[mythtv-users] alsa spdif works with myth but not xine, aplay or mplayer

Al McIntosh al at allanmcintosh.com
Sat Feb 21 14:34:31 UTC 2009


This is likely getting old... but hey I am hoping this is an easy
configuration item I am missing.

Alsa digital and analog audio passthrough both work well on mythbuntu with
the following:

Audio output device: ALSA:spdif
Passthrough output device:ALSA:IEC958{ AES0 0x02 }
Max Audio Channels: Stereo
Upmix: Passive


However, I'm having a difficult time getting other apps to pass non-dts
audio through to my amp.

My on board "card 0 SB [HDA ATI SB], device 1: ALC888 Digital [ALC888
Digital]"

How can I emulate what myth is doing with an  ~/.asoundrc

aplay -L|grep iec
iec958:CARD=SB,DEV=0

aplay -D iec958:CARD=SB,DEV=0 Norrlanda.wav #nothing..

I have tried the following with no result;

aplay -D mixed-digital Norrlanda.wav #nothing..
~/.asoundrc

<snip>
pcm.mixed-digital {
 type plug
 slave.pcm "dmix-digital"
}
ctl.mixed-digital {
 type hw
 card 0
}
pcm.dmix-digital {
 type dmix
 ipc_key 1025
 slave {
   pcm "digital-hw"
   period_time 0
   period_size 1024
   buffer_size 4096
   rate 48000
 }
}
ctl.dmix-digital {
 type hw
 card 0
}


Any ideas?
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