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7ad59c4e2cb752b10c45501aaa0db04c50a850db
test/intern/audaspace/intern/AUD_ConverterFunctions.cpp
Campbell Barton 61596d5bb3 patch [#30227] Various MSVC (32-bit) Warning and Typo Fixes 
made some small edits
- removed changes to AVI reading since the data types are apart of the format spec.
- absf -> abs for a double value in render code.
2012-02-17 19:21:47 +00:00

473 lines
11 KiB
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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* Copyright 2009-2011 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* Audaspace is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Audaspace; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file audaspace/intern/AUD_ConverterFunctions.cpp
* \ingroup audaspaceintern
*/
#include "AUD_ConverterFunctions.h"
#include "AUD_Buffer.h"
#define AUD_U8_0 0x80
#define AUD_S16_MAX ((int16_t)0x7FFF)
#define AUD_S16_MIN ((int16_t)0x8000)
#define AUD_S16_FLT 32767.0f
#define AUD_S32_MAX ((int32_t)0x7FFFFFFF)
#define AUD_S32_MIN ((int32_t)0x80000000)
#define AUD_S32_FLT 2147483647.0f
#define AUD_FLT_MAX 1.0f
#define AUD_FLT_MIN -1.0f
void AUD_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]) - AUD_U8_0) << 8;
}
void AUD_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] - AUD_U8_0;
target[i*3+1] = 0;
target[i*3+2] = 0;
}
}
void AUD_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] - AUD_U8_0;
target[i*3+1] = 0;
target[i*3] = 0;
}
}
void AUD_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]) - AUD_U8_0) << 24;
}
void AUD_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]) - AUD_U8_0) / ((float)AUD_U8_0);
}
void AUD_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]) - AUD_U8_0) / ((double)AUD_U8_0);
}
void AUD_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) + AUD_U8_0);
}
void AUD_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 AUD_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 AUD_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 AUD_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] / AUD_S16_FLT;
}
void AUD_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] / AUD_S16_FLT;
}
void AUD_convert_s24_u8_be(data_t* target, data_t* source, int length)
{
for(int i = 0; i < length; i++)
target[i] = source[i*3] ^ AUD_U8_0;
}
void AUD_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] ^ AUD_U8_0;
}
void AUD_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 AUD_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 AUD_convert_s24_s24(data_t* target, data_t* source, int length)
{
memcpy(target, source, length * 3);
}
void AUD_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 AUD_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 AUD_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 / AUD_S32_FLT;
}
}
void AUD_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 / AUD_S32_FLT;
}
}
void AUD_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 / AUD_S32_FLT;
}
}
void AUD_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 / AUD_S32_FLT;
}
}
void AUD_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) + AUD_U8_0);
}
void AUD_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 AUD_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 AUD_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 AUD_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] / AUD_S32_FLT;
}
void AUD_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] / AUD_S32_FLT;
}
void AUD_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] + AUD_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 AUD_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] <= AUD_FLT_MIN)
t[i] = AUD_S16_MIN;
else if(s[i] >= AUD_FLT_MAX)
t[i] = AUD_S16_MAX;
else
t[i] = (int16_t)(s[i] * AUD_S16_MAX);
}
}
void AUD_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] <= AUD_FLT_MIN)
t = AUD_S32_MIN;
else if(s[i] >= AUD_FLT_MAX)
t = AUD_S32_MAX;
else
t = (int32_t)(s[i]*AUD_S32_MAX);
target[i*3] = t >> 24 & 0xFF;
target[i*3+1] = t >> 16 & 0xFF;
target[i*3+2] = t >> 8 & 0xFF;
}
}
void AUD_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] <= AUD_FLT_MIN)
t = AUD_S32_MIN;
else if(s[i] >= AUD_FLT_MAX)
t = AUD_S32_MAX;
else
t = (int32_t)(s[i]*AUD_S32_MAX);
target[i*3+2] = t >> 24 & 0xFF;
target[i*3+1] = t >> 16 & 0xFF;
target[i*3] = t >> 8 & 0xFF;
}
}
void AUD_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] <= AUD_FLT_MIN)
t[i] = AUD_S32_MIN;
else if(s[i] >= AUD_FLT_MAX)
t[i] = AUD_S32_MAX;
else
t[i] = (int32_t)(s[i]*AUD_S32_MAX);
}
}
void AUD_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 AUD_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] + AUD_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 AUD_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] <= AUD_FLT_MIN)
t[i] = AUD_S16_MIN;
else if(s[i] >= AUD_FLT_MAX)
t[i] = AUD_S16_MAX;
else
t[i] = (int16_t)(s[i]*AUD_S16_MAX);
}
}
void AUD_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] <= AUD_FLT_MIN)
t = AUD_S32_MIN;
else if(s[i] >= AUD_FLT_MAX)
t = AUD_S32_MAX;
else
t = (int32_t)(s[i]*AUD_S32_MAX);
target[i*3] = t >> 24 & 0xFF;
target[i*3+1] = t >> 16 & 0xFF;
target[i*3+2] = t >> 8 & 0xFF;
}
}
void AUD_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] <= AUD_FLT_MIN)
t = AUD_S32_MIN;
else if(s[i] >= AUD_FLT_MAX)
t = AUD_S32_MAX;
else
t = (int32_t)(s[i]*AUD_S32_MAX);
target[i*3+2] = t >> 24 & 0xFF;
target[i*3+1] = t >> 16 & 0xFF;
target[i*3] = t >> 8 & 0xFF;
}
}
void AUD_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] <= AUD_FLT_MIN)
t[i] = AUD_S32_MIN;
else if(s[i] >= AUD_FLT_MAX)
t[i] = AUD_S32_MAX;
else
t[i] = (int32_t)(s[i]*AUD_S32_MAX);
}
}
void AUD_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];
}
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