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/*
* Copyright ( c ) 2001 - 2002 , David Janssens
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* Copyright ( c ) 2003 - 2004 , Yannick Verschueren
* Copyright ( c ) 2003 - 2004 , Communications and remote sensing Laboratory , Universite catholique de Louvain , Belgium
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* 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 <setjmp.h>
# include <math.h>
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# include <unistd.h>
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# include "j2k.h"
# include "cio.h"
# include "tcd.h"
# include "int.h"
# include "jpip.h"
# include "jp2.h"
# define J2K_MS_SOC 0xff4f
# define J2K_MS_SOT 0xff90
# define J2K_MS_SOD 0xff93
# define J2K_MS_EOC 0xffd9
# define J2K_MS_SIZ 0xff51
# define J2K_MS_COD 0xff52
# define J2K_MS_COC 0xff53
# define J2K_MS_RGN 0xff5e
# define J2K_MS_QCD 0xff5c
# define J2K_MS_QCC 0xff5d
# define J2K_MS_POC 0xff5f
# define J2K_MS_TLM 0xff55
# define J2K_MS_PLM 0xff57
# define J2K_MS_PLT 0xff58
# define J2K_MS_PPM 0xff60
# define J2K_MS_PPT 0xff61
# define J2K_MS_SOP 0xff91
# define J2K_MS_EPH 0xff92
# define J2K_MS_CRG 0xff63
# define J2K_MS_COM 0xff64
# define J2K_STATE_MHSOC 0x0001
# define J2K_STATE_MHSIZ 0x0002
# define J2K_STATE_MH 0x0004
# define J2K_STATE_TPHSOT 0x0008
# define J2K_STATE_TPH 0x0010
# define J2K_STATE_MT 0x0020
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# define START_NB 10
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# define INCREMENT 5
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jmp_buf j2k_error ;
static int j2k_state ;
static int j2k_curtileno ;
static j2k_tcp_t j2k_default_tcp ;
static unsigned char * j2k_eot ;
static j2k_image_t * j2k_img ;
static j2k_cp_t * j2k_cp ;
static unsigned char * * j2k_tile_data ;
static int * j2k_tile_len ;
static info_image_t img ;
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void j2k_clean ( ) {
int tileno = 0 ;
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int compno = 0 , resno = 0 , precno = 0 ;
tcd_free ( j2k_img , j2k_cp ) ;
for ( tileno = 0 ; tileno < j2k_cp - > tw * j2k_cp - > th ; tileno + + ) {
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info_tile_t * tile_Idx = & img . tile [ tileno ] ;
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for ( compno = 0 ; compno < img . Comp ; compno + + )
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{
info_compo_t * compo_Idx = & tile_Idx - > compo [ compno ] ;
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for ( resno = 0 ; resno < img . Decomposition + 1 ; resno + + )
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{
info_reso_t * reso_Idx = & compo_Idx - > reso [ resno ] ;
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for ( precno = 0 ; precno < img . tile [ tileno ] . pw * img . tile [ tileno ] . ph ; precno + + )
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{
info_prec_t * prec_Idx = & reso_Idx - > prec [ precno ] ;
free ( prec_Idx - > layer ) ;
}
free ( reso_Idx - > prec ) ;
}
free ( compo_Idx - > reso ) ;
}
free ( tile_Idx - > compo ) ;
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free ( tile_Idx - > marker ) ;
free ( tile_Idx - > tile_parts ) ;
free ( tile_Idx - > marker_mul . COC ) ;
free ( tile_Idx - > marker_mul . RGN ) ;
free ( tile_Idx - > marker_mul . QCC ) ;
free ( tile_Idx - > marker_mul . PLT ) ;
free ( tile_Idx - > marker_mul . PPT ) ;
free ( tile_Idx - > marker_mul . COM ) ;
}
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free ( img . tile ) ;
free ( img . marker ) ;
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free ( img . marker_mul . COC ) ;
free ( img . marker_mul . RGN ) ;
free ( img . marker_mul . QCC ) ;
free ( img . marker_mul . PLM ) ;
free ( img . marker_mul . PPM ) ;
free ( img . marker_mul . COM ) ;
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}
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void j2k_read_soc ( ) {
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j2k_state = J2K_STATE_MHSIZ ;
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}
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void j2k_read_siz ( ) {
int len , i ;
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info_tile_t * tile ;
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len = cio_read ( 2 ) ;
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/* <INDEX> [MHIX BOX] */
img . marker [ img . num_marker ] . type = J2K_MS_SIZ ;
img . marker [ img . num_marker ] . start_pos = cio_tell ( ) - 2 ;
img . marker [ img . num_marker ] . len = len ;
img . num_marker + + ;
/* </INDEX> [MHIX BOX] */
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cio_read ( 2 ) ; /* Rsiz (capabilities) */
j2k_img - > x1 = cio_read ( 4 ) ; /* Xsiz */
j2k_img - > y1 = cio_read ( 4 ) ; /* Ysiz */
j2k_img - > x0 = cio_read ( 4 ) ; /* X0siz */
j2k_img - > y0 = cio_read ( 4 ) ; /* Y0siz */
j2k_cp - > tdx = cio_read ( 4 ) ; /* XTsiz */
j2k_cp - > tdy = cio_read ( 4 ) ; /* YTsiz */
j2k_cp - > tx0 = cio_read ( 4 ) ; /* XT0siz */
j2k_cp - > ty0 = cio_read ( 4 ) ; /* YTOsiz */
j2k_img - > numcomps = cio_read ( 2 ) ; /* Csiz */
j2k_img - > comps = ( j2k_comp_t * ) malloc ( j2k_img - > numcomps * sizeof ( j2k_comp_t ) ) ;
for ( i = 0 ; i < j2k_img - > numcomps ; i + + ) {
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int tmp , w , h ;
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tmp = cio_read ( 1 ) ;
j2k_img - > comps [ i ] . prec = ( tmp & 0x7f ) + 1 ;
j2k_img - > comps [ i ] . sgnd = tmp > > 7 ;
j2k_img - > comps [ i ] . dx = cio_read ( 1 ) ;
j2k_img - > comps [ i ] . dy = cio_read ( 1 ) ;
w = int_ceildiv ( j2k_img - > x1 - j2k_img - > x0 , j2k_img - > comps [ i ] . dx ) ;
h = int_ceildiv ( j2k_img - > y1 - j2k_img - > y0 , j2k_img - > comps [ i ] . dy ) ;
j2k_img - > comps [ i ] . data = ( int * ) malloc ( sizeof ( int ) * w * h ) ;
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}
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j2k_cp - > tw = int_ceildiv ( j2k_img - > x1 - j2k_cp - > tx0 , j2k_cp - > tdx ) ;
