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Apreche
Guru
Joined: 18 Sep 2003
Posts: 506
Location: Beacon, NY
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 Posted: Sun Oct 09, 2005 4:17 pm Post subject: [SOLVED] need to route oss to optical out |
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I had a lot of problems with sound in linux in the past, and I'm on the verge of fixing everything. I've got an NF7-S motherboard with built in sound card (intel8x0). I'm using the optical/toslink/iec958 output to connect to my new logitech Z-5500 speakers. I've got the following asoundrc.
| Code: | pcm.nforce-hw {
type hw
card 0
device 2
}
pcm.!default {
type plug
slave.pcm "dmixer"
}
pcm.dmixer {
type dmix
ipc_key 1024
ipc_perm 0660
slave {
pcm "hw:0,2"
period_time 0
period_size 1024
buffer_size 4096
rate 48000
}
bindings {
0 0
1 1
}
}
ctl.nforce-hw {
type hw
card 0
device 2
}
pcm.dsp0 {
type plug
slave.pcm "dmixer"
}
ctl.dsp0 {
type plug
slave.pcm "nforce-hw"
}
ctl.mixer0 {
type plug
slave.pcm "nforce-hw"
}
pcm.jackplug {
type plug
slave { pcm "jack" }
}
pcm.jack {
type jack
playback_ports {
0 alsa_pcm:playback_1
1 alsa_pcm:playback_2
}
capture_ports {
0 alsa_pcm:capture_1
1 alsa_pcm:capture_2
}
} |
Everything works great so far. I can play any number of sounds via the default alsa pcm device and hear them all perfectly. The one thing that does not work is OSS emulation. Well that's a lie, it does work. But the sound comes out of the analog not the optical output. I need to somehow get all the sounds going through OSS emulation to route to the dmix default PCM device and out the optical instead of out the analog. How can I do this?
EDIT: Ok, I switched from using the in-kernel OSS emulation modules to the alsa-oss package. If I run the aoss script on xmms in oss mode it works just fine. But if I run it on firefox and try to visit a flash website it crashes flash in the browser. xmms supports alsa, I only need this to work for oss-only programs like flash and such. And I need some way for it to work automatically, I can't be bothered typing this aoss command in front of everyting.
Last edited by Apreche on Sun Oct 16, 2005 9:40 pm; edited 1 time in total |
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theDOC_23
Tux's lil' helper
Joined: 02 Dec 2004
Posts: 121
Location: Aachen, GER
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| Posted: Fri Oct 14, 2005 9:41 am Post subject: |
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hi, there is a module option for the snd-pcm-oss module.
just set the following in the alsa module section:
| Code: | | options snd-pcm-oss dsp_map=2 |
"2" would be the output device of your soundcard, /dev/dsp should map to. |
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Apreche
Guru
Joined: 18 Sep 2003
Posts: 506
Location: Beacon, NY
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| Posted: Sun Oct 16, 2005 9:40 pm Post subject: |
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| OMG thank you so much. I almost can't believe that actually worked! I tried 100 other ways and they all had problems. This is perfect, you rock. |
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