1d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber/* ------------------------------------------------------------------ 2d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber * Copyright (C) 1998-2009 PacketVideo 3d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber * 4d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber * you may not use this file except in compliance with the License. 6d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber * You may obtain a copy of the License at 7d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber * 8d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber * 10d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber * Unless required by applicable law or agreed to in writing, software 11d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber * express or implied. 14d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber * See the License for the specific language governing permissions 15d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber * and limitations under the License. 16d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber * ------------------------------------------------------------------- 17d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber */ 18d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber/* 19d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber------------------------------------------------------------------------------ 20d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 21d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber PacketVideo Corp. 22d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber MP3 Decoder Library 23d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 24d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber Filename: pvmp3_mpeg2_get_scale_data.cpp 25d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 26d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber Date: 09/21/2007 27d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 28d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber------------------------------------------------------------------------------ 29d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber REVISION HISTORY 30d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 31d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 32d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber Description: 33d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 34d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber------------------------------------------------------------------------------ 35d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber INPUT AND OUTPUT DEFINITIONS 36d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 37d9618f23226f46c752e56f712bc4b505117d8b4bAndreas HuberInput 38d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber mp3SideInfo *si, side information 39d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber int32 gr, granule 40d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber int32 ch, channel 41d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber mp3Header *info, mp3 header information 42d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber uint32 *scalefac_buffer, 43d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber uint32 *scalefac_IIP_buffer, 44d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber tbits *pMainData bit stream Data 45d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 46d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber Returns 47d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 48d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber uint32 *scalefac_buffer, acquired scale band data 49d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber uint32 *scalefac_IIP_buffer, auxiliary scale data 50d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 51d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 52d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber------------------------------------------------------------------------------ 53d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber FUNCTION DESCRIPTION 54d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 55d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber get scale data for mpeg2 layer III LSF extension 56d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 57d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber------------------------------------------------------------------------------ 58d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber REQUIREMENTS 59d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 60d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 61d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber------------------------------------------------------------------------------ 62d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber REFERENCES 63d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 64d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) 65d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension 66d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 67d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber------------------------------------------------------------------------------ 68d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber PSEUDO-CODE 69d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 70d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber------------------------------------------------------------------------------ 71d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber*/ 72d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 73d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 74d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber/*---------------------------------------------------------------------------- 75d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber; INCLUDES 76d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber----------------------------------------------------------------------------*/ 77d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 78d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber#include "pvmp3_mpeg2_get_scale_data.h" 79d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber#include "pvmp3_getbits.h" 80d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 81d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 82d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber/*---------------------------------------------------------------------------- 83d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber; MACROS 84d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber; Define module specific macros here 85d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber----------------------------------------------------------------------------*/ 86d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 87d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 88d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber/*---------------------------------------------------------------------------- 89d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber; DEFINES 90d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber; Include all pre-processor statements here. Include conditional 91d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber; compile variables also. 92d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber----------------------------------------------------------------------------*/ 93d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 94d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber/*---------------------------------------------------------------------------- 95d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber; LOCAL FUNCTION DEFINITIONS 96d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber; Function Prototype declaration 97d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber----------------------------------------------------------------------------*/ 98d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 99d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber/*---------------------------------------------------------------------------- 100d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber; LOCAL STORE/BUFFER/POINTER DEFINITIONS 101d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber; Variable declaration - defined here and used outside this module 102d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber----------------------------------------------------------------------------*/ 103d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 104d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huberconst uint32 nr_of_sfb_block[6][3][4] = 105d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber{ {{ 6, 5, 5, 5}, { 9, 9, 9, 9}, { 6, 9, 9, 9}}, 106d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber {{ 6, 5, 7, 3}, { 9, 9, 12, 6}, { 6, 9, 12, 6}}, 107d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber {{11, 10, 0, 0}, { 18, 18, 0, 0}, {15, 18, 0, 0}}, 108d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber {{ 7, 7, 7, 0}, { 12, 12, 12, 0}, { 6, 15, 12, 0}}, 109d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber {{ 6, 6, 6, 3}, { 12, 9, 9, 6}, { 6, 12, 9, 6}}, 110d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber {{ 8, 8, 5, 0}, { 15, 12, 9, 0}, { 6, 18, 9, 0}} 111d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber}; 112d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 113d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber/*---------------------------------------------------------------------------- 114d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber; EXTERNAL FUNCTION REFERENCES 115d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber; Declare functions defined elsewhere and referenced in this module 116d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber----------------------------------------------------------------------------*/ 117d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 118d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber/*---------------------------------------------------------------------------- 