j2k_cp - > th = int_ceildiv ( j2k_img - > y1 - j2k_cp - > ty0 , j2k_cp - > tdy ) ;
j2k_cp - > tcps = ( j2k_tcp_t * ) calloc ( ( j2k_cp - > tw * j2k_cp - > th ) , sizeof ( j2k_tcp_t ) ) ;
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for ( i = 0 ; i < j2k_cp - > tw * j2k_cp - > th ; i + + )
{
j2k_cp - > tcps [ i ] . POC = 0 ;
j2k_cp - > tcps [ i ] . numpocs = 0 ;
// j2k_cp->tcps[i].first=1;
}
/* Initialization for PPM marker */
j2k_cp - > ppm = 0 ;
j2k_cp - > ppm_data = NULL ;
j2k_cp - > ppm_previous = 0 ;
j2k_cp - > ppm_store = 0 ;
j2k_default_tcp . tccps = ( j2k_tccp_t * ) malloc ( j2k_img - > numcomps * sizeof ( j2k_tccp_t ) ) ;
for ( i = 0 ; i < j2k_cp - > tw * j2k_cp - > th ; i + + ) {
j2k_cp - > tcps [ i ] . tccps = ( j2k_tccp_t * ) malloc ( j2k_img - > numcomps * sizeof ( j2k_tccp_t ) ) ;
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}
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j2k_tile_data = ( unsigned char * * ) calloc ( j2k_cp - > tw * j2k_cp - > th , sizeof ( char * ) ) ;
j2k_tile_len = ( int * ) calloc ( j2k_cp - > tw * j2k_cp - > th , sizeof ( int ) ) ;
j2k_state = J2K_STATE_MH ;
/* <INDEX> */
img . Im_w = j2k_img - > x1 - j2k_img - > x0 ;
img . Im_h = j2k_img - > y1 - j2k_img - > y0 ;
img . Tile_x = j2k_cp - > tdx ;
img . Tile_y = j2k_cp - > tdy ;
img . Comp = j2k_img - > numcomps ;
img . tw = j2k_cp - > tw ;
img . th = j2k_cp - > th ;
img . tile = ( info_tile_t * ) malloc ( img . tw * img . th * sizeof ( info_tile_t ) ) ;
for ( i = 0 ; i < img . tw * img . th ; i + + )
{
tile = & img . tile [ i ] ;
tile - > marker = ( info_marker_t * ) malloc ( 32 * sizeof ( info_marker_t ) ) ;
tile - > num_marker = 0 ;
tile - > marker_mul . num_COC = 0 ;
tile - > marker_mul . CzCOC = START_NB ;
tile - > marker_mul . num_RGN = 0 ;
tile - > marker_mul . CzRGN = START_NB ;
tile - > marker_mul . num_QCC = 0 ;
tile - > marker_mul . CzQCC = START_NB ;
tile - > marker_mul . num_PLT = 0 ;
tile - > marker_mul . CzPLT = START_NB ;
tile - > marker_mul . num_PPT = 0 ;
tile - > marker_mul . CzPPT = START_NB ;
tile - > marker_mul . num_COM = 0 ;
tile - > marker_mul . CzCOM = START_NB ;
}
/* </INDEX> */
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}
void j2k_read_com ( ) {
int len ;
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info_tile_t * tile ;
info_marker_t * tmp ;
len = cio_read ( 2 ) ;
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/* <INDEX> [MHIX BOX] */
if ( j2k_state = = J2K_STATE_MH )
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{
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if ( ! img . marker_mul . num_COM )
img . marker_mul . COM = ( info_marker_t * ) malloc ( img . marker_mul . CzCOM * sizeof ( info_marker_t ) ) ;
if ( img . marker_mul . num_COM > = img . marker_mul . CzCOM )
{
tmp = ( info_marker_t * ) malloc ( 2 * img . marker_mul . CzCOM * sizeof ( info_marker_t ) ) ;
memcpy ( tmp , img . marker_mul . COM , img . marker_mul . CzCOM ) ;
img . marker_mul . CzCOM * = 2 ;
free ( img . marker_mul . COM ) ;
img . marker_mul . COM = tmp ;
}
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img . marker_mul . COM [ img . marker_mul . num_COM ] . type = J2K_MS_COM ;
img . marker_mul . COM [ img . marker_mul . num_COM ] . start_pos = cio_tell ( ) - 2 ;
img . marker_mul . COM [ img . marker_mul . num_COM ] . len = len ;
img . marker_mul . num_COM + + ;
} else
{
tile = & img . tile [ j2k_curtileno ] ;
if ( ! tile - > marker_mul . num_COM )
tile - > marker_mul . COM = ( info_marker_t * ) calloc ( START_NB , sizeof ( info_marker_t ) ) ;
if ( tile - > marker_mul . num_COM > = tile - > marker_mul . CzCOM )
{
tmp = ( info_marker_t * ) malloc ( 2 * tile - > marker_mul . CzCOM * sizeof ( info_marker_t ) ) ;
memcpy ( tmp , tile - > marker_mul . COM , tile - > marker_mul . CzCOM ) ;
tile - > marker_mul . CzCOM * = 2 ;
free ( tile - > marker_mul . COM ) ;
tile - > marker_mul . COM = tmp ;
}
tile - > marker_mul . COM [ tile - > marker_mul . num_COM ] . type = J2K_MS_COM ;
tile - > marker_mul . COM [ tile - > marker_mul . num_COM ] . start_pos = cio_tell ( ) - 2 ;
tile - > marker_mul . COM [ tile - > marker_mul . num_COM ] . len = len ;
tile - > marker_mul . num_COM + + ;
}
/* </INDEX> [MHIX BOX] */
cio_skip ( len - 2 ) ;
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}
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void j2k_read_cox ( int compno ) {
int i ;
j2k_tcp_t * tcp ;
j2k_tccp_t * tccp ;
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tcp = j2k_state = = J2K_STATE_TPH ? & j2k_cp - > tcps [ j2k_curtileno ] : & j2k_default_tcp ;
tccp = & tcp - > tccps [ compno ] ;
tccp - > numresolutions = cio_read ( 1 ) + 1 ;
img . Decomposition = tccp - > numresolutions - 1 ; /* <INDEX> */
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tccp - > cblkw = cio_read ( 1 ) + 2 ;
tccp - > cblkh = cio_read ( 1 ) + 2 ;
tccp - > cblksty = cio_read ( 1 ) ;
tccp - > qmfbid = cio_read ( 1 ) ;
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if ( tccp - > csty & J2K_CP_CSTY_PRT ) {
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for ( i = 0 ; i < tccp - > numresolutions ; i + + ) {
int tmp = cio_read ( 1 ) ;
tccp - > prcw [ i ] = tmp & 0xf ;
tccp - > prch [ i ] = tmp > > 4 ;
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}
}
}
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void j2k_read_cod ( ) {
int len , i , pos ;
j2k_tcp_t * tcp ;
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info_tile_t * tile ;
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tcp = j2k_state = = J2K_STATE_TPH ? & j2k_cp - > tcps [ j2k_curtileno ] : & j2k_default_tcp ;
len = cio_read ( 2 ) ;
/* <INDEX> [MHIX BOX] */
if ( j2k_state = = J2K_STATE_MH )
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{
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img . marker [ img . num_marker ] . type = J2K_MS_COD ;
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img . marker [ img . num_marker ] . start_pos = cio_tell ( ) - 2 ;
img . marker [ img . num_marker ] . len = len ;
img . num_marker + + ;
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}
