218 lines
6.4 KiB
C
218 lines
6.4 KiB
C
/* dvdisaster: Additional error correction for optical media.
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* Copyright (C) 2004-2015 Carsten Gnoerlich.
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*
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* Email: carsten@dvdisaster.org -or- cgnoerlich@fsfe.org
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* Project homepage: http://www.dvdisaster.org
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*
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* This file is part of dvdisaster.
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*
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* dvdisaster is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* dvdisaster is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with dvdisaster. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef RS03INCLUDES_H
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#define RS03INCLUDES_H
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/* Data structs from rs03-window.c */
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typedef struct
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{
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/*** Widgets for RS03 encoding */
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GtkWidget *encHeadline;
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GtkWidget *encLabel1;
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GtkWidget *encPBar1;
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GtkWidget *encLabel2;
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GtkWidget *encPBar2;
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GtkWidget *encLabel3;
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GtkWidget *encThreads;
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GtkWidget *encLabel4;
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GtkWidget *encPerformance;
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GtkWidget *encLabel5;
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GtkWidget *encBottleneck;
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GtkWidget *encFootline;
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GtkWidget *encFootline2;
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/*** Widgets for RS03 fixing */
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GtkWidget *fixHeadline;
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GtkWidget *fixDrawingArea;
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GtkWidget *fixNotebook;
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GtkWidget *fixFootline;
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GtkWidget *fixFootlineBox;
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GtkWidget *fixCorrected;
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GtkWidget *fixProgress;
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GtkWidget *fixUncorrected;
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Curve *fixCurve;
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/*** Widgets for RS03 verify action */
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GtkWidget *cmpHeadline;
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GtkWidget *cmpDrawingArea;
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GtkWidget *cmpChkSumErrors;
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GtkWidget *cmpMissingSectors;
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Spiral *cmpSpiral;
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PangoLayout *cmpLayout;
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GtkWidget *cmpImageNotebook;
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GtkWidget *cmpImageSectors;
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GtkWidget *cmpImageMd5Sum;
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GtkWidget *cmpDataSection;
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GtkWidget *cmpCrcSection;
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GtkWidget *cmpEccSection;
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GtkWidget *cmpImageErasure;
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GtkWidget *cmpImagePrognosis;
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GtkWidget *cmpImageErasureCnt;
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GtkWidget *cmpImagePrognosisMsg;
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GtkWidget *cmpImageResult;
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GtkWidget *cmpEccCreatedBy;
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GtkWidget *cmpEccMethod;
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GtkWidget *cmpEccType;
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GtkWidget *cmpEccRequires;
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GtkWidget *cmpEccDataCrc;
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GtkWidget *cmpEccDataCrcVal;
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GtkWidget *cmpEccFingerprint;
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GtkWidget *cmpEccResult;
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GtkWidget *cmpEccSynLabel;
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GtkWidget *cmpEccSyndromes;
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/*** Widgets in the Preferences window */
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GtkWidget *eccFileA, *eccFileB;
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GtkWidget *eccImageA, *eccImageB;
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GtkWidget *radio1A,*radio2A,*radio3A,*radio4A;
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GtkWidget *radio1B,*radio2B,*radio3B,*radio4B;
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GtkWidget *radio4LabelA, *radio4LabelB;
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GtkWidget *redundancyNotebook;
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GtkWidget *redundancyScaleA, *redundancyScaleB;
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GtkWidget *redundancySpinA, *redundancySpinB;
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GtkWidget *prefetchScaleA, *prefetchScaleB;
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GtkWidget *threadsScaleA, *threadsScaleB;
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GtkWidget *eaRadio1A,*eaRadio2A,*eaRadio3A,*eaRadio4A;
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GtkWidget *eaRadio1B,*eaRadio2B,*eaRadio3B,*eaRadio4B;
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GtkWidget *ioRadio1A,*ioRadio2A;
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GtkWidget *ioRadio1B,*ioRadio2B;
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LabelWithOnlineHelp *prefetchLwoh;
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LabelWithOnlineHelp *threadsLwoh;
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/*** Some state vars used during fixing */
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gint64 corrected;
