mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-11-05 13:30:00 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

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

Browse source
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
Download patch file Download diff file Expand all files Collapse all files

19
src/pcm/pcm_dsnoop.c
View file

@ -313,12 +313,29 @@ static int snd_pcm_dsnoop_pause(snd_pcm_t *pcm ATTRIBUTE_UNUSED, int enable ATTR
return -EIO;
}
static snd_pcm_sframes_t snd_pcm_dsnoop_rewindable(snd_pcm_t *pcm)
{
return snd_pcm_mmap_capture_avail(pcm);
}
static snd_pcm_sframes_t snd_pcm_dsnoop_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
{
snd_pcm_sframes_t avail;
avail = snd_pcm_mmap_capture_avail(pcm);
if (avail < 0)
return 0;
if (frames > (snd_pcm_uframes_t)avail)
frames = avail;
snd_pcm_mmap_appl_backward(pcm, frames);
return frames;
}
static snd_pcm_sframes_t snd_pcm_dsnoop_forwardable(snd_pcm_t *pcm)
{
return snd_pcm_mmap_capture_hw_avail(pcm);
}
static snd_pcm_sframes_t snd_pcm_dsnoop_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
{
snd_pcm_sframes_t avail;
@ -464,7 +481,9 @@ static snd_pcm_fast_ops_t snd_pcm_dsnoop_fast_ops = {
.drop = snd_pcm_dsnoop_drop,
.drain = snd_pcm_dsnoop_drain,
.pause = snd_pcm_dsnoop_pause,
.rewindable = snd_pcm_dsnoop_rewindable,
.rewind = snd_pcm_dsnoop_rewind,
.forwardable = snd_pcm_dsnoop_forwardable,
.forward = snd_pcm_dsnoop_forward,
.resume = snd_pcm_direct_resume,
.link = NULL,