blob: e59f81161bac15ba1fdb46c38105dbf3618f8399
| 1 | /* |
| 2 | ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding |
| 3 | ** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com |
| 4 | ** |
| 5 | ** This program is free software; you can redistribute it and/or modify |
| 6 | ** it under the terms of the GNU General Public License as published by |
| 7 | ** the Free Software Foundation; either version 2 of the License, or |
| 8 | ** (at your option) any later version. |
| 9 | ** |
| 10 | ** This program is distributed in the hope that it will be useful, |
| 11 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | ** GNU General Public License for more details. |
| 14 | ** |
| 15 | ** You should have received a copy of the GNU General Public License |
| 16 | ** along with this program; if not, write to the Free Software |
| 17 | ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 18 | ** |
| 19 | ** Any non-GPL usage of this software or parts of this software is strictly |
| 20 | ** forbidden. |
| 21 | ** |
| 22 | ** The "appropriate copyright message" mentioned in section 2c of the GPLv2 |
| 23 | ** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" |
| 24 | ** |
| 25 | ** Commercial non-GPL licensing of this software is possible. |
| 26 | ** For more info contact Nero AG through Mpeg4AAClicense@nero.com. |
| 27 | ** |
| 28 | ** $Id: common.h,v 1.77 2009/02/05 00:51:03 menno Exp $ |
| 29 | **/ |
| 30 | |
| 31 | #ifndef __COMMON_H__ |
| 32 | #define __COMMON_H__ |
| 33 | |
| 34 | #ifdef __cplusplus |
| 35 | extern "C" { |
| 36 | #endif |
| 37 | |
| 38 | #ifdef HAVE_CONFIG_H |
| 39 | # include "../config.h" |
| 40 | #endif |
| 41 | |
| 42 | #include "neaacdec.h" |
| 43 | #include <android/log.h> |
| 44 | |
| 45 | #define LOG_TAG "FaadDecoder" |
| 46 | #define audio_codec_print(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) |
| 47 | #define DEBUG audio_codec_print |
| 48 | #define HAVE_MEMCPY 1 |
| 49 | #if 1 |
| 50 | #define INLINE __inline |
| 51 | #else |
| 52 | #define INLINE inline |
| 53 | #endif |
| 54 | |
| 55 | #if 0 //defined(_WIN32) && !defined(_WIN32_WCE) |
| 56 | #define ALIGN __declspec(align(16)) |
| 57 | #else |
| 58 | #define ALIGN |
| 59 | #endif |
| 60 | |
| 61 | #ifndef max |
| 62 | #define max(a, b) (((a) > (b)) ? (a) : (b)) |
| 63 | #endif |
| 64 | #ifndef min |
| 65 | #define min(a, b) (((a) < (b)) ? (a) : (b)) |
| 66 | #endif |
| 67 | |
| 68 | /* COMPILE TIME DEFINITIONS */ |
| 69 | |
| 70 | /* use double precision */ |
| 71 | #define USE_DOUBLE_PRECISION |
| 72 | /* use fixed point reals */ |
| 73 | //#define FIXED_POINT |
| 74 | //#define BIG_IQ_TABLE |
| 75 | |
| 76 | /* Use if target platform has address generators with autoincrement */ |
| 77 | //#define PREFER_POINTERS |
| 78 | |
| 79 | #ifdef _WIN32_WCE |
| 80 | #define FIXED_POINT |
| 81 | #endif |
| 82 | |
| 83 | #ifdef __BFIN__ |
| 84 | #define FIXED_POINT |
| 85 | #endif |
| 86 | |
| 87 | #define ERROR_RESILIENCE |
| 88 | |
| 89 | |
| 90 | /* Allow decoding of MAIN profile AAC */ |
| 91 | #define MAIN_DEC |
| 92 | /* Allow decoding of SSR profile AAC */ |
| 93 | //#define SSR_DEC |
| 94 | /* Allow decoding of LTP profile AAC */ |
| 95 | #define LTP_DEC |
| 96 | /* Allow decoding of LD profile AAC */ |
| 97 | #define LD_DEC |
| 98 | /* Allow decoding of Digital Radio Mondiale (DRM) */ |
