1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/media/libopus/silk/tables.h Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,122 @@ 1.4 +/*********************************************************************** 1.5 +Copyright (c) 2006-2011, Skype Limited. All rights reserved. 1.6 +Redistribution and use in source and binary forms, with or without 1.7 +modification, are permitted provided that the following conditions 1.8 +are met: 1.9 +- Redistributions of source code must retain the above copyright notice, 1.10 +this list of conditions and the following disclaimer. 1.11 +- Redistributions in binary form must reproduce the above copyright 1.12 +notice, this list of conditions and the following disclaimer in the 1.13 +documentation and/or other materials provided with the distribution. 1.14 +- Neither the name of Internet Society, IETF or IETF Trust, nor the 1.15 +names of specific contributors, may be used to endorse or promote 1.16 +products derived from this software without specific prior written 1.17 +permission. 1.18 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 1.19 +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1.20 +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1.21 +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 1.22 +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 1.23 +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 1.24 +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 1.25 +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 1.26 +CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 1.27 +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 1.28 +POSSIBILITY OF SUCH DAMAGE. 1.29 +***********************************************************************/ 1.30 + 1.31 +#ifndef SILK_TABLES_H 1.32 +#define SILK_TABLES_H 1.33 + 1.34 +#include "define.h" 1.35 +#include "structs.h" 1.36 + 1.37 +#ifdef __cplusplus 1.38 +extern "C" 1.39 +{ 1.40 +#endif 1.41 + 1.42 +/* Entropy coding tables (with size in bytes indicated) */ 1.43 +extern const opus_uint8 silk_gain_iCDF[ 3 ][ N_LEVELS_QGAIN / 8 ]; /* 24 */ 1.44 +extern const opus_uint8 silk_delta_gain_iCDF[ MAX_DELTA_GAIN_QUANT - MIN_DELTA_GAIN_QUANT + 1 ]; /* 41 */ 1.45 + 1.46 +extern const opus_uint8 silk_pitch_lag_iCDF[ 2 * ( PITCH_EST_MAX_LAG_MS - PITCH_EST_MIN_LAG_MS ) ];/* 32 */ 1.47 +extern const opus_uint8 silk_pitch_delta_iCDF[ 21 ]; /* 21 */ 1.48 +extern const opus_uint8 silk_pitch_contour_iCDF[ 34 ]; /* 34 */ 1.49 +extern const opus_uint8 silk_pitch_contour_NB_iCDF[ 11 ]; /* 11 */ 1.50 +extern const opus_uint8 silk_pitch_contour_10_ms_iCDF[ 12 ]; /* 12 */ 1.51 +extern const opus_uint8 silk_pitch_contour_10_ms_NB_iCDF[ 3 ]; /* 3 */ 1.52 + 1.53 +extern const opus_uint8 silk_pulses_per_block_iCDF[ N_RATE_LEVELS ][ MAX_PULSES + 2 ]; /* 180 */ 1.54 +extern const opus_uint8 silk_pulses_per_block_BITS_Q5[ N_RATE_LEVELS - 1 ][ MAX_PULSES + 2 ]; /* 162 */ 1.55 + 1.56 +extern const opus_uint8 silk_rate_levels_iCDF[ 2 ][ N_RATE_LEVELS - 1 ]; /* 18 */ 1.57 +extern const opus_uint8 silk_rate_levels_BITS_Q5[ 2 ][ N_RATE_LEVELS - 1 ]; /* 18 */ 1.58 + 1.59 +extern const opus_uint8 silk_max_pulses_table[ 4 ]; /* 4 */ 1.60 + 1.61 +extern const opus_uint8 silk_shell_code_table0[ 152 ]; /* 152 */ 1.62 +extern const opus_uint8 silk_shell_code_table1[ 