254 lines
7.2 KiB
C
254 lines
7.2 KiB
C
/* Copyright (c) 2003-2008 Jean-Marc Valin
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Copyright (c) 2007-2008 CSIRO
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Copyright (c) 2007-2009 Xiph.Org Foundation
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Written by Jean-Marc Valin */
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/**
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@file arch.h
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@brief Various architecture definitions for CELT
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*/
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/*
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef ARCH_H
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#define ARCH_H
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#include "celt_types.h"
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#define CELT_SIG_SCALE 32768.f
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#define celt_fatal(str) _celt_fatal(str, __FILE__, __LINE__);
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#ifdef ENABLE_ASSERTIONS
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#include <stdio.h>
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#include <stdlib.h>
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static inline void _celt_fatal(const char *str, const char *file, int line)
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{
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fprintf (stderr, "Fatal (internal) error in %s, line %d: %s\n", file, line, str);
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abort();
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}
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#define celt_assert(cond) {if (!(cond)) {celt_fatal("assertion failed: " #cond);}}
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#define celt_assert2(cond, message) {if (!(cond)) {celt_fatal("assertion failed: " #cond "\n" message);}}
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#else
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#define celt_assert(cond)
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#define celt_assert2(cond, message)
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#endif
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#define IMUL32(a,b) ((a)*(b))
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#define UMUL32(a,b) ((celt_int32)(a)*(celt_int32)(b))
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#define UMUL16_16(a,b) ((celt_int32)(a)*(celt_int32)(b))
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#define ABS(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute integer value. */
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#define ABS16(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 16-bit value. */
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#define MIN16(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum 16-bit value. */
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#define MAX16(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 16-bit value. */
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#define ABS32(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 32-bit value. */
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#define MIN32(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum 32-bit value. */
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#define MAX32(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 32-bit value. */
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#define IMIN(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum int value. */
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#define IMAX(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum int value. */
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#define UADD32(a,b) ((a)+(b))
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#define USUB32(a,b) ((a)-(b))
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#define PRINT_MIPS(file)
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#ifdef FIXED_POINT
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typedef celt_int16 celt_word16;
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typedef celt_int32 celt_word32;
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typedef celt_word32 celt_sig;
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typedef celt_word16 celt_norm;
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typedef celt_word32 celt_ener;
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typedef celt_word32 celt_mask;
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#define Q15ONE 32767
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#define Q30ONE 1073741823
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#define SIG_SHIFT 12
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#define NORM_SCALING 16384
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#define NORM_SCALING_1 (1.f/16384.f)
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#define NORM_SHIFT 14
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#define ENER_SCALING 16384.f
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#define ENER_SCALING_1 (1.f/16384.f)
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#define ENER_SHIFT 14
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#define PGAIN_SCALING 32768.f
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#define PGAIN_SCALING_1 (1.f/32768.f)
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#define PGAIN_SHIFT 15
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#define DB_SHIFT 10
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#define EPSILON 1
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#define VERY_SMALL 0
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#define VERY_LARGE32 ((celt_word32)2147483647)
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#define VERY_LARGE16 ((celt_word16)32767)
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#define Q15_ONE ((celt_word16)32767)
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#define Q15_ONE_1 (1.f/32768.f)
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#define SCALEIN(a) (a)
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#define SCALEOUT(a) (a)
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#ifdef FIXED_DEBUG
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#include "fixed_debug.h"
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#else
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#include "fixed_generic.h"
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#ifdef ARM5E_ASM
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#include "fixed_arm5e.h"
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#elif defined (ARM4_ASM)
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#include "fixed_arm4.h"
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#elif defined (BFIN_ASM)
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#include "fixed_bfin.h"
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#elif defined (TI_C5X_ASM)
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#include "fixed_c5x.h"
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#elif defined (TI_C6X_ASM)
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#include "fixed_c6x.h"
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#endif
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#endif
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#else /* FIXED_POINT */
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typedef float celt_word16;
