mssdemux: improve position detection when a download restart

Query other src pads before falling back to the position of the last
known pushed segment (which can be far ahead in time).

https://bugzilla.gnome.org/show_bug.cgi?id=736421
This commit is contained in:
Matthieu Bouron 2014-09-10 15:39:44 -03:00 committed by Thiago Santos
parent 4ed7c7919a
commit bce21e7398

View file

@ -1472,9 +1472,31 @@ gst_mss_demux_download_loop (GstMssDemuxStream * stream)
GST_DEBUG_OBJECT (mssdemux, "Downstream position: %"
GST_TIME_FORMAT, GST_TIME_ARGS (ts));
} else {
GST_DEBUG_OBJECT (mssdemux, "Downstream position query failed, "
"failling back to segment position");
ts = stream->segment.position;
gboolean have_pos = FALSE;
/* query other pads as some faulty element in the pad's branch might
* reject position queries. This should be better than using the
* demux segment position that can be much ahead */
for (GSList * iter = mssdemux->streams; iter != NULL;
iter = g_slist_next (iter)) {
GstMssDemuxStream *cur_stream = iter->data;
have_pos =
gst_pad_peer_query_position (cur_stream->pad, GST_FORMAT_TIME,
&pos);
if (have_pos) {
ts = (GstClockTime) pos;
GST_DEBUG_OBJECT (stream->pad, "Downstream position: %"
GST_TIME_FORMAT, GST_TIME_ARGS (ts));
break;
}
}
if (!have_pos) {
ts = stream->segment.position;
GST_DEBUG_OBJECT (stream->pad, "Downstream position query failed, "
"failling back to looking at other pads");
}
}
/* we might have already pushed this data */