2015-10-03 01:20:50 +08:00
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/***********************************************************************
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Copyright (c) 2006-2011, Skype Limited. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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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 Internet Society, IETF or IETF Trust, nor the
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names of specific contributors, may be used to endorse or promote
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products derived from this software without specific prior written
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permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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***********************************************************************/
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#ifndef SILK_TABLES_H
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#define SILK_TABLES_H
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2015-11-28 05:29:48 +08:00
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#include "opus/silk/define.h"
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#include "opus/silk/structs.h"
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2015-10-03 01:20:50 +08:00
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* Entropy coding tables (with size in bytes indicated) */
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extern const opus_uint8 silk_gain_iCDF[ 3 ][ N_LEVELS_QGAIN / 8 ]; /* 24 */
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extern const opus_uint8 silk_delta_gain_iCDF[ MAX_DELTA_GAIN_QUANT - MIN_DELTA_GAIN_QUANT + 1 ]; /* 41 */
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extern const opus_uint8 silk_pitch_lag_iCDF[ 2 * ( PITCH_EST_MAX_LAG_MS - PITCH_EST_MIN_LAG_MS ) ];/* 32 */
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extern const opus_uint8 silk_pitch_delta_iCDF[ 21 ]; /* 21 */
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extern const opus_uint8 silk_pitch_contour_iCDF[ 34 ]; /* 34 */
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extern const opus_uint8 silk_pitch_contour_NB_iCDF[ 11 ]; /* 11 */
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extern const opus_uint8 silk_pitch_contour_10_ms_iCDF[ 12 ]; /* 12 */
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extern const opus_uint8 silk_pitch_contour_10_ms_NB_iCDF[ 3 ]; /* 3 */
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extern const opus_uint8 silk_pulses_per_block_iCDF[ N_RATE_LEVELS ][ MAX_PULSES + 2 ]; /* 180 */
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extern const opus_uint8 silk_pulses_per_block_BITS_Q5[ N_RATE_LEVELS - 1 ][ MAX_PULSES + 2 ]; /* 162 */
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extern const opus_uint8 silk_rate_levels_iCDF[ 2 ][ N_RATE_LEVELS - 1 ]; /* 18 */
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extern const opus_uint8 silk_rate_levels_BITS_Q5[ 2 ][ N_RATE_LEVELS - 1 ]; /* 18 */
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extern const opus_uint8 silk_max_pulses_table[ 4 ]; /* 4 */
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extern const opus_uint8 silk_shell_code_table0[ 152 ]; /* 152 */
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extern const opus_uint8 silk_shell_code_table1[ 152 ]; /* 152 */
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extern const opus_uint8 silk_shell_code_table2[ 152 ]; /* 152 */
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extern const opus_uint8 silk_shell_code_table3[ 152 ]; /* 152 */
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extern const opus_uint8 silk_shell_code_table_offsets[ MAX_PULSES + 1 ]; /* 17 */
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extern const opus_uint8 silk_lsb_iCDF[ 2 ]; /* 2 */
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extern const opus_uint8 silk_sign_iCDF[ 42 ]; /* 42 */
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extern const opus_uint8 silk_uniform3_iCDF[ 3 ]; /* 3 */
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extern const opus_uint8 silk_uniform4_iCDF[ 4 ]; /* 4 */
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extern const opus_uint8 silk_uniform5_iCDF[ 5 ]; /* 5 */
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extern const opus_uint8 silk_uniform6_iCDF[ 6 ]; /* 6 */
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extern const opus_uint8 silk_uniform8_iCDF[ 8 ]; /* 8 */
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extern const opus_uint8 silk_NLSF_EXT_iCDF[ 7 ]; /* 7 */
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extern const opus_uint8 silk_LTP_per_index_iCDF[ 3 ]; /* 3 */
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extern const opus_uint8 * const silk_LTP_gain_iCDF_ptrs[ NB_LTP_CBKS ]; /* 3 */
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extern const opus_uint8 * const silk_LTP_gain_BITS_Q5_ptrs[ NB_LTP_CBKS ]; /* 3 */
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extern const opus_int16 silk_LTP_gain_middle_avg_RD_Q14;
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extern const opus_int8 * const silk_LTP_vq_ptrs_Q7[ NB_LTP_CBKS ]; /* 168 */
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extern const opus_uint8 * const silk_LTP_vq_gain_ptrs_Q7[NB_LTP_CBKS];
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extern const opus_int8 silk_LTP_vq_sizes[ NB_LTP_CBKS ]; /* 3 */
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extern const opus_uint8 silk_LTPscale_iCDF[ 3 ]; /* 4 */
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extern const opus_int16 silk_LTPScales_table_Q14[ 3 ]; /* 6 */
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extern const opus_uint8 silk_type_offset_VAD_iCDF[ 4 ]; /* 4 */
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extern const opus_uint8 silk_type_offset_no_VAD_iCDF[ 2 ]; /* 2 */
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extern const opus_int16 silk_stereo_pred_quant_Q13[ STEREO_QUANT_TAB_SIZE ]; /* 32 */
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extern const opus_uint8 silk_stereo_pred_joint_iCDF[ 25 ]; /* 25 */
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extern const opus_uint8 silk_stereo_only_code_mid_iCDF[ 2 ]; /* 2 */
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extern const opus_uint8 * const silk_LBRR_flags_iCDF_ptr[ 2 ]; /* 10 */
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extern const opus_uint8 silk_NLSF_interpolation_factor_iCDF[ 5 ]; /* 5 */
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extern const silk_NLSF_CB_struct silk_NLSF_CB_WB; /* 1040 */
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extern const silk_NLSF_CB_struct silk_NLSF_CB_NB_MB; /* 728 */
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/* Piece-wise linear mapping from bitrate in kbps to coding quality in dB SNR */
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extern const opus_int32 silk_TargetRate_table_NB[ TARGET_RATE_TAB_SZ ]; /* 32 */
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extern const opus_int32 silk_TargetRate_table_MB[ TARGET_RATE_TAB_SZ ]; /* 32 */
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extern const opus_int32 silk_TargetRate_table_WB[ TARGET_RATE_TAB_SZ ]; /* 32 */
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extern const opus_int16 silk_SNR_table_Q1[ TARGET_RATE_TAB_SZ ]; /* 32 */
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/* Quantization offsets */
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extern const opus_int16 silk_Quantization_Offsets_Q10[ 2 ][ 2 ]; /* 8 */
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/* Interpolation points for filter coefficients used in the bandwidth transition smoother */
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extern const opus_int32 silk_Transition_LP_B_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NB ]; /* 60 */
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extern const opus_int32 silk_Transition_LP_A_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NA ]; /* 60 */
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/* Rom table with cosine values */
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extern const opus_int16 silk_LSFCosTab_FIX_Q12[ LSF_COS_TAB_SZ_FIX + 1 ]; /* 258 */
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#ifdef __cplusplus
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}
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#endif
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#endif
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