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Renamed samples in frames where appropriated. Added a compatibility hack for gcc 2.7.2.3

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This commit is contained in:
Abramo Bagnara 2000-05-24 21:35:55 +00:00
parent cc5730a49e
commit 9eb2c42445
15 changed files with 365 additions and 361 deletions
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42
include/pcm.h
View file

@ -130,15 +130,15 @@ ssize_t snd_pcm_mmap_write(snd_pcm_t *handle, const void *buffer, size_t size);
ssize_t snd_pcm_mmap_read(snd_pcm_t *handle, void *buffer, size_t size);
ssize_t snd_pcm_mmap_writev(snd_pcm_t *pcm, const struct iovec *vector, unsigned long count);
ssize_t snd_pcm_mmap_readv(snd_pcm_t *pcm, const struct iovec *vector, unsigned long count);
int snd_pcm_mmap_samples_used(snd_pcm_t *pcm, int channel, ssize_t *samples);
int snd_pcm_mmap_samples_free(snd_pcm_t *pcm, int channel, ssize_t *samples);
ssize_t snd_pcm_mmap_samples_xfer(snd_pcm_t *pcm, int channel, size_t samples);
ssize_t snd_pcm_mmap_samples_offset(snd_pcm_t *pcm, int channel);
int snd_pcm_mmap_commit_samples(snd_pcm_t *pcm, int channel, int samples);
ssize_t snd_pcm_mmap_write_areas(snd_pcm_t *pcm, snd_pcm_voice_area_t *voices, size_t samples);
ssize_t snd_pcm_mmap_write_samples(snd_pcm_t *pcm, const void *buffer, size_t samples);
ssize_t snd_pcm_mmap_read_areas(snd_pcm_t *pcm, snd_pcm_voice_area_t *voices, size_t samples);
ssize_t snd_pcm_mmap_read_samples(snd_pcm_t *pcm, const void *buffer, size_t samples);
int snd_pcm_mmap_frames_used(snd_pcm_t *pcm, int channel, ssize_t *frames);
int snd_pcm_mmap_frames_free(snd_pcm_t *pcm, int channel, ssize_t *frames);
ssize_t snd_pcm_mmap_frames_xfer(snd_pcm_t *pcm, int channel, size_t frames);
ssize_t snd_pcm_mmap_frames_offset(snd_pcm_t *pcm, int channel);
int snd_pcm_mmap_commit_frames(snd_pcm_t *pcm, int channel, int frames);
ssize_t snd_pcm_mmap_write_areas(snd_pcm_t *pcm, snd_pcm_voice_area_t *voices, size_t frames);
ssize_t snd_pcm_mmap_write_frames(snd_pcm_t *pcm, const void *buffer, size_t frames);
ssize_t snd_pcm_mmap_read_areas(snd_pcm_t *pcm, snd_pcm_voice_area_t *voices, size_t frames);
ssize_t snd_pcm_mmap_read_frames(snd_pcm_t *pcm, const void *buffer, size_t frames);
int snd_pcm_mmap_get_areas(snd_pcm_t *pcm, int channel, snd_pcm_voice_area_t *areas);
@ -147,13 +147,13 @@ ssize_t snd_pcm_bytes_per_second(snd_pcm_t *pcm, int channel);
int snd_pcm_area_silence(const snd_pcm_voice_area_t *dst_voice, size_t dst_offset,
size_t samples, int format);
int snd_pcm_areas_silence(const snd_pcm_voice_area_t *dst_voices, size_t dst_offset,
size_t vcount, size_t samples, int format);
size_t vcount, size_t frames, int format);
int snd_pcm_area_copy(const snd_pcm_voice_area_t *src_voice, size_t src_offset,
const snd_pcm_voice_area_t *dst_voice, size_t dst_offset,
size_t samples, int format);
int snd_pcm_areas_copy(const snd_pcm_voice_area_t *src_voices, size_t src_offset,
const snd_pcm_voice_area_t *dst_voices, size_t dst_offset,
size_t vcount, size_t samples, int format);
size_t vcount, size_t frames, int format);
/* misc */
@ -211,10 +211,10 @@ struct snd_stru_pcm_plugin {
snd_pcm_format_t dst_format; /* destination format */
int src_width; /* sample width in bits */
int dst_width; /* sample width in bits */
ssize_t (*src_samples)(snd_pcm_plugin_t *plugin, size_t dst_samples);
ssize_t (*dst_samples)(snd_pcm_plugin_t *plugin, size_t src_samples);
ssize_t (*src_frames)(snd_pcm_plugin_t *plugin, size_t dst_frames);
ssize_t (*dst_frames)(snd_pcm_plugin_t *plugin, size_t src_frames);
ssize_t (*client_voices)(snd_pcm_plugin_t *plugin,
size_t samples,
size_t frames,
snd_pcm_plugin_voice_t **voices);
int (*src_voices_mask)(snd_pcm_plugin_t *plugin,
bitset_t *dst_vmask,
@ -225,7 +225,7 @@ struct snd_stru_pcm_plugin {
ssize_t (*transfer)(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples);
size_t frames);
int (*action)(snd_pcm_plugin_t *plugin,
snd_pcm_plugin_action_t action,
unsigned long data);
@ -262,8 +262,8 @@ int snd_pcm_plug_remove_first(snd_pcm_t *handle, int channel);
snd_pcm_plugin_t *snd_pcm_plug_first(snd_pcm_t *handle, int channel);
snd_pcm_plugin_t *snd_pcm_plug_last(snd_pcm_t *handle, int channel);
int snd_pcm_plug_direct(snd_pcm_t *pcm, int channel);
ssize_t snd_pcm_plug_client_samples(snd_pcm_t *handle, int channel, size_t drv_samples);
ssize_t snd_pcm_plug_slave_samples(snd_pcm_t *handle, int channel, size_t clt_samples);
ssize_t snd_pcm_plug_client_frames(snd_pcm_t *handle, int channel, size_t drv_frames);
ssize_t snd_pcm_plug_slave_frames(snd_pcm_t *handle, int channel, size_t clt_frames);
ssize_t snd_pcm_plug_client_size(snd_pcm_t *handle, int channel, size_t drv_size);
ssize_t snd_pcm_plug_slave_size(snd_pcm_t *handle, int channel, size_t clt_size);
@ -271,10 +271,10 @@ ssize_t snd_pcm_plug_slave_size(snd_pcm_t *handle, int channel, size_t clt_size)
* Plug-In helpers
*/
ssize_t snd_pcm_plugin_src_samples_to_size(snd_pcm_plugin_t *plugin, size_t samples);
ssize_t snd_pcm_plugin_dst_samples_to_size(snd_pcm_plugin_t *plugin, size_t samples);
ssize_t snd_pcm_plugin_src_size_to_samples(snd_pcm_plugin_t *plugin, size_t size);
ssize_t snd_pcm_plugin_dst_size_to_samples(snd_pcm_plugin_t *plugin, size_t size);
ssize_t snd_pcm_plugin_src_frames_to_size(snd_pcm_plugin_t *plugin, size_t frames);
ssize_t snd_pcm_plugin_dst_frames_to_size(snd_pcm_plugin_t *plugin, size_t frames);
ssize_t snd_pcm_plugin_src_size_to_frames(snd_pcm_plugin_t *plugin, size_t size);
ssize_t snd_pcm_plugin_dst_size_to_frames(snd_pcm_plugin_t *plugin, size_t size);
/*
* Plug-In constructors

4
src/pcm/pcm.c
View file

@ -179,8 +179,8 @@ int snd_pcm_channel_setup(snd_pcm_t *pcm, snd_pcm_channel_setup_t *setup)
return err;
memcpy(&chan->setup, setup, sizeof(*setup));
chan->sample_width = snd_pcm_format_physical_width(setup->format.format);
chan->bits_per_sample = chan->sample_width * setup->format.voices;
chan->samples_per_frag = setup->frag_size * 8 / chan->bits_per_sample;
chan->bits_per_frame = chan->sample_width * setup->format.voices;
chan->frames_per_frag = setup->frag_size * 8 / chan->bits_per_frame;
chan->valid_setup = 1;
return 0;
}

