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Promoted plugin helpers to general use

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This commit is contained in:
Abramo Bagnara 2001-01-26 09:56:30 +00:00
parent 406587a531
commit c07201926b
9 changed files with 272 additions and 236 deletions
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28
src/pcm/pcm_alaw.c
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@ -120,11 +120,11 @@ static int alaw_to_s16(unsigned char a_val)
return ((a_val & 0x80) ? t : -t);
}
static void alaw_decode(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 putidx)
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,
snd_pcm_uframes_t dst_offset,
unsigned int channels, snd_pcm_uframes_t frames, int putidx)
{
#define PUT16_LABELS
#include "plugin_ops.h"
@ -165,7 +165,7 @@ static void alaw_decode(const snd_pcm_channel_area_t *src_areas,
}
}
static void alaw_encode(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,
snd_pcm_uframes_t dst_offset,
@ -315,19 +315,19 @@ static int snd_pcm_alaw_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
if (alaw->sformat == SND_PCM_FORMAT_A_LAW) {
alaw->getput_idx = get_index(snd_pcm_hw_param_value(params, SND_PCM_HW_PARAM_FORMAT, 0), SND_PCM_FORMAT_S16);
alaw->func = alaw_encode;
alaw->getput_idx = snd_pcm_linear_get_index(snd_pcm_hw_param_value(params, SND_PCM_HW_PARAM_FORMAT, 0), SND_PCM_FORMAT_S16);
alaw->func = snd_pcm_alaw_encode;
} else {
alaw->getput_idx = put_index(SND_PCM_FORMAT_S16, alaw->sformat);
alaw->func = alaw_decode;
alaw->getput_idx = snd_pcm_linear_put_index(SND_PCM_FORMAT_S16, alaw->sformat);
alaw->func = snd_pcm_alaw_decode;
}
} else {
if (alaw->sformat == SND_PCM_FORMAT_A_LAW) {
alaw->getput_idx = put_index(SND_PCM_FORMAT_S16, snd_pcm_hw_param_value(params, SND_PCM_HW_PARAM_FORMAT, 0));
alaw->func = alaw_decode;
alaw->getput_idx = snd_pcm_linear_put_index(SND_PCM_FORMAT_S16, snd_pcm_hw_param_value(params, SND_PCM_HW_PARAM_FORMAT, 0));
alaw->func = snd_pcm_alaw_decode;
} else {
alaw->getput_idx = get_index(alaw->sformat, SND_PCM_FORMAT_S16);
alaw->func = alaw_encode;
alaw->getput_idx = snd_pcm_linear_get_index(alaw->sformat, SND_PCM_FORMAT_S16);
alaw->func = snd_pcm_alaw_encode;
}
}
return 0;