--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/SDL_cdrom.h	Thu Apr 26 16:45:43 2001 +0000
@@ -0,0 +1,175 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public
+    License along with this library; if not, write to the Free
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    Sam Lantinga
+    slouken@devolution.com
+*/
+
+#ifdef SAVE_RCSID
+static char rcsid =
+ "@(#) $Id$";
+#endif
+
+/* This is the CD-audio control API for Simple DirectMedia Layer */
+
+#ifndef _SDL_cdrom_h
+#define _SDL_cdrom_h
+
+#include "SDL_types.h"
+
+#include "begin_code.h"
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* In order to use these functions, SDL_Init() must have been called
+   with the SDL_INIT_CDROM flag.  This causes SDL to scan the system
+   for CD-ROM drives, and load appropriate drivers.
+*/
+
+/* The maximum number of CD-ROM tracks on a disk */
+#define SDL_MAX_TRACKS	99
+
+/* The types of CD-ROM track possible */
+#define SDL_AUDIO_TRACK	0x00
+#define SDL_DATA_TRACK	0x04
+
+/* The possible states which a CD-ROM drive can be in. */
+typedef enum {
+	CD_TRAYEMPTY,
+	CD_STOPPED,
+	CD_PLAYING,
+	CD_PAUSED,
+	CD_ERROR = -1
+} CDstatus;
+
+/* Given a status, returns true if there's a disk in the drive */
+#define CD_INDRIVE(status)	((int)status > 0)
+
+typedef struct {
+	Uint8 id;		/* Track number */
+	Uint8 type;		/* Data or audio track */
+	Uint16 unused;
+	Uint32 length;		/* Length, in frames, of this track */
+	Uint32 offset;		/* Offset, in frames, from start of disk */
+} SDL_CDtrack;
+
+/* This structure is only current as of the last call to SDL_CDStatus() */
+typedef struct SDL_CD {
+	int id;			/* Private drive identifier */
+	CDstatus status;	/* Current drive status */
+
+	/* The rest of this structure is only valid if there's a CD in drive */
+	int numtracks;		/* Number of tracks on disk */
+	int cur_track;		/* Current track position */
+	int cur_frame;		/* Current frame offset within current track */
+	SDL_CDtrack track[SDL_MAX_TRACKS+1];
+} SDL_CD;
+
+/* Conversion functions from frames to Minute/Second/Frames and vice versa */
+#define CD_FPS	75
+#define FRAMES_TO_MSF(f, M,S,F)	{					\
+	int value = f;							\
+	*(F) = value%CD_FPS;						\
+	value /= CD_FPS;						\
+	*(S) = value%60;						\
+	value /= 60;							\
+	*(M) = value;							\
+}
+#define MSF_TO_FRAMES(M, S, F)	((M)*60*CD_FPS+(S)*CD_FPS+(F))
+
+/* CD-audio API functions: */
+
+/* Returns the number of CD-ROM drives on the system, or -1 if
+   SDL_Init() has not been called with the SDL_INIT_CDROM flag.
+ */
+extern DECLSPEC int SDL_CDNumDrives(void);
+
+/* Returns a human-readable, system-dependent identifier for the CD-ROM.
+   Example:
+	"/dev/cdrom"
+	"E:"
+	"/dev/disk/ide/1/master"
+*/
+extern DECLSPEC const char * SDL_CDName(int drive);
+
+/* Opens a CD-ROM drive for access.  It returns a drive handle on success,
+   or NULL if the drive was invalid or busy.  This newly opened CD-ROM
+   becomes the default CD used when other CD functions are passed a NULL
+   CD-ROM handle.
+   Drives are numbered starting with 0.  Drive 0 is the system default CD-ROM.
+*/
+extern DECLSPEC SDL_CD * SDL_CDOpen(int drive);
+
+/* This function returns the current status of the given drive.
+   If the drive has a CD in it, the table of contents of the CD and current
+   play position of the CD will be stored in the SDL_CD structure.
+*/
+extern DECLSPEC CDstatus SDL_CDStatus(SDL_CD *cdrom);
+
+/* Play the given CD starting at 'start_track' and 'start_frame' for 'ntracks'
+   tracks and 'nframes' frames.  If both 'ntrack' and 'nframe' are 0, play 
+   until the end of the CD.  This function will skip data tracks.
+   This function should only be called after calling SDL_CDStatus() to 
+   get track information about the CD.
+   For example:
+	// Play entire CD:
+	if ( CD_INDRIVE(SDL_CDStatus(cdrom)) )
+		SDL_CDPlayTracks(cdrom, 0, 0, 0, 0);
+	// Play last track:
+	if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) {
+		SDL_CDPlayTracks(cdrom, cdrom->numtracks-1, 0, 0, 0);
+	}
+	// Play first and second track and 10 seconds of third track:
+	if ( CD_INDRIVE(SDL_CDStatus(cdrom)) )
+		SDL_CDPlayTracks(cdrom, 0, 0, 2, 10);
+
+   This function returns 0, or -1 if there was an error.
+*/
+extern DECLSPEC int SDL_CDPlayTracks(SDL_CD *cdrom,
+		int start_track, int start_frame, int ntracks, int nframes);
+
+/* Play the given CD starting at 'start' frame for 'length' frames.
+   It returns 0, or -1 if there was an error.
+*/
+extern DECLSPEC int SDL_CDPlay(SDL_CD *cdrom, int start, int length);
+
+/* Pause play -- returns 0, or -1 on error */
+extern DECLSPEC int SDL_CDPause(SDL_CD *cdrom);
+
+/* Resume play -- returns 0, or -1 on error */
+extern DECLSPEC int SDL_CDResume(SDL_CD *cdrom);
+
+/* Stop play -- returns 0, or -1 on error */
+extern DECLSPEC int SDL_CDStop(SDL_CD *cdrom);
+
+/* Eject CD-ROM -- returns 0, or -1 on error */
+extern DECLSPEC int SDL_CDEject(SDL_CD *cdrom);
+
+/* Closes the handle for the CD-ROM drive */
+extern DECLSPEC void SDL_CDClose(SDL_CD *cdrom);
+
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+}
+#endif
+#include "close_code.h"
+
+#endif /* _SDL_video_h */