udf_167.h

这是一个SIGMA方案的PMP播放器的UCLINUX程序,可播放DVD,VCD,CD MP3...有很好的参考价值.

	Uint16 partitionReferenceNum;
} lb_addr;

/* Extent interpretation (ECMA 167 4/14.14.1.1) */
#define EXTENT_RECORDED_ALLOCATED               0x00
#define EXTENT_NOT_RECORDED_ALLOCATED           0x01
#define EXTENT_NOT_RECORDED_NOT_ALLOCATED       0x02
#define EXTENT_NEXT_EXTENT_ALLOCDECS            0x03

/* Long Allocation Descriptor (ECMA 167 4/14.14.2) */
typedef struct {
	Uint32 extLength;
	lb_addr extLocation;
	Uint8 impUse[6];
} long_ad;
	/* upper 2 bits of extLength indicate type */

/* File Set Descriptor (ECMA 167 4/14.1) */
struct FileSetDesc {
	tag descTag;
	timestamp recordingDateAndTime;
	Uint16 interchangeLvl;
	Uint16 maxInterchangeLvl;
	Uint32 charSetList;
	Uint32 maxCharSetList;
	Uint32 fileSetNum;
	Uint32 fileSetDescNum;
	charspec logicalVolIdentCharSet;
	dstring logicalVolIdent[128];
	charspec fileSetCharSet;
	dstring fileSetIdent[32];
	dstring copyrightFileIdent[32];
	dstring abstractFileIdent[32];
	long_ad rootDirectoryICB;
	EntityID domainIdent;
	long_ad nextExt;
	long_ad streamDirectoryICB;
	Uint8 reserved[32];
};

/* Short Allocation Descriptor (ECMA 167 4/14.14.1) */
typedef struct {
	Uint32 extLength;
	Uint32 extPosition;
} short_ad;

/* Partition Header Descriptor (ECMA 167 4/14.3) */
struct PartitionHeaderDesc {
	short_ad unallocatedSpaceTable;
	short_ad unallocatedSpaceBitmap;
	short_ad partitionIntegrityTable;
	short_ad freedSpaceTable;
	short_ad freedSpaceBitmap;
	Uint8 reserved[88];
};

/* File Identifier Descriptor (ECMA 167 4/14.4) */
struct FileIdentDesc
{
	tag descTag;
	Uint16 fileVersionNum; /* 1 */
	Uint8 fileCharacteristics;
	Uint8 lengthFileIdent;
	long_ad icb;
	Uint16 lengthOfImpUse;
	Uint8 impUse[0];
	Uint8 fileIdent[0];
	Uint8 padding[0];
};

/* File Characteristics (ECMA 167 4/14.4.3) */
#define FILE_HIDDEN	1
#define FILE_DIRECTORY	2
#define FILE_DELETED	4
#define FILE_PARENT	8
#define FILE_METADATA	0x10 /* UDF 2.0 */

/* Allocation Ext Descriptor (ECMA 167 4/14.5) */
struct AllocExtDesc
{
	tag descTag;
	Uint32 previousAllocExtLocation;
	Uint32 lengthAllocDescs;
};

/* ICB Tag (ECMA 167 4/14.6) */
typedef struct {
	Uint32 priorRecordedNumDirectEntries;
	Uint16 strategyType;
	Uint16 strategyParameter;
	Uint16 numEntries;
	Uint8 reserved;
	Uint8 fileType;
	lb_addr parentICBLocation;
	Uint16 flags;
} icbtag;

/* ICB File Type (ECMA 167 4/14.6.6) */
#define FILE_TYPE_NONE		0x00U
#define FILE_TYPE_UNALLOC	0x01U
#define FILE_TYPE_INTEGRITY	0x02U
#define FILE_TYPE_INDIRECT	0x03U
#define FILE_TYPE_DIRECTORY	0x04U
#define FILE_TYPE_REGULAR	0x05U
#define FILE_TYPE_BLOCK		0x06U
#define FILE_TYPE_CHAR		0x07U
#define FILE_TYPE_EXTENDED	0x08U
#define FILE_TYPE_FIFO		0x09U
#define FILE_TYPE_SOCKET	0x0aU
#define FILE_TYPE_TERMINAL	0x0bU
#define FILE_TYPE_SYMLINK	0x0cU
#define FILE_TYPE_STREAMDIR	0x0dU /* ECMA 167 4/13 */

/* ICB Flags (ECMA 167 4/14.6.8) */
#define ICB_FLAG_ALLOC_MASK	0x0007U
#define ICB_FLAG_SORTED		0x0008U
#define ICB_FLAG_NONRELOCATABLE	0x0010U
#define ICB_FLAG_ARCHIVE	0x0020U
#define ICB_FLAG_SETUID		0x0040U
#define ICB_FLAG_SETGID		0x0080U
#define ICB_FLAG_STICKY		0x0100U
#define ICB_FLAG_CONTIGUOUS	0x0200U
#define ICB_FLAG_SYSTEM		0x0400U
#define ICB_FLAG_TRANSFORMED	0x0800U
#define ICB_FLAG_MULTIVERSIONS	0x1000U

