Hi,
I have an ALC880 card (snd_hda_intel) with the digital out connected to 
an external amplifier. and have a clean ubuntu dapper installation
The sound works fine for whatever stereo sources ogg, mp3 but as soon as 
I try to listen to ac3 passthrough then I get a device busy error

for example :
aplay toto.wav works fine
gxine toto.wav works fine
gxine test.ac3 gives a "device busy" error
totem-xine gives a "device busy" message ( totem and gxine are setup to 
use pasthrough )
gxine toto.vob -A oss sends a good Dolby D signal to the amplifier.
ac3dec test.ac3 -C -D hw:0,0 sends a good Dolby D signal to the amplifier
but ac3dec test.ac3 -C -D hw:0,2 send garbage to to the ampli (o,2 is 
the digital out )

nothing else is using the device and I removed all asoundrc.
Any advice on how I could debug that ?


Another strange thing I have is that
aplay toto.wav -D hw:0,0 sounds good
aplay toto.wav -D hw:0,2 gives a very horrible background sound.
adding a format S32_LE helps somewhat, I tried different rates 48000 
44100 but it did not help
Any idea ?

Thank you


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