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else
{
tile = & img . tile [ j2k_curtileno ] ;
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tile - > marker [ tile - > num_marker ] . type = J2K_MS_COD ;
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tile - > marker [ tile - > num_marker ] . start_pos = cio_tell ( ) - 2 ;
tile - > marker [ tile - > num_marker ] . len = len ;
tile - > num_marker + + ;
}
/* </INDEX> [MHIX BOX] */
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tcp - > csty = cio_read ( 1 ) ;
tcp - > prg = cio_read ( 1 ) ;
tcp - > numlayers = cio_read ( 2 ) ;
tcp - > mct = cio_read ( 1 ) ;
pos = cio_tell ( ) ;
for ( i = 0 ; i < j2k_img - > numcomps ; i + + ) {
tcp - > tccps [ i ] . csty = tcp - > csty & J2K_CP_CSTY_PRT ;
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cio_seek ( pos ) ;
j2k_read_cox ( i ) ;
}
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/* <INDEX> */
img . Prog = tcp - > prg ;
img . Layer = tcp - > numlayers ;
/* </INDEX> */
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}
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void j2k_read_coc ( ) {
int len , compno ;
j2k_tcp_t * tcp ;
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info_tile_t * tile ;
info_marker_t * tmp ;
tcp = j2k_state = = J2K_STATE_TPH ? & j2k_cp - > tcps [ j2k_curtileno ] : & j2k_default_tcp ;
len = cio_read ( 2 ) ;
/* <INDEX> [MHIX BOX] */
if ( j2k_state = = J2K_STATE_MH )
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{
if ( ! img . marker_mul . num_COC )
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img . marker_mul . COC = ( info_marker_t * ) malloc ( img . marker_mul . CzCOC * sizeof ( info_marker_t ) ) ;
if ( img . marker_mul . num_COC > = img . marker_mul . CzCOC )
{
tmp = ( info_marker_t * ) malloc ( ( INCREMENT + img . marker_mul . CzCOC ) * sizeof ( info_marker_t ) ) ;
memcpy ( tmp , img . marker_mul . COC , img . marker_mul . CzCOC ) ;
img . marker_mul . CzCOC + = INCREMENT ;
free ( img . marker_mul . COC ) ;
img . marker_mul . COC = tmp ;
}
img . marker_mul . COC [ img . marker_mul . num_COC ] . type = J2K_MS_COC ;
img . marker_mul . COC [ img . marker_mul . num_COC ] . start_pos = cio_tell ( ) - 2 ;
img . marker_mul . COC [ img . marker_mul . num_COC ] . len = len ;
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img . marker_mul . num_COC + + ;
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} else
{
tile = & img . tile [ j2k_curtileno ] ;
if ( ! tile - > marker_mul . num_COC )
tile - > marker_mul . COC = ( info_marker_t * ) malloc ( tile - > marker_mul . CzCOC * sizeof ( info_marker_t ) ) ;
if ( tile - > marker_mul . num_COC > = tile - > marker_mul . CzCOC )
{
tmp = ( info_marker_t * ) malloc ( ( INCREMENT + tile - > marker_mul . CzCOC ) * sizeof ( info_marker_t ) ) ;
memcpy ( tmp , tile - > marker_mul . COC , tile - > marker_mul . CzCOC ) ;
tile - > marker_mul . CzCOC + = INCREMENT ;
free ( tile - > marker_mul . COC ) ;
tile - > marker_mul . COC = tmp ;
}
tile - > marker_mul . COC [ tile - > marker_mul . num_COC ] . type = J2K_MS_COC ;
tile - > marker_mul . COC [ tile - > marker_mul . num_COC ] . start_pos = cio_tell ( ) - 2 ;
tile - > marker_mul . COC [ tile - > marker_mul . num_COC ] . len = len ;
tile - > marker_mul . num_COC + + ;
}
/* </INDEX> [MHIX BOX] */
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compno = cio_read ( j2k_img - > numcomps < = 256 ? 1 : 2 ) ;
tcp - > tccps [ compno ] . csty = cio_read ( 1 ) ;
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j2k_read_cox ( compno ) ;
}
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void j2k_read_qcx ( int compno , int len ) {
int tmp ;
j2k_tcp_t * tcp ;
j2k_tccp_t * tccp ;
int bandno , numbands ;
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tcp = j2k_state = = J2K_STATE_TPH ? & j2k_cp - > tcps [ j2k_curtileno ] : & j2k_default_tcp ;
tccp = & tcp - > tccps [ compno ] ;
tmp = cio_read ( 1 ) ;
tccp - > qntsty = tmp & 0x1f ;
tccp - > numgbits = tmp > > 5 ;
numbands = tccp - > qntsty = = J2K_CCP_QNTSTY_SIQNT ? 1 : ( tccp - > qntsty = = J2K_CCP_QNTSTY_NOQNT ? len - 1 : ( len - 1 ) / 2 ) ;
for ( bandno = 0 ; bandno < numbands ; bandno + + ) {
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int expn , mant ;
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if ( tccp - > qntsty = = J2K_CCP_QNTSTY_NOQNT ) { /* WHY STEPSIZES WHEN NOQNT ? */
expn = cio_read ( 1 ) > > 3 ;
mant = 0 ;
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} else {
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tmp = cio_read ( 2 ) ;
expn = tmp > > 11 ;
mant = tmp & 0x7ff ;
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}
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tccp - > stepsizes [ bandno ] . expn = expn ;
tccp - > stepsizes [ bandno ] . mant = mant ;
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}
}
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void j2k_read_qcd ( ) {
int len , i , pos ;
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info_tile_t * tile ;
len = cio_read ( 2 ) ;
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/* <INDEX> [MHIX BOX] */
if ( j2k_state = = J2K_STATE_MH )
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{
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img . marker [ img . num_marker ] . type = J2K_MS_QCD ;
img . marker [ img . num_marker ] . start_pos = cio_tell ( ) - 2 ;
img . marker [ img . num_marker ] . len = len ;
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img . num_marker + + ;
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} else
{
tile = & img . tile [ j2k_curtileno ] ;
tile - > marker [ tile - > num_marker ] . type = J2K_MS_QCD ;
tile - > marker [ tile - > num_marker ] . start_pos = cio_tell ( ) - 2 ;
tile - > marker [ tile - > num_marker ] . len = len ;
tile - > num_marker + + ;
}
/* </INDEX> [MHIX BOX] */
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pos = cio_tell ( ) ;
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for ( i = 0 ; i < j2k_img - > numcomps ; i + + ) {
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cio_seek ( pos ) ;
