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Diffstat (limited to 'ffmpeg/libavcodec/adpcm_data.c')
| -rw-r--r-- | ffmpeg/libavcodec/adpcm_data.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/ffmpeg/libavcodec/adpcm_data.c b/ffmpeg/libavcodec/adpcm_data.c deleted file mode 100644 index 1d3e579..0000000 --- a/ffmpeg/libavcodec/adpcm_data.c +++ /dev/null @@ -1,112 +0,0 @@ -/* - * Copyright (c) 2001-2003 The ffmpeg Project - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/** - * @file - * ADPCM tables - */ - -#include <stdint.h> - -/* ff_adpcm_step_table[] and ff_adpcm_index_table[] are from the ADPCM - reference source */ -static const int8_t adpcm_index_table2[4] = { - -1, 2, - -1, 2, -}; - -static const int8_t adpcm_index_table3[8] = { - -1, -1, 1, 2, - -1, -1, 1, 2, -}; - -const int8_t ff_adpcm_index_table[16] = { - -1, -1, -1, -1, 2, 4, 6, 8, - -1, -1, -1, -1, 2, 4, 6, 8, -}; - -static const int8_t adpcm_index_table5[32] = { - -1, -1, -1, -1, -1, -1, -1, -1, 1, 2, 4, 6, 8, 10, 13, 16, - -1, -1, -1, -1, -1, -1, -1, -1, 1, 2, 4, 6, 8, 10, 13, 16, -}; - -const int8_t const *ff_adpcm_index_tables[4] = { - &adpcm_index_table2[0], - &adpcm_index_table3[0], - &ff_adpcm_index_table[0], - &adpcm_index_table5[0], -}; - -/** - * This is the step table. Note that many programs use slight deviations from - * this table, but such deviations are negligible: - */ -const int16_t ff_adpcm_step_table[89] = { - 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, - 19, 21, 23, 25, 28, 31, 34, 37, 41, 45, - 50, 55, 60, 66, 73, 80, 88, 97, 107, 118, - 130, 143, 157, 173, 190, 209, 230, 253, 279, 307, - 337, 371, 408, 449, 494, 544, 598, 658, 724, 796, - 876, 963, 1060, 1166, 1282, 1411, 1552, 1707, 1878, 2066, - 2272, 2499, 2749, 3024, 3327, 3660, 4026, 4428, 4871, 5358, - 5894, 6484, 7132, 7845, 8630, 9493, 10442, 11487, 12635, 13899, - 15289, 16818, 18500, 20350, 22385, 24623, 27086, 29794, 32767 -}; - -const int16_t ff_adpcm_oki_step_table[49] = { - 16, 17, 19, 21, 23, 25, 28, 31, 34, 37, - 41, 45, 50, 55, 60, 66, 73, 80, 88, 97, - 107, 118, 130, 143, 157, 173, 190, 209, 230, 253, - 279, 307, 337, 371, 408, 449, 494, 544, 598, 658, - 724, 796, 876, 963, 1060, 1166, 1282, 1411, 1552 -}; - -/* These are for MS-ADPCM */ -/* ff_adpcm_AdaptationTable[], ff_adpcm_AdaptCoeff1[], and - ff_adpcm_AdaptCoeff2[] are from libsndfile */ -const int16_t ff_adpcm_AdaptationTable[] = { - 230, 230, 230, 230, 307, 409, 512, 614, - 768, 614, 512, 409, 307, 230, 230, 230 -}; - -/** Divided by 4 to fit in 8-bit integers */ -const uint8_t ff_adpcm_AdaptCoeff1[] = { - 64, 128, 0, 48, 60, 115, 98 -}; - -/** Divided by 4 to fit in 8-bit integers */ -const int8_t ff_adpcm_AdaptCoeff2[] = { - 0, -64, 0, 16, 0, -52, -58 -}; - -const int16_t ff_adpcm_yamaha_indexscale[] = { - 230, 230, 230, 230, 307, 409, 512, 614, - 230, 230, 230, 230, 307, 409, 512, 614 -}; - -const int8_t ff_adpcm_yamaha_difflookup[] = { - 1, 3, 5, 7, 9, 11, 13, 15, - -1, -3, -5, -7, -9, -11, -13, -15 -}; - -const int16_t ff_adpcm_afc_coeffs[2][16] = { - { 0, 2048, 0, 1024, 4096, 3584, 3072, 4608, 4200, 4800, 5120, 2048, 1024, 64512, 64512, 63488 }, - { 0, 0, 2048, 1024, 63488, 64000, 64512, 62976, 63288, 63236, 62464, 63488, 64512, 1024, 0, 0 } -}; |