From: Clemens Ladisch <ladischc@informatik.uni-halle.de>
To: Steve deRosier <derosier@pianodisc.com>
Cc: Alsa-Devel <alsa-devel@lists.sourceforge.net>
Subject: Re: hw pause in USB
Date: Tue, 13 Dec 2005 10:16:51 +0100 [thread overview]
Message-ID: <20051213091651.GA23938@turing.informatik.uni-halle.de> (raw)
In-Reply-To: <439E2735.4060700@pianodisc.com>
Steve deRosier wrote:
> When running my player via commandline and pressing pause, I get the
> following error message out of ALSA lib:
>
> ALSA lib pcm_hw.c:535:(snd_pcm_hw_pause) SNDRV_PCM_IOCTL_PAUSE failed:
> Function not implemented
>
> I'm guessing that the USB driver doesn't implement pause.
Yes.
> My program implements pause by calling snd_pcm_pause( hPCM, 1 );.
You cannot call snd_pcm_pause() when the device doesn't support it
(it should have returned an error code).
See snd_pcm_hw_params_can_pause().
> * Is there a better way to implement pause in my client program?
snd_pcm_stop()
HTH
Clemens
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next prev parent reply other threads:[~2005-12-13 9:16 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-13 1:43 hw pause in USB Steve deRosier
2005-12-13 9:16 ` Clemens Ladisch [this message]
2005-12-13 11:14 ` Takashi Iwai
2005-12-13 17:31 ` Steve deRosier
2005-12-13 18:20 ` Takashi Iwai
2005-12-28 23:37 Steve DeRosier
2006-01-04 0:19 ` Steve deRosier
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