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j2k_read_qcx ( i , len - 2 ) ;
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}
}
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void j2k_read_qcc ( ) {
int len , compno ;
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info_tile_t * tile ;
info_marker_t * tmp ;
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len = cio_read ( 2 ) ;
/* <INDEX> [MHIX BOX] */
if ( j2k_state = = J2K_STATE_MH )
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{
if ( ! img . marker_mul . num_QCC )
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img . marker_mul . QCC = ( info_marker_t * ) malloc ( img . marker_mul . CzQCC * sizeof ( info_marker_t ) ) ;
if ( img . marker_mul . num_QCC > = img . marker_mul . CzQCC )
{
tmp = ( info_marker_t * ) malloc ( ( INCREMENT + img . marker_mul . CzQCC ) * sizeof ( info_marker_t ) ) ;
memcpy ( tmp , img . marker_mul . QCC , img . marker_mul . CzQCC ) ;
img . marker_mul . CzQCC + = INCREMENT ;
free ( img . marker_mul . QCC ) ;
img . marker_mul . QCC = tmp ;
}
img . marker_mul . QCC [ img . marker_mul . num_QCC ] . type = J2K_MS_QCC ;
img . marker_mul . QCC [ img . marker_mul . num_QCC ] . start_pos = cio_tell ( ) - 2 ;
img . marker_mul . QCC [ img . marker_mul . num_QCC ] . len = len ;
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img . marker_mul . num_QCC + + ;
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} else
{
tile = & img . tile [ j2k_curtileno ] ;
if ( ! tile - > marker_mul . num_QCC )
tile - > marker_mul . QCC = ( info_marker_t * ) malloc ( tile - > marker_mul . CzQCC * sizeof ( info_marker_t ) ) ;
if ( tile - > marker_mul . num_QCC > = tile - > marker_mul . CzQCC )
{
tmp = ( info_marker_t * ) malloc ( ( INCREMENT + tile - > marker_mul . CzQCC ) * sizeof ( info_marker_t ) ) ;
memcpy ( tmp , tile - > marker_mul . QCC , tile - > marker_mul . CzQCC ) ;
tile - > marker_mul . CzQCC + = INCREMENT ;
free ( tile - > marker_mul . QCC ) ;
tile - > marker_mul . QCC = tmp ;
}
tile - > marker_mul . QCC [ tile - > marker_mul . num_QCC ] . type = J2K_MS_QCC ;
tile - > marker_mul . QCC [ tile - > marker_mul . num_QCC ] . start_pos = cio_tell ( ) - 2 ;
tile - > marker_mul . QCC [ tile - > marker_mul . num_QCC ] . len = len ;
tile - > marker_mul . num_QCC + + ;
}
/* </INDEX> [MHIX BOX] */
compno = cio_read ( j2k_img - > numcomps < = 256 ? 1 : 2 ) ;
j2k_read_qcx ( compno , len - 2 - ( j2k_img - > numcomps < = 256 ? 1 : 2 ) ) ;
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}
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void j2k_read_poc ( ) {
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int len , numpchgs , i , old_poc ;
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j2k_tcp_t * tcp ;
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j2k_tccp_t * tccp ;
info_tile_t * tile ;
tcp = j2k_state = = J2K_STATE_TPH ? & j2k_cp - > tcps [ j2k_curtileno ] : & j2k_default_tcp ;
old_poc = tcp - > POC ? tcp - > numpocs + 1 : 0 ;
tcp - > POC = 1 ;
tccp = & tcp - > tccps [ 0 ] ;
len = cio_read ( 2 ) ;
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/* <INDEX> [MHIX BOX] */
if ( j2k_state = = J2K_STATE_MH )
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{
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img . marker [ img . num_marker ] . type = J2K_MS_POC ;
img . marker [ img . num_marker ] . start_pos = cio_tell ( ) - 2 ;
img . marker [ img . num_marker ] . len = len ;
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img . num_marker + + ;
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} else
{
tile = & img . tile [ j2k_curtileno ] ;
tile - > marker [ tile - > num_marker ] . type = J2K_MS_POC ;
tile - > marker [ tile - > num_marker ] . start_pos = cio_tell ( ) - 2 ;
tile - > marker [ tile - > num_marker ] . len = len ;
tile - > num_marker + + ;
}
/* </INDEX> [MHIX BOX] */
numpchgs = ( len - 2 ) / ( 5 + 2 * ( j2k_img - > numcomps < = 256 ? 1 : 2 ) ) ;
for ( i = 0 ; i < numpchgs ; i + + ) {
j2k_poc_t * poc ;
poc = & tcp - > pocs [ i ] ;
poc - > resno0 = cio_read ( 1 ) ;
poc - > compno0 = cio_read ( j2k_img - > numcomps < = 256 ? 1 : 2 ) ;
poc - > layno1 = int_min ( cio_read ( 2 ) , tcp - > numlayers ) ;
poc - > resno1 = int_min ( cio_read ( 1 ) , tccp - > numresolutions ) ;
poc - > compno1 = int_min ( cio_read ( j2k_img - > numcomps < = 256 ? 1 : 2 ) , j2k_img - > numcomps ) ;
poc - > prg = cio_read ( 1 ) ;
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}
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tcp - > numpocs = numpchgs + old_poc - 1 ;
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}
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void j2k_read_crg ( ) {
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int len , i , Xcrg_i , Ycrg_i ;
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len = cio_read ( 2 ) ;
/* <INDEX> [MHIX BOX] */
img . marker [ img . num_marker ] . type = J2K_MS_CRG ;
img . marker [ img . num_marker ] . start_pos = cio_tell ( ) - 2 ;
img . marker [ img . num_marker ] . len = len ;
img . num_marker + + ;
/* </INDEX> [MHIX BOX] */
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for ( i = 0 ; i < j2k_img - > numcomps ; i + + )
{
Xcrg_i = cio_read ( 2 ) ;
Ycrg_i = cio_read ( 2 ) ;
}
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}
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void j2k_read_tlm ( ) {
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int len , Ztlm , Stlm , ST , SP , tile_tlm , i ;
long int Ttlm_i , Ptlm_i ;
info_marker_t * tmp ;
len = cio_read ( 2 ) ;
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/* <INDEX> [MHIX BOX] */
if ( ! img . marker_mul . num_TLM )
img . marker_mul . TLM = ( info_marker_t * ) malloc ( img . marker_mul . CzTLM * sizeof ( info_marker_t ) ) ;
if ( img . marker_mul . num_TLM > = img . marker_mul . CzTLM )
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{
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tmp = ( info_marker_t * ) malloc ( ( INCREMENT + img . marker_mul . CzTLM ) * sizeof ( info_marker_t ) ) ;
memcpy ( tmp , img . marker_mul . TLM , img . marker_mul . CzTLM ) ;
img . marker_mul . CzTLM + = INCREMENT ;
