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dashdemux: 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
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1 changed files with 28 additions and 3 deletions
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@ -2224,9 +2224,34 @@ gst_dash_demux_stream_download_fragment (GstDashDemux * demux,
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GST_DEBUG_OBJECT (stream->pad, "Downstream position: %"
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GST_TIME_FORMAT, GST_TIME_ARGS (ts));
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} else {
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ts = demux->segment.position;
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GST_DEBUG_OBJECT (stream->pad, "Downstream position query failed, "
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"failling back to looking at other pads");
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gboolean have_pos = FALSE;
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/* query other pads as some faulty element in the pad's branch might
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* reject position queries. This should be better than using the
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* demux segment position that can be much ahead */
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for (GSList * iter = demux->streams; iter != NULL;
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iter = g_slist_next (iter)) {
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GstDashDemuxStream *cur_stream = iter->data;
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if (!cur_stream->active_stream || cur_stream->pad == stream->pad)
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continue;
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have_pos =
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gst_pad_peer_query_position (cur_stream->pad, GST_FORMAT_TIME,
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&pos);
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if (have_pos) {
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ts = (GstClockTime) pos;
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GST_DEBUG_OBJECT (stream->pad, "Downstream position: %"
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GST_TIME_FORMAT, GST_TIME_ARGS (ts));
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break;
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}
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}
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if (!have_pos) {
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ts = demux->segment.position;
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GST_DEBUG_OBJECT (stream->pad, "Downstream position query failed, "
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"failling back to looking at other pads");
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}
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}
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GST_DEBUG_OBJECT (stream->pad, "Restarting stream at "
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