180
src/pcm/pcm_common.c
View file

@ -59,7 +59,7 @@ static int snd_pcm_plugin_dst_voices_mask(snd_pcm_plugin_t *plugin,
static ssize_t snd_pcm_plugin_side_voices(snd_pcm_plugin_t *plugin,
int client_side,
size_t samples,
size_t frames,
snd_pcm_plugin_voice_t **voices)
{
char *ptr;
@ -80,7 +80,7 @@ static ssize_t snd_pcm_plugin_side_voices(snd_pcm_plugin_t *plugin,
*voices = v;
if ((width = snd_pcm_format_physical_width(format->format)) < 0)
return width;
size = format->voices * samples * width;
size = format->voices * frames * width;
if ((size % 8) != 0)
return -EINVAL;
size /= 8;
@ -104,21 +104,21 @@ static ssize_t snd_pcm_plugin_side_voices(snd_pcm_plugin_t *plugin,
v->area.step = width;
}
}
return samples;
return frames;
}
ssize_t snd_pcm_plugin_client_voices(snd_pcm_plugin_t *plugin,
size_t samples,
size_t frames,
snd_pcm_plugin_voice_t **voices)
{
return snd_pcm_plugin_side_voices(plugin, 1, samples, voices);
return snd_pcm_plugin_side_voices(plugin, 1, frames, voices);
}
ssize_t snd_pcm_plugin_slave_voices(snd_pcm_plugin_t *plugin,
size_t samples,
size_t frames,
snd_pcm_plugin_voice_t **voices)
{
return snd_pcm_plugin_side_voices(plugin, 0, samples, voices);
return snd_pcm_plugin_side_voices(plugin, 0, frames, voices);
}
@ -201,31 +201,31 @@ int snd_pcm_plugin_free(snd_pcm_plugin_t *plugin)
return 0;
}
ssize_t snd_pcm_plugin_src_samples_to_size(snd_pcm_plugin_t *plugin, size_t samples)
ssize_t snd_pcm_plugin_src_frames_to_size(snd_pcm_plugin_t *plugin, size_t frames)
{
ssize_t result;
if (plugin == NULL)
return -EFAULT;
result = samples * plugin->src_format.voices * plugin->src_width;
result = frames * plugin->src_format.voices * plugin->src_width;
if (result % 8 != 0)
return -EINVAL;
return result / 8;
}
ssize_t snd_pcm_plugin_dst_samples_to_size(snd_pcm_plugin_t *plugin, size_t samples)
ssize_t snd_pcm_plugin_dst_frames_to_size(snd_pcm_plugin_t *plugin, size_t frames)
{
ssize_t result;
if (plugin == NULL)
return -EFAULT;
result = samples * plugin->dst_format.voices * plugin->dst_width;
result = frames * plugin->dst_format.voices * plugin->dst_width;
if (result % 8 != 0)
return -EINVAL;
return result / 8;
}
ssize_t snd_pcm_plugin_src_size_to_samples(snd_pcm_plugin_t *plugin, size_t size)
ssize_t snd_pcm_plugin_src_size_to_frames(snd_pcm_plugin_t *plugin, size_t size)
{
ssize_t result;
long tmp;
@ -239,7 +239,7 @@ ssize_t snd_pcm_plugin_src_size_to_samples(snd_pcm_plugin_t *plugin, size_t size
return result / tmp;
}
ssize_t snd_pcm_plugin_dst_size_to_samples(snd_pcm_plugin_t *plugin, size_t size)
ssize_t snd_pcm_plugin_dst_size_to_frames(snd_pcm_plugin_t *plugin, size_t size)
{
ssize_t result;
long tmp;
@ -253,7 +253,7 @@ ssize_t snd_pcm_plugin_dst_size_to_samples(snd_pcm_plugin_t *plugin, size_t size
return result / tmp;
}
ssize_t snd_pcm_plug_client_samples(snd_pcm_plugin_handle_t *handle, int channel, size_t drv_samples)
ssize_t snd_pcm_plug_client_frames(snd_pcm_plugin_handle_t *handle, int channel, size_t drv_frames)
{
snd_pcm_plugin_t *plugin, *plugin_prev, *plugin_next;
@ -262,49 +262,49 @@ ssize_t snd_pcm_plug_client_samples(snd_pcm_plugin_handle_t *handle, int channel
if (channel != SND_PCM_CHANNEL_PLAYBACK &&
channel != SND_PCM_CHANNEL_CAPTURE)
return -EINVAL;
if (drv_samples == 0)
if (drv_frames == 0)
return 0;
if (channel == SND_PCM_CHANNEL_PLAYBACK) {
plugin = snd_pcm_plug_last(handle, SND_PCM_CHANNEL_PLAYBACK);
while (plugin && drv_samples > 0) {
while (plugin && drv_frames > 0) {
plugin_prev = plugin->prev;
if (plugin->src_samples)
drv_samples = plugin->src_samples(plugin, drv_samples);
if (plugin->src_frames)
drv_frames = plugin->src_frames(plugin, drv_frames);
plugin = plugin_prev;
}
} else if (channel == SND_PCM_CHANNEL_CAPTURE) {
plugin = snd_pcm_plug_first(handle, SND_PCM_CHANNEL_CAPTURE);
while (plugin && drv_samples > 0) {
while (plugin && drv_frames > 0) {
plugin_next = plugin->next;
if (plugin->dst_samples)
drv_samples = plugin->dst_samples(plugin, drv_samples);
if (plugin->dst_frames)
drv_frames = plugin->dst_frames(plugin, drv_frames);
plugin = plugin_next;
}
}
return drv_samples;
return drv_frames;
}
ssize_t snd_pcm_plug_slave_samples(snd_pcm_plugin_handle_t *handle, int channel, size_t clt_samples)
ssize_t snd_pcm_plug_slave_frames(snd_pcm_plugin_handle_t *handle, int channel, size_t clt_frames)
{
snd_pcm_plugin_t *plugin, *plugin_prev, *plugin_next;
ssize_t samples;
ssize_t frames;
if (handle == NULL)
return -EFAULT;
if (channel != SND_PCM_CHANNEL_PLAYBACK &&
channel != SND_PCM_CHANNEL_CAPTURE)
return -EINVAL;
if (clt_samples == 0)
if (clt_frames == 0)
return 0;
samples = clt_samples;
frames = clt_frames;
if (channel == SND_PCM_CHANNEL_PLAYBACK) {
plugin = snd_pcm_plug_first(handle, SND_PCM_CHANNEL_PLAYBACK);
while (plugin && samples > 0) {
while (plugin && frames > 0) {
plugin_next = plugin->next;
if (plugin->dst_samples) {
samples = plugin->dst_samples(plugin, samples);
if (samples < 0)
return samples;
if (plugin->dst_frames) {
frames = plugin->dst_frames(plugin, frames);
if (frames < 0)
return frames;
}
plugin = plugin_next;
}
@ -312,15 +312,15 @@ ssize_t snd_pcm_plug_slave_samples(snd_pcm_plugin_handle_t *handle, int channel,
plugin = snd_pcm_plug_last(handle, SND_PCM_CHANNEL_CAPTURE);
while (plugin) {
plugin_prev = plugin->prev;
if (plugin->src_samples) {
samples = plugin->src_samples(plugin, samples);
if (samples < 0)
return samples;
if (plugin->src_frames) {
frames = plugin->src_frames(plugin, frames);
if (frames < 0)
return frames;
}
plugin = plugin_prev;
}
}
return samples;
return frames;
}
ssize_t snd_pcm_plug_client_size(snd_pcm_plugin_handle_t *handle, int channel, size_t drv_size)
@ -339,26 +339,26 @@ ssize_t snd_pcm_plug_client_size(snd_pcm_plugin_handle_t *handle, int channel, s
plugin = snd_pcm_plug_last(handle, SND_PCM_CHANNEL_PLAYBACK);
if (plugin == NULL)
return drv_size;
result = snd_pcm_plugin_dst_size_to_samples(plugin, drv_size);
result = snd_pcm_plugin_dst_size_to_frames(plugin, drv_size);
if (result < 0)
return result;
result = snd_pcm_plug_client_samples(handle, SND_PCM_CHANNEL_PLAYBACK, result);
result = snd_pcm_plug_client_frames(handle, SND_PCM_CHANNEL_PLAYBACK, result);
if (result < 0)
return result;
plugin = snd_pcm_plug_first(handle, SND_PCM_CHANNEL_PLAYBACK);
result = snd_pcm_plugin_src_samples_to_size(plugin, result);
result = snd_pcm_plugin_src_frames_to_size(plugin, result);
} else if (channel == SND_PCM_CHANNEL_CAPTURE) {
plugin = snd_pcm_plug_first(handle, SND_PCM_CHANNEL_CAPTURE);
if (plugin == NULL)
return drv_size;
result = snd_pcm_plugin_src_size_to_samples(plugin, drv_size);
result = snd_pcm_plugin_src_size_to_frames(plugin, drv_size);
if (result < 0)
return result;
result = snd_pcm_plug_client_samples(handle, SND_PCM_CHANNEL_CAPTURE, result);
result = snd_pcm_plug_client_frames(handle, SND_PCM_CHANNEL_CAPTURE, result);
if (result < 0)
return result;
plugin = snd_pcm_plug_last(handle, SND_PCM_CHANNEL_CAPTURE);
result = snd_pcm_plugin_dst_samples_to_size(plugin, result);
result = snd_pcm_plugin_dst_frames_to_size(plugin, result);
}
return result;
}
@ -379,26 +379,26 @@ ssize_t snd_pcm_plug_slave_size(snd_pcm_plugin_handle_t *handle, int channel, si
plugin = snd_pcm_plug_first(handle, SND_PCM_CHANNEL_PLAYBACK);
if (plugin == NULL)
return clt_size;
result = snd_pcm_plugin_src_size_to_samples(plugin, clt_size);
result = snd_pcm_plugin_src_size_to_frames(plugin, clt_size);
if (result < 0)
return result;
result = snd_pcm_plug_slave_samples(handle, SND_PCM_CHANNEL_PLAYBACK, result);
result = snd_pcm_plug_slave_frames(handle, SND_PCM_CHANNEL_PLAYBACK, result);
if (result < 0)
return result;
plugin = snd_pcm_plug_last(handle, SND_PCM_CHANNEL_PLAYBACK);
result = snd_pcm_plugin_dst_samples_to_size(plugin, result);
result = snd_pcm_plugin_dst_frames_to_size(plugin, result);
} else if (channel == SND_PCM_CHANNEL_CAPTURE) {
plugin = snd_pcm_plug_last(handle, SND_PCM_CHANNEL_CAPTURE);
if (plugin == NULL)
return clt_size;
result = snd_pcm_plugin_dst_size_to_samples(plugin, clt_size);
result = snd_pcm_plugin_dst_size_to_frames(plugin, clt_size);
if (result < 0)
return result;
result = snd_pcm_plug_slave_samples(handle, SND_PCM_CHANNEL_CAPTURE, result);
result = snd_pcm_plug_slave_frames(handle, SND_PCM_CHANNEL_CAPTURE, result);
if (result < 0)
return result;
plugin = snd_pcm_plug_first(handle, SND_PCM_CHANNEL_CAPTURE);
result = snd_pcm_plugin_src_samples_to_size(plugin, result);
result = snd_pcm_plugin_src_frames_to_size(plugin, result);
}
return result;
}
@ -1054,87 +1054,87 @@ ssize_t snd_pcm_plug_write_transfer(snd_pcm_plugin_handle_t *handle, snd_pcm_plu
{
snd_pcm_plugin_t *plugin, *next;
snd_pcm_plugin_voice_t *dst_voices;
ssize_t samples;
ssize_t frames;
int err;
if ((err = snd_pcm_plug_playback_disable_useless_voices(handle, src_voices)) < 0)
return err;
plugin = snd_pcm_plug_first(handle, SND_PCM_CHANNEL_PLAYBACK);
samples = snd_pcm_plugin_src_size_to_samples(plugin, size);
if (samples < 0)
return samples;
while (plugin && samples > 0) {
frames = snd_pcm_plugin_src_size_to_frames(plugin, size);
if (frames < 0)
return frames;
while (plugin && frames > 0) {
if ((next = plugin->next) != NULL) {
ssize_t samples1 = samples;
if (plugin->dst_samples)
samples1 = plugin->dst_samples(plugin, samples);
if ((err = next->client_voices(next, samples1, &dst_voices)) < 0) {
ssize_t frames1 = frames;
if (plugin->dst_frames)
frames1 = plugin->dst_frames(plugin, frames);
if ((err = next->client_voices(next, frames1, &dst_voices)) < 0) {
snd_pcm_plug_buf_unlock(handle, SND_PCM_CHANNEL_PLAYBACK, src_voices->aptr);
return err;
}
if (err != samples1) {
samples = err;
if (plugin->src_samples)
samples = plugin->src_samples(plugin, samples1);
if (err != frames1) {
frames = err;
if (plugin->src_frames)
frames = plugin->src_frames(plugin, frames1);
}
} else {
if ((err = snd_pcm_plugin_slave_voices(plugin, samples, &dst_voices)) < 0)
if ((err = snd_pcm_plugin_slave_voices(plugin, frames, &dst_voices)) < 0)
return err;
}
pdprintf("write plugin: %s, %i\n", plugin->name, samples);
if ((samples = plugin->transfer(plugin, src_voices, dst_voices, samples)) < 0) {
pdprintf("write plugin: %s, %i\n", plugin->name, frames);
if ((frames = plugin->transfer(plugin, src_voices, dst_voices, frames)) < 0) {
snd_pcm_plug_buf_unlock(handle, SND_PCM_CHANNEL_PLAYBACK, src_voices->aptr);
snd_pcm_plug_buf_unlock(handle, SND_PCM_CHANNEL_PLAYBACK, dst_voices->aptr);
return samples;
return frames;
}
snd_pcm_plug_buf_unlock(handle, SND_PCM_CHANNEL_PLAYBACK, src_voices->aptr);
src_voices = dst_voices;
plugin = next;
}
snd_pcm_plug_buf_unlock(handle, SND_PCM_CHANNEL_PLAYBACK, src_voices->aptr);
samples = snd_pcm_plug_client_samples(handle, SND_PCM_CHANNEL_PLAYBACK, samples);
if (samples < 0)
return samples;
return snd_pcm_plugin_src_samples_to_size(snd_pcm_plug_first(handle, SND_PCM_CHANNEL_PLAYBACK), samples);
frames = snd_pcm_plug_client_frames(handle, SND_PCM_CHANNEL_PLAYBACK, frames);
if (frames < 0)
return frames;
return snd_pcm_plugin_src_frames_to_size(snd_pcm_plug_first(handle, SND_PCM_CHANNEL_PLAYBACK), frames);
}
ssize_t snd_pcm_plug_read_transfer(snd_pcm_plugin_handle_t *handle, snd_pcm_plugin_voice_t *dst_voices_final, size_t size)
{
snd_pcm_plugin_t *plugin, *next;
snd_pcm_plugin_voice_t *src_voices, *dst_voices;
ssize_t samples;
ssize_t frames;
int err;
plugin = snd_pcm_plug_last(handle, SND_PCM_CHANNEL_CAPTURE);
samples = snd_pcm_plugin_dst_size_to_samples(plugin, size);
if (samples < 0)
return samples;
samples = snd_pcm_plug_slave_samples(handle, SND_PCM_CHANNEL_CAPTURE, samples);
if (samples < 0)
return samples;
frames = snd_pcm_plugin_dst_size_to_frames(plugin, size);
if (frames < 0)
return frames;
frames = snd_pcm_plug_slave_frames(handle, SND_PCM_CHANNEL_CAPTURE, frames);
if (frames < 0)
return frames;
plugin = snd_pcm_plug_first(handle, SND_PCM_CHANNEL_CAPTURE);
if ((err = snd_pcm_plugin_slave_voices(plugin, samples, &src_voices)) < 0)
if ((err = snd_pcm_plugin_slave_voices(plugin, frames, &src_voices)) < 0)
return err;
if ((err = snd_pcm_plug_capture_disable_useless_voices(handle, src_voices, dst_voices_final) < 0))
return err;
while (plugin && samples > 0) {
while (plugin && frames > 0) {
if ((next = plugin->next) != NULL) {
if ((err = plugin->client_voices(plugin, samples, &dst_voices)) < 0) {
if ((err = plugin->client_voices(plugin, frames, &dst_voices)) < 0) {
snd_pcm_plug_buf_unlock(handle, SND_PCM_CHANNEL_CAPTURE, src_voices->aptr);
return err;
}
samples = err;
frames = err;
} else {
dst_voices = dst_voices_final;
}
pdprintf("read plugin: %s, %i\n", plugin->name, samples);
if ((samples = plugin->transfer(plugin, src_voices, dst_voices, samples)) < 0) {
pdprintf("read plugin: %s, %i\n", plugin->name, frames);
if ((frames = plugin->transfer(plugin, src_voices, dst_voices, frames)) < 0) {
snd_pcm_plug_buf_unlock(handle, SND_PCM_CHANNEL_CAPTURE, src_voices->aptr);
snd_pcm_plug_buf_unlock(handle, SND_PCM_CHANNEL_CAPTURE, dst_voices->aptr);
return samples;
return frames;
}
#if 0
{
@ -1154,7 +1154,7 @@ ssize_t snd_pcm_plug_read_transfer(snd_pcm_plugin_handle_t *handle, snd_pcm_plug
src_voices = dst_voices;
}
snd_pcm_plug_buf_unlock(handle, SND_PCM_CHANNEL_CAPTURE, src_voices->aptr);
return snd_pcm_plugin_dst_samples_to_size(snd_pcm_plug_last(handle, SND_PCM_CHANNEL_CAPTURE), samples);
return snd_pcm_plugin_dst_frames_to_size(snd_pcm_plug_last(handle, SND_PCM_CHANNEL_CAPTURE), frames);
}
int snd_pcm_area_silence(const snd_pcm_voice_area_t *dst_area, size_t dst_offset,
@ -1240,7 +1240,7 @@ int snd_pcm_area_silence(const snd_pcm_voice_area_t *dst_area, size_t dst_offset
}
int snd_pcm_areas_silence(const snd_pcm_voice_area_t *dst_areas, size_t dst_offset,
size_t vcount, size_t samples, int format)
size_t vcount, size_t frames, int format)
{
int width = snd_pcm_format_physical_width(format);
while (vcount > 0) {
@ -1266,10 +1266,10 @@ int snd_pcm_areas_silence(const snd_pcm_voice_area_t *dst_areas, size_t dst_offs
d.addr = begin->addr;
d.first = begin->first;
d.step = width;
err = snd_pcm_area_silence(&d, dst_offset * v, samples * v, format);
err = snd_pcm_area_silence(&d, dst_offset * v, frames * v, format);
vcount -= v;
} else {
err = snd_pcm_area_silence(begin, dst_offset, samples, format);
err = snd_pcm_area_silence(begin, dst_offset, frames, format);
dst_areas = begin + 1;
vcount--;
}
@ -1377,7 +1377,7 @@ int snd_pcm_area_copy(const snd_pcm_voice_area_t *src_area, size_t src_offset,
int snd_pcm_areas_copy(const snd_pcm_voice_area_t *src_areas, size_t src_offset,
const snd_pcm_voice_area_t *dst_areas, size_t dst_offset,
size_t vcount, size_t samples, int format)
size_t vcount, size_t frames, int format)
{
int width = snd_pcm_format_physical_width(format);
while (vcount > 0) {
@ -1410,10 +1410,10 @@ int snd_pcm_areas_copy(const snd_pcm_voice_area_t *src_areas, size_t src_offset,
d.addr = dst_start->addr;
d.first = dst_start->first;
d.step = width;
snd_pcm_area_copy(&s, src_offset * v, &d, dst_offset * v, samples * v, format);
snd_pcm_area_copy(&s, src_offset * v, &d, dst_offset * v, frames * v, format);
vcount -= v;
} else {
snd_pcm_area_copy(src_start, src_offset, dst_start, dst_offset, samples, format);
snd_pcm_area_copy(src_start, src_offset, dst_start, dst_offset, frames, format);
src_areas = src_start + 1;
dst_areas = dst_start + 1;
vcount--;

