/* Copyright (c) 2003-2008 Jean-Marc Valin
Copyright ( c ) 2007 - 2008 CSIRO
Copyright ( c ) 2007 - 2009 Xiph . Org Foundation
Written by Jean-Marc Valin */
/**
@ file arch . h
@ brief Various architecture definitions for CELT
*/
/*
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 .
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 COPYRIGHT OWNER
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
#include "opus_types.h"
#include "opus_defines.h"
# if !defined (__GNUC_PREREQ)
# if defined (__GNUC__)&&defined (__GNUC_MINOR__)
# define __GNUC_PREREQ(_maj,_min) \
((__GNUC__<<16 )+__GNUC_MINOR__>=((_maj)<<16 )+(_min))
# else
# define __GNUC_PREREQ(_maj,_min) 0
# endif
# endif
#if OPUS_GNUC_PREREQ(3 , 0 )
#define opus_likely(x) (__builtin_expect(!!(x), 1 ))
#define opus_unlikely(x) (__builtin_expect(!!(x), 0 ))
#else
#define opus_likely(x) (!!(x))
#define opus_unlikely(x) (!!(x))
#endif
#define CELT_SIG_SCALE 32768 .f
#define CELT_FATAL(str) celt_fatal(str, __FILE__, __LINE__)
#if defined (ENABLE_ASSERTIONS) || defined (ENABLE_HARDENING)
#ifdef __GNUC__
__attribute__((noreturn))
#endif
void celt_fatal(const char *str, const char *file, int line);
#if defined (CELT_C) && !defined (OVERRIDE_celt_fatal)
#include <stdio.h>
#include <stdlib.h>
#ifdef __GNUC__
__attribute__((noreturn))
#endif
void celt_fatal(const char *str, const char *file, int line)
{
fprintf (stderr, "Fatal (internal) error in %s, line %d: %s\n" , file, line, str);
#if defined (_MSC_VER)
_set_abort_behavior( 0 , _WRITE_ABORT_MSG);
#endif
abort();
}
#endif
#define celt_assert(cond) {if (!(cond)) {CELT_FATAL("assertion failed: " #cond );}}
#define celt_assert2(cond, message) {if (!(cond)) {CELT_FATAL("assertion failed: " #cond "\n" message);}}
#define MUST_SUCCEED(call) celt_assert((call) == OPUS_OK)
#else
#define celt_assert(cond) ((void )(cond))
#define celt_assert2(cond, message) ((void )(cond))
#define MUST_SUCCEED(call) do {if ((call) != OPUS_OK) {RESTORE_STACK; return OPUS_INTERNAL_ERROR;} } while (0 )
#endif
#if defined (ENABLE_ASSERTIONS)
#define celt_sig_assert(cond) {if (!(cond)) {CELT_FATAL("signal assertion failed: " #cond );}}
#else
#define celt_sig_assert(cond) ((void )(cond))
#endif
#define IMUL32(a,b) ((a)*(b))
#define MIN16(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum 16-bit value. */
#define MAX16(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 16-bit value. */
#define MIN32(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum 32-bit value. */
#define MAX32(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 32-bit value. */
#define IMIN(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum int value. */
#define IMAX(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum int value. */
#define FMIN(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum float value. */
#define FMAX(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum float value. */
#define UADD32(a,b) ((a)+(b))
#define USUB32(a,b) ((a)-(b))
#define MAXG(a,b) MAX32(a, b)
#define MING(a,b) MIN32(a, b)
/* Throughout the code, we use the following scaling for signals:
FLOAT : used for float API , normalized to + / - 1 .