119d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES 120d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber; Declare variables used in this module but defined elsewhere 121d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber----------------------------------------------------------------------------*/ 122d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 123d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber/*---------------------------------------------------------------------------- 124d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber; FUNCTION CODE 125d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber----------------------------------------------------------------------------*/ 126d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 127d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Hubervoid pvmp3_mpeg2_get_scale_data(mp3SideInfo *si, 128d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber int32 gr, 129d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber int32 ch, 130d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber mp3Header *info, 131d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber uint32 *scalefac_buffer, 132d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber uint32 *scalefac_IIP_buffer, 133d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber tmp3Bits *pMainData) 134d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber{ 135d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber int16 i; 136d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber int16 j; 137d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber int16 k; 138d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber int16 blocktypenumber = 0; 139d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber int16 blocknumber = 0; 140d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 141d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber granuleInfo *gr_info = &(si->ch[ch].gran[gr]); 14284333e0475bc911adc16417f4ca327c975cf6c36Andreas Huber uint32 scalefac_comp, int_scalefac_comp, new_slen[4] = { 0,0,0,0 }; 143d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 144d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber scalefac_comp = gr_info->scalefac_compress; 145d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 146d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 147d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 148d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber if ((((info->mode_ext &1)) && (ch == 1))) 149d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber { 150d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber /* intensity_scale = scalefac_comp %2; */ 151d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber int_scalefac_comp = scalefac_comp >> 1; 152d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 153d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber if (int_scalefac_comp < 180) 154d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber { 155d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[0] = int_scalefac_comp / 36; 156d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[1] = (int_scalefac_comp % 36) / 6; 157d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[2] = int_scalefac_comp % 6; 158d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber blocknumber = 3; 159d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber } 160d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber else if (int_scalefac_comp < 244) 161d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber { 162d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber int_scalefac_comp -= 180; 163d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[0] = (int_scalefac_comp & 63) >> 4; 164d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[1] = (int_scalefac_comp & 15) >> 2; 165d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[2] = int_scalefac_comp & 3; 166d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber blocknumber = 4; 167d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber } 168d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber else if (int_scalefac_comp <= 255) 169d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber { 170d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber int_scalefac_comp -= 244; 171d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[0] = (int_scalefac_comp) / 3; 172d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[1] = (int_scalefac_comp) % 3; 173d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[2] = 0; 174d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber blocknumber = 5; 175d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber } 176d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[3] = 0; 177d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber si->ch[ch].gran[gr].preflag = 0; 178d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber } 179d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber else 180d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber { 181d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber if (scalefac_comp < 400) 182d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber { 183d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[0] = (scalefac_comp >> 4) / 5; 184d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[1] = (scalefac_comp >> 4) % 5; 185d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[2] = (scalefac_comp & 15) >> 2 ; 186d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[3] = (scalefac_comp & 3); 187d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber si->ch[ch].gran[gr].preflag = 0; 188d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 189d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber blocknumber = 0; 190d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber } 191d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber else if (scalefac_comp < 500) 192d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber { 193d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber scalefac_comp -= 400; 194d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[0] = (scalefac_comp >> 2) / 5; 195d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[1] = (scalefac_comp >> 2) % 5; 196d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[2] = scalefac_comp & 3; 197d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[3] = 0; 198d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber si->ch[ch].gran[gr].preflag = 0; 199d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber blocknumber = 1; 200d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber } 201d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber else if (scalefac_comp < 512) 202d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber { 203d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber scalefac_comp -= 500; 204d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[0] = scalefac_comp / 3; 205d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[1] = scalefac_comp % 3; 206d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[2] = 0 ; 207d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber new_slen[3] = 0; 208d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber si->ch[ch].gran[gr].preflag = 1; 209d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber blocknumber = 2; 210d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber } 211d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber } 212d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 213d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber if (gr_info->block_type == 2) 214d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber { 215d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber if (gr_info->mixed_block_flag) 216d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber { 217d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber blocktypenumber = 2; 218d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber } 219d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber else 220d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber { 221d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber blocktypenumber = 1; 222d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber } 223d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber } 224d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber 225d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber k = 0; 226d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber for (i = 0; i < 4; i++) 227d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber { 228d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber if (new_slen[i]) 229d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber { 230d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber for (j = 0; j < (int16)nr_of_sfb_block[blocknumber][blocktypenumber][i]; j++) 231d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber { 232d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber scalefac_buffer[k] = getNbits(pMainData, new_slen[i]); 233d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber scalefac_IIP_buffer[k] = (1L << new_slen[i]) - 1; 234d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber k++; 235d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber } 236d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber } 237d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber else 238d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber { 239d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber for (j = 0; j < (int16)nr_of_sfb_block[blocknumber][blocktypenumber][i]; j++) 240d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber { 241d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber scalefac_buffer[k] = 0; 242d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber scalefac_IIP_buffer[k] = 0; 243d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber k++; 244d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber } 245d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber } 246d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber } 247d9618f23226f46c752e56f712bc4b505117d8b4bAndreas Huber} 248