00001 /* 00002 * AAC data declarations 00003 * Copyright (c) 2005-2006 Oded Shimon ( ods15 ods15 dyndns org ) 00004 * Copyright (c) 2006-2007 Maxim Gavrilov ( maxim.gavrilov gmail com ) 00005 * 00006 * This file is part of FFmpeg. 00007 * 00008 * FFmpeg is free software; you can redistribute it and/or 00009 * modify it under the terms of the GNU Lesser General Public 00010 * License as published by the Free Software Foundation; either 00011 * version 2.1 of the License, or (at your option) any later version. 00012 * 00013 * FFmpeg is distributed in the hope that it will be useful, 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00016 * Lesser General Public License for more details. 00017 * 00018 * You should have received a copy of the GNU Lesser General Public 00019 * License along with FFmpeg; if not, write to the Free Software 00020 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00021 */ 00022 00030 #ifndef AVCODEC_AACTAB_H 00031 #define AVCODEC_AACTAB_H 00032 00033 #include "libavutil/mem.h" 00034 #include "aac.h" 00035 00036 #include <stdint.h> 00037 00038 /* NOTE: 00039 * Tables in this file are used by the AAC decoder and will be used by the AAC 00040 * encoder. 00041 */ 00042 00043 /* @name window coefficients 00044 * @{ 00045 */ 00046 DECLARE_ALIGNED(16, extern float, ff_aac_kbd_long_1024[1024]); 00047 DECLARE_ALIGNED(16, extern float, ff_aac_kbd_short_128[128]); 00048 // @} 00049 00050 /* @name number of scalefactor window bands for long and short transform windows respectively 00051 * @{ 00052 */ 00053 extern const uint8_t ff_aac_num_swb_1024[]; 00054 extern const uint8_t ff_aac_num_swb_128 []; 00055 // @} 00056 00057 extern const uint8_t ff_aac_pred_sfb_max []; 00058 00059 extern const uint32_t ff_aac_scalefactor_code[121]; 00060 extern const uint8_t ff_aac_scalefactor_bits[121]; 00061 00062 extern const uint16_t * const ff_aac_spectral_codes[11]; 00063 extern const uint8_t * const ff_aac_spectral_bits [11]; 00064 extern const uint16_t ff_aac_spectral_sizes[11]; 00065 00066 extern const float *ff_aac_codebook_vectors[]; 00067 00068 #if CONFIG_HARDCODED_TABLES 00069 extern const float ff_aac_pow2sf_tab[428]; 00070 #else 00071 extern float ff_aac_pow2sf_tab[428]; 00072 #endif /* CONFIG_HARDCODED_TABLES */ 00073 00074 #endif /* AVCODEC_AACTAB_H */