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Added snd_pcm_hwptr() and enhanced snd_pcm_mmap_begin() for no xrun mode.

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This commit is contained in:
Jaroslav Kysela 2003-02-22 10:19:53 +00:00
parent a91efc0fe6
commit fbd99fdec0
17 changed files with 231 additions and 13 deletions
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19
src/pcm/pcm_jack.c
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@ -185,6 +185,24 @@ 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
@ -593,6 +611,7 @@ 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,