1250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber/* ------------------------------------------------------------------ 2250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber * Copyright (C) 1998-2009 PacketVideo 3250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber * 4250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber * you may not use this file except in compliance with the License. 6250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber * You may obtain a copy of the License at 7250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber * 8250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber * 10250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber * Unless required by applicable law or agreed to in writing, software 11250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber * express or implied. 14250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber * See the License for the specific language governing permissions 15250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber * and limitations under the License. 16250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber * ------------------------------------------------------------------- 17250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber */ 18250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber/* 19250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber------------------------------------------------------------------------------ 20250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 21250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber PacketVideo Corp. 22250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber MP3 Decoder Library 23250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 24250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber Filename: pvmp3_mpeg2_get_scale_data.cpp 25250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 26250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber Date: 09/21/2007 27250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 28250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber------------------------------------------------------------------------------ 29250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber REVISION HISTORY 30250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 31250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 32250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber Description: 33250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 34250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber------------------------------------------------------------------------------ 35250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber INPUT AND OUTPUT DEFINITIONS 36250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 37250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas HuberInput 38250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber mp3SideInfo *si, side information 39250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber int32 gr, granule 40250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber int32 ch, channel 41250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber mp3Header *info, mp3 header information 42250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber uint32 *scalefac_buffer, 43250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber uint32 *scalefac_IIP_buffer, 44250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber tbits *pMainData bit stream Data 45250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 46250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber Returns 47250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 48250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber uint32 *scalefac_buffer, acquired scale band data 49250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber uint32 *scalefac_IIP_buffer, auxiliary scale data 50250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 51250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 52250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber------------------------------------------------------------------------------ 53250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber FUNCTION DESCRIPTION 54250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 55250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber get scale data for mpeg2 layer III LSF extension 56250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 57250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber------------------------------------------------------------------------------ 58250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber REQUIREMENTS 59250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 60250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 61250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber------------------------------------------------------------------------------ 62250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber REFERENCES 63250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 64250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) 65250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension 66250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 67250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber------------------------------------------------------------------------------ 68250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber PSEUDO-CODE 69250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 70250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber------------------------------------------------------------------------------ 71250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber*/ 72250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 73250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 74250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber/*---------------------------------------------------------------------------- 75250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber; INCLUDES 76250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber----------------------------------------------------------------------------*/ 77250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 78250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber#include "pvmp3_mpeg2_get_scale_data.h" 79250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber#include "pvmp3_getbits.h" 80250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 81250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 82250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber/*---------------------------------------------------------------------------- 83250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber; MACROS 84250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber; Define module specific macros here 85250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber----------------------------------------------------------------------------*/ 86250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 87250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 88250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber/*---------------------------------------------------------------------------- 89250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber; DEFINES 90250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber; Include all pre-processor statements here. Include conditional 91250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber; compile variables also. 92250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber----------------------------------------------------------------------------*/ 93250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 94250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber/*---------------------------------------------------------------------------- 95250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber; LOCAL FUNCTION DEFINITIONS 96250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber; Function Prototype declaration 97250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber----------------------------------------------------------------------------*/ 98250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 99250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber/*---------------------------------------------------------------------------- 100250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber; LOCAL STORE/BUFFER/POINTER DEFINITIONS 101250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber; Variable declaration - defined here and used outside this module 102250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber----------------------------------------------------------------------------*/ 103250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 104250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huberconst uint32 nr_of_sfb_block[6][3][4] = 105250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber{ {{ 6, 5, 5, 5}, { 9, 9, 9, 9}, { 6, 9, 9, 9}}, 106250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber {{ 6, 5, 7, 3}, { 9, 9, 12, 6}, { 6, 9, 12, 6}}, 107250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber {{11, 10, 0, 0}, { 18, 18, 0, 0}, {15, 18, 0, 0}}, 108250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber {{ 7, 7, 7, 0}, { 12, 12, 12, 0}, { 6, 15, 12, 0}}, 109250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber {{ 6, 6, 6, 3}, { 12, 9, 9, 6}, { 6, 12, 9, 6}}, 110250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber {{ 8, 8, 5, 0}, { 15, 12, 9, 0}, { 6, 18, 9, 0}} 111250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber}; 112250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 113250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber/*---------------------------------------------------------------------------- 114250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber; EXTERNAL FUNCTION REFERENCES 115250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber; Declare functions defined elsewhere and referenced in this module 116250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber----------------------------------------------------------------------------*/ 117250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 118250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber/*---------------------------------------------------------------------------- 