INT16 : used for 16 - bit API , normalized to + / - 32768
RES : internal Opus resolution , defined as + / - 1 . in float builds , or either 16 - bit or 24 - bit int for fixed - point builds
SIG : internal CELT resolution : defined as + / - 32768 . in float builds , or Q27 in fixed - point builds ( int16 shifted by 12 )
*/
/* Set this if opus_int64 is a native type of the CPU. */
/* Assume that all LP64 architectures have fast 64-bit types; also x86_64
(which can be ILP32 for x32) and Win64 (which is LLP64). */
#if defined (__x86_64__) || defined (__LP64__) || defined (_WIN64) || defined (__mips)
#define OPUS_FAST_INT64 1
#else
#define OPUS_FAST_INT64 0
#endif
#ifdef FIXED_POINT
#define ARG_FIXED(arg) , arg
#else
#define ARG_FIXED(arg)
#endif
#define PRINT_MIPS(file)
#ifdef FIXED_POINT
typedef opus_int16 opus_val16;
typedef opus_int32 opus_val32;
typedef opus_int64 opus_val64;
typedef opus_val32 celt_sig;
typedef opus_val32 celt_norm;
typedef opus_val32 celt_ener;
typedef opus_val32 celt_glog;
#ifdef ENABLE_RES24
typedef opus_val32 opus_res;
#define RES_SHIFT 8
#define SIG2RES(a) PSHR32(a, SIG_SHIFT-RES_SHIFT)
#define RES2INT16(a) SAT16(PSHR32(a, RES_SHIFT))
#define RES2INT24(a) (a)
#define RES2FLOAT(a) ((1 .f/32768 .f/256 .f)*(a))
#define INT16TORES(a) SHL32(EXTEND32(a), RES_SHIFT)
#define INT24TORES(a) (a)
#define ADD_RES(a, b) ADD32(a, b)
#define FLOAT2RES(a) FLOAT2INT24(a)
#define RES2SIG(a) SHL32((a), SIG_SHIFT-RES_SHIFT)
#define MULT16_RES_Q15(a,b) MULT16_32_Q15(a,b)
#define MAX_ENCODING_DEPTH 24
#else
typedef opus_val16 opus_res;
#define RES_SHIFT 0
#define SIG2RES(a) SIG2WORD16(a)
#define RES2INT16(a) (a)
#define RES2INT24(a) SHL32(EXTEND32(a), 8 )
#define RES2FLOAT(a) ((1 .f/32768 .f)*(a))
#define INT16TORES(a) (a)
#define INT24TORES(a) SAT16(PSHR32(a, 8 ))
#define ADD_RES(a, b) SAT16(ADD32((a), (b)));
#define FLOAT2RES(a) FLOAT2INT16(a)
#define RES2SIG(a) SHL32(EXTEND32(a), SIG_SHIFT)
#define MULT16_RES_Q15(a,b) MULT16_16_Q15(a,b)
#define MAX_ENCODING_DEPTH 16
#endif
#define RES2VAL16(a) RES2INT16(a)
#define INT16TOSIG(a) SHL32(EXTEND32(a), SIG_SHIFT)
#define INT24TOSIG(a) SHL32(a, SIG_SHIFT-8 )
#define NORM_SHIFT 24
#ifdef ENABLE_QEXT
typedef opus_val32 celt_coef;
#define COEF_ONE Q31ONE
#define MULT_COEF_32(a, b) MULT32_32_P31(a,b)
#define MAC_COEF_32_ARM(c, a, b) ADD32((c), MULT32_32_Q32(a,b))
#define MULT_COEF(a, b) MULT32_32_Q31(a,b)
#define MULT_COEF_TAPS(a, b) SHL32(MULT16_16(a,b), 1 )
#define COEF2VAL16(x) EXTRACT16(SHR32(x, 16 ))
#else
typedef opus_val16 celt_coef;
#define COEF_ONE Q15ONE
#define MULT_COEF_32(a, b) MULT16_32_Q15(a,b)
#define MAC_COEF_32_ARM(a, b, c) MAC16_32_Q16(a,b,c)
#define MULT_COEF(a, b) MULT16_16_Q15(a,b)
#define MULT_COEF_TAPS(a, b) MULT16_16_P15(a,b)
#define COEF2VAL16(x) (x)
#endif
#define celt_isnan(x) 0
#define Q15ONE 32767
#define Q31ONE 2147483647
#define SIG_SHIFT 12
/* Safe saturation value for 32-bit signals. We need to make sure that we can
add two sig values and that the first stages of the MDCT don ' t cause an overflow .
The most constraining is the ARM_ASM comb filter where we shift left by one
and then add two values . Because of that , we use 2 ^ 29 - 1 . SIG_SAT must be large
enough to fit a full - scale high - freq tone through the prefilter and comb filter ,
meaning 1 . 85 * 1 . 75 * 2 ^ ( 15 + SIG_SHIFT ) = 434529895 .
so the limit should be about 2^31*sqrt(.5). */
#define SIG_SAT (536870911 )
#define NORM_SCALING (1 <<NORM_SHIFT)
#define DB_SHIFT 24
#define EPSILON 1
#define VERY_SMALL 0
#define VERY_LARGE16 ((opus_val16)32767 )
#define Q15_ONE ((opus_val16)32767 )
#define ABS16(x) ((x) < 0 ? (-(x)) : (x))
#define ABS32(x) ((x) < 0 ? (-(x)) : (x))
static OPUS_INLINE opus_int16 SAT16(opus_int32 x) {
return x > 32767 ? 32767 : x < -32768 ? -32768 : (opus_int16)x;
}
#ifdef FIXED_DEBUG
#include "fixed_debug.h"
#else
#include "fixed_generic.h"
#ifdef OPUS_ARM_PRESUME_AARCH64_NEON_INTR
#include "arm/fixed_arm64.h"
#elif defined (OPUS_ARM_INLINE_EDSP)
#include "arm/fixed_armv5e.h"
#elif defined (OPUS_ARM_INLINE_ASM)
#include "arm/fixed_armv4.h"
#elif defined (BFIN_ASM)
#include "fixed_bfin.h"
#elif defined (TI_C5X_ASM)
#include "fixed_c5x.h"
#elif defined (TI_C6X_ASM)
#include "fixed_c6x.h"
#endif
#endif
#else /* FIXED_POINT */
typedef float opus_val16;
typedef float opus_val32;
typedef float opus_val64;
typedef float celt_sig;
typedef float celt_norm;
typedef float celt_ener;
typedef float celt_glog;
typedef float opus_res;
typedef float celt_coef;
#ifdef FLOAT_APPROX
/* This code should reliably detect NaN/inf even when -ffast-math is used.