152 ]; /* 152 */ 1.63 +extern const opus_uint8 silk_shell_code_table2[ 152 ]; /* 152 */ 1.64 +extern const opus_uint8 silk_shell_code_table3[ 152 ]; /* 152 */ 1.65 +extern const opus_uint8 silk_shell_code_table_offsets[ MAX_PULSES + 1 ]; /* 17 */ 1.66 + 1.67 +extern const opus_uint8 silk_lsb_iCDF[ 2 ]; /* 2 */ 1.68 + 1.69 +extern const opus_uint8 silk_sign_iCDF[ 42 ]; /* 42 */ 1.70 + 1.71 +extern const opus_uint8 silk_uniform3_iCDF[ 3 ]; /* 3 */ 1.72 +extern const opus_uint8 silk_uniform4_iCDF[ 4 ]; /* 4 */ 1.73 +extern const opus_uint8 silk_uniform5_iCDF[ 5 ]; /* 5 */ 1.74 +extern const opus_uint8 silk_uniform6_iCDF[ 6 ]; /* 6 */ 1.75 +extern const opus_uint8 silk_uniform8_iCDF[ 8 ]; /* 8 */ 1.76 + 1.77 +extern const opus_uint8 silk_NLSF_EXT_iCDF[ 7 ]; /* 7 */ 1.78 + 1.79 +extern const opus_uint8 silk_LTP_per_index_iCDF[ 3 ]; /* 3 */ 1.80 +extern const opus_uint8 * const silk_LTP_gain_iCDF_ptrs[ NB_LTP_CBKS ]; /* 3 */ 1.81 +extern const opus_uint8 * const silk_LTP_gain_BITS_Q5_ptrs[ NB_LTP_CBKS ]; /* 3 */ 1.82 +extern const opus_int16 silk_LTP_gain_middle_avg_RD_Q14; 1.83 +extern const opus_int8 * const silk_LTP_vq_ptrs_Q7[ NB_LTP_CBKS ]; /* 168 */ 1.84 +extern const opus_uint8 * const silk_LTP_vq_gain_ptrs_Q7[NB_LTP_CBKS]; 1.85 + 1.86 +extern const opus_int8 silk_LTP_vq_sizes[ NB_LTP_CBKS ]; /* 3 */ 1.87 + 1.88 +extern const opus_uint8 silk_LTPscale_iCDF[ 3 ]; /* 4 */ 1.89 +extern const opus_int16 silk_LTPScales_table_Q14[ 3 ]; /* 6 */ 1.90 + 1.91 +extern const opus_uint8 silk_type_offset_VAD_iCDF[ 4 ]; /* 4 */ 1.92 +extern const opus_uint8 silk_type_offset_no_VAD_iCDF[ 2 ]; /* 2 */ 1.93 + 1.94 +extern const opus_int16 silk_stereo_pred_quant_Q13[ STEREO_QUANT_TAB_SIZE ]; /* 32 */ 1.95 +extern const opus_uint8 silk_stereo_pred_joint_iCDF[ 25 ]; /* 25 */ 1.96 +extern const opus_uint8 silk_stereo_only_code_mid_iCDF[ 2 ]; /* 2 */ 1.97 + 1.98 +extern const opus_uint8 * const silk_LBRR_flags_iCDF_ptr[ 2 ]; /* 10 */ 1.99 + 1.100 +extern const opus_uint8 silk_NLSF_interpolation_factor_iCDF[ 5 ]; /* 5 */ 1.101 + 1.102 +extern const silk_NLSF_CB_struct silk_NLSF_CB_WB; /* 1040 */ 1.103 +extern const silk_NLSF_CB_struct silk_NLSF_CB_NB_MB; /* 728 */ 1.104 + 1.105 +/* Piece-wise linear mapping from bitrate in kbps to coding quality in dB SNR */ 1.106 +extern const opus_int32 silk_TargetRate_table_NB[ TARGET_RATE_TAB_SZ ]; /* 32 */ 1.107 +extern const opus_int32 silk_TargetRate_table_MB[ TARGET_RATE_TAB_SZ ]; /* 32 */ 1.108 +extern const opus_int32 silk_TargetRate_table_WB[ TARGET_RATE_TAB_SZ ]; /* 32 */ 1.109 +extern const opus_int16 silk_SNR_table_Q1[ TARGET_RATE_TAB_SZ ]; /* 32 */ 1.110 + 1.111 +/* Quantization offsets */ 1.112 +extern const opus_int16 silk_Quantization_Offsets_Q10[ 2 ][ 2 ]; /* 8 */ 1.113 + 1.114 +/* Interpolation points for filter coefficients used in the bandwidth transition smoother */ 1.115 +extern const opus_int32 silk_Transition_LP_B_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NB ]; /* 60 */ 1.116 +extern const opus_int32 silk_Transition_LP_A_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NA ]; /* 60 */ 1.117 + 1.118 +/* Rom table with cosine values */ 1.119 +extern const opus_int16 silk_LSFCosTab_FIX_Q12[ LSF_COS_TAB_SZ_FIX + 1 ]; /* 258 */ 1.120 + 1.121 +#ifdef __cplusplus 1.122 +} 1.123 +#endif 1.124 + 1.125 +#endif