Eliminate some unreachable cases from the cwrs code and fixup the
[opus.git] / silk / silk_tables.h
index 85456ad..d412152 100644 (file)
-/***********************************************************************\r
-Copyright (c) 2006-2011, Skype Limited. All rights reserved. \r
-Redistribution and use in source and binary forms, with or without \r
-modification, (subject to the limitations in the disclaimer below) \r
-are permitted provided that the following conditions are met:\r
-- Redistributions of source code must retain the above copyright notice,\r
-this list of conditions and the following disclaimer.\r
-- Redistributions in binary form must reproduce the above copyright \r
-notice, this list of conditions and the following disclaimer in the \r
-documentation and/or other materials provided with the distribution.\r
-- Neither the name of Skype Limited, nor the names of specific \r
-contributors, may be used to endorse or promote products derived from \r
-this software without specific prior written permission.\r
-NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED \r
-BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND \r
-CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,\r
-BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND \r
-FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE \r
-COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, \r
-INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\r
-NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF \r
-USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON \r
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT \r
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE \r
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
-***********************************************************************/\r
-\r
-#ifndef SILK_TABLES_H\r
-#define SILK_TABLES_H\r
-\r
-#include "silk_define.h"\r
-#include "silk_structs.h"\r
-\r
-#ifdef __cplusplus\r
-extern "C"\r
-{\r
-#endif\r
-\r
-/* entropy coding tables */\r
-extern const SKP_uint8  silk_gain_iCDF[ 3 ][ N_LEVELS_QGAIN / 8 ];                               /* 24 */\r
-extern const SKP_uint8  silk_delta_gain_iCDF[ MAX_DELTA_GAIN_QUANT - MIN_DELTA_GAIN_QUANT + 1 ]; /* 41 */\r
-\r
-extern const SKP_uint8  silk_pitch_lag_iCDF[ 2 * ( PITCH_EST_MAX_LAG_MS - PITCH_EST_MIN_LAG_MS ) ];  /* 32 */\r
-extern const SKP_uint8  silk_pitch_delta_iCDF[ 21 ];                                            /*  21 */\r
-extern const SKP_uint8  silk_pitch_contour_iCDF[ 34 ];                                          /*  34 */\r
-extern const SKP_uint8  silk_pitch_contour_NB_iCDF[ 11 ];                                       /*  11 */\r
-extern const SKP_uint8  silk_pitch_contour_10_ms_iCDF[ 12 ];                                    /*  12 */\r
-extern const SKP_uint8  silk_pitch_contour_10_ms_NB_iCDF[ 3 ];                                  /*   3 */\r
-\r
-extern const SKP_uint8  silk_pulses_per_block_iCDF[ N_RATE_LEVELS ][ MAX_PULSES + 2 ];          /* 180 */\r
-extern const SKP_uint8  silk_pulses_per_block_BITS_Q5[ N_RATE_LEVELS - 1 ][ MAX_PULSES + 2 ];   /* 162 */\r
-\r
-extern const SKP_uint8  silk_rate_levels_iCDF[ 2 ][ N_RATE_LEVELS - 1 ];                        /*  18 */\r
-extern const SKP_uint8  silk_rate_levels_BITS_Q5[ 2 ][ N_RATE_LEVELS - 1 ];                     /*  18 */\r
-\r
-extern const SKP_uint8  silk_max_pulses_table[ 4 ];                                             /*   4 */\r
-\r
-extern const SKP_uint8  silk_shell_code_table0[  44 ];                                          /*  44 */\r
-extern const SKP_uint8  silk_shell_code_table1[  65 ];                                          /*  65 */\r
-extern const SKP_uint8  silk_shell_code_table2[  90 ];                                          /*  90 */\r
-extern const SKP_uint8  silk_shell_code_table3[ 152 ];                                          /* 152 */\r
-extern const SKP_uint8  silk_shell_code_table_offsets[ MAX_PULSES + 1 ];                        /*  17 */\r
