linuxaudio.org

Gabriel M. Beddingfield wrote:

quoted text
> I've set alsa to wake me up every N frames.

Setting the period size makes this possible.  The avail_min parameter

only prevents waveups when less than N frames are available.
> However, when I awake, I find that I often have fewer than N frames

quoted text
> available:

>

>    snd_pcm_sw_params_set_avail_min (playback_handle, sw_params, N)

>

>       err = snd_pcm_wait(playback_handle, 1000);

>       frames_to_deliver = snd_pcm_avail_update(playback_handle);

>       assert(frames_to_deliver >= N);

In theory, this should work.  Which PCM plugin (device name) are you

using?
Regards,

Clemens

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