gecko-dev/media/libopus/silk/tables.h

121 строка
7.5 KiB
C

/***********************************************************************
Copyright (c) 2006-2011, Skype Limited. All rights reserved.
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modification, are permitted provided that the following conditions
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names of specific contributors, may be used to endorse or promote
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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***********************************************************************/
#ifndef SILK_TABLES_H
#define SILK_TABLES_H
#include "define.h"
#include "structs.h"
#ifdef __cplusplus
extern "C"
{
#endif
/* Entropy coding tables (with size in bytes indicated) */
extern const opus_uint8 silk_gain_iCDF[ 3 ][ N_LEVELS_QGAIN / 8 ]; /* 24 */
extern const opus_uint8 silk_delta_gain_iCDF[ MAX_DELTA_GAIN_QUANT - MIN_DELTA_GAIN_QUANT + 1 ]; /* 41 */
extern const opus_uint8 silk_pitch_lag_iCDF[ 2 * ( PITCH_EST_MAX_LAG_MS - PITCH_EST_MIN_LAG_MS ) ];/* 32 */
extern const opus_uint8 silk_pitch_delta_iCDF[ 21 ]; /* 21 */
extern const opus_uint8 silk_pitch_contour_iCDF[ 34 ]; /* 34 */
extern const opus_uint8 silk_pitch_contour_NB_iCDF[ 11 ]; /* 11 */
extern const opus_uint8 silk_pitch_contour_10_ms_iCDF[ 12 ]; /* 12 */
extern const opus_uint8 silk_pitch_contour_10_ms_NB_iCDF[ 3 ]; /* 3 */
extern const opus_uint8 silk_pulses_per_block_iCDF[ N_RATE_LEVELS ][ SILK_MAX_PULSES + 2 ]; /* 180 */
extern const opus_uint8 silk_pulses_per_block_BITS_Q5[ N_RATE_LEVELS - 1 ][ SILK_MAX_PULSES + 2 ]; /* 162 */
extern const opus_uint8 silk_rate_levels_iCDF[ 2 ][ N_RATE_LEVELS - 1 ]; /* 18 */
extern const opus_uint8 silk_rate_levels_BITS_Q5[ 2 ][ N_RATE_LEVELS - 1 ]; /* 18 */
extern const opus_uint8 silk_max_pulses_table[ 4 ]; /* 4 */
extern const opus_uint8 silk_shell_code_table0[ 152 ]; /* 152 */
extern const opus_uint8 silk_shell_code_table1[ 152 ]; /* 152 */
extern const opus_uint8 silk_shell_code_table2[ 152 ]; /* 152 */
extern const opus_uint8 silk_shell_code_table3[ 152 ]; /* 152 */
extern const opus_uint8 silk_shell_code_table_offsets[ SILK_MAX_PULSES + 1 ]; /* 17 */
extern const opus_uint8 silk_lsb_iCDF[ 2 ]; /* 2 */
extern const opus_uint8 silk_sign_iCDF[ 42 ]; /* 42 */
extern const opus_uint8 silk_uniform3_iCDF[ 3 ]; /* 3 */
extern const opus_uint8 silk_uniform4_iCDF[ 4 ]; /* 4 */
extern const opus_uint8 silk_uniform5_iCDF[ 5 ]; /* 5 */
extern const opus_uint8 silk_uniform6_iCDF[ 6 ]; /* 6 */
extern const opus_uint8 silk_uniform8_iCDF[ 8 ]; /* 8 */
extern const opus_uint8 silk_NLSF_EXT_iCDF[ 7 ]; /* 7 */
extern const opus_uint8 silk_LTP_per_index_iCDF[ 3 ]; /* 3 */
extern const opus_uint8 * const silk_LTP_gain_iCDF_ptrs[ NB_LTP_CBKS ]; /* 3 */
extern const opus_uint8 * const silk_LTP_gain_BITS_Q5_ptrs[ NB_LTP_CBKS ]; /* 3 */
extern const opus_int8 * const silk_LTP_vq_ptrs_Q7[ NB_LTP_CBKS ]; /* 168 */
extern const opus_uint8 * const silk_LTP_vq_gain_ptrs_Q7[NB_LTP_CBKS];
extern const opus_int8 silk_LTP_vq_sizes[ NB_LTP_CBKS ]; /* 3 */
extern const opus_uint8 silk_LTPscale_iCDF[ 3 ]; /* 4 */
extern const opus_int16 silk_LTPScales_table_Q14[ 3 ]; /* 6 */
extern const opus_uint8 silk_type_offset_VAD_iCDF[ 4 ]; /* 4 */
extern const opus_uint8 silk_type_offset_no_VAD_iCDF[ 2 ]; /* 2 */
extern const opus_int16 silk_stereo_pred_quant_Q13[ STEREO_QUANT_TAB_SIZE ]; /* 32 */
extern const opus_uint8 silk_stereo_pred_joint_iCDF[ 25 ]; /* 25 */
extern const opus_uint8 silk_stereo_only_code_mid_iCDF[ 2 ]; /* 2 */
extern const opus_uint8 * const silk_LBRR_flags_iCDF_ptr[ 2 ]; /* 10 */
extern const opus_uint8 silk_NLSF_interpolation_factor_iCDF[ 5 ]; /* 5 */
extern const silk_NLSF_CB_struct silk_NLSF_CB_WB; /* 1040 */
extern const silk_NLSF_CB_struct silk_NLSF_CB_NB_MB; /* 728 */
/* Piece-wise linear mapping from bitrate in kbps to coding quality in dB SNR */
extern const opus_int32 silk_TargetRate_table_NB[ TARGET_RATE_TAB_SZ ]; /* 32 */
extern const opus_int32 silk_TargetRate_table_MB[ TARGET_RATE_TAB_SZ ]; /* 32 */
extern const opus_int32 silk_TargetRate_table_WB[ TARGET_RATE_TAB_SZ ]; /* 32 */
extern const opus_int16 silk_SNR_table_Q1[ TARGET_RATE_TAB_SZ ]; /* 32 */
/* Quantization offsets */
extern const opus_int16 silk_Quantization_Offsets_Q10[ 2 ][ 2 ]; /* 8 */
/* Interpolation points for filter coefficients used in the bandwidth transition smoother */
extern const opus_int32 silk_Transition_LP_B_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NB ]; /* 60 */
extern const opus_int32 silk_Transition_LP_A_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NA ]; /* 60 */
/* Rom table with cosine values */
extern const opus_int16 silk_LSFCosTab_FIX_Q12[ LSF_COS_TAB_SZ_FIX + 1 ]; /* 258 */
#ifdef __cplusplus
}
#endif
#endif