2 * Copyright (c) 2001-2003, David Janssens
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3 * Copyright (c) 2002-2003, Yannick Verschueren
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4 * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
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5 * Copyright (c) 2005, Herv� Drolon, FreeImage Team
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6 * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
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7 * Copyright (c) 2005-2006, Dept. of Electronic and Information Engineering, Universita' degli Studi di Perugia, Italy
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8 * All rights reserved.
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10 * Redistribution and use in source and binary forms, with or without
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11 * modification, are permitted provided that the following conditions
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13 * 1. Redistributions of source code must retain the above copyright
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14 * notice, this list of conditions and the following disclaimer.
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15 * 2. Redistributions in binary form must reproduce the above copyright
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16 * notice, this list of conditions and the following disclaimer in the
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17 * documentation and/or other materials provided with the distribution.
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19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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29 * POSSIBILITY OF SUCH DAMAGE.
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34 #include "../libopenjpeg/opj_includes.h"
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36 /** @defgroup JPWL JPWL - JPEG-2000 Part11 (JPWL) codestream manager */
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39 /** @name Local static variables */
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42 /** position of markers to insert */
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43 static jpwl_marker_t jwmarker[JPWL_MAX_NO_MARKERS];
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44 /** number of prepared markers */
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45 static int jwmarker_num;
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51 /** @name Local static functions */
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54 /** create an EPC marker segment
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55 @param j2k J2K compressor handle
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56 @param esd_on true if ESD is activated
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57 @param red_on true if RED is activated
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58 @param epb_on true if EPB is activated
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59 @param info_on true if informative techniques are activated
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60 @return returns the freshly created EPC
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62 jpwl_epc_ms_t *jpwl_epc_create(opj_j2k_t *j2k, bool esd_on, bool red_on, bool epb_on, bool info_on);
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66 /** create an EPC marker segment
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67 @param j2k J2K compressor handle
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68 @param comps considered component (-1=average, 0/1/2/...=component no.)
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69 @param addrm addressing mode (0=packet, 1=byte range, 2=packet range, 3=reserved)
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70 @param ad_size size of addresses (2/4 bytes)
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71 @param senst sensitivity type
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72 @param se_size sensitivity values size (1/2 bytes)
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73 @param tileno tile where this ESD lies (-1 means MH)
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74 @param svalnum number of sensitivity values (if 0, they will be automatically filled)
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75 @param sensval pointer to an array of sensitivity values (if NULL, they will be automatically filled)
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76 @return returns the freshly created ESD
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78 jpwl_esd_ms_t *jpwl_esd_create(opj_j2k_t *j2k, int comps, unsigned char addrm, unsigned char ad_size,
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79 unsigned char senst, int se_size, int tileno,
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80 unsigned long int svalnum, void *sensval);
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82 /** this function is used to compare two JPWL markers based on
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83 their relevant wishlist position
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84 @param arg1 pointer to first marker
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85 @param arg2 pointer to second marker
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86 @return 1 if arg1>arg2, 0 if arg1=arg2, -1 if arg1<arg2
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88 int jpwl_markcomp(const void *arg1, const void *arg2);
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90 /** write an EPB MS to a buffer
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91 @param epbmark pointer to the EPB MS
