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big resampler rework: support integer-only resampling, support speex resampler

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1712 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-08-23 22:35:40 +00:00
parent 4eb9bb0746
commit ed4dc16b95
8 changed files with 723 additions and 442 deletions
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766
src/pulsecore/resampler.c
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File diff suppressed because it is too large Load diff

5
src/pulsecore/resampler.h
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@ -41,6 +41,11 @@ typedef enum pa_resample_method {
PA_RESAMPLER_SRC_ZERO_ORDER_HOLD = SRC_ZERO_ORDER_HOLD,
PA_RESAMPLER_SRC_LINEAR = SRC_LINEAR,
PA_RESAMPLER_TRIVIAL,
PA_RESAMPLER_SPEEX_FLOAT_BASE,
PA_RESAMPLER_SPEEX_FLOAT_MAX = PA_RESAMPLER_SPEEX_FLOAT_BASE + 10,
PA_RESAMPLER_SPEEX_FIXED_BASE,
PA_RESAMPLER_SPEEX_FIXED_MAX = PA_RESAMPLER_SPEEX_FIXED_BASE + 10,
PA_RESAMPLER_AUTO, /* automatic select based on sample format */
PA_RESAMPLER_MAX
} pa_resample_method_t;

3
src/pulsecore/sconv-s16be.c
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@ -33,6 +33,9 @@
#define pa_sconv_s16le_to_float32ne pa_sconv_s16be_to_float32ne
#define pa_sconv_s16le_from_float32ne pa_sconv_s16be_from_float32ne
#define pa_sconv_s16le_to_float32re pa_sconv_s16be_to_float32re
#define pa_sconv_s16le_from_float32re pa_sconv_s16be_from_float32re
#ifdef WORDS_BIGENDIAN
#define SWAP_WORDS 0
#else

15
src/pulsecore/sconv-s16be.h
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@ -24,7 +24,18 @@
USA.
***/
void pa_sconv_s16be_to_float32ne(unsigned n, const void *a, float *b);
void pa_sconv_s16be_from_float32ne(unsigned n, const float *a, void *b);
#include <inttypes.h>
void pa_sconv_s16be_to_float32ne(unsigned n, const int16_t *a, float *b);
void pa_sconv_s16be_from_float32ne(unsigned n, const float *a, int16_t *b);
void pa_sconv_s16be_to_float32re(unsigned n, const int16_t *a, float *b);
void pa_sconv_s16be_from_float32re(unsigned n, const float *a, int16_t *b);
#ifdef WORDS_BIGENDIAN
#define pa_sconv_float32be_to_s16ne pa_sconv_s16be_from_float32ne
#define pa_sconv_float32be_from_s16ne pa_sconv_s16be_to_float32ne
#define pa_sconv_float32le_to_s16ne pa_sconv_s16be_from_float32re
#define pa_sconv_float32le_from_s16ne pa_sconv_s16be_to_float32re
#endif
#endif

