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| Copyright (c) 2006-2011, Skype Limited. All rights reserved. | |
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| ***********************************************************************/ | |
| #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_uint8 SKP_Silk_gain_iCDF[ 3 ][ N_LEVELS_QGAIN / 8 ]; /* 24 */ | |
| extern const SKP_uint8 SKP_Silk_delta_gain_iCDF[ MAX_DELTA_GAIN_QUANT - MIN_DELTA_GAIN_QUANT + 1 ]; /* 41 */ | |
| extern const SKP_uint8 SKP_Silk_pitch_lag_iCDF[ 2 * ( PITCH_EST_MAX_LAG_MS - PITCH_EST_MIN_LAG_MS ) ]; /* 32 */ | |
| extern const SKP_uint8 SKP_Silk_pitch_delta_iCDF[21]; /* 21 */ | |
| extern const SKP_uint8 SKP_Silk_pitch_contour_iCDF[34]; /* 34 */ | |
| extern const SKP_uint8 SKP_Silk_pitch_contour_NB_iCDF[ 11 ]; /* 11 */ | |
| extern const SKP_uint8 SKP_Silk_pitch_contour_10_ms_iCDF[12]; /* 12 */ | |
| extern const SKP_uint8 SKP_Silk_pitch_contour_10_ms_NB_iCDF[3]; /* 3 */ | |
| extern const SKP_uint8 SKP_Silk_pulses_per_block_iCDF[ N_RATE_LEVELS ][ MAX_PULSES + 2 ]; /* 180 */ | |
| extern const SKP_uint8 SKP_Silk_pulses_per_block_BITS_Q5[ N_RATE_LEVELS - 1 ][ MAX_PULSES + 2 ]; /* 162 */ | |
| extern const SKP_uint8 SKP_Silk_rate_levels_iCDF[ 2 ][ N_RATE_LEVELS - 1 ]; /* 18 */ | |
| extern const SKP_uint8 SKP_Silk_rate_levels_BITS_Q5[ 2 ][ N_RATE_LEVELS - 1 ]; /* 18 */ | |
| extern const SKP_uint8 SKP_Silk_max_pulses_table[ 4 ]; /* 4 */ | |
| extern const SKP_uint8 SKP_Silk_shell_code_table0[ 44 ]; /* 44 */ | |
| extern const SKP_uint8 SKP_Silk_shell_code_table1[ 65 ]; /* 65 */ | |
| extern const SKP_uint8 SKP_Silk_shell_code_table2[ 90 ]; /* 90 */ | |
| extern const SKP_uint8 SKP_Silk_shell_code_table3[ 152 ]; /* 152 */ | |
| extern const SKP_uint8 SKP_Silk_shell_code_table_offsets[ MAX_PULSES + 1 ]; /* 17 */ | |
| extern const SKP_uint8 SKP_Silk_lsb_iCDF[ 2 ]; /* 2 */ | |
| extern const SKP_uint8 SKP_Silk_sign_iCDF[ 36 ]; /* 36 */ | |
| extern const SKP_uint8 SKP_Silk_uniform2_iCDF[ 2 ]; /* 2 */ | |
| extern const SKP_uint8 SKP_Silk_uniform4_iCDF[ 4 ]; /* 4 */ | |
| extern const SKP_uint8 SKP_Silk_uniform6_iCDF[ 6 ]; /* 6 */ | |
| extern const SKP_uint8 SKP_Silk_uniform8_iCDF[ 8 ]; /* 8 */ | |
| extern const SKP_uint8 SKP_Silk_NLSF_EXT_iCDF[ 7 ]; /* 7 */ | |
| extern const SKP_uint8 SKP_Silk_LTP_per_index_iCDF[ 3 ]; /* 3 */ | |
| extern const SKP_uint8 * const SKP_Silk_LTP_gain_iCDF_ptrs[ NB_LTP_CBKS ]; /* 3 */ | |
| extern const SKP_uint8 * const SKP_Silk_LTP_gain_BITS_Q5_ptrs[ NB_LTP_CBKS ]; /* 3 */ | |
| extern const SKP_int16 SKP_Silk_LTP_gain_middle_avg_RD_Q14; | |
| extern const SKP_int8 * const SKP_Silk_LTP_vq_ptrs_Q7[ NB_LTP_CBKS ]; /* 168 */ | |
| extern const SKP_int8 SKP_Silk_LTP_vq_sizes[ NB_LTP_CBKS ]; /* 3 */ | |
| extern const SKP_uint8 SKP_Silk_LTPscale_iCDF[ 3 ]; /* 4 */ | |
| extern const SKP_int16 SKP_Silk_LTPScales_table_Q14[ 3 ]; | |
| extern const SKP_uint8 SKP_Silk_type_offset_VAD_iCDF[4]; /* 4 */ | |
| extern const SKP_uint8 SKP_Silk_type_offset_no_VAD_iCDF[2]; /* 2 */ | |
| extern const SKP_uint8 * const SKP_Silk_LBRR_flags_iCDF_ptr[2]; /* 10 */ | |
| extern const SKP_uint8 SKP_Silk_NLSF_interpolation_factor_iCDF[ 5 ]; /* 5 */ | |
| extern const SKP_Silk_NLSF_CB_struct SKP_Silk_NLSF_CB_WB; | |
| extern const SKP_Silk_NLSF_CB_struct SKP_Silk_NLSF_CB_NB_MB; | |
| /* 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_int16 SNR_table_Q1[ TARGET_RATE_TAB_SZ ]; | |
| /* Decoder high-pass filter coefficients */ | |
| extern const SKP_int32 SKP_Silk_Dec_A_HP_16[ DEC_HP_ORDER ]; /* 2 */ | |
| extern const SKP_int32 SKP_Silk_Dec_B_HP_16[ DEC_HP_ORDER + 1 ]; /* 3 */ | |
| extern const SKP_int32 SKP_Silk_Dec_A_HP_12[ DEC_HP_ORDER ]; /* 2 */ | |
| extern const SKP_int32 SKP_Silk_Dec_B_HP_12[ DEC_HP_ORDER + 1 ]; /* 3 */ | |
| extern const SKP_int32 SKP_Silk_Dec_A_HP_8[ DEC_HP_ORDER ]; /* 2 */ | |
| extern const SKP_int32 SKP_Silk_Dec_B_HP_8[ DEC_HP_ORDER + 1 ]; /* 3 */ | |
| /* 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 |