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; INCLUDES 21----------------------------------------------------------------------------*/ 22 23#include "mp4dec_api.h" 24#include "mp4def.h" 25#include "scaling.h" 26/*---------------------------------------------------------------------------- 27; MACROS 28; Define module specific macros here 29----------------------------------------------------------------------------*/ 30 31 32/*---------------------------------------------------------------------------- 33; DEFINES 34; Include all pre-processor statements here. Include conditional 35; compile variables also. 36----------------------------------------------------------------------------*/ 37 38/*---------------------------------------------------------------------------- 39; LOCAL FUNCTION DEFINITIONS 40; Function Prototype declaration 41----------------------------------------------------------------------------*/ 42 43 44/*---------------------------------------------------------------------------- 45; LOCAL STORE/BUFFER/POINTER DEFINITIONS 46; Variable declaration - defined here and used outside this module 47----------------------------------------------------------------------------*/ 48 49/* this scaling can be used for dividing values up to 3292 07/10/01 */ 50const int32 scale[63] = {0, 262145, 131073, 87382, 65537, 52430, 43692, 37450, 32769, 29128, 51 26215, 23832, 21846, 20166, 18726, 17477, 16385, 15421, 14565, 13798, 52 13108, 12484, 11917, 11399, 10924, 10487, 10083, 9710, 9363, 9040, 53 8739, 8457, 8193, 7945, 7711, 7491, 7283, 7086, 6900, 6723, 6555, 6395, 54 6243, 6097, 5959, 5826, 5700, 5579, 5462, 5351, 5244, 5141, 5042, 4947, 4856, 55 4767, 4682, 4600, 4521, 4444, 4370, 4298, 4229 56 }; 57/*---------------------------------------------------------------------------- 58; EXTERNAL FUNCTION REFERENCES 59; Declare functions defined elsewhere and referenced in this module 60----------------------------------------------------------------------------*/ 61 62 63/*---------------------------------------------------------------------------- 64; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES 65; Declare variables used in this module but defined elsewhere 66----------------------------------------------------------------------------*/ 67 68 69/*---------------------------------------------------------------------------- 70; FUNCTION CODE 71----------------------------------------------------------------------------*/ 72 73 74/*---------------------------------------------------------------------------- 75; Define all local variables 76----------------------------------------------------------------------------*/ 77 78 79/*---------------------------------------------------------------------------- 80; Function body here 81----------------------------------------------------------------------------*/ 82 83 84/*---------------------------------------------------------------------------- 85; Return nothing or data or data pointer 86----------------------------------------------------------------------------*/ 87 88 89