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freeswitch/libs/silk/src/SKP_Silk_tables.h

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/***********************************************************************
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Copyright (c) 2006-2011, Skype Limited. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, (subject to the limitations in the disclaimer below)
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are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of Skype Limited, nor the names of specific
contributors, may be used to endorse or promote products derived from
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this software without specific prior written permission.
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NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
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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,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
***********************************************************************/
#ifndef SKP_SILK_TABLES_H
#define SKP_SILK_TABLES_H
#include "SKP_Silk_define.h"
#include "SKP_Silk_structs.h"
#define PITCH_EST_MAX_LAG_MS 18 /* 18 ms -> 56 Hz */
#define PITCH_EST_MIN_LAG_MS 2 /* 2 ms -> 500 Hz */
#ifdef __cplusplus
extern "C"
{
#endif
/* entropy coding tables */
extern const SKP_uint16 SKP_Silk_type_offset_CDF[ 5 ]; /* 5 */
extern const SKP_uint16 SKP_Silk_type_offset_joint_CDF[ 4 ][ 5 ]; /* 20 */
extern const SKP_int SKP_Silk_type_offset_CDF_offset;
extern const SKP_uint16 SKP_Silk_gain_CDF[ 2 ][ N_LEVELS_QGAIN + 1 ]; /* 130 */
extern const SKP_int SKP_Silk_gain_CDF_offset;
extern const SKP_uint16 SKP_Silk_delta_gain_CDF[ MAX_DELTA_GAIN_QUANT - MIN_DELTA_GAIN_QUANT + 2 ]; /* 46 */
extern const SKP_int SKP_Silk_delta_gain_CDF_offset;
extern const SKP_uint16 SKP_Silk_pitch_lag_NB_CDF[ 8 * ( PITCH_EST_MAX_LAG_MS - PITCH_EST_MIN_LAG_MS ) + 2 ]; /* 130 */
extern const SKP_int SKP_Silk_pitch_lag_NB_CDF_offset;
extern const SKP_uint16 SKP_Silk_pitch_lag_MB_CDF[ 12 * ( PITCH_EST_MAX_LAG_MS - PITCH_EST_MIN_LAG_MS ) + 2 ]; /* 194 */
extern const SKP_int SKP_Silk_pitch_lag_MB_CDF_offset;
extern const SKP_uint16 SKP_Silk_pitch_lag_WB_CDF[ 16 * ( PITCH_EST_MAX_LAG_MS - PITCH_EST_MIN_LAG_MS ) + 2 ]; /* 258 */
extern const SKP_int SKP_Silk_pitch_lag_WB_CDF_offset;
extern const SKP_uint16 SKP_Silk_pitch_lag_SWB_CDF[ 24 * ( PITCH_EST_MAX_LAG_MS - PITCH_EST_MIN_LAG_MS ) + 2 ]; /* 386 */
extern const SKP_int SKP_Silk_pitch_lag_SWB_CDF_offset;
extern const SKP_uint16 SKP_Silk_pitch_contour_CDF[ 35 ]; /* 35 */
extern const SKP_int SKP_Silk_pitch_contour_CDF_offset;
extern const SKP_uint16 SKP_Silk_pitch_contour_NB_CDF[ 12 ]; /* 12 */
extern const SKP_int SKP_Silk_pitch_contour_NB_CDF_offset;
extern const SKP_uint16 SKP_Silk_pitch_delta_CDF[23]; /* 23 */
extern const SKP_int SKP_Silk_pitch_delta_CDF_offset;
extern const SKP_uint16 SKP_Silk_pulses_per_block_CDF[ N_RATE_LEVELS ][ MAX_PULSES + 3 ]; /* 210 */
extern const SKP_int SKP_Silk_pulses_per_block_CDF_offset;
extern const SKP_int16 SKP_Silk_pulses_per_block_BITS_Q6[ N_RATE_LEVELS - 1 ][ MAX_PULSES + 2 ]; /* 180 */
extern const SKP_uint16 SKP_Silk_rate_levels_CDF[ 2 ][ N_RATE_LEVELS ]; /* 20 */
extern const SKP_int SKP_Silk_rate_levels_CDF_offset;
extern const SKP_int16 SKP_Silk_rate_levels_BITS_Q6[ 2 ][ N_RATE_LEVELS - 1 ]; /* 18 */
extern const SKP_int SKP_Silk_max_pulses_table[ 4 ]; /* 4 */
extern const SKP_uint16 SKP_Silk_shell_code_table0[ 33 ]; /* 33 */
extern const SKP_uint16 SKP_Silk_shell_code_table1[ 52 ]; /* 52 */
extern const SKP_uint16 SKP_Silk_shell_code_table2[ 102 ]; /* 102 */
extern const SKP_uint16 SKP_Silk_shell_code_table3[ 207 ]; /* 207 */
extern const SKP_uint16 SKP_Silk_shell_code_table_offsets[ 19 ]; /* 19 */
