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/******************************************************************************
* *
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*****************************************************************************
* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
*/
#ifndef __fileifc_h__
#define __fileifc_h__
#ifndef INCLUDE_MP4_PARSER
//#define INCLUDE_MP4_PARSER
#endif
#ifdef INCLUDE_MP4_PARSER
/* Context structure for media frame*/
typedef struct {
unsigned char *frame;
unsigned int frameLength;
unsigned int presentationTime;
} ItMp4FrameCtxt;
/* Context structure for media header*/
typedef struct {
unsigned char *header;
unsigned int headerLength;
} ItMp4HeaderCtxt;
#endif
typedef struct FileWrapper {
#ifdef INCLUDE_MP4_PARSER
void *mp4Ctxt;
void *fileCtxt;
void *interim_buffer;
int avail_buffer;
ItMp4HeaderCtxt headerCtxt;
ItMp4FrameCtxt frameCtxt;
int header_given;
#endif
/* MPEG_2_PROFILE profile; */
unsigned int isMp4File;
FILE *inputFile;
} FileWrapper, *FileWrapperPtr;
FileWrapperPtr FileWrapper_Open(char fileName[]);
int FileWrapper_Read(FileWrapperPtr transport, unsigned char *buffer,
int bufSize, unsigned int *len);
unsigned int FileWrapper_Close(FileWrapperPtr transport);
unsigned int FileWrapper_IsMp4File(FileWrapperPtr transport);
/* MP4 function declarations */
/*File Initialization, File Header Parsing*/
void *it_mp4_parser_init(void *mp4Ctxt, void *mallocAddr);
/*Extracts audio header from file*/
int it_mp4_get_audio_header(void *mp4Ctxt, void *audioheader);
/*Extracts an audio frame from the file */
int it_mp4_get_audio(void *mp4Ctxt, void *frameCtxt);
/*Frees allocated memory*/
int it_mp4_parser_close(void *mp4);
void *it_fopen(unsigned char *file_name, unsigned char withFile, int size);
int it_fclose(void *itf);
#endif