[vlc] Re: ALSA surround51 support - working?

[Benjamin PRACHT]

On Sun, Mar 06, 2005, Alex Perry wrote :
> I've got a working ALSA supported card and verified surround51 capability.
> The CM8738 supports 6ch 48kHz 16bit, which is what I expect VLC to use.
> With all sources I've tested so far, it works for Xine and fails for VLC.
> 
> Example symptom:
> First, I force the mono soundtrack ...
> > [00000399] a52 decoder: A/52 channels:1 samplerate:48000 bitrate:96000
> > No accelerated IMDCT transform found
> Then, I force the 6 channel soundtrack ...
> > [00000403] a52 decoder: A/52 channels:6 samplerate:48000 bitrate:448000
> > No accelerated IMDCT transform found
> Then, I switch from the stereo audio device to the 5.1 selection ...
> > [00000280] alsa audio output error: unable to set stream sample size \
> >                  and word order (Invalid argument)
> > No accelerated IMDCT transform found
> The audio output stays in stereo (not surprisingly, given the error).
> 

Well, just tested, and you have a good point here... We're trying to see
were the issue is. A temporary workaround would be to enable the OSS
emulation layer included in the ALSA drivers. VLC should fall back to
OSS automatically. This trick allowed me to get 5.1 sound on my nforce2.

-- 
BigBen

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