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: ./include/e_tMP4AudioObjectType.h 21 22 This file contains enumerated types for MP4 Audio Object Types, as defined 23 in ISO/IEC 14496-3, AMMENDMENT 1 Dated 2000-09-15 24 25 ------------------------------------------------------------------------------ 26 */ 27 28 /*---------------------------------------------------------------------------- 29 ; CONTINUE ONLY IF NOT ALREADY DEFINED 30 ----------------------------------------------------------------------------*/ 31 #ifndef E_TMP4AUDIOOBJECTTYPE_H 32 #define E_TMP4AUDIOOBJECTTYPE_H 33 34 #ifdef __cplusplus 35 extern "C" 36 { 37 #endif 38 39 /*---------------------------------------------------------------------------- 40 ; INCLUDES 41 ----------------------------------------------------------------------------*/ 42 43 /*---------------------------------------------------------------------------- 44 ; MACROS 45 ; Define module specific macros here 46 ----------------------------------------------------------------------------*/ 47 48 /*---------------------------------------------------------------------------- 49 ; DEFINES 50 ; Include all pre-processor statements here. 51 ----------------------------------------------------------------------------*/ 52 53 /*---------------------------------------------------------------------------- 54 ; EXTERNAL VARIABLES REFERENCES 55 ; Declare variables used in this module but defined elsewhere 56 ----------------------------------------------------------------------------*/ 57 58 /*---------------------------------------------------------------------------- 59 ; SIMPLE TYPEDEF'S 60 ----------------------------------------------------------------------------*/ 61 62 /*---------------------------------------------------------------------------- 63 ; ENUMERATED TYPEDEF'S 64 ----------------------------------------------------------------------------*/ 65 66 typedef enum eMP4AudioObjectType 67 { 68 MP4AUDIO_NULL = 0, /* */ 69 MP4AUDIO_AAC_MAIN = 1, /* */ 70 MP4AUDIO_AAC_LC = 2, /* LC = Low Complexity */ 71 MP4AUDIO_AAC_SSR = 3, /* SSR = Scalable Sampling Rate */ 72 MP4AUDIO_LTP = 4, /* LTP = Long Term Prediction */ 73 MP4AUDIO_SBR = 5, /* SBR = Spectral Band Replication */ 74 MP4AUDIO_AAC_SCALABLE = 6, /* scales both bitrate and sampling rate */ 75 MP4AUDIO_TWINVQ = 7, /* low bit rate */ 76 MP4AUDIO_CELP = 8, 77 MP4AUDIO_HVXC = 9, 78 /* 10 is reserved */ 79 /* 11 is reserved */ 80 MP4AUDIO_TTSI = 12, 81 /* 13-16 are synthesis and MIDI types */ 82 MP4AUDIO_ER_AAC_LC = 17, /* */ 83 /* 18 is reserved */ 84 MP4AUDIO_ER_AAC_LTP = 19, /* */ 85 MP4AUDIO_ER_AAC_SCALABLE = 20, /* */ 86 MP4AUDIO_ER_TWINVQ = 21, /* */ 87 MP4AUDIO_ER_BSAC = 22, /* */ 88 MP4AUDIO_ER_AAC_LD = 23, /* */ 89 MP4AUDIO_ER_CELP = 24, /* */ 90 MP4AUDIO_ER_HVXC = 25, /* */ 91 MP4AUDIO_ER_HILN = 26, /* */ 92 MP4AUDIO_PARAMETRIC = 27, /* */ 93 MP4AUDIO_PS = 29 /* Explicit Parametric Stereo */ 94 95 } tMP4AudioObjectType; 96 97 /*---------------------------------------------------------------------------- 98 ; STRUCTURES TYPEDEF'S 99 ----------------------------------------------------------------------------*/ 100 101 /*---------------------------------------------------------------------------- 102 ; GLOBAL FUNCTION DEFINITIONS 103 ; Function Prototype declaration 104 ----------------------------------------------------------------------------*/ 105 106 /* Should not be any function declarations in this file */ 107 108 /*---------------------------------------------------------------------------- 109 ; END 110 ----------------------------------------------------------------------------*/ 111 112 #ifdef __cplusplus 113 } 114 #endif 115 116 #endif /* E_TMP4AUDIOOBJECTTYPE_H */ 117 118 119