6
src/pcm/pcm_local.h
View file

@ -84,8 +84,8 @@ struct snd_pcm_chan {
snd_pcm_channel_setup_t setup;
snd_pcm_voice_area_t *voices;
size_t sample_width;
size_t bits_per_sample;
size_t samples_per_frag;
size_t bits_per_frame;
size_t frames_per_frag;
snd_pcm_mmap_control_t *mmap_control;
size_t mmap_control_size;
int mmap_control_emulation;
@ -134,7 +134,7 @@ int snd_pcm_plug_playback_voices_mask(snd_pcm_plugin_handle_t *handle,
int snd_pcm_plug_capture_voices_mask(snd_pcm_plugin_handle_t *handle,
bitset_t *client_vmask);
int snd_pcm_plugin_client_voices(snd_pcm_plugin_t *plugin,
size_t samples,
size_t frames,
snd_pcm_plugin_voice_t **voices);
void *snd_pcm_plug_buf_alloc(snd_pcm_t *pcm, int channel, size_t size);

170
src/pcm/pcm_mmap.c
View file

@ -68,11 +68,11 @@ static inline ssize_t snd_pcm_mmap_playback_bytes_used(struct snd_pcm_chan *chan
return bytes_used;
}
static ssize_t snd_pcm_mmap_playback_samples_used(snd_pcm_t *pcm)
static ssize_t snd_pcm_mmap_playback_frames_used(snd_pcm_t *pcm)
{
struct snd_pcm_chan *chan = &pcm->chan[SND_PCM_CHANNEL_PLAYBACK];
ssize_t bytes = snd_pcm_mmap_playback_bytes_used(chan);
return bytes * 8 / chan->bits_per_sample;
return bytes * 8 / chan->bits_per_frame;
}
static inline size_t snd_pcm_mmap_capture_bytes_used(struct snd_pcm_chan *chan)
@ -84,14 +84,14 @@ static inline size_t snd_pcm_mmap_capture_bytes_used(struct snd_pcm_chan *chan)
return bytes_used;
}
static size_t snd_pcm_mmap_capture_samples_used(snd_pcm_t *pcm)
static size_t snd_pcm_mmap_capture_frames_used(snd_pcm_t *pcm)
{
struct snd_pcm_chan *chan = &pcm->chan[SND_PCM_CHANNEL_CAPTURE];
size_t bytes = snd_pcm_mmap_capture_bytes_used(chan);
return bytes * 8 / chan->bits_per_sample;
return bytes * 8 / chan->bits_per_frame;
}
int snd_pcm_mmap_samples_used(snd_pcm_t *pcm, int channel, ssize_t *samples)
int snd_pcm_mmap_frames_used(snd_pcm_t *pcm, int channel, ssize_t *frames)
{
struct snd_pcm_chan *chan;
if (!pcm)
@ -102,9 +102,9 @@ int snd_pcm_mmap_samples_used(snd_pcm_t *pcm, int channel, ssize_t *samples)
if (!chan->open || !chan->mmap_control)
return -EBADFD;
if (channel == SND_PCM_CHANNEL_PLAYBACK)
*samples = snd_pcm_mmap_playback_samples_used(pcm);
*frames = snd_pcm_mmap_playback_frames_used(pcm);
else
*samples = snd_pcm_mmap_capture_samples_used(pcm);
*frames = snd_pcm_mmap_capture_frames_used(pcm);
return 0;
}
@ -113,11 +113,11 @@ static inline size_t snd_pcm_mmap_playback_bytes_free(struct snd_pcm_chan *chan)
return chan->setup.buffer_size - snd_pcm_mmap_playback_bytes_used(chan);
}
static size_t snd_pcm_mmap_playback_samples_free(snd_pcm_t *pcm)
static size_t snd_pcm_mmap_playback_frames_free(snd_pcm_t *pcm)
{
struct snd_pcm_chan *chan = &pcm->chan[SND_PCM_CHANNEL_PLAYBACK];
size_t bytes = snd_pcm_mmap_playback_bytes_free(chan);
return bytes * 8 / chan->bits_per_sample;
return bytes * 8 / chan->bits_per_frame;
}
static inline ssize_t snd_pcm_mmap_capture_bytes_free(struct snd_pcm_chan *chan)
@ -125,14 +125,14 @@ static inline ssize_t snd_pcm_mmap_capture_bytes_free(struct snd_pcm_chan *chan)
return chan->setup.buffer_size - snd_pcm_mmap_capture_bytes_used(chan);
}
static ssize_t snd_pcm_mmap_capture_samples_free(snd_pcm_t *pcm)
static ssize_t snd_pcm_mmap_capture_frames_free(snd_pcm_t *pcm)
{
struct snd_pcm_chan *chan = &pcm->chan[SND_PCM_CHANNEL_CAPTURE];
ssize_t bytes = snd_pcm_mmap_capture_bytes_free(chan);
return bytes * 8 / chan->bits_per_sample;
return bytes * 8 / chan->bits_per_frame;
}
int snd_pcm_mmap_samples_free(snd_pcm_t *pcm, int channel, ssize_t *samples)
int snd_pcm_mmap_frames_free(snd_pcm_t *pcm, int channel, ssize_t *frames)
{
struct snd_pcm_chan *chan;
if (!pcm)
@ -143,9 +143,9 @@ int snd_pcm_mmap_samples_free(snd_pcm_t *pcm, int channel, ssize_t *samples)
if (!chan->open || !chan->mmap_control)
return -EBADFD;
if (channel == SND_PCM_CHANNEL_PLAYBACK)
*samples = snd_pcm_mmap_playback_samples_free(pcm);
*frames = snd_pcm_mmap_playback_frames_free(pcm);
else
*samples = snd_pcm_mmap_capture_samples_free(pcm);
*frames = snd_pcm_mmap_capture_frames_free(pcm);
return 0;
}
@ -226,23 +226,23 @@ static size_t snd_pcm_mmap_capture_bytes_xfer(snd_pcm_t *pcm, size_t bytes)
return bytes;
}
static ssize_t snd_pcm_mmap_playback_samples_xfer(snd_pcm_t *pcm, size_t samples)
static ssize_t snd_pcm_mmap_playback_frames_xfer(snd_pcm_t *pcm, size_t frames)
{
struct snd_pcm_chan *chan = &pcm->chan[SND_PCM_CHANNEL_PLAYBACK];
size_t bytes = samples * chan->bits_per_sample / 8;
size_t bytes = frames * chan->bits_per_frame / 8;
bytes = snd_pcm_mmap_playback_bytes_xfer(pcm, bytes);
return bytes * 8 / chan->bits_per_sample;
return bytes * 8 / chan->bits_per_frame;
}
static ssize_t snd_pcm_mmap_capture_samples_xfer(snd_pcm_t *pcm, size_t samples)
static ssize_t snd_pcm_mmap_capture_frames_xfer(snd_pcm_t *pcm, size_t frames)
{
struct snd_pcm_chan *chan = &pcm->chan[SND_PCM_CHANNEL_CAPTURE];
size_t bytes = samples * chan->bits_per_sample / 8;
size_t bytes = frames * chan->bits_per_frame / 8;
bytes = snd_pcm_mmap_capture_bytes_xfer(pcm, bytes);
return bytes * 8 / chan->bits_per_sample;
return bytes * 8 / chan->bits_per_frame;
}
ssize_t snd_pcm_mmap_samples_xfer(snd_pcm_t *pcm, int channel, size_t samples)
ssize_t snd_pcm_mmap_frames_xfer(snd_pcm_t *pcm, int channel, size_t frames)
{
struct snd_pcm_chan *chan;
if (!pcm)
@ -253,12 +253,12 @@ ssize_t snd_pcm_mmap_samples_xfer(snd_pcm_t *pcm, int channel, size_t samples)
if (!chan->open || !chan->mmap_control)
return -EBADFD;
if (channel == SND_PCM_CHANNEL_PLAYBACK)
return snd_pcm_mmap_playback_samples_xfer(pcm, samples);
return snd_pcm_mmap_playback_frames_xfer(pcm, frames);
else
return snd_pcm_mmap_capture_samples_xfer(pcm, samples);
return snd_pcm_mmap_capture_frames_xfer(pcm, frames);
}
ssize_t snd_pcm_mmap_samples_offset(snd_pcm_t *pcm, int channel)
ssize_t snd_pcm_mmap_frames_offset(snd_pcm_t *pcm, int channel)
{
struct snd_pcm_chan *chan;
snd_pcm_mmap_control_t *ctrl;
@ -272,10 +272,10 @@ ssize_t snd_pcm_mmap_samples_offset(snd_pcm_t *pcm, int channel)
ctrl = chan->mmap_control;
if (!ctrl)
return -EBADFD;
return (ctrl->byte_data % chan->setup.buffer_size) * 8 / chan->bits_per_sample;
return (ctrl->byte_data % chan->setup.buffer_size) * 8 / chan->bits_per_frame;
}
int snd_pcm_mmap_commit_samples(snd_pcm_t *pcm, int channel, int samples)
int snd_pcm_mmap_commit_frames(snd_pcm_t *pcm, int channel, int frames)
{
struct snd_pcm_chan *chan;
snd_pcm_mmap_control_t *ctrl;
@ -290,7 +290,7 @@ int snd_pcm_mmap_commit_samples(snd_pcm_t *pcm, int channel, int samples)
ctrl = chan->mmap_control;
if (!ctrl)
return -EBADFD;
bytes = samples * chan->bits_per_sample;
bytes = frames * chan->bits_per_frame;
if (bytes % 8)
return -EINVAL;
bytes /= 8;
@ -303,7 +303,7 @@ int snd_pcm_mmap_commit_samples(snd_pcm_t *pcm, int channel, int samples)
return 0;
}
ssize_t snd_pcm_mmap_write_areas(snd_pcm_t *pcm, snd_pcm_voice_area_t *voices, size_t samples)
ssize_t snd_pcm_mmap_write_areas(snd_pcm_t *pcm, snd_pcm_voice_area_t *voices, size_t frames)
{
struct snd_pcm_chan *chan;
snd_pcm_mmap_control_t *ctrl;
@ -316,16 +316,16 @@ ssize_t snd_pcm_mmap_write_areas(snd_pcm_t *pcm, snd_pcm_voice_area_t *voices, s
if (ctrl->status < SND_PCM_STATUS_PREPARED)
return -EBADFD;
if (chan->setup.mode == SND_PCM_MODE_BLOCK) {
if (samples % chan->samples_per_frag != 0)
if (frames % chan->frames_per_frag != 0)
return -EINVAL;
} else {
if (ctrl->status == SND_PCM_STATUS_RUNNING &&
chan->mode & SND_PCM_NONBLOCK)
snd_pcm_channel_update(pcm, SND_PCM_CHANNEL_PLAYBACK);
}
while (samples > 0) {
while (frames > 0) {
ssize_t mmap_offset;
size_t samples1;
size_t frames1;
int ready = snd_pcm_mmap_playback_ready(pcm);
if (ready < 0)
return ready;
@ -344,16 +344,16 @@ ssize_t snd_pcm_mmap_write_areas(snd_pcm_t *pcm, snd_pcm_voice_area_t *voices, s
return result > 0 ? result : -EPIPE;
assert(snd_pcm_mmap_playback_ready(pcm));
}
samples1 = snd_pcm_mmap_playback_samples_xfer(pcm, samples);
assert(samples1 > 0);
mmap_offset = snd_pcm_mmap_samples_offset(pcm, SND_PCM_CHANNEL_PLAYBACK);
snd_pcm_areas_copy(voices, offset, chan->voices, mmap_offset, chan->setup.format.voices, samples1, chan->setup.format.format);
frames1 = snd_pcm_mmap_playback_frames_xfer(pcm, frames);
assert(frames1 > 0);
mmap_offset = snd_pcm_mmap_frames_offset(pcm, SND_PCM_CHANNEL_PLAYBACK);
snd_pcm_areas_copy(voices, offset, chan->voices, mmap_offset, chan->setup.format.voices, frames1, chan->setup.format.format);
if (ctrl->status == SND_PCM_STATUS_XRUN)
return result > 0 ? result : -EPIPE;
snd_pcm_mmap_commit_samples(pcm, SND_PCM_CHANNEL_PLAYBACK, samples1);
samples -= samples1;
offset += samples1;
result += samples1;
snd_pcm_mmap_commit_frames(pcm, SND_PCM_CHANNEL_PLAYBACK, frames1);
frames -= frames1;
offset += frames1;
result += frames1;
