[vdr] softdevice: audio device selection

Alex Golks master.of.brainless.things at gmx.net
Thu Aug 3 14:32:49 CEST 2006


hello,

i have a little question concerning the audio device selection of the softdevice.
i'm running vdr 1.4.1 with softdevice 0.2.3a.
my tv card is recongized as: 
 bttv0: using: Twinhan DST + clones [card=113,autodetected]
with frontendend:
 DVB: registering frontend 0 (DST DVB-T)...
and my soundcard is a:
 C-Media CMI8x38 PCI
they are all recognized by my kernel v2.6.17.

my commandline is like $vdr -P 'softdevice -vo xv: -ao:dummy'.
but, for my tv-card has no audio out, i would like to get the sound out of my soundcard. 
the example commandline "-ao alsa:pcm=plug:spdif#ac3=plug:spdif#" doesn't work for me, i think because there is no spdif...
other experiments didn't work either.
and i didn't find any information about this alsa device stuff.
but there must exist, cause running xine with vdr-xine plugin i get sound out of my snd-card.

here some takeouts of my syslog:
...
Dec 22 20:52:41 gockels-video vdr: [11772] [softdevice-audio] Opening alsa device plug:spdif
Dec 22 20:52:41 gockels-video vdr: [11772] [softdevice-audio] Using alsa AC3 device hw:0,1
Dec 22 20:52:41 gockels-video vdr: [11772] [softdevice-audio] Playback open error: plug:spdif, Invalid argument FATAL exiting
...
Dec 23 00:20:25 gockels-video vdr: [7907] [softdevice-audio] Opening alsa device plug:default
Dec 23 00:20:25 gockels-video vdr: [7907] [softdevice-audio] Using alsa AC3 device hw:0,1
Dec 23 00:20:25 gockels-video vdr: [7907] [softdevice-audio] Playback open error: plug:default, No such device FATAL exiting
...
Dec 23 00:19:57 gockels-video vdr: [7760] [softdevice-audio] Opening alsa device plug:front
Dec 23 00:19:57 gockels-video vdr: [7760] [softdevice-audio] Using alsa AC3 device hw:0,1
Dec 23 00:19:57 gockels-video vdr: [7760] [softdevice-audio] Playback open error: plug:front, Invalid argument FATAL exiting
...

i would be very thankful for some hints!
alex
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