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Imported Upstream version 0.79.2

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This commit is contained in:
Rogério Brito
2010-11-06 20:36:40 -02:00
parent 294f8623c4
commit 555c0daf7d
855 changed files with 28909 additions and 12770 deletions
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108
dvdisaster.h
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@@ -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
***/