xgiovio/dvdisaster
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Imported Upstream version 0.79.2

Browse Source
This commit is contained in:
Rogério Brito
2010-11-06 20:36:40 -02:00
committed by TANIGUCHI Takaki
parent c3da7b4a44
commit bfe15b23fb
855 changed files with 28909 additions and 12770 deletions
Download Patch File Download Diff File Expand all files Collapse all files

108
dvdisaster.h
View File

@@ -1,5 +1,5 @@
/* dvdisaster: Additional error correction for optical media.
* Copyright (C) 2004-2009 Carsten Gnoerlich.
* Copyright (C) 2004-2010 Carsten Gnoerlich.
* Project home page: http://www.dvdisaster.com
* Email: carsten@dvdisaster.com -or- cgnoerlich@fsfe.org
*
@@ -110,6 +110,11 @@
#define MAX_CODEC_THREADS 32 /* not including IO and GUI */
/* Definitions for Closure->eccTarget */
#define ECC_FILE 0
#define ECC_IMAGE 1
/***
*** Our global closure (encapsulation of global variables)
***/
@@ -139,9 +144,11 @@ typedef struct _GlobalClosure
gint64 savedBDSize2;
gint64 mediumSize; /* Maximum medium size (for augmented images) */
int cacheMB; /* Cache setting for the parity codec, in megabytes */
int prefetchSectors; /* Prefetch setting per encoder thread */
int codecThreads; /* Number of threads to use for RS encoders */
int sectorSkip; /* Number of sectors to skip after read error occurs */
char *redundancy; /* Error correction code redundancy */
int eccTarget; /* 0=file; 1=augmented image */
int readRaw; /* Read CD sectors raw + verify them */
int rawMode; /* mode for mode page */
int minReadAttempts; /* minimum reading attempts */
@@ -155,14 +162,16 @@ typedef struct _GlobalClosure
int noTruncate; /* do not truncate image at the end */
int dsmVersion; /* 1 means new style dead sector marker */
int unlinkImage; /* delete image after ecc file creation */
int confirmDeletion; /* do not ask whether files should be deleted */
int driveSpeed; /* currently unused */
int debugMode; /* may activate additional features */
int debugCDump; /* dump as #include file instead of hexdump */
int verbose; /* may activate additional messages */
int quickVerify; /* do only non time-consuming verify actions */
int screenShotMode; /* screen shot mode */
int splitFiles; /* limit image files to 2GB */
int autoSuffix; /* automatically extend files with suffices .iso/.ecc */
int querySize; /* what sources are used for image size queries */
int examineRS02; /* perform deep search for RS02 structures */
int examineRS03; /* perform deep search for RS03 structures */
int readAndCreate; /* automatically create .ecc file after reading an image */
int enableCurveSwitch; /* TRUE in readAndCreateMode after reading is complete */
int welcomeMessage; /* just print dvdisaster logo if FALSE */
@@ -192,6 +201,8 @@ typedef struct _GlobalClosure
char *browser; /* Name of preferred WEB browser */
char bs[256]; /* A string of 255 backspace characters */
char sp[256]; /* A string of 255 space characters */
int progressLength; /* Length of last progress msg printed */
GThread *mainThread; /* Thread of the main() routine */
void (*cleanupProc)(gpointer); /* Procedure to cleanup running threads after an error condition */
@@ -199,14 +210,6 @@ typedef struct _GlobalClosure
char *errorTitle; /* Title to show in error dialogs */
gint32 randomSeed; /* for the random number generator */
#ifdef SYS_MINGW
/*** Hooks into the ASPI library */
void *aspiLib;
unsigned long (*GetASPI32SupportInfo)(void);
unsigned long (*SendASPI32Command)(void*);
#endif
guint32 *crcCache; /* sectorwise CRC32 for last image read */
char *crcImageName; /* file name of cached image */
unsigned char md5Cache[16]; /* md5sum of last image read */
@@ -317,14 +320,9 @@ extern int exitCode; /* value to use on exit() */
#define MAX_FILE_SEGMENTS 100
typedef struct _LargeFile
{ int fileSegment[MAX_FILE_SEGMENTS];
int flags;
mode_t mode;
int segment;
{ int fileHandle;
gint64 offset;
char *basename;
char *suffix;
int namelen;
char *path;
gint64 size;
} LargeFile;
@@ -357,6 +355,15 @@ typedef struct _EccInfo
struct MD5Context md5Ctxt; /* md5 context of crc portion of file */
} EccInfo;
/***
*** Aligned 64bit data types
***
* Needed to prevent 4 byte packing on 32bit systems.
