> avail = snd_pcm_avail_update(pcm);
> while (avail > 0) {
> frames = min(avail, block_size);
> snd_pcm_mmap_begin(pcm, areas, &offset, &frames);
> process(frames);
> snd_pcm_mmap_commit(pcm, offset, frames);
> avail -= frames;
> }
I missed something:
frames = min(avail, block_size);
OK, this work. I didn't realize that mmap_begin() would be willing to
limit the amount of data it indicated was available.
--p
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