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Added rewind to API in place of appl_ptr(). Moved aserver to a better place

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This commit is contained in:
Abramo Bagnara 2000-09-26 09:46:05 +00:00
parent b38376b91f
commit fe92855cbb
17 changed files with 98 additions and 72 deletions
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27
src/pcm/pcm_hw.c
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@ -225,17 +225,22 @@ static int snd_pcm_hw_pause(snd_pcm_t *pcm, int enable)
return 0;
}
static ssize_t snd_pcm_hw_appl_ptr(snd_pcm_t *pcm, off_t offset)
static ssize_t snd_pcm_hw_rewind(snd_pcm_t *pcm, size_t frames)
{
ssize_t result;
snd_pcm_hw_t *hw = pcm->private;
int fd = hw->fd;
if (pcm->mmap_status && pcm->mmap_control)
return snd_pcm_mmap_appl_ptr(pcm, offset);
result = ioctl(fd, SND_PCM_IOCTL_APPL_PTR, offset);
if (result < 0)
return -errno;
return result;
ssize_t used;
if (pcm->setup.xrun_mode == SND_PCM_XRUN_ASAP) {
ssize_t d;
int err = snd_pcm_hw_delay(pcm, &d);
if (err < 0)
return 0;
}
used = pcm->setup.buffer_size - snd_pcm_mmap_avail(pcm);
if (used <= 0)
return 0;
if (frames > (size_t)used)
frames = used;
snd_pcm_mmap_appl_backward(pcm, frames);
return frames;
}
static ssize_t snd_pcm_hw_writei(snd_pcm_t *pcm, const void *buffer, size_t size)
@ -451,7 +456,7 @@ struct snd_pcm_fast_ops snd_pcm_hw_fast_ops = {
stop: snd_pcm_hw_stop,
flush: snd_pcm_hw_flush,
pause: snd_pcm_hw_pause,
appl_ptr: snd_pcm_hw_appl_ptr,
rewind: snd_pcm_hw_rewind,
writei: snd_pcm_hw_writei,
writen: snd_pcm_hw_writen,
readi: snd_pcm_hw_readi,