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From: Torstein Hegge <hegge@resisty.net>
To: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@alsa-project.org, Daniel Mack <zonque@gmail.com>
Subject: Re: [PATCH] ALSA: usb: Work around CM6631 sample rate change bug
Date: Mon, 4 Mar 2013 22:29:19 +0100	[thread overview]
Message-ID: <20130304212919.GF4452@pvv.ntnu.no> (raw)
In-Reply-To: <s5hlia3ilzx.wl%tiwai@suse.de>

On Mon, Mar 04, 2013 at 09:53:54AM +0100, Takashi Iwai wrote:
> At Sun, 3 Mar 2013 20:29:22 +0100,
> Torstein Hegge wrote:
> > While this does fix the sample rate change problem, it introduces a new
> > problem. With at least one media player application (xbmc) this patch
> > causes the usb sound card to not output sound when starting a video
> > file. Skipping forward or backward in the video stream restores audio
> > output.
> > 
> > I haven't yet been able to look into why this happens, or why xbmc
> > behaves different from mplayer and vlc.
> 
> If the reset of interface is needed only when *changing* SRC, we can
> check the current rate against the previous rate and skip the reset?

That's right. I tried that, and it appears to have solved the issue with
xbmc. I'll clean up that code and send an updated patch.

Thanks.

Torstein

      parent reply	other threads:[~2013-03-04 21:29 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-02 13:04 [PATCH] ALSA: usb: Work around CM6631 sample rate change bug Torstein Hegge
2013-03-02 13:12 ` Daniel Mack
2013-03-03 19:29   ` Torstein Hegge
2013-03-04  8:53     ` Takashi Iwai
2013-03-04 10:31       ` Clemens Ladisch
2013-03-04 21:33         ` Torstein Hegge
2013-03-05  7:55           ` Clemens Ladisch
2013-03-05 10:22             ` Torstein Hegge
2013-03-05 10:35               ` Clemens Ladisch
2013-03-05 21:24                 ` Torstein Hegge
2013-03-05 21:39                   ` Clemens Ladisch
2013-03-04 21:29       ` Torstein Hegge [this message]

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