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Date: Mon, 11 Apr 2011 16:40:15 GMT
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To: freebsd-multimedia@FreeBSD.org
From: Hans Petter Selasky <hselasky@c2i.net>
Cc: 
Subject: Re: kern/152622: [pcm] uaudio recording problem
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The following reply was made to PR kern/152622; it has been noted by GNATS.

From: Hans Petter Selasky <hselasky@c2i.net>
To: Thierry Thomas <thierry@freebsd.org>
Cc: freebsd-multimedia@freebsd.org,
 FreeBSD-gnats-submit@freebsd.org
Subject: Re: kern/152622: [pcm] uaudio recording problem
Date: Mon, 11 Apr 2011 18:38:16 +0200

 On Monday 11 April 2011 18:27:21 Thierry Thomas wrote:
 > On mon 11 apr 11 at 17:47:37 +0200, Hans Petter Selasky <hselasky@c2i.net>
 > 
 >  wrote:
 > > Hi,
 > 
 > Hello,
 > 
 > > > uaudio_chan_record_callback: transferred 0 bytes Apr 10 14:33:05 graf
 > > > last message repeated 623 times
 > > 
 > > Your device does not generate any data for recording.
 > > 
 > > Try setting:
 > > 
 > > sysctl hw.usb.uaudio.default_rate
 > > 
 > > To: 16000 or 32000
 > > 
 > > Then replug your device and re-test.
 > 
 > Still no success:
 > 
 > # sysctl hw.usb.uaudio.default_rate=16000
 > hw.usb.uaudio.default_rate: 0 -> 16000
 > # dd if=/dev/dsp1.0 of=/dev/dsp0.0 bs=64
 > dd: /dev/dsp1.0: Invalid argument
 > 0+0 records in
 > 0+0 records out
 > 0 bytes transferred in 5.000237 secs (0 bytes/sec)
 > # sysctl hw.usb.uaudio.default_rate=32000
 
 Did you reply the device after setting the sysctl. It should show a different 
 rate.
 
 > hw.usb.uaudio.default_rate: 16000 -> 32000
 > # dd if=/dev/dsp1.0 of=/dev/dsp0.0 bs=64
 > dd: /dev/dsp1.0: Invalid argument
 > 0+0 records in
 > 0+0 records out
 > 0 bytes transferred in 5.002866 secs (0 bytes/sec)
 > 
 
 --HPS