if (ctrl->status == SND_PCM_STATUS_PREPARED &&
(chan->setup.start_mode == SND_PCM_START_DATA ||
(chan->setup.start_mode == SND_PCM_START_FULL &&
@ -366,7 +366,7 @@ ssize_t snd_pcm_mmap_write_areas(snd_pcm_t *pcm, snd_pcm_voice_area_t *voices, s
return result;
}
ssize_t snd_pcm_mmap_write_samples(snd_pcm_t *pcm, const void *buffer, size_t samples)
ssize_t snd_pcm_mmap_write_frames(snd_pcm_t *pcm, const void *buffer, size_t frames)
{
struct snd_pcm_chan *chan;
unsigned int nvoices;
@ -377,7 +377,7 @@ ssize_t snd_pcm_mmap_write_samples(snd_pcm_t *pcm, const void *buffer, size_t sa
return -EBADFD;
if (!chan->mmap_data || !chan->mmap_control)
return -EBADFD;
if (samples > 0 && !buffer)
if (frames > 0 && !buffer)
return -EFAULT;
nvoices = chan->setup.format.voices;
if (!chan->setup.format.interleave && nvoices > 1)
@ -388,9 +388,9 @@ ssize_t snd_pcm_mmap_write_samples(snd_pcm_t *pcm, const void *buffer, size_t sa
for (voice = 0; voice < nvoices; ++voice) {
voices[voice].addr = (char*)buffer;
voices[voice].first = chan->sample_width * voice;
voices[voice].step = chan->bits_per_sample;
voices[voice].step = chan->bits_per_frame;
}
return snd_pcm_mmap_write_areas(pcm, voices, samples);
return snd_pcm_mmap_write_areas(pcm, voices, frames);
}
}
@ -398,7 +398,7 @@ ssize_t snd_pcm_mmap_write(snd_pcm_t *pcm, const void *buffer, size_t bytes)
{
struct snd_pcm_chan *chan;
unsigned int nvoices;
ssize_t samples;
ssize_t frames;
if (!pcm)
return -EFAULT;
chan = &pcm->chan[SND_PCM_CHANNEL_PLAYBACK];
@ -411,11 +411,11 @@ ssize_t snd_pcm_mmap_write(snd_pcm_t *pcm, const void *buffer, size_t bytes)
nvoices = chan->setup.format.voices;
if (!chan->setup.format.interleave && nvoices > 1)
return -EINVAL;
samples = bytes * 8 / chan->bits_per_sample;
samples = snd_pcm_mmap_write_samples(pcm, buffer, samples);
if (samples <= 0)
return samples;
return samples * chan->bits_per_sample / 8;
frames = bytes * 8 / chan->bits_per_frame;
frames = snd_pcm_mmap_write_frames(pcm, buffer, frames);
if (frames <= 0)
return frames;
return frames * chan->bits_per_frame / 8;
}
ssize_t snd_pcm_mmap_writev(snd_pcm_t *pcm, const struct iovec *vector, unsigned long vcount)
@ -437,8 +437,8 @@ ssize_t snd_pcm_mmap_writev(snd_pcm_t *pcm, const struct iovec *vector, unsigned
unsigned int b;
for (b = 0; b < vcount; b++) {
ssize_t ret;
size_t samples = vector[b].iov_len * 8 / chan->bits_per_sample;
ret = snd_pcm_mmap_write_samples(pcm, vector[b].iov_base, samples);
size_t frames = vector[b].iov_len * 8 / chan->bits_per_frame;
ret = snd_pcm_mmap_write_frames(pcm, vector[b].iov_base, frames);
if (ret < 0) {
if (result <= 0)
return ret;
@ -457,7 +457,7 @@ ssize_t snd_pcm_mmap_writev(snd_pcm_t *pcm, const struct iovec *vector, unsigned
unsigned int v;
ssize_t ret;
size_t bytes = 0;
size_t samples;
size_t frames;
bytes = vector[0].iov_len;
for (v = 0; v < nvoices; ++v) {
if (vector[v].iov_len != bytes)
@ -466,23 +466,23 @@ ssize_t snd_pcm_mmap_writev(snd_pcm_t *pcm, const struct iovec *vector, unsigned
voices[v].first = 0;
voices[v].step = chan->sample_width;
}
samples = bytes * 8 / chan->sample_width;
ret = snd_pcm_mmap_write_areas(pcm, voices, samples);
frames = bytes * 8 / chan->sample_width;
ret = snd_pcm_mmap_write_areas(pcm, voices, frames);
if (ret < 0) {
if (result <= 0)
return ret;
break;
}
result += ret;
if ((size_t)ret != samples)
if ((size_t)ret != frames)
break;
vector += nvoices;
}
}
return result * chan->bits_per_sample / 8;
return result * chan->bits_per_frame / 8;
}
ssize_t snd_pcm_mmap_read_areas(snd_pcm_t *pcm, snd_pcm_voice_area_t *voices, size_t samples)
ssize_t snd_pcm_mmap_read_areas(snd_pcm_t *pcm, snd_pcm_voice_area_t *voices, size_t frames)
{
struct snd_pcm_chan *chan;
snd_pcm_mmap_control_t *ctrl;
@ -495,7 +495,7 @@ ssize_t snd_pcm_mmap_read_areas(snd_pcm_t *pcm, snd_pcm_voice_area_t *voices, si
if (ctrl->status < SND_PCM_STATUS_PREPARED)
return -EBADFD;
if (chan->setup.mode == SND_PCM_MODE_BLOCK) {
if (samples % chan->samples_per_frag != 0)
if (frames % chan->frames_per_frag != 0)
return -EINVAL;
} else {
if (ctrl->status == SND_PCM_STATUS_RUNNING &&
@ -508,9 +508,9 @@ ssize_t snd_pcm_mmap_read_areas(snd_pcm_t *pcm, snd_pcm_voice_area_t *voices, si
if (err < 0)
return err;
}
while (samples > 0) {
while (frames > 0) {
ssize_t mmap_offset;
size_t samples1;
size_t frames1;
int ready = snd_pcm_mmap_capture_ready(pcm);
if (ready < 0)
return ready;
@ -529,22 +529,22 @@ ssize_t snd_pcm_mmap_read_areas(snd_pcm_t *pcm, snd_pcm_voice_area_t *voices, si
return result > 0 ? result : -EPIPE;
assert(snd_pcm_mmap_capture_ready(pcm));
}
samples1 = snd_pcm_mmap_capture_samples_xfer(pcm, samples);
assert(samples1 > 0);
mmap_offset = snd_pcm_mmap_samples_offset(pcm, SND_PCM_CHANNEL_CAPTURE);
snd_pcm_areas_copy(chan->voices, mmap_offset, voices, offset, chan->setup.format.voices, samples1, chan->setup.format.format);
frames1 = snd_pcm_mmap_capture_frames_xfer(pcm, frames);
assert(frames1 > 0);
mmap_offset = snd_pcm_mmap_frames_offset(pcm, SND_PCM_CHANNEL_CAPTURE);
snd_pcm_areas_copy(chan->voices, mmap_offset, voices, offset, chan->setup.format.voices, frames1, chan->setup.format.format);
if (ctrl->status == SND_PCM_STATUS_XRUN &&
chan->setup.xrun_mode == SND_PCM_XRUN_DRAIN)
return result > 0 ? result : -EPIPE;
snd_pcm_mmap_commit_samples(pcm, SND_PCM_CHANNEL_CAPTURE, samples1);
samples -= samples1;
offset += samples1;
result += samples1;
snd_pcm_mmap_commit_frames(pcm, SND_PCM_CHANNEL_CAPTURE, frames1);
frames -= frames1;
offset += frames1;
result += frames1;
}
return result;
}
ssize_t snd_pcm_mmap_read_samples(snd_pcm_t *pcm, const void *buffer, size_t samples)
ssize_t snd_pcm_mmap_read_frames(snd_pcm_t *pcm, const void *buffer, size_t frames)
{
struct snd_pcm_chan *chan;
unsigned int nvoices;
@ -555,7 +555,7 @@ ssize_t snd_pcm_mmap_read_samples(snd_pcm_t *pcm, const void *buffer, size_t sam
return -EBADFD;
if (!chan->mmap_data || !chan->mmap_control)
return -EBADFD;
if (samples > 0 && !buffer)
if (frames > 0 && !buffer)
return -EFAULT;
nvoices = chan->setup.format.voices;
if (!chan->setup.format.interleave && nvoices > 1)
@ -566,9 +566,9 @@ ssize_t snd_pcm_mmap_read_samples(snd_pcm_t *pcm, const void *buffer, size_t sam
for (voice = 0; voice < nvoices; ++voice) {
voices[voice].addr = (char*)buffer;
voices[voice].first = chan->sample_width * voice;
voices[voice].step = chan->bits_per_sample;
voices[voice].step = chan->bits_per_frame;
}
return snd_pcm_mmap_read_areas(pcm, voices, samples);
return snd_pcm_mmap_read_areas(pcm, voices, frames);
}
}
@ -576,7 +576,7 @@ ssize_t snd_pcm_mmap_read(snd_pcm_t *pcm, void *buffer, size_t bytes)
{
struct snd_pcm_chan *chan;
unsigned int nvoices;
ssize_t samples;
ssize_t frames;
if (!pcm)
return -EFAULT;
chan = &pcm->chan[SND_PCM_CHANNEL_CAPTURE];
@ -589,11 +589,11 @@ ssize_t snd_pcm_mmap_read(snd_pcm_t *pcm, void *buffer, size_t bytes)
nvoices = chan->setup.format.voices;
if (!chan->setup.format.interleave && nvoices > 1)
return -EINVAL;
samples = bytes * 8 / chan->bits_per_sample;
samples = snd_pcm_mmap_read_samples(pcm, buffer, samples);
if (samples <= 0)
return samples;
return samples * chan->bits_per_sample / 8;
frames = bytes * 8 / chan->bits_per_frame;
frames = snd_pcm_mmap_read_frames(pcm, buffer, frames);
if (frames <= 0)
return frames;
return frames * chan->bits_per_frame / 8;
}
ssize_t snd_pcm_mmap_readv(snd_pcm_t *pcm, const struct iovec *vector, unsigned long vcount)
@ -615,8 +615,8 @@ ssize_t snd_pcm_mmap_readv(snd_pcm_t *pcm, const struct iovec *vector, unsigned
unsigned int b;
for (b = 0; b < vcount; b++) {
ssize_t ret;
size_t samples = vector[b].iov_len * 8 / chan->bits_per_sample;
ret = snd_pcm_mmap_read_samples(pcm, vector[b].iov_base, samples);
size_t frames = vector[b].iov_len * 8 / chan->bits_per_frame;
ret = snd_pcm_mmap_read_frames(pcm, vector[b].iov_base, frames);
if (ret < 0) {
if (result <= 0)
return ret;
@ -635,7 +635,7 @@ ssize_t snd_pcm_mmap_readv(snd_pcm_t *pcm, const struct iovec *vector, unsigned
unsigned int v;
ssize_t ret;
size_t bytes = 0;
size_t samples;
size_t frames;
bytes = vector[0].iov_len;
for (v = 0; v < nvoices; ++v) {
if (vector[v].iov_len != bytes)
@ -644,20 +644,20 @@ ssize_t snd_pcm_mmap_readv(snd_pcm_t *pcm, const struct iovec *vector, unsigned
voices[v].first = 0;
voices[v].step = chan->sample_width;
}
samples = bytes * 8 / chan->sample_width;
ret = snd_pcm_mmap_read_areas(pcm, voices, samples);
frames = bytes * 8 / chan->sample_width;
ret = snd_pcm_mmap_read_areas(pcm, voices, frames);
if (ret < 0) {
if (result <= 0)
return ret;
break;
}
result += ret;
if ((size_t)ret != samples)
if ((size_t)ret != frames)
break;
vector += nvoices;
}
}
return result * chan->bits_per_sample / 8;
return result * chan->bits_per_frame / 8;
}
static ssize_t mmap_playback_bytes_xfer(struct snd_pcm_chan *chan)

