diff options
| author | Mathieu Malaterre <mathieu.malaterre@gmail.com> | 2012-09-28 08:11:41 +0000 |
|---|---|---|
| committer | Mathieu Malaterre <mathieu.malaterre@gmail.com> | 2012-09-28 08:11:41 +0000 |
| commit | d518970039a19a2a9b6d2bdd592cc88a43897bbb (patch) | |
| tree | 57bac2cf7e63e9352228231062763baac627563c /src/lib/openjpip/j2kheader_manager.c | |
| parent | 8363a6ab1e031bb4b2e40a92e56efd40fdab1aa1 (diff) | |
[trunk] Start FolderReorgProposal task
Update issue 177
Diffstat (limited to 'src/lib/openjpip/j2kheader_manager.c')
| -rw-r--r-- | src/lib/openjpip/j2kheader_manager.c | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/src/lib/openjpip/j2kheader_manager.c b/src/lib/openjpip/j2kheader_manager.c new file mode 100644 index 00000000..5a6054cc --- /dev/null +++ b/src/lib/openjpip/j2kheader_manager.c @@ -0,0 +1,295 @@ +/* + * $Id$ + * + * Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium + * Copyright (c) 2002-2011, Professor Benoit Macq + * Copyright (c) 2010-2011, Kaori Hagihara + * Copyright (c) 2011, Lucian Corlaciu, GSoC + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <math.h> +#include <assert.h> +#include "j2kheader_manager.h" + +#ifdef SERVER +#include "fcgi_stdio.h" +#define logstream FCGI_stdout +#else +#define FCGI_stdout stdout +#define FCGI_stderr stderr +#define logstream stderr +#endif /*SERVER */ + + +SIZmarker_param_t get_SIZmkrdata_from_j2kstream( Byte_t *SIZstream); +CODmarker_param_t get_CODmkrdata_from_j2kstream( Byte_t *CODstream); + +bool get_mainheader_from_j2kstream( Byte_t *j2kstream, SIZmarker_param_t *SIZ, CODmarker_param_t *COD) +{ + if( *j2kstream++ != 0xff || *j2kstream++ != 0x4f){ + fprintf( FCGI_stderr, "Error, j2kstream is not starting with SOC marker\n"); + return false; + } + + if( SIZ){ + *SIZ = get_SIZmkrdata_from_j2kstream( j2kstream); + if( SIZ->Lsiz == 0) + return false; + + j2kstream += (SIZ->Lsiz+2); + } + + if( COD){ + if( !SIZ) + j2kstream += (big2( j2kstream+2) + 2); + + *COD = get_CODmkrdata_from_j2kstream( j2kstream); + if( COD->Lcod == 0) + return false; + } + return true; +} + +SIZmarker_param_t get_SIZmkrdata_from_j2kstream( Byte_t *SIZstream) +{ + 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; + } + + SIZ.Lsiz = big2( SIZstream); + SIZ.Rsiz = big2( SIZstream+2); + SIZ.Xsiz = big4( SIZstream+4); + SIZ.Ysiz = big4( SIZstream+8); + SIZ.XOsiz = big4( SIZstream+12); + SIZ.YOsiz = big4( SIZstream+16); + SIZ.XTsiz = big4( SIZstream+20); + SIZ.YTsiz = big4( SIZstream+24); + SIZ.XTOsiz = big4( SIZstream+28); + SIZ.YTOsiz = big4( SIZstream+32); + SIZ.Csiz = big2( SIZstream+36); + + SIZ.XTnum = ( SIZ.Xsiz-SIZ.XTOsiz+SIZ.XTsiz-1)/SIZ.XTsiz; + SIZ.YTnum = ( SIZ.Ysiz-SIZ.YTOsiz+SIZ.YTsiz-1)/SIZ.YTsiz; + + for( i=0; i<(int)SIZ.Csiz; i++){ + SIZ.Ssiz[i] = *(SIZstream+(38+i*3)); + SIZ.XRsiz[i] = *(SIZstream+(39+i*3)); + SIZ.YRsiz[i] = *(SIZstream+(40+i*3)); + } + + return SIZ; +} + +CODmarker_param_t get_CODmkrdata_from_j2kstream( Byte_t *CODstream) +{ + CODmarker_param_t COD; + int i; + + if( *CODstream++ != 0xff || *CODstream++ != 0x52){ + fprintf( FCGI_stderr, "Error, COD marker not found in the reconstructed j2kstream\n"); + return COD; + } + + COD.Lcod = big2( CODstream); + COD.Scod = *( CODstream+2); + COD.prog_order = *( CODstream+3); + COD.numOflayers = big2( CODstream+4); + COD.numOfdecomp = *( CODstream+7); + + if(COD.Scod & 0x01){ + 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] = (Byte4_t)pow( 2, *( CODstream+12+i) & 0x0F); + COD.YPsiz[i] = (Byte4_t)pow( 2, (*( CODstream+12+i) & 