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Lovot
Tux's lil' helper
Joined: 04 Aug 2015
Posts: 84
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 Posted: Tue Oct 17, 2017 3:08 am Post subject: [SOLVED] Alsa Steam lockout issues |
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Steam, and steam games seem to like to hog ALSA, either the game has no sound, or nothing else has sound,
I get this error when the game has no sound:
| Code: | | AL lib: (EE) ALCplaybackAlsa_mixerNoMMapProc: Wait timeout... buffer size too low? |
and so far google hasn't been super helpful
It seems setting the buffer size to a larger value should fix this, but I have no clue how to do that.
Last edited by Lovot on Fri Oct 20, 2017 12:28 am; edited 1 time in total |
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Hu
Moderator
Joined: 06 Mar 2007
Posts: 21631
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| Posted: Wed Oct 18, 2017 1:27 am Post subject: |
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| Sound exclusivity often means that a program opened the sound device directly, rather than routing through the ALSA software mixer. What do other programs report when a Steam game locks the sound card? How have you configured ALSA in Steam? |
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Lovot
Tux's lil' helper
Joined: 04 Aug 2015
Posts: 84
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| Posted: Thu Oct 19, 2017 1:05 am Post subject: |
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MOC gives a | Code: | | "Can't open audio: Device or resource busy" |
error
I didn't know you could configure ALSA in Steam, never saw anyting about that on the wiki pages, maybe i missed it...
I use | Code: | | export SDL_AUDIODRIVER=alsa |
before executing Steam to get it to stop trying to use pulseaudio
I tried this (/etc/asound.conf):
| Code: |
pcm.dmixed {
type asym
playback.pcm {
type dmix
ipc_key 5678293
ipc_perm 0660
ipc_gid audio
slave {
channels 2 # make 6 or 5.1 channel
pcm {
format S16_LE # S32_LE
rate 48000 # can also be 44100
type hw
card 2# your card
device 2 # your device
subdevice 0 #important?
}
period_size 1024
buffer_size 8192
}
bindings {
0 0
1 1
# Uncomment below if using 6 channel
# 2 2
# 3 3
# 4 4
# 5 5
}
}
capture.pcm "hw:0"
}
pcm.!default {
type plug
slave.pcm "dmixed"
}
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Get this error when a game tries to access the card with that config loaded:
| Code: | | ALSA lib /var/tmp/portage/media-libs/alsa-lib-1.1.4.1/work/alsa-lib-1.1.4.1/src/pcm/pcm_dmix.c:1099:(snd_pcm_dmix_open) unable to open slave |
Note that "var/tmp/portage/media-libs/alsa-lib-1.1.4.1" does not exist |
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Chiitoo
Administrator
Joined: 28 Feb 2010
Posts: 2573
Location: Here and Away Again
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| Posted: Thu Oct 19, 2017 10:41 am Post subject: ><)))°€ |
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Have you tried without any 'asoundrc' configuration, using the default automagic?
Often that's not quite possible though, at least not without re-ordering the cards for example.
Going with your configuration there, is it really card 2, device 2 that you want to be using?
Output of 'aplay -l' and perhaps 'aplay -L' could be helpful here.
As a sidey-note, setting 'SDL_AUDIODRIVER' should not be necessary, or at least I can't see it doing anything useful (once upon a time, it did help me to get sound, but that was many moons ago).
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Kindest of regardses. |
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Lovot
Tux's lil' helper
Joined: 04 Aug 2015
Posts: 84
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| Posted: Fri Oct 20, 2017 12:27 am Post subject: Re: ><)))°€ |
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| Chiitoo wrote: | Have you tried without any 'asoundrc' configuration, using the default automagic?
Often that's not quite possible though, at least not without re-ordering the cards for example.
Going with your configuration there, is it really card 2, device 2 that you want to be using?
Output of 'aplay -l' and perhaps 'aplay -L' could be helpful here.
As a sidey-note, setting 'SDL_AUDIODRIVER' should not be necessary, or at least I can't see it doing anything useful (once upon a time, it did help me to get sound, but that was many moons ago). |
I appear to be slightly retarded, the Xonar (the card I use) only has 2 subdevices, 0 and 1, there is no device 2, i use device 0, so it was trying to open a non-existent subdevice with that asound.conf. I fixed it, and now the problem is fixed. Thank you for helping me. |
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Chiitoo
Administrator
Joined: 28 Feb 2010
Posts: 2573
Location: Here and Away Again
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| Posted: Fri Oct 20, 2017 12:29 pm Post subject: |
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Good it was just that! :]
As another sidey-note, there are some games using FMOD Studio, which doesn't quite respect (or see) the user configuration (Zombie Night Terror for example). While doing playtesting for certain titles, I noticed that adding
for a PCM device helps FMOD in seeing it.
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