frameworks/base/media/libstagefright/codecs/aacdec/analysis_sub_band.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: ./c/include/analysis_sub_band.h
  21
  22 ------------------------------------------------------------------------------
  23  REVISION HISTORY
  24
  25  Who:                                       Date:
  26  Description:
  27 ------------------------------------------------------------------------------
  28  INCLUDE DESCRIPTION
  29
  30 ------------------------------------------------------------------------------
  31 */
  32
  33 #ifndef ANALYSIS_SUB_BAND_H
  34 #define ANALYSIS_SUB_BAND_H
  35
  36
  37 /*----------------------------------------------------------------------------
  38 ; INCLUDES
  39 ----------------------------------------------------------------------------*/
  40
  41 #include "pv_audio_type_defs.h"
  42
  43 /*----------------------------------------------------------------------------
  44 ; MACROS
  45 ; Define module specific macros here
  46 ----------------------------------------------------------------------------*/
  47 #ifdef __cplusplus
  48 extern "C"
  49 {
  50 #endif
  51
  52     /*----------------------------------------------------------------------------
  53     ; EXTERNAL VARIABLES REFERENCES
  54     ----------------------------------------------------------------------------*/
  55
  56     /*----------------------------------------------------------------------------
  57     ; DEFINES AND SIMPLE TYPEDEF'S
  58     ----------------------------------------------------------------------------*/
  59
  60
  61     void analysis_sub_band_LC(Int32 vec[64],
  62     Int32 cosine_total[],
  63     Int32 maxBand,
  64     Int32 scratch_mem[][64]);
  65
  66 #ifdef HQ_SBR
  67
  68
  69     void analysis_sub_band(Int32 vec[64],
  70                            Int32 cosine_total[],
  71                            Int32 sine_total[],
  72                            Int32 maxBand,
  73                            Int32 scratch_mem[][64]);
  74
  75 #endif
  76
  77
  78 #ifdef __cplusplus
  79 }
  80 #endif
  81
  82 #endif  /* ANALYSIS_SUB_BAND_H */