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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_ioplug.c
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@ -501,12 +501,22 @@ static int snd_pcm_ioplug_pause(snd_pcm_t *pcm, int enable)
return 0;
}
static snd_pcm_sframes_t snd_pcm_ioplug_rewindable(snd_pcm_t *pcm)
{
return snd_pcm_mmap_hw_avail(pcm);
}
static snd_pcm_sframes_t snd_pcm_ioplug_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
{
snd_pcm_mmap_appl_backward(pcm, frames);
return frames;
}
static snd_pcm_sframes_t snd_pcm_ioplug_forwardable(snd_pcm_t *pcm)
{
return snd_pcm_mmap_avail(pcm);
}
static snd_pcm_sframes_t snd_pcm_ioplug_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
{
snd_pcm_mmap_appl_forward(pcm, frames);
@ -767,7 +777,9 @@ static snd_pcm_fast_ops_t snd_pcm_ioplug_fast_ops = {
.link = NULL,
.link_slaves = NULL,
.unlink = NULL,
.rewindable = snd_pcm_ioplug_rewindable,
.rewind = snd_pcm_ioplug_rewind,
.forwardable = snd_pcm_ioplug_forwardable,
.forward = snd_pcm_ioplug_forward,
.writei = snd_pcm_ioplug_writei,
.writen = snd_pcm_ioplug_writen,