13
src/pcm/pcm_plug.c
View file

@ -584,7 +584,6 @@ static int snd_pcm_plug_voice_setup(snd_pcm_t *pcm, int channel, snd_pcm_voice_s
struct snd_pcm_chan *chan;
unsigned int voice;
int width;
size_t size;
if (snd_pcm_plug_direct(pcm, channel))
return snd_pcm_voice_setup(plug->slave, channel, setup);
@ -600,19 +599,15 @@ static int snd_pcm_plug_voice_setup(snd_pcm_t *pcm, int channel, snd_pcm_voice_s
if (voice >= chan->setup.format.voices)
return -EINVAL;
width = snd_pcm_format_physical_width(chan->setup.format.format);
if (width < 0)
return width;
size = chan->mmap_data_size;
if (chan->setup.format.interleave) {
setup->area.addr = chan->mmap_data;
setup->area.first = chan->sample_width;
setup->area.step = chan->bits_per_sample;
setup->area.first = setup->voice * chan->sample_width;
setup->area.step = chan->bits_per_frame;
} else {
size /= chan->setup.format.voices;
size_t size = chan->mmap_data_size / chan->setup.format.voices;
setup->area.addr = chan->mmap_data + setup->voice * size;
setup->area.first = 0;
setup->area.step = width;
setup->area.step = chan->sample_width;
}
return 0;
}

30
src/pcm/plugin/adpcm.c
View file

@ -79,7 +79,7 @@ typedef struct {
typedef void (*adpcm_f)(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples);
size_t frames);
typedef struct adpcm_private_data {
adpcm_f func;
@ -213,7 +213,7 @@ static int adpcm_decoder(unsigned char code, adpcm_voice_t * state)
static void adpcm_decode(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples)
size_t frames)
{
#define PUT_S16_LABELS
#include "plugin_ops.h"
@ -227,11 +227,11 @@ static void adpcm_decode(snd_pcm_plugin_t *plugin,
int srcbit;
char *dst;
int src_step, srcbit_step, dst_step;
size_t samples1;
size_t frames1;
adpcm_voice_t *state;
if (!src_voices[voice].enabled) {
if (dst_voices[voice].wanted)
snd_pcm_area_silence(&dst_voices[voice].area, 0, samples, plugin->dst_format.format);
snd_pcm_area_silence(&dst_voices[voice].area, 0, frames, plugin->dst_format.format);
dst_voices[voice].enabled = 0;
continue;
}
@ -243,8 +243,8 @@ static void adpcm_decode(snd_pcm_plugin_t *plugin,
srcbit_step = src_voices[voice].area.step % 8;
dst_step = dst_voices[voice].area.step / 8;
state = &data->voices[voice];
samples1 = samples;
while (samples1-- > 0) {
frames1 = frames;
while (frames1-- > 0) {
signed short sample;
int v;
if (srcbit)
@ -271,7 +271,7 @@ static void adpcm_decode(snd_pcm_plugin_t *plugin,
static void adpcm_encode(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples)
size_t frames)
{
#define GET_S16_LABELS
#include "plugin_ops.h"
@ -286,11 +286,11 @@ static void adpcm_encode(snd_pcm_plugin_t *plugin,
char *dst;
int dstbit;
int src_step, dst_step, dstbit_step;
size_t samples1;
size_t frames1;
adpcm_voice_t *state;
if (!src_voices[voice].enabled) {
if (dst_voices[voice].wanted)
snd_pcm_area_silence(&dst_voices[voice].area, 0, samples, plugin->dst_format.format);
snd_pcm_area_silence(&dst_voices[voice].area, 0, frames, plugin->dst_format.format);
dst_voices[voice].enabled = 0;
continue;
}
@ -302,8 +302,8 @@ static void adpcm_encode(snd_pcm_plugin_t *plugin,
dst_step = dst_voices[voice].area.step / 8;
dstbit_step = dst_voices[voice].area.step % 8;
state = &data->voices[voice];
samples1 = samples;
while (samples1-- > 0) {
frames1 = frames;
while (frames1-- > 0) {
int v;
goto *get;
#define GET_S16_END after
@ -329,14 +329,14 @@ static void adpcm_encode(snd_pcm_plugin_t *plugin,
static ssize_t adpcm_transfer(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples)
size_t frames)
{
adpcm_t *data;
unsigned int voice;
if (plugin == NULL || src_voices == NULL || dst_voices == NULL)
return -EFAULT;
if (samples == 0)
if (frames == 0)
return 0;
for (voice = 0; voice < plugin->src_format.voices; voice++) {
if (plugin->src_format.format == SND_PCM_SFMT_IMA_ADPCM) {
@ -354,8 +354,8 @@ static ssize_t adpcm_transfer(snd_pcm_plugin_t *plugin,
}
}
data = (adpcm_t *)plugin->extra_data;
data->func(plugin, src_voices, dst_voices, samples);
return samples;
data->func(plugin, src_voices, dst_voices, frames);
return frames;
}
static int adpcm_action(snd_pcm_plugin_t * plugin,