free ( img . marker_mul . TLM ) ;
img . marker_mul . TLM = tmp ;
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}
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img . marker_mul . TLM [ img . marker_mul . num_TLM ] . type = J2K_MS_TLM ;
img . marker_mul . TLM [ img . marker_mul . num_TLM ] . start_pos = cio_tell ( ) - 2 ;
img . marker_mul . TLM [ img . marker_mul . num_TLM ] . len = len ;
img . marker_mul . num_TLM + + ;
/* </INDEX> [MHIX BOX] */
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Ztlm = cio_read ( 1 ) ;
Stlm = cio_read ( 1 ) ;
ST = ( ( Stlm > > 4 ) & 0x01 ) + ( ( Stlm > > 4 ) & 0x02 ) ;
SP = ( Stlm > > 6 ) & 0x01 ;
tile_tlm = ( len - 4 ) / ( ( SP + 1 ) * 2 + ST ) ;
for ( i = 0 ; i < tile_tlm ; i + + )
{
Ttlm_i = cio_read ( ST ) ;
Ptlm_i = cio_read ( SP ? 4 : 2 ) ;
}
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}
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void j2k_read_plm ( ) {
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int len , i , Z_plm , N_plm , add , packet_len = 0 ;
info_marker_t * tmp ;
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len = cio_read ( 2 ) ;
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/* <INDEX> [MHIX BOX] */
if ( ! img . marker_mul . num_PLM )
img . marker_mul . PLM = ( info_marker_t * ) malloc ( img . marker_mul . CzPLM * sizeof ( info_marker_t ) ) ;
if ( img . marker_mul . num_PLM > = img . marker_mul . CzPLM )
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{
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tmp = ( info_marker_t * ) malloc ( ( INCREMENT + img . marker_mul . CzPLM ) * sizeof ( info_marker_t ) ) ;
memcpy ( tmp , img . marker_mul . PLM , img . marker_mul . CzPLM ) ;
img . marker_mul . CzPLM + = INCREMENT ;
free ( img . marker_mul . PLM ) ;
img . marker_mul . PLM = tmp ;
}
img . marker_mul . PLM [ img . marker_mul . num_PLM ] . type = J2K_MS_PLM ;
img . marker_mul . PLM [ img . marker_mul . num_PLM ] . start_pos = cio_tell ( ) - 2 ;
img . marker_mul . PLM [ img . marker_mul . num_PLM ] . len = len ;
img . marker_mul . num_PLM + + ;
/* </INDEX> [MHIX BOX] */
Z_plm = cio_read ( 1 ) ;
len - = 3 ;
while ( len > 0 )
{
N_plm = cio_read ( 4 ) ;
len - = 4 ;
for ( i = N_plm ; i > 0 ; i - - )
{
add = cio_read ( 1 ) ;
len - - ;
packet_len = ( packet_len < < 7 ) + add ;
if ( ( add & 0x80 ) = = 0 )
{
/* New packet */
packet_len = 0 ;
}
if ( len < = 0 ) break ;
}
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}
}
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void j2k_read_plt ( ) {
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int len , i , Zplt , packet_len = 0 , add ;
info_tile_t * tile ;
info_marker_t * tmp ;
;
len = cio_read ( 2 ) ;
/* <INDEX> [MHIX BOX] */
tile = & img . tile [ j2k_curtileno ] ;
if ( ! tile - > marker_mul . num_PLT )
tile - > marker_mul . PLT = ( info_marker_t * ) malloc ( tile - > marker_mul . CzPLT * sizeof ( info_marker_t ) ) ;
if ( tile - > marker_mul . num_PLT > = tile - > marker_mul . CzPLT )
{
tmp = ( info_marker_t * ) malloc ( ( INCREMENT + tile - > marker_mul . CzPLT ) * sizeof ( info_marker_t ) ) ;
memcpy ( tmp , tile - > marker_mul . PLT , tile - > marker_mul . CzPLT ) ;
tile - > marker_mul . CzPLT + = INCREMENT ;
free ( tile - > marker_mul . PLT ) ;
tile - > marker_mul . PLT = tmp ;
}
tile - > marker_mul . PLT [ tile - > marker_mul . num_PLT ] . type = J2K_MS_PLT ;
tile - > marker_mul . PLT [ tile - > marker_mul . num_PLT ] . start_pos = cio_tell ( ) - 2 ;
tile - > marker_mul . PLT [ tile - > marker_mul . num_PLT ] . len = len ;
tile - > marker_mul . num_PLT + + ;
/* </INDEX> [MHIX BOX] */
Zplt = cio_read ( 1 ) ;
for ( i = len - 3 ; i > 0 ; i - - )
{
add = cio_read ( 1 ) ;
packet_len = ( packet_len < < 7 ) + add ;
if ( ( add & 0x80 ) = = 0 )
{
/* New packet */
packet_len = 0 ;
}
}
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}
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void j2k_read_ppm ( ) {
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int len , Z_ppm , i , j ;
int N_ppm ;
info_marker_t * tmp ;
len = cio_read ( 2 ) ;
/* <INDEX> [MHIX BOX] */
if ( ! img . marker_mul . num_PPM )
img . marker_mul . PPM = ( info_marker_t * ) malloc ( img . marker_mul . CzPPM * sizeof ( info_marker_t ) ) ;
if ( img . marker_mul . num_PPM > = img . marker_mul . CzPPM )
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{
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tmp = ( info_marker_t * ) malloc ( ( INCREMENT + img . marker_mul . CzPPM ) * sizeof ( info_marker_t ) ) ;
memcpy ( tmp , img . marker_mul . PPM , img . marker_mul . CzPPM ) ;
img . marker_mul . CzPPM + = INCREMENT ;
free ( img . marker_mul . PPM ) ;
img . marker_mul . PPM = tmp ;
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}
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img . marker_mul . PLM [ img . marker_mul . num_PPM ] . type = J2K_MS_PPM ;
img . marker_mul . PLM [ img . marker_mul . num_PPM ] . start_pos = cio_tell ( ) - 2 ;
img . marker_mul . PLM [ img . marker_mul . num_PPM ] . len = len ;
img . marker_mul . num_PPM + + ;
/* </INDEX> [MHIX BOX] */
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j2k_cp - > ppm = 1 ;
Z_ppm = cio_read ( 1 ) ; /* Z_ppm */
len - = 3 ;
while ( len > 0 )
{
if ( j2k_cp - > ppm_previous = = 0 )
{
N_ppm = cio_read ( 4 ) ; /* N_ppm */
len - = 4 ;
} else
{
N_ppm = j2k_cp - > ppm_previous ;
}
j = j2k_cp - > ppm_store ;
if ( Z_ppm = = 0 ) /* First PPM marker */
j2k_cp - > ppm_data = ( unsigned char * ) calloc ( N_ppm , sizeof ( unsigned char ) ) ;
else /* NON-first PPM marker */
j2k_cp - > ppm_data = ( unsigned char * ) realloc ( j2k_cp - > ppm_data , ( N_ppm + j2k_cp - > ppm_store ) * sizeof ( unsigned char ) ) ;
for ( i = N_ppm ; i > 0 ; i - - ) /* Read packet header */
{
j2k_cp - > ppm_data [ j ] = cio_read ( 1 ) ;
j + + ;
len - - ;
if ( len = = 0 ) break ; /* Case of non-finished packet header in present marker but finished in next one */
}
j2k_cp - > ppm_previous = i - 1 ;
j2k_cp - > ppm_store = j ;
}
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}
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void j2k_read_ppt ( ) {
