CDAccess_Image.h

#ifndef __MDFN_CDACCESS_IMAGE_H
#define __MDFN_CDACCESS_IMAGE_H

#include <map>
#include <array>

class Stream;
class CDAFReader;

struct CDRFILE_TRACK_INFO
{
        int32 LBA;
	
	uint32 DIFormat;
	uint8 subq_control;

        int32 pregap;
	int32 pregap_dv;

	int32 postgap;

	int32 index[2];

	int32 sectors;	// Not including pregap sectors!
        Stream *fp;
	bool FirstFileInstance;
	bool RawAudioMSBFirst;
	long FileOffset;
	unsigned int SubchannelMode;

	uint32 LastSamplePos;

	CDAFReader *AReader;
};
#if 0
struct Medium_Chunk
{
	int64 Offset;		// Offset in [..TODO..]
	uint32 DIFormat;

        FILE *fp;
        bool FirstFileInstance;
        bool RawAudioMSBFirst;
        unsigned int SubchannelMode;

        uint32 LastSamplePos;
        AudioReader *AReader;
};

struct CD_Chunk
{
	int32 LBA;
	int32 Track;
	int32 Index;
	bool DataType;

	Medium_Chunk Medium;
};

static std::vector<CD_Chunk> Chunks;
#endif

class CDAccess_Image : public CDAccess
{
 public:

 CDAccess_Image(const std::string& path, bool image_memcache);
 virtual ~CDAccess_Image();

 virtual void Read_Raw_Sector(uint8 *buf, int32 lba);

 virtual bool Fast_Read_Raw_PW_TSRE(uint8* pwbuf, int32 lba) const noexcept;

 virtual void Read_TOC(CDUtility::TOC *toc);

 private:

 int32 NumTracks;
 int32 FirstTrack;
 int32 LastTrack;
 int32 total_sectors;
 uint8 disc_type;
 CDRFILE_TRACK_INFO Tracks[100]; // Track #0(HMM?) through 99
 CDUtility::TOC toc;

 std::map<uint32, std::array<uint8, 12>> SubQReplaceMap;

 std::string base_dir;

 void ImageOpen(const std::string& path, bool image_memcache);
 void LoadSBI(const std::string& sbi_path);
 void GenerateTOC(void);
 void Cleanup(void);

 // MakeSubPQ will OR the simulated P and Q subchannel data into SubPWBuf.
 int32 MakeSubPQ(int32 lba, uint8 *SubPWBuf) const;

 void ParseTOCFileLineInfo(CDRFILE_TRACK_INFO *track, const int tracknum, const std::string &filename, const char *binoffset, const char *msfoffset, const char *length, bool image_memcache, std::map<std::string, Stream*> &toc_streamcache);
 uint32 GetSectorCount(CDRFILE_TRACK_INFO *track);
};


#endif