handle src buffer underflow corner cases
[sdl_omap.git] / src / cdrom / SDL_syscdrom.h
CommitLineData
e14743d1 1/*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2009 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@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 */
27extern 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 */
65extern 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*/
72extern int SDL_SYS_CDInit(void);
73
74/* Function to perform any system-specific CD-ROM related cleanup */
75extern void SDL_SYS_CDQuit(void);
76