[alsa-devel] Help-Pause/Resume API

Clemens Ladisch clemens at ladisch.de
Tue May 5 13:08:00 CEST 2009


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).


HTH
Clemens

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