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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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11
src/pcm/pcm_shm.c
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@ -435,12 +435,15 @@ static snd_pcm_sframes_t snd_pcm_shm_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t fr
return snd_pcm_shm_action(pcm);
}
static snd_pcm_sframes_t snd_pcm_shm_mmap_forward(snd_pcm_t *pcm, snd_pcm_uframes_t size)
static snd_pcm_sframes_t snd_pcm_shm_mmap_commit(snd_pcm_t *pcm,
snd_pcm_uframes_t offset ATTRIBUTE_UNUSED,
snd_pcm_uframes_t size)
{
snd_pcm_shm_t *shm = pcm->private_data;
volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
ctrl->cmd = SND_PCM_IOCTL_MMAP_FORWARD;
ctrl->u.mmap_forward.frames = size;
ctrl->cmd = SND_PCM_IOCTL_MMAP_COMMIT;
ctrl->u.mmap_commit.offset = offset;
ctrl->u.mmap_commit.frames = size;
return snd_pcm_shm_action(pcm);
}
@ -510,7 +513,7 @@ snd_pcm_fast_ops_t snd_pcm_shm_fast_ops = {
readi: snd_pcm_mmap_readi,
readn: snd_pcm_mmap_readn,
avail_update: snd_pcm_shm_avail_update,
mmap_forward: snd_pcm_shm_mmap_forward,
mmap_commit: snd_pcm_shm_mmap_commit,
};
static int make_local_socket(const char *filename)