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int len , Z_ppt , i , j = 0 ;
j2k_tcp_t * tcp ;
info_tile_t * tile ;
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len = cio_read ( 2 ) ;
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/* <INDEX> [MHIX BOX] */
tile = & img . tile [ j2k_curtileno ] ;
tile - > marker [ tile - > num_marker ] . type = J2K_MS_PPT ;
tile - > marker [ tile - > num_marker ] . start_pos = cio_tell ( ) - 2 ;
tile - > marker [ tile - > num_marker ] . len = len ;
tile - > num_marker + + ;
/* </INDEX> [MHIX BOX] */
Z_ppt = cio_read ( 1 ) ;
tcp = & j2k_cp - > tcps [ j2k_curtileno ] ;
tcp - > ppt = 1 ;
if ( Z_ppt = = 0 ) /* First PPT marker */
{
tcp - > ppt_data = ( unsigned char * ) calloc ( len - 3 , sizeof ( unsigned char ) ) ;
tcp - > ppt_store = 0 ;
}
else /* NON-first PPT marker */
tcp - > ppt_data = ( unsigned char * ) realloc ( tcp - > ppt_data , ( len - 3 + tcp - > ppt_store ) * sizeof ( unsigned char ) ) ;
j = tcp - > ppt_store ;
for ( i = len - 3 ; i > 0 ; i - - )
{
tcp - > ppt_data [ j ] = cio_read ( 1 ) ;
j + + ;
}
tcp - > ppt_store = j ;
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}
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void j2k_read_sot ( ) {
int len , tileno , totlen , partno , numparts , i ;
j2k_tcp_t * tcp ;
j2k_tccp_t * tmp ;
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info_tile_t * tile ;
info_tile_part_t * tilepart_tmp ;
//fprintf(stderr,"SOT\n");
len = cio_read ( 2 ) ;
tileno = cio_read ( 2 ) ;
/* <INDEX> [MHIX BOX] */
tile = & img . tile [ tileno ] ;
tile - > marker [ tile - > num_marker ] . type = J2K_MS_SOT ;
tile - > marker [ tile - > num_marker ] . start_pos = cio_tell ( ) - 4 ;
tile - > marker [ tile - > num_marker ] . len = len ;
tile - > num_marker + + ;
/* </INDEX> [MHIX BOX] */
totlen = cio_read ( 4 ) ;
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if ( ! totlen ) totlen = cio_numbytesleft ( ) + 8 ;
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partno = cio_read ( 1 ) ;
numparts = cio_read ( 1 ) ;
/* <INDEX> */
if ( tileno = = 0 & & partno = = 0 )
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img . Main_head_end = cio_tell ( ) - 12 ; /* Correction End = First byte of first SOT */
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img . tile [ tileno ] . num_tile = tileno ;
/* </INDEX> */
tile - > numparts = partno + 1 ; /* INDEX : Number of tile_parts for the tile */
img . num_max_tile_parts = int_max ( tile - > numparts , img . num_max_tile_parts ) ; /* INDEX : Maximum number of tile_part per tile */
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if ( partno = = 0 )
{
tile - > tile_parts = ( info_tile_part_t * ) malloc ( START_NB * sizeof ( info_tile_part_t * ) ) ;
tile - > Cztile_parts = START_NB ;
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}
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if ( partno > = tile - > Cztile_parts )
{
tilepart_tmp = ( info_tile_part_t * ) malloc ( ( INCREMENT + tile - > Cztile_parts ) * sizeof ( info_tile_part_t ) ) ;
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memcpy ( tilepart_tmp , tile - > tile_parts , tile - > Cztile_parts ) ; /*add tilepart_ a tmp*/
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tile - > Cztile_parts + = INCREMENT ;
free ( tile - > tile_parts ) ;
tile - > tile_parts = tilepart_tmp ;
}
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tile - > tile_parts [ partno ] . start_pos = cio_tell ( ) - 12 ; /* INDEX : start_pos of the tile_part */
tile - > tile_parts [ partno ] . length = totlen ; /* INDEX : length of the tile_part */
tile - > tile_parts [ partno ] . end_pos = totlen + cio_tell ( ) - 12 ; /* INDEX : end position of the tile_part */
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//tile->tile_parts[partno].num_reso_AUX = j2k_default_tcp.tccps[0].numresolutions;
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j2k_curtileno = tileno ;
j2k_eot = cio_getbp ( ) - 12 + totlen ;
j2k_state = J2K_STATE_TPH ;
tcp = & j2k_cp - > tcps [ j2k_curtileno ] ;
if ( partno = = 0 )
// if (tcp->first == 1)
{
tmp = tcp - > tccps ;
* tcp = j2k_default_tcp ;
/* Initialization PPT */
tcp - > ppt = 0 ;
tcp - > ppt_data = NULL ;
tcp - > tccps = tmp ;
for ( i = 0 ; i < j2k_img - > numcomps ; i + + ) {
tcp - > tccps [ i ] = j2k_default_tcp . tccps [ i ] ;
}
//j2k_cp->tcps[j2k_curtileno].first=0;
}
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// tile->tile_parts[numparts].num_reso_AUX = tcp->tccps[0].numresolutions; /* INDEX : AUX value for TPIX */
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}
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void j2k_read_rgn ( ) {
int len , compno , roisty ;
j2k_tcp_t * tcp ;
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info_tile_t * tile ;
info_marker_t * tmp ;
// fprintf(stderr,"RGN\n");
tcp = j2k_state = = J2K_STATE_TPH ? & j2k_cp - > tcps [ j2k_curtileno ] : & j2k_default_tcp ;
len = cio_read ( 2 ) ;
/* <INDEX> [MHIX BOX]*/
if ( j2k_state = = J2K_STATE_MH )
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{
if ( ! img . marker_mul . num_RGN )
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img . marker_mul . RGN = ( info_marker_t * ) malloc ( img . marker_mul . CzRGN * sizeof ( info_marker_t ) ) ;
if ( img . marker_mul . num_RGN > = img . marker_mul . CzRGN )
{
tmp = ( info_marker_t * ) malloc ( ( INCREMENT + img . marker_mul . CzRGN ) * sizeof ( info_marker_t ) ) ;
memcpy ( tmp , img . marker_mul . RGN , img . marker_mul . CzRGN ) ;
img . marker_mul . CzRGN + = INCREMENT ;
free ( img . marker_mul . RGN ) ;
img . marker_mul . RGN = tmp ;
}
img . marker_mul . RGN [ img . marker_mul . num_RGN ] . type = J2K_MS_RGN ;
img . marker_mul . RGN [ img . marker_mul . num_RGN ] . start_pos = cio_tell ( ) - 2 ;
img . marker_mul . RGN [ img . marker_mul . num_RGN ] . len = len ;
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img . marker_mul . num_RGN + + ;
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} else
{
tile = & img . tile [ j2k_curtileno ] ;
if ( ! tile - > marker_mul . num_RGN )
