[vlc-devel] How to indicate the audio device created by saa7134-oss

[David Liontooth]

To record from VLC using a v4l card, I issue

vlc v4l:/dev/video2:norm=ntsc:frequency=77250:size=640x480:channel=5:\
adev=/dev/dsp2:samplerate=32000:audio=0:stop-time=$TIM \
--sout "#transcode{vcodec=h264,fps=29.97,acodec=mpga}\
:std{access=file,mux=asf,dst=$DIR/$FIL.mpg}" aspect-ratio "4:3" -I dummy

I get in response,

/usr/sbin/alsactl: load_state:1250: Cannot find soundcard '2'...
ALSA lib pcm_hw.c:1305:(_snd_pcm_hw_open) Invalid value for card
Error opening audio: No such device

This is true -- there is no soundcard 2 as far as alsa is concerned:

    $ cat /proc/asound/cards

     0 [CK8S           ]: NFORCE - NVidia CK8S
                      NVidia CK8S with ALC850 at 0xfc003000, irq 17

However, /dev/dsp2 exists -- in dmesg I have this, showing that the 
saa7134-oss module has created its device nodes:

saa7134 OSS driver for DMA sound loaded
saa7133[0]: registered device dsp2
saa7133[0]: registered device mixer2

Is there a way to instruct VLC to use an audio device that alsactl 
doesn't see? Or perhaps to make alsactl see it?

David





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