dosbox-staging/src/dos/cdrom.h

#ifndef __CDROM_INTERFACE__
#define __CDROM_INTERFACE__

#define MAX_ASPI_CDROM	5

#include <string.h>

#define RAW_SECTOR_SIZE		2352
#define COOKED_SECTOR_SIZE	2048

typedef struct SMSF {
	unsigned char min;
	unsigned char sec;
	unsigned char fr;
} TMSF;

extern int CDROM_GetMountType(char* path);

class CDROM_Interface
{
public:
//	CDROM_Interface						(void);
	virtual ~CDROM_Interface			(void) {};

	virtual bool	SetDevice			(char* path) = 0;

	virtual bool	GetUPC				(unsigned char& attr, char* upc) = 0;

	virtual bool	GetAudioTracks		(int& stTrack, int& end, TMSF& leadOut) = 0;
	virtual bool	GetAudioTrackInfo	(int track, TMSF& start, unsigned char& attr) = 0;
	virtual bool	GetAudioSub			(unsigned char& attr, unsigned char& track, unsigned char& index, TMSF& relPos, TMSF& absPos) = 0;
	virtual bool	GetAudioStatus		(bool& playing, bool& pause) = 0;
	virtual bool	GetMediaTrayStatus	(bool& mediaPresent, bool& mediaChanged, bool& trayOpen) = 0;

	virtual bool	PlayAudioSector		(unsigned long start,unsigned long len) = 0;
	virtual bool	PauseAudio			(bool resume) = 0;
	virtual bool	StopAudio			(void) = 0;
	
	virtual bool	ReadSectors			(void* buffer, bool raw, unsigned long sector, unsigned long num) = 0;

	virtual bool	LoadUnloadMedia		(bool unload) = 0;
};	

class CDROM_Interface_Fake : public CDROM_Interface
{
public:
	bool	SetDevice			(char* path) { return true; };
	bool	GetUPC				(unsigned char& attr, char* upc) { attr = 0; strcpy(upc,"UPC"); return true; };
	bool	GetAudioTracks		(int& stTrack, int& end, TMSF& leadOut);
	bool	GetAudioTrackInfo	(int track, TMSF& start, unsigned char& attr);
	bool	GetAudioSub			(unsigned char& attr, unsigned char& track, unsigned char& index, TMSF& relPos, TMSF& absPos);
	bool	GetAudioStatus		(bool& playing, bool& pause);
	bool	GetMediaTrayStatus	(bool& mediaPresent, bool& mediaChanged, bool& trayOpen);
	bool	PlayAudioSector		(unsigned long start,unsigned long len) { return true; };
	bool	PauseAudio			(bool resume) { return true; };
	bool	StopAudio			(void) { return true; };
	bool	ReadSectors			(void* buffer, bool raw, unsigned long sector, unsigned long num) { return true; };
	bool	LoadUnloadMedia		(bool unload) { return true; };
};	


#if defined (WIN32)	/* Win 32 */

#define WIN32_LEAN_AND_MEAN		// Exclude rarely-used stuff from Windows headers

#include <windows.h>
#include "wnaspi32.h"			// Aspi stuff 

class CDROM_Interface_Aspi : public CDROM_Interface
{
public:
	CDROM_Interface_Aspi		(void);
	~CDROM_Interface_Aspi		(void);

	bool	SetDevice			(char* path);

	bool	GetUPC				(unsigned char& attr, char* upc);

	bool	GetAudioTracks		(int& stTrack, int& end, TMSF& leadOut);
	bool	GetAudioTrackInfo	(int track, TMSF& start, unsigned char& attr);
	bool	GetAudioSub			(unsigned char& attr, unsigned char& track, unsigned char& index, TMSF& relPos, TMSF& absPos);
	bool	GetAudioStatus		(bool& playing, bool& pause);
	bool	GetMediaTrayStatus	(bool& mediaPresent, bool& mediaChanged, bool& trayOpen);

	bool	PlayAudioSector		(unsigned long start,unsigned long len);
	bool	PauseAudio			(bool resume);
	bool	StopAudio			(void);
	
	bool	ReadSectors			(void* buffer, bool raw, unsigned long sector, unsigned long num);

	bool	LoadUnloadMedia		(bool unload);
	
private:
	DWORD	GetTOC				(LPTOC toc);
	HANDLE	OpenIOCTLFile		(char cLetter, BOOL bAsync);
	void	GetIOCTLAdapter		(HANDLE hF,int * iDA,int * iDT,int * iDL);
	bool	ScanRegistryFindKey	(HKEY& hKeyBase);
	bool	ScanRegistry		(HKEY& hKeyBase);
	BYTE	GetHostAdapter		(void);
		
	// ASPI stuff
	BYTE	haId;
	BYTE	target;
	BYTE	lun;
	char	letter;

	// Windows stuff
	HINSTANCE	hASPI;
	HANDLE		hEvent;											// global event
	DWORD		(*pGetASPI32SupportInfo)	(void);             // ptrs to aspi funcs
	DWORD		(*pSendASPI32Command)		(LPSRB);
};

class CDROM_Interface_Ioctl : public CDROM_Interface
{
public:
	CDROM_Interface_Ioctl		(void);
	~CDROM_Interface_Ioctl		(void);

	bool	SetDevice			(char* path);

	bool	GetUPC				(unsigned char& attr, char* upc);

	bool	GetAudioTracks		(int& stTrack, int& end, TMSF& leadOut);
	bool	GetAudioTrackInfo	(int track, TMSF& start, unsigned char& attr);
	bool	GetAudioSub			(unsigned char& attr, unsigned char& track, unsigned char& index, TMSF& relPos, TMSF& absPos);
	bool	GetAudioStatus		(bool& playing, bool& pause);
	bool	GetMediaTrayStatus	(bool& mediaPresent, bool& mediaChanged, bool& trayOpen);

	bool	PlayAudioSector		(unsigned long start,unsigned long len);
	bool	PauseAudio			(bool resume);
	bool	StopAudio			(void);
	
	bool	ReadSectors			(void* buffer, bool raw, unsigned long sector, unsigned long num);

	bool	LoadUnloadMedia		(bool unload);

private:

	HANDLE	hIOCTL;
	TMSF	oldLeadOut;
};

#else /* Linux */

class CDROM_Interface_Linux : public CDROM_Interface
{
public:
	CDROM_Interface_Linux		(void);
	~CDROM_Interface_Linux		(void);

	bool	SetDevice			(char* path);

	bool	GetUPC				(unsigned char& attr, char* upc);

	bool	GetAudioTracks		(int& stTrack, int& end, TMSF& leadOut);
	bool	GetAudioTrackInfo	(int track, TMSF& start, unsigned char& attr);
	bool	GetAudioSub			(unsigned char& attr, unsigned char& track, unsigned char& index, TMSF& relPos, TMSF& absPos);
	bool	GetAudioStatus		(bool& playing, bool& pause);
	bool	GetMediaTrayStatus	(bool& mediaPresent, bool& mediaChanged, bool& trayOpen);

	bool	PlayAudioSector		(unsigned long start,unsigned long len);
	bool	PauseAudio			(bool resume);
	bool	StopAudio			(void);
	
	bool	ReadSectors			(void* buffer, bool raw, unsigned long sector, unsigned long num);

	bool	LoadUnloadMedia		(bool unload);

private:

	int		dhandle;
	TMSF	oldLeadOut;
};

#endif /* linux */

#endif /* __CDROM_INTERFACE__ */