1 /* 2 * DCA compatible decoder data 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 #ifndef AVCODEC_DCADATA_H 22 #define AVCODEC_DCADATA_H 23 24 #include <stdint.h> 25 26 #include "dcahuff.h" 27 28 #define DCA_ADPCM_COEFFS 4 29 #define DCA_ADPCM_VQCODEBOOK_SZ 4096 30 31 extern const uint32_t ff_dca_bit_rates[32]; 32 33 extern const uint8_t ff_dca_channels[16]; 34 35 extern const uint8_t ff_dca_dmix_primary_nch[8]; 36 37 extern const uint8_t ff_dca_quant_index_sel_nbits[DCA_CODE_BOOKS]; 38 extern const uint8_t ff_dca_quant_index_group_size[DCA_CODE_BOOKS]; 39 40 extern const int16_t ff_dca_adpcm_vb[DCA_ADPCM_VQCODEBOOK_SZ][DCA_ADPCM_COEFFS]; 41 42 extern const uint32_t ff_dca_scale_factor_quant6[64]; 43 extern const uint32_t ff_dca_scale_factor_quant7[128]; 44 45 extern const uint32_t ff_dca_joint_scale_factors[129]; 46 47 extern const uint32_t ff_dca_scale_factor_adj[4]; 48 49 extern const uint32_t ff_dca_quant_levels[32]; 50 51 extern const uint32_t ff_dca_lossy_quant[32]; 52 53 extern const uint32_t ff_dca_lossless_quant[32]; 54 55 extern const int8_t ff_dca_high_freq_vq[1024][32]; 56 57 extern const float ff_dca_fir_32bands_perfect[512]; 58 extern const float ff_dca_fir_32bands_nonperfect[512]; 59 60 extern const float ff_dca_lfe_fir_64[256]; 61 extern const float ff_dca_lfe_fir_128[256]; 62 extern const float ff_dca_fir_64bands[1024]; 63 64 extern const int32_t ff_dca_fir_32bands_perfect_fixed[512]; 65 extern const int32_t ff_dca_fir_32bands_nonperfect_fixed[512]; 66 extern const int32_t ff_dca_lfe_fir_64_fixed[256]; 67 extern const int32_t ff_dca_fir_64bands_fixed[1024]; 68 69 #define FF_DCA_DMIXTABLE_SIZE 242U 70 #define FF_DCA_INV_DMIXTABLE_SIZE 201U 71 #define FF_DCA_DMIXTABLE_OFFSET (FF_DCA_DMIXTABLE_SIZE - FF_DCA_INV_DMIXTABLE_SIZE) 72 73 extern const uint16_t ff_dca_dmixtable[FF_DCA_DMIXTABLE_SIZE]; 74 extern const uint32_t ff_dca_inv_dmixtable[FF_DCA_INV_DMIXTABLE_SIZE]; 75 76 extern const uint16_t ff_dca_xll_refl_coeff[128]; 77 78 extern const int32_t ff_dca_xll_band_coeff[20]; 79 80 extern const uint16_t ff_dca_avg_g3_freqs[3]; 81 82 extern const uint16_t ff_dca_fst_amp[44]; 83 84 extern const uint8_t ff_dca_freq_to_sb[32]; 85 86 extern const int8_t ff_dca_ph0_shift[8]; 87 88 extern const uint8_t ff_dca_grid_1_to_scf[11]; 89 extern const uint8_t ff_dca_grid_2_to_scf[3]; 90 91 extern const uint8_t ff_dca_scf_to_grid_1[32]; 92 extern const uint8_t ff_dca_scf_to_grid_2[32]; 93 94 extern const uint8_t ff_dca_grid_1_weights[12][32]; 95 96 extern const uint8_t ff_dca_sb_reorder[8][8]; 97 98 extern const int8_t ff_dca_lfe_delta_index_16[8]; 99 extern const int8_t ff_dca_lfe_delta_index_24[32]; 100 101 extern const uint16_t ff_dca_rsd_pack_5_in_8[256]; 102 extern const uint8_t ff_dca_rsd_pack_3_in_7[128][3]; 103 104 extern const float ff_dca_rsd_level_2a[2]; 105 extern const float ff_dca_rsd_level_2b[2]; 106 extern const float ff_dca_rsd_level_3[3]; 107 extern const float ff_dca_rsd_level_5[5]; 108 extern const float ff_dca_rsd_level_8[8]; 109 extern const float ff_dca_rsd_level_16[16]; 110 111 extern const float ff_dca_synth_env[32]; 112 113 extern const float ff_dca_corr_cf[32][11]; 114 115 extern const float ff_dca_quant_amp[57]; 116 117 extern const float ff_dca_st_coeff[34]; 118 119 extern const float ff_dca_long_window[128]; 120 121 extern const float ff_dca_lfe_step_size_16[101]; 122 extern const float ff_dca_lfe_step_size_24[144]; 123 124 extern const float ff_dca_bank_coeff[10]; 125 extern const float ff_dca_lfe_iir[5][4]; 126 127 #endif /* AVCODEC_DCADATA_H */ 128