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98 lines
1.9 KiB
C++
98 lines
1.9 KiB
C++
#ifndef __MDFN_CDACCESS_IMAGE_H
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#define __MDFN_CDACCESS_IMAGE_H
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#include <map>
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class Stream;
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class AudioReader;
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struct CDRFILE_TRACK_INFO
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{
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int32 LBA;
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CDUtility::CD_Track_Format_t Format;
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uint32 DIFormat;
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int32 pregap;
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int32 pregap_dv;
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int32 postgap;
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int32 index[2];
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int32 sectors; // Not including pregap sectors!
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Stream *fp;
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bool FirstFileInstance;
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bool RawAudioMSBFirst;
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long FileOffset;
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unsigned int SubchannelMode;
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uint32 LastSamplePos;
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AudioReader *AReader;
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};
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#if 0
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struct Medium_Chunk
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{
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int64 Offset; // Offset in [..TODO..]
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uint32 DIFormat;
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FILE *fp;
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bool FirstFileInstance;
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bool RawAudioMSBFirst;
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unsigned int SubchannelMode;
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uint32 LastSamplePos;
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AudioReader *AReader;
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};
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struct CD_Chunk
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{
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int32 LBA;
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int32 Track;
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int32 Index;
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bool DataType;
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Medium_Chunk Medium;
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};
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static std::vector<CD_Chunk> Chunks;
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#endif
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class CDAccess_Image : public CDAccess
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{
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public:
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CDAccess_Image(const char *path, bool image_memcache);
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virtual ~CDAccess_Image();
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virtual void Read_Raw_Sector(uint8 *buf, int32 lba);
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virtual void Read_TOC(CDUtility::TOC *toc);
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virtual bool Is_Physical(void) throw();
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virtual void Eject(bool eject_status);
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private:
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int32 NumTracks;
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int32 FirstTrack;
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int32 LastTrack;
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int32 total_sectors;
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CDRFILE_TRACK_INFO Tracks[100]; // Track #0(HMM?) through 99
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std::string base_dir;
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void ImageOpen(const char *path, bool image_memcache);
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void Cleanup(void);
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// MakeSubPQ will OR the simulated P and Q subchannel data into SubPWBuf.
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void MakeSubPQ(int32 lba, uint8 *SubPWBuf);
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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);
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uint32 GetSectorCount(CDRFILE_TRACK_INFO *track);
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};
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#endif
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