Re: Simultaneous sounds with ALSA?

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On Thu, 2004-04-08 at 17:07, Brian Bober wrote:
> Ben Steeves wrote:
> >
> > ALSA's hardware mixing works fine out-of-the-box on both my Turtle Beach
> > Santa Cruz and Shuttle MN31N built-in (i8x0) sound.  I'm running the
> > most up-to-date rawhide of FC2.  
> 
> I have AC'97 (i8x0) Audio built into my MSI Microstar i845G motherboard, and
> there isn't any hardware mixing going on, nor software for that matter.
> 
> In fact, the *pwing* *pwing* thing is happening again :-)
> 
> I just played an mp3 in xmms (using xmms-mp3) and was sending messages to
> myself in GAIM to test, and not hearing the messages but then when xmms
> stopped, i heard all the sounds for the messages.
> 
> I'm curious, since you also have an 8x0 audio, please run amixer on the shell
> on your Shuttle board... I get the following:

I'm not sure the hardware mixing switch shows up on amixer.  I ran it
with and without mixing turned on and ran a diff on the output and it
was the same.  Still, for what it's worth, here's the amixer output:
Simple mixer control 'Master',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 27 [87%] [on]
  Front Right: Playback 27 [87%] [on]
Simple mixer control 'Master Mono',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 31
  Mono: Playback 0 [0%] [off]
Simple mixer control '3D Control - Center',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Limits: 0 - 15
  Mono: 0 [0%]
Simple mixer control '3D Control - Depth',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Limits: 0 - 15
  Mono: 0 [0%]
Simple mixer control '3D Control - Switch',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'PCM',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 31 [100%] [on]
  Front Right: Playback 31 [100%] [on]
Simple mixer control 'Surround',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 19 [61%] [on]
  Front Right: Playback 19 [61%] [on]
Simple mixer control 'Surround Down Mix',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'Center',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 31
  Mono: Playback 31 [100%] [off]
Simple mixer control 'Center/LFE Down Mix',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'LFE',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 31
  Mono: Playback 0 [0%] [off]
Simple mixer control 'Line',0
  Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-joined
cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 0 [0%] [on] Capture [off]
  Front Right: Playback 0 [0%] [on] Capture [off]
Simple mixer control 'Line-In As Surround',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'CD',0
  Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-joined
cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 0 [0%] [on] Capture [off]
  Front Right: Playback 0 [0%] [on] Capture [off]
Simple mixer control 'Mic',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch
cswitch-joined cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Mono
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono: Playback 0 [0%] [off]
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'Mic As Center/LFE',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Limits: 0 - 0
  Mono: 0 [0%]
Simple mixer control 'Mic Boost (+20dB)',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'Mic Select',0
  Capabilities:
  Mono:
Simple mixer control 'Video',0
  Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-joined
cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 0 [0%] [on] Capture [off]
  Front Right: Playback 0 [0%] [on] Capture [off]
Simple mixer control 'Phone',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch
cswitch-joined cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Mono
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono: Playback 0 [0%] [off]
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined cswitch cswitch-joined
  Playback channels: Mono
  Capture channels: Mono
  Mono: Playback [on] Capture [off]
Simple mixer control 'IEC958 Input Monitor',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'IEC958 Playback AC97-SPSA',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Limits: 0 - 3
  Mono: 0 [0%]
Simple mixer control 'PC Speaker',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 15
  Mono: Playback 0 [0%] [off]
Simple mixer control 'Aux',0
  Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-joined
cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 0 [0%] [on] Capture [off]
  Front Right: Playback 0 [0%] [on] Capture [off]
Simple mixer control 'Mono Output Select',0
  Capabilities:
  Mono:
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch cswitch-joined
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 15
  Front Left: Capture 0 [0%] [on]
  Front Right: Capture 0 [0%] [on]
Simple mixer control 'Mix',0
  Capabilities: cswitch cswitch-joined cswitch-exclusive
  Capture exclusive group: 0
  Capture channels: Front Left - Front Right
  Front Left: Capture [on]
  Front Right: Capture [on]
Simple mixer control 'Mix Mono',0
  Capabilities: cswitch cswitch-joined cswitch-exclusive
  Capture exclusive group: 0
  Capture channels: Front Left - Front Right
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'Analog to IEC958 Output',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'Duplicate Front',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'Exchange Center/LFE',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'External Amplifier',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'Swap Surround Slot',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]

-- 
Ben Steeves                     _                    bcs@xxxxxxxxxx
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