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Removed xrun_act. Added SND_PCM_STATE_DRAINING. Clean spinlock abuse in read/write path

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This commit is contained in:
Abramo Bagnara 2000-10-02 20:23:28 +00:00
parent 057f56de06
commit 62493ec983
2 changed files with 0 additions and 34 deletions
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32
src/pcm/pcm_mmap.c
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@ -36,38 +36,6 @@ size_t snd_pcm_mmap_avail(snd_pcm_t *pcm)
return 0;
}
static int snd_pcm_mmap_playback_ready(snd_pcm_t *pcm)
{
if (pcm->mmap_status->state == SND_PCM_STATE_XRUN)
return -EPIPE;
return snd_pcm_mmap_playback_avail(pcm) >= pcm->setup.avail_min;
}
static int snd_pcm_mmap_capture_ready(snd_pcm_t *pcm)
{
int ret = 0;
if (pcm->mmap_status->state == SND_PCM_STATE_XRUN) {
ret = -EPIPE;
if (pcm->setup.xrun_act == SND_PCM_XRUN_ACT_DROP)
return -EPIPE;
}
if (snd_pcm_mmap_capture_avail(pcm) >= pcm->setup.avail_min)
return 1;
return ret;
}
int snd_pcm_mmap_ready(snd_pcm_t *pcm)
{
assert(pcm);
assert(pcm->mmap_status && pcm->mmap_control);
assert(pcm->mmap_status->state >= SND_PCM_STATE_PREPARED);
if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
return snd_pcm_mmap_playback_ready(pcm);
} else {
return snd_pcm_mmap_capture_ready(pcm);
}
}
size_t snd_pcm_mmap_playback_xfer(snd_pcm_t *pcm, size_t frames)
{
snd_pcm_mmap_control_t *control = pcm->mmap_control;