Home | History | Annotate | Download | only in aacdec
      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/dct64.h
     21 
     22 ------------------------------------------------------------------------------
     23  REVISION HISTORY
     24 
     25  Who:                                       Date:
     26  Description:
     27 ------------------------------------------------------------------------------
     28  INCLUDE DESCRIPTION
     29 
     30 ------------------------------------------------------------------------------
     31 */
     32 
     33 #ifndef DCT64_H
     34 #define DCT64_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     extern const Int32 CosTable_48[48];
     56 
     57     /*----------------------------------------------------------------------------
     58     ; DEFINES AND SIMPLE TYPEDEF'S
     59     ----------------------------------------------------------------------------*/
     60 
     61     void pv_split_LC(Int32 *vector,
     62                      Int32 *temp_o);
     63 
     64 
     65 #ifdef HQ_SBR
     66 
     67     void dct_64(Int32 vec[], Int32 *scratch_mem);
     68 
     69 #endif
     70 
     71     void pv_split(Int32 *temp_o);
     72 
     73     void pv_split_z(Int32 *vector);
     74 
     75     void pv_merge_in_place_N32(Int32 vec[]);
     76 
     77 #ifdef __cplusplus
     78 }
     79 #endif
     80 
     81 #endif  /* DCT64_H */
     82