68
src/pulsecore/sconv-s16le.c
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@ -25,12 +25,12 @@
#include <config.h>
#endif
#include <assert.h>
#include <inttypes.h>
#include <liboil/liboilfuncs.h>
#include <pulsecore/sconv.h>
#include <pulsecore/macro.h>
#include <pulsecore/log.h>
#include "endianmacros.h"
@ -53,32 +53,28 @@
#endif
#endif
void pa_sconv_s16le_to_float32ne(unsigned n, const void *a, float *b) {
const int16_t *ca = a;
assert(a);
assert(b);
void pa_sconv_s16le_to_float32ne(unsigned n, const int16_t *a, float *b) {
pa_assert(a);
pa_assert(b);
#if SWAP_WORDS == 1
for (; n > 0; n--) {
int16_t s = *(ca++);
int16_t s = *(a++);
*(b++) = ((float) INT16_FROM(s))/0x7FFF;
}
#else
{
static const double add = 0, factor = 1.0/0x7FFF;
oil_scaleconv_f32_s16(b, ca, n, &add, &factor);
oil_scaleconv_f32_s16(b, a, n, &add, &factor);
}
#endif
}
void pa_sconv_s16le_from_float32ne(unsigned n, const float *a, void *b) {
int16_t *cb = b;
assert(a);
assert(b);
void pa_sconv_s16le_from_float32ne(unsigned n, const float *a, int16_t *b) {
pa_assert(a);
pa_assert(b);
#if SWAP_WORDS == 1
@ -93,13 +89,55 @@ void pa_sconv_s16le_from_float32ne(unsigned n, const float *a, void *b) {
v = -1;
s = (int16_t) (v * 0x7FFF);
*(cb++) = INT16_TO(s);
*(b++) = INT16_TO(s);
}
#else
{
static const double add = 0, factor = 0x7FFF;
oil_scaleconv_s16_f32(cb, a, n, &add, &factor);
oil_scaleconv_s16_f32(b, a, n, &add, &factor);
}
#endif
}
void pa_sconv_s16le_to_float32re(unsigned n, const int16_t *a, float *b) {
pa_assert(a);
pa_assert(b);
#if SWAP_WORDS == 1
for (; n > 0; n--) {
int16_t s = *(a++);
float k = ((float) INT16_FROM(s))/0x7FFF;
uint32_t *j = (uint32_t*) &k;
*j = UINT32_SWAP(*j);
*(b++) = k;
}
#endif
}
void pa_sconv_s16le_from_float32re(unsigned n, const float *a, int16_t *b) {
pa_assert(a);
pa_assert(b);
#if SWAP_WORDS == 1
for (; n > 0; n--) {
int16_t s;
float v = *(a++);
uint32_t *j = (uint32_t*) &v;
*j = UINT32_SWAP(*j);
if (v > 1)
v = 1;
if (v < -1)
v = -1;
s = (int16_t) (v * 0x7FFF);
*(b++) = INT16_TO(s);
}
#endif
}

15
src/pulsecore/sconv-s16le.h
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@ -24,7 +24,18 @@
USA.
***/
void pa_sconv_s16le_to_float32ne(unsigned n, const void *a, float *b);
void pa_sconv_s16le_from_float32ne(unsigned n, const float *a, void *b);
#include <inttypes.h>
void pa_sconv_s16le_to_float32ne(unsigned n, const int16_t *a, float *b);
void pa_sconv_s16le_from_float32ne(unsigned n, const float *a, int16_t *b);
void pa_sconv_s16le_to_float32re(unsigned n, const int16_t *a, float *b);
void pa_sconv_s16le_from_float32re(unsigned n, const float *a, int16_t *b);
#ifndef WORDS_BIGENDIAN
#define pa_sconv_float32be_to_s16ne pa_sconv_s16le_from_float32re
#define pa_sconv_float32be_from_s16ne pa_sconv_s16le_to_float32re
#define pa_sconv_float32le_to_s16ne pa_sconv_s16le_from_float32ne
#define pa_sconv_float32le_from_s16ne pa_sconv_s16le_to_float32ne
#endif
#endif