tile - > marker_mul . RGN = ( info_marker_t * ) malloc ( tile - > marker_mul . CzRGN * sizeof ( info_marker_t ) ) ;
if ( tile - > marker_mul . num_RGN > = tile - > marker_mul . CzRGN )
{
tmp = ( info_marker_t * ) malloc ( ( INCREMENT + tile - > marker_mul . CzRGN ) * sizeof ( info_marker_t ) ) ;
memcpy ( tmp , tile - > marker_mul . RGN , tile - > marker_mul . CzRGN ) ;
tile - > marker_mul . CzRGN + = INCREMENT ;
free ( tile - > marker_mul . RGN ) ;
tile - > marker_mul . RGN = tmp ;
}
tile - > marker_mul . RGN [ tile - > marker_mul . num_RGN ] . type = J2K_MS_RGN ;
tile - > marker_mul . RGN [ tile - > marker_mul . num_RGN ] . start_pos = cio_tell ( ) - 2 ;
tile - > marker_mul . RGN [ tile - > marker_mul . num_RGN ] . len = len ;
tile - > marker_mul . num_RGN + + ;
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}
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/* </INDEX> [MHIX BOX] */
compno = cio_read ( j2k_img - > numcomps < = 256 ? 1 : 2 ) ;
roisty = cio_read ( 1 ) ;
tcp - > tccps [ compno ] . roishift = cio_read ( 1 ) ;
}
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void j2k_read_sod ( ) {
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int len , i ;
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unsigned char * data ;
info_tile_t * tile ;
info_tile_part_t * tile_part ;
/* <INDEX> [MHIX BOX] */
tile = & img . tile [ j2k_curtileno ] ;
tile - > marker [ tile - > num_marker ] . type = J2K_MS_SOD ;
tile - > marker [ tile - > num_marker ] . start_pos = cio_tell ( ) ;
tile - > marker [ tile - > num_marker ] . len = 0 ;
tile - > num_marker + + ;
/* </INDEX> [MHIX BOX] */
tile_part = & tile - > tile_parts [ tile - > numparts - 1 ] ; /* INDEX : Current tilepart of a tile */
tile_part - > length_header = cio_tell ( ) - 1 - tile_part - > start_pos ; /* INDEX : length of the tile-part header */
tile_part - > end_header = cio_tell ( ) - 1 ; /* INDEX : end header position of the tile-part header */
len = int_min ( j2k_eot - cio_getbp ( ) , cio_numbytesleft ( ) ) ;
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data = ( unsigned char * ) malloc ( ( j2k_tile_len [ j2k_curtileno ] + len ) * sizeof ( unsigned char ) ) ;
for ( i = 0 ; i < j2k_tile_len [ j2k_curtileno ] ; i + + )
data [ i ] = j2k_tile_data [ j2k_curtileno ] [ i ] ;
for ( i = 0 ; i < len ; i + + )
data [ i + j2k_tile_len [ j2k_curtileno ] ] = cio_read ( 1 ) ;
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j2k_tile_len [ j2k_curtileno ] + = len ;
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/*
free ( j2k_tile_data [ j2k_curtileno ] ) ;
*/
j2k_tile_data [ j2k_curtileno ] = data ;
data = NULL ;
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j2k_state = J2K_STATE_TPHSOT ;
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}
void j2k_read_eoc ( ) {
int tileno ;
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tcd_init ( j2k_img , j2k_cp , & img ) ;
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for ( tileno = 0 ; tileno < j2k_cp - > tw * j2k_cp - > th ; tileno + + ) {
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tcd_decode_tile ( j2k_tile_data [ tileno ] , j2k_tile_len [ tileno ] , tileno , & img ) ;
}
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j2k_state = J2K_STATE_MT ;
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longjmp ( j2k_error , 1 ) ;
}
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void j2k_read_unk ( ) {
fprintf ( stderr , " warning: unknown marker \n " ) ;
}
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int j2k_index_JPIP ( char * Idx_file , char * J2K_file , int len , int version ) {
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FILE * dest ;
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char * index ;
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int pos_iptr , end_pos ;
int len_cidx , pos_cidx ;
int len_jp2c , pos_jp2c ;
int len_fidx , pos_fidx ;
dest = fopen ( Idx_file , " wb " ) ;
if ( ! dest ) {
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fprintf ( stderr , " Failed to open %s for reading !! \n " , Idx_file ) ;
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return 0 ;
}
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/* INDEX MODE JPIP */
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index = ( char * ) malloc ( len ) ;
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cio_init ( index , len ) ;
jp2_write_jp ( ) ;
jp2_write_ftyp ( ) ;
jp2_write_jp2h ( j2k_img ) ;
jp2_write_dbtl ( Idx_file ) ;
pos_iptr = cio_tell ( ) ;
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cio_skip ( 24 ) ; /* IPTR further ! */
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pos_jp2c = cio_tell ( ) ;
len_jp2c = jp2_write_jp2c ( J2K_file ) ;
pos_cidx = cio_tell ( ) ;
len_cidx = jpip_write_cidx ( pos_jp2c + 8 , img , j2k_cp , version ) ; /* Correction len_jp2C --> pos_jp2c + 8 */
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pos_fidx = cio_tell ( ) ;
len_fidx = jpip_write_fidx ( pos_jp2c , len_jp2c , pos_cidx , len_cidx ) ;
end_pos = cio_tell ( ) ;
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cio_seek ( pos_iptr ) ;
jpip_write_iptr ( pos_fidx , len_fidx ) ;
cio_seek ( end_pos ) ;
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fwrite ( index , 1 , cio_tell ( ) , dest ) ;
free ( index ) ;
fclose ( dest ) ;
return 1 ;
}
typedef struct {
int id ;
int states ;
void ( * handler ) ( ) ;
} j2k_dec_mstabent_t ;
j2k_dec_mstabent_t j2k_dec_mstab [ ] = {
{ J2K_MS_SOC , J2K_STATE_MHSOC , j2k_read_soc } ,
{ J2K_MS_SOT , J2K_STATE_MH | J2K_STATE_TPHSOT , j2k_read_sot } ,
{ J2K_MS_SOD , J2K_STATE_TPH , j2k_read_sod } ,
{ J2K_MS_EOC , J2K_STATE_TPHSOT , j2k_read_eoc } ,
{ J2K_MS_SIZ , J2K_STATE_MHSIZ , j2k_read_siz } ,
{ J2K_MS_COD , J2K_STATE_MH | J2K_STATE_TPH , j2k_read_cod } ,
{ J2K_MS_COC , J2K_STATE_MH | J2K_STATE_TPH , j2k_read_coc } ,
{ J2K_MS_RGN , J2K_STATE_MH | J2K_STATE_TPH , j2k_read_rgn } ,
{ J2K_MS_QCD , J2K_STATE_MH | J2K_STATE_TPH , j2k_read_qcd } ,
{ J2K_MS_QCC , J2K_STATE_MH | J2K_STATE_TPH , j2k_read_qcc } ,
{ J2K_MS_POC , J2K_STATE_MH | J2K_STATE_TPH , j2k_read_poc } ,
{ J2K_MS_TLM , J2K_STATE_MH , j2k_read_tlm } ,
{ J2K_MS_PLM , J2K_STATE_MH , j2k_read_plm } ,