extern const SKP_uint16 SKP_Silk_lsb_CDF[ 3 ]; /* 3 */
extern const SKP_uint16 SKP_Silk_sign_CDF[ 36 ]; /* 36 */
extern const SKP_uint16 SKP_Silk_LTP_per_index_CDF[ 4 ]; /* 4 */
extern const SKP_int SKP_Silk_LTP_per_index_CDF_offset;
extern const SKP_int16 * const SKP_Silk_LTP_gain_BITS_Q6_ptrs[ NB_LTP_CBKS ]; /* 3 */
extern const SKP_uint16 * const SKP_Silk_LTP_gain_CDF_ptrs[ NB_LTP_CBKS ]; /* 3 */
extern const SKP_int SKP_Silk_LTP_gain_CDF_offsets[ NB_LTP_CBKS ]; /* 3 */
extern const SKP_int32 SKP_Silk_LTP_gain_middle_avg_RD_Q14;
extern const SKP_uint16 SKP_Silk_LTPscale_CDF[ 4 ]; /* 4 */
extern const SKP_int SKP_Silk_LTPscale_offset;
/* Tables for LTPScale */
extern const SKP_int16 SKP_Silk_LTPScales_table_Q14[ 3 ];
extern const SKP_uint16 SKP_Silk_vadflag_CDF[ 3 ]; /* 3 */
extern const SKP_int SKP_Silk_vadflag_offset;
extern const SKP_int SKP_Silk_SamplingRates_table[ 4 ]; /* 4 */
extern const SKP_uint16 SKP_Silk_SamplingRates_CDF[ 5 ]; /* 5 */
extern const SKP_int SKP_Silk_SamplingRates_offset;
extern const SKP_uint16 SKP_Silk_NLSF_interpolation_factor_CDF[ 6 ];
extern const SKP_int SKP_Silk_NLSF_interpolation_factor_offset;
/* NLSF codebooks */
extern const SKP_Silk_NLSF_CB_struct SKP_Silk_NLSF_CB0_16, SKP_Silk_NLSF_CB1_16;
extern const SKP_Silk_NLSF_CB_struct SKP_Silk_NLSF_CB0_10, SKP_Silk_NLSF_CB1_10;
/* quantization tables */
extern const SKP_int16 * const SKP_Silk_LTP_vq_ptrs_Q14[ NB_LTP_CBKS ]; /* 168 */
extern const SKP_int SKP_Silk_LTP_vq_sizes[ NB_LTP_CBKS ]; /* 3 */
/* Piece-wise linear mapping from bitrate in kbps to coding quality in dB SNR */
extern const SKP_int32 TargetRate_table_NB[ TARGET_RATE_TAB_SZ ];
extern const SKP_int32 TargetRate_table_MB[ TARGET_RATE_TAB_SZ ];
extern const SKP_int32 TargetRate_table_WB[ TARGET_RATE_TAB_SZ ];
extern const SKP_int32 TargetRate_table_SWB[ TARGET_RATE_TAB_SZ ];
extern const SKP_int32 SNR_table_Q1[ TARGET_RATE_TAB_SZ ];
extern const SKP_int32 SNR_table_one_bit_per_sample_Q7[ 4 ];
/* Filter coeficicnts for HP filter: 4. Order filter implementad as two biquad filters */
extern const SKP_int16 SKP_Silk_SWB_detect_B_HP_Q13[ NB_SOS ][ 3 ];
extern const SKP_int16 SKP_Silk_SWB_detect_A_HP_Q13[ NB_SOS ][ 2 ];
/* Decoder high-pass filter coefficients for 24 kHz sampling */
extern const SKP_int16 SKP_Silk_Dec_A_HP_24[ DEC_HP_ORDER ]; /* 2 */
extern const SKP_int16 SKP_Silk_Dec_B_HP_24[ DEC_HP_ORDER + 1 ]; /* 3 */
/* Decoder high-pass filter coefficients for 16 kHz sampling */
extern const SKP_int16 SKP_Silk_Dec_A_HP_16[ DEC_HP_ORDER ]; /* 2 */
extern const SKP_int16 SKP_Silk_Dec_B_HP_16[ DEC_HP_ORDER + 1 ]; /* 3 */
/* Decoder high-pass filter coefficients for 12 kHz sampling */
extern const SKP_int16 SKP_Silk_Dec_A_HP_12[ DEC_HP_ORDER ]; /* 2 */
extern const SKP_int16 SKP_Silk_Dec_B_HP_12[ DEC_HP_ORDER + 1 ]; /* 3 */
/* Decoder high-pass filter coefficients for 8 kHz sampling */
extern const SKP_int16 SKP_Silk_Dec_A_HP_8[ DEC_HP_ORDER ]; /* 2 */
extern const SKP_int16 SKP_Silk_Dec_B_HP_8[ DEC_HP_ORDER + 1 ]; /* 3 */
/* Table for frame termination indication */
extern const SKP_uint16 SKP_Silk_FrameTermination_CDF[ 5 ];
extern const SKP_int SKP_Silk_FrameTermination_offset;
/* Table for random seed */
extern const SKP_uint16 SKP_Silk_Seed_CDF[ 5 ];
extern const SKP_int SKP_Silk_Seed_offset;
/* Quantization offsets */
extern const SKP_int16 SKP_Silk_Quantization_Offsets_Q10[ 2 ][ 2 ];
#if SWITCH_TRANSITION_FILTERING
/* Interpolation points for filter coefficients used in the bandwidth transition smoother */
extern const SKP_int32 SKP_Silk_Transition_LP_B_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NB ];
extern const SKP_int32 SKP_Silk_Transition_LP_A_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NA ];
#endif
#ifdef __cplusplus
}
#endif
#endif