119250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES 120250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber; Declare variables used in this module but defined elsewhere 121250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber----------------------------------------------------------------------------*/ 122250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 123250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber/*---------------------------------------------------------------------------- 124250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber; FUNCTION CODE 125250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber----------------------------------------------------------------------------*/ 126250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 127250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Hubervoid pvmp3_mpeg2_get_scale_data(mp3SideInfo *si, 128250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber int32 gr, 129250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber int32 ch, 130250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber mp3Header *info, 131250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber uint32 *scalefac_buffer, 132250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber uint32 *scalefac_IIP_buffer, 133250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber tmp3Bits *pMainData) 134250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber{ 135250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber int16 i; 136250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber int16 j; 137250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber int16 k; 138250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber int16 blocktypenumber = 0; 139250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber int16 blocknumber = 0; 140250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 141250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber granuleInfo *gr_info = &(si->ch[ch].gran[gr]); 142250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber uint32 scalefac_comp, int_scalefac_comp, new_slen[4]; 143250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 144250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber scalefac_comp = gr_info->scalefac_compress; 145250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 146250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 147250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 148250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber if ((((info->mode_ext &1)) && (ch == 1))) 149250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber { 150250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber /* intensity_scale = scalefac_comp %2; */ 151250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber int_scalefac_comp = scalefac_comp >> 1; 152250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 153250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber if (int_scalefac_comp < 180) 154250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber { 155250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[0] = int_scalefac_comp / 36; 156250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[1] = (int_scalefac_comp % 36) / 6; 157250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[2] = int_scalefac_comp % 6; 158250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber blocknumber = 3; 159250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber } 160250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber else if (int_scalefac_comp < 244) 161250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber { 162250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber int_scalefac_comp -= 180; 163250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[0] = (int_scalefac_comp & 63) >> 4; 164250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[1] = (int_scalefac_comp & 15) >> 2; 165250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[2] = int_scalefac_comp & 3; 166250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber blocknumber = 4; 167250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber } 168250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber else if (int_scalefac_comp <= 255) 169250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber { 170250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber int_scalefac_comp -= 244; 171250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[0] = (int_scalefac_comp) / 3; 172250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[1] = (int_scalefac_comp) % 3; 173250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[2] = 0; 174250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber blocknumber = 5; 175250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber } 176250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[3] = 0; 177250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber si->ch[ch].gran[gr].preflag = 0; 178250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber } 179250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber else 180250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber { 181250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber if (scalefac_comp < 400) 182250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber { 183250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[0] = (scalefac_comp >> 4) / 5; 184250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[1] = (scalefac_comp >> 4) % 5; 185250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[2] = (scalefac_comp & 15) >> 2 ; 186250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[3] = (scalefac_comp & 3); 187250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber si->ch[ch].gran[gr].preflag = 0; 188250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 189250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber blocknumber = 0; 190250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber } 191250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber else if (scalefac_comp < 500) 192250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber { 193250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber scalefac_comp -= 400; 194250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[0] = (scalefac_comp >> 2) / 5; 195250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[1] = (scalefac_comp >> 2) % 5; 196250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[2] = scalefac_comp & 3; 197250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[3] = 0; 198250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber si->ch[ch].gran[gr].preflag = 0; 199250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber blocknumber = 1; 200250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber } 201250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber else if (scalefac_comp < 512) 202250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber { 203250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber scalefac_comp -= 500; 204250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[0] = scalefac_comp / 3; 205250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[1] = scalefac_comp % 3; 206250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[2] = 0 ; 207250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber new_slen[3] = 0; 208250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber si->ch[ch].gran[gr].preflag = 1; 209250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber blocknumber = 2; 210250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber } 211250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber } 212250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 213250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber if (gr_info->block_type == 2) 214250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber { 215250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber if (gr_info->mixed_block_flag) 216250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber { 217250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber blocktypenumber = 2; 218250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber } 219250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber else 220250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber { 221250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber blocktypenumber = 1; 222250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber } 223250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber } 224250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber 225250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber k = 0; 226250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber for (i = 0; i < 4; i++) 227250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber { 228250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber if (new_slen[i]) 229250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber { 230250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber for (j = 0; j < (int16)nr_of_sfb_block[blocknumber][blocktypenumber][i]; j++) 231250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber { 232250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber scalefac_buffer[k] = getNbits(pMainData, new_slen[i]); 233250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber scalefac_IIP_buffer[k] = (1L << new_slen[i]) - 1; 234250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber k++; 235250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber } 236250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber } 237250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber else 238250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber { 239250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber for (j = 0; j < (int16)nr_of_sfb_block[blocknumber][blocktypenumber][i]; j++) 240250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber { 241250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber scalefac_buffer[k] = 0; 242250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber scalefac_IIP_buffer[k] = 0; 243250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber k++; 244250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber } 245250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber } 246250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber } 247250f2433c6e1cf2727a79971fdc6ce0f8677037aAndreas Huber} 248