/* ICB Flags Allocation type(ECMA 167 4/14.6.8) */
#define ICB_FLAG_AD_SHORT	0
#define ICB_FLAG_AD_LONG	1
#define ICB_FLAG_AD_EXTENDED	2
#define ICB_FLAG_AD_IN_ICB	3

/* Indirect Entry (ECMA 167 4/14.7) */
struct IndirectEntry {
	tag descTag;
	icbtag icbTag;
	long_ad indirectICB;
};

/* Terminal Entry (ECMA 167 4/14.8) */
struct TerminalEntry {
	tag descTag;
	icbtag icbTag;
};

/* File Entry (ECMA 167 4/14.9) */
struct FileEntry {
	tag			descTag;
	icbtag		icbTag;
	Uint32		uid;
	Uint32		gid;
	Uint32		permissions;
	Uint16		fileLinkCount;
	Uint8		recordFormat;
	Uint8		recordDisplayAttr;
	Uint32		recordLength;
	Uint64		informationLength;
	Uint64		logicalBlocksRecorded;
	timestamp	accessTime;
	timestamp	modificationTime;
	timestamp	attrTime;
	Uint32		checkpoint;
	long_ad		extendedAttrICB;
	EntityID	impIdent;
	Uint64		uniqueID; /* 0= root, 16- (2^32-1) */
	Uint32		lengthExtendedAttr;
	Uint32		lengthAllocDescs;
	Uint8		extendedAttr[0];
	Uint8		allocDescs[0];
};

/* File Permissions (ECMA 167 4/14.9.5) */
#define PERM_O_EXEC	0x00000001U
#define PERM_O_WRITE	0x00000002U
#define PERM_O_READ	0x00000004U
#define PERM_O_CHATTR	0x00000008U
#define PERM_O_DELETE	0x00000010U
#define PERM_G_EXEC	0x00000020U
#define PERM_G_WRITE	0x00000040U
#define PERM_G_READ	0x00000080U
#define PERM_G_CHATTR	0x00000100U
#define PERM_G_DELETE	0x00000200U
#define PERM_U_EXEC	0x00000400U
#define PERM_U_WRITE	0x00000800U
#define PERM_U_READ	0x00001000U
#define PERM_U_CHATTR	0x00002000U
#define PERM_U_DELETE	0x00004000U

/* File Record Format (ECMA 167 4/14.9.7) */
#define RECORD_FMT_NONE			0
#define RECORD_FMT_FIXED_PAD		1
#define RECORD_FMT_FIXED		2
#define RECORD_FMT_VARIABLE8		3
#define RECORD_FMT_VARIABLE16		4
#define RECORD_FMT_VARIABLE16_MSB	5
#define RECORD_FMT_VARIABLE32		6
#define RECORD_FMT_PRINT		7
#define RECORD_FMT_LF			8
#define RECORD_FMT_CR			9
#define RECORD_FMT_CRLF			10
#define RECORD_FMT_LFCR			10

/* Extended Attribute Header Descriptor (ECMA 167 4/14.10.1) */
struct ExtendedAttrHeaderDesc {
	tag descTag;
	Uint32 impAttrLocation;
	Uint32 appAttrLocation;
};

/* Generic Attribute Format (ECMA 4/14.10.2) */
struct GenericAttrFormat {
	Uint32 attrType;
	Uint8 attrSubtype;
	Uint8 reserved[3];
	Uint32 attrLength;
	Uint8 attrData[0];
};

/* Character Set Attribute Format (ECMA 4/14.10.3) */
struct CharSetAttrFormat {
	Uint32 attrType;		/* 1 */
	Uint8 attrSubtype;		/* 1 */
	Uint8 reserved[3];
	Uint32 attrLength;
	Uint32 escapeSeqLength;
	Uint8 charSetType;
	Uint8 escapeSeq[0];
};

/* Alternate Permissions (ECMA 167 4/14.10.4) */
struct AlternatePermissionsExtendedAttr {
	Uint32 attrType;		/* 3 */
	Uint8 attrSubtype;		/* 1 */
	Uint8 reserved[3];
	Uint32 attrLength;
	Uint16 ownerIdent;
	Uint16 groupIdent;
	Uint16 permission;
};

/* File Times Extended Attribute (ECMA 167 4/14.10.5) */
struct FileTimesExtendedAttr {
	Uint32 attrType;		/* 5 */
	Uint8 attrSubtype;		/* 1 */
	Uint8 reserved[3];
	Uint32 attrLength;
	Uint32 dataLength;
	Uint32 fileTimeExistence;
	Uint8 fileTimes;
};

