1
0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-18 03:19:31 +02:00
FFmpeg/libavcodec/dcadata.h
foo86 64fe1eebdd avcodec/dca: use LUT for LBR frequency ranges
Values for unsupported frequencies > 48000 Hz are still included (parser
will make use of them).

Also convert sampling frequencies array to unsigned.

Signed-off-by: James Almer <jamrial@gmail.com>
2016-05-20 23:12:37 -03:00

125 lines
3.8 KiB
C

/*
* DCA compatible decoder data
*
* 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
*/
#ifndef AVCODEC_DCADATA_H
#define AVCODEC_DCADATA_H
#include <stdint.h>
extern const uint32_t ff_dca_bit_rates[32];
extern const uint8_t ff_dca_channels[16];
extern const uint8_t ff_dca_bits_per_sample[8];
extern const uint8_t ff_dca_dmix_primary_nch[8];
extern const int16_t ff_dca_adpcm_vb[4096][4];
extern const uint32_t ff_dca_scale_factor_quant6[64];
extern const uint32_t ff_dca_scale_factor_quant7[128];
extern const uint32_t ff_dca_joint_scale_factors[129];
extern const uint32_t ff_dca_scale_factor_adj[4];
extern const uint32_t ff_dca_quant_levels[32];
extern const uint32_t ff_dca_lossy_quant[32];
extern const uint32_t ff_dca_lossless_quant[32];
extern const int8_t ff_dca_high_freq_vq[1024][32];
extern const float ff_dca_fir_32bands_perfect[512];
extern const float ff_dca_fir_32bands_nonperfect[512];
extern const float ff_dca_lfe_fir_64[256];
extern const float ff_dca_lfe_fir_128[256];
extern const float ff_dca_fir_64bands[1024];
extern const int32_t ff_dca_fir_32bands_perfect_fixed[512];
extern const int32_t ff_dca_fir_32bands_nonperfect_fixed[512];
extern const int32_t ff_dca_lfe_fir_64_fixed[256];
extern const int32_t ff_dca_fir_64bands_fixed[1024];
#define FF_DCA_DMIXTABLE_SIZE 242U
#define FF_DCA_INV_DMIXTABLE_SIZE 201U
#define FF_DCA_DMIXTABLE_OFFSET (FF_DCA_DMIXTABLE_SIZE - FF_DCA_INV_DMIXTABLE_SIZE)
extern const uint16_t ff_dca_dmixtable[FF_DCA_DMIXTABLE_SIZE];
extern const uint32_t ff_dca_inv_dmixtable[FF_DCA_INV_DMIXTABLE_SIZE];
extern const uint16_t ff_dca_xll_refl_coeff[128];
extern const int32_t ff_dca_xll_band_coeff[20];
extern const uint32_t ff_dca_sampling_freqs[16];
extern const uint8_t ff_dca_freq_ranges[16];
extern const uint16_t ff_dca_avg_g3_freqs[3];
extern const uint16_t ff_dca_fst_amp[44];
extern const uint8_t ff_dca_freq_to_sb[32];
extern const int8_t ff_dca_ph0_shift[8];
extern const uint8_t ff_dca_grid_1_to_scf[11];
extern const uint8_t ff_dca_grid_2_to_scf[3];
extern const uint8_t ff_dca_scf_to_grid_1[32];
extern const uint8_t ff_dca_scf_to_grid_2[32];
extern const uint8_t ff_dca_grid_1_weights[12][32];
extern const uint8_t ff_dca_sb_reorder[8][8];
extern const int8_t ff_dca_lfe_delta_index_16[8];
extern const int8_t ff_dca_lfe_delta_index_24[32];
extern const uint16_t ff_dca_rsd_pack_5_in_8[256];
extern const uint8_t ff_dca_rsd_pack_3_in_7[128][3];
extern const float ff_dca_rsd_level_2a[2];
extern const float ff_dca_rsd_level_2b[2];
extern const float ff_dca_rsd_level_3[3];
extern const float ff_dca_rsd_level_5[5];
extern const float ff_dca_rsd_level_8[8];
extern const float ff_dca_rsd_level_16[16];
extern const float ff_dca_synth_env[32];
extern const float ff_dca_corr_cf[32][11];
extern const float ff_dca_quant_amp[57];
extern const float ff_dca_st_coeff[34];
extern const float ff_dca_long_window[128];
extern const float ff_dca_lfe_step_size_16[101];
extern const float ff_dca_lfe_step_size_24[144];
extern const float ff_dca_bank_coeff[10];
extern const float ff_dca_lfe_iir[5][4];
#endif /* AVCODEC_DCADATA_H */