• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /***********************************************************************
2 Copyright (c) 2006-2011, Skype Limited. All rights reserved.
3 Redistribution and use in source and binary forms, with or without
4 modification, are permitted provided that the following conditions
5 are met:
6 - Redistributions of source code must retain the above copyright notice,
7 this list of conditions and the following disclaimer.
8 - Redistributions in binary form must reproduce the above copyright
9 notice, this list of conditions and the following disclaimer in the
10 documentation and/or other materials provided with the distribution.
11 - Neither the name of Internet Society, IETF or IETF Trust, nor the
12 names of specific contributors, may be used to endorse or promote
13 products derived from this software without specific prior written
14 permission.
15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 POSSIBILITY OF SUCH DAMAGE.
26 ***********************************************************************/
27 
28 #ifndef SILK_TABLES_H
29 #define SILK_TABLES_H
30 
31 #include "define.h"
32 #include "structs.h"
33 
34 #ifdef __cplusplus
35 extern "C"
36 {
37 #endif
38 
39 /* Entropy coding tables (with size in bytes indicated) */
40 extern const opus_uint8  silk_gain_iCDF[ 3 ][ N_LEVELS_QGAIN / 8 ];                                 /* 24 */
41 extern const opus_uint8  silk_delta_gain_iCDF[ MAX_DELTA_GAIN_QUANT - MIN_DELTA_GAIN_QUANT + 1 ];   /* 41 */
42 
43 extern const opus_uint8  silk_pitch_lag_iCDF[ 2 * ( PITCH_EST_MAX_LAG_MS - PITCH_EST_MIN_LAG_MS ) ];/* 32 */
44 extern const opus_uint8  silk_pitch_delta_iCDF[ 21 ];                                               /*  21 */
45 extern const opus_uint8  silk_pitch_contour_iCDF[ 34 ];                                             /*  34 */
46 extern const opus_uint8  silk_pitch_contour_NB_iCDF[ 11 ];                                          /*  11 */
47 extern const opus_uint8  silk_pitch_contour_10_ms_iCDF[ 12 ];                                       /*  12 */
48 extern const opus_uint8  silk_pitch_contour_10_ms_NB_iCDF[ 3 ];                                     /*   3 */
49 
50 extern const opus_uint8  silk_pulses_per_block_iCDF[ N_RATE_LEVELS ][ MAX_PULSES + 2 ];             /* 180 */
51 extern const opus_uint8  silk_pulses_per_block_BITS_Q5[ N_RATE_LEVELS - 1 ][ MAX_PULSES + 2 ];      /* 162 */
52 
53 extern const opus_uint8  silk_rate_levels_iCDF[ 2 ][ N_RATE_LEVELS - 1 ];                           /*  18 */
54 extern const opus_uint8  silk_rate_levels_BITS_Q5[ 2 ][ N_RATE_LEVELS - 1 ];                        /*  18 */
55 
56 extern const opus_uint8  silk_max_pulses_table[ 4 ];                                                /*   4 */
57 
58 extern const opus_uint8  silk_shell_code_table0[ 152 ];                                             /* 152 */
59 extern const opus_uint8  silk_shell_code_table1[ 152 ];                                             /* 152 */
60 extern const opus_uint8  silk_shell_code_table2[ 152 ];                                             /* 152 */
61 extern const opus_uint8  silk_shell_code_table3[ 152 ];                                             /* 152 */
62 extern const opus_uint8  silk_shell_code_table_offsets[ MAX_PULSES + 1 ];                           /*  17 */
63 
64 extern const opus_uint8  silk_lsb_iCDF[ 2 ];                                                        /*   2 */
65 
66 extern const opus_uint8  silk_sign_iCDF[ 42 ];                                                      /*  42 */
67 
68 extern const opus_uint8  silk_uniform3_iCDF[ 3 ];                                                   /*   3 */
69 extern const opus_uint8  silk_uniform4_iCDF[ 4 ];                                                   /*   4 */
