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Removed card type from devices info. Added card number to devices info. Completed encapsulation of PCM API. Removed snd_pcm_card(). All copy functions now have the form copy(dst, src).

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This commit is contained in:
Abramo Bagnara 2001-01-31 17:26:56 +00:00
parent 8e9a23acb5
commit de19407578
58 changed files with 560 additions and 382 deletions
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35
src/pcm/pcm_alaw.c
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@ -23,11 +23,11 @@
#include "pcm_local.h"
#include "pcm_plugin.h"
typedef void (*alaw_f)(const snd_pcm_channel_area_t *src_areas,
snd_pcm_uframes_t src_offset,
const snd_pcm_channel_area_t *dst_areas,
snd_pcm_uframes_t dst_offset,
unsigned int channels, snd_pcm_uframes_t frames, int getputidx);
typedef void (*alaw_f)(const snd_pcm_channel_area_t *dst_areas,
snd_pcm_uframes_t dst_offset,
const snd_pcm_channel_area_t *src_areas,
snd_pcm_uframes_t src_offset,
unsigned int channels, snd_pcm_uframes_t frames, int getputidx);
typedef struct {
/* This field need to be the first */
@ -120,10 +120,10 @@ static int alaw_to_s16(unsigned char a_val)
return ((a_val & 0x80) ? t : -t);
}
void snd_pcm_alaw_decode(const snd_pcm_channel_area_t *src_areas,
snd_pcm_uframes_t src_offset,
const snd_pcm_channel_area_t *dst_areas,
void snd_pcm_alaw_decode(const snd_pcm_channel_area_t *dst_areas,
snd_pcm_uframes_t dst_offset,
const snd_pcm_channel_area_t *src_areas,
snd_pcm_uframes_t src_offset,
unsigned int channels, snd_pcm_uframes_t frames, int putidx)
{
#define PUT16_LABELS
@ -165,10 +165,10 @@ void snd_pcm_alaw_decode(const snd_pcm_channel_area_t *src_areas,
}
}
void snd_pcm_alaw_encode(const snd_pcm_channel_area_t *src_areas,
snd_pcm_uframes_t src_offset,
const snd_pcm_channel_area_t *dst_areas,
void snd_pcm_alaw_encode(const snd_pcm_channel_area_t *dst_areas,
snd_pcm_uframes_t dst_offset,
const snd_pcm_channel_area_t *src_areas,
snd_pcm_uframes_t src_offset,
unsigned int channels, snd_pcm_uframes_t frames, int getidx)
{
#define GET16_LABELS
@ -348,10 +348,10 @@ static snd_pcm_sframes_t snd_pcm_alaw_write_areas(snd_pcm_t *pcm,
assert(size > 0);
while (xfer < size) {
snd_pcm_uframes_t frames = snd_pcm_mmap_playback_xfer(slave, size - xfer);
alaw->func(areas, offset,
snd_pcm_mmap_areas(slave), snd_pcm_mmap_offset(slave),
pcm->channels, frames,
alaw->getput_idx);
alaw->func(snd_pcm_mmap_areas(slave), snd_pcm_mmap_offset(slave),
areas, offset,
pcm->channels, frames,
alaw->getput_idx);
err = snd_pcm_mmap_forward(slave, frames);
if (err < 0)
break;
@ -383,8 +383,8 @@ static snd_pcm_sframes_t snd_pcm_alaw_read_areas(snd_pcm_t *pcm,
assert(size > 0);
while (xfer < size) {
snd_pcm_uframes_t frames = snd_pcm_mmap_capture_xfer(slave, size - xfer);
alaw->func(snd_pcm_mmap_areas(slave), snd_pcm_mmap_offset(slave),
areas, offset,
alaw->func(areas, offset,
snd_pcm_mmap_areas(slave), snd_pcm_mmap_offset(slave),
pcm->channels, frames,
alaw->getput_idx);
err = snd_pcm_mmap_forward(slave, frames);
@ -418,7 +418,6 @@ static void snd_pcm_alaw_dump(snd_pcm_t *pcm, snd_output_t *out)
snd_pcm_ops_t snd_pcm_alaw_ops = {
close: snd_pcm_plugin_close,
card: snd_pcm_plugin_card,
info: snd_pcm_plugin_info,
hw_refine: snd_pcm_alaw_hw_refine,
hw_params: snd_pcm_alaw_hw_params,