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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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22
src/pcm/pcm_file.c
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@ -265,6 +265,16 @@ static int snd_pcm_file_drain(snd_pcm_t *pcm)
return err;
}
static snd_pcm_sframes_t snd_pcm_file_rewindable(snd_pcm_t *pcm)
{
snd_pcm_file_t *file = pcm->private_data;
snd_pcm_sframes_t res = snd_pcm_rewindable(pcm);
snd_pcm_sframes_t n = snd_pcm_bytes_to_frames(pcm, file->wbuf_used_bytes);
if (res > n)
res = n;
return res;
}
static snd_pcm_sframes_t snd_pcm_file_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
{
snd_pcm_file_t *file = pcm->private_data;
@ -283,6 +293,16 @@ static snd_pcm_sframes_t snd_pcm_file_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t f
return err;
}
static snd_pcm_sframes_t snd_pcm_file_forwardable(snd_pcm_t *pcm)
{
snd_pcm_file_t *file = pcm->private_data;
snd_pcm_sframes_t res = snd_pcm_forwardable(pcm);
snd_pcm_sframes_t n = snd_pcm_bytes_to_frames(pcm, file->wbuf_size_bytes - file->wbuf_used_bytes);
if (res > n)
res = n;
return res;
}
static snd_pcm_sframes_t snd_pcm_file_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
{
snd_pcm_file_t *file = pcm->private_data;
@ -466,7 +486,9 @@ static snd_pcm_fast_ops_t snd_pcm_file_fast_ops = {
.drop = snd_pcm_file_drop,
.drain = snd_pcm_file_drain,
.pause = snd_pcm_generic_pause,
.rewindable = snd_pcm_file_rewindable,
.rewind = snd_pcm_file_rewind,
.forwardable = snd_pcm_file_forwardable,
.forward = snd_pcm_file_forward,
.resume = snd_pcm_generic_resume,
.link = snd_pcm_generic_link,