James wrote:
> $ speaker-test -D iec958 -c 6
> ...
> Channels count (6) not available for playbacks: Invalid argument
S/PDIF does not support uncompressed surround sound; you have to play
stereo data (use "-c 2") or AC-3/DTS-compressed data.
Best regards,
Clemens
---
Floris wrote:
> Is there a way to encode a file on the fly?
http://wiki.alsa-project.org/main/index.php/A52_plugin
HTH
Clemens
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My digital sound broke again :-(
I like Gentoo because it updates alot but I hate it because it breaks my
digital sound alot. :-(
I am using the 2.6.28.2 kernel and alsa 1.0.19
$ aplay -l
List of PLAYBACK Hardware Devices
card 0: NVidia [HDA NVidia], device 0: ALC888 Analog [ALC888 Analo
Please,
I'm developing an application that receives many independent audio
streams from networks to be played simultaneously (voice-conferencing).
There is one thread for each network connection that provides the audio
samples.
The trouble here is that since all the streams are suposed to be pl
Interesting, I don't have that audio filter. Perhaps it isn't
compiled into my build of mplayer (ubuntu 8.10, 1.0rc2-4.3.2)
Do you have ffmpeg installed? It looks like that may be your problem.
Kyle
On Wed, Jan 28, 2009 at 9:00 AM, Floris wrote:
> Is there a way to encode a file on the fly?
>
Ghislain Leveque wrote:
> # front output (found in the recipe)
> pcm.out12 {
> type plug
> slave {
> pcm "dshare"
> channels 4
> }
> ttable.0.0 1
> ttable.1.1 1
> }
> I now have to find how to setup the 8 outputs...
I guess you'd need to use "channels 8" instead
Is there a way to encode a file on the fly?
I tried the -af lavcac3enc option in mplayer, but I get an error:
$mplayer chan-id.wav -ao alsa:device=spdif -af lavcac3enc=1
MPlayer dev-SVN-r26940
CPU: Intel(R) Pentium(R) 4 CPU 3.60GHz (Family: 15, Model: 4,
Stepping: 3)
CPUflags: M
Floris,
>From what I understand, you can fit only 2 uncompressed audio channels
over a spdif connection. In order to handle more channels, it must be
compressed and then transferred as a data stream, like DTS or AC3.
Kyle
On Wed, Jan 28, 2009 at 7:51 AM, Floris wrote:
> Maybe a simple question
Maybe a simple question, but is it possible to
play a 6 channel wav file over a spdif connection?
$aplay -L
...
iec958:CARD=Audigy2,DEV=0
Audigy 2 ZS [2001], ADC Capture/Standard PCM Playback
IEC958 (S/PDIF) Digital Audio Output
...
sample file
http://www.halfgaar.net/media/chan-id.zip
Henrik Enblom a écrit :
>
> Changing "channels 4" to "channels 8" in all slaves should do it, I
> think, but it's rather strange that you don't get any channel count
> errors.
>>
>> I now have to find how to setup the 8 outputs...
>>
Yes, I managed to do it, I posted the asoundrc file there :
h
Eliot Blennerhassett a écrit :
What I'm looking at is to be able to play differents sounds to different
outputs.
http://alsa.opensrc.org/index.php/.asoundrc#Splitting_front_and_rear_outputs
yes ! thanks for your help
using this recipe, I managed to play on the front OR the rear output
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