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