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Better PCM mmap API. Fixed pcm_multi

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This commit is contained in:
Abramo Bagnara 2001-04-13 15:40:53 +00:00
parent c4f95f48c3
commit 6a3b962d06
16 changed files with 279 additions and 279 deletions
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8
src/pcm/pcm_meter.c
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@ -385,11 +385,13 @@ static snd_pcm_sframes_t snd_pcm_meter_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t
return err;
}
static snd_pcm_sframes_t snd_pcm_meter_mmap_forward(snd_pcm_t *pcm, snd_pcm_uframes_t size)
static snd_pcm_sframes_t snd_pcm_meter_mmap_commit(snd_pcm_t *pcm,
snd_pcm_uframes_t offset,
snd_pcm_uframes_t size)
{
snd_pcm_meter_t *meter = pcm->private_data;
snd_pcm_uframes_t old_rptr = *pcm->appl_ptr;
snd_pcm_sframes_t result = snd_pcm_mmap_forward(meter->slave, size);
snd_pcm_sframes_t result = snd_pcm_mmap_commit(meter->slave, offset, size);
if (result <= 0)
return result;
if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
@ -594,7 +596,7 @@ snd_pcm_fast_ops_t snd_pcm_meter_fast_ops = {
readi: snd_pcm_mmap_readi,
readn: snd_pcm_mmap_readn,
avail_update: snd_pcm_meter_avail_update,
mmap_forward: snd_pcm_meter_mmap_forward,
mmap_commit: snd_pcm_meter_mmap_commit,
};
int snd_pcm_meter_open(snd_pcm_t **pcmp, const char *name, unsigned int frequency,