Spatial_Audio_Framework/arch_8h_source.html

/* Copyright (C) 2003 Jean-Marc Valin */

/*

   Redistribution and use in source and binary forms, with or without

   modification, are permitted provided that the following conditions

   are met:


   - Redistributions of source code must retain the above copyright

   notice, this list of conditions and the following disclaimer.


   - Redistributions in binary form must reproduce the above copyright

   notice, this list of conditions and the following disclaimer in the

   documentation and/or other materials provided with the distribution.


   - Neither the name of the Xiph.org Foundation nor the names of its

   contributors may be used to endorse or promote products derived from

   this software without specific prior written permission.


   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR

   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/


#ifndef ARCH_H

#define ARCH_H


#define FLOATING_POINT


/* A couple test to catch stupid option combinations */

#ifdef FIXED_POINT


#ifdef FLOATING_POINT

#error You cannot compile as floating point and fixed point at the same time

#endif

#ifdef USE_SSE

#error SSE is only for floating-point

#endif

#if defined(ARM4_ASM) + defined(ARM5E_ASM) + defined(BFIN_ASM) > 1

#error Make up your mind. What CPU do you have?

#endif

#ifdef VORBIS_PSYCHO

#error Vorbis-psy model currently not implemented in fixed-point

#endif


#else


#ifndef FLOATING_POINT

#error You now need to define either FIXED_POINT or FLOATING_POINT

#endif

#if defined(ARM4_ASM) || defined(ARM5E_ASM) || defined(BFIN_ASM)

#error I suppose you can have a [ARM4/ARM5E/Blackfin] that has float instructions?

#endif

#ifdef FIXED_DEBUG

#error "Don't you think enabling fixed-point is a good thing to do if you want to debug that?"

#endif


#endif


#ifndef OUTSIDE_SPEEX

#include "speexdsp_types.h"

#endif


#define ABS(x) ((x) < 0 ? (-(x)) : (x))

#define ABS16(x) ((x) < 0 ? (-(x)) : (x))

#define MIN16(a,b) ((a) < (b) ? (a) : (b))

#define MAX16(a,b) ((a) > (b) ? (a) : (b))

#define ABS32(x) ((x) < 0 ? (-(x)) : (x))

#define MIN32(a,b) ((a) < (b) ? (a) : (b))

#define MAX32(a,b) ((a) > (b) ? (a) : (b))

#ifdef FIXED_POINT


typedef spx_int16_t spx_word16_t;

typedef spx_int32_t spx_word32_t;

typedef spx_word32_t spx_mem_t;

typedef spx_word16_t spx_coef_t;

typedef spx_word16_t spx_lsp_t;

typedef spx_word32_t spx_sig_t;


#define Q15ONE 32767


#define LPC_SCALING  8192

#define SIG_SCALING  16384

#define LSP_SCALING  8192.

#define GAMMA_SCALING 32768.

#define GAIN_SCALING 64

#define GAIN_SCALING_1 0.015625


#define LPC_SHIFT    13

#define LSP_SHIFT    13

#define SIG_SHIFT    14

#define GAIN_SHIFT   6


#define WORD2INT(x) ((x) < -32767 ? -32768 : ((x) > 32766 ? 32767 : (x)))


#define VERY_SMALL 0

#define VERY_LARGE32 ((spx_word32_t)2147483647)

#define VERY_LARGE16 ((spx_word16_t)32767)

#define Q15_ONE ((spx_word16_t)32767)


#ifdef FIXED_DEBUG

#include "fixed_debug.h"

#else


#include "fixed_generic.h"


#ifdef ARM5E_ASM

#include "fixed_arm5e.h"

#elif defined(ARM4_ASM)

#include "fixed_arm4.h"

#elif defined(BFIN_ASM)

#include "fixed_bfin.h"

#endif


#endif


#else


typedef float spx_mem_t;

typedef float spx_coef_t;

typedef float spx_lsp_t;

typedef float spx_sig_t;

typedef float spx_word16_t;

typedef float spx_word32_t;


