[mythtv-users] Soundblaster live and AC3 for MythDVD help

[Gregg Farhat]

I did the commands you suggested and got this it is an sblive value.  

[mythtv at mythtv mythtv]$  ls /dev/snd/
controlC0  hwC2D3    midiC1D2  midiC3D1  pcmC0D4c  pcmC1D3p  pcmC2D3c  pcmC3D2p
controlC1  hwC3D0    midiC1D3  midiC3D2  pcmC0D4p  pcmC1D4c  pcmC2D3p  pcmC3D3c
controlC2  hwC3D1    midiC1D4  midiC3D3  pcmC0D5c  pcmC1D4p  pcmC2D4c  pcmC3D3p
controlC3  hwC3D2    midiC1D5  midiC3D4  pcmC0D5p  pcmC1D5c  pcmC2D4p  pcmC3D4c
hwC0D0     hwC3D3    midiC1D6  midiC3D5  pcmC0D6c  pcmC1D5p  pcmC2D5c  pcmC3D4p
hwC0D1     midiC0D0  midiC1D7  midiC3D6  pcmC0D6p  pcmC1D6c  pcmC2D5p  pcmC3D5c
hwC0D2     midiC0D1  midiC2D0  midiC3D7  pcmC0D7c  pcmC1D6p  pcmC2D6c  pcmC3D5p
hwC0D3     midiC0D2  midiC2D1  pcmC0D0c  pcmC0D7p  pcmC1D7c  pcmC2D6p  pcmC3D6c
hwC1D0     midiC0D3  midiC2D2  pcmC0D0p  pcmC1D0c  pcmC1D7p  pcmC2D7c  pcmC3D6p
hwC1D1     midiC0D4  midiC2D3  pcmC0D1c  pcmC1D0p  pcmC2D0c  pcmC2D7p  pcmC3D7c
hwC1D2     midiC0D5  midiC2D4  pcmC0D1p  pcmC1D1c  pcmC2D0p  pcmC3D0c  pcmC3D7p
hwC1D3     midiC0D6  midiC2D5  pcmC0D2c  pcmC1D1p  pcmC2D1c  pcmC3D0p  seq
hwC2D0     midiC0D7  midiC2D6  pcmC0D2p  pcmC1D2c  pcmC2D1p  pcmC3D1c  timer
hwC2D1     midiC1D0  midiC2D7  pcmC0D3c  pcmC1D2p  pcmC2D2c  pcmC3D1p
hwC2D2     midiC1D1  midiC3D0  pcmC0D3p  pcmC1D3c  pcmC2D2p  pcmC3D2c
[mythtv at mythtv mythtv]$ cat /proc/asound/card0/codec97#0/ac97#0-0
0-0/0: Cirrus Logic CS4297A rev 3

Capabilities     : -headphone out-
DAC resolution   : 20-bit
ADC resolution   : 18-bit
3D enhancement   : Crystal Semi 3D Stereo Enhancement

Current setup
Mic gain         : +20dB [+20dB]
POP path         : pre 3D
Sim. stereo      : off
3D enhancement   : on
Loudness         : off
Mono output      : MIX
Mic select       : Mic1
ADC/DAC loopback : off
Extended ID      : codec=0 rev=0 AMAP DSA=0
Extended status  :
SPDIF Control    : Consumer PCM Copyright Category=0x22 Generation=1 Rate=48kHz



On Tue, 04 Jan 2005 13:07:07 -0500, Kyle Rose <krose+mythtv at krose.org> wrote:
> Gregg Farhat <3gemail at gmail.com> writes:
> 
> > I am new to Linux, and am having trouble with the ac3 part. I
> > installed myth using Jarods Guide.  Thanks.
> > I get sound using the SPDIF out on the sound blaster, but when I play
> > a dvd I get static and no sound.  Can someone send me a woking config
> > for sblive .asoundrec to get sound from my dvd surround sound if
> > possible?
> 
> It depends on which live card you have.
> 
> First of all, OSS may work without a hitch, but I don't use it and
> haven't for several years, though at one point I did have AC3
> passthrough working with the OSS emu10k1 driver.  I'd recommend it
> before trying ALSA if you just want to get something working.
> 
> If that doesn't work, or you want to try ALSA out, first install the
> latest ALSA (1.0.7?), ls /dev/snd/ and see if you have the following:
> 
> controlC0
> controlC1
> controlC2
> controlC3
> hwC0D0
> midiC0D0
> pcmC0D0c
> pcmC0D0p
> pcmC0D1c
> pcmC0D2c
> pcmC0D2p
> timer
> 
> If so, cat /proc/asound/card0/codec97#0/ac97#0-0.  If you have
> something like
> 
> 0-0/0: SigmaTel STAC9721/23
> 
> Capabilities     :
> DAC resolution   : 18-bit
> ADC resolution   : 18-bit
> 3D enhancement   : SigmaTel 3D Enhancement
> 
> Current setup
> Mic gain         : +0dB [+0dB]
> POP path         : pre 3D
> Sim. stereo      : off
> 3D enhancement   : off
> Loudness         : off
> Mono output      : MIX
> Mic select       : Mic1
> ADC/DAC loopback : off
> Extended ID      : codec=0 rev=0 AMAP DSA=0
> Extended status  : SDAC
> 
> then we've got the same card and I can hook you up. :) FWIW, it took
> me about a week of tinkering to get this config to work properly, and
> while I *think* I understand it now, working with ALSA is something
> like quantum mechanics: if you look at it the wrong way, you
> irrevocably disturb the system. :)
> 
> Cheers,
> Kyle
>