Assumes IEEE 754 format. */
static OPUS_INLINE int celt_isnan(float x)
{
union {float f; opus_uint32 i;} in;
in.f = x;
return ((in.i>>23 )&0 xFF)==0 xFF && (in.i&0 x007FFFFF)!=0 ;
}
#else
#ifdef __FAST_MATH__
#error Cannot build libopus with -ffast-math unless FLOAT_APPROX is defined . This could result in crashes on extreme (e.g. NaN) input
#endif
#define celt_isnan(x) ((x)!=(x))
#endif
#define Q15ONE 1 .0 f
#define Q31ONE 1 .0 f
#define COEF_ONE 1 .0 f
#define COEF2VAL16(x) (x)
#define NORM_SCALING 1 .f
#define EPSILON 1 e-15 f
#define VERY_SMALL 1 e-30 f
#define VERY_LARGE16 1 e15f
#define Q15_ONE ((opus_val16)1 .f)
/* This appears to be the same speed as C99's fabsf() but it's more portable. */
#define ABS16(x) ((float )fabs(x))
#define ABS32(x) ((float )fabs(x))
#define QCONST16(x,bits) (x)
#define QCONST32(x,bits) (x)
#define GCONST(x) (x)
#define NEG16(x) (-(x))
#define NEG32(x) (-(x))
#define NEG32_ovflw(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 PSHR32(a,shift) (a)
#define VSHR32(a,shift) (a)
#define SHR64(a,shift) (a)
#define PSHR(a,shift) (a)
#define SHR(a,shift) (a)
#define SHL(a,shift) (a)
#define SATURATE(x,a) (x)
#define SATURATE16(x) (x)
#define ROUND16(a,shift) (a)
#define SROUND16(a,shift) (a)
#define HALF16(x) (.5 f*(x))
#define HALF32(x) (.5 f*(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 ADD32_ovflw(a,b) ((a)+(b))
#define SUB32_ovflw(a,b) ((a)-(b))
#define SHL32_ovflw(a,shift) (a)
#define PSHR32_ovflw(a,shift) (a)
#define MULT16_16_16(a,b) ((a)*(b))
#define MULT16_16(a,b) ((opus_val32)(a)*(opus_val32)(b))
#define MAC16_16(c,a,b) ((c)+(opus_val32)(a)*(opus_val32)(b))
#define MULT16_32_Q15(a,b) ((a)*(b))
#define MULT16_32_Q16(a,b) ((a)*(b))
#define MULT32_32_Q16(a,b) ((a)*(b))
#define MULT32_32_Q31(a,b) ((a)*(b))
#define MULT32_32_P31(a,b) ((a)*(b))
#define MULT32_32_P31_ovflw(a,b) ((a)*(b))
#define MAC16_32_Q15(c,a,b) ((c)+(a)*(b))
#define MAC16_32_Q16(c,a,b) ((c)+(a)*(b))
#define MAC_COEF_32_ARM(c,a,b) ((c)+(a)*(b))
#define MULT16_16_Q11_32(a,b) ((a)*(b))
#define MULT16_16_Q11(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 MULT16_32_P16(a,b) ((a)*(b))
#define MULT_COEF_32(a, b) ((a)*(b))
#define MULT_COEF(a, b) ((a)*(b))
#define MULT_COEF_TAPS(a, b) ((a)*(b))
#define DIV32_16(a,b) (((opus_val32)(a))/(opus_val16)(b))
#define DIV32(a,b) (((opus_val32)(a))/(opus_val32)(b))
#define SIG2RES(a) ((1 /CELT_SIG_SCALE)*(a))
#define RES2INT16(a) FLOAT2INT16(a)
#define RES2INT24(a) float2int(32768 .f*256 .f*(a))
#define RES2FLOAT(a) (a)
#define INT16TORES(a) ((a)*(1 /CELT_SIG_SCALE))
#define INT24TORES(a) ((1 .f/32768 .f/256 .f)*(a))
#define ADD_RES(a, b) ADD32(a, b)
#define FLOAT2RES(a) (a)
#define RES2SIG(a) (CELT_SIG_SCALE*(a))
#define MULT16_RES_Q15(a,b) MULT16_16_Q15(a,b)
#define RES2VAL16(a) (a)
#define FLOAT2SIG(a) ((a)*CELT_SIG_SCALE)
#define INT16TOSIG(a) ((float )(a))
#define INT24TOSIG(a) ((float )(a)*(1 .f/256 .f))
#define MAX_ENCODING_DEPTH 24
#endif /* !FIXED_POINT */
#ifndef GLOBAL_STACK_SIZE
#ifdef FIXED_POINT
#define GLOBAL_STACK_SIZE 120000
#else
#define GLOBAL_STACK_SIZE 120000
#endif
#endif
#endif /* ARCH_H */
Messung V0.5 in Prozent C=96 H=96 G=95
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-10-01)
¤
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