annotate src/cdrom/SDL_syscdrom.h @ 894:1d1a823904d8

Don't crash if the stretch routines are used on hardware surfaces
author Sam Lantinga <slouken@libsdl.org>
date Sun, 16 May 2004 21:08:55 +0000
parents b8d311d90021
children c9b51268668f
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* This is the system specific header for the SDL CD-ROM API */
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29
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30 /* Structure of CD audio control functions */
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31 extern struct CDcaps {
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32 /* Get the name of the specified drive */
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33 const char *(*Name)(int drive);
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34
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35 /* Open the specified drive, returning a drive id, or -1 on error */
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36 int (*Open)(int drive);
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37
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38 /* Get table-of-contents (number of tracks + track info) for disk.
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39 The TOC information should be stored in the cdrom structure.
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40 This function should return 0 on success, or -1 on error.
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41 */
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42 int (*GetTOC)(SDL_CD *cdrom);
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43
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44 /* Return the current status and play position, in frames, of the
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45 drive. 'position' may be NULL, and if so, should be ignored.
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46 */
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47 CDstatus (*Status)(SDL_CD *cdrom, int *position);
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48
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49 /* Play from frame 'start' to 'start+len' */
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50 int (*Play)(SDL_CD *cdrom, int start, int len);
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51
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52 /* Pause play */
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53 int (*Pause)(SDL_CD *cdrom);
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54
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55 /* Resume play */
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56 int (*Resume)(SDL_CD *cdrom);
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57
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58 /* Stop play */
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59 int (*Stop)(SDL_CD *cdrom);
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60
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61 /* Eject the current disk */
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62 int (*Eject)(SDL_CD *cdrom);
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63
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64 /* Close the specified drive */
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65 void (*Close)(SDL_CD *cdrom);
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66 } SDL_CDcaps;
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67
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68 /* The number of available CD-ROM drives on the system */
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69 extern int SDL_numcds;
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70
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71 /* Function to scan the system for CD-ROM drives and fill SDL_CDcaps.
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72 * This function should set SDL_numcds to the number of available CD
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73 * drives. Drive 0 should be the system default CD-ROM.
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74 * It should return 0, or -1 on an unrecoverable fatal error.
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75 */
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76 extern int SDL_SYS_CDInit(void);
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77
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78 /* Function to perform any system-specific CD-ROM related cleanup */
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79 extern void SDL_SYS_CDQuit(void);
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80