--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cdrom/win32/SDL_syscdrom.c	Thu Apr 26 16:45:43 2001 +0000
@@ -0,0 +1,377 @@
+/*
+    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
+
+/* Functions for system-level CD-ROM audio control */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <windows.h>
+#include <mmsystem.h>
+
+#include "SDL_error.h"
+#include "SDL_cdrom.h"
+#include "SDL_syscdrom.h"
+
+/* This really broken?? */
+#define BROKEN_MCI_PAUSE	/* Pausing actually stops play -- Doh! */
+
+/* The maximum number of CD-ROM drives we'll detect (Don't change!) */
+#define MAX_DRIVES	26	
+
+/* A list of available CD-ROM drives */
+static char *SDL_cdlist[MAX_DRIVES];
+static MCIDEVICEID SDL_mciID[MAX_DRIVES];
+#ifdef BROKEN_MCI_PAUSE
+static int SDL_paused[MAX_DRIVES];
+#endif
+
+/* The system-dependent CD control functions */
+static const char *SDL_SYS_CDName(int drive);
+static int SDL_SYS_CDOpen(int drive);
+static int SDL_SYS_CDGetTOC(SDL_CD *cdrom);
+static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position);
+static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length);
+static int SDL_SYS_CDPause(SDL_CD *cdrom);
+static int SDL_SYS_CDResume(SDL_CD *cdrom);
+static int SDL_SYS_CDStop(SDL_CD *cdrom);
+static int SDL_SYS_CDEject(SDL_CD *cdrom);
+static void SDL_SYS_CDClose(SDL_CD *cdrom);
+
+
+/* Add a CD-ROM drive to our list of valid drives */
+static void AddDrive(char *drive)
+{
+	int i;
+
+	if ( SDL_numcds < MAX_DRIVES ) {
+		/* Add this drive to our list */
+		i = SDL_numcds;
+		SDL_cdlist[i] = (char *)malloc(strlen(drive)+1);
+		if ( SDL_cdlist[i] == NULL ) {
+			SDL_OutOfMemory();
+			return;
+		}
+		strcpy(SDL_cdlist[i], drive);
+		++SDL_numcds;
+#ifdef CDROM_DEBUG
+  fprintf(stderr, "Added CD-ROM drive: %s\n", drive);
+#endif
+	}
+}
+
+int  SDL_SYS_CDInit(void)
+{
+	/* checklist: Drive 'A' - 'Z' */
+	int i;
+	char drive[4];
+
+	/* Fill in our driver capabilities */
+	SDL_CDcaps.Name = SDL_SYS_CDName;
+	SDL_CDcaps.Open = SDL_SYS_CDOpen;
+	SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC;
+	SDL_CDcaps.Status = SDL_SYS_CDStatus;
+	SDL_CDcaps.Play = SDL_SYS_CDPlay;
+	SDL_CDcaps.Pause = SDL_SYS_CDPause;
+	SDL_CDcaps.Resume = SDL_SYS_CDResume;
+	SDL_CDcaps.Stop = SDL_SYS_CDStop;
+	SDL_CDcaps.Eject = SDL_SYS_CDEject;
+	SDL_CDcaps.Close = SDL_SYS_CDClose;
+
+	/* Scan the system for CD-ROM drives */
+	for ( i='A'; i<='Z'; ++i ) {
+		sprintf(drive, "%c:\\", i);
+		if ( GetDriveType(drive) == DRIVE_CDROM ) {
+			AddDrive(drive);
+		}
+	}
+	memset(SDL_mciID, 0, sizeof(SDL_mciID));
+	return(0);
+}
+
+/* General ioctl() CD-ROM command function */
+static int SDL_SYS_CDioctl(int id, UINT msg, DWORD flags, void *arg)
+{
+	MCIERROR mci_error;
+
+	mci_error = mciSendCommand(SDL_mciID[id], msg, flags, (DWORD)arg);
+	if ( mci_error ) {
+		char error[256];
+
+		mciGetErrorString(mci_error, error, 256);
+		SDL_SetError("mciSendCommand() error: %s", error);
+	}
+	return(!mci_error ? 0 : -1);
+}
+
+static const char *SDL_SYS_CDName(int drive)
+{
+	return(SDL_cdlist[drive]);
+}
+
+static int SDL_SYS_CDOpen(int drive)
+{
+	MCI_OPEN_PARMS mci_open;
