206 lines
6.5 KiB
C
206 lines
6.5 KiB
C
/* dvdisaster: Additional error correction for optical media.
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* Copyright (C) 2004-2017 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 RS02INCLUDES_H
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#define RS02INCLUDES_H
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#ifndef CLI
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/* Data structs from rs02-window.c */
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typedef struct
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{
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/*** Widgets for RS02 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 *encFootline;
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GtkWidget *encFootline2;
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/*** Widgets for RS02 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 RS02 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 *cmpImageSectors;
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GtkWidget *cmpImageMd5Sum;
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GtkWidget *cmpEccHeaders;
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GtkWidget *cmpDataSection;
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GtkWidget *cmpCrcSection;
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GtkWidget *cmpEccSection;
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GtkWidget *cmpImageResult;
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GtkWidget *cmpEccNotebook;
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GtkWidget *cmpEccCreatedBy;
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GtkWidget *cmpEccMethod;
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GtkWidget *cmpEccRequires;
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GtkWidget *cmpEccMediumSectors;
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GtkWidget *cmpEcc1Name;
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GtkWidget *cmpEcc2Name;
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GtkWidget *cmpEcc3Name;
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GtkWidget *cmpEcc1Msg;
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GtkWidget *cmpEcc2Msg;
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GtkWidget *cmpEcc3Msg;
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GtkWidget *cmpEccResult;
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/*** Widgets in the Preferences window */
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GtkWidget *radio1A, *radio1B, *radio2A, *radio2B;
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GtkWidget *cdButtonA, *dvdButton1A, *dvdButton2A, *bdButton1A, *bdButton2A, *bdButton3A, *bdButton4A;
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GtkWidget *cdButtonB, *dvdButton1B, *dvdButton2B, *bdButton1B, *bdButton2B, *bdButton3B, *bdButton4B;
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GtkWidget *cdUndoButtonA, *dvdUndoButton1A, *dvdUndoButton2A, *bdUndoButton1A, *bdUndoButton2A, *bdUndoButton3A, *bdUndoButton4A;
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GtkWidget *cdUndoButtonB, *dvdUndoButton1B, *dvdUndoButton2B, *bdUndoButton1B, *bdUndoButton2B, *bdUndoButton3B, *bdUndoButton4B;
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GtkWidget *cdEntryA, *dvdEntry1A, *dvdEntry2A, *bdEntry1A, *bdEntry2A, *bdEntry3A, *bdEntry4A, *otherEntryA;
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GtkWidget *cdEntryB, *dvdEntry1B, *dvdEntry2B, *bdEntry1B, *bdEntry2B, *bdEntry3B, *bdEntry4B, *otherEntryB;
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GtkWidget *cacheScaleA, *cacheScaleB;
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LabelWithOnlineHelp *cacheLwoh;
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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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} RS02Widgets;
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#endif
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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 _RS02Layout *lay; /* Codec data layout */
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struct MD5Context md5ctxt; /* Complete image checksum (currently unused) */
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struct MD5Context dataCtxt; /* md5sum of original iso image portion */
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struct MD5Context crcCtxt;
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struct MD5Context eccCtxt;
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struct MD5Context metaCtxt;
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} RS02CksumClosure;
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/*
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* These are exported via the Method struct
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*/
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#ifndef CLI
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void CreateRS02EncWindow(Method*, GtkWidget*);
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void CreateRS02FixWindow(Method*, GtkWidget*);
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void CreateRS02PrefsPage(Method*, GtkWidget*);
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void ResetRS02EncWindow(Method*);
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void ResetRS02FixWindow(Method*);
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void ResetRS02PrefsPage(Method*);
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void ReadRS02Preferences(Method*);
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void ResetRS02VerifyWindow(Method*);
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void CreateRS02VerifyWindow(Method*, GtkWidget*);
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#endif
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/*
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* These are exported (resp. only used) in ecc-rs02.c and rs02*.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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/* rs02-common.c */
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typedef struct _RS02Layout
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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 crcSectors; /* number of sectors needed for CRC32 sector checkums */
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guint64 firstEccHeader; /* location of first ecc header */
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guint64 headers; /* number of ecc header ("master block") repeats */
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guint64 headerModulo; /* Modulo for header repeats */
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guint64 protectedSectors; /* number of sectors protected by Reed-Solomon data */
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guint64 rsSectors; /* number of sectors needed for Reed-Solomon data */
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guint64 eccSectors; /* total number of sectors added to image */
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guint64 sectorsPerLayer; /* sectors per RS layer (the are ndata layers) */
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guint64 firstCrcLayerIndex; /* first slice containing a CRC32 data block */
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guint64 mediumCapacity; /* selected medium capacity */
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int nroots,ndata; /* RS encoding specification */
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double redundancy; /* resulting redundancy */
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} RS02Layout;
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CrcBuf *RS02GetCrcBuf(Image*);
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void RS02ResetCksums(Image*);
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void RS02UpdateCksums(Image*, gint64, unsigned char*);
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int RS02FinalizeCksums(Image*);
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void RS02ReadSector(Image*, RS02Layout*, unsigned char*, gint64);
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gint64 RS02EccSectorIndex(RS02Layout*, gint64, gint64);
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gint64 RS02SectorIndex(RS02Layout*, gint64, gint64);
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void RS02SliceIndex(RS02Layout*, gint64, gint64*, gint64*);
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RS02Layout *CalcRS02Layout(Image*);
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RS02Layout *RS02LayoutFromImage(Image*);
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guint64 RS02ExpectedImageSize(Image*);
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void WriteRS02Headers(LargeFile*, RS02Layout*, EccHeader*);
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/* rs02-create.c */
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void RS02Create(void);
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/* rs02-fix.c */
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void RS02Fix(Image*);
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/* rs02-recognize.c */
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int RS02Recognize(Image*);
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#ifndef CLI
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/* rs02-window.c */
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void RS02AddFixValues(RS02Widgets*, int, int);
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void RS02SetFixMaxValues(RS02Widgets*, int, int, gint64);
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void RS02UpdateFixResults(RS02Widgets*, gint64, gint64);
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#endif
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/* rs02-verify.c */
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#define VERIFY_IMAGE_SEGMENTS 1000
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void RS02Verify(Image*);
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#endif
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