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Diffstat (limited to 'indexer_JPIP/jpip.c')
| -rw-r--r-- | indexer_JPIP/jpip.c | 769 |
1 files changed, 0 insertions, 769 deletions
diff --git a/indexer_JPIP/jpip.c b/indexer_JPIP/jpip.c deleted file mode 100644 index 1e43a876..00000000 --- a/indexer_JPIP/jpip.c +++ /dev/null @@ -1,769 +0,0 @@ -/* - * Copyright (c) 2003-2004, Yannick Verschueren - * Copyright (c) 2003-2004, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium - * 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> -#include <unistd.h> - -#include "j2k.h" -#include "cio.h" -#include "tcd.h" -#include "int.h" - -#define JPIP_CIDX 0x63696478 /* Codestream index */ -#define JPIP_CPTR 0x63707472 /* Codestream Finder Box */ -#define JPIP_MANF 0x6d616e66 /* Manifest Box */ -#define JPIP_FAIX 0x66616978 /* Fragment array Index box */ -#define JPIP_MHIX 0x6d686978 /* Main Header Index Table */ -#define JPIP_TPIX 0x74706978 /* Tile-part Index Table box */ -#define JPIP_THIX 0x74686978 /* Tile header Index Table box */ -#define JPIP_PPIX 0x70706978 /* Precinct Packet Index Table box */ -#define JPIP_PHIX 0x70686978 /* Packet Header index Table */ -#define JPIP_FIDX 0x66696478 /* File Index */ -#define JPIP_FPTR 0x66707472 /* File Finder */ -#define JPIP_PRXY 0x70727879 /* Proxy boxes */ -#define JPIP_IPTR 0x69707472 /* Index finder box */ -#define JPIP_PHLD 0x70686c64 /* Place holder */ - -#define JP2C 0x6a703263 - -//static info_marker_t marker_jpip[32], marker_local_jpip[32]; /* SIZE to precise ! */ -//static int num_marker_jpip, num_marker_local_jpip; - -/* - * Write the CPTR box - * - * Codestream finder box (box) - * - */ -void jpip_write_cptr(int offset, info_image_t img) -{ - int len, lenp; - - lenp=cio_tell(); - cio_skip(4); /* L [at the end] */ - cio_write(JPIP_CPTR,4); /* T */ - cio_write(0,2); /* DR A PRECISER !! */ - cio_write(0,2); /* CONT */ - cio_write(offset,8); /* COFF A PRECISER !! */ - cio_write(img.codestream_size,8); /* CLEN */ - len=cio_tell()-lenp; - cio_seek(lenp); - cio_write(len, 4); /* L */ - cio_seek(lenp+len); -} - -/* - * Read the CPTR box - * - * Codestream finder box (box) - * - */ -void jpip_read_cptr() -{ - int DR, CONT; - long long Coff, codestream_size; - - DR = cio_read(2); /* DR */ - CONT = cio_read(2); /* CONT */ - Coff = cio_read(8); /* COFF */ - codestream_size = cio_read(8); /* CLEN */ -} - -/* - * Write the MANF box - * - * Manifest box (box) - * - */ -void jpip_write_manf(int second, int v, info_marker_t *marker) -{ - int len, lenp, i; - lenp=cio_tell(); - cio_skip(4); /* L [at the end] */ - cio_write(JPIP_MANF,4); /* T */ - - if (second) /* Write only during the second pass */ - { - for(i=0;i<v;i++) - { - cio_write(marker[i].len,4); /* Marker length */ - cio_write(marker[i].type,4); /* Marker type */ - } - } - - len=cio_tell()-lenp; - cio_seek(lenp); - cio_write(len, 4); /* L */ - cio_seek(lenp+len); -} - -/* - * Read the MANF box - * - * Manifest box (box) - * - */ -void jpip_read_manf(int len) -{ - int i, v, marker_len, marker_type; - - v = (len - 8)/ 8; - - for(i=0;i<v;i++) - { - marker_len = cio_read(4); /* Marker length */ - marker_type = cio_read(4); /* Marker type */ - } -} - -/* - * Write the MHIX box - * - * Main Header Index Table (box) - * - */ -int jpip_write_mhix(info_image_t img, int status, int tileno) -{ - int len, lenp, i; - info_tile_t *tile; - lenp=cio_tell(); - cio_skip(4); /* L [at the end] */ - cio_write(JPIP_MHIX, 4); /* MHIX */ - - if (status) /* MAIN HEADER */ - { - cio_write(img.Main_head_end,8); /* TLEN */ - - for(i = 0; i < img.num_marker; i++) /* Marker restricted to 1 apparition */ - { - cio_write(img.marker[i].type, 2); - cio_write(0, 2); - cio_write(img.marker[i].start_pos, 8); - cio_write(img.marker[i].len, 2); - } - - /* Marker NOT restricted to 1 apparition */ - for(i = img.marker_mul.num_COC - 1; i >= 0; i--) /* COC */ - { - cio_write(img.marker_mul.COC[i].type, 2); - cio_write(i, 2); - cio_write(img.marker_mul.COC[i].start_pos, 8); - cio_write(img.marker_mul.COC[i].len, 2); - } - - for(i = img.marker_mul.num_RGN - 1; i >= 0; i--) /* RGN */ - { - cio_write(img.marker_mul.RGN[i].type, 2); - cio_write(i, 2); - cio_write(img.marker_mul.RGN[i].start_pos, 8); - cio_write(img.marker_mul.RGN[i].len, 2); - } - - for(i = img.marker_mul.num_QCC - 1; i >= 0; i--) /* QCC */ - { - cio_write(img.marker_mul.QCC[i].type, 2); - cio_write(i, 2); - cio_write(img.marker_mul.QCC[i].start_pos, 8); - cio_write(img.marker_mul.QCC[i].len, 2); - } - - for(i = img.marker_mul.num_TLM - 1; i >= 0; i--) /* TLM */ - { - cio_write(img.marker_mul.TLM[i].type, 2); - cio_write(i, 2); - cio_write(img.marker_mul.TLM[i].start_pos, 8); - cio_write(img.marker_mul.TLM[i].len, 2); - } - - for(i = img.marker_mul.num_PLM - 1; i >= 0; i--) /* PLM */ - { - cio_write(img.marker_mul.PLM[i].type, 2); - cio_write(i, 2); - cio_write(img.marker_mul.PLM[i].start_pos, 8); - cio_write(img.marker_mul.PLM[i].len, 2); - } - - for(i = img.marker_mul.num_PPM - 1; i >= 0; i--) /* PPM */ - { - cio_write(img.marker_mul.PPM[i].type, 2); - cio_write(i, 2); - cio_write(img.marker_mul.PPM[i].start_pos, 8); - cio_write(img.marker_mul.PPM[i].len, 2); - } - - for(i = img.marker_mul.num_COM - 1; i >= 0; i--) /* COM */ - { - cio_write(img.marker_mul.COM[i].type, 2); - cio_write(i, 2); - cio_write(img.marker_mul.COM[i].start_pos, 8); - cio_write(img.marker_mul.COM[i].len, 2); - } - } - else /* TILE HEADER */ - { - tile = &img.tile[tileno]; - cio_write(tile->tile_parts[0].length_header, 8); /* TLEN */ - - for(i = 0; i < tile->num_marker; i++) /* Marker restricted to 1 apparition */ - { - cio_write(tile->marker[i].type, 2); - cio_write(0, 2); - cio_write(tile->marker[i].start_pos, 8); - cio_write(tile->marker[i].len, 2); - } - - /* Marker NOT restricted to 1 apparition */ - for(i = tile->marker_mul.num_COC - 1; i >= 0; i--) /* COC */ - { - cio_write(tile->marker_mul.COC[i].type, 2); - cio_write(i, 2); - cio_write(tile->marker_mul.COC[i].start_pos, 8); - cio_write(tile->marker_mul.COC[i].len, 2); - } - - for(i = tile->marker_mul.num_RGN - 1; i >= 0; i--) /* RGN */ - { - cio_write(tile->marker_mul.RGN[i].type, 2); - cio_write(i, 2); - cio_write(tile->marker_mul.RGN[i].start_pos, 8); - cio_write(tile->marker_mul.RGN[i].len, 2); - } - - for(i = tile->marker_mul.num_QCC - 1; i >= 0; i--) /* QCC */ - { - cio_write(tile->marker_mul.QCC[i].type, 2); - cio_write(i, 2); - cio_write(tile->marker_mul.QCC[i].start_pos, 8); - cio_write(tile->marker_mul.QCC[i].len, 2); - } - - for(i = tile->marker_mul.num_PLT - 1; i >= 0; i--) /* PLT */ - { - cio_write(tile->marker_mul.PLT[i].type,2); - cio_write(i,2); - cio_write(tile->marker_mul.PLT[i].start_pos,8); - cio_write(tile->marker_mul.PLT[i].len,2); - } - - for(i = tile->marker_mul.num_PPT - 1; i >= 0; i--) /* PPT */ - { - cio_write(tile->marker_mul.PPT[i].type, 2); - cio_write(i, 2); - cio_write(tile->marker_mul.PPT[i].start_pos, 8); - cio_write(tile->marker_mul.PPT[i].len, 2); - } - - for(i = tile->marker_mul.num_COM - 1; i >= 0; i--) /* COM */ - { - cio_write(tile->marker_mul.COM[i].type, 2); - cio_write(i, 2); - cio_write(tile->marker_mul.COM[i].start_pos, 8); - cio_write(tile->marker_mul.COM[i].len, 2); - } - } - - len=cio_tell()-lenp; - cio_seek(lenp); - cio_write(len, 4); /* L */ - cio_seek(lenp+len); - - return len; -} - -/* - * Read the MHIX box - * - * Main Header Index Table (box) - * - */ -void jpip_read_mhix(int len) -{ - int i, v, marker_type, marker_start_pos, marker_len, marker_remains; - - v = (len - 8) / 14; - - for (i=0; i<v ; i++) - { - marker_type = cio_read(2); /* Type of the marker */ - marker_remains = cio_read(2); /* Number of same markers following */ - marker_start_pos = cio_read(2); /* Start position of the marker */ - marker_len = cio_read(2); /* Length of the marker */ - } -} - -/* - * Write the FAIX box - * - * Fragment array Index box (box) - * - */ -int jpip_write_faix(int v, int compno, info_image_t img, j2k_cp_t *j2k_cp, int version) -{ - int len, lenp, i, j; - /*int version = 0;*/ - int tileno, resno, precno, layno, num_packet=0; - - lenp=cio_tell(); - cio_skip(4); /* L [at the end] */ - cio_write(JPIP_FAIX, 4); /* FAIX */ - cio_write(version,1); /* Version 0 = 4 bytes */ - - switch(v) - { - case 0: /* TPIX */ - cio_write(img.num_max_tile_parts,(version & 0x01)?8:4); /* NMAX */ - cio_write(img.tw*img.th,(version & 0x01)?8:4); /* M */ - for (i = 0; i < img.tw*img.th; i++) - { - for (j = 0; j < img.tile[i].numparts ; j++) - { - cio_write(img.tile[i].tile_parts[j].start_pos,(version & 0x01)?8:4); /* start position */ - cio_write(img.tile[i].tile_parts[j].length,(version & 0x01)?8:4); /* length */ - if (version & 0x02) - cio_write(img.tile[i].tile_parts[j].num_reso_AUX,4); /* Aux_i,j : Auxiliary value */ - //cio_write(0,4); - } - /* PADDING */ - while (j < img.num_max_tile_parts) - { - cio_write(0,(version & 0x01)?8:4); /* start position */ - cio_write(0,(version & 0x01)?8:4); /* length */ - if (version & 0x02) - cio_write(0,4); /* Aux_i,j : Auxiliary value */ - j++; - } - } - break; - - /* case 1: */ /* THIX */ - /* cio_write(1,(version & 0x01)?8:4); */ /* NMAX */ - /* cio_write(img.tw*img.th,(version & 0x01)?8:4); */ /* M */ - /* for (i=0;i<img.tw*img.th;i++) */ - /* { */ - /* cio_write(img.tile[i].start_pos,(version & 0x01)?8:4); */ /* start position */ - /* cio_write(img.tile[i].end_header-img.tile[i].start_pos,(version & 0x01)?8:4); */ /* length */ - /* if (version & 0x02)*/ - /* cio_write(0,4); */ /* Aux_i,j : Auxiliary value */ - /* } */ - /* break; */ - - case 2: /* PPIX NOT FINISHED !! */ - cio_write(img.num_packet_max,(version & 0x01)?8:4); /* NMAX */ - cio_write(img.tw*img.th,(version & 0x01)?8:4); /* M */ - for(tileno=0;tileno<img.tw*img.th;tileno++) - { - info_tile_t *tile_Idx = &img.tile[tileno]; - info_compo_t *compo_Idx = &tile_Idx->compo[compno]; - int correction; - - num_packet=0; - - if(j2k_cp->tcps[tileno].csty&J2K_CP_CSTY_EPH) - correction=3; - else - correction=1; - for(resno=0;resno<img.Decomposition+1;resno++) - { - info_reso_t *reso_Idx = &compo_Idx->reso[resno]; - for (precno=0;precno<img.tile[tileno].pw*img.tile[tileno].ph;precno++) - { - info_prec_t *prec_Idx = &reso_Idx->prec[precno]; - for(layno=0;layno<img.Layer;layno++) - { - info_layer_t *layer_Idx = &prec_Idx->layer[layno]; - cio_write(layer_Idx->offset,(version & 0x01)?8:4); /* start position */ - cio_write((layer_Idx->len_header-correction)?0:layer_Idx->len,(version & 0x01)?8:4); /* length */ - if (version & 0x02) - cio_write(0,4); /* Aux_i,j : Auxiliary value */ - num_packet++; - } - } - } - /* PADDING */ - while (num_packet < img.num_packet_max) - { - cio_write(0,(version & 0x01)?8:4); /* start position */ - cio_write(0,(version & 0x01)?8:4); /* length */ - if (version & 0x02) - cio_write(0,4); /* Aux_i,j : Auxiliary value */ - num_packet++; - } - } - - break; - - case 3: /* PHIX NOT FINISHED !! */ - cio_write(img.num_packet_max,(version & 0x01)?8:4); /* NMAX */ - cio_write(img.tw*img.th,(version & 0x01)?8:4); /* M */ - for(tileno=0;tileno<img.tw*img.th;tileno++) - { - info_tile_t *tile_Idx = &img.tile[tileno]; - info_compo_t *compo_Idx = &tile_Idx->compo[compno]; - int correction; - - num_packet = 0; - if(j2k_cp->tcps[tileno].csty&J2K_CP_CSTY_EPH) - correction=3; - else - correction=1; - for(resno=0;resno<img.Decomposition+1;resno++) - { - info_reso_t *reso_Idx = &compo_Idx->reso[resno]; - for (precno=0;precno<img.tile[tileno].pw*img.tile[tileno].ph;precno++) - { - info_prec_t *prec_Idx = &reso_Idx->prec[precno]; - for(layno=0;layno<img.Layer;layno++) - { - info_layer_t *layer_Idx = &prec_Idx->layer[layno]; - cio_write(layer_Idx->offset_header,(version & 0x01)?8:4); /* start position */ - cio_write((layer_Idx->len_header-correction)?0:layer_Idx->len_header,(version & 0x01)?8:4); /* length */ - if (version & 0x02) - cio_write(0,4); /* Aux_i,j : Auxiliary value */ - num_packet++; - } - } - } - /* PADDING */ - while (num_packet<img.num_packet_max) - { - cio_write(0,(version & 0x01)?8:4); /* start position */ - cio_write(0,(version & 0x01)?8:4); /* length */ - if (version & 0x02) - cio_write(0,4); /* Aux_i,j : Auxiliary value */ - num_packet++; - } - } - break; - } - - len=cio_tell()-lenp; - cio_seek(lenp); - cio_write(len, 