Re: [Alsa-user] Multiplex sound access with ALSA

[gui42 <gu...@wa...>]

> > I have recently installed ALSA modules and drivers on my new computer,
> > but I have problems to use ALSA with more than 1 sound application.
> > ...
> > What could be the problem?
>=20
> Perhaps this might gives us a better idea of your system.
>=20
>  lynx -dump http://alsa.opensrc.org/aadebug | sh
as i have the same problem, I permit myself this response :

ALSA Audio Debug v0.0.4 - lun d=E9c  1 20:30:32 CET 2003

Kernel ----------------------------------------------------
Linux ordigui 2.4.22 #1 Fri Nov 21 15:29:45 CET 2003 i686 unknown unknown G=
NU/Linux

Loaded Modules --------------------------------------------
snd-mixer-oss          13296   0  (autoclean)
snd-intel8x0           19112   3  (autoclean)
snd-ac97-codec         48096   0  (autoclean) [snd-intel8x0]
snd-pcm                62240   1  (autoclean) [snd-intel8x0]
snd-timer              14916   0  (autoclean) [snd-pcm]
snd-page-alloc          6484   0  (autoclean) [snd-intel8x0 snd-pcm]
snd-mpu401-uart         3440   0  (autoclean) [snd-intel8x0]
snd-rawmidi            14144   0  (autoclean) [snd-mpu401-uart]
snd-seq-device          4336   0  (autoclean) [snd-rawmidi]
snd                    33156   2  (autoclean) [snd-mixer-oss snd-intel8x0 s=
nd-ac97-codec snd-pcm snd-timer snd-mpu401-uart snd-rawmidi snd-seq-device]

Modules Conf ----------------------------------------------
alias char-major-116 snd
alias char-major-14 soundcore
alias sound-service-0-0 snd-mixer-oss
alias sound-service-0-1 snd-seq-oss
alias sound-service-0-3 snd-pcm-oss
alias sound-service-0-8 snd-seq-oss
alias sound-service-0-12 snd-pcm-oss
alias snd-card-0 snd-intel8x0
alias sound-slot-0 snd-intel8x0
#alias /dev/mixer snd-mixer-oss
#alias /dev/dsp snd-pcm-oss
#alias /dev/midi snd-seq-oss
#alias /dev/sequencer snd-seq-midi

Proc Asound -----------------------------------------------
Advanced Linux Sound Architecture Driver Version 1.0.0pre2.
Compiled on Nov 23 2003 for kernel 2.4.22 with versioned symbols
.
0 [nForce2        ]: NFORCE - NVidia nForce2
                     NVidia nForce2 at 0xe6081000, irq 7
  0: [0- 0]: ctl
 18: [0- 2]: digital audio playback
 25: [0- 1]: digital audio capture
 16: [0- 0]: digital audio playback
 24: [0- 0]: digital audio capture
 33:       : timer
cat: /proc/asound/hwdep: Aucun fichier ou r=E9pertoire de ce type
00-00: Intel ICH : NVidia nForce2 : playback 1 : capture 1
00-01: Intel ICH - MIC ADC : NVidia nForce2 - MIC ADC : capture 1
00-02: Intel ICH - IEC958 : NVidia nForce2 - IEC958 : playback 1

Dev Snd ---------------------------------------------------
controlC0  midiC0D0  midiC2D4  pcmC0D4c  pcmC1D6c  pcmC3D0c
controlC1  midiC0D1  midiC2D5  pcmC0D4p  pcmC1D6p  pcmC3D0p
controlC2  midiC0D2  midiC2D6  pcmC0D5c  pcmC1D7c  pcmC3D1c
controlC3  midiC0D3  midiC2D7  pcmC0D5p  pcmC1D7p  pcmC3D1p
hwC0D0     midiC0D4  midiC3D0  pcmC0D6c  pcmC2D0c  pcmC3D2c
hwC0D1     midiC0D5  midiC3D1  pcmC0D6p  pcmC2D0p  pcmC3D2p
hwC0D2     midiC0D6  midiC3D2  pcmC0D7c  pcmC2D1c  pcmC3D3c
hwC0D3     midiC0D7  midiC3D3  pcmC0D7p  pcmC2D1p  pcmC3D3p
hwC1D0     midiC1D0  midiC3D4  pcmC1D0c  pcmC2D2c  pcmC3D4c
hwC1D1     midiC1D1  midiC3D5  pcmC1D0p  pcmC2D2p  pcmC3D4p
hwC1D2     midiC1D2  midiC3D6  pcmC1D1c  pcmC2D3c  pcmC3D5c
hwC1D3     midiC1D3  midiC3D7  pcmC1D1p  pcmC2D3p  pcmC3D5p
hwC2D0     midiC1D4  pcmC0D0c  pcmC1D2c  pcmC2D4c  pcmC3D6c
hwC2D1     midiC1D5  pcmC0D0p  pcmC1D2p  pcmC2D4p  pcmC3D6p
hwC2D2     midiC1D6  pcmC0D1c  pcmC1D3c  pcmC2D5c  pcmC3D7c
hwC2D3     midiC1D7  pcmC0D1p  pcmC1D3p  pcmC2D5p  pcmC3D7p
hwC3D0     midiC2D0  pcmC0D2c  pcmC1D4c  pcmC2D6c  seq
hwC3D1     midiC2D1  pcmC0D2p  pcmC1D4p  pcmC2D6p  timer
hwC3D2     midiC2D2  pcmC0D3c  pcmC1D5c  pcmC2D7c
hwC3D3     midiC2D3  pcmC0D3p  pcmC1D5p  pcmC2D7p

CPU -------------------------------------------------------
model name      : AMD Athlon(tm) XP 2200+
cpu MHz         : 1797.301

RAM -------------------------------------------------------
MemTotal:       516364 kB
SwapTotal:      514072 kB

Hardware --------------------------------------------------
00:00.0 Host bridge: nVidia Corporation: Unknown device 01e0 (rev c1)
00:05.0 Multimedia audio controller: nVidia Corporation nForce MultiMedia a=
udio [Via VT82C686B] (rev a2)
00:06.0 Multimedia audio controller: nVidia Corporation nForce2 AC97 Audio =
Controler (MCP) (rev a1)
01:09.0 Multimedia controller: Philips Semiconductors SAA7146 (rev 01)

note that I also tested the dmix plugin without good results.
thanks for your help