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Fixed longstanding avail compute bug. Cosmetic fixes

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This commit is contained in:
Abramo Bagnara 2001-02-14 09:36:00 +00:00
parent 31fcb58e9d
commit c71b72ee27
2 changed files with 10 additions and 4 deletions
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9
src/pcm/pcm_local.h
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@ -208,7 +208,9 @@ static inline snd_pcm_uframes_t snd_pcm_mmap_playback_avail(snd_pcm_t *pcm)
{
snd_pcm_sframes_t avail;
avail = *pcm->hw_ptr + pcm->buffer_size - *pcm->appl_ptr;
if (avail < 0)
if (avail >= pcm->boundary)
avail -= pcm->boundary;
else if (avail < 0)
avail += pcm->boundary;
return avail;
}
@ -226,8 +228,11 @@ static inline snd_pcm_uframes_t snd_pcm_mmap_avail(snd_pcm_t *pcm)
{
snd_pcm_sframes_t avail;
avail = *pcm->hw_ptr - *pcm->appl_ptr;
if (pcm->stream == SND_PCM_STREAM_PLAYBACK)
if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
avail += pcm->buffer_size;
if (avail >= pcm->boundary)
avail -= pcm->boundary;
}
if (avail < 0)
avail += pcm->boundary;
return avail;