frameworks/base/media/libstagefright/codecs/aacdec/s_sbr_header_data.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  Filename: s_sbr_header_data.h
  21  Funtions:
  22
  23 ------------------------------------------------------------------------------
  24  REVISION HISTORY
  25
  26
  27  Who:                                   Date: MM/DD/YYYY
  28  Description:
  29 ------------------------------------------------------------------------------
  30
  31
  32 ----------------------------------------------------------------------------
  33 ; CONTINUE ONLY IF NOT ALREADY DEFINED
  34 ----------------------------------------------------------------------------*/
  35 #ifndef S_SBR_HEADER_DATA_H
  36 #define S_SBR_HEADER_DATA_H
  37
  38 /*----------------------------------------------------------------------------
  39 ; INCLUDES
  40 ----------------------------------------------------------------------------*/
  41 #include    "pv_audio_type_defs.h"
  42 #include    "e_sbr_header_status.h"
  43 #include    "e_sbr_master_status.h"
  44 #include    "e_sr_mode.h"
  45 /*----------------------------------------------------------------------------
  46 ; MACROS
  47 ; Define module specific macros here
  48 ----------------------------------------------------------------------------*/
  49
  50 /*----------------------------------------------------------------------------
  51 ; DEFINES
  52 ; Include all pre-processor statements here.
  53 ----------------------------------------------------------------------------*/
  54
  55 /*----------------------------------------------------------------------------
  56 ; EXTERNAL VARIABLES REFERENCES
  57 ; Declare variables used in this module but defined elsewhere
  58 ----------------------------------------------------------------------------*/
  59
  60 /*----------------------------------------------------------------------------
  61 ; SIMPLE TYPEDEF'S
  62 ----------------------------------------------------------------------------*/
  63
  64 /*----------------------------------------------------------------------------
  65 ; ENUMERATED TYPEDEF'S
  66 ----------------------------------------------------------------------------*/
  67
  68 /*----------------------------------------------------------------------------
  69 ; STRUCTURES TYPEDEF'S
  70 ----------------------------------------------------------------------------*/
  71 typedef struct
  72 {
  73     SBR_HEADER_STATUS status;      /* the current status of the header     */
  74     SBR_MASTER_STATUS masterStatus;/* status of v_k_master freq table      */
  75
  76     /* Changes in these variables indicates an error */
  77     Int32 crcEnable;
  78     SR_MODE sampleRateMode;
  79     Int32 ampResolution;
  80
  81     /* Changes in these variables causes a reset of the decoder */
  82     Int32 startFreq;
  83     Int32 stopFreq;
  84     Int32 xover_band;
  85     Int32 freqScale;
  86     Int32 alterScale;
  87     Int32 noise_bands;               /* noise bands per octave, read from bitstream */
  88
  89     /* Helper variable*/
  90     Int32 noNoiseBands;              /* actual number of noise bands to read from the bitstream */
  91
  92     Int32 limiterBands;
  93     Int32 limiterGains;
  94     Int32 interpolFreq;
  95     Int32 smoothingLength;
  96 }
  97 SBR_HEADER_DATA;
  98
  99 typedef SBR_HEADER_DATA *HANDLE_SBR_HEADER_DATA;
 100
 101 /*----------------------------------------------------------------------------
 102 ; GLOBAL FUNCTION DEFINITIONS
 103 ; Function Prototype declaration
 104 ----------------------------------------------------------------------------*/
 105
 106
 107 /*----------------------------------------------------------------------------
 108 ; END
 109 ----------------------------------------------------------------------------*/
 110 #endif
 111
 112