70 extern const opus_uint8  silk_uniform5_iCDF[ 5 ];                                                   /*   5 */
71 extern const opus_uint8  silk_uniform6_iCDF[ 6 ];                                                   /*   6 */
72 extern const opus_uint8  silk_uniform8_iCDF[ 8 ];                                                   /*   8 */
73 
74 extern const opus_uint8  silk_NLSF_EXT_iCDF[ 7 ];                                                   /*   7 */
75 
76 extern const opus_uint8  silk_LTP_per_index_iCDF[ 3 ];                                              /*   3 */
77 extern const opus_uint8  * const silk_LTP_gain_iCDF_ptrs[ NB_LTP_CBKS ];                            /*   3 */
78 extern const opus_uint8  * const silk_LTP_gain_BITS_Q5_ptrs[ NB_LTP_CBKS ];                         /*   3 */
79 extern const opus_int16  silk_LTP_gain_middle_avg_RD_Q14;
80 extern const opus_int8   * const silk_LTP_vq_ptrs_Q7[ NB_LTP_CBKS ];                                /* 168 */
81 extern const opus_uint8  * const silk_LTP_vq_gain_ptrs_Q7[NB_LTP_CBKS];
82 
83 extern const opus_int8   silk_LTP_vq_sizes[ NB_LTP_CBKS ];                                          /*   3 */
84 
85 extern const opus_uint8  silk_LTPscale_iCDF[ 3 ];                                                   /*   4 */
86 extern const opus_int16  silk_LTPScales_table_Q14[ 3 ];                                             /*   6 */
87 
88 extern const opus_uint8  silk_type_offset_VAD_iCDF[ 4 ];                                            /*   4 */
89 extern const opus_uint8  silk_type_offset_no_VAD_iCDF[ 2 ];                                         /*   2 */
90 
91 extern const opus_int16  silk_stereo_pred_quant_Q13[ STEREO_QUANT_TAB_SIZE ];                       /*  32 */
92 extern const opus_uint8  silk_stereo_pred_joint_iCDF[ 25 ];                                         /*  25 */
93 extern const opus_uint8  silk_stereo_only_code_mid_iCDF[ 2 ];                                       /*   2 */
94 
95 extern const opus_uint8  * const silk_LBRR_flags_iCDF_ptr[ 2 ];                                     /*  10 */
96 
97 extern const opus_uint8  silk_NLSF_interpolation_factor_iCDF[ 5 ];                                  /*   5 */
98 
99 extern const silk_NLSF_CB_struct silk_NLSF_CB_WB;                                                   /* 1040 */
100 extern const silk_NLSF_CB_struct silk_NLSF_CB_NB_MB;                                                /* 728 */
101 
102 /* Piece-wise linear mapping from bitrate in kbps to coding quality in dB SNR */
103 extern const opus_int32  silk_TargetRate_table_NB[  TARGET_RATE_TAB_SZ ];                           /*  32 */
104 extern const opus_int32  silk_TargetRate_table_MB[  TARGET_RATE_TAB_SZ ];                           /*  32 */
105 extern const opus_int32  silk_TargetRate_table_WB[  TARGET_RATE_TAB_SZ ];                           /*  32 */
106 extern const opus_int16  silk_SNR_table_Q1[         TARGET_RATE_TAB_SZ ];                           /*  32 */
107 
108 /* Quantization offsets */
109 extern const opus_int16  silk_Quantization_Offsets_Q10[ 2 ][ 2 ];                                   /*   8 */
110 
111 /* Interpolation points for filter coefficients used in the bandwidth transition smoother */
112 extern const opus_int32  silk_Transition_LP_B_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NB ];           /*  60 */
113 extern const opus_int32  silk_Transition_LP_A_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NA ];           /*  60 */
114 
115 /* Rom table with cosine values */
116 extern const opus_int16  silk_LSFCosTab_FIX_Q12[ LSF_COS_TAB_SZ_FIX + 1 ];                          /* 258 */
117 
118 #ifdef __cplusplus
119 }
120 #endif
121 
122 #endif
123