1 /* Copyright (C) 2010-2020 The RetroArch team 2 * 3 * --------------------------------------------------------------------------------------- 4 * The following license statement only applies to this file (cdrom.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_CDROM_H 24 #define __LIBRETRO_SDK_CDROM_H 25 26 #include <stdio.h> 27 #include <stdint.h> 28 #include <stddef.h> 29 #include <sys/types.h> 30 31 #include <vfs/vfs.h> 32 #include <libretro.h> 33 #include <retro_common_api.h> 34 #include <retro_inline.h> 35 36 #include <boolean.h> 37 38 struct string_list; 39 40 RETRO_BEGIN_DECLS 41 42 typedef struct 43 { 44 unsigned short g1_timeout; 45 unsigned short g2_timeout; 46 unsigned short g3_timeout; 47 } cdrom_group_timeouts_t; 48 49 typedef struct 50 { 51 unsigned lba_start; /* start of pregap */ 52 unsigned lba; /* start of data */ 53 unsigned track_size; /* in LBAs */ 54 unsigned track_bytes; 55 unsigned char track_num; 56 unsigned char min; /* start of data */ 57 unsigned char sec; 58 unsigned char frame; 59 unsigned char mode; 60 bool audio; 61 } cdrom_track_t; 62 63 typedef struct 64 { 65 cdrom_track_t track[99]; /* unsigned alignment */ 66 cdrom_group_timeouts_t timeouts; /* unsigned short alignment */ 67 unsigned char num_tracks; 68 char drive; 69 } cdrom_toc_t; 70 71 void cdrom_lba_to_msf(unsigned lba, unsigned char *min, unsigned char *sec, unsigned char *frame); 72 73 unsigned cdrom_msf_to_lba(unsigned char min, unsigned char sec, unsigned char frame); 74 75 void increment_msf(unsigned char *min, unsigned char *sec, unsigned char *frame); 76 77 int cdrom_read_subq(libretro_vfs_implementation_file *stream, unsigned char *buf, size_t len); 78 79 int cdrom_write_cue(libretro_vfs_implementation_file *stream, char **out_buf, size_t *out_len, char cdrom_drive, unsigned char *num_tracks, cdrom_toc_t *toc); 80 81 /* needs 32 bytes for full vendor, product and version */ 82 int cdrom_get_inquiry(libretro_vfs_implementation_file *stream, char *model, int len, bool *is_cdrom); 83 84 int cdrom_read(libretro_vfs_implementation_file *stream, cdrom_group_timeouts_t *timeouts, unsigned char min, unsigned char sec, unsigned char frame, void *s, size_t len, size_t skip); 85 86 int cdrom_set_read_speed(libretro_vfs_implementation_file *stream, unsigned speed); 87 88 int cdrom_stop(libretro_vfs_implementation_file *stream); 89 90 int cdrom_unlock(libretro_vfs_implementation_file *stream); 91 92 int cdrom_open_tray(libretro_vfs_implementation_file *stream); 93 94 int cdrom_close_tray(libretro_vfs_implementation_file *stream); 95 96 /* must be freed by the caller */ 97 struct string_list* cdrom_get_available_drives(void); 98 99 bool cdrom_is_media_inserted(libretro_vfs_implementation_file *stream); 100 101 bool cdrom_drive_has_media(const char drive); 102 103 void cdrom_get_current_config_core(libretro_vfs_implementation_file *stream); 104 105 void cdrom_get_current_config_profiles(libretro_vfs_implementation_file *stream); 106 107 void cdrom_get_current_config_cdread(libretro_vfs_implementation_file *stream); 108 109 void cdrom_get_current_config_multiread(libretro_vfs_implementation_file *stream); 110 111 void cdrom_get_current_config_random_readable(libretro_vfs_implementation_file *stream); 112 113 int cdrom_get_sense(libretro_vfs_implementation_file *stream, unsigned char *sense, size_t len); 114 115 bool cdrom_set_read_cache(libretro_vfs_implementation_file *stream, bool enabled); 116 117 bool cdrom_get_timeouts(libretro_vfs_implementation_file *stream, cdrom_group_timeouts_t *timeouts); 118 119 bool cdrom_has_atip(libretro_vfs_implementation_file *stream); 120 121 void cdrom_device_fillpath(char *path, size_t len, char drive, unsigned char track, bool is_cue); 122 123 RETRO_END_DECLS 124 125 #endif 126