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Differential D2716 Diff 8940 extern/audaspace/src/respec/ConverterFunctions.cpp

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extern/audaspace/src/respec/ConverterFunctions.cpp

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/*******************************************************************************
* Copyright 2009-2016 Jörg Müller
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
#include "respec/ConverterFunctions.h"
#include <stdint.h>
#define U8_0 0x80
#define S16_MAX ((int16_t)0x7FFF)
#define S16_MIN ((int16_t)0x8000)
#define S16_FLT 32767.0f
#define S32_MAX ((int32_t)0x7FFFFFFF)
#define S32_MIN ((int32_t)0x80000000)
#define S32_FLT 2147483647.0f
#define FLT_MAX 1.0f
#define FLT_MIN -1.0f
AUD_NAMESPACE_BEGIN
void convert_u8_s16(data_t* target, data_t* source, int length)
{
int16_t* t = (int16_t*) target;
for(int i = length - 1; i >= 0; i--)
t[i] = (((int16_t)source[i]) - U8_0) << 8;
}
void convert_u8_s24_be(data_t* target, data_t* source, int length)
{
for(int i = length - 1; i >= 0; i--)
{
target[i*3] = source[i] - U8_0;
target[i*3+1] = 0;
target[i*3+2] = 0;
}
}
void convert_u8_s24_le(data_t* target, data_t* source, int length)
{
for(int i = length - 1; i >= 0; i--)
{
target[i*3+2] = source[i] - U8_0;
target[i*3+1] = 0;
target[i*3] = 0;
}
}
void convert_u8_s32(data_t* target, data_t* source, int length)
{
int32_t* t = (int32_t*) target;
for(int i = length - 1; i >= 0; i--)
t[i] = (((int32_t)source[i]) - U8_0) << 24;
}
void convert_u8_float(data_t* target, data_t* source, int length)
{
float* t = (float*) target;
for(int i = length - 1; i >= 0; i--)
t[i] = (((int32_t)source[i]) - U8_0) / ((float)U8_0);
}
void convert_u8_double(data_t* target, data_t* source, int length)
{
double* t = (double*) target;
for(int i = length - 1; i >= 0; i--)
t[i] = (((int32_t)source[i]) - U8_0) / ((double)U8_0);
}
void convert_s16_u8(data_t* target, data_t* source, int length)
{
int16_t* s = (int16_t*) source;
for(int i = 0; i < length; i++)
target[i] = (unsigned char)((s[i] >> 8) + U8_0);
}
void convert_s16_s24_be(data_t* target, data_t* source, int length)
{
int16_t* s = (int16_t*) source;
int16_t t;
for(int i = length - 1; i >= 0; i--)
{
t = s[i];
target[i*3] = t >> 8 & 0xFF;
target[i*3+1] = t & 0xFF;
target[i*3+2] = 0;
}
}
void convert_s16_s24_le(data_t* target, data_t* source, int length)
{
int16_t* s = (int16_t*) source;
int16_t t;
for(int i = length - 1; i >= 0; i--)
{
t = s[i];
target[i*3+2] = t >> 8 & 0xFF;
target[i*3+1] = t & 0xFF;
target[i*3] = 0;
}
}
void convert_s16_s32(data_t* target, data_t* source, int length)
{
int16_t* s = (int16_t*) source;
int32_t* t = (int32_t*) target;
for(int i = length - 1; i >= 0; i--)
t[i] = ((int32_t)s[i]) << 16;
}
void convert_s16_float(data_t* target, data_t* source, int length)
{
int16_t* s = (int16_t*) source;
float* t = (float*) target;
for(int i = length - 1; i >= 0; i--)
t[i] = s[i] / S16_FLT;
}
void convert_s16_double(data_t* target, data_t* source, int length)
{
int16_t* s = (int16_t*) source;
double* t = (double*) target;
for(int i = length - 1; i >= 0; i--)
t[i] = s[i] / S16_FLT;
}
void convert_s24_u8_be(data_t* target, data_t* source, int length)
{
for(int i = 0; i < length; i++)
target[i] = source[i*3] ^ U8_0;
}
void convert_s24_u8_le(data_t* target, data_t* source, int length)
