gst_dash_demux_expose_streams (demux);
gst_dash_demux_remove_streams (demux, streams);
}
/* Update the current sequence on all streams */
seg_evt = gst_event_new_segment (&demux->segment);
gst_event_set_seqnum (seg_evt, gst_event_get_seqnum (event));
for (iter = demux->streams; iter; iter = g_slist_next (iter)) {
GstDashDemuxStream *stream = iter->data;
gst_mpd_client_stream_seek (demux->client, stream->active_stream,
target_pos);
gst_event_replace (&stream->pending_segment, seg_evt);
}
gst_event_unref (seg_evt);
if (flags & GST_SEEK_FLAG_FLUSH) {
GST_DEBUG_OBJECT (demux, "Sending flush stop on all pad");
@ -588,13 +582,19 @@ gst_dash_demux_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
stream = iter->data;
stream->need_header = TRUE;
stream->stream_eos = FALSE;
stream->stream_eos = seek_to_eos;
gst_pad_push_event (stream->pad, gst_event_new_flush_stop (TRUE));
}
} else if (seek_to_eos) {
for (iter = demux->streams; iter; iter = g_slist_next (iter)) {
GstDashDemuxStream *stream;
stream = iter->data;
stream->stream_eos = TRUE;
}
}
/* Restart the demux */
restart:
GST_DASH_DEMUX_CLIENT_LOCK (demux);
demux->cancelled = FALSE;
demux->end_of_manifest = FALSE;