[alsa-devel] Help-Pause/Resume API

Sudeept Prusti sudeeptp at tataelxsi.co.in
Tue May 5 13:15:57 CEST 2009

Hi Clemens,
Thanks a lot. I will use these API to test.
Best regards,


From: Clemens Ladisch [mailto:clemens at ladisch.de]
Sent: Tue 5/5/2009 4:38 PM
To: Sudeept Prusti
Cc: alsa-devel at alsa-project.org
Subject: Re: [alsa-devel] Help-Pause/Resume API

Sudeept Prusti wrote:
> Can anyone educate me which alsa-lib API used for pause and resume.
> I have a minimal alsa code for pcm playback and i need the needed API
> for test pause and resume feature on pcm playback.

First, to check whether the device supports pausing, one should call
snd_pcm_hw_params_can_pause() after calling snd_pcm_hw_params().
However, in your case, you already know this for your device.

To pause or resume a stream, call snd_pcm_pause(pcm, 1) or ...0).


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