1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2012 Sam Lantinga 4 5 This library is SDL_free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 This library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with this library; if not, write to the Free Software 17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 18 19 Sam Lantinga 20 slouken (at) libsdl.org 21 */ 22 #include "SDL_config.h" 23 24 /* This is the system specific header for the SDL CD-ROM API */ 25 26 /* Structure of CD audio control functions */ 27 extern struct CDcaps { 28 /* Get the name of the specified drive */ 29 const char *(*Name)(int drive); 30 31 /* Open the specified drive, returning a drive id, or -1 on error */ 32 int (*Open)(int drive); 33 34 /* Get table-of-contents (number of tracks + track info) for disk. 35 The TOC information should be stored in the cdrom structure. 36 This function should return 0 on success, or -1 on error. 37 */ 38 int (*GetTOC)(SDL_CD *cdrom); 39 40 /* Return the current status and play position, in frames, of the 41 drive. 'position' may be NULL, and if so, should be ignored. 42 */ 43 CDstatus (*Status)(SDL_CD *cdrom, int *position); 44 45 /* Play from frame 'start' to 'start+len' */ 46 int (*Play)(SDL_CD *cdrom, int start, int len); 47 48 /* Pause play */ 49 int (*Pause)(SDL_CD *cdrom); 50 51 /* Resume play */ 52 int (*Resume)(SDL_CD *cdrom); 53 54 /* Stop play */ 55 int (*Stop)(SDL_CD *cdrom); 56 57 /* Eject the current disk */ 58 int (*Eject)(SDL_CD *cdrom); 59 60 /* Close the specified drive */ 61 void (*Close)(SDL_CD *cdrom); 62 } SDL_CDcaps; 63 64 /* The number of available CD-ROM drives on the system */ 65 extern int SDL_numcds; 66 67 /* Function to scan the system for CD-ROM drives and fill SDL_CDcaps. 68 * This function should set SDL_numcds to the number of available CD 69 * drives. Drive 0 should be the system default CD-ROM. 70 * It should return 0, or -1 on an unrecoverable fatal error. 71 */ 72 extern int SDL_SYS_CDInit(void); 73 74 /* Function to perform any system-specific CD-ROM related cleanup */ 75 extern void SDL_SYS_CDQuit(void); 76 77