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92 @param buf pointer to the memory buffer
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94 void jpwl_epb_write(jpwl_epb_ms_t *epbmark, unsigned char *buf);
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96 /** write an EPC MS to a buffer
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97 @param epcmark pointer to the EPC MS
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98 @param buf pointer to the memory buffer
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100 void jpwl_epc_write(jpwl_epc_ms_t *epcmark, unsigned char *buf);
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102 /** write an ESD MS to a buffer
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103 @param esdmark pointer to the ESD MS
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104 @param buf pointer to the memory buffer
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106 void jpwl_esd_write(jpwl_esd_ms_t *esdmark, unsigned char *buf);
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108 /*-----------------------------------------------------------------*/
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110 void jpwl_prepare_marks(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image) {
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112 unsigned short int socsiz_len = 0;
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113 int ciopos = cio_tell(cio);
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114 unsigned char *socp = NULL;
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116 int tileno, tilespec, hprot, sens, pprot, packspec, lastileno, packno;
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118 jpwl_epb_ms_t *epb_mark;
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119 jpwl_epc_ms_t *epc_mark;
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120 jpwl_esd_ms_t *esd_mark;
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122 /* find SOC + SIZ length */
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123 /* I assume SIZ is always the first marker after SOC */
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125 socsiz_len = (unsigned short int) cio_read(cio, 2) + 4; /* add the 2 marks length itself */
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127 socp = cio_getbp(cio); /* pointer to SOC */
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130 EPC MS for Main Header: if we are here it's required
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132 /* create the EPC */
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133 if (epc_mark = jpwl_epc_create(
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135 j2k->cp->esd_on, /* is ESD present? */
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136 j2k->cp->red_on, /* is RED present? */
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137 j2k->cp->epb_on, /* is EPB present? */
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138 false /* are informative techniques present? */
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141 /* Add this marker to the 'insertanda' list */
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143 jwmarker[jwmarker_num].id = J2K_MS_EPC; /* its type */
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144 jwmarker[jwmarker_num].epcmark = epc_mark; /* the EPC */
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145 jwmarker[jwmarker_num].pos = socsiz_len; /* after SIZ */
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146 jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos + 0.1; /* not so first */
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147 jwmarker[jwmarker_num].len = epc_mark->Lepc; /* its length */
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148 jwmarker[jwmarker_num].len_ready = true; /* ready */
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149 jwmarker[jwmarker_num].pos_ready = true; /* ready */
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150 jwmarker[jwmarker_num].parms_ready = false; /* not ready */
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151 jwmarker[jwmarker_num].data_ready = true; /* ready */
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155 opj_event_msg(j2k->cinfo, EVT_INFO,
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156 "MH EPC : setting %s%s%s\n",
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157 j2k->cp->esd_on ? "ESD, " : "",
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158 j2k->cp->red_on ? "RED, " : "",
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159 j2k->cp->epb_on ? "EPB, " : ""
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163 /* ooops, problems */
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164 opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create MH EPC\n");
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168 ESD MS for Main Header
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170 /* first of all, must MH have an ESD MS? */
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171 if (j2k->cp->esd_on && (j2k->cp->sens_MH >= 0)) {
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173 /* Create the ESD */
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174 if (esd_mark = jpwl_esd_create(
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175 j2k, /* this encoder handle */
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176 -1, /* we are averaging over all components */
\r
177 (unsigned char) j2k->cp->sens_range, /* range method */
\r
178 (unsigned char) j2k->cp->sens_addr, /* sensitivity addressing */
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179 (unsigned char) j2k->cp->sens_MH, /* sensitivity method */
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180 j2k->cp->sens_size, /* sensitivity size */