4); /* L */ - cio_seek(lenp+len); - - return len; -} - -/* - * Write the TPIX box - * - * Tile-part Index table box (superbox) - * - */ -int jpip_write_tpix(info_image_t img, j2k_cp_t *j2k_cp, int version) -{ - int len, lenp; - lenp=cio_tell(); - cio_skip(4); /* L [at the end] */ - cio_write(JPIP_TPIX, 4); /* TPIX */ - - jpip_write_faix(0,0,img, j2k_cp, version); - - len=cio_tell()-lenp; - cio_seek(lenp); - cio_write(len, 4); /* L */ - cio_seek(lenp+len); - - return len; -} - -/* - * Write the THIX box - * - * Tile header Index table box (superbox) - * - */ -//int jpip_write_thix(info_image_t img, j2k_cp_t *j2k_cp) -// { -// int len, lenp; -// lenp=cio_tell(); -// cio_skip(4); /* L [at the end] */ -// cio_write(JPIP_THIX, 4); /* THIX */ - -// jpip_write_faix(1,0,img, j2k_cp); - -// len=cio_tell()-lenp; -// cio_seek(lenp); -// cio_write(len, 4); /* L */ -// cio_seek(lenp+len); - -// return len; -//} - -int jpip_write_thix(info_image_t img, j2k_cp_t *j2k_cp) -{ - int len, lenp, i; - int tileno; - info_marker_t *marker; - int num_marker_local_jpip; - - marker = (info_marker_t*)calloc(sizeof(info_marker_t), j2k_cp->tw*j2k_cp->th); - - for ( i = 0; i < 2 ; i++ ) - { - if (i) cio_seek(lenp); - - lenp = cio_tell(); - cio_skip(4); /* L [at the end] */ - cio_write(JPIP_THIX, 4); /* THIX */ - jpip_write_manf(i, j2k_cp->tw*j2k_cp->th, marker); - num_marker_local_jpip=img.Comp; - - for (tileno = 0; tileno < j2k_cp->tw*j2k_cp->th; tileno++) - { - marker[tileno].len = jpip_write_mhix(img, 1, tileno); - marker[tileno].type = JPIP_MHIX; - } - - len=cio_tell()-lenp; - cio_seek(lenp); - cio_write(len, 4); /* L */ - cio_seek(lenp+len); - } - - free(marker); - - return len; -} -/* - * Write the PPIX box - * - * Precinct Packet Index table box (superbox) - * - */ -int jpip_write_ppix(info_image_t img,j2k_cp_t *j2k_cp) -{ - int len, lenp, compno, i; - info_marker_t *marker; - int num_marker_local_jpip; - marker = (info_marker_t*)calloc(sizeof(info_marker_t), img.Comp); - - for (i=0;i<2;i++) - { - if (i) cio_seek(lenp); - - lenp=cio_tell(); - cio_skip(4); /* L [at the end] */ - cio_write(JPIP_PPIX, 4); /* PPIX */ - jpip_write_manf(i,img.Comp,marker); - num_marker_local_jpip=img.Comp; - - for (compno=0; compno<img.Comp; compno++) - { - marker[compno].len=jpip_write_faix(2,compno,img, j2k_cp, 0); - marker[compno].type=JPIP_FAIX; - } - - len=cio_tell()-lenp; - cio_seek(lenp); - cio_write(len, 4); /* L */ - cio_seek(lenp+len); - } - - free(marker); - - return len; -} - -/* - * Write the PHIX box - * - * Packet Header Index table box (superbox) - * - */ -int jpip_write_phix(info_image_t img, j2k_cp_t *j2k_cp) -{ - int len, lenp=0, compno, i; - info_marker_t *marker; - - marker = (info_marker_t*)calloc(sizeof(info_marker_t), img.Comp); - - for (i=0;i<2;i++) - { - if (i) cio_seek(lenp); - - lenp=cio_tell(); - cio_skip(4); /* L [at the end] */ - cio_write(JPIP_PHIX, 4); /* PHIX */ - - jpip_write_manf(i,img.Comp,marker); - - for (compno=0; compno<img.Comp; compno++) - { - marker[compno].len=jpip_write_faix(3,compno,img, j2k_cp, 