1 /* Copyright (C) 2010-2020 The RetroArch team
3 * ---------------------------------------------------------------------------------------
4 * The following license statement only applies to this file (chd_stream.h).
5 * ---------------------------------------------------------------------------------------
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:
13 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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.
23 #ifndef _LIBRETRO_SDK_FILE_CHD_STREAM_H
24 #define _LIBRETRO_SDK_FILE_CHD_STREAM_H
29 #include <retro_common_api.h>
33 typedef struct chdstream chdstream_t;
35 /* First data track */
36 #define CHDSTREAM_TRACK_FIRST_DATA (-1)
38 #define CHDSTREAM_TRACK_LAST (-2)
39 /* Primary (largest) data track, used for CRC identification purposes */
40 #define CHDSTREAM_TRACK_PRIMARY (-3)
42 chdstream_t *chdstream_open(const char *path, int32_t track);
44 void chdstream_close(chdstream_t *stream);
46 ssize_t chdstream_read(chdstream_t *stream, void *data, size_t bytes);
48 int chdstream_getc(chdstream_t *stream);
50 char *chdstream_gets(chdstream_t *stream, char *buffer, size_t len);
52 uint64_t chdstream_tell(chdstream_t *stream);
54 void chdstream_rewind(chdstream_t *stream);
56 int64_t chdstream_seek(chdstream_t *stream, int64_t offset, int whence);
58 ssize_t chdstream_get_size(chdstream_t *stream);
60 uint32_t chdstream_get_track_start(chdstream_t* stream);
62 uint32_t chdstream_get_frame_size(chdstream_t* stream);
64 uint32_t chdstream_get_first_track_sector(chdstream_t* stream);