{
for(int i = 0; i < length; i++)
target[i] = source[i*3+2] ^ U8_0;
}
void convert_s24_s16_be(data_t* target, data_t* source, int length)
{
int16_t* t = (int16_t*) target;
for(int i = 0; i < length; i++)
t[i] = source[i*3] << 8 | source[i*3+1];
}
void convert_s24_s16_le(data_t* target, data_t* source, int length)
{
int16_t* t = (int16_t*) target;
for(int i = 0; i < length; i++)
t[i] = source[i*3+2] << 8 | source[i*3+1];
}
void convert_s24_s24(data_t* target, data_t* source, int length)
{
std::memcpy(target, source, length * 3);
}
void convert_s24_s32_be(data_t* target, data_t* source, int length)
{
int32_t* t = (int32_t*) target;
for(int i = length - 1; i >= 0; i--)
t[i] = source[i*3] << 24 | source[i*3+1] << 16 | source[i*3+2] << 8;
}
void convert_s24_s32_le(data_t* target, data_t* source, int length)
{
int32_t* t = (int32_t*) target;
for(int i = length - 1; i >= 0; i--)
t[i] = source[i*3+2] << 24 | source[i*3+1] << 16 | source[i*3] << 8;
}
void convert_s24_float_be(data_t* target, data_t* source, int length)
{
float* t = (float*) target;
int32_t s;
for(int i = length - 1; i >= 0; i--)
{
s = source[i*3] << 24 | source[i*3+1] << 16 | source[i*3+2] << 8;
t[i] = s / S32_FLT;
}
}
void convert_s24_float_le(data_t* target, data_t* source, int length)
{
float* t = (float*) target;
int32_t s;
for(int i = length - 1; i >= 0; i--)
{
s = source[i*3+2] << 24 | source[i*3+1] << 16 | source[i*3] << 8;
t[i] = s / S32_FLT;
}
}
void convert_s24_double_be(data_t* target, data_t* source, int length)
{
double* t = (double*) target;
int32_t s;
for(int i = length - 1; i >= 0; i--)
{
s = source[i*3] << 24 | source[i*3+1] << 16 | source[i*3+2] << 8;
t[i] = s / S32_FLT;
}
}
void convert_s24_double_le(data_t* target, data_t* source, int length)
{
double* t = (double*) target;
int32_t s;
for(int i = length - 1; i >= 0; i--)
{
s = source[i*3+2] << 24 | source[i*3+1] << 16 | source[i*3] << 8;
t[i] = s / S32_FLT;
}
}
void convert_s32_u8(data_t* target, data_t* source, int length)
{
int16_t* s = (int16_t*) source;
for(int i = 0; i < length; i++)
target[i] = (unsigned char)((s[i] >> 24) + U8_0);
}
void convert_s32_s16(data_t* target, data_t* source, int length)
{
int16_t* t = (int16_t*) target;
int32_t* s = (int32_t*) source;
for(int i = 0; i < length; i++)
t[i] = s[i] >> 16;
}
void convert_s32_s24_be(data_t* target, data_t* source, int length)
{
int32_t* s = (int32_t*) source;
int32_t t;
for(int i = 0; i < length; i++)
{
t = s[i];
target[i*3] = t >> 24 & 0xFF;
target[i*3+1] = t >> 16 & 0xFF;
target[i*3+2] = t >> 8 & 0xFF;
}
}
void convert_s32_s24_le(data_t* target, data_t* source, int length)
{
int32_t* s = (int32_t*) source;
int32_t t;
for(int i = 0; i < length; i++)
{
t = s[i];
target[i*3+2] = t >> 24 & 0xFF;
target[i*3+1] = t >> 16 & 0xFF;
target[i*3] = t >> 8 & 0xFF;
}
}
void convert_s32_float(data_t* target, data_t* source, int length)
{
int32_t* s = (int32_t*) source;
float* t = (float*) target;
for(int i = 0; i < length; i++)
t[i] = s[i] / S32_FLT;
}
void convert_s32_double(data_t* target, data_t* source, int length)
{
int32_t* s = (int32_t*) source;
double* t = (double*) target;
for(int i = length - 1; i >= 0; i--)
t[i] = s[i] / S32_FLT;
}
void convert_float_u8(data_t* target, data_t* source, int length)
{
float* s = (float*) source;
float t;