*/
#define aligned_gint64 gint64 __attribute__((aligned(8)))
#define aligned_guint64 guint64 __attribute__((aligned(8)))
/***
*** The .ecc file header
***/
@@ -370,7 +377,8 @@ typedef struct _EccInfo
#define MFLAG_DEVEL (1<<0) /* for methodFlags[3] */
#define MFLAG_RC (1<<1)
#define MFLAG_DATA_MD5 (1<<0) /* specific to RS03 */
#define MFLAG_DATA_MD5 (1<<0) /* RS03: md5sum for data part available */
#define MFLAG_ECC_FILE (1<<1) /* RS03: This is a ecc file */
typedef struct _EccHeader
{ gint8 cookie[12]; /* "*dvdisaster*" */
@@ -385,15 +393,40 @@ typedef struct _EccHeader
gint32 creatorVersion; /* which dvdisaster version created this */
gint32 neededVersion; /* oldest version which can decode this file */
gint32 fpSector; /* sector used to calculate mediumFP */
guint32 selfCRC; /* CRC32 of EccHeader (currently RS02 only) -- since V0.66 --*/
guint32 selfCRC; /* CRC32 of EccHeader -- since V0.66 --*/
guint8 crcSum[16]; /* md5sum of crc code section of RS02 .iso file */
gint32 inLast; /* bytes contained in last sector */
gint8 padding[3976]; /* pad to 4096 bytes: room for future expansion */
aligned_guint64 sectorsPerLayer; /* layer size for RS03 */
gint8 padding[3968]; /* pad to 4096 bytes: room for future expansion */
/* Note: Bytes 2048 and up are currently used by the RS02/RS03 codec
for a copy of the first ecc blocks CRC sums. */
} EccHeader;
/***
*** The CRC block data structure
***
* RS03 uses this data structure in its CRC layer.
*/
typedef struct _CrcBlock
{ guint32 crc[256]; /* Checksum for the data sectors */
gint8 cookie[12]; /* "*dvdisaster*" */
gint8 method[4]; /* e.g. "RS03" */
gint8 methodFlags[4]; /* 0-2 for free use by the respective methods; 3 see above */
gint32 creatorVersion; /* which dvdisaster version created this */
gint32 neededVersion; /* oldest version which can decode this file */
gint32 fpSector; /* sector used to calculate mediumFP */
guint8 mediumFP[16]; /* fingerprint of FINGERPRINT SECTOR */
guint8 mediumSum[16]; /* complete md5sum of whole medium */
aligned_guint64 dataSectors;/* number of sectors of the payload (e.g. iso file sys) */
gint32 inLast; /* bytes contained in last sector */
gint32 dataBytes; /* data bytes per ecc block */
gint32 eccBytes; /* ecc bytes per ecc block */
aligned_guint64 sectorsPerLayer; /* for recalculation of layout */
guint32 selfCRC; /* CRC32 of ourself, zero padded to 2048 bytes */
} CrcBlock;
/***
*** forward declarations
***/
@@ -524,6 +557,7 @@ void RedrawCurve(Curve*, int);
***/
void HexDump(unsigned char*, int, int);
void LaTeXify(gint32*, int, int);
void CopySector(char*);
void Byteset(char*);
void Erase(char*);
@@ -551,8 +585,11 @@ enum
void CreateMissingSector(unsigned char*, gint64, unsigned char*, gint64, char*);
int CheckForMissingSector(unsigned char*, gint64, unsigned char*, gint64);
int CheckForMissingSectors(unsigned char*, gint64, unsigned char*, gint64, int, gint64*);
void ExplainMissingSector(unsigned char*, gint64, int, int);
void CreatePaddingSector(unsigned char*, gint64, unsigned char*, gint64);
/***
*** endian.c
***/
@@ -561,6 +598,7 @@ guint32 SwapBytes32(guint32);
guint64 SwapBytes64(guint64);
void SwapEccHeaderBytes(EccHeader*);
void SwapDefectiveHeaderBytes(struct _DefectiveSectorHeader*);