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181 -1, /* this ESD is in main header */
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182 0 /*j2k->image_info->num*/, /* number of packets in codestream */
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183 NULL /*sensval*/ /* pointer to sensitivity data of packets */
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186 /* Add this marker to the 'insertanda' list */
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187 if (jwmarker_num < JPWL_MAX_NO_MARKERS) {
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188 jwmarker[jwmarker_num].id = J2K_MS_ESD; /* its type */
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189 jwmarker[jwmarker_num].esdmark = esd_mark; /* the EPB */
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190 jwmarker[jwmarker_num].pos = socsiz_len; /* we choose to place it after SIZ */
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191 jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos + 0.2; /* not first at all! */
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192 jwmarker[jwmarker_num].len = esd_mark->Lesd; /* its length */
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193 jwmarker[jwmarker_num].len_ready = true; /* not ready, yet */
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194 jwmarker[jwmarker_num].pos_ready = true; /* ready */
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195 jwmarker[jwmarker_num].parms_ready = true; /* not ready */
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196 jwmarker[jwmarker_num].data_ready = false; /* not ready */
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200 opj_event_msg(j2k->cinfo, EVT_INFO,
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201 "MH ESDs: method %d\n",
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206 /* ooops, problems */
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207 opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create MH ESD\n");
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213 ESD MSs for Tile Part Headers
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215 /* cycle through TPHs */
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216 sens = -1; /* default spec: no ESD */
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217 tilespec = 0; /* first tile spec */
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218 for (tileno = 0; tileno < j2k->image_info->tw * j2k->image_info->th; tileno++) {
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220 int sot_len, Psot, Psotp, mm;
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221 unsigned long sot_pos, post_sod_pos;
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223 unsigned long int left_THmarks_len;
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225 sot_pos = j2k->image_info->tile[tileno].start_pos;
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226 cio_seek(cio, sot_pos + 2);
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227 sot_len = cio_read(cio, 2); /* SOT Len */
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229 Psotp = cio_tell(cio);
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230 Psot = cio_read(cio, 4); /* tile length */
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232 post_sod_pos = j2k->image_info->tile[tileno].end_header + 1;
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233 left_THmarks_len = post_sod_pos - sot_pos;
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235 /* add all the lengths of the markers which are len-ready and stay within SOT and SOD */
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236 for (mm = 0; mm < jwmarker_num; mm++) {
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237 if ((jwmarker[mm].pos >= sot_pos) && (jwmarker[mm].pos < post_sod_pos)) {
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238 if (jwmarker[mm].len_ready)
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239 left_THmarks_len += jwmarker[mm].len + 2;
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241 opj_event_msg(j2k->cinfo, EVT_ERROR, "MS %x in %f is not len-ready: could not set up TH EPB\n",
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242 jwmarker[mm].id, jwmarker[mm].dpos);
\r
248 if ((tilespec < JPWL_MAX_NO_TILESPECS) && (j2k->cp->sens_TPH_tileno[tilespec] == tileno))
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249 /* we got a specification from this tile onwards */
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250 sens = j2k->cp->sens_TPH[tilespec++];
\r
252 /* must this TPH have an ESD MS? */
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253 if (j2k->cp->esd_on && (sens >= 0)) {
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255 /* Create the ESD */
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256 if (esd_mark = jpwl_esd_create(
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257 j2k, /* this encoder handle */
\r
258 -1, /* we are averaging over all components */
\r
259 (unsigned char) j2k->cp->sens_range, /* range method */
\r
260 (unsigned char) j2k->cp->sens_addr, /* sensitivity addressing size */
\r
261 (unsigned char) sens, /* sensitivity method */
\r
262 j2k->cp->sens_size, /* sensitivity value size */
\r
263 tileno, /* this ESD is in a tile */
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264 0, /* number of packets in codestream */
\r
265 NULL /* pointer to sensitivity data of packets */
\r
268 /* Add this marker to the 'insertanda' list */
\r
269 if (jwmarker_num < JPWL_MAX_NO_MARKERS) {
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270 jwmarker[jwmarker_num].id = J2K_MS_ESD; /* its type */
\r
271 jwmarker[jwmarker_num].esdmark = esd_mark; /* the EPB */
\r
272 jwmarker[jwmarker_num].pos = j2k->image_info->tile[tileno].start_pos + sot_len + 2; /* after SOT */
