[alsa-devel] [USB] alsa-lib 1.2.21[a] broke USB audio buffering - regression
shawn.starr at rogers.com
Sat Oct 31 22:20:24 CET 2009
On October 29, 2009 06:49:53 pm Shawn Starr wrote:
> Hello ALSA developers,
> I seem have noticed a problem with USB audio buffering. Prior to using
> *buntu, which uses ALSA 1.2.20 I had no problems with using my USB webcam
> for audio. When I switched to Debian, which uses ALSA 1.2.21a I noticed
> USB audio became choppy.
> The device in question is a QuickCam Pro 9000 webcam.
> I can confirm this to be the case since taking the 1.2.20 source and
> rebuilding it on Debian causes the audio choppiness problem to stop.
The ID in question is:
Bus 002 Device 003: ID 046d:0990 Logitech, Inc. QuickCam Pro 9000
I am looking at .20 and .21[a] code to see what the regression is,
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