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Mega patch:

Browse source 
* implement inner loops using liboil
* drop "typeid" stuff
* add support for channel maps
* add support for seperate volumes per channel
* add support for hardware mixer settings (only module-oss implements this for now)
* fix a lot of types for _t suffix


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@463 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2006-01-27 16:25:31 +00:00
parent 759721cbbc
commit dd10c98241
114 changed files with 2584 additions and 1329 deletions
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155
polyp/sconv.c
View file

@ -26,6 +26,10 @@
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <liboil/liboilfuncs.h>
#include <liboil/liboil.h>
#include "endianmacros.h"
#include "sconv.h"
#include "g711.h"
@ -33,107 +37,58 @@
#include "sconv-s16le.h"
#include "sconv-s16be.h"
static void u8_to_float32ne(unsigned n, const void *a, unsigned an, float *b) {
unsigned i;
static void u8_to_float32ne(unsigned n, const void *a, float *b) {
const uint8_t *ca = a;
assert(n && a && an && b);
static const double add = -128.0/127.0, factor = 1.0/127.0;
assert(a);
assert(b);
for (; n > 0; n--) {
float sum = 0;
for (i = 0; i < an; i++) {
uint8_t v = *(ca++);
sum += (((float) v)-128)/127;
}
if (sum > 1)
sum = 1;
if (sum < -1)
sum = -1;
*(b++) = sum;
}
oil_scaleconv_f32_u8(b, ca, n, &add, &factor);
}
static void u8_from_float32ne(unsigned n, const float *a, void *b, unsigned bn) {
unsigned i;
static void u8_from_float32ne(unsigned n, const float *a, void *b) {
uint8_t *cb = b;
static const double add = 128.0, factor = 127.0;
assert(n && a && b && bn);
for (; n > 0; n--) {
float v = *(a++);
uint8_t u;
assert(a);
assert(b);
if (v > 1)
v = 1;
if (v < -1)
v = -1;
u = (uint8_t) (v*127+128);
for (i = 0; i < bn; i++)
*(cb++) = u;
}
oil_scaleconv_u8_f32(cb, a, n, &add, &factor);
}
static void float32ne_to_float32ne(unsigned n, const void *a, unsigned an, float *b) {
unsigned i;
const float *ca = a;
assert(n && a && an && b);
for (; n > 0; n--) {
float sum = 0;
static void float32ne_to_float32ne(unsigned n, const void *a, float *b) {
assert(a);
assert(b);
for (i = 0; i < an; i++)
sum += *(ca++);
if (sum > 1)
sum = 1;
if (sum < -1)
sum = -1;
*(b++) = sum;
}
oil_memcpy(b, a, sizeof(float) * n);
}
static void float32ne_from_float32ne(unsigned n, const float *a, void *b, unsigned bn) {
unsigned i;
float *cb = b;
assert(n && a && b && bn);
for (; n > 0; n--) {
float v = *(a++);
for (i = 0; i < bn; i++)
*(cb++) = v;
}
static void float32ne_from_float32ne(unsigned n, const float *a, void *b) {
assert(a);
assert(b);
oil_memcpy(b, a, sizeof(float) * n);
}
static void ulaw_to_float32ne(unsigned n, const void *a, unsigned an, float *b) {
unsigned i;
static void ulaw_to_float32ne(unsigned n, const void *a, float *b) {
const uint8_t *ca = a;
assert(n && a && an && b);
for (; n > 0; n--) {
float sum = 0;
for (i = 0; i < an; i++)
sum += st_ulaw2linear16(*ca++) * 1.0F / 0x7FFF;
if (sum > 1)
sum = 1;
if (sum < -1)
sum = -1;
*(b++) = sum;
}
assert(a);
assert(b);
for (; n > 0; n--)
*(b++) = st_ulaw2linear16(*(ca++)) * 1.0F / 0x7FFF;
}
static void ulaw_from_float32ne(unsigned n, const float *a, void *b, unsigned bn) {
unsigned i;
static void ulaw_from_float32ne(unsigned n, const float *a, void *b) {
uint8_t *cb = b;
assert(n && a && b && bn);
assert(a);
assert(b);
for (; n > 0; n--) {
float v = *(a++);
uint8_t u;
if (v > 1)
v = 1;
@ -141,40 +96,28 @@ static void ulaw_from_float32ne(unsigned n, const float *a, void *b, unsigned bn
if (v < -1)
v = -1;
u = st_14linear2ulaw((int16_t) (v * 0x1FFF));
for (i = 0; i < bn; i++)
*(cb++) = u;
*(cb++) = st_14linear2ulaw((int16_t) (v * 0x1FFF));
}
}
static void alaw_to_float32ne(unsigned n, const void *a, unsigned an, float *b) {
unsigned i;
static void alaw_to_float32ne(unsigned n, const void *a, float *b) {
const uint8_t *ca = a;
assert(n && a && an && b);
for (; n > 0; n--) {
float sum = 0;
for (i = 0; i < an; i++)
sum += st_alaw2linear16(*ca++) * 1.0F / 0x7FFF;
assert(a);
assert(b);
if (sum > 1)
sum = 1;
if (sum < -1)
sum = -1;
*(b++) = sum;
}
for (; n > 0; n--)
*(b++) = st_alaw2linear16(*(ca++)) * 1.0F / 0x7FFF;
}
static void alaw_from_float32ne(unsigned n, const float *a, void *b, unsigned bn) {
unsigned i;
static void alaw_from_float32ne(unsigned n, const float *a, void *b) {
uint8_t *cb = b;
assert(n && a && b && bn);
assert(a);
assert(b);
for (; n > 0; n--) {
float v = *(a++);
uint8_t u;
if (v > 1)
v = 1;
@ -182,15 +125,11 @@ static void alaw_from_float32ne(unsigned n, const float *a, void *b, unsigned bn
if (v < -1)
v = -1;
u = st_13linear2alaw((int16_t) (v * 0xFFF));
for (i = 0; i < bn; i++)
*(cb++) = u;
*(cb++) = st_13linear2alaw((int16_t) (v * 0xFFF));
}
}
pa_convert_to_float32ne_func_t pa_get_convert_to_float32ne_function(pa_sample_format f) {
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;
@ -209,7 +148,7 @@ pa_convert_to_float32ne_func_t pa_get_convert_to_float32ne_function(pa_sample_fo
}
}
pa_convert_from_float32ne_func_t pa_get_convert_from_float32ne_function(pa_sample_format f) {
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;