263
src/pulsecore/sconv.c
View file

@ -28,12 +28,12 @@
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <liboil/liboilfuncs.h>
#include <liboil/liboil.h>
#include <pulsecore/g711.h>
#include <pulsecore/macro.h>
#include "endianmacros.h"
#include "sconv-s16le.h"
@ -41,71 +41,92 @@
#include "sconv.h"
static void u8_to_float32ne(unsigned n, const void *a, float *b) {
const uint8_t *ca = a;
/* u8 */
static void u8_to_float32ne(unsigned n, const uint8_t *a, float *b) {
static const double add = -128.0/127.0, factor = 1.0/127.0;
assert(a);
assert(b);
pa_assert(a);
pa_assert(b);
oil_scaleconv_f32_u8(b, ca, n, &add, &factor);
oil_scaleconv_f32_u8(b, a, n, &add, &factor);
}
static void u8_from_float32ne(unsigned n, const float *a, void *b) {
uint8_t *cb = b;
static void u8_from_float32ne(unsigned n, const float *a, uint8_t *b) {
static const double add = 128.0, factor = 127.0;
assert(a);
assert(b);
pa_assert(a);
pa_assert(b);
oil_scaleconv_u8_f32(cb, a, n, &add, &factor);
oil_scaleconv_u8_f32(b, a, n, &add, &factor);
}
static void float32ne_to_float32ne(unsigned n, const void *a, float *b) {
assert(a);
assert(b);
static void u8_to_s16ne(unsigned n, const uint8_t *a, int16_t *b) {
static const int16_t add = -128, factor = 0x100;
pa_assert(a);
pa_assert(b);
oil_conv_s16_u8(b, 2, a, 1, n);
oil_scalaradd_s16(b, 2, b, 2, &add, n);
oil_scalarmult_s16(b, 2, b, 2, &factor, n);
}
static void u8_from_s16ne(unsigned n, const int16_t *a, uint8_t *b) {
pa_assert(a);
pa_assert(b);
for (; n > 0; n--, a ++, a++)
*b = (uint8_t) (*a / 0x100 + 0x80);
}
/* float32 */
static void float32ne_to_float32ne(unsigned n, const float *a, float *b) {
pa_assert(a);
pa_assert(b);
oil_memcpy(b, a, sizeof(float) * n);
}
static void float32ne_from_float32ne(unsigned n, const float *a, void *b) {
assert(a);
assert(b);
static void float32re_to_float32ne(unsigned n, const float *a, float *b) {
pa_assert(a);
pa_assert(b);
oil_memcpy(b, a, sizeof(float) * n);
for (; n > 0; n--, a++, b++)
*((uint32_t *) b) = UINT32_SWAP(*((uint32_t *) a));
}
static void float32re_to_float32ne(unsigned n, const void *a, float *b) {
assert(a);
assert(b);
/* s16 */
while (n-- > 0)
((uint32_t *)b)[n] = UINT32_SWAP (((uint32_t *)a)[n]);
static void s16ne_to_s16ne(unsigned n, const int16_t *a, int16_t *b) {
pa_assert(a);
pa_assert(b);
oil_memcpy(b, a, sizeof(int16_t) * n);
}
static void float32re_from_float32ne(unsigned n, const float *a, void *b) {
assert(a);
assert(b);
static void s16re_to_s16ne(unsigned n, const int16_t *a, int16_t *b) {
pa_assert(a);
pa_assert(b);
while (n-- > 0)
((uint32_t *)b)[n] = UINT32_SWAP (((uint32_t *)a)[n]);
for (; n > 0; n--, a++, b++)
*b = UINT16_SWAP(*a);
}
static void ulaw_to_float32ne(unsigned n, const void *a, float *b) {
const uint8_t *ca = a;
/* ulaw */
assert(a);
assert(b);
static void ulaw_to_float32ne(unsigned n, const uint8_t *a, float *b) {
pa_assert(a);
pa_assert(b);
for (; n > 0; n--)
*(b++) = st_ulaw2linear16(*(ca++)) * 1.0F / 0x7FFF;
*(b++) = st_ulaw2linear16(*(a++)) * 1.0F / 0x7FFF;
}
static void ulaw_from_float32ne(unsigned n, const float *a, void *b) {
uint8_t *cb = b;
assert(a);
