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Completed PCM documentation

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This commit is contained in:
Abramo Bagnara 2001-03-24 16:14:44 +00:00
parent 10a2d4267f
commit ddc9a186cf
13 changed files with 2899 additions and 1320 deletions
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33
src/pcm/pcm_mmap.c
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@ -44,24 +44,6 @@ size_t page_align(size_t size)
return size;
}
const snd_pcm_channel_area_t *snd_pcm_mmap_running_areas(snd_pcm_t *pcm)
{
return pcm->running_areas;
}
const snd_pcm_channel_area_t *snd_pcm_mmap_stopped_areas(snd_pcm_t *pcm)
{
return pcm->stopped_areas;
}
const snd_pcm_channel_area_t *snd_pcm_mmap_areas(snd_pcm_t *pcm)
{
if (pcm->stopped_areas &&
snd_pcm_state(pcm) != SND_PCM_STATE_RUNNING)
return pcm->stopped_areas;
return pcm->running_areas;
}
snd_pcm_uframes_t snd_pcm_mmap_playback_xfer(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
{
snd_pcm_uframes_t cont;
@ -86,21 +68,6 @@ snd_pcm_uframes_t snd_pcm_mmap_capture_xfer(snd_pcm_t *pcm, snd_pcm_uframes_t fr
return frames;
}
snd_pcm_uframes_t snd_pcm_mmap_xfer(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
{
assert(pcm);
if (pcm->stream == SND_PCM_STREAM_PLAYBACK)
return snd_pcm_mmap_playback_xfer(pcm, frames);
else
return snd_pcm_mmap_capture_xfer(pcm, frames);
}
snd_pcm_uframes_t snd_pcm_mmap_offset(snd_pcm_t *pcm)
{
assert(pcm);
return *pcm->appl_ptr % pcm->buffer_size;
}
snd_pcm_uframes_t snd_pcm_mmap_hw_offset(snd_pcm_t *pcm)
{
assert(pcm);