[xine-bugs] [ xine-Bugs-1145192 ] with alsa's dmix-by-default patch xine cannot play 5.1 sound

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Bugs item #1145192, was opened at 2005-02-21 05:59
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Category: audio output problems
Group: current cvs version
Status: Open
Resolution: None
Priority: 5
Submitted By: Adam Williamson (adamwill)
Assigned to: Nobody/Anonymous (nobody)
Summary: with alsa's dmix-by-default patch xine cannot play 5.1 sound

Initial Comment:
I am running Mandrakelinux Cooker, with ALSA 1.0.8.
Cooker's libalsa is patched with a patch from ALSA CVS
which enables dmix by default for all ALSA output.
Cooker's libxine is v1.0 - there doesn't appear to be a
v1.0 option so I picked current cvs version, sorry.
Since the ALSA patch was merged, xine and derivatives
have been unable to play 5.1 audio. Simplest testcase:

mplayer -ao alsa -channels 6 dolby-city.ogg

works fine. Correct, six-channel sound.

xine dolby-city.ogg

"the audio device is unavailable. Please verify if
another program already use it."

(with audio system, in the config file, set to 'alsa',
speaker arrangement set to 'Surround 5.1', and all
other relevant settings default.) With audio system set
to OSS, the sound plays, but due to some unrelated bug,
the surround is all screwed up, so that's not a
workaround for me. Besides, this ought to work. :)

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