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implemented snd_pcm_rewindable() and snd_pcm_forwardable(), removed can_rewind and can_forward

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This commit is contained in:
Jaroslav Kysela 2008-04-21 12:46:50 +02:00
parent 058dde8b7d
commit c88672d86f
17 changed files with 212 additions and 55 deletions
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12
src/pcm/pcm_dmix.c
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@ -649,6 +649,11 @@ static int snd_pcm_dmix_pause(snd_pcm_t *pcm ATTRIBUTE_UNUSED, int enable ATTRIB
return -EIO;
}
static snd_pcm_sframes_t snd_pcm_dmix_rewindable(snd_pcm_t *pcm)
{
return snd_pcm_mmap_hw_avail(pcm);
}
static snd_pcm_sframes_t snd_pcm_dmix_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
{
snd_pcm_direct_t *dmix = pcm->private_data;
@ -723,6 +728,11 @@ static snd_pcm_sframes_t snd_pcm_dmix_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t f
return result + frames;
}
static snd_pcm_sframes_t snd_pcm_dmix_forwardable(snd_pcm_t *pcm)
{
return snd_pcm_mmap_avail(pcm);
}
static snd_pcm_sframes_t snd_pcm_dmix_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
{
snd_pcm_sframes_t avail;
@ -885,7 +895,9 @@ static snd_pcm_fast_ops_t snd_pcm_dmix_fast_ops = {
.drop = snd_pcm_dmix_drop,
.drain = snd_pcm_dmix_drain,
.pause = snd_pcm_dmix_pause,
.rewindable = snd_pcm_dmix_rewindable,
.rewind = snd_pcm_dmix_rewind,
.forwardable = snd_pcm_dmix_forwardable,
.forward = snd_pcm_dmix_forward,
.resume = snd_pcm_direct_resume,
.link = NULL,