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mssdemux: some fixes to bitrate switching

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Removes a possible deadlock from bitrate switching when the pad
that requested the switch blocks on its pad-push
This commit is contained in:
Thiago Santos 2013-01-11 15:01:33 -03:00
parent 6ca10e6c1b
commit fba63178fe
1 changed files with 6 additions and 3 deletions
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9
ext/smoothstreaming/gstmssdemux.c
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@ -735,16 +735,19 @@ gst_mss_demux_reconfigure (GstMssDemux * mssdemux)
/* if we changed the bitrate, we need to add new pads */
for (iter = mssdemux->streams; iter; iter = g_slist_next (iter)) {
GstMssDemuxStream *stream = iter->data;
GstPad *oldpad = stream->pad;
GstClockTime ts =
gst_mss_stream_get_fragment_gst_timestamp (stream->manifest_stream);
oldpads = g_slist_prepend (oldpads, stream->pad);
oldpads = g_slist_prepend (oldpads, oldpad);
stream->pad = _create_pad (mssdemux, stream->manifest_stream);
/* TODO keep the same playback rate */
stream->pending_newsegment =
gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, ts, -1, ts);
gst_mss_demux_expose_stream (mssdemux, stream);
gst_pad_push_event (oldpad, gst_event_new_eos ());
}
gst_element_no_more_pads (GST_ELEMENT (mssdemux));
@ -752,8 +755,6 @@ gst_mss_demux_reconfigure (GstMssDemux * mssdemux)
for (iter = oldpads; iter; iter = g_slist_next (iter)) {
GstPad *oldpad = iter->data;
/* Push out EOS */
gst_pad_push_event (oldpad, gst_event_new_eos ());
gst_pad_set_active (oldpad, FALSE);
gst_element_remove_pad (GST_ELEMENT (mssdemux), oldpad);
gst_object_unref (oldpad);
@ -846,6 +847,8 @@ gst_mss_demux_stream_loop (GstMssDemuxStream * stream)
g_thread_create ((GThreadFunc) gst_mss_demux_reconfigure, mssdemux, FALSE,
NULL);
GST_DEBUG_OBJECT (mssdemux, "Finished streams reconfiguration");
gst_task_stop (stream->stream_task);
return;
} else {
GST_OBJECT_UNLOCK (mssdemux);
}