assert(b);
static void ulaw_from_float32ne(unsigned n, const float *a, uint8_t *b) {
pa_assert(a);
pa_assert(b);
for (; n > 0; n--) {
float v = *(a++);
@ -116,28 +137,42 @@ static void ulaw_from_float32ne(unsigned n, const float *a, void *b) {
if (v < -1)
v = -1;
*(cb++) = st_14linear2ulaw((int16_t) (v * 0x1FFF));
*(b++) = st_14linear2ulaw((int16_t) (v * 0x1FFF));
}
}
static void alaw_to_float32ne(unsigned n, const void *a, float *b) {
const uint8_t *ca = a;
static void ulaw_to_s16ne(unsigned n, const uint8_t *a, int16_t *b) {
pa_assert(a);
pa_assert(b);
assert(a);
assert(b);
for (; n > 0; n--)
*(b++) = st_alaw2linear16(*(ca++)) * 1.0F / 0x7FFF;
for (; n > 0; n--, a++, b++)
*b = st_ulaw2linear16(*a);
}
static void alaw_from_float32ne(unsigned n, const float *a, void *b) {
uint8_t *cb = b;
static void ulaw_from_s16ne(unsigned n, const int16_t *a, uint8_t *b) {
pa_assert(a);
pa_assert(b);
assert(a);
assert(b);
for (; n > 0; n--, a++, b++)
*b = st_14linear2ulaw(*a >> 2);
}
for (; n > 0; n--) {
float v = *(a++);
/* alaw */
static void alaw_to_float32ne(unsigned n, const uint8_t *a, float *b) {
pa_assert(a);
pa_assert(b);
for (; n > 0; n--, a++, b++)
*b = st_alaw2linear16(*a) * 1.0F / 0x7FFF;
}
static void alaw_from_float32ne(unsigned n, const float *a, uint8_t *b) {
pa_assert(a);
pa_assert(b);
for (; n > 0; n--, a++, b++) {
float v = *a;
if (v > 1)
v = 1;
@ -145,48 +180,94 @@ static void alaw_from_float32ne(unsigned n, const float *a, void *b) {
if (v < -1)
v = -1;
*(cb++) = st_13linear2alaw((int16_t) (v * 0xFFF));
*b = st_13linear2alaw((int16_t) (v * 0xFFF));
}
}
pa_convert_to_float32ne_func_t pa_get_convert_to_float32ne_function(pa_sample_format_t f) {
switch(f) {
case PA_SAMPLE_U8:
return u8_to_float32ne;
case PA_SAMPLE_S16LE:
return pa_sconv_s16le_to_float32ne;
case PA_SAMPLE_S16BE:
return pa_sconv_s16be_to_float32ne;
case PA_SAMPLE_FLOAT32NE:
return float32ne_to_float32ne;
case PA_SAMPLE_FLOAT32RE:
return float32re_to_float32ne;
case PA_SAMPLE_ALAW:
return alaw_to_float32ne;
case PA_SAMPLE_ULAW:
return ulaw_to_float32ne;
default:
return NULL;
}
static void alaw_to_s16ne(unsigned n, const int8_t *a, int16_t *b) {
pa_assert(a);
pa_assert(b);
for (; n > 0; n--, a++, b++)
*b = st_alaw2linear16(*a);
}
pa_convert_from_float32ne_func_t pa_get_convert_from_float32ne_function(pa_sample_format_t f) {
switch(f) {
case PA_SAMPLE_U8:
return u8_from_float32ne;
case PA_SAMPLE_S16LE:
return pa_sconv_s16le_from_float32ne;
case PA_SAMPLE_S16BE:
return pa_sconv_s16be_from_float32ne;
case PA_SAMPLE_FLOAT32NE:
return float32ne_from_float32ne;
case PA_SAMPLE_FLOAT32RE:
return float32re_from_float32ne;
case PA_SAMPLE_ALAW:
return alaw_from_float32ne;
case PA_SAMPLE_ULAW:
return ulaw_from_float32ne;
default:
return NULL;
}
static void alaw_from_s16ne(unsigned n, const int16_t *a, uint8_t *b) {
pa_assert(a);
pa_assert(b);
for (; n > 0; n--)
*b = st_13linear2alaw(*a >> 3);
}
pa_convert_func_t pa_get_convert_to_float32ne_function(pa_sample_format_t f) {
static const pa_convert_func_t table[] = {
[PA_SAMPLE_U8] = (pa_convert_func_t) u8_to_float32ne,
[PA_SAMPLE_ALAW] = (pa_convert_func_t) alaw_to_float32ne,