+	MCI_SET_PARMS mci_set;
+	char device[3];
+	DWORD flags;
+
+	/* Open the requested device */
+	mci_open.lpstrDeviceType = (LPCSTR) MCI_DEVTYPE_CD_AUDIO;
+	device[0] = *SDL_cdlist[drive];
+	device[1] = ':';
+	device[2] = '\0';
+	mci_open.lpstrElementName = device;
+	flags =
+	  (MCI_OPEN_TYPE|MCI_OPEN_SHAREABLE|MCI_OPEN_TYPE_ID|MCI_OPEN_ELEMENT);
+	if ( SDL_SYS_CDioctl(0, MCI_OPEN, flags, &mci_open) < 0 ) {
+		flags &= ~MCI_OPEN_SHAREABLE;
+		if ( SDL_SYS_CDioctl(0, MCI_OPEN, flags, &mci_open) < 0 ) {
+			return(-1);
+		}
+	}
+	SDL_mciID[drive] = mci_open.wDeviceID;
+
+	/* Set the minute-second-frame time format */
+	mci_set.dwTimeFormat = MCI_FORMAT_MSF;
+	SDL_SYS_CDioctl(drive, MCI_SET, MCI_SET_TIME_FORMAT, &mci_set);
+
+#ifdef BROKEN_MCI_PAUSE
+	SDL_paused[drive] = 0;
+#endif
+	return(drive);
+}
+
+static int SDL_SYS_CDGetTOC(SDL_CD *cdrom)
+{
+	MCI_STATUS_PARMS mci_status;
+	int i, okay;
+	DWORD flags;
+
+	okay = 0;
+	mci_status.dwItem = MCI_STATUS_NUMBER_OF_TRACKS;
+	flags = MCI_STATUS_ITEM | MCI_WAIT;
+	if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, &mci_status) == 0 ) {
+		cdrom->numtracks = mci_status.dwReturn;
+		if ( cdrom->numtracks > SDL_MAX_TRACKS ) {
+			cdrom->numtracks = SDL_MAX_TRACKS;
+		}
+		/* Read all the track TOC entries */
+		flags = MCI_STATUS_ITEM | MCI_TRACK | MCI_WAIT;
+		for ( i=0; i<cdrom->numtracks; ++i ) {
+			cdrom->track[i].id = i+1;
+			mci_status.dwTrack = cdrom->track[i].id;
+#ifdef MCI_CDA_STATUS_TYPE_TRACK
+			mci_status.dwItem = MCI_CDA_STATUS_TYPE_TRACK;
+			if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags,
+							&mci_status) < 0 ) {
+				break;
+			}
+			if ( mci_status.dwReturn == MCI_CDA_TRACK_AUDIO ) {
+				cdrom->track[i].type = SDL_AUDIO_TRACK;
+			} else {
+				cdrom->track[i].type = SDL_DATA_TRACK;
+			}
+#else
+			cdrom->track[i].type = SDL_AUDIO_TRACK;
+#endif
+			mci_status.dwItem = MCI_STATUS_POSITION;
+			if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags,
+							&mci_status) < 0 ) {
+				break;
+			}
+			cdrom->track[i].offset = MSF_TO_FRAMES(
+					MCI_MSF_MINUTE(mci_status.dwReturn),
+					MCI_MSF_SECOND(mci_status.dwReturn),
+					MCI_MSF_FRAME(mci_status.dwReturn));
+			cdrom->track[i].length = 0;
+			if ( i > 0 ) {
+				cdrom->track[i-1].length =
+						cdrom->track[i].offset-
+						cdrom->track[i-1].offset;
+			}
+		}
+		if ( i == cdrom->numtracks ) {
+			flags &= ~MCI_TRACK;
+			mci_status.dwItem = MCI_STATUS_LENGTH;
+			if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags,
+							&mci_status) == 0 ) {
+				cdrom->track[i].offset = MSF_TO_FRAMES(
+					MCI_MSF_MINUTE(mci_status.dwReturn),
+					MCI_MSF_SECOND(mci_status.dwReturn),
+					MCI_MSF_FRAME(mci_status.dwReturn));
+				cdrom->track[i].length = 0;
+				cdrom->track[i-1].length =
+						cdrom->track[i].offset-
+						cdrom->track[i-1].offset;
+				okay = 1;
+			}
+		}
+	}
+	return(okay ? 0 : -1);
+}
+
+/* Get CD-ROM status */
+static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position)
+{
+	CDstatus status;
+	MCI_STATUS_PARMS mci_status;
+	DWORD flags;
+
+	flags = MCI_STATUS_ITEM | MCI_WAIT;
+	mci_status.dwItem = MCI_STATUS_MODE;