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gint64 uncorrected;
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gint64 nSectors;
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int eccBytes;
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int dataBytes;
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int percent, lastPercent;
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} RS03Widgets;
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/*
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* local working closure for internal checksums
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*/
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typedef struct
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{ struct _RS03Layout *lay; /* Codec data layout */
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guint64 signatureErrors; /* number of Checksum with invalid sigs */
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} RS03CksumClosure;
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/*
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* These are exported via the Method struct
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*/
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void CreateRS03EncWindow(Method*, GtkWidget*);
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void CreateRS03FixWindow(Method*, GtkWidget*);
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void CreateRS03PrefsPage(Method*, GtkWidget*);
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void ResetRS03EncWindow(Method*);
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void ResetRS03FixWindow(Method*);
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void ResetRS03PrefsPage(Method*);
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void ReadRS03Preferences(Method*);
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void ResetRS03VerifyWindow(Method*);
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void CreateRS03VerifyWindow(Method*, GtkWidget*);
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/*
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* These are exported (resp. only used) in ecc-rs03.c and rs03*.c
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* and should not be called from somewhere else as we can not
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* rely on the method plug-in being available.
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* If you need similar functions in your own codec,
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* please copy these functions over to the respective plug-in.
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*/
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/* rs03-common.c */
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typedef struct _RS03Layout
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{ EccHeader *eh; /* header for this image/ecc file */
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guint64 dataSectors; /* number of sectors used for image data */
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guint64 dataPadding; /* padding sectors in last data layer */
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guint64 totalSectors; /* data+padding+header+crc+ecc */
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guint64 sectorsPerLayer; /* sectors per RS layer (the are ndata layers) */
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guint64 mediumCapacity; /* selected medium capacity */
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guint64 eccHeaderPos; /* location of first ecc header */
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guint64 firstCrcPos; /* location of first crc sector */
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guint64 firstEccPos; /* location of first ecc sector */
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int nroots,ndata; /* RS encoding specification */
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int inLast; /* contents of last image file sector */
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double redundancy; /* resulting redundancy */
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int target; /* 0: ecc file; 1: augmented image */
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} RS03Layout;
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#define RS03_READ_NOTHING 0x00
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#define RS03_READ_DATA 0x01
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#define RS03_READ_CRC 0x02
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#define RS03_READ_ECC 0x04
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#define RS03_READ_ALL 0x07
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CrcBuf *RS03GetCrcBuf(Image *image);
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void RS03ReadSectors(Image*, RS03Layout*, unsigned char*, gint64, gint64, gint64, int);
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gint64 RS03SectorIndex(RS03Layout*, gint64, gint64);
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RS03Layout *CalcRS03Layout(Image*, int);
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guint64 RS03ExpectedImageSize(Image*);
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void WriteRS03Header(LargeFile*, RS03Layout*, EccHeader*);
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void ReconstructRS03Header(EccHeader*, CrcBlock*);
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/* rs03-create.c */
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void RS03Create(void);
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/* rs03-fix.c */
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void RS03Fix(Image*);
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/* rs03-recognize.c */
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int RS03RecognizeFile(LargeFile*, EccHeader**);
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int RS03RecognizeImage(Image*);
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/* rs03-window.c */
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void RS03AddFixValues(RS03Widgets*, int, int);
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void RS03SetFixMaxValues(RS03Widgets*, int, int, gint64);
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void RS03UpdateFixResults(RS03Widgets*, gint64, gint64);
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/* rs03-verify.c */
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#define VERIFY_IMAGE_SEGMENTS 1000
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void RS03Verify(Image*);
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/* temporary single threaded versions */
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void RS03SCreate(void);
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void CreateRS03SEncWindow(Method*, GtkWidget*);
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void ResetRS03SEncWindow(Method*);
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#endif
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