30
src/pcm/plugin/alaw.c
View file

@ -135,7 +135,7 @@ static int alaw2linear(unsigned char a_val)
typedef void (*alaw_f)(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples);
size_t frames);
typedef struct alaw_private_data {
alaw_f func;
@ -145,7 +145,7 @@ typedef struct alaw_private_data {
static void alaw_decode(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples)
size_t frames)
{
#define PUT_S16_LABELS
#include "plugin_ops.h"
@ -158,10 +158,10 @@ static void alaw_decode(snd_pcm_plugin_t *plugin,
char *src;
char *dst;
int src_step, dst_step;
size_t samples1;
size_t frames1;
if (!src_voices[voice].enabled) {
if (dst_voices[voice].wanted)
snd_pcm_area_silence(&dst_voices[voice].area, 0, samples, plugin->dst_format.format);
snd_pcm_area_silence(&dst_voices[voice].area, 0, frames, plugin->dst_format.format);
dst_voices[voice].enabled = 0;
continue;
}
@ -170,8 +170,8 @@ static void alaw_decode(snd_pcm_plugin_t *plugin,
dst = dst_voices[voice].area.addr + dst_voices[voice].area.first / 8;
src_step = src_voices[voice].area.step / 8;
dst_step = dst_voices[voice].area.step / 8;
samples1 = samples;
while (samples1-- > 0) {
frames1 = frames;
while (frames1-- > 0) {
signed short sample = alaw2linear(*src);
goto *put;
#define PUT_S16_END after
@ -187,7 +187,7 @@ static void alaw_decode(snd_pcm_plugin_t *plugin,
static void alaw_encode(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples)
size_t frames)
{
#define GET_S16_LABELS
#include "plugin_ops.h"
@ -201,10 +201,10 @@ static void alaw_encode(snd_pcm_plugin_t *plugin,
char *src;
char *dst;
int src_step, dst_step;
size_t samples1;
size_t frames1;
if (!src_voices[voice].enabled) {
if (dst_voices[voice].wanted)
snd_pcm_area_silence(&dst_voices[voice].area, 0, samples, plugin->dst_format.format);
snd_pcm_area_silence(&dst_voices[voice].area, 0, frames, plugin->dst_format.format);
dst_voices[voice].enabled = 0;
continue;
}
@ -213,8 +213,8 @@ static void alaw_encode(snd_pcm_plugin_t *plugin,
dst = dst_voices[voice].area.addr + dst_voices[voice].area.first / 8;
src_step = src_voices[voice].area.step / 8;
dst_step = dst_voices[voice].area.step / 8;
samples1 = samples;
while (samples1-- > 0) {
frames1 = frames;
while (frames1-- > 0) {
goto *get;
#define GET_S16_END after
#include "plugin_ops.h"
@ -230,14 +230,14 @@ static void alaw_encode(snd_pcm_plugin_t *plugin,
static ssize_t alaw_transfer(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples)
size_t frames)
{
alaw_t *data;
unsigned int voice;
if (plugin == NULL || src_voices == NULL || dst_voices == NULL)
return -EFAULT;
if (samples == 0)
if (frames == 0)
return 0;
for (voice = 0; voice < plugin->src_format.voices; voice++) {
if (src_voices[voice].area.first % 8 != 0 ||
@ -248,8 +248,8 @@ static ssize_t alaw_transfer(snd_pcm_plugin_t *plugin,
return -EINVAL;
}
data = (alaw_t *)plugin->extra_data;
data->func(plugin, src_voices, dst_voices, samples);
return samples;
data->func(plugin, src_voices, dst_voices, frames);
return frames;
}
int snd_pcm_plugin_build_alaw(snd_pcm_plugin_handle_t *handle,

10
src/pcm/plugin/copy.c
View file

@ -38,14 +38,14 @@
static ssize_t copy_transfer(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples)
size_t frames)
{
unsigned int voice;
unsigned int nvoices;
if (plugin == NULL || src_voices == NULL || dst_voices == NULL)
return -EFAULT;
if (samples == 0)
if (frames == 0)
return 0;
nvoices = plugin->src_format.voices;
for (voice = 0; voice < nvoices; voice++) {
@ -57,16 +57,16 @@ static ssize_t copy_transfer(snd_pcm_plugin_t *plugin,
return -EINVAL;
if (!src_voices->enabled) {
if (dst_voices->wanted)
snd_pcm_area_silence(&dst_voices->area, 0, samples, plugin->dst_format.format);
snd_pcm_area_silence(&dst_voices->area, 0, frames, plugin->dst_format.format);
dst_voices->enabled = 0;
continue;
}
dst_voices->enabled = 1;
snd_pcm_area_copy(&src_voices->area, 0, &dst_voices->area, 0, samples, plugin->src_format.format);
snd_pcm_area_copy(&src_voices->area, 0, &dst_voices->area, 0, frames, plugin->src_format.format);
src_voices++;
dst_voices++;
}
return samples;
return frames;
}
int snd_pcm_plugin_build_copy(snd_pcm_plugin_handle_t *handle,

16
src/pcm/plugin/io.c
View file

@ -48,7 +48,7 @@ typedef struct io_private_data {
static ssize_t io_transfer(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples)
size_t frames)
{
io_t *data;
ssize_t result;
@ -64,7 +64,7 @@ static ssize_t io_transfer(snd_pcm_plugin_t *plugin,
if (plugin->channel == SND_PCM_CHANNEL_PLAYBACK) {
if (src_voices == NULL)
return -EINVAL;
if ((result = snd_pcm_plugin_src_samples_to_size(plugin, samples)) < 0)
if ((result = snd_pcm_plugin_src_frames_to_size(plugin, frames)) < 0)
return result;
count = plugin->src_format.voices;
if (plugin->src_format.interleave) {
@ -82,11 +82,11 @@ static ssize_t io_transfer(snd_pcm_plugin_t *plugin,
}
if (result < 0)
return result;
return snd_pcm_plugin_src_size_to_samples(plugin, result);
return snd_pcm_plugin_src_size_to_frames(plugin, result);
} else if (plugin->channel == SND_PCM_CHANNEL_CAPTURE) {
if (dst_voices == NULL)
return -EINVAL;
if ((result = snd_pcm_plugin_dst_samples_to_size(plugin, samples)) < 0)
if ((result = snd_pcm_plugin_dst_frames_to_size(plugin, frames)) < 0)
return result;
count = plugin->dst_format.voices;
if (plugin->dst_format.interleave) {
@ -108,26 +108,26 @@ static ssize_t io_transfer(snd_pcm_plugin_t *plugin,
}
if (result < 0)
return result;
return snd_pcm_plugin_dst_size_to_samples(plugin, result);
return snd_pcm_plugin_dst_size_to_frames(plugin, result);
} else {
return -EINVAL;
}
}
static ssize_t io_src_voices(snd_pcm_plugin_t *plugin,
size_t samples,
size_t frames,
snd_pcm_plugin_voice_t **voices)
{
int err;
unsigned int voice;
snd_pcm_plugin_voice_t *v;
err = snd_pcm_plugin_client_voices(plugin, samples, &v);
err = snd_pcm_plugin_client_voices(plugin, frames, &v);
if (err < 0)
return err;
*voices = v;
for (voice = 0; voice < plugin->src_format.voices; ++voice, ++v)
v->wanted = 1;
return samples;
return frames;
}
int snd_pcm_plugin_build_io(snd_pcm_plugin_handle_t *pcm,

18
src/pcm/plugin/linear.c
View file

@ -47,7 +47,7 @@ typedef struct linear_private_data {
static void convert(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples)
size_t frames)
{
#define CONV_LABELS
#include "plugin_ops.h"
@ -60,10 +60,10 @@ static void convert(snd_pcm_plugin_t *plugin,
char *src;
char *dst;
int src_step, dst_step;
size_t samples1;
size_t frames1;
if (!src_voices[voice].enabled) {
if (dst_voices[voice].wanted)
snd_pcm_area_silence(&dst_voices[voice].area, 0, samples, plugin->dst_format.format);
snd_pcm_area_silence(&dst_voices[voice].area, 0, frames, plugin->dst_format.format);
dst_voices[voice].enabled = 0;
continue;
}
@ -72,8 +72,8 @@ static void convert(snd_pcm_plugin_t *plugin,
dst = dst_voices[voice].area.addr + dst_voices[voice].area.first / 8;
src_step = src_voices[voice].area.step / 8;
dst_step = dst_voices[voice].area.step / 8;
samples1 = samples;
while (samples1-- > 0) {
frames1 = frames;
while (frames1-- > 0) {
goto *conv;
#define CONV_END after
#include "plugin_ops.h"
@ -88,7 +88,7 @@ static void convert(snd_pcm_plugin_t *plugin,
static ssize_t linear_transfer(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples)
size_t frames)
{
linear_t *data;
unsigned int voice;
@ -96,7 +96,7 @@ static ssize_t linear_transfer(snd_pcm_plugin_t *plugin,
if (plugin == NULL || src_voices == NULL || dst_voices == NULL)
return -EFAULT;
data = (linear_t *)plugin->extra_data;
if (samples == 0)
if (frames == 0)
return 0;
for (voice = 0; voice < plugin->src_format.voices; voice++) {
if (src_voices[voice].area.first % 8 != 0 ||
@ -106,8 +106,8 @@ static ssize_t linear_transfer(snd_pcm_plugin_t *plugin,
dst_voices[voice].area.step % 8 != 0)
return -EINVAL;
}
convert(plugin, src_voices, dst_voices, samples);
return samples;
convert(plugin, src_voices, dst_voices, frames);
return frames;
}
int conv_index(int src_format, int dst_format)

