Hi all,
I am trying to access more than one stereo line of a RME DIGI96 Soundcard
with attached Output Expansion Board from my java program. I am using ubuntu
with kernel 2.6.15-26-386, the version of alsa is 1.0.10 and this is the
list aplay -l gives me.
**** Liste von PLAYBACK Geräten ****
Karte 0: V8237 [VIA 8237], Gerät 0: VIA 8237 [VIA 8237]
Untergeordnete Geräte: 4/4
Untergeordnetes Gerät '0: subdevice #0
Untergeordnetes Gerät '1: subdevice #1
Untergeordnetes Gerät '2: subdevice #2
Untergeordnetes Gerät '3: subdevice #3
Karte 0: V8237 [VIA 8237], Gerät 1: VIA 8237 [VIA 8237]
Untergeordnete Geräte: 1/1
Untergeordnetes Gerät '0: subdevice #0
Karte 1: PAD [RME Digi96/8 PAD], Gerät 0: Digi96 IEC958 [Digi96 IEC958]
Untergeordnete Geräte: 1/1
Untergeordnetes Gerät '0: subdevice #0
Karte 1: PAD [RME Digi96/8 PAD], Gerät 1: Digi96 ADAT [Digi96 ADAT]
Untergeordnete Geräte: 1/1
Untergeordnetes Gerät '0: subdevice #0
Using this card with windows XP, my java program shows me 4 stereo channels,
that can be accessed separately. Using this soundcard with linux, only
these list of mixers is accessable:
MIXER 0: V8237 [plughw:0,0], version 1.0.10rc3
OUTPUT LINE 0: interface SourceDataLine supporting 8 audio formats,
and buffers of at least 32 bytes
OUTPUT LINE 1: interface Clip supporting 8 audio formats, and
buffers of at least 32 bytes
INPUT LINE 0: interface TargetDataLine supporting 8 audio formats,
and buffers of at least 32 bytes
MIXER 1: V8237 [plughw:0,1], version 1.0.10rc3
OUTPUT LINE 0: interface SourceDataLine supporting 24 audio formats,
and buffers of at least 32 bytes
OUTPUT LINE 1: interface Clip supporting 24 audio formats, and
buffers of at least 32 bytes
INPUT LINE 0: interface TargetDataLine supporting 8 audio formats,
and buffers of at least 32 bytes
MIXER 2: PAD [plughw:1,0], version 1.0.10rc3
OUTPUT LINE 0: interface SourceDataLine supporting 24 audio formats,
and buffers of at least 32 bytes
OUTPUT LINE 1: interface Clip supporting 24 audio formats, and
buffers of at least 32 bytes
INPUT LINE 0: interface TargetDataLine supporting 24 audio formats,
and buffers of at least 32 bytes
MIXER 3: PAD [plughw:1,1], version 1.0.10rc3
OUTPUT LINE 0: interface SourceDataLine supporting 96 audio formats,
and buffers of at least 32 bytes
OUTPUT LINE 1: interface Clip supporting 96 audio formats, and
buffers of at least 32 bytes
INPUT LINE 0: interface TargetDataLine supporting 96 audio formats,
and buffers of at least 32 bytes
Please note that plughw:1,0 and plughw:1,1 both play sounds on the same (the
standard) output device.
I have also tried various configurations of .asoundrc files, but it seems
that java does not use this config file.
Is there a way to use al 4 stereo output channels from java? It would be
painful to switch to windows, since I need to access more that one stereo
channel....
Thanks and Cheers,
Eduard
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