+	if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, &mci_status) < 0 ) {
+		status = CD_ERROR;
+	} else {
+		switch (mci_status.dwReturn) {
+			case MCI_MODE_NOT_READY:
+			case MCI_MODE_OPEN:
+				status = CD_TRAYEMPTY;
+				break;
+			case MCI_MODE_STOP:
+#ifdef BROKEN_MCI_PAUSE
+				if ( SDL_paused[cdrom->id] ) {
+					status = CD_PAUSED;
+				} else {
+					status = CD_STOPPED;
+				}
+#else
+				status = CD_STOPPED;
+#endif /* BROKEN_MCI_PAUSE */
+				break;
+			case MCI_MODE_PLAY:
+				status = CD_PLAYING;
+				break;
+			case MCI_MODE_PAUSE:
+				status = CD_PAUSED;
+				break;
+			default:
+				status = CD_ERROR;
+				break;
+		}
+	}
+	if ( position ) {
+		if ( status == CD_PLAYING || (status == CD_PAUSED) ) {
+			mci_status.dwItem = MCI_STATUS_POSITION;
+			if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags,
+							&mci_status) == 0 ) {
+				*position = MSF_TO_FRAMES(
+					MCI_MSF_MINUTE(mci_status.dwReturn),
+					MCI_MSF_SECOND(mci_status.dwReturn),
+					MCI_MSF_FRAME(mci_status.dwReturn));
+			} else {
+				*position = 0;
+			}
+		} else {
+			*position = 0;
+		}
+	}
+	return(status);
+}
+
+/* Start play */
+static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length)
+{
+	MCI_PLAY_PARMS mci_play;
+	int m, s, f;
+	DWORD flags;
+
+	flags = MCI_FROM | MCI_TO | MCI_NOTIFY;
+	mci_play.dwCallback = 0;
+	FRAMES_TO_MSF(start, &m, &s, &f);
+	mci_play.dwFrom = MCI_MAKE_MSF(m, s, f);
+	FRAMES_TO_MSF(start+length, &m, &s, &f);
+	mci_play.dwTo = MCI_MAKE_MSF(m, s, f);
+	return(SDL_SYS_CDioctl(cdrom->id, MCI_PLAY, flags, &mci_play));
+}
+
+/* Pause play */
+static int SDL_SYS_CDPause(SDL_CD *cdrom)
+{
+#ifdef BROKEN_MCI_PAUSE
+	SDL_paused[cdrom->id] = 1;
+#endif
+	return(SDL_SYS_CDioctl(cdrom->id, MCI_PAUSE, MCI_WAIT, NULL));
+}
+
+/* Resume play */
+static int SDL_SYS_CDResume(SDL_CD *cdrom)
+{
+#ifdef BROKEN_MCI_PAUSE
+	MCI_STATUS_PARMS mci_status;
+	int okay;
+	int flags;
+
+	okay = 0;
+	/* Play from the current play position to end of CD */
+	flags = MCI_STATUS_ITEM | MCI_WAIT;
+	mci_status.dwItem = MCI_STATUS_POSITION;
+	if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, &mci_status) == 0 ) {
+		MCI_PLAY_PARMS mci_play;
+
+		flags = MCI_FROM | MCI_NOTIFY;
+		mci_play.dwCallback = 0;
+		mci_play.dwFrom = mci_status.dwReturn;
+		if (SDL_SYS_CDioctl(cdrom->id,MCI_PLAY,flags,&mci_play) == 0) {
+			okay = 1;
+			SDL_paused[cdrom->id] = 0;
+		}
+	}
+	return(okay ? 0 : -1);
+#else
+	return(SDL_SYS_CDioctl(cdrom->id, MCI_RESUME, MCI_WAIT, NULL));
+#endif /* BROKEN_MCI_PAUSE */
+}
+
+/* Stop play */
+static int SDL_SYS_CDStop(SDL_CD *cdrom)
+{
+	return(SDL_SYS_CDioctl(cdrom->id, MCI_STOP, MCI_WAIT, NULL));
+}
+
+/* Eject the CD-ROM */
+static int SDL_SYS_CDEject(SDL_CD *cdrom)
+{
+	return(SDL_SYS_CDioctl(cdrom->id, MCI_SET, MCI_SET_DOOR_OPEN, NULL));
+}
+
+/* Close the CD-ROM handle */
+static void SDL_SYS_CDClose(SDL_CD *cdrom)
+{
+	SDL_SYS_CDioctl(cdrom->id, MCI_CLOSE, MCI_WAIT, NULL);
+}
+
+void SDL_SYS_CDQuit(void)
+{
+	int i;
+
+	if ( SDL_numcds > 0 ) {
+		for ( i=0; i<SDL_numcds; ++i ) {
+			free(SDL_cdlist[i]);
+		}
+		SDL_numcds = 0;
+	}
+}