| 99 | //#define DRM |
| 100 | //#define DRM_PS |
| 101 | |
| 102 | /* LD can't do without LTP */ |
| 103 | #ifdef LD_DEC |
| 104 | #ifndef ERROR_RESILIENCE |
| 105 | #define ERROR_RESILIENCE |
| 106 | #endif |
| 107 | #ifndef LTP_DEC |
| 108 | #define LTP_DEC |
| 109 | #endif |
| 110 | #endif |
| 111 | |
| 112 | #define ALLOW_SMALL_FRAMELENGTH |
| 113 | |
| 114 | |
| 115 | // Define LC_ONLY_DECODER if you want a pure AAC LC decoder (independant of SBR_DEC and PS_DEC) |
| 116 | //#define LC_ONLY_DECODER |
| 117 | #ifdef LC_ONLY_DECODER |
| 118 | #undef LD_DEC |
| 119 | #undef LTP_DEC |
| 120 | #undef MAIN_DEC |
| 121 | #undef SSR_DEC |
| 122 | #undef DRM |
| 123 | #undef ALLOW_SMALL_FRAMELENGTH |
| 124 | #undef ERROR_RESILIENCE |
| 125 | #endif |
| 126 | //#define DISABLE_SBR |
| 127 | #define SBR_DEC |
| 128 | //#define SBR_LOW_POWER |
| 129 | #define PS_DEC |
| 130 | |
| 131 | #ifdef SBR_LOW_POWER |
| 132 | #undef PS_DEC |
| 133 | #endif |
| 134 | |
| 135 | /* FIXED POINT: No MAIN decoding */ |
| 136 | #ifdef FIXED_POINT |
| 137 | # ifdef MAIN_DEC |
| 138 | # undef MAIN_DEC |
| 139 | # endif |
| 140 | #endif // FIXED_POINT |
| 141 | |
| 142 | #ifdef DRM |
| 143 | # ifndef ALLOW_SMALL_FRAMELENGTH |
| 144 | # define ALLOW_SMALL_FRAMELENGTH |
| 145 | # endif |
| 146 | # undef LD_DEC |
| 147 | # undef LTP_DEC |
| 148 | # undef MAIN_DEC |
| 149 | # undef SSR_DEC |
| 150 | #endif |
| 151 | |
| 152 | |
| 153 | #ifdef FIXED_POINT |
| 154 | #define DIV_R(A, B) (((int64_t)A << REAL_BITS)/B) |
| 155 | #define DIV_C(A, B) (((int64_t)A << COEF_BITS)/B) |
| 156 | #else |
| 157 | #define DIV_R(A, B) ((A)/(B)) |
| 158 | #define DIV_C(A, B) ((A)/(B)) |
| 159 | #endif |
| 160 | |
| 161 | #ifndef SBR_LOW_POWER |
| 162 | #define qmf_t complex_t |
| 163 | #define QMF_RE(A) RE(A) |
| 164 | #define QMF_IM(A) IM(A) |
| 165 | #else |
| 166 | #define qmf_t real_t |
| 167 | #define QMF_RE(A) (A) |
| 168 | #define QMF_IM(A) |
| 169 | #endif |
| 170 | |
| 171 | |
| 172 | /* END COMPILE TIME DEFINITIONS */ |
| 173 | |
| 174 | #if defined(_WIN32) && !defined(__MINGW32__) |
| 175 | |
| 176 | #include <stdlib.h> |
| 177 | |
| 178 | typedef unsigned __int64 uint64_t; |
| 179 | typedef unsigned __int32 uint32_t; |
| 180 | typedef unsigned __int16 uint16_t; |
| 181 | typedef unsigned __int8 uint8_t; |
| 182 | typedef signed __int64 int64_t; |
| 183 | typedef signed __int32 int32_t; |
| 184 | typedef signed __int16 int16_t; |
| 185 | typedef signed __int8 int8_t; |
| 186 | typedef float float32_t; |
| 187 | |
| 188 | |
| 189 | #else |
| 190 | |
| 191 | #include <stdio.h> |
| 192 | #if HAVE_SYS_TYPES_H |
| 193 | # include <sys/types.h> |
| 194 | #endif |
| 195 | #if HAVE_SYS_STAT_H |
| 196 | # include <sys/stat.h> |
| 197 | #endif |
| 198 | #if STDC_HEADERS |
| 199 | # include <stdlib.h> |
| 200 | # include <stddef.h> |
| 201 | #else |
| 202 | # if HAVE_STDLIB_H |
| 203 | # include <stdlib.h> |
| 204 | # endif |
| 205 | #endif |
| 206 | #if HAVE_STRING_H |
| 207 | # if !STDC_HEADERS && HAVE_MEMORY_H |
| 208 | # include <memory.h> |
| 209 | # endif |
| 210 | # include <string.h> |
| 211 | #endif |
| 212 | #if HAVE_STRINGS_H |
| 213 | # include <strings.h> |
| 214 | #endif |
| 215 | #if HAVE_INTTYPES_H |
| 216 | # include <inttypes.h> |
| 217 | #else |
| 218 | # if HAVE_STDINT_H |