{ J2K_MS_PLT , J2K_STATE_TPH , j2k_read_plt } ,
{ J2K_MS_PPM , J2K_STATE_MH , j2k_read_ppm } ,
{ J2K_MS_PPT , J2K_STATE_TPH , j2k_read_ppt } ,
{ J2K_MS_SOP , 0 , 0 } ,
{ J2K_MS_CRG , J2K_STATE_MH , j2k_read_crg } ,
{ J2K_MS_COM , J2K_STATE_MH | J2K_STATE_TPH , j2k_read_com } ,
{ 0 , J2K_STATE_MH | J2K_STATE_TPH , j2k_read_unk }
} ;
j2k_dec_mstabent_t * j2k_dec_mstab_lookup ( int id ) {
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j2k_dec_mstabent_t * e ;
for ( e = j2k_dec_mstab ; e - > id ! = 0 ; e + + ) {
if ( e - > id = = id ) {
break ;
}
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}
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return e ;
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}
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int j2k_decode ( unsigned char * src , int len , j2k_image_t * * image , j2k_cp_t * * cp ) {
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if ( setjmp ( j2k_error ) ) {
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if ( j2k_state ! = J2K_STATE_MT ) {
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fprintf ( stderr , " WARNING: incomplete bitstream \n " ) ;
return 0 ;
}
return cio_numbytes ( ) ;
}
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j2k_img = ( j2k_image_t * ) calloc ( 1 , sizeof ( j2k_image_t ) ) ;
j2k_cp = ( j2k_cp_t * ) calloc ( 1 , sizeof ( j2k_cp_t ) ) ;
* image = j2k_img ;
* cp = j2k_cp ;
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j2k_state = J2K_STATE_MHSOC ;
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cio_init ( src , len ) ;
for ( ; ; ) {
j2k_dec_mstabent_t * e ;
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int id = cio_read ( 2 ) ;
if ( id > > 8 ! = 0xff ) {
fprintf ( stderr , " %.8x: expected a marker instead of %x \n " , cio_tell ( ) - 2 , id ) ;
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return 0 ;
}
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e = j2k_dec_mstab_lookup ( id ) ;
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if ( ! ( j2k_state & e - > states ) ) {
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fprintf ( stderr , " %.8x: unexpected marker %x \n " , cio_tell ( ) - 2 , id ) ;
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return 0 ;
}
if ( e - > handler ) {
( * e - > handler ) ( ) ;
}
}
}
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# ifdef WIN32
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# include <windows.h>
BOOL APIENTRY DllMain ( HANDLE hModule , DWORD ul_reason_for_call , LPVOID lpReserved ) {
switch ( ul_reason_for_call ) {
case DLL_PROCESS_ATTACH :
case DLL_THREAD_ATTACH :
case DLL_THREAD_DETACH :
case DLL_PROCESS_DETACH :
break ;
}
return TRUE ;
}
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# endif
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int main ( int argc , char * * argv )
{
FILE * src ;
int totlen ;
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char * j2kfile ;
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j2k_image_t * imgg ;
j2k_cp_t * cp ;
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int version ;
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if ( argc ! = 4 )
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{
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fprintf ( stderr , " \n ERROR in entry : index_create J2K-file JP2-file version \n \n Version : 0, 1, 2 or 3 \n 0 : [faix] 4-byte and no AUX fields \n 1 : [faix] 8-byte and no AUX fields \n 2 : [faix] 4-byte and AUX fields \n 3 : [faix] 8-byte and AUX fields \n " ) ;
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return 1 ;
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}
src = fopen ( argv [ 1 ] , " rb " ) ;
if ( ! src ) {
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fprintf ( stderr , " Failed to open %s for reading !! \n " , argv [ 1 ] ) ;
return 1 ;
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}
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/* length of the codestream */
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fseek ( src , 0 , SEEK_END ) ;
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totlen = ftell ( src ) ;
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fseek ( src , 0 , SEEK_SET ) ;
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j2kfile = ( char * ) malloc ( totlen ) ;
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fread ( j2kfile , 1 , totlen , src ) ;
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fclose ( src ) ;
img . marker = ( info_marker_t * ) malloc ( 32 * sizeof ( info_marker_t ) ) ;
img . num_marker = 0 ;
img . num_max_tile_parts = 0 ;
img . marker_mul . num_COC = 0 ;
img . marker_mul . CzCOC = START_NB ;
img . marker_mul . num_RGN = 0 ;
img . marker_mul . CzRGN = START_NB ;
img . marker_mul . num_QCC = 0 ;
img . marker_mul . CzQCC = START_NB ;
img . marker_mul . num_TLM = 0 ;
img . marker_mul . CzTLM = START_NB ;
img . marker_mul . num_PLM = 0 ;
img . marker_mul . CzPLM = START_NB ;
img . marker_mul . num_PPM = 0 ;
img . marker_mul . CzPPM = START_NB ;
img . marker_mul . num_COM = 0 ;
img . marker_mul . CzCOM = START_NB ;
/* decode */
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if ( ! j2k_decode ( j2kfile , totlen , & imgg , & cp ) ) {
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fprintf ( stderr , " Index_creator: failed to decode image! \n " ) ;
return 1 ;
}
free ( j2kfile ) ;
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// fseek(src, 0, SEEK_SET);
img . codestream_size = totlen ;
sscanf ( argv [ 3 ] , " %d " , & version ) ;
if ( version > 3 )
{
fprintf ( stderr , " Error : value of version unauthorized !! Value accepted : 0, 1, 2 or 3 !! \n " ) ;
return 0 ;
}
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j2k_index_JPIP ( argv [ 2 ] , argv [ 1 ] , totlen * 2 > 60000 ? totlen * 2 : 60000 , version ) ;
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j2k_clean ( ) ;
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return 0 ;
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}
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