0); - marker[compno].type=JPIP_FAIX; - } - - len=cio_tell()-lenp; - cio_seek(lenp); - cio_write(len, 4); /* L */ - cio_seek(lenp+len); - } - - free(marker); - - return len; -} - -/* - * Write the CIDX box - * - * Codestream Index box (superbox) - * - */ -int jpip_write_cidx(int offset, info_image_t img, j2k_cp_t *j2k_cp, int version) -{ - int len, lenp = 0, i; - info_marker_t *marker_jpip; - int num_marker_jpip = 0; - - marker_jpip = (info_marker_t*)calloc(sizeof(info_marker_t), 32); - - for (i=0;i<2;i++) - { - if(i) - cio_seek(lenp); - - lenp=cio_tell(); - - cio_skip(4); /* L [at the end] */ - cio_write(JPIP_CIDX, 4); /* CIDX */ - jpip_write_cptr(offset, img); - - jpip_write_manf(i,num_marker_jpip, marker_jpip); - - num_marker_jpip=0; - marker_jpip[num_marker_jpip].len=jpip_write_mhix(img, 0, 0); - marker_jpip[num_marker_jpip].type=JPIP_MHIX; - num_marker_jpip++; - - marker_jpip[num_marker_jpip].len=jpip_write_tpix(img, j2k_cp, version); - marker_jpip[num_marker_jpip].type=JPIP_TPIX; - num_marker_jpip++; - - marker_jpip[num_marker_jpip].len=jpip_write_thix(img, j2k_cp); - marker_jpip[num_marker_jpip].type=JPIP_THIX; - num_marker_jpip++; - - marker_jpip[num_marker_jpip].len=jpip_write_ppix(img, j2k_cp); - marker_jpip[num_marker_jpip].type=JPIP_PPIX; - num_marker_jpip++; - - marker_jpip[num_marker_jpip].len=jpip_write_phix(img, j2k_cp); - marker_jpip[num_marker_jpip].type=JPIP_PHIX; - num_marker_jpip++; - - len=cio_tell()-lenp; - cio_seek(lenp); - cio_write(len, 4); /* L */ - cio_seek(lenp+len); - } - - free(marker_jpip); - - return len; - -} - -/* - * Write the IPTR box - * - * Index Finder box - * - */ -void jpip_write_iptr(int offset, int length) -{ - int len, lenp; - lenp=cio_tell(); - cio_skip(4); /* L [at the end] */ - cio_write(JPIP_IPTR, 4); /* IPTR */ - - cio_write(offset,8); - cio_write(length,8); - - len=cio_tell()-lenp; - cio_seek(lenp); - cio_write(len, 4); /* L */ - cio_seek(lenp+len); -} - -/* - * Write the PRXY box - * - * proxy (box) - * - */ -void jpip_write_prxy(int offset_jp2c, int length_jp2c, int offset_idx, int length_idx) -{ - int len, lenp; - lenp=cio_tell(); - cio_skip(4); /* L [at the end] */ - cio_write(JPIP_PRXY, 4); /* IPTR */ - - cio_write(offset_jp2c,8); /* OOFF */ - cio_write(length_jp2c,4); /* OBH part 1 */ - cio_write(JP2C,4); /* OBH part 2 */ - - cio_write(1,1); /* NI */ - - cio_write(offset_idx,8); /* IOFF */ - cio_write(length_idx,4); /* IBH part 1 */ - cio_write(JPIP_CIDX,4); /* IBH part 2 */ - - len=cio_tell()-lenp; - cio_seek(lenp); - cio_write(len, 4); /* L */ - cio_seek(lenp+len); -} - - -/* - * Write the FIDX box - * - * File Index (superbox) - * - */ -int jpip_write_fidx(int offset_jp2c, int length_jp2c, int offset_idx, int length_idx) -{ - int len, lenp; - lenp=cio_tell(); - cio_skip(4); /* L [at the end] */ - cio_write(JPIP_FIDX, 4); /* IPTR */ - - jpip_write_prxy(offset_jp2c, length_jp2c, offset_idx, offset_jp2c); - - len=cio_tell()-lenp; - cio_seek(lenp); - cio_write(len, 4); /* L */ - cio_seek(lenp+len); - - return len; -} |