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 Filename: sbr_get_additional_data.c 21 22------------------------------------------------------------------------------ 23 REVISION HISTORY 24 25 26 Who: Date: MM/DD/YYYY 27 Description: 28 29------------------------------------------------------------------------------ 30 INPUT AND OUTPUT DEFINITIONS 31 32 33 34------------------------------------------------------------------------------ 35 FUNCTION DESCRIPTION 36 37 38------------------------------------------------------------------------------ 39 REQUIREMENTS 40 41 42------------------------------------------------------------------------------ 43 REFERENCES 44 45SC 29 Software Copyright Licencing Disclaimer: 46 47This software module was originally developed by 48 Coding Technologies 49 50and edited by 51 - 52 53in the course of development of the ISO/IEC 13818-7 and ISO/IEC 14496-3 54standards for reference purposes and its performance may not have been 55optimized. This software module is an implementation of one or more tools as 56specified by the ISO/IEC 13818-7 and ISO/IEC 14496-3 standards. 57ISO/IEC gives users free license to this software module or modifications 58thereof for use in products claiming conformance to audiovisual and 59image-coding related ITU Recommendations and/or ISO/IEC International 60Standards. ISO/IEC gives users the same free license to this software module or 61modifications thereof for research purposes and further ISO/IEC standardisation. 62Those intending to use this software module in products are advised that its 63use may infringe existing patents. ISO/IEC have no liability for use of this 64software module or modifications thereof. Copyright is not released for 65products that do not conform to audiovisual and image-coding related ITU 66Recommendations and/or ISO/IEC International Standards. 67The original developer retains full right to modify and use the code for its 68own purpose, assign or donate the code to a third party and to inhibit third 69parties from using the code for products that do not conform to audiovisual and 70image-coding related ITU Recommendations and/or ISO/IEC International Standards. 71This copyright notice must be included in all copies or derivative works. 72Copyright (c) ISO/IEC 2002. 73 74------------------------------------------------------------------------------ 75 PSEUDO-CODE 76 77------------------------------------------------------------------------------ 78*/ 79 80 81/*---------------------------------------------------------------------------- 82; INCLUDES 83----------------------------------------------------------------------------*/ 84 85#ifdef AAC_PLUS 86 87 88#include "sbr_get_additional_data.h" 89#include "buf_getbits.h" 90 91/*---------------------------------------------------------------------------- 92; MACROS 93; Define module specific macros here 94----------------------------------------------------------------------------*/ 95 96 97/*---------------------------------------------------------------------------- 98; DEFINES 99; Include all pre-processor statements here. Include conditional 100; compile variables also. 101----------------------------------------------------------------------------*/ 102 103/*---------------------------------------------------------------------------- 104; LOCAL FUNCTION DEFINITIONS 105; Function Prototype declaration 106----------------------------------------------------------------------------*/ 107 108/*---------------------------------------------------------------------------- 109; LOCAL STORE/BUFFER/POINTER DEFINITIONS 110; Variable declaration - defined here and used outside this module 111----------------------------------------------------------------------------*/ 112 113/*---------------------------------------------------------------------------- 114; EXTERNAL FUNCTION REFERENCES 115; Declare functions defined elsewhere and referenced in this module 116----------------------------------------------------------------------------*/ 117 118/*---------------------------------------------------------------------------- 119; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES 120; Declare variables used in this module but defined elsewhere 121----------------------------------------------------------------------------*/ 122 123/*---------------------------------------------------------------------------- 124; FUNCTION CODE 125----------------------------------------------------------------------------*/ 126 127void sbr_get_additional_data(SBR_FRAME_DATA * hFrameData, 128 BIT_BUFFER * hBitBuf) 129{ 130 Int32 i; 131 132 Int32 flag = buf_getbits(hBitBuf, 1); 133 134 if (flag) 135 { 136 for (i = 0; i < hFrameData->nSfb[HI]; i++) 137 { 138 hFrameData->addHarmonics[i] = buf_getbits(hBitBuf, 1); 139 } 140 } 141} 142 143#endif 144 145 146