| /****************************************************************************** |
| * * |
| * 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 |