28
src/pcm/plugin/mmap.c
View file

@ -44,7 +44,7 @@ typedef struct mmap_private_data {
static ssize_t mmap_src_voices(snd_pcm_plugin_t *plugin,
size_t samples,
size_t frames,
snd_pcm_plugin_voice_t **voices)
{
mmap_t *data;
@ -86,9 +86,9 @@ static ssize_t mmap_src_voices(snd_pcm_plugin_t *plugin,
assert(snd_pcm_mmap_ready(data->slave, plugin->channel));
}
pos = ctrl->byte_data % setup->buffer_size;
if ((pos * 8) % chan->bits_per_sample != 0)
if ((pos * 8) % chan->bits_per_frame != 0)
return -EINVAL;
pos = (pos * 8) / chan->bits_per_sample;
pos = (pos * 8) / chan->bits_per_frame;
sv = plugin->src_voices;
dv = chan->voices;
@ -107,11 +107,11 @@ static ssize_t mmap_src_voices(snd_pcm_plugin_t *plugin,
++sv;
++dv;
}
return snd_pcm_mmap_samples_xfer(data->slave, plugin->channel, samples);
return snd_pcm_mmap_frames_xfer(data->slave, plugin->channel, frames);
}
static ssize_t mmap_dst_voices(snd_pcm_plugin_t *plugin,
size_t samples,
size_t frames,
snd_pcm_plugin_voice_t **voices)
{
mmap_t *data;
@ -159,9 +159,9 @@ static ssize_t mmap_dst_voices(snd_pcm_plugin_t *plugin,
assert(snd_pcm_mmap_ready(data->slave, plugin->channel));
}
pos = ctrl->byte_data % setup->buffer_size;
if ((pos * 8) % chan->bits_per_sample != 0)
if ((pos * 8) % chan->bits_per_frame != 0)
return -EINVAL;
pos = (pos * 8) / chan->bits_per_sample;
pos = (pos * 8) / chan->bits_per_frame;
sv = chan->voices;
dv = plugin->dst_voices;
@ -176,13 +176,13 @@ static ssize_t mmap_dst_voices(snd_pcm_plugin_t *plugin,
++sv;
++dv;
}
return snd_pcm_mmap_samples_xfer(data->slave, plugin->channel, samples);
return snd_pcm_mmap_frames_xfer(data->slave, plugin->channel, frames);
}
static ssize_t mmap_playback_transfer(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices UNUSED,
size_t samples)
size_t frames)
{
mmap_t *data;
snd_pcm_channel_setup_t *setup;
@ -210,7 +210,7 @@ static ssize_t mmap_playback_transfer(snd_pcm_plugin_t *plugin,
}
#endif
snd_pcm_mmap_commit_samples(data->slave, SND_PCM_CHANNEL_PLAYBACK, samples);
snd_pcm_mmap_commit_frames(data->slave, SND_PCM_CHANNEL_PLAYBACK, frames);
if (ctrl->status == SND_PCM_STATUS_PREPARED &&
(chan->setup.start_mode == SND_PCM_START_DATA ||
(chan->setup.start_mode == SND_PCM_START_FULL &&
@ -219,13 +219,13 @@ static ssize_t mmap_playback_transfer(snd_pcm_plugin_t *plugin,
if (err < 0)
return err;
}
return samples;
return frames;
}
static ssize_t mmap_capture_transfer(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices UNUSED,
snd_pcm_plugin_voice_t *dst_voices UNUSED,
size_t samples)
size_t frames)
{
mmap_t *data;
snd_pcm_channel_setup_t *setup;
@ -243,8 +243,8 @@ static ssize_t mmap_capture_transfer(snd_pcm_plugin_t *plugin,
setup = &data->slave->chan[SND_PCM_CHANNEL_CAPTURE].setup;
/* FIXME: not here the increment */
snd_pcm_mmap_commit_samples(data->slave, SND_PCM_CHANNEL_CAPTURE, samples);
return samples;
snd_pcm_mmap_commit_frames(data->slave, SND_PCM_CHANNEL_CAPTURE, frames);
return frames;
}
static int mmap_action(snd_pcm_plugin_t *plugin,

30
src/pcm/plugin/mulaw.c
View file

@ -151,7 +151,7 @@ static int ulaw2linear(unsigned char u_val)
typedef void (*mulaw_f)(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples);
size_t frames);
typedef struct mulaw_private_data {
mulaw_f func;
@ -161,7 +161,7 @@ typedef struct mulaw_private_data {
static void mulaw_decode(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples)
size_t frames)
{
#define PUT_S16_LABELS
#include "plugin_ops.h"
@ -174,10 +174,10 @@ static void mulaw_decode(snd_pcm_plugin_t *plugin,
char *src;
char *dst;
int src_step, dst_step;
size_t samples1;
size_t frames1;
if (!src_voices[voice].enabled) {
if (dst_voices[voice].wanted)
snd_pcm_area_silence(&dst_voices[voice].area, 0, samples, plugin->dst_format.format);
snd_pcm_area_silence(&dst_voices[voice].area, 0, frames, plugin->dst_format.format);
dst_voices[voice].enabled = 0;
continue;
}
@ -186,8 +186,8 @@ static void mulaw_decode(snd_pcm_plugin_t *plugin,
dst = dst_voices[voice].area.addr + dst_voices[voice].area.first / 8;
src_step = src_voices[voice].area.step / 8;
dst_step = dst_voices[voice].area.step / 8;
samples1 = samples;
while (samples1-- > 0) {
frames1 = frames;
while (frames1-- > 0) {
signed short sample = ulaw2linear(*src);
goto *put;
#define PUT_S16_END after
@ -203,7 +203,7 @@ static void mulaw_decode(snd_pcm_plugin_t *plugin,
static void mulaw_encode(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples)
size_t frames)
{
#define GET_S16_LABELS
#include "plugin_ops.h"
@ -217,10 +217,10 @@ static void mulaw_encode(snd_pcm_plugin_t *plugin,
char *src;
char *dst;
int src_step, dst_step;
size_t samples1;
size_t frames1;
if (!src_voices[voice].enabled) {
if (dst_voices[voice].wanted)
snd_pcm_area_silence(&dst_voices[voice].area, 0, samples, plugin->dst_format.format);
snd_pcm_area_silence(&dst_voices[voice].area, 0, frames, plugin->dst_format.format);
dst_voices[voice].enabled = 0;
continue;
}
@ -229,8 +229,8 @@ static void mulaw_encode(snd_pcm_plugin_t *plugin,
dst = dst_voices[voice].area.addr + dst_voices[voice].area.first / 8;
src_step = src_voices[voice].area.step / 8;
dst_step = dst_voices[voice].area.step / 8;
samples1 = samples;
while (samples1-- > 0) {
frames1 = frames;
while (frames1-- > 0) {
goto *get;
#define GET_S16_END after
#include "plugin_ops.h"
@ -246,14 +246,14 @@ static void mulaw_encode(snd_pcm_plugin_t *plugin,
static ssize_t mulaw_transfer(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples)
size_t frames)
{
mulaw_t *data;
unsigned int voice;
if (plugin == NULL || src_voices == NULL || dst_voices == NULL)
return -EFAULT;
if (samples == 0)
if (frames == 0)
return 0;
for (voice = 0; voice < plugin->src_format.voices; voice++) {
if (src_voices[voice].area.first % 8 != 0 ||
@ -264,8 +264,8 @@ static ssize_t mulaw_transfer(snd_pcm_plugin_t *plugin,
return -EINVAL;
}
data = (mulaw_t *)plugin->extra_data;
data->func(plugin, src_voices, dst_voices, samples);
return samples;
data->func(plugin, src_voices, dst_voices, frames);
return frames;
}
int snd_pcm_plugin_build_mulaw(snd_pcm_plugin_handle_t *handle,

