mirror of
https://github.com/Relintai/pandemonium_engine_minimal.git
synced 2024-12-21 16:56:50 +01:00
255 lines
7.1 KiB
C++
255 lines
7.1 KiB
C++
#ifndef ARCH_H
|
|
#define ARCH_H
|
|
/* 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.
|
|
*/
|
|
|
|
|
|
|
|
|
|
#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
|
|
|
|
#define CELT_SIG_SCALE 32768.f
|
|
|
|
#define celt_fatal(str) _celt_fatal(str, __FILE__, __LINE__);
|
|
#ifdef ENABLE_ASSERTIONS
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#ifdef __GNUC__
|
|
__attribute__((noreturn))
|
|
#endif
|
|
static OPUS_INLINE 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);
|
|
abort();
|
|
}
|
|
#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);}}
|
|
#else
|
|
#define celt_assert(cond)
|
|
#define celt_assert2(cond, message)
|
|
#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 UADD32(a,b) ((a)+(b))
|
|
#define USUB32(a,b) ((a)-(b))
|
|
|
|
/* 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)
|
|
#define OPUS_FAST_INT64 1
|
|
#else
|
|
#define OPUS_FAST_INT64 0
|
|
#endif
|
|
|
|
#define PRINT_MIPS(file)
|
|
|
|
#ifdef FIXED_POINT
|
|
|
|
typedef opus_int16 opus_val16;
|
|
typedef opus_int32 opus_val32;
|
|
|
|
typedef opus_val32 celt_sig;
|
|
typedef opus_val16 celt_norm;
|
|
typedef opus_val32 celt_ener;
|
|
|
|
#define Q15ONE 32767
|
|
|
|
#define SIG_SHIFT 12
|
|
|
|
#define NORM_SCALING 16384
|
|
|
|
#define DB_SHIFT 10
|
|
|
|
#define EPSILON 1
|
|
#define VERY_SMALL 0
|
|
#define VERY_LARGE16 ((opus_val16)32767)
|
|
#define Q15_ONE ((opus_val16)32767)
|
|
|
|
#define SCALEIN(a) (a)
|
|
#define SCALEOUT(a) (a)
|
|
|
|
#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 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 celt_sig;
|
|
typedef float celt_norm;
|
|
typedef float celt_ener;
|
|
|
|
#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)&0xFF)==0xFF && (in.i&0x007FFFFF)!=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 1.0f
|
|
|
|
#define NORM_SCALING 1.f
|
|
|
|
#define EPSILON 1e-15f
|
|
#define VERY_SMALL 1e-30f
|
|
#define VERY_LARGE16 1e15f
|
|
#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 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 PSHR32(a,shift) (a)
|
|
#define VSHR32(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 HALF16(x) (.5f*(x))
|
|
#define HALF32(x) (.5f*(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_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_Q31(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 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 DIV32_16(a,b) (((opus_val32)(a))/(opus_val16)(b))
|
|
#define DIV32(a,b) (((opus_val32)(a))/(opus_val32)(b))
|
|
|
|
#define SCALEIN(a) ((a)*CELT_SIG_SCALE)
|
|
#define SCALEOUT(a) ((a)*(1/CELT_SIG_SCALE))
|
|
|
|
#define SIG2WORD16(x) (x)
|
|
|
|
#endif /* !FIXED_POINT */
|
|
|
|
#ifndef GLOBAL_STACK_SIZE
|
|
#ifdef FIXED_POINT
|
|
#define GLOBAL_STACK_SIZE 100000
|
|
#else
|
|
#define GLOBAL_STACK_SIZE 100000
|
|
#endif
|
|
#endif
|
|
|
|
#endif /* ARCH_H */
|