void SwapCrcBlockBytes(CrcBlock*);
/***
*** file.c
@@ -635,7 +673,8 @@ typedef struct _ReedSolomonTables
gint32 ndata; /* data bytes per ecc block */
gint32 shiftInit; /* starting value for iteratively processing parity */
guint8 *bLut[GF_FIELDSIZE]; /* experimental 8bit lookup table */
guint8 *bLut[GF_FIELDSIZE]; /* 8bit encoder lookup table */
guint8 *synLut; /* Syndrome calculation speedup */
} ReedSolomonTables;
GaloisTables* CreateGaloisTables(gint32);
@@ -868,11 +907,14 @@ GtkWidget* CreateToolBar(GtkWidget*);
typedef struct _Method
{ char name[4]; /* Method name tag */
guint32 properties; /* see definition above */
char *description; /* Fulltext description */
char *menuEntry; /* Text for use in preferences menu */
void (*create)(struct _Method*); /* Creates an error correction file */
void (*fix)(struct _Method*); /* Fixes a damaged image */
void (*verify)(struct _Method*); /* Verifies image with ecc data */
int (*recognizeEccFile)(struct _Method*, LargeFile*); /* checks whether we can handle this ecc file */
int (*recognizeEccImage)(struct _Method*, LargeFile*); /* checks whether we can handle this augmented image */
void (*createVerifyWindow)(struct _Method*, GtkWidget*);
void (*createCreateWindow)(struct _Method*, GtkWidget*);
void (*createFixWindow)(struct _Method*, GtkWidget*);
@@ -885,7 +927,7 @@ typedef struct _Method
void (*destroy)(struct _Method*);
int tabWindowIndex; /* our position in the (invisible) notebook */
void *widgetList; /* linkage to window system */
EccHeader *lastEh; /* copy of EccHeader from last EccFileMethod() call */
EccHeader *lastEh; /* copy of EccHeader from last EccMethod() call */
} Method;
void BindMethods(void); /* created by configure in method-link.c */
@@ -894,8 +936,7 @@ void CollectMethods(void);
void RegisterMethod(Method*);
void ListMethods(void);
Method* FindMethod(char*);
EccHeader* FindHeaderInImage(char*);
Method *EccFileMethod(int);
Method *EccMethod(int);
void CallMethodDestructors(void);
/***
@@ -915,6 +956,7 @@ void PrintLog(char*, ...);
void Verbose(char*, ...);
void PrintTimeToLog(GTimer*, char*, ...);
void PrintProgress(char*, ...);
void ClearProgress(void);
void PrintCLIorLabel(GtkLabel*, char*, ...);
void LogWarning(char*, ...);
@@ -943,6 +985,9 @@ void TimedInsensitive(GtkWidget*, int);
int GetLabelWidth(GtkLabel*, char*, ...);
void LockLabelSize(GtkLabel*, char*, ...);
int ConfirmImageDeletion(char *);
int ConfirmEccDeletion(char *);
/***
*** preferences.c
***/
@@ -952,7 +997,8 @@ void UpdateMethodPreferences(void);
void HidePreferences(void);
void FreePreferences(void*);
void UpdatePrefsQuerySize(void);
void UpdatePrefsExhaustiveSearch(void);
void UpdatePrefsConfirmDeletion(void);
void RegisterPreferencesHelpWindow(LabelWithOnlineHelp*);
/***
@@ -1150,16 +1196,18 @@ typedef struct _AlignedBuffer
AlignedBuffer *CreateAlignedBuffer(int);
void FreeAlignedBuffer(AlignedBuffer*);
void OpenAspi(void);
void CloseAspi(void);
void ListAspiDrives(void);
char* DefaultDevice(void);
gint64 CurrentImageSize(void);
gint64 CurrentImageCapacity(void);
int SendReadCDB(char*, unsigned char*, unsigned char*, int, int);
/***
*** rs-decoder.c
***/
int TestErrorSyndromes(ReedSolomonTables*, unsigned char*);
/***
*** rs-encoder.c and friends
***/