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BigTIFF upgrade in progress - widespread temp mess - does not compile now

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This commit is contained in:
Joris Van Damme 2007-05-31 13:33:50 +00:00
parent c81185549e
commit 2258bc2217
3 changed files with 97 additions and 87 deletions
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162
libtiff/tif_jpeg.c
View File

@ -1,4 +1,4 @@
/* $Id: tif_jpeg.c,v 1.60 2007-05-30 13:53:18 joris Exp $ */
/* $Id: tif_jpeg.c,v 1.61 2007-05-31 13:33:50 joris Exp $ */
/*
* Copyright (c) 1994-1997 Sam Leffler
@ -645,14 +645,14 @@ struct JPEGFixupTagsSubsamplingData
uint8* buffercurrentbyte;
uint32 bufferbytesleft;
uint64_new fileoffset;
uint8 filepositioned;
uint64_new filebytesleft;
uint8 filepositioned;
};
static void JPEGFixupTagsSubsampling(TIFF* tif);
static int JPEGFixupTagsSubsamplingSec(struct JPEGFixupTagsSubsamplingData* Data);
static int JPEGFixupTagsSubsamplingReadByte(struct JPEGFixupTagsSubsamplingData* Data, uint8* Result);
static int JPEGFixupTagsSubsamplingReadWord(struct JPEGFixupTagsSubsamplingData* Data, uint16* Result);
static void JPEGFixupTagsSubsamplingSkip(struct JPEGFixupTagsSubsamplingData* Data, uint16 Skiplength);
static int JPEGFixupTagsSubsamplingSec(struct JPEGFixupTagsSubsamplingData* data);
static int JPEGFixupTagsSubsamplingReadByte(struct JPEGFixupTagsSubsamplingData* data, uint8* result);
static int JPEGFixupTagsSubsamplingReadWord(struct JPEGFixupTagsSubsamplingData* data, uint16* result);
static void JPEGFixupTagsSubsamplingSkip(struct JPEGFixupTagsSubsamplingData* data, uint16 skiplength);
#endif
@ -660,7 +660,9 @@ static int
JPEGFixupTags(TIFF* tif)
{
#ifdef CHECK_JPEG_YCBCR_SUBSAMPLING
if (tif->tif_dir.td_samplesperpixel>1)
if ((tif->tif_dir.td_photometric==PHOTOMETRIC_YCBCR)&&
(tif->tif_dir.td_planarconfig==PLANARCONFIG_CONTIG)&&
(tif->tif_dir.td_samplesperpixel==3))
JPEGFixupTagsSubsampling(tif);
#endif
return(1);
@ -671,7 +673,6 @@ JPEGFixupTags(TIFF* tif)
static void
JPEGFixupTagsSubsampling(TIFF* tif)
{
static const char module[] = "JPEGFixupTagsSubsampling";
/*
* Some JPEG-in-TIFF produces do not emit the YCBCRSUBSAMPLING values in
* the TIFF tags, but still use non-default (2,2) values within the jpeg
@ -692,13 +693,15 @@ JPEGFixupTagsSubsampling(TIFF* tif)
* Frank Warmerdam, July 2002
* Joris Van Damme, May 2007
*/
static const char module[] = "JPEGFixupTagsSubsampling";
struct JPEGFixupTagsSubsamplingData m;
m.tif=tif;
m.buffersize=2048;
m.buffer=_TIFFmalloc(m.buffersize);
if (m.buffer==NULL)
{
TIFFWarningExt(tif->tif_clientdata,module,"Unable to allocate memory for auto-correcting of subsampling values, auto-correcting skipped");
TIFFWarningExt(tif->tif_clientdata,module,
"Unable to allocate memory for auto-correcting of subsampling values; auto-correcting skipped");
return;
}
m.buffercurrentbyte=NULL;
@ -707,32 +710,33 @@ JPEGFixupTagsSubsampling(TIFF* tif)
m.filepositioned=0;
m.filebytesleft=tif->tif_dir.td_stripbytecount[0];
if (!JPEGFixupTagsSubsamplingSec(&m))
