ref: 3254623f0745837118e0d5d739fa6c402fd5b9d3
dir: /libfaad/common.h/
/* ** FAAD - Freeware Advanced Audio Decoder ** Copyright (C) 2002 M. Bakker ** ** This program 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. ** ** This program 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 this program; if not, write to the Free Software ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ** ** $Id: common.h,v 1.29 2003/02/06 20:01:51 menno Exp $ **/ #ifndef __COMMON_H__ #define __COMMON_H__ #ifdef __cplusplus extern "C" { #endif #define INLINE __inline #ifndef max #define max(a, b) (((a) > (b)) ? (a) : (b)) #endif #ifndef min #define min(a, b) (((a) < (b)) ? (a) : (b)) #endif /* COMPILE TIME DEFINITIONS */ /* use double precision */ /* #define USE_DOUBLE_PRECISION */ /* use fixed point reals */ //#define FIXED_POINT #define ERROR_RESILIENCE /* Allow decoding of MAIN profile AAC */ #define MAIN_DEC /* Allow decoding of SSR profile AAC */ //#define SSR_DEC /* Allow decoding of LTP profile AAC */ #define LTP_DEC /* Allow decoding of LD profile AAC */ #define LD_DEC /* LD can't do without LTP */ #ifdef LD_DEC #ifndef ERROR_RESILIENCE #define ERROR_RESILIENCE #endif #ifndef LTP_DEC #define LTP_DEC #endif #endif /* END COMPILE TIME DEFINITIONS */ #ifndef FIXED_POINT #define POW_TABLE_SIZE 200 #endif #if defined(_WIN32) typedef unsigned __int64 uint64_t; typedef unsigned __int32 uint32_t; typedef unsigned __int16 uint16_t; typedef unsigned __int8 uint8_t; typedef __int64 int64_t; typedef __int32 int32_t; typedef __int16 int16_t; typedef __int8 int8_t; typedef float float32_t; #else #ifdef HAVE_CONFIG_H # include "../config.h" #endif #include <stdio.h> #if HAVE_SYS_TYPES_H # include <sys/types.h> #endif #if HAVE_SYS_STAT_H # include <sys/stat.h> #endif #if STDC_HEADERS # include <stdlib.h> # include <stddef.h> #else # if HAVE_STDLIB_H # include <stdlib.h> # endif #endif #if HAVE_STRING_H # if !STDC_HEADERS && HAVE_MEMORY_H # include <memory.h> # endif # include <string.h> #endif #if HAVE_STRINGS_H # include <strings.h> #endif #if HAVE_INTTYPES_H # include <inttypes.h> #else # if HAVE_STDINT_H # include <stdint.h> # else /* we need these... */ typedef unsigned long long uint64_t; typedef unsigned long uint32_t; typedef unsigned short uint16_t; typedef unsigned char uint8_t; typedef long long int64_t; typedef long int32_t; typedef short int16_t; typedef char int8_t; # endif #endif #if HAVE_UNISTD_H # include <unistd.h> #endif #ifndef HAVE_FLOAT32_T typedef float float32_t; #endif #if STDC_HEADERS # include <string.h> #else # if !HAVE_STRCHR # define strchr index # define strrchr rindex # endif char *strchr(), *strrchr(); # if !HAVE_MEMCPY # define memcpy(d, s, n) bcopy((s), (d), (n)) # define memmove(d, s, n) bcopy((s), (d), (n)) # endif #endif #endif #ifdef WORDS_BIGENDIAN #define ARCH_IS_BIG_ENDIAN #endif /* FIXED_POINT doesn't work with MAIN and SSR yet */ #ifdef FIXED_POINT #undef MAIN_DEC #undef SSR_DEC #endif #if defined(FIXED_POINT) #ifdef HAS_MATHF_H #include <mathf.h> #else #include <math.h> #endif #include "fixed.h" #elif defined(USE_DOUBLE_PRECISION) typedef double real_t; #include <math.h> #define MUL(A,B) ((A)*(B)) #define MUL_C_C(A,B) ((A)*(B)) #define MUL_R_C(A,B) ((A)*(B)) #define REAL_CONST(A) ((real_t)A) #define COEF_CONST(A) ((real_t)A) #else /* Normal floating point operation */ typedef float real_t; #define MUL(A,B) ((A)*(B)) #define MUL_C_C(A,B) ((A)*(B)) #define MUL_R_C(A,B) ((A)*(B)) #define REAL_CONST(A) ((real_t)A) #define COEF_CONST(A) ((real_t)A) #ifdef __ICL /* only Intel C compiler has fmath ??? */ #include <mathf.h> #define sin sinf #define cos cosf #define log logf #define floor floorf #define ceil ceilf #define sqrt sqrtf #else #include <math.h> #ifdef HAVE_SINF # define sin sinf #error #endif #ifdef HAVE_COSF # define cos cosf #endif #ifdef HAVE_LOGF # define log logf #endif #ifdef HAVE_EXPF # define exp expf #endif #ifdef HAVE_FLOORF # define floor floorf #endif #ifdef HAVE_CEILF # define ceil ceilf #endif #ifdef HAVE_SQRTF # define sqrt sqrtf #endif #endif #endif typedef real_t complex_t[2]; #define RE(A) A[0] #define IM(A) A[1] /* common functions */ uint32_t int_log2(uint32_t val); uint8_t get_sr_index(uint32_t samplerate); int8_t can_decode_ot(uint8_t object_type); #ifndef M_PI #define M_PI 3.14159265358979323846f #endif #ifndef M_PI_2 /* PI/2 */ #define M_PI_2 1.57079632679489661923 #endif #ifdef __cplusplus } #endif #endif