106
src/pcm/plugin/rate.c
View file

@ -50,14 +50,14 @@ typedef struct {
typedef void (*rate_f)(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
int src_samples, int dst_samples);
int src_frames, int dst_frames);
typedef struct rate_private_data {
unsigned int pitch;
unsigned int pos;
rate_f func;
int get, put;
ssize_t old_src_samples, old_dst_samples;
ssize_t old_src_frames, old_dst_frames;
rate_voice_t voices[0];
} rate_t;
@ -75,7 +75,7 @@ static void rate_init(snd_pcm_plugin_t *plugin)
static void resample_expand(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
int src_samples, int dst_samples)
int src_frames, int dst_frames)
{
unsigned int pos = 0;
signed int val;
@ -83,7 +83,7 @@ static void resample_expand(snd_pcm_plugin_t *plugin,
char *src, *dst;
unsigned int voice;
int src_step, dst_step;
int src_samples1, dst_samples1;
int src_frames1, dst_frames1;
rate_t *data = (rate_t *)plugin->extra_data;
rate_voice_t *rvoices = data->voices;
@ -106,7 +106,7 @@ static void resample_expand(snd_pcm_plugin_t *plugin,
S2 = rvoices->last_S2;
if (!src_voices[voice].enabled) {
if (dst_voices[voice].wanted)
snd_pcm_area_silence(&dst_voices[voice].area, 0, dst_samples, plugin->dst_format.format);
snd_pcm_area_silence(&dst_voices[voice].area, 0, dst_frames, plugin->dst_format.format);
dst_voices[voice].enabled = 0;
continue;
}
@ -115,8 +115,8 @@ static void resample_expand(snd_pcm_plugin_t *plugin,
dst = (char *)dst_voices[voice].area.addr + dst_voices[voice].area.first / 8;
src_step = src_voices[voice].area.step / 8;
dst_step = dst_voices[voice].area.step / 8;
src_samples1 = src_samples;
dst_samples1 = dst_samples;
src_frames1 = src_frames;
dst_frames1 = dst_frames;
if (pos & ~MASK) {
get_s16_end = &&after_get1;
goto *get;
@ -125,13 +125,13 @@ static void resample_expand(snd_pcm_plugin_t *plugin,
S1 = S2;
S2 = sample;
src += src_step;
src_samples--;
src_frames--;
}
while (dst_samples1-- > 0) {
while (dst_frames1-- > 0) {
if (pos & ~MASK) {
pos &= MASK;
S1 = S2;
if (src_samples1-- > 0) {
if (src_frames1-- > 0) {
get_s16_end = &&after_get2;
goto *get;
after_get2:
@ -163,7 +163,7 @@ static void resample_expand(snd_pcm_plugin_t *plugin,
static void resample_shrink(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
int src_samples, int dst_samples)
int src_frames, int dst_frames)
{
unsigned int pos = 0;
signed int val;
@ -171,7 +171,7 @@ static void resample_shrink(snd_pcm_plugin_t *plugin,
char *src, *dst;
unsigned int voice;
int src_step, dst_step;
int src_samples1, dst_samples1;
int src_frames1, dst_frames1;
rate_t *data = (rate_t *)plugin->extra_data;
rate_voice_t *rvoices = data->voices;
@ -190,7 +190,7 @@ static void resample_shrink(snd_pcm_plugin_t *plugin,
S2 = rvoices->last_S2;
if (!src_voices[voice].enabled) {
if (dst_voices[voice].wanted)
snd_pcm_area_silence(&dst_voices[voice].area, 0, dst_samples, plugin->dst_format.format);
snd_pcm_area_silence(&dst_voices[voice].area, 0, dst_frames, plugin->dst_format.format);
dst_voices[voice].enabled = 0;
continue;
}
@ -199,11 +199,11 @@ static void resample_shrink(snd_pcm_plugin_t *plugin,
dst = (char *)dst_voices[voice].area.addr + dst_voices[voice].area.first / 8;
src_step = src_voices[voice].area.step / 8;
dst_step = dst_voices[voice].area.step / 8;
src_samples1 = src_samples;
dst_samples1 = dst_samples;
while (dst_samples1 > 0) {
src_frames1 = src_frames;
dst_frames1 = dst_frames;
while (dst_frames1 > 0) {
S1 = S2;
if (src_samples1-- > 0) {
if (src_frames1-- > 0) {
goto *get;
#define GET_S16_END after_get
#include "plugin_ops.h"
@ -226,7 +226,7 @@ static void resample_shrink(snd_pcm_plugin_t *plugin,
#undef PUT_S16_END
after_put:
dst += dst_step;
dst_samples1--;
dst_frames1--;
}
pos += data->pitch;
}
@ -237,80 +237,80 @@ static void resample_shrink(snd_pcm_plugin_t *plugin,
data->pos = pos;
}
static ssize_t rate_src_samples(snd_pcm_plugin_t *plugin, size_t samples)
static ssize_t rate_src_frames(snd_pcm_plugin_t *plugin, size_t frames)
{
rate_t *data;
ssize_t res;
if (plugin == NULL || samples <= 0)
if (plugin == NULL || frames <= 0)
return -EINVAL;
data = (rate_t *)plugin->extra_data;
if (plugin->src_format.rate < plugin->dst_format.rate) {
res = (((samples * data->pitch) + (BITS/2)) >> SHIFT);
res = (((frames * data->pitch) + (BITS/2)) >> SHIFT);
} else {
res = (((samples << SHIFT) + (data->pitch / 2)) / data->pitch);
res = (((frames << SHIFT) + (data->pitch / 2)) / data->pitch);
}
if (data->old_src_samples > 0) {
ssize_t samples1 = samples, res1 = data->old_dst_samples;
while (data->old_src_samples < samples1) {
samples1 >>= 1;
if (data->old_src_frames > 0) {
ssize_t frames1 = frames, res1 = data->old_dst_frames;
while (data->old_src_frames < frames1) {
frames1 >>= 1;
res1 <<= 1;
}
while (data->old_src_samples > samples1) {
samples1 <<= 1;
while (data->old_src_frames > frames1) {
frames1 <<= 1;
res1 >>= 1;
}
if (data->old_src_samples == samples1)
if (data->old_src_frames == frames1)
return res1;
}
data->old_src_samples = samples;
data->old_dst_samples = res;
data->old_src_frames = frames;
data->old_dst_frames = res;
return res;
}
static ssize_t rate_dst_samples(snd_pcm_plugin_t *plugin, size_t samples)
static ssize_t rate_dst_frames(snd_pcm_plugin_t *plugin, size_t frames)
{
rate_t *data;
ssize_t res;
if (plugin == NULL || samples <= 0)
if (plugin == NULL || frames <= 0)
return -EINVAL;
data = (rate_t *)plugin->extra_data;
if (plugin->src_format.rate < plugin->dst_format.rate) {
res = (((samples << SHIFT) + (data->pitch / 2)) / data->pitch);
res = (((frames << SHIFT) + (data->pitch / 2)) / data->pitch);
} else {
res = (((samples * data->pitch) + (BITS/2)) >> SHIFT);
res = (((frames * data->pitch) + (BITS/2)) >> SHIFT);
}
if (data->old_dst_samples > 0) {
ssize_t samples1 = samples, res1 = data->old_src_samples;
while (data->old_dst_samples < samples1) {
samples1 >>= 1;
if (data->old_dst_frames > 0) {
ssize_t frames1 = frames, res1 = data->old_src_frames;
while (data->old_dst_frames < frames1) {
frames1 >>= 1;
res1 <<= 1;
}
while (data->old_dst_samples > samples1) {
samples1 <<= 1;
while (data->old_dst_frames > frames1) {
frames1 <<= 1;
res1 >>= 1;
}
if (data->old_dst_samples == samples1)
if (data->old_dst_frames == frames1)
return res1;
}
data->old_dst_samples = samples;
data->old_src_samples = res;
data->old_dst_frames = frames;
data->old_src_frames = res;
return res;
}
static ssize_t rate_transfer(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples)
size_t frames)
{
size_t dst_samples;
size_t dst_frames;
unsigned int voice;
rate_t *data;
if (plugin == NULL || src_voices == NULL || dst_voices == NULL)
return -EFAULT;
if (samples == 0)
if (frames == 0)
return 0;
for (voice = 0; voice < plugin->src_format.voices; voice++) {
if (src_voices[voice].area.first % 8 != 0 ||
@ -321,10 +321,10 @@ static ssize_t rate_transfer(snd_pcm_plugin_t *plugin,
return -EINVAL;
}
dst_samples = rate_dst_samples(plugin, samples);
dst_frames = rate_dst_frames(plugin, frames);
data = (rate_t *)plugin->extra_data;
data->func(plugin, src_voices, dst_voices, samples, dst_samples);
return dst_samples;
data->func(plugin, src_voices, dst_voices, frames, dst_frames);
return dst_frames;
}
static int rate_action(snd_pcm_plugin_t *plugin,
@ -392,10 +392,10 @@ int snd_pcm_plugin_build_rate(snd_pcm_plugin_handle_t *handle,
}
data->pos = 0;
rate_init(plugin);
data->old_src_samples = data->old_dst_samples = 0;
data->old_src_frames = data->old_dst_frames = 0;
plugin->transfer = rate_transfer;
plugin->src_samples = rate_src_samples;
plugin->dst_samples = rate_dst_samples;
plugin->src_frames = rate_src_frames;
plugin->dst_frames = rate_dst_frames;
plugin->action = rate_action;
*r_plugin = plugin;
return 0;

43
src/pcm/plugin/route.c
View file

@ -35,13 +35,22 @@
#include "../pcm_local.h"
#endif
/* The best possible hack to support missing optimization in gcc 2.7.2.3 */
#if ROUTE_PLUGIN_RESOLUTION & (ROUTE_PLUGIN_RESOLUTION - 1) != 0
#define div(a) a /= ROUTE_PLUGIN_RESOLUTION
#elif ROUTE_PLUGIN_RESOLUTION == 16
#define div(a) a >>= 4
#else
#error "Add some code here"
#endif
typedef struct ttable_dst ttable_dst_t;
typedef struct route_private_data route_t;
typedef void (*route_voice_f)(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voice,
ttable_dst_t* ttable, size_t samples);
ttable_dst_t* ttable, size_t frames);
typedef struct {
int voice;
@ -78,17 +87,17 @@ typedef union {
static void route_to_voice_from_zero(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices UNUSED,
snd_pcm_plugin_voice_t *dst_voice,
ttable_dst_t* ttable UNUSED, size_t samples)
ttable_dst_t* ttable UNUSED, size_t frames)
{
if (dst_voice->wanted)
snd_pcm_area_silence(&dst_voice->area, 0, samples, plugin->dst_format.format);
snd_pcm_area_silence(&dst_voice->area, 0, frames, plugin->dst_format.format);
dst_voice->enabled = 0;
}
static void route_to_voice_from_one(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voice,
ttable_dst_t* ttable, size_t samples)
ttable_dst_t* ttable, size_t frames)
{
#define CONV_LABELS
#include "plugin_ops.h"
@ -105,7 +114,7 @@ static void route_to_voice_from_one(snd_pcm_plugin_t *plugin,
break;
}
if (srcidx == ttable->nsrcs) {
route_to_voice_from_zero(plugin, src_voices, dst_voice, ttable, samples);
route_to_voice_from_zero(plugin, src_voices, dst_voice, ttable, frames);
return;
}
@ -115,7 +124,7 @@ static void route_to_voice_from_one(snd_pcm_plugin_t *plugin,
src_step = src_voice->area.step / 8;
dst = dst_voice->area.addr + dst_voice->area.first / 8;
dst_step = dst_voice->area.step / 8;
while (samples-- > 0) {
while (frames-- > 0) {
goto *conv;
#define CONV_END after
#include "plugin_ops.h"
@ -129,7 +138,7 @@ static void route_to_voice_from_one(snd_pcm_plugin_t *plugin,
static void route_to_voice(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voice,
ttable_dst_t* ttable, size_t samples)
ttable_dst_t* ttable, size_t frames)
{
#define GET_U_LABELS
#define PUT_U32_LABELS
@ -197,10 +206,10 @@ static void route_to_voice(snd_pcm_plugin_t *plugin,
}
nsrcs = srcidx1;
if (nsrcs == 0) {
route_to_voice_from_zero(plugin, src_voices, dst_voice, ttable, samples);
route_to_voice_from_zero(plugin, src_voices, dst_voice, ttable, frames);
return;
} else if (nsrcs == 1 && src_tt[0].as_int == ROUTE_PLUGIN_RESOLUTION) {
route_to_voice_from_one(plugin, src_voices, dst_voice, ttable, samples);
route_to_voice_from_one(plugin, src_voices, dst_voice, ttable, frames);
return;
}
@ -213,7 +222,7 @@ static void route_to_voice(snd_pcm_plugin_t *plugin,
dst = dst_voice->area.addr + dst_voice->area.first / 8;
dst_step = dst_voice->area.step / 8;
while (samples-- > 0) {
while (frames-- > 0) {
ttable_src_t *ttp = src_tt;
sum_t sum;
@ -277,21 +286,21 @@ static void route_to_voice(snd_pcm_plugin_t *plugin,
norm_int64_8_att:
sum.as_uint64 <<= 8;
norm_int64_0_att:
sum.as_uint64 /= ROUTE_PLUGIN_RESOLUTION;
div(sum.as_uint64);
goto norm_int;
norm_int32_16_att:
sum.as_uint64 = sum.as_uint32;
norm_int64_16_att:
sum.as_uint64 <<= 16;
sum.as_uint64 /= ROUTE_PLUGIN_RESOLUTION;
div(sum.as_uint64);
goto norm_int;
norm_int32_24_att:
sum.as_uint64 = sum.as_uint32;
norm_int64_24_att:
sum.as_uint64 <<= 24;
sum.as_uint64 /= ROUTE_PLUGIN_RESOLUTION;
div(sum.as_uint64);
goto norm_int;
norm_int32_8_noatt:
@ -478,7 +487,7 @@ static int route_load_ttable(snd_pcm_plugin_t *plugin,
static ssize_t route_transfer(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voices,
snd_pcm_plugin_voice_t *dst_voices,
size_t samples)
size_t frames)
{
route_t *data;
int src_nvoices, dst_nvoices;
@ -488,7 +497,7 @@ static ssize_t route_transfer(snd_pcm_plugin_t *plugin,
if (plugin == NULL || src_voices == NULL || dst_voices == NULL)
return -EFAULT;
if (samples == 0)
if (frames == 0)
return 0;
data = (route_t *)plugin->extra_data;
@ -509,11 +518,11 @@ static ssize_t route_transfer(snd_pcm_plugin_t *plugin,
ttp = data->ttable;
dvp = dst_voices;
for (dst_voice = 0; dst_voice < dst_nvoices; ++dst_voice) {
ttp->func(plugin, src_voices, dvp, ttp, samples);
ttp->func(plugin, src_voices, dvp, ttp, frames);
dvp++;
ttp++;
}
return samples;
return frames;
}
int getput_index(int format)