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Date: Thu, 04 Nov 2004 19:22:35 -0800
From: Jason Brittain <jason@brittainweb.org>
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Subject: Re: [Qemu-devel] Re: Audio
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To: qemu-devel@nongnu.org

malc wrote:
> On Thu, 4 Nov 2004, Jason Brittain wrote:
> 
>>Jason Brittain wrote:
>>
>>>Ronald wrote:
>>>
>>>>Le Thu, 04 Nov 2004 09:14:42 -0800, Jason Brittain a ?crit :
>>>>
>>>>>I'm not sure if other guests produce audio.  Know how to test this with
>>>>>the dsl iso?
>>>>
>>>>With dsl 0.8.1.1: # modprobe sb io=0x220 irq=5 dma=1 dma16=5 isapnp=0
>>>
>>>This command runs with no complaints, and dmesg says
>>>"SB 4.05 detected OK (220)", so I assume that works, although
>>>dsl doesn't seem to come with any wav files that I can play
>>>to actually test playing sounds.  Maybe I can pull one down
>>>from the net.  But, if it detects and configures the device,
>>>I'd mostly expect it to work.
>>
>>Actually..  I catted /bin/grep > /dev/audio to see if I could
>>hear noise -- that didn't work.  Then, when I shut down dsl I
>>noticed this:
> 
> linux/Documentation/devices.txt
> 
>  14 char	Open Sound System (OSS)
> 		  0 = /dev/mixer	Mixer control
> 		  1 = /dev/sequencer	Audio sequencer
> 		  2 = /dev/midi00	First MIDI port
> 		  3 = /dev/dsp		Digital audio
> 		  4 = /dev/audio	Sun-compatible digital audio
> 
> So it's /dev/dsp where your grep should have been catted to.
> (Sun-audio is probably some uLaw device and there's no support for this
> in current SB16 implementation)

You're quite right.  I tried again, this time with /dev/dsp,
and it works.  With that configuration, I'll see if I can get
XP to recognize the audio device.

-- 
Jason Brittain