On Thursday 16 January 2003 11:19, Takashi Iwai wrote:
> At Thu, 16 Jan 2003 10:55:37 +0100,
>
> Guido Bakker wrote:
> > > > > > i'm trying to use the optical out of my terratec dmx xfire 1024
> > > > > > with an ac3 stream.
> > > > > >
> > > > > > root@thebox:~/alsa/alsa-tools-0.9.0rc6/ac3dec# ./ac3dec -C
> > > > > > test.ac3 Using PCM device
> > > > > > 'iec958:AES0=0x2,AES1=0x82,AES2=0x0,AES3=0x2' ALSA lib
> > > > > > pcm.c:1719:(snd_pcm_open_conf) Invalid type for PCM
> > > > > > iec958:AES0=0x2,AES1=0x82,AES2=0x0,AES3=0x2 definition (id:
> > > > > > iec958, value: cards.pcm.iec958)
> > > > > > snd_pcm_open: Invalid argument
> > > > > > Output open failed
> > > > > >
> > > > > > i'm getting this error, any ideas?
> > > > > >
> > > > > > i'm running alsa rc6.
> > > > >
> > > > > try the cvs version.
> > > > > should have been already fixed.
> > > >
> > > > I'm now stuck to 2ch ac3 only.
> > > >
> > > > Forced audio codec: hwac3
> > > > Opening audio decoder: [hwac3] AC3 pass-through SP/DIF
> > > > No accelerated IMDCT transform found
> > > > AUDIO: 48000 Hz, 2 ch, 16 bit (0x400), ratio: 56000->192000 (448.0
> > > > kbit) Selected audio codec: [hwac3] afm:hwac3 (AC3 through SPDIF)
> > > >
> > > > alsa-init: testing and bugreports are welcome.
> > > > alsa-init: requested format: 48000 Hz, 2 channels, AC3
> > > > alsa-init: soundcard set to
> > > > iec958:AES0=0x2,AES1=0x82,AES2=0x0,AES3=0x2 alsa9: 48000 Hz/2
> > > > channels/4 bpf/32768 bytes buffer/Signed 16 bit Little Endian
> > > > AO: [alsa9] 48000Hz 2ch AC3
> > > > Building audio filter chain for 48000Hz/2ch/16bit ->
> > > > 48000Hz/2ch/8bit... [format] Sample format big endian AC3 not yet
> > > > supported
> > >
> > > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > >
> > > i guess the file is corrupt or you forgot byte-swapping.
> >
> > When i use the same file on a sb live 1024, it works fine.
>
> what about running ac3dec without -C option (i.e. analog two
> channels)? it must work correctly regardless of spdif support.
That just plays it fine but in stereo.
--
Guido Bakker
Interne Automatisering
Sogeti Nederland B.V.
T: +31 (0)20 660 66 00 + nakiesnummer 0281
e-mail: [EMAIL PROTECTED]
Let's call it an accidental feature.
-- Larry Wall
-------------------------------------------------------
This SF.NET email is sponsored by: FREE SSL Guide from Thawte
are you planning your Web Server Security? Click here to get a FREE
Thawte SSL guide and find the answers to all your SSL security issues.
http://ads.sourceforge.net/cgi-bin/redirect.pl?thaw0026en
_______________________________________________
Alsa-devel mailing list
[EMAIL PROTECTED]
https://lists.sourceforge.net/lists/listinfo/alsa-devel