[PA_SAMPLE_ULAW] = (pa_convert_func_t) ulaw_to_float32ne,
[PA_SAMPLE_S16LE] = (pa_convert_func_t) pa_sconv_s16le_to_float32ne,
[PA_SAMPLE_S16BE] = (pa_convert_func_t) pa_sconv_s16be_to_float32ne,
[PA_SAMPLE_FLOAT32NE] = (pa_convert_func_t) float32ne_to_float32ne,
[PA_SAMPLE_FLOAT32RE] = (pa_convert_func_t) float32re_to_float32ne,
};
pa_assert(f >= 0);
pa_assert(f < PA_SAMPLE_MAX);
return table[f];
}
pa_convert_func_t pa_get_convert_from_float32ne_function(pa_sample_format_t f) {
static const pa_convert_func_t table[] = {
[PA_SAMPLE_U8] = (pa_convert_func_t) u8_from_float32ne,
[PA_SAMPLE_S16LE] = (pa_convert_func_t) pa_sconv_s16le_from_float32ne,
[PA_SAMPLE_S16BE] = (pa_convert_func_t) pa_sconv_s16be_from_float32ne,
[PA_SAMPLE_FLOAT32NE] = (pa_convert_func_t) float32ne_to_float32ne,
[PA_SAMPLE_FLOAT32RE] = (pa_convert_func_t) float32re_to_float32ne,
[PA_SAMPLE_ALAW] = (pa_convert_func_t) alaw_from_float32ne,
[PA_SAMPLE_ULAW] = (pa_convert_func_t) ulaw_from_float32ne
};
pa_assert(f >= 0);
pa_assert(f < PA_SAMPLE_MAX);
return table[f];
}
pa_convert_func_t pa_get_convert_to_s16ne_function(pa_sample_format_t f) {
static const pa_convert_func_t table[] = {
[PA_SAMPLE_U8] = (pa_convert_func_t) u8_to_s16ne,
[PA_SAMPLE_S16NE] = (pa_convert_func_t) s16ne_to_s16ne,
[PA_SAMPLE_S16RE] = (pa_convert_func_t) s16re_to_s16ne,
[PA_SAMPLE_FLOAT32BE] = (pa_convert_func_t) pa_sconv_float32be_to_s16ne,
[PA_SAMPLE_FLOAT32LE] = (pa_convert_func_t) pa_sconv_float32le_to_s16ne,
[PA_SAMPLE_ALAW] = (pa_convert_func_t) alaw_to_s16ne,
[PA_SAMPLE_ULAW] = (pa_convert_func_t) ulaw_to_s16ne
};
pa_assert(f >= 0);
pa_assert(f < PA_SAMPLE_MAX);
return table[f];
}
pa_convert_func_t pa_get_convert_from_s16ne_function(pa_sample_format_t f) {
static const pa_convert_func_t table[] = {
[PA_SAMPLE_U8] = (pa_convert_func_t) u8_from_s16ne,
[PA_SAMPLE_S16NE] = (pa_convert_func_t) s16ne_to_s16ne,
[PA_SAMPLE_S16RE] = (pa_convert_func_t) s16re_to_s16ne,
[PA_SAMPLE_FLOAT32BE] = (pa_convert_func_t) pa_sconv_float32be_from_s16ne,
[PA_SAMPLE_FLOAT32LE] = (pa_convert_func_t) pa_sconv_float32le_from_s16ne,
[PA_SAMPLE_ALAW] = (pa_convert_func_t) alaw_from_s16ne,
[PA_SAMPLE_ULAW] = (pa_convert_func_t) ulaw_from_s16ne,
};
pa_assert(f >= 0);
pa_assert(f < PA_SAMPLE_MAX);
return table[f];
}

10
src/pulsecore/sconv.h
View file

@ -27,10 +27,12 @@
#include <pulse/sample.h>
typedef void (*pa_convert_to_float32ne_func_t)(unsigned n, const void *a, float *b);
typedef void (*pa_convert_from_float32ne_func_t)(unsigned n, const float *a, void *b);
typedef void (*pa_convert_func_t)(unsigned n, const void *a, void *b);
pa_convert_to_float32ne_func_t pa_get_convert_to_float32ne_function(pa_sample_format_t f);
pa_convert_from_float32ne_func_t pa_get_convert_from_float32ne_function(pa_sample_format_t f);
pa_convert_func_t pa_get_convert_to_float32ne_function(pa_sample_format_t f);
pa_convert_func_t pa_get_convert_from_float32ne_function(pa_sample_format_t f);
pa_convert_func_t pa_get_convert_to_s16ne_function(pa_sample_format_t f);
pa_convert_func_t pa_get_convert_from_s16ne_function(pa_sample_format_t f);
#endif