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typedef float celt_word32;
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typedef float celt_sig;
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typedef float celt_norm;
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typedef float celt_ener;
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typedef float celt_pgain;
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typedef float celt_mask;
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#define Q15ONE 1.0f
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#define Q30ONE 1.0f
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#define NORM_SCALING 1.f
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#define NORM_SCALING_1 1.f
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#define ENER_SCALING 1.f
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#define ENER_SCALING_1 1.f
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#define PGAIN_SCALING 1.f
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#define PGAIN_SCALING_1 1.f
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#define EPSILON 1e-15f
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#define VERY_SMALL 1e-15f
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#define VERY_LARGE32 1e15f
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#define VERY_LARGE16 1e15f
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#define Q15_ONE ((celt_word16)1.f)
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#define Q15_ONE_1 ((celt_word16)1.f)
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#define QCONST16(x,bits) (x)
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#define QCONST32(x,bits) (x)
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#define NEG16(x) (-(x))
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#define NEG32(x) (-(x))
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#define EXTRACT16(x) (x)
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#define EXTEND32(x) (x)
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#define SHR16(a,shift) (a)
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#define SHL16(a,shift) (a)
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#define SHR32(a,shift) (a)
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#define SHL32(a,shift) (a)
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#define PSHR16(a,shift) (a)
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#define PSHR32(a,shift) (a)
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#define VSHR32(a,shift) (a)
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#define SATURATE16(x,a) (x)
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#define SATURATE32(x,a) (x)
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#define PSHR(a,shift) (a)
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#define SHR(a,shift) (a)
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#define SHL(a,shift) (a)
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#define SATURATE(x,a) (x)
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#define ROUND16(a,shift) (a)
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#define HALF32(x) (.5f*(x))
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#define ADD16(a,b) ((a)+(b))
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#define SUB16(a,b) ((a)-(b))
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#define ADD32(a,b) ((a)+(b))
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#define SUB32(a,b) ((a)-(b))
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#define MULT16_16_16(a,b) ((a)*(b))
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#define MULT16_16(a,b) ((celt_word32)(a)*(celt_word32)(b))
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#define MAC16_16(c,a,b) ((c)+(celt_word32)(a)*(celt_word32)(b))
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#define MULT16_32_Q11(a,b) ((a)*(b))
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#define MULT16_32_Q13(a,b) ((a)*(b))
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#define MULT16_32_Q14(a,b) ((a)*(b))
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#define MULT16_32_Q15(a,b) ((a)*(b))
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#define MULT16_32_Q16(a,b) ((a)*(b))
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#define MULT16_32_P15(a,b) ((a)*(b))
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#define MULT32_32_Q31(a,b) ((a)*(b))
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#define MAC16_32_Q11(c,a,b) ((c)+(a)*(b))
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#define MAC16_32_Q15(c,a,b) ((c)+(a)*(b))
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#define MAC16_16_Q11(c,a,b) ((c)+(a)*(b))
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#define MAC16_16_Q13(c,a,b) ((c)+(a)*(b))
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#define MAC16_16_P13(c,a,b) ((c)+(a)*(b))
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#define MULT16_16_Q11_32(a,b) ((a)*(b))
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#define MULT16_16_Q13(a,b) ((a)*(b))
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#define MULT16_16_Q14(a,b) ((a)*(b))
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#define MULT16_16_Q15(a,b) ((a)*(b))
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#define MULT16_16_P15(a,b) ((a)*(b))
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#define MULT16_16_P13(a,b) ((a)*(b))
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#define MULT16_16_P14(a,b) ((a)*(b))
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#define DIV32_16(a,b) (((celt_word32)(a))/(celt_word16)(b))
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#define PDIV32_16(a,b) (((celt_word32)(a))/(celt_word16)(b))
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#define DIV32(a,b) (((celt_word32)(a))/(celt_word32)(b))
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#define PDIV32(a,b) (((celt_word32)(a))/(celt_word32)(b))
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#define SCALEIN(a) ((a)*CELT_SIG_SCALE)
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#define SCALEOUT(a) ((a)*(1/CELT_SIG_SCALE))
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#endif /* !FIXED_POINT */
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#if defined (CONFIG_TI_C54X) || defined (CONFIG_TI_C55X)
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/* 2 on TI C5x DSP */
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#define BYTES_PER_CHAR 2
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#define BITS_PER_CHAR 16
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#define LOG2_BITS_PER_CHAR 4
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#else /* CONFIG_TI_C54X */
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#define BYTES_PER_CHAR 1
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#define BITS_PER_CHAR 8
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#define LOG2_BITS_PER_CHAR 3
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#endif /* !CONFIG_TI_C54X */
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#ifndef GLOBAL_STACK_SIZE
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#ifdef FIXED_POINT
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#define GLOBAL_STACK_SIZE 100000
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#else
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#define GLOBAL_STACK_SIZE 100000
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#endif
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#endif
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#endif /* ARCH_H */
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