[gstreamer-bugs] [Bug 348002] AC3 5.1 foreground movie sound cannot be heard in Totem/gst-launch while OK in MPlayer

GStreamer (bugzilla.gnome.org) bugzilla-daemon at bugzilla.gnome.org
Fri Aug 11 02:17:16 PDT 2006


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http://bugzilla.gnome.org/show_bug.cgi?id=348002
 GStreamer | gst-plugins-ugly | Ver: HEAD CVS


Michal Benes changed:

           What    |Removed                     |Added
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                 CC|                            |michal.benes at itonis.tv




------- Comment #2 from Michal Benes  2006-08-11 09:16 UTC -------
The thing is that mplayer uses liba52 channel downmixing which use conversion
hinting from the a52 headers. On the other hand, totem does downmixing by
audioconvert plugin which use static conversion matrix (which does not fit for
every situation).

I have commited patch in bug #350761 that enables downmixing directly in
a52dec. But I do not know if the Totem pipeline will choose to downmix in
a52dec or audioconvert plugin (but I think that audioconvert should chose
passthrough mode if it can).


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