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Some fixes

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This commit is contained in:
Abramo Bagnara 2000-10-14 21:41:51 +00:00
parent 03f9565ef8
commit 8fb9fab748
1 changed files with 21 additions and 13 deletions
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34
src/pcm/pcm_share.c
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@ -88,12 +88,14 @@ static void snd_pcm_share_interrupt(snd_pcm_share_slave_t *slave)
else {
if (pcm->mode & SND_PCM_ASYNC)
kill(share->async_pid, share->async_sig);
share->hw_ptr = *slave->pcm->hw_ptr;
ready = 0;
}
break;
case SND_PCM_STATE_RUNNING:
if (pcm->mode & SND_PCM_ASYNC)
kill(share->async_pid, share->async_sig);
share->hw_ptr = *slave->pcm->hw_ptr;
ready = (snd_pcm_mmap_avail(pcm) >= pcm->setup.avail_min);
break;
default:
@ -154,6 +156,7 @@ static void snd_pcm_share_stop(snd_pcm_t *pcm, int state)
slave->running_count--;
if (pcm->stream == SND_PCM_STREAM_CAPTURE) {
snd_pcm_avail_update(slave->pcm);
share->hw_ptr = *slave->pcm->hw_ptr;
snd_pcm_areas_copy(pcm->running_areas, 0,
pcm->stopped_areas, 0,
pcm->setup.format.channels, pcm->setup.buffer_size,
@ -189,12 +192,14 @@ static void snd_pcm_share_slave_forward(snd_pcm_share_slave_t *slave)
snd_pcm_t *pcm = share->pcm;
switch (share->state) {
case SND_PCM_STATE_RUNNING:
share->hw_ptr = *slave->pcm->hw_ptr;
break;
case SND_PCM_STATE_DRAINING:
{
size_t a, offset;
if (pcm->stream != SND_PCM_STREAM_PLAYBACK)
continue;
share->hw_ptr = *slave->pcm->hw_ptr;
a = snd_pcm_mmap_avail(pcm);
frames = a - share->draining_silence;
offset = snd_pcm_mmap_offset(pcm);
@ -600,11 +605,11 @@ static ssize_t _snd_pcm_share_mmap_forward(snd_pcm_t *pcm, size_t size)
ret = snd_pcm_rewind(slave->pcm, frames);
if (ret < 0)
return ret;
size += ret;
}
}
snd_pcm_mmap_appl_forward(pcm, size);
snd_pcm_share_slave_forward(share->slave);
if (share->state == SND_PCM_STATE_RUNNING)
snd_pcm_share_slave_forward(share->slave);
return size;
}
@ -650,6 +655,7 @@ static int snd_pcm_share_start(snd_pcm_t *pcm)
share->state = SND_PCM_STATE_RUNNING;
if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
size_t hw_avail = snd_pcm_mmap_playback_hw_avail(pcm);
size_t xfer = 0;
if (hw_avail == 0) {
err = -EPIPE;
goto _end;
@ -666,11 +672,19 @@ static int snd_pcm_share_start(snd_pcm_t *pcm)
assert(share->hw_ptr == 0);
share->hw_ptr = *slave->pcm->hw_ptr;
share->appl_ptr = *slave->pcm->appl_ptr;
snd_pcm_areas_copy(pcm->stopped_areas, 0,
pcm->running_areas, snd_pcm_mmap_offset(pcm),
pcm->setup.format.channels, hw_avail,
pcm->setup.format.sfmt);
_snd_pcm_share_mmap_forward(pcm, pcm->setup.buffer_size);
while (xfer < hw_avail) {
size_t frames = hw_avail - xfer;
size_t offset = snd_pcm_mmap_offset(pcm);
size_t cont = pcm->setup.buffer_size - offset;
if (cont < frames)
frames = cont;
snd_pcm_areas_copy(pcm->stopped_areas, xfer,
pcm->running_areas, offset,
pcm->setup.format.channels, frames,
pcm->setup.format.sfmt);
xfer += frames;
}
_snd_pcm_share_mmap_forward(pcm, hw_avail);
}
if (slave->running_count == 0) {
err = snd_pcm_start(slave->pcm);
@ -895,12 +909,6 @@ static int snd_pcm_share_channels_mask(snd_pcm_t *pcm, bitset_t *cmask)
return 0;
}
int snd_pcm_share_poll_descriptor(snd_pcm_t *pcm)
{
snd_pcm_share_t *share = pcm->private;
return share->client_socket;
}
static void snd_pcm_share_dump(snd_pcm_t *pcm, FILE *fp)
{
snd_pcm_share_t *share = pcm->private;