#define Q15ONE 1.0f

#define LPC_SCALING  1.f

#define SIG_SCALING  1.f

#define LSP_SCALING  1.f

#define GAMMA_SCALING 1.f

#define GAIN_SCALING 1.f

#define GAIN_SCALING_1 1.f


#define VERY_SMALL 1e-15f

#define VERY_LARGE32 1e15f

#define VERY_LARGE16 1e15f

#define Q15_ONE ((spx_word16_t)1.f)


#define QCONST16(x,bits) (x)

#define QCONST32(x,bits) (x)


#define NEG16(x) (-(x))

#define NEG32(x) (-(x))

#define EXTRACT16(x) (x)

#define EXTEND32(x) (x)

#define SHR16(a,shift) (a)

#define SHL16(a,shift) (a)

#define SHR32(a,shift) (a)

#define SHL32(a,shift) (a)

#define PSHR16(a,shift) (a)

#define PSHR32(a,shift) (a)

#define VSHR32(a,shift) (a)

#define SATURATE16(x,a) (x)

#define SATURATE32(x,a) (x)

#define SATURATE32PSHR(x,shift,a) (x)


#define PSHR(a,shift)       (a)

#define SHR(a,shift)       (a)

#define SHL(a,shift)       (a)

#define SATURATE(x,a) (x)


#define ADD16(a,b) ((a)+(b))

#define SUB16(a,b) ((a)-(b))

#define ADD32(a,b) ((a)+(b))

#define SUB32(a,b) ((a)-(b))

#define MULT16_16_16(a,b)     ((a)*(b))

#define MULT16_32_32(a,b)     ((a)*(b))

#define MULT16_16(a,b)     ((spx_word32_t)(a)*(spx_word32_t)(b))

#define MAC16_16(c,a,b)     ((c)+(spx_word32_t)(a)*(spx_word32_t)(b))


#define MULT16_32_Q15(a,b)     ((a)*(b))

#define MULT16_32_P15(a,b)     ((a)*(b))


#define MAC16_32_Q15(c,a,b)     ((c)+(a)*(b))


#define MAC16_16_Q11(c,a,b)     ((c)+(a)*(b))

#define MAC16_16_Q13(c,a,b)     ((c)+(a)*(b))

#define MAC16_16_P13(c,a,b)     ((c)+(a)*(b))

#define MULT16_16_Q11_32(a,b)     ((a)*(b))

#define MULT16_16_Q13(a,b)     ((a)*(b))

#define MULT16_16_Q14(a,b)     ((a)*(b))

#define MULT16_16_Q15(a,b)     ((a)*(b))

#define MULT16_16_P15(a,b)     ((a)*(b))

#define MULT16_16_P13(a,b)     ((a)*(b))

#define MULT16_16_P14(a,b)     ((a)*(b))


#define DIV32_16(a,b)     (((spx_word32_t)(a))/(spx_word16_t)(b))

#define PDIV32_16(a,b)     (((spx_word32_t)(a))/(spx_word16_t)(b))

#define DIV32(a,b)     (((spx_word32_t)(a))/(spx_word32_t)(b))

#define PDIV32(a,b)     (((spx_word32_t)(a))/(spx_word32_t)(b))


#define WORD2INT(x) ((x) < -32767.5f ? -32768 : \

                    ((x) > 32766.5f ? 32767 : (spx_int16_t)floor(.5 + (x))))

#endif


#if defined(CONFIG_TI_C54X) || defined(CONFIG_TI_C55X)


/* 2 on TI C5x DSP */

#define BYTES_PER_CHAR 2

#define BITS_PER_CHAR 16

#define LOG2_BITS_PER_CHAR 4


#else


#define BYTES_PER_CHAR 1

#define BITS_PER_CHAR 8

#define LOG2_BITS_PER_CHAR 3


#endif


#ifdef FIXED_DEBUG

extern long long spx_mips;

#endif


#endif

speexdsp_types.h
Speex types.