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3719602c PC |
1 | /* Copyright (C) 2010-2020 The RetroArch team |
2 | * | |
3 | * --------------------------------------------------------------------------------------- | |
4 | * The following license statement only applies to this file (chd_stream.h). | |
5 | * --------------------------------------------------------------------------------------- | |
6 | * | |
7 | * Permission is hereby granted, free of charge, | |
8 | * to any person obtaining a copy of this software and associated documentation files (the "Software"), | |
9 | * to deal in the Software without restriction, including without limitation the rights to | |
10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, | |
11 | * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, | |
16 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
19 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
21 | */ | |
22 | ||
23 | #ifndef _LIBRETRO_SDK_FILE_CHD_STREAM_H | |
24 | #define _LIBRETRO_SDK_FILE_CHD_STREAM_H | |
25 | ||
26 | #include <stdint.h> | |
27 | #include <stddef.h> | |
28 | ||
29 | #include <retro_common_api.h> | |
30 | ||
31 | RETRO_BEGIN_DECLS | |
32 | ||
33 | typedef struct chdstream chdstream_t; | |
34 | ||
35 | /* First data track */ | |
36 | #define CHDSTREAM_TRACK_FIRST_DATA (-1) | |
37 | /* Last track */ | |
38 | #define CHDSTREAM_TRACK_LAST (-2) | |
39 | /* Primary (largest) data track, used for CRC identification purposes */ | |
40 | #define CHDSTREAM_TRACK_PRIMARY (-3) | |
41 | ||
42 | chdstream_t *chdstream_open(const char *path, int32_t track); | |
43 | ||
44 | void chdstream_close(chdstream_t *stream); | |
45 | ||
46 | ssize_t chdstream_read(chdstream_t *stream, void *data, size_t bytes); | |
47 | ||
48 | int chdstream_getc(chdstream_t *stream); | |
49 | ||
50 | char *chdstream_gets(chdstream_t *stream, char *buffer, size_t len); | |
51 | ||
52 | uint64_t chdstream_tell(chdstream_t *stream); | |
53 | ||
54 | void chdstream_rewind(chdstream_t *stream); | |
55 | ||
56 | int64_t chdstream_seek(chdstream_t *stream, int64_t offset, int whence); | |
57 | ||
58 | ssize_t chdstream_get_size(chdstream_t *stream); | |
59 | ||
60 | uint32_t chdstream_get_track_start(chdstream_t* stream); | |
61 | ||
62 | uint32_t chdstream_get_frame_size(chdstream_t* stream); | |
63 | ||
64 | uint32_t chdstream_get_first_track_sector(chdstream_t* stream); | |
65 | ||
66 | RETRO_END_DECLS | |
67 | ||
68 | #endif |