1 //  Copyright (c) 2014 Thomas Goyne <tgoyne@gmail.com>
2 //
3 //  Permission is hereby granted, free of charge, to any person obtaining a copy
4 //  of this software and associated documentation files (the "Software"), to deal
5 //  in the Software without restriction, including without limitation the rights
6 //  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 //  copies of the Software, and to permit persons to whom the Software is
8 //  furnished to do so, subject to the following conditions:
9 //
10 //  The above copyright notice and this permission notice shall be included in
11 //  all copies or substantial portions of the Software.
12 //
13 //  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 //  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 //  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 //  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 //  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19 //  THE SOFTWARE.
20 
21 #pragma once
22 
23 #include <cstdint>
24 #include <string>
25 
26 struct AVIOContext;
27 
28 class FileHandle {
29     AVIOContext *avio;
30     std::string filename;
31     int error_source;
32     int error_cause;
33 
34 public:
35     FileHandle(const char *filename, const char *mode, int error_source, int error_cause);
FileHandle()36     FileHandle() : avio(nullptr) {}
37     ~FileHandle();
38 
39     void Seek(int64_t offset, int origin);
40     int64_t Tell();
41     int64_t Size();
42 
43     size_t Read(char *buffer, size_t size);
44     size_t Write(const char *buffer, size_t size);
45     int Printf(const char *fmt, ...)
46 #ifdef __GNUC__
47     __attribute__((format(printf, 2, 3)))
48 #endif
49         ;
50 };
51