TIFFWarningExt(tif->tif_clientdata,module,"Unable to auto-correct subsampling values, possibly corrupt JPEG compressed data");
TIFFWarningExt(tif->tif_clientdata,module,
"Unable to auto-correct subsampling values, likely corrupt JPEG compressed data in first strip/tile; auto-correcting skipped");
_TIFFfree(m.buffer);
}
static int
JPEGFixupTagsSubsamplingSec(struct JPEGFixupTagsSubsamplingData* Data)
JPEGFixupTagsSubsamplingSec(struct JPEGFixupTagsSubsamplingData* data)
{
static const char module[] = "JPEGFixupTagsSubsamplingSec";
uint8 n;
uint8 m;
while (1)
{
while (1)
{
if (!JPEGFixupTagsSubsamplingReadByte(Data,&n))
if (!JPEGFixupTagsSubsamplingReadByte(data,&m))
return(0);
if (n==255)
if (m==255)
break;
}
while (1)
{
if (!JPEGFixupTagsSubsamplingReadByte(Data,&n))
if (!JPEGFixupTagsSubsamplingReadByte(data,&m))
return(0);
if (n!=255)
if (m!=255)
break;
}
switch (n)
switch (m)
{
case JPEG_MARKER_SOI:
/* this type of marker has no data and should be skipped */
@ -759,64 +763,64 @@ JPEGFixupTagsSubsamplingSec(struct JPEGFixupTagsSubsamplingData* Data)
case JPEG_MARKER_DRI:
/* this type of marker has data, but it has no use to us and should be skipped */
{
uint16 o;
if (!JPEGFixupTagsSubsamplingReadWord(Data,&o))
uint16 n;
if (!JPEGFixupTagsSubsamplingReadWord(data,&n))
return(0);
if (o<2)
if (n<2)
return(0);
o-=2;
if (o>0)
JPEGFixupTagsSubsamplingSkip(Data,o);
n-=2;
if (n>0)
JPEGFixupTagsSubsamplingSkip(data,n);
}
break;
case JPEG_MARKER_SOF0:
/* this marker contains the subsampling factors we're scanning for */
{
uint16 n;
uint16 o;
uint8 p;
uint8 q;
uint8 qh,qv;
if (!JPEGFixupTagsSubsamplingReadWord(Data,&o))
uint8 ph,pv;
if (!JPEGFixupTagsSubsamplingReadWord(data,&n))
return(0);
if (o!=8+Data->tif->tif_dir.td_samplesperpixel*3)
if (n!=8+data->tif->tif_dir.td_samplesperpixel*3)
return(0);
JPEGFixupTagsSubsamplingSkip(Data,6);
for (p=0; p<Data->tif->tif_dir.td_samplesperpixel; p++)
JPEGFixupTagsSubsamplingSkip(data,6);
for (o=0; o<data->tif->tif_dir.td_samplesperpixel; o++)
{
JPEGFixupTagsSubsamplingSkip(Data,1);
if (!JPEGFixupTagsSubsamplingReadByte(Data,&q))
JPEGFixupTagsSubsamplingSkip(data,1);
if (!JPEGFixupTagsSubsamplingReadByte(data,&p))
return(0);
if (p==0)
if (o==0)
{
qh=(q>>4);
qv=(q&15);
ph=(p>>4);
pv=(p&15);
}
else
{
if (q!=0x11)
if (p!=0x11)
{
TIFFWarningExt(Data->tif->tif_clientdata,module,
TIFFWarningExt(data->tif->tif_clientdata,module,
"Subsampling values inside JPEG compressed data have no TIFF equivalent, auto-correction of TIFF subsampling values failed");
return(1);
}
}
JPEGFixupTagsSubsamplingSkip(Data,1);
JPEGFixupTagsSubsamplingSkip(data,1);
}
if (((qh!=1)&&(qh!=2)&&(qh!=4))||((qv!=1)&&(qv!=2)&&(qv!=4)))
if (((ph!=1)&&(ph!=2)&&(ph!=4))||((pv!=1)&&(pv!=2)&&(pv!=4)))
{
TIFFWarningExt(Data->tif->tif_clientdata,module,
TIFFWarningExt(data->tif->tif_clientdata,module,
"Subsampling values inside JPEG compressed data have no TIFF equivalent, auto-correction of TIFF subsampling values failed");
return(1);
}
if ((qh!=Data->tif->tif_dir.td_ycbcrsubsampling[0])||(qv!=Data->tif->tif_dir.td_ycbcrsubsampling[1]))