for(int i = 0; i < length; i++)
{
t = s[i] + FLT_MAX;
if(t <= 0.0f)
target[i] = 0;
else if(t >= 2.0f)
target[i] = 255;
else
target[i] = (unsigned char)(t*127);
}
}
void convert_float_s16(data_t* target, data_t* source, int length)
{
int16_t* t = (int16_t*) target;
float* s = (float*) source;
for(int i = 0; i < length; i++)
{
if(s[i] <= FLT_MIN)
t[i] = S16_MIN;
else if(s[i] >= FLT_MAX)
t[i] = S16_MAX;
else
t[i] = (int16_t)(s[i] * S16_MAX);
}
}
void convert_float_s24_be(data_t* target, data_t* source, int length)
{
int32_t t;
float* s = (float*) source;
for(int i = 0; i < length; i++)
{
if(s[i] <= FLT_MIN)
t = S32_MIN;
else if(s[i] >= FLT_MAX)
t = S32_MAX;
else
t = (int32_t)(s[i]*S32_MAX);
target[i*3] = t >> 24 & 0xFF;
target[i*3+1] = t >> 16 & 0xFF;
target[i*3+2] = t >> 8 & 0xFF;
}
}
void convert_float_s24_le(data_t* target, data_t* source, int length)
{
int32_t t;
float* s = (float*) source;
for(int i = 0; i < length; i++)
{
if(s[i] <= FLT_MIN)
t = S32_MIN;
else if(s[i] >= FLT_MAX)
t = S32_MAX;
else
t = (int32_t)(s[i]*S32_MAX);
target[i*3+2] = t >> 24 & 0xFF;
target[i*3+1] = t >> 16 & 0xFF;
target[i*3] = t >> 8 & 0xFF;
}
}
void convert_float_s32(data_t* target, data_t* source, int length)
{
int32_t* t = (int32_t*) target;
float* s = (float*) source;
for(int i = 0; i < length; i++)
{
if(s[i] <= FLT_MIN)
t[i] = S32_MIN;
else if(s[i] >= FLT_MAX)
t[i] = S32_MAX;
else
t[i] = (int32_t)(s[i]*S32_MAX);
}
}
void convert_float_double(data_t* target, data_t* source, int length)
{
float* s = (float*) source;
double* t = (double*) target;
for(int i = length - 1; i >= 0; i--)
t[i] = s[i];
}
void convert_double_u8(data_t* target, data_t* source, int length)
{
double* s = (double*) source;
double t;
for(int i = 0; i < length; i++)
{
t = s[i] + FLT_MAX;
if(t <= 0.0)
target[i] = 0;
else if(t >= 2.0)
target[i] = 255;
else
target[i] = (unsigned char)(t*127);
}
}
void convert_double_s16(data_t* target, data_t* source, int length)
{
int16_t* t = (int16_t*) target;
double* s = (double*) source;
for(int i = 0; i < length; i++)
{
if(s[i] <= FLT_MIN)
t[i] = S16_MIN;
else if(s[i] >= FLT_MAX)
t[i] = S16_MAX;
else
t[i] = (int16_t)(s[i]*S16_MAX);
}
}
void convert_double_s24_be(data_t* target, data_t* source, int length)
{
int32_t t;
double* s = (double*) source;
for(int i = 0; i < length; i++)
{
if(s[i] <= FLT_MIN)
t = S32_MIN;
else if(s[i] >= FLT_MAX)
t = S32_MAX;
else
t = (int32_t)(s[i]*S32_MAX);
target[i*3] = t >> 24 & 0xFF;
target[i*3+1] = t >> 16 & 0xFF;
target[i*3+2] = t >> 8 & 0xFF;
}
}
void convert_double_s24_le(data_t* target, data_t* source, int length)
{
int32_t t;
double* s = (double*) source;
for(int i = 0; i < length; i++)
{
if(s[i] <= FLT_MIN)
t = S32_MIN;
else if(s[i] >= FLT_MAX)
t = S32_MAX;
else
t = (int32_t)(s[i]*S32_MAX);
target[i*3+2] = t >> 24 & 0xFF;
target[i*3+1] = t >> 16 & 0xFF;
target[i*3] = t >> 8 & 0xFF;
}
}
void convert_double_s32(data_t* target, data_t* source, int length)
{
int32_t* t = (int32_t*) target;
double* s = (double*) source;
for(int i = 0; i < length; i++)
{
if(s[i] <= FLT_MIN)
t[i] = S32_MIN;
else if(s[i] >= FLT_MAX)
t[i] = S32_MAX;
else
t[i] = (int32_t)(s[i]*S32_MAX);
}
}
void convert_double_float(data_t* target, data_t* source, int length)
{
double* s = (double*) source;
float* t = (float*) target;
for(int i = 0; i < length; i++)
t[i] = s[i];
}
AUD_NAMESPACE_END