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 PacketVideo Corp. 21 MP3 Decoder Library 22 23 Filename: pvmp3_crc.h 24 25 Date: 09/21/2007 26 27------------------------------------------------------------------------------ 28 REVISION HISTORY 29 30 Description: 31 32------------------------------------------------------------------------------ 33 INCLUDE DESCRIPTION 34 35 36------------------------------------------------------------------------------ 37*/ 38 39/*---------------------------------------------------------------------------- 40; CONTINUE ONLY IF NOT ALREADY DEFINED 41----------------------------------------------------------------------------*/ 42#ifndef PVMP3_CRC_H 43#define PVMP3_CRC_H 44 45/*---------------------------------------------------------------------------- 46; INCLUDES 47----------------------------------------------------------------------------*/ 48#include "pvmp3_audio_type_defs.h" 49#include "s_mp3bits.h" 50#include "pvmp3decoder_api.h" 51 52/*---------------------------------------------------------------------------- 53; MACROS 54; Define module specific macros here 55----------------------------------------------------------------------------*/ 56 57/*---------------------------------------------------------------------------- 58; DEFINES 59; Include all pre-processor statements here. 60----------------------------------------------------------------------------*/ 61#define CRC16_POLYNOMIAL 0x8005 62 63/*---------------------------------------------------------------------------- 64; EXTERNAL VARIABLES REFERENCES 65; Declare variables used in this module but defined elsewhere 66----------------------------------------------------------------------------*/ 67 68/*---------------------------------------------------------------------------- 69; SIMPLE TYPEDEF'S 70----------------------------------------------------------------------------*/ 71 72/*---------------------------------------------------------------------------- 73; ENUMERATED TYPEDEF'S 74----------------------------------------------------------------------------*/ 75 76/*---------------------------------------------------------------------------- 77; STRUCTURES TYPEDEF'S 78----------------------------------------------------------------------------*/ 79#ifdef __cplusplus 80extern "C" 81{ 82#endif 83 84 uint32 getbits_crc(tmp3Bits *inputStream, 85 int32 neededBits, 86 uint32 *crc, 87 uint32 crc_enabled); 88 89 90 void calculate_crc(uint32 data, 91 uint32 length, 92 uint32 *crc); 93 94#ifdef __cplusplus 95} 96#endif 97 98/*---------------------------------------------------------------------------- 99; GLOBAL FUNCTION DEFINITIONS 100; Function Prototype declaration 101----------------------------------------------------------------------------*/ 102 103/*---------------------------------------------------------------------------- 104; END 105----------------------------------------------------------------------------*/ 106 107#endif 108 109 110 111