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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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27
src/pcm/pcm_adpcm.c
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@ -51,10 +51,10 @@ IMA compatability project proceedings, Vol 2, Issue 2, May 1992.
#include "pcm_local.h"
#include "pcm_plugin.h"
typedef void (*adpcm_f)(const snd_pcm_channel_area_t *src_areas,
snd_pcm_uframes_t src_offset,
const snd_pcm_channel_area_t *dst_areas,
typedef void (*adpcm_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,
snd_pcm_adpcm_state_t *states);
@ -190,10 +190,10 @@ static int adpcm_decoder(unsigned char code, snd_pcm_adpcm_state_t * state)
return (state->pred_val);
}
void snd_pcm_adpcm_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_adpcm_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,
snd_pcm_adpcm_state_t *states)
{
@ -251,10 +251,10 @@ void snd_pcm_adpcm_decode(const snd_pcm_channel_area_t *src_areas,
}
}
void snd_pcm_adpcm_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_adpcm_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,
snd_pcm_adpcm_state_t *states)
{
@ -473,8 +473,8 @@ static snd_pcm_sframes_t snd_pcm_adpcm_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);
adpcm->func(areas, offset,
snd_pcm_mmap_areas(slave), snd_pcm_mmap_offset(slave),
adpcm->func(snd_pcm_mmap_areas(slave), snd_pcm_mmap_offset(slave),
areas, offset,
pcm->channels, frames,
adpcm->getput_idx, adpcm->states);
err = snd_pcm_mmap_forward(slave, frames);
@ -508,8 +508,8 @@ static snd_pcm_sframes_t snd_pcm_adpcm_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);
adpcm->func(snd_pcm_mmap_areas(slave), snd_pcm_mmap_offset(slave),
areas, offset,
adpcm->func(areas, offset,
snd_pcm_mmap_areas(slave), snd_pcm_mmap_offset(slave),
pcm->channels, frames,
adpcm->getput_idx, adpcm->states);
err = snd_pcm_mmap_forward(slave, frames);
@ -543,7 +543,6 @@ static void snd_pcm_adpcm_dump(snd_pcm_t *pcm, snd_output_t *out)
snd_pcm_ops_t snd_pcm_adpcm_ops = {
close: snd_pcm_plugin_close,
card: snd_pcm_plugin_card,
info: snd_pcm_plugin_info,
hw_refine: snd_pcm_adpcm_hw_refine,
hw_params: snd_pcm_adpcm_hw_params,