[Bug 745937] New: multiqueue: enters the buffering state when the use-buffering property is set
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Mon Mar 9 19:56:06 PDT 2015
https://bugzilla.gnome.org/show_bug.cgi?id=745937
Bug ID: 745937
Summary: multiqueue: enters the buffering state when the
use-buffering property is set
Classification: Platform
Product: GStreamer
Version: 1.4.5
OS: Linux
Status: NEW
Severity: normal
Priority: Normal
Component: gstreamer (core)
Assignee: gstreamer-bugs at lists.freedesktop.org
Reporter: dpalmer at digisoft.tv
QA Contact: gstreamer-bugs at lists.freedesktop.org
GNOME version: ---
When the 'use-buffering' property is set on a multiqueue, the internal
mq->buffering variable is set to TRUE, which causes the element to enter the
buffering state, and begin emitting buffering messages, regardless of buffer
levels.
decodebin sets the use-buffering property when making a decode group active.
So, an effect of the current multiqueue behaviour is that playback may pause
unnecessarily when a decode group becomes active (the multiqueue max-size-time
property is also reduced when a decode group is made active, so this bad
behaviour is only seen when the current buffer level is smaller than the new
max-size-time value).
There is no reason I can see to set mq->buffering = TRUE when use_buffering is
set; the code here also calls update_buffering(), which will set mq->buffering
= TRUE if this is warranted because of low buffer levels.
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