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Removed snd_pcm_hwptr().

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Added snd_pcm_hwdiff() and snd_pcm_forward().
Returned the behaviour for snd_pcm_mmap_begin().
This commit is contained in:
Jaroslav Kysela 2003-02-22 17:19:02 +00:00
parent fbd99fdec0
commit 2dab1dfbc3
17 changed files with 327 additions and 246 deletions
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36
src/pcm/pcm_jack.c
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@ -185,24 +185,6 @@ static int snd_pcm_jack_hwsync(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
return 0;
}
static int snd_pcm_jack_hwptr(snd_pcm_t *pcm, snd_pcm_uframes_t *hwptr)
{
#ifdef PCM_JACK_DEBUG
printf("snd_pcm_jack_hwptr\n"); fflush(stdout);
#endif
switch (snd_pcm_state(pcm)) {
case SND_PCM_STATE_RUNNING:
case SND_PCM_STATE_DRAINING:
case SND_PCM_STATE_PREPARED:
case SND_PCM_STATE_PAUSED:
case SND_PCM_STATE_SUSPENDED:
*hwptr = *pcm->hw.ptr;
return 0;
default:
return -EBADFD;
}
}
static int snd_pcm_jack_delay(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_sframes_t *delayp)
{
#ifdef PCM_JACK_DEBUG
@ -460,6 +442,22 @@ static snd_pcm_sframes_t snd_pcm_jack_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t f
return frames;
}
static snd_pcm_sframes_t snd_pcm_jack_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
{
snd_pcm_sframes_t avail;
#ifdef PCM_JACK_DEBUG
printf("snd_pcm_jack_forward\n"); fflush(stdout);
#endif
avail = snd_pcm_mmap_avail(pcm);
if (avail < 0)
return 0;
if (frames > (snd_pcm_uframes_t) avail)
frames = (snd_pcm_uframes_t) avail;
snd_pcm_mmap_appl_forward(pcm, frames);
return frames;
}
static int snd_pcm_jack_resume(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
{
return 0;
@ -611,7 +609,6 @@ static snd_pcm_fast_ops_t snd_pcm_jack_fast_ops = {
status: snd_pcm_jack_status,
state: snd_pcm_jack_state,
hwsync: snd_pcm_jack_hwsync,
hwptr: snd_pcm_jack_hwptr,
delay: snd_pcm_jack_delay,
prepare: snd_pcm_jack_prepare,
reset: snd_pcm_jack_reset,
@ -620,6 +617,7 @@ static snd_pcm_fast_ops_t snd_pcm_jack_fast_ops = {
drain: snd_pcm_jack_drain,
pause: snd_pcm_jack_pause,
rewind: snd_pcm_jack_rewind,
forward: snd_pcm_jack_forward,
resume: snd_pcm_jack_resume,
writei: snd_pcm_mmap_writei,
writen: snd_pcm_mmap_writen,