-\r
-extern const SKP_uint8  silk_lsb_iCDF[ 2 ];                                                     /*   2 */\r
-\r
-extern const SKP_uint8  silk_sign_iCDF[ 36 ];                                                   /*  36 */\r
-\r
-extern const SKP_uint8  silk_uniform3_iCDF[ 3 ];                                                /*   3 */\r
-extern const SKP_uint8  silk_uniform4_iCDF[ 4 ];                                                /*   4 */\r
-extern const SKP_uint8  silk_uniform5_iCDF[ 5 ];                                                /*   5 */\r
-extern const SKP_uint8  silk_uniform6_iCDF[ 6 ];                                                /*   6 */\r
-extern const SKP_uint8  silk_uniform8_iCDF[ 8 ];                                                /*   8 */\r
-\r
-extern const SKP_uint8  silk_NLSF_EXT_iCDF[ 7 ];                                                /*   7 */\r
-\r
-extern const SKP_uint8  silk_LTP_per_index_iCDF[ 3 ];                                           /*   3 */\r
-extern const SKP_uint8  * const silk_LTP_gain_iCDF_ptrs[ NB_LTP_CBKS ];                         /*   3 */\r
-extern const SKP_uint8  * const silk_LTP_gain_BITS_Q5_ptrs[ NB_LTP_CBKS ];                      /*   3 */\r
-extern const SKP_int16  silk_LTP_gain_middle_avg_RD_Q14;\r
-extern const SKP_int8   * const silk_LTP_vq_ptrs_Q7[ NB_LTP_CBKS ];                             /* 168 */\r
-extern const SKP_int8   silk_LTP_vq_sizes[ NB_LTP_CBKS ];                                       /*   3 */\r
-\r
-extern const SKP_uint8  silk_LTPscale_iCDF[ 3 ];                                                /*   4 */\r
-extern const SKP_int16  silk_LTPScales_table_Q14[ 3 ];\r
-\r
-extern const SKP_uint8  silk_type_offset_VAD_iCDF[ 4 ];                                         /*   4 */\r
-extern const SKP_uint8  silk_type_offset_no_VAD_iCDF[ 2 ];                                      /*   2 */\r
-\r
-extern const SKP_int16  silk_stereo_pred_quant_Q13[ STEREO_QUANT_TAB_SIZE ];                    /*  32 */\r
-extern const SKP_uint8  silk_stereo_pred_joint_iCDF[ 25 ];                                      /*  25 */\r
-extern const SKP_uint8  silk_stereo_only_code_mid_iCDF[ 2 ];                                    /*   2 */\r
-\r
-extern const SKP_uint8 * const silk_LBRR_flags_iCDF_ptr[ 2 ];                                   /*  10 */\r
-\r
-extern const SKP_uint8  silk_NLSF_interpolation_factor_iCDF[ 5 ];                               /*   5 */\r
-\r
-extern const silk_NLSF_CB_struct silk_NLSF_CB_WB;\r
-extern const silk_NLSF_CB_struct silk_NLSF_CB_NB_MB;\r
-\r
-/* Piece-wise linear mapping from bitrate in kbps to coding quality in dB SNR */\r
-extern const SKP_int32  silk_TargetRate_table_NB[  TARGET_RATE_TAB_SZ ];\r
-extern const SKP_int32  silk_TargetRate_table_MB[  TARGET_RATE_TAB_SZ ];\r
-extern const SKP_int32  silk_TargetRate_table_WB[  TARGET_RATE_TAB_SZ ];\r
-extern const SKP_int16  silk_SNR_table_Q1[         TARGET_RATE_TAB_SZ ];\r
-\r
-/* Quantization offsets */\r
-extern const SKP_int16  silk_Quantization_Offsets_Q10[ 2 ][ 2 ];\r
-\r
-/* Interpolation points for filter coefficients used in the bandwidth transition smoother */\r
-extern const SKP_int32  silk_Transition_LP_B_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NB ];\r
-extern const SKP_int32  silk_Transition_LP_A_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NA ];\r
-\r
-/* Rom table with cosine values */\r
-extern const SKP_int16 silk_LSFCosTab_FIX_Q12[ LSF_COS_TAB_SZ_FIX + 1 ];\r
-\r
-#ifdef __cplusplus\r
-}\r
-#endif\r
-\r
-#endif\r
+/***********************************************************************
+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)
+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.
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+- Neither the name of Skype Limited, nor the names of specific
+contributors, may be used to endorse or promote products derived from
+this software without specific prior written permission.
