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 #include "aac_tablegen_decl.h" 00036 00037 #include <stdint.h> 00038 00039 /* NOTE: 00040 * Tables in this file are used by the AAC decoder and will be used by the AAC 00041 * encoder. 00042 */ 00043 00044 /* @name window coefficients 00045 * @{ 00046 */ 00047 DECLARE_ALIGNED(32, extern float, ff_aac_kbd_long_1024)[1024]; 00048 DECLARE_ALIGNED(32, extern float, ff_aac_kbd_short_128)[128]; 00049 // @} 00050 00051 /* @name number of scalefactor window bands for long and short transform windows respectively 00052 * @{ 00053 */ 00054 extern const uint8_t ff_aac_num_swb_1024[]; 00055 extern const uint8_t ff_aac_num_swb_128 []; 00056 // @} 00057 00058 extern const uint8_t ff_aac_pred_sfb_max []; 00059 00060 extern const uint32_t ff_aac_scalefactor_code[121]; 00061 extern const uint8_t ff_aac_scalefactor_bits[121]; 00062 00063 extern const uint16_t * const ff_aac_spectral_codes[11]; 00064 extern const uint8_t * const ff_aac_spectral_bits [11]; 00065 extern const uint16_t ff_aac_spectral_sizes[11]; 00066 00067 extern const float *ff_aac_codebook_vectors[]; 00068 extern const float *ff_aac_codebook_vector_vals[]; 00069 extern const uint16_t *ff_aac_codebook_vector_idx[]; 00070 00071 extern const uint16_t * const ff_swb_offset_1024[13]; 00072 extern const uint16_t * const ff_swb_offset_128 [13]; 00073 00074 extern const uint8_t ff_tns_max_bands_1024[13]; 00075 extern const uint8_t ff_tns_max_bands_128 [13]; 00076 00077 #endif /* AVCODEC_AACTAB_H */
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