1 /* ------------------------------------------------------------------ 2 * Copyright (C) 1998-2009 PacketVideo 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13 * express or implied. 14 * See the License for the specific language governing permissions 15 * and limitations under the License. 16 * ------------------------------------------------------------------- 17 */ 18 /* 19 20 Pathname: .huffman.h 21 22 ------------------------------------------------------------------------------ 23 REVISION HISTORY 24 25 Description: Put declaration of getfill in this file. 26 27 Description: Remove prstflag from get_ics_info declaration. 28 29 Description: Trivial change of the data type of one of the parameters to 30 get_ics_info. 31 32 Description: Change where get_ics_info is declared. 33 34 Description: Clean up comments 35 36 Description: (1) Add declaration of binary tree search function for Huffman 37 decoding 38 (2) #if the traditional and optimized linear seach methods. 39 40 Description: Modified per review comments 41 (1) delete #if traditional and optimized linear seach methods 42 43 Description: Merged Ken's change on getics: delete pFrameInfo from argument 44 list 45 46 Description: Added function definition for table specific huffman decoding 47 functions. 48 49 Who: Date: 50 Description: 51 52 ------------------------------------------------------------------------------ 53 INCLUDE DESCRIPTION 54 55 include function prototype definitions for Huffman decoding module 56 57 ------------------------------------------------------------------------------ 58 */ 59 60 /*---------------------------------------------------------------------------- 61 ; CONTINUE ONLY IF NOT ALREADY DEFINED 62 ----------------------------------------------------------------------------*/ 63 #ifndef HUFFMAN_H 64 #define HUFFMAN_H 65 66 #ifdef __cplusplus 67 extern "C" 68 { 69 #endif 70 71 /*---------------------------------------------------------------------------- 72 ; INCLUDES 73 ----------------------------------------------------------------------------*/ 74 #include "pv_audio_type_defs.h" 75 #include "s_frameinfo.h" 76 #include "s_sectinfo.h" 77 #include "s_pulseinfo.h" 78 #include "s_tdec_int_file.h" 79 #include "s_tdec_int_chan.h" 80 #include "ibstream.h" 81 82 #include "s_hcb.h" 83 #include "hcbtables.h" 84 85 #include "get_pulse_data.h" 86 #include "get_ics_info.h" 87 88 /*---------------------------------------------------------------------------- 89 ; MACROS 90 ; Define module specific macros here 91 ----------------------------------------------------------------------------*/ 92 93 /*---------------------------------------------------------------------------- 94 ; DEFINES 95 ; Include all pre-processor statements here. 96 ----------------------------------------------------------------------------*/ 97 #define DIMENSION_4 4 98 #define DIMENSION_2 2 99 100 /*---------------------------------------------------------------------------- 101 ; EXTERNAL VARIABLES REFERENCES 102 ; Declare variables used in this module but defined elsewhere 103 ----------------------------------------------------------------------------*/ 104 105 /*---------------------------------------------------------------------------- 106 ; SIMPLE TYPEDEF'S 107 ----------------------------------------------------------------------------*/ 108 109 /*---------------------------------------------------------------------------- 110 ; ENUMERATED TYPEDEF'S 111 ----------------------------------------------------------------------------*/ 112 113 /*---------------------------------------------------------------------------- 114 ; STRUCTURES TYPEDEF'S 115 ----------------------------------------------------------------------------*/ 116 117 /*---------------------------------------------------------------------------- 118 ; GLOBAL FUNCTION DEFINITIONS 119 ; Function Prototype declaration 120 ----------------------------------------------------------------------------*/ 121 Int decode_huff_cw_tab1( 122 BITS *pInputStream); 123 124 Int decode_huff_cw_tab2( 125 BITS *pInputStream); 126 127 Int decode_huff_cw_tab3( 128 BITS *pInputStream); 129 130 Int decode_huff_cw_tab4( 131 BITS *pInputStream); 132 133 Int decode_huff_cw_tab5( 134 BITS *pInputStream); 135 136 Int decode_huff_cw_tab6( 137 BITS *pInputStream); 138 139 Int decode_huff_cw_tab7( 140 BITS *pInputStream); 141 142 Int decode_huff_cw_tab8( 143 BITS *pInputStream); 144 145 Int decode_huff_cw_tab9( 146 BITS *pInputStream); 147 148 Int decode_huff_cw_tab10( 149 BITS *pInputStream); 150 151 Int decode_huff_cw_tab11( 152 BITS *pInputStream); 153 154 Int decode_huff_scl( 155 BITS *pInputStream); 156 157 Int infoinit( 158 const Int sampling_rate_idx, 159 FrameInfo **ppWin_seq_info, 160 Int *pSfbwidth128); 161 162 Int huffcb( 163 SectInfo *pSect, 164 BITS *pInputStream, 165 Int *pSectbits, 166 Int tot_sfb, 167 Int sfb_per_sbk, 168 Int max_sfb); 169 170 Int hufffac( 171 FrameInfo *pFrameInfo, 172 BITS *pInputStream, 173 Int *pGroup, 174 Int nsect, 175 SectInfo *pSect, 176 Int global_gain, 177 Int *pFactors, 178 Int huffBookUsed[]); 179 180 Int huffspec_fxp( 181 FrameInfo *pFrameInfo, 182 BITS *pInputStream, 183 Int nsect, 184 SectInfo *pSectInfo, 185 Int factors[], 186 Int32 coef[], 187 Int16 quantSpec[], 188 Int16 tmp_spec[], 189 const FrameInfo *pLongFrameInfo, 190 PulseInfo *pPulseInfo, 191 Int qFormat[]); 192 193 Int huffdecode( 194 Int id_syn_ele, 195 BITS *pInputStream, 196 tDec_Int_File *pVars, 197 tDec_Int_Chan *pChVars[]); 198 199 void deinterleave( 200 Int16 interleaved[], 201 Int16 deinterleaved[], 202 FrameInfo *pFrameInfo); 203 204 Int getics( 205 206 BITS *pInputStream, 207 Int common_window, 208 tDec_Int_File *pVars, 209 tDec_Int_Chan *pChVars, 210 Int group[], 211 Int *pMax_sfb, 212 Int *pCodebookMap, 213 TNS_frame_info *pTnsInfo, 214 FrameInfo **pWinMap, 215 PulseInfo *pPulseInfo, 216 SectInfo sect[]); 217 218 void calc_gsfb_table( 219 FrameInfo *pFrameInfo, 220 Int group[]); 221 222 Int getmask( 223 FrameInfo *pFrameInfo, 224 BITS *pInputStream, 225 Int *pGroup, 226 Int max_sfb, 227 Int *pMask); 228 229 void getgroup( 230 Int group[], 231 BITS *pInputStream); 232 233 234 /*---------------------------------------------------------------------------- 235 ; END 236 ----------------------------------------------------------------------------*/ 237 #ifdef __cplusplus 238 } 239 #endif 240 241 #endif 242