if ((ph!=data->tif->tif_dir.td_ycbcrsubsampling[0])||(pv!=data->tif->tif_dir.td_ycbcrsubsampling[1]))
{
TIFFWarningExt(Data->tif->tif_clientdata,module,
TIFFWarningExt(data->tif->tif_clientdata,module,
"Auto-corrected former TIFF subsampling values [%d,%d] to match subsampling values inside JPEG compressed data [%d,%d]",
(uint32)Data->tif->tif_dir.td_ycbcrsubsampling[0],
(uint32)Data->tif->tif_dir.td_ycbcrsubsampling[1],
(uint32)qh,(uint32)qv);
Data->tif->tif_dir.td_ycbcrsubsampling[0]=qh;
Data->tif->tif_dir.td_ycbcrsubsampling[1]=qv;
(int)data->tif->tif_dir.td_ycbcrsubsampling[0],
(int)data->tif->tif_dir.td_ycbcrsubsampling[1],
(int)ph,(int)pv);
data->tif->tif_dir.td_ycbcrsubsampling[0]=ph;
data->tif->tif_dir.td_ycbcrsubsampling[1]=pv;
}
}
return(1);
@ -827,70 +831,70 @@ JPEGFixupTagsSubsamplingSec(struct JPEGFixupTagsSubsamplingData* Data)
}
static int
JPEGFixupTagsSubsamplingReadByte(struct JPEGFixupTagsSubsamplingData* Data, uint8* Result)
JPEGFixupTagsSubsamplingReadByte(struct JPEGFixupTagsSubsamplingData* data, uint8* result)
{
if (Data->bufferbytesleft==0)
if (data->bufferbytesleft==0)
{
uint32 m;
if (Data->filebytesleft==0)
if (data->filebytesleft==0)
return(0);
if (!Data->filepositioned)
if (!data->filepositioned)
{
TIFFSeekFile(Data->tif,Data->fileoffset,SEEK_SET);
Data->filepositioned=1;
TIFFSeekFile(data->tif,data->fileoffset,SEEK_SET);
data->filepositioned=1;
}
m=Data->buffersize;
if ((uint64_new)m>Data->filebytesleft)
m=(uint32)Data->filebytesleft;
if (TIFFReadFile(Data->tif,Data->buffer,m)!=m)
m=data->buffersize;
if ((uint64_new)m>data->filebytesleft)
m=(uint32)data->filebytesleft;
if (TIFFReadFile(data->tif,data->buffer,m)!=m)
return(0);
Data->buffercurrentbyte=Data->buffer;
Data->bufferbytesleft=m;
Data->fileoffset+=m;
Data->filebytesleft-=m;
data->buffercurrentbyte=data->buffer;
data->bufferbytesleft=m;
data->fileoffset+=m;
data->filebytesleft-=m;
}
*Result=*Data->buffercurrentbyte;
Data->buffercurrentbyte++;
Data->bufferbytesleft--;
*result=*data->buffercurrentbyte;
data->buffercurrentbyte++;
data->bufferbytesleft--;
return(1);
}
static int
JPEGFixupTagsSubsamplingReadWord(struct JPEGFixupTagsSubsamplingData* Data, uint16* Result)
JPEGFixupTagsSubsamplingReadWord(struct JPEGFixupTagsSubsamplingData* data, uint16* result)
{
uint8 ma;
uint8 mb;
if (!JPEGFixupTagsSubsamplingReadByte(Data,&ma))
if (!JPEGFixupTagsSubsamplingReadByte(data,&ma))
return(0);
if (!JPEGFixupTagsSubsamplingReadByte(Data,&mb))
if (!JPEGFixupTagsSubsamplingReadByte(data,&mb))
return(0);
*Result=(ma<<8)|mb;
*result=(ma<<8)|mb;
return(1);
}
static void
JPEGFixupTagsSubsamplingSkip(struct JPEGFixupTagsSubsamplingData* Data, uint16 Skiplength)
JPEGFixupTagsSubsamplingSkip(struct JPEGFixupTagsSubsamplingData* data, uint16 skiplength)
{
if (Skiplength<=Data->bufferbytesleft)
if ((uint32)skiplength<=data->bufferbytesleft)
{
Data->buffercurrentbyte+=Skiplength;
Data->bufferbytesleft-=Skiplength;
data->buffercurrentbyte+=skiplength;
data->bufferbytesleft-=skiplength;
}
else
{
uint16 m;
m=Skiplength-Data->bufferbytesleft;
if (m<=Data->filebytesleft)
m=skiplength-data->bufferbytesleft;
if (m<=data->filebytesleft)
{
Data->bufferbytesleft=0;
Data->fileoffset+=m;
Data->filebytesleft-=m;
Data->filepositioned=0;
data->bufferbytesleft=0;
data->fileoffset+=m;
data->filebytesleft-=m;
data->filepositioned=0;
}
else
{
Data->bufferbytesleft=0;
Data->filebytesleft=0;
data->bufferbytesleft=0;
data->filebytesleft=0;
}
}
}

12
libtiff/tif_strip.c
View File

@ -1,4 +1,4 @@
/* $Id: tif_strip.c,v 1.24 2007-05-11 14:41:01 joris Exp $ */
/* $Id: tif_strip.c,v 1.25 2007-05-31 13:33:51 joris Exp $ */
/*
* Copyright (c) 1991-1997 Sam Leffler
@ -139,8 +139,10 @@ TIFFVStripSize64(TIFF* tif, uint32 nrows)
uint64_new samplingrow_samples;
uint64_new samplingrow_size;
assert(td->td_samplesperpixel==3);
TIFFGetField(tif,TIFFTAG_YCBCRSUBSAMPLING,ycbcrsubsampling+0,
TIFFGetFieldDefaulted(tif,TIFFTAG_YCBCRSUBSAMPLING,ycbcrsubsampling+0,
ycbcrsubsampling+1);
assert((ycbcrsubsampling[0]==1)||(ycbcrsubsampling[0]==2)||(ycbcrsubsampling[0]==4));
assert((ycbcrsubsampling[1]==1)||(ycbcrsubsampling[1]==2)||(ycbcrsubsampling[1]==4));
if (ycbcrsubsampling[0]*ycbcrsubsampling[1]==0)
{
TIFFErrorExt(tif->tif_clientdata,module,
@ -300,7 +302,9 @@ TIFFScanlineSize64(TIFF* tif)
uint64_new scanline_size;
if (td->td_planarconfig==PLANARCONFIG_CONTIG)
{
if ((td->td_photometric==PHOTOMETRIC_YCBCR)&&(!isUpSampled(tif)))
if ((td->td_photometric==PHOTOMETRIC_YCBCR)&&
(td->td_samplesperpixel==3)&&
(!isUpSampled(tif)))
{
uint16 ycbcrsubsampling[2];
uint16 samplingblock_samples;
@ -308,7 +312,7 @@ TIFFScanlineSize64(TIFF* tif)
uint64_new samplingrow_samples;
uint64_new samplingrow_size;
assert(td->td_samplesperpixel==3);
TIFFGetField(tif,TIFFTAG_YCBCRSUBSAMPLING,ycbcrsubsampling+0,
TIFFGetFieldDefaulted(tif,TIFFTAG_YCBCRSUBSAMPLING,ycbcrsubsampling+0,
ycbcrsubsampling+1);
assert((ycbcrsubsampling[0]==1)||(ycbcrsubsampling[0]==2)||(ycbcrsubsampling[0]==4));
assert((ycbcrsubsampling[1]==1)||(ycbcrsubsampling[1]==2)||(ycbcrsubsampling[1]==4));

10
libtiff/tif_tile.c
View File

@ -1,4 +1,4 @@
/* $Id: tif_tile.c,v 1.16 2007-04-04 04:16:08 joris Exp $ */
/* $Id: tif_tile.c,v 1.17 2007-05-31 13:33:51 joris Exp $ */
/*
* Copyright (c) 1991-1997 Sam Leffler
@ -222,7 +222,8 @@ TIFFVTileSize64(TIFF* tif, uint32 nrows)
td->td_tiledepth == 0)
return (0);
if ((td->td_planarconfig==PLANARCONFIG_CONTIG)&&
(td->td_photometric == PHOTOMETRIC_YCBCR)&&
(td->td_photometric==PHOTOMETRIC_YCBCR)&&
(td->td_samplesperpixel==3)&&
(!isUpSampled(tif)))
{
/*
@ -239,9 +240,10 @@ TIFFVTileSize64(TIFF* tif, uint32 nrows)
uint32 samplingblocks_ver;
uint64_new samplingrow_samples;
uint64_new samplingrow_size;
assert(td->td_samplesperpixel==3);
TIFFGetField(tif,TIFFTAG_YCBCRSUBSAMPLING,ycbcrsubsampling+0,
TIFFGetFieldDefaulted(tif,TIFFTAG_YCBCRSUBSAMPLING,ycbcrsubsampling+0,
ycbcrsubsampling+1);
assert((ycbcrsubsampling[0]==1)||(ycbcrsubsampling[0]==2)||(ycbcrsubsampling[0]==4));
assert((ycbcrsubsampling[1]==1)||(ycbcrsubsampling[1]==2)||(ycbcrsubsampling[1]==4));
if (ycbcrsubsampling[0]*ycbcrsubsampling[1]==0)
{
TIFFErrorExt(tif->tif_clientdata,module,