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decodebin: do call set_queue_size in no_more_pads_cb

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Consider pipeline: gst-launch-1.0 playbin uri=http://example.com/a.ogg
Consider 128kbit audio stream.

As soon as uridecodebin detects the bitrate, it configures its input
queue2 max-size to 32000 bytes.
The 2MB buffer in multiqueue is nearly 2 orders of magnitude bigger.
This non-deterministically drives queue2 buffer anywhere from
100% to 0% until multiqueue is filled.

This patch sets multiqueue size to 5 buffers early in no_more_pads_cb.

Partly reverts commit db771185ed.

https://bugzilla.gnome.org/show_bug.cgi?id=740689
This commit is contained in:
Branislav Katreniak 2015-01-12 14:38:09 +01:00 committed by Sebastian Dröge
parent 6ab711f3f1
commit d16df7f70d
1 changed files with 14 additions and 0 deletions
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14
gst/playback/gstdecodebin2.c
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@ -2901,6 +2901,13 @@ no_more_pads_cb (GstElement * element, GstDecodeChain * chain)
GST_DEBUG_OBJECT (element, "Setting group %p to complete", group);
group->no_more_pads = TRUE;
/* this group has prerolled enough to not need more pads,
* we can probably set its buffering state to playing now */
GST_DEBUG_OBJECT (group->dbin, "Setting group %p multiqueue to "
"'playing' buffering mode", group);
decodebin_set_queue_size (group->dbin, group->multiqueue, FALSE,
(group->parent ? group->parent->seekable : TRUE),
(group->parent ? group->parent->adaptive_demuxer : FALSE));
CHAIN_MUTEX_UNLOCK (chain);
EXPOSE_LOCK (chain->dbin);
@ -3316,6 +3323,13 @@ multi_queue_overrun_cb (GstElement * queue, GstDecodeGroup * group)
queue);
group->overrun = TRUE;
/* this group has prerolled enough to not need more pads,
* we can probably set its buffering state to playing now */
GST_DEBUG_OBJECT (group->dbin, "Setting group %p multiqueue to "
"'playing' buffering mode", group);
decodebin_set_queue_size (group->dbin, group->multiqueue, FALSE,
(group->parent ? group->parent->seekable : TRUE),
(group->parent ? group->parent->adaptive_demuxer : FALSE));
/* FIXME: We should make sure that everything gets exposed now
* even if child chains are not complete because the will never