| 219 | # include <stdint.h> |
| 220 | # else |
| 221 | /* we need these... */ |
| 222 | #ifndef __TCS__ |
| 223 | //typedef unsigned long long uint64_t; |
| 224 | //typedef signed long long int64_t; |
| 225 | #else |
| 226 | typedef unsigned long uint64_t; |
| 227 | typedef signed long int64_t; |
| 228 | #endif |
| 229 | //typedef unsigned long uint32_t; |
| 230 | typedef unsigned short uint16_t; |
| 231 | typedef unsigned char uint8_t; |
| 232 | //typedef signed long int32_t; |
| 233 | typedef signed short int16_t; |
| 234 | typedef signed char int8_t; |
| 235 | # endif |
| 236 | #endif |
| 237 | #if HAVE_UNISTD_H |
| 238 | //# include <unistd.h> |
| 239 | #endif |
| 240 | |
| 241 | #ifndef HAVE_FLOAT32_T |
| 242 | typedef float float32_t; |
| 243 | #endif |
| 244 | |
| 245 | #if STDC_HEADERS |
| 246 | # include <string.h> |
| 247 | #else |
| 248 | # if !HAVE_STRCHR |
| 249 | # define strchr index |
| 250 | # define strrchr rindex |
| 251 | # endif |
| 252 | char *strchr(), *strrchr(); |
| 253 | # if !HAVE_MEMCPY |
| 254 | # define memcpy(d, s, n) bcopy((s), (d), (n)) |
| 255 | # define memmove(d, s, n) bcopy((s), (d), (n)) |
| 256 | # endif |
| 257 | #endif |
| 258 | |
| 259 | #endif |
| 260 | |
| 261 | #ifdef WORDS_BIGENDIAN |
| 262 | #define ARCH_IS_BIG_ENDIAN |
| 263 | #endif |
| 264 | |
| 265 | /* FIXED_POINT doesn't work with MAIN and SSR yet */ |
| 266 | #ifdef FIXED_POINT |
| 267 | #undef MAIN_DEC |
| 268 | #undef SSR_DEC |
| 269 | #endif |
| 270 | |
| 271 | |
| 272 | #if defined(FIXED_POINT) |
| 273 | |
| 274 | #include "fixed.h" |
| 275 | |
| 276 | #elif defined(USE_DOUBLE_PRECISION) |
| 277 | |
| 278 | typedef double real_t; |
| 279 | |
| 280 | #include <math.h> |
| 281 | |
| 282 | #define MUL_R(A,B) ((A)*(B)) |
| 283 | #define MUL_C(A,B) ((A)*(B)) |
| 284 | #define MUL_F(A,B) ((A)*(B)) |
| 285 | |
| 286 | /* Complex multiplication */ |
| 287 | static INLINE void ComplexMult(real_t *y1, real_t *y2, |
| 288 | real_t x1, real_t x2, real_t c1, real_t c2) |
| 289 | { |
| 290 | *y1 = MUL_F(x1, c1) + MUL_F(x2, c2); |
| 291 | *y2 = MUL_F(x2, c1) - MUL_F(x1, c2); |
| 292 | } |
| 293 | |
| 294 | #define REAL_CONST(A) ((real_t)(A)) |
| 295 | #define COEF_CONST(A) ((real_t)(A)) |
| 296 | #define Q2_CONST(A) ((real_t)(A)) |
| 297 | #define FRAC_CONST(A) ((real_t)(A)) /* pure fractional part */ |
| 298 | |
| 299 | #else /* Normal floating point operation */ |
| 300 | |
| 301 | typedef float real_t; |
| 302 | |
| 303 | #define MUL_R(A,B) ((A)*(B)) |
| 304 | #define MUL_C(A,B) ((A)*(B)) |
| 305 | #define MUL_F(A,B) ((A)*(B)) |
| 306 | |
| 307 | #define REAL_CONST(A) ((real_t)(A)) |
| 308 | #define COEF_CONST(A) ((real_t)(A)) |
| 309 | #define Q2_CONST(A) ((real_t)(A)) |
| 310 | #define FRAC_CONST(A) ((real_t)(A)) /* pure fractional part */ |
| 311 | |
| 312 | /* Complex multiplication */ |
| 313 | static INLINE void ComplexMult(real_t *y1, real_t *y2, |
| 314 | real_t x1, real_t x2, real_t c1, real_t c2) |
| 315 | { |
| 316 | *y1 = MUL_F(x1, c1) + MUL_F(x2, c2); |
| 317 | *y2 = MUL_F(x2, c1) - MUL_F(x1, c2); |
| 318 | } |
| 319 | |
| 320 | |
| 321 | #if defined(_WIN32) && !defined(__MINGW32__) |
| 322 | #define HAS_LRINTF |
| 323 | static INLINE int lrintf(float f) |
| 324 | { |
| 325 | int i; |
| 326 | __asm { |
| 327 | fld f |
| 328 | fistp i |
| 329 | } |
| 330 | return i; |