/* FileTimeExistence (ECMA 167 4/14.10.5.6) */
#define FTE_CREATION	0
#define FTE_DELETION	2
#define FTE_EFFECTIVE	3
#define FTE_BACKUP	5

/* Information Times Extended Attribute (ECMA 167 4/14.10.6) */
struct InfoTimesExtendedAttr {
	Uint32 attrType;		/* 6 */
	Uint8 attrSubtype;		/* 1 */
	Uint8 reserved[3];
	Uint32 attrLength;
	Uint32 dataLength;
	Uint32 infoTimeExistence;
	Uint8 infoTimes[0];
};

/* Device Specification Extended Attribute (ECMA 167 4/14.10.7) */
struct DeviceSpecificationExtendedAttr {
	Uint32 attrType;		/* 12 */
	Uint8 attrSubtype;		/* 1 */
	Uint8 reserved[3];
	Uint32 attrLength;
	Uint32 impUseLength;
	Uint32 majorDeviceIdent;
	Uint32 minorDeviceIdent;
	Uint8 impUse[0];
};

/* Implementation Use Extended Attr (ECMA 167 4/14.10.8) */
struct ImpUseExtendedAttr {
	Uint32 attrType;		/* 2048 */
	Uint8 attrSubtype;		/* 1 */
	Uint8 reserved[3];
	Uint32 attrLength;
	Uint32 impUseLength;
	EntityID impIdent;
	Uint8 impUse[0];
};

/* Application Use Extended Attribute (ECMA 167 4/14.10.9) */
struct AppUseExtendedAttr {
	Uint32 attrType;		/* 65536 */
	Uint8 attrSubtype;		/* 1 */
	Uint8 reserved[3];
	Uint32 attrLength;
	Uint32 appUseLength;
	EntityID appIdent;
	Uint8 appUse[0];
};

#define EXTATTR_CHAR_SET	1
#define EXTATTR_ALT_PERMS	3
#define EXTATTR_FILE_TIMES	5
#define EXTATTR_INFO_TIMES	6
#define EXTATTR_DEV_SPEC	12
#define EXTATTR_IMP_USE		2048
#define EXTATTR_APP_USE		65536


/* Unallocated Space Entry (ECMA 167 4/14.11) */
struct UnallocatedSpaceEntry {
	tag descTag;
	icbtag icbTag;
	Uint32 lengthAllocDescs;
	Uint8 allocDescs[0];
};

/* Space Bitmap Descriptor (ECMA 167 4/14.12) */
struct SpaceBitmapDesc {
	tag descTag;
	Uint32 numOfBits;
	Uint32 numOfBytes;
	Uint8 bitmap[0];
};

/* Partition Integrity Entry (ECMA 167 4/14.13) */
struct PartitionIntegrityEntry {
	tag descTag;
	icbtag icbTag;
	timestamp recordingDateAndTime;
	Uint8 integrityType;
	Uint8 reserved[175];
	EntityID impIdent;
	Uint8 impUse[256];
};

/* Extended Allocation Descriptor (ECMA 167 4/14.14.3) */
typedef struct { /* ECMA 167 4/14.14.3 */
	Uint32 extLength;
	Uint32 recordedLength;
	Uint32 informationLength;
	lb_addr extLocation;
} ext_ad;

/* Logical Volume Header Descriptor (ECMA 167 4/14.5) */
struct LogicalVolHeaderDesc {
	Uint64 uniqueID;
	Uint8 reserved[24];
};

/* Path Component (ECMA 167 4/14.16.1) */
struct PathComponent {
	Uint8 componentType;
	Uint8 lengthComponentIdent;
	Uint16 componentFileVersionNum;
	dstring componentIdent[0];
};

/* File Entry (ECMA 167 4/14.17) */
struct ExtendedFileEntry {
	tag			descTag;
	icbtag		icbTag;
	Uint32		uid;
	Uint32		gid;
	Uint32		permissions;
	Uint16		fileLinkCount;
	Uint8		recordFormat;
	Uint8		recordDisplayAttr;
	Uint32		recordLength;
	Uint64		informationLength;
	Uint64		objectSize;
	Uint64		logicalBlocksRecorded;
	timestamp	accessTime;
	timestamp	modificationTime;
	timestamp	createTime;
	timestamp	attrTime;
	Uint32		checkpoint;
	Uint32		reserved;
	long_ad		extendedAttrICB;
	long_ad		streamDirectoryICB;
	EntityID	impIdent;
	Uint64		uniqueID;
	Uint32		lengthExtendedAttr;
	Uint32		lengthAllocDescs;
	Uint8		extendedAttr[0];
	Uint8		allocDescs[0];
};
#pragma pack()

#endif /* !defined(_LINUX_UDF_167_H) */