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Added support for different mmap areas when running or stopped. Cleanings

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This commit is contained in:
Abramo Bagnara 2000-10-07 16:59:48 +00:00
parent b95bc05d81
commit 5b3e5e6c74
16 changed files with 247 additions and 161 deletions
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17
src/pcm/pcm_route.c
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@ -572,7 +572,7 @@ static ssize_t snd_pcm_route_write_areas(snd_pcm_t *pcm,
while (xfer < size) {
size_t frames = snd_pcm_mmap_playback_xfer(slave, size - xfer);
route_transfer(areas, offset,
slave->mmap_areas, snd_pcm_mmap_offset(slave),
snd_pcm_mmap_areas(slave), snd_pcm_mmap_offset(slave),
frames, route->schannels, &route->params);
err = snd_pcm_mmap_forward(slave, frames);
if (err < 0)
@ -600,14 +600,15 @@ static int snd_pcm_route_channel_setup(snd_pcm_t *pcm, snd_pcm_channel_setup_t *
return err;
#endif
if (pcm->setup.mmap_shape == SND_PCM_MMAP_INTERLEAVED) {
setup->area.addr = pcm->mmap_data;
setup->area.first = setup->channel * pcm->bits_per_sample;
setup->area.step = pcm->bits_per_frame;
setup->running_area.addr = pcm->mmap_data;
setup->running_area.first = setup->channel * pcm->bits_per_sample;
setup->running_area.step = pcm->bits_per_frame;
} else {
setup->area.addr = pcm->mmap_data + setup->channel * pcm->setup.buffer_size * pcm->bits_per_sample / 8;
setup->area.first = 0;
setup->area.step = pcm->bits_per_sample;
setup->running_area.addr = pcm->mmap_data + setup->channel * pcm->setup.buffer_size * pcm->bits_per_sample / 8;
setup->running_area.first = 0;
setup->running_area.step = pcm->bits_per_sample;
}
setup->stopped_area = setup->running_area;
return 0;
}
@ -626,7 +627,7 @@ static ssize_t snd_pcm_route_read_areas(snd_pcm_t *pcm,
assert(size > 0);
while (xfer < size) {
size_t frames = snd_pcm_mmap_capture_xfer(slave, size - xfer);
route_transfer(slave->mmap_areas, snd_pcm_mmap_offset(slave),
route_transfer(snd_pcm_mmap_areas(slave), snd_pcm_mmap_offset(slave),
areas, offset,
frames, route->cchannels, &route->params);
err = snd_pcm_mmap_forward(slave, frames);