+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
+CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+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,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+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
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+#ifndef SILK_TABLES_H
+#define SILK_TABLES_H
+
+#include "silk_define.h"
+#include "silk_structs.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/* entropy coding tables */
+extern const opus_uint8  silk_gain_iCDF[ 3 ][ N_LEVELS_QGAIN / 8 ];                               /* 24 */
+extern const opus_uint8  silk_delta_gain_iCDF[ MAX_DELTA_GAIN_QUANT - MIN_DELTA_GAIN_QUANT + 1 ]; /* 41 */
+
+extern const opus_uint8  silk_pitch_lag_iCDF[ 2 * ( PITCH_EST_MAX_LAG_MS - PITCH_EST_MIN_LAG_MS ) ];  /* 32 */
+extern const opus_uint8  silk_pitch_delta_iCDF[ 21 ];                                            /*  21 */
+extern const opus_uint8  silk_pitch_contour_iCDF[ 34 ];                                          /*  34 */
+extern const opus_uint8  silk_pitch_contour_NB_iCDF[ 11 ];                                       /*  11 */
+extern const opus_uint8  silk_pitch_contour_10_ms_iCDF[ 12 ];                                    /*  12 */
+extern const opus_uint8  silk_pitch_contour_10_ms_NB_iCDF[ 3 ];                                  /*   3 */
+
+extern const opus_uint8  silk_pulses_per_block_iCDF[ N_RATE_LEVELS ][ MAX_PULSES + 2 ];          /* 180 */
+extern const opus_uint8  silk_pulses_per_block_BITS_Q5[ N_RATE_LEVELS - 1 ][ MAX_PULSES + 2 ];   /* 162 */
+
+extern const opus_uint8  silk_rate_levels_iCDF[ 2 ][ N_RATE_LEVELS - 1 ];                        /*  18 */
+extern const opus_uint8  silk_rate_levels_BITS_Q5[ 2 ][ N_RATE_LEVELS - 1 ];                     /*  18 */
+
+extern const opus_uint8  silk_max_pulses_table[ 4 ];                                             /*   4 */
+
+extern const opus_uint8  silk_shell_code_table0[ 152 ];                                          /* 152 */
+extern const opus_uint8  silk_shell_code_table1[ 152 ];                                          /* 152 */
+extern const opus_uint8  silk_shell_code_table2[ 152 ];                                          /* 152 */
+extern const opus_uint8  silk_shell_code_table3[ 152 ];                                          /* 152 */
+extern const opus_uint8  silk_shell_code_table_offsets[ MAX_PULSES + 1 ];                        /*  17 */
+
+extern const opus_uint8  silk_lsb_iCDF[ 2 ];                                                     /*   2 */
+
+extern const opus_uint8  silk_sign_iCDF[ 36 ];                                                   /*  36 */
+
+extern const opus_uint8  silk_uniform3_iCDF[ 3 ];                                                /*   3 */
+extern const opus_uint8  silk_uniform4_iCDF[ 4 ];                                                /*   4 */
+extern const opus_uint8  silk_uniform5_iCDF[ 5 ];                                                /*   5 */
+extern const opus_uint8  silk_uniform6_iCDF[ 6 ];                                                /*   6 */
+extern const opus_uint8  silk_uniform8_iCDF[ 8 ];                                                /*   8 */
+
+extern const opus_uint8  silk_NLSF_EXT_iCDF[ 7 ];                                                /*   7 */
+
+extern const opus_uint8  silk_LTP_per_index_iCDF[ 3 ];                                           /*   3 */
+extern const opus_uint8  * const silk_LTP_gain_iCDF_ptrs[ NB_LTP_CBKS ];                         /*   3 */
+extern const opus_uint8  * const silk_LTP_gain_BITS_Q5_ptrs[ NB_LTP_CBKS ];                      /*   3 */
+extern const opus_int16  silk_LTP_gain_middle_avg_RD_Q14;
+extern const opus_int8   * const silk_LTP_vq_ptrs_Q7[ NB_LTP_CBKS ];                             /* 168 */
+extern const opus_int8   silk_LTP_vq_sizes[ NB_LTP_CBKS ];                                       /*   3 */
+
+extern const opus_uint8  silk_LTPscale_iCDF[ 3 ];                                                /*   4 */
+extern const opus_int16  silk_LTPScales_table_Q14[ 3 ];
+
+extern const opus_uint8  silk_type_offset_VAD_iCDF[ 4 ];                                         /*   4 */
+extern const opus_uint8  silk_type_offset_no_VAD_iCDF[ 2 ];                                      /*   2 */
+
+extern const opus_int16  silk_stereo_pred_quant_Q13[ STEREO_QUANT_TAB_SIZE ];                    /*  32 */
+extern const opus_uint8  silk_stereo_pred_joint_iCDF[ 25 ];                                      /*  25 */
+extern const opus_uint8  silk_stereo_only_code_mid_iCDF[ 2 ];                                    /*   2 */
+
+extern const opus_uint8  * const silk_LBRR_flags_iCDF_ptr[ 2 ];                                   /*  10 */
+
+extern const opus_uint8  silk_NLSF_interpolation_factor_iCDF[ 5 ];                               /*   5 */
+
+extern const silk_NLSF_CB_struct silk_NLSF_CB_WB;
+extern const silk_NLSF_CB_struct silk_NLSF_CB_NB_MB;
+
+/* Piece-wise linear mapping from bitrate in kbps to coding quality in dB SNR */
+extern const opus_int32  silk_TargetRate_table_NB[  TARGET_RATE_TAB_SZ ];
+extern const opus_int32  silk_TargetRate_table_MB[  TARGET_RATE_TAB_SZ ];
+extern const opus_int32  silk_TargetRate_table_WB[  TARGET_RATE_TAB_SZ ];
+extern const opus_int16  silk_SNR_table_Q1[         TARGET_RATE_TAB_SZ ];
+
+/* Quantization offsets */
+extern const opus_int16  silk_Quantization_Offsets_Q10[ 2 ][ 2 ];
+
+/* Interpolation points for filter coefficients used in the bandwidth transition smoother */
+extern const opus_int32  silk_Transition_LP_B_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NB ];
+extern const opus_int32  silk_Transition_LP_A_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NA ];
+
+/* Rom table with cosine values */
+extern const opus_int16 silk_LSFCosTab_FIX_Q12[ LSF_COS_TAB_SZ_FIX + 1 ];
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif