generic-library/openjpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[trunk] continue work on getting API to use off_t instead of long toward LFS support in JPIP (j2kheader_manager)

Browse Source
This commit is contained in:
Mathieu Malaterre 2012-03-26 13:47:52 +00:00
parent 50a68d7d59
commit 45d11c53f0
1 changed files with 26 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
applications/jpip/libopenjpip/j2kheader_manager.c
View File

@ -33,6 +33,7 @@
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <assert.h>
#include "j2kheader_manager.h"
#ifdef SERVER
@ -76,11 +77,12 @@ bool get_mainheader_from_j2kstream( Byte_t *j2kstream, SIZmarker_param_t *SIZ, C
SIZmarker_param_t get_SIZmkrdata_from_j2kstream( Byte_t *SIZstream)
{
SIZmarker_param_t SIZ = {0};
SIZmarker_param_t SIZ;
int i;
if( *SIZstream++ != 0xff || *SIZstream++ != 0x51){
fprintf( FCGI_stderr, "Error, SIZ marker not found in the reconstructed j2kstream\n");
memset( &SIZ, 0, sizeof( SIZ ) );
return SIZ;
}
@ -125,13 +127,13 @@ CODmarker_param_t get_CODmkrdata_from_j2kstream( Byte_t *CODstream)
COD.numOfdecomp = *( CODstream+7);
if(COD.Scod & 0x01){
COD.XPsiz = (Byte4_t *)malloc( (COD.numOfdecomp+1)*sizeof(Byte4_t));
COD.YPsiz = (Byte4_t *)malloc( (COD.numOfdecomp+1)*sizeof(Byte4_t));
COD.XPsiz = (Byte4_t *)malloc( (OPJ_SIZE_T)(COD.numOfdecomp+1)*sizeof(Byte4_t));
COD.YPsiz = (Byte4_t *)malloc( (OPJ_SIZE_T)(COD.numOfdecomp+1)*sizeof(Byte4_t));
for( i=0; i<=COD.numOfdecomp; i++){
/*precinct size */
COD.XPsiz[i] = pow( 2, *( CODstream+12+i) & 0x0F);
COD.YPsiz[i] = pow( 2, (*( CODstream+12+i) & 0xF0) >> 4);
COD.XPsiz[i] = (Byte4_t)pow( 2, *( CODstream+12+i) & 0x0F);
COD.YPsiz[i] = (Byte4_t)pow( 2, (*( CODstream+12+i) & 0xF0) >> 4);
}
}
else{
@ -162,8 +164,8 @@ bool modify_mainheader( Byte_t *j2kstream, int numOfdecomp, SIZmarker_param_t SI
if( !(newLcod = modify_CODmkrstream( COD, numOfdecomp, j2kstream)))
return false;
memmove( j2kstream+2+newLcod, j2kstream+2+COD.Lcod, (*j2klen)-(SIZ.Lsiz+COD.Lcod+6));
*j2klen -= ( COD.Lcod - newLcod);
memmove( j2kstream+2+newLcod, j2kstream+2+COD.Lcod, *j2klen - (Byte8_t)(SIZ.Lsiz+COD.Lcod+6));
*j2klen -= (Byte8_t)( COD.Lcod - newLcod);
return true;
}
@ -178,14 +180,14 @@ bool modify_SIZmkrstream( SIZmarker_param_t SIZ, int difOfdecomplev, Byte_t *SIZ
}
for( i=0; i<difOfdecomplev; i++){
SIZ.Xsiz = ceil( (double)SIZ.Xsiz/2.0);
SIZ.Ysiz = ceil( (double)SIZ.Ysiz/2.0);
SIZ.XOsiz = ceil( (double)SIZ.XOsiz/2.0);
SIZ.YOsiz = ceil( (double)SIZ.YOsiz/2.0);
SIZ.XTsiz = ceil( (double)SIZ.XTsiz/2.0);
SIZ.YTsiz = ceil( (double)SIZ.YTsiz/2.0);
SIZ.XTOsiz = ceil( (double)SIZ.XTOsiz/2.0);
SIZ.YTOsiz = ceil( (double)SIZ.YTOsiz/2.0);
SIZ.Xsiz = (Byte4_t)ceil( (double)SIZ.Xsiz/2.0);
SIZ.Ysiz = (Byte4_t)ceil( (double)SIZ.Ysiz/2.0);
SIZ.XOsiz = (Byte4_t)ceil( (double)SIZ.XOsiz/2.0);
SIZ.YOsiz = (Byte4_t)ceil( (double)SIZ.YOsiz/2.0);
SIZ.XTsiz = (Byte4_t)ceil( (double)SIZ.XTsiz/2.0);
SIZ.YTsiz = (Byte4_t)ceil( (double)SIZ.YTsiz/2.0);
SIZ.XTOsiz = (Byte4_t)ceil( (double)SIZ.XTOsiz/2.0);
SIZ.YTOsiz = (Byte4_t)ceil( (double)SIZ.YTOsiz/2.0);
}
SIZstream += 4; /* skip Lsiz + Rsiz */
@ -206,13 +208,14 @@ Byte2_t modify_CODmkrstream( CODmarker_param_t COD, int numOfdecomp, Byte_t *COD
{
Byte2_t newLcod;
assert( numOfdecomp >= 0 || numOfdecomp <= 255 );
if( *CODstream++ != 0xff || *CODstream++ != 0x52){
fprintf( FCGI_stderr, "Error, COD marker not found in the reconstructed j2kstream\n");
return 0;
}
if( COD.Scod & 0x01){
newLcod = 13+numOfdecomp;
newLcod = (Byte2_t)(13+numOfdecomp);
*CODstream++ = (Byte_t)((Byte2_t)(newLcod & 0xff00) >> 8);
*CODstream++ = (Byte_t)(newLcod & 0x00ff);
@ -246,7 +249,7 @@ bool modify_tileheader( Byte_t *j2kstream, Byte8_t SOToffset, int numOfdecomp, B
}
SOTstream += 4; /* skip Lsot & Isot */
Psot = (SOTstream[0]<<24)+(SOTstream[1]<<16)+(SOTstream[2]<<8)+(SOTstream[3]);
Psot = (Byte4_t)((SOTstream[0]<<24)+(SOTstream[1]<<16)+(SOTstream[2]<<8)+(SOTstream[3]));
Psot_stream = SOTstream;
thstream += 12; /* move to next marker (SOT always 12bytes) */
@ -256,15 +259,15 @@ bool modify_tileheader( Byte_t *j2kstream, Byte8_t SOToffset, int numOfdecomp, B
if( !modify_COCmkrstream( numOfdecomp, thstream, Csiz, &oldLcoc, &newLcoc))
return false;
memmove( thstream+newLcoc+2, thstream+oldLcoc+2, (*j2klen)-(thstream-j2kstream+oldLcoc+2));
*j2klen -= ( oldLcoc - newLcoc);
memmove( thstream+newLcoc+2, thstream+oldLcoc+2, *j2klen - (Byte8_t)(thstream-j2kstream+oldLcoc+2));
*j2klen -= (Byte8_t)( oldLcoc - newLcoc);
}
thstream += 2;
thstream += ((thstream[0]<<8)+(thstream[1])); /* marker length */
}
if( (*j2klen)-SOToffset != Psot){
Psot = (*j2klen)-SOToffset;
Psot = (Byte4_t)((*j2klen)-SOToffset);
modify_4Bytecode( Psot, Psot_stream);
}
return true;
@ -272,20 +275,21 @@ bool modify_tileheader( Byte_t *j2kstream, Byte8_t SOToffset, int numOfdecomp, B
bool modify_COCmkrstream( int numOfdecomp, Byte_t *COCstream, Byte2_t Csiz, Byte2_t *oldLcoc, Byte2_t *newLcoc)
{
if( numOfdecomp < 0 || numOfdecomp > 255 ) return false;
if( *COCstream++ != 0xff || *COCstream++ != 0x53){
fprintf( FCGI_stderr, "Error, COC marker not found in the reconstructed j2kstream\n");
return false;
}
*oldLcoc = big2( COCstream);
*newLcoc = (Csiz < 257 ? 10 : 11) + numOfdecomp;
*newLcoc = (Byte2_t)((Csiz < 257 ? 10 : 11) + numOfdecomp);
*COCstream++ = (Byte_t)((Byte2_t)((*newLcoc) & 0xff00) >> 8);
*COCstream++ = (Byte_t)((*newLcoc) & 0x00ff);
if( Csiz < 257) COCstream +=2; /* skip Ccoc & Scoc */
else COCstream += 3;
*COCstream = numOfdecomp;
*COCstream = (Byte_t)numOfdecomp;
return true;
}