0xF0) >> 4); + } + } + else{ + COD.XPsiz = (Byte4_t *)malloc( sizeof(Byte4_t)); + COD.YPsiz = (Byte4_t *)malloc( sizeof(Byte4_t)); + COD.XPsiz[0] = COD.YPsiz[0] = pow(2,15); + } + return COD; +} + + +bool modify_SIZmkrstream( SIZmarker_param_t SIZ, int difOfdecomplev, Byte_t *SIZstream); +Byte2_t modify_CODmkrstream( CODmarker_param_t COD, int numOfdecomp, Byte_t *CODstream); + +bool modify_mainheader( Byte_t *j2kstream, int numOfdecomp, SIZmarker_param_t SIZ, CODmarker_param_t COD, Byte8_t *j2klen) +{ + Byte2_t newLcod; + + if( *j2kstream++ != 0xff || *j2kstream++ != 0x4f){ + fprintf( FCGI_stderr, "Error, j2kstream is not starting with SOC marker\n"); + return false; + } + + if(!modify_SIZmkrstream( SIZ, COD.numOfdecomp-numOfdecomp, j2kstream)) + return false; + + j2kstream += SIZ.Lsiz+2; + if( !(newLcod = modify_CODmkrstream( COD, numOfdecomp, j2kstream))) + return false; + + memmove( j2kstream+2+newLcod, j2kstream+2+COD.Lcod, *j2klen - (Byte8_t)(SIZ.Lsiz+COD.Lcod+6)); + *j2klen -= (Byte8_t)( COD.Lcod - newLcod); + + return true; +} + +bool modify_SIZmkrstream( SIZmarker_param_t SIZ, int difOfdecomplev, Byte_t *SIZstream) +{ + int i; + + if( *SIZstream++ != 0xff || *SIZstream++ != 0x51){ + fprintf( FCGI_stderr, "Error, SIZ marker not found in the reconstructed j2kstream\n"); + return false; + } + + for( i=0; i<difOfdecomplev; i++){ + 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 */ + + modify_4Bytecode( SIZ.Xsiz, SIZstream); + modify_4Bytecode( SIZ.Ysiz, SIZstream+4); + modify_4Bytecode( SIZ.XOsiz, SIZstream+8); + modify_4Bytecode( SIZ.YOsiz, SIZstream+12); + modify_4Bytecode( SIZ.XTsiz, SIZstream+16); + modify_4Bytecode( SIZ.YTsiz, SIZstream+20); + modify_4Bytecode( SIZ.XTOsiz, SIZstream+24); + modify_4Bytecode( SIZ.YTOsiz, SIZstream+28); + + return true; +} + +Byte2_t modify_CODmkrstream( CODmarker_param_t COD, int numOfdecomp, Byte_t *CODstream) +{ + 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 = (Byte2_t)(13+numOfdecomp); + + *CODstream++ = (Byte_t)((Byte2_t)(newLcod & 0xff00) >> 8); + *CODstream++ = (Byte_t)(newLcod & 0x00ff); + } + else{ + newLcod = COD.Lcod; + CODstream += 2; + } + + CODstream += 5; /* skip Scod & SGcod */ + + /* SPcod */ + *CODstream++ = (Byte_t) numOfdecomp; + + return newLcod; +} + +bool modify_COCmkrstream( int numOfdecomp, Byte_t *COCstream, Byte2_t Csiz, Byte2_t *oldLcoc, Byte2_t *newLcoc); + +bool modify_tileheader( Byte_t *j2kstream, Byte8_t SOToffset, int numOfdecomp, Byte2_t Csiz, Byte8_t *j2klen) +{ + Byte4_t Psot; /* tile part length ref A.4.2 Start of tile-part SOT */ + Byte_t *thstream, *SOTstream, *Psot_stream; + Byte2_t oldLcoc, newLcoc; + + SOTstream = thstream = j2kstream+SOToffset; + + if( *SOTstream++ != 0xff || *SOTstream++ != 0x90){ + fprintf( FCGI_stderr, "Error, thstream is not starting with SOT marker\n"); + return false; + } + + SOTstream += 4; /* skip Lsot & Isot */ + 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) */ + + while( !( *thstream == 0xff && *(thstream+1) == 0x93)){ /* search SOD */ + if( numOfdecomp != -1 && *thstream == 0xff && *(thstream+1) == 0x53){ /* COC */ + if( !modify_COCmkrstream( numOfdecomp, thstream, Csiz, &oldLcoc, &newLcoc)) + return false; + + 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 = (Byte4_t)((*j2klen)-SOToffset); + modify_4Bytecode( Psot, Psot_stream); + } + return true; +} + +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 = (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 = (Byte_t)numOfdecomp; + + return true; +} |
