frameworks/base/media/libstagefright/codecs/aacdec/e_tmp4audioobjecttype.h

   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