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Implemented snd_pcm_avail() function.

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More documentation updates for snd_pcm_avail_update() and snd_pcm_delay().
Updated behaviour of read/write functions (wait when buffer is full) to
follow kernel.
This commit is contained in:
Jaroslav Kysela 2002-10-11 18:39:24 +00:00
parent 25e41cf1e8
commit e859cf2644
11 changed files with 189 additions and 69 deletions
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7
src/pcm/pcm_null.c
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@ -102,6 +102,12 @@ static snd_pcm_state_t snd_pcm_null_state(snd_pcm_t *pcm)
return null->state;
}
static int snd_pcm_null_avail(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_uframes_t *availp)
{
*availp = pcm->buffer_size;
return 0;
}
static int snd_pcm_null_delay(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_sframes_t *delayp)
{
*delayp = 0;
@ -320,6 +326,7 @@ static snd_pcm_ops_t snd_pcm_null_ops = {
static snd_pcm_fast_ops_t snd_pcm_null_fast_ops = {
status: snd_pcm_null_status,
state: snd_pcm_null_state,
avail: snd_pcm_null_avail,
delay: snd_pcm_null_delay,
prepare: snd_pcm_null_prepare,
reset: snd_pcm_null_reset,