| 331 | } |
| 332 | #elif (defined(__i386__) && defined(__GNUC__) && \ |
| 333 | !defined(__CYGWIN__) && !defined(__MINGW32__)) |
| 334 | #ifndef HAVE_LRINTF |
| 335 | #define HAS_LRINTF |
| 336 | // from http://www.stereopsis.com/FPU.html |
| 337 | static INLINE int lrintf(float f) |
| 338 | { |
| 339 | int i; |
| 340 | __asm__ __volatile__( |
| 341 | "flds %1 \n\t" |
| 342 | "fistpl %0 \n\t" |
| 343 | : "=m"(i) |
| 344 | : "m"(f)); |
| 345 | return i; |
| 346 | } |
| 347 | #endif /* HAVE_LRINTF */ |
| 348 | #endif |
| 349 | |
| 350 | |
| 351 | #ifdef __ICL /* only Intel C compiler has fmath ??? */ |
| 352 | |
| 353 | #include <mathf.h> |
| 354 | |
| 355 | #define sin sinf |
| 356 | #define cos cosf |
| 357 | #define log logf |
| 358 | #define floor floorf |
| 359 | #define ceil ceilf |
| 360 | #define sqrt sqrtf |
| 361 | |
| 362 | #else |
| 363 | |
| 364 | #ifdef HAVE_LRINTF |
| 365 | # define HAS_LRINTF |
| 366 | # define _ISOC9X_SOURCE 1 |
| 367 | # define _ISOC99_SOURCE 1 |
| 368 | # define __USE_ISOC9X 1 |
| 369 | # define __USE_ISOC99 1 |
| 370 | #endif |
| 371 | |
| 372 | #include <math.h> |
| 373 | |
| 374 | #ifdef HAVE_SINF |
| 375 | # define sin sinf |
| 376 | #error |
| 377 | #endif |
| 378 | #ifdef HAVE_COSF |
| 379 | # define cos cosf |
| 380 | #endif |
| 381 | #ifdef HAVE_LOGF |
| 382 | # define log logf |
| 383 | #endif |
| 384 | #ifdef HAVE_EXPF |
| 385 | # define exp expf |
| 386 | #endif |
| 387 | #ifdef HAVE_FLOORF |
| 388 | # define floor floorf |
| 389 | #endif |
| 390 | #ifdef HAVE_CEILF |
| 391 | # define ceil ceilf |
| 392 | #endif |
| 393 | #ifdef HAVE_SQRTF |
| 394 | # define sqrt sqrtf |
| 395 | #endif |
| 396 | |
| 397 | #endif |
| 398 | |
| 399 | #endif |
| 400 | |
| 401 | #ifndef HAS_LRINTF |
| 402 | /* standard cast */ |
| 403 | #define lrintf(f) ((int32_t)(f)) |
| 404 | #endif |
| 405 | |
| 406 | typedef real_t complex_t[2]; |
| 407 | #define RE(A) A[0] |
| 408 | #define IM(A) A[1] |
| 409 | |
| 410 | |
| 411 | /* common functions */ |
| 412 | uint8_t cpu_has_sse(void); |
| 413 | uint32_t ne_rng(uint32_t *__r1, uint32_t *__r2); |
| 414 | uint32_t wl_min_lzc(uint32_t x); |
| 415 | #ifdef FIXED_POINT |
| 416 | #define LOG2_MIN_INF REAL_CONST(-10000) |
| 417 | int32_t log2_int(uint32_t val); |
| 418 | int32_t log2_fix(uint32_t val); |
| 419 | int32_t pow2_int(real_t val); |
| 420 | real_t pow2_fix(real_t val); |
| 421 | #endif |
| 422 | uint8_t get_sr_index(const uint32_t samplerate); |
| 423 | uint8_t max_pred_sfb(const uint8_t sr_index); |
| 424 | uint8_t max_tns_sfb(const uint8_t sr_index, const uint8_t object_type, |
| 425 | const uint8_t is_short); |
| 426 | uint32_t get_sample_rate(const uint8_t sr_index); |
| 427 | int8_t can_decode_ot(const uint8_t object_type); |
| 428 | |
| 429 | void *faad_malloc(size_t size); |
| 430 | void faad_free(void *b); |
| 431 | |
| 432 | //#define PROFILE |
| 433 | #ifdef PROFILE |
| 434 | static int64_t faad_get_ts() |
| 435 | { |
| 436 | __asm { |
| 437 | rdtsc |
| 438 | } |
| 439 | } |
| 440 | #endif |
| 441 | |
| 442 | #ifndef M_PI |
| 443 | #define M_PI 3.14159265358979323846 |
| 444 | #endif |
| 445 | #ifndef M_PI_2 /* PI/2 */ |
| 446 | #define M_PI_2 1.57079632679489661923 |
| 447 | #endif |
| 448 | |
| 449 | |
| 450 | #ifdef __cplusplus |
| 451 | } |
| 452 | #endif |
| 453 | #endif |
| 454 |