\r
273 jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos + 0.2; /* not first at all! */
\r
274 jwmarker[jwmarker_num].len = esd_mark->Lesd; /* its length */
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275 jwmarker[jwmarker_num].len_ready = true; /* ready, yet */
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276 jwmarker[jwmarker_num].pos_ready = true; /* ready */
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277 jwmarker[jwmarker_num].parms_ready = true; /* not ready */
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278 jwmarker[jwmarker_num].data_ready = false; /* ready */
\r
282 /* update Psot of the tile */
\r
283 cio_seek(cio, Psotp);
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284 cio_write(cio, Psot + esd_mark->Lesd + 2, 4);
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286 opj_event_msg(j2k->cinfo, EVT_INFO,
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287 "TPH ESDs: tile %02d, method %d\n",
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293 /* ooops, problems */
\r
294 opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create TPH ESD #%d\n", tileno);
\r
302 EPB MS for Main Header
\r
304 /* first of all, must MH have an EPB MS? */
\r
305 if (j2k->cp->epb_on && (j2k->cp->hprot_MH > 0)) {
\r
309 /* position of SOT */
\r
310 unsigned int sot_pos = j2k->image_info->main_head_end + 1;
\r
312 /* how much space is there between end of SIZ and beginning of SOT? */
\r
313 int left_MHmarks_len = sot_pos - socsiz_len;
\r
315 /* add all the lengths of the markers which are len-ready and stay within SOC and SOT */
\r
316 for (mm = 0; mm < jwmarker_num; mm++) {
\r
317 if ((jwmarker[mm].pos >=0) && (jwmarker[mm].pos < sot_pos)) {
\r
318 if (jwmarker[mm].len_ready)
\r
319 left_MHmarks_len += jwmarker[mm].len + 2;
\r
321 opj_event_msg(j2k->cinfo, EVT_ERROR, "MS %x in %f is not len-ready: could not set up MH EPB\n",
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322 jwmarker[mm].id, jwmarker[mm].dpos);
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328 /* Create the EPB */
\r
329 if (epb_mark = jpwl_epb_create(
\r
330 j2k, /* this encoder handle */
\r
331 true, /* is it the latest? */
\r
332 true, /* is it packed? not for now */
\r
333 -1, /* we are in main header */
\r
334 0, /* its index is 0 (first) */
\r
335 j2k->cp->hprot_MH, /* protection type parameters of data */
\r
336 socsiz_len, /* pre-data: only SOC+SIZ */
\r
337 left_MHmarks_len /* post-data: from SOC to SOT, and all JPWL markers within */
\r
340 /* Add this marker to the 'insertanda' list */
\r
341 if (jwmarker_num < JPWL_MAX_NO_MARKERS) {
\r
342 jwmarker[jwmarker_num].id = J2K_MS_EPB; /* its type */
\r
343 jwmarker[jwmarker_num].epbmark = epb_mark; /* the EPB */
\r
344 jwmarker[jwmarker_num].pos = socsiz_len; /* after SIZ */
\r
345 jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos; /* first first first! */
\r
346 jwmarker[jwmarker_num].len = epb_mark->Lepb; /* its length */
\r
347 jwmarker[jwmarker_num].len_ready = true; /* ready */
\r
348 jwmarker[jwmarker_num].pos_ready = true; /* ready */
\r
349 jwmarker[jwmarker_num].parms_ready = true; /* ready */
\r
350 jwmarker[jwmarker_num].data_ready = false; /* not ready */
\r
354 opj_event_msg(j2k->cinfo, EVT_INFO,
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355 "MH EPB : prot. %d\n",
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360 /* ooops, problems */
\r
361 opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create MH EPB\n");
\r
366 EPB MSs for Tile Parts
\r
368 /* cycle through TPHs */
\r
369 hprot = j2k->cp->hprot_MH; /* default spec */
\r
370 tilespec = 0; /* first tile spec */
\r
374 for (tileno = 0; tileno < j2k->image_info->tw * j2k->image_info->th; tileno++) {
\r
376 int sot_len, Psot, Psotp, mm, epb_index = 0, prot_len = 0;
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377 unsigned long sot_pos, post_sod_pos;
\r
378 unsigned long int left_THmarks_len, epbs_len = 0;
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379 int startpack = 0, stoppack = j2k->image_info->num;
\r
380 jpwl_epb_ms_t *tph_epb = NULL;
\r
382 sot_pos = j2k->image_info->tile[tileno].start_pos;
\r
383 cio_seek(cio, sot_pos + 2);
\r
384 sot_len = cio_read(cio, 2); /* SOT Len */
\r
386 Psotp = cio_tell(cio);
\r
387 Psot = cio_read(cio, 4); /* tile length */
\r
389 /* a-priori length of the data dwelling between SOT and SOD */
\r
390 post_sod_pos = j2k->image_info->tile[tileno].end_header + 1;
\r
391 left_THmarks_len = post_sod_pos - (sot_pos + sot_len + 2);
\r
393 /* add all the lengths of the JPWL markers which are len-ready and stay within SOT and SOD */
\r
394 for (mm = 0; mm < jwmarker_num; mm++) {
\r
395 if ((jwmarker[mm].pos >= sot_pos) && (jwmarker[mm].pos < post_sod_pos)) {
\r
396 if (jwmarker[mm].len_ready)
\r
397 left_THmarks_len += jwmarker[mm].len + 2;
\r
399 opj_event_msg(j2k->cinfo, EVT_ERROR, "MS %x in %f is not len-ready: could not set up TH EPB\n",
\r
400 jwmarker[mm].id, jwmarker[mm].dpos);
\r
406 if ((tilespec < JPWL_MAX_NO_TILESPECS) && (j2k->cp->hprot_TPH_tileno[tilespec] == tileno))
\r
407 /* we got a specification from this tile onwards */
\r
408 hprot = j2k->cp->hprot_TPH[tilespec++];
\r
410 /* must this TPH have an EPB MS? */
\r
411 if (j2k->cp->epb_on && (hprot > 0)) {
\r
413 /* Create the EPB */
\r
414 if (epb_mark = jpwl_epb_create(
\r
415 j2k, /* this encoder handle */
\r
416 false, /* is it the latest? in TPH, no for now (if huge data size in TPH, we'd need more) */
\r
417 true, /* is it packed? yes for now */
\r
418 tileno, /* we are in TPH */
\r
419 epb_index++, /* its index is 0 (first) */
\r
420 hprot, /* protection type parameters of following data */
\r
421 sot_len + 2, /* pre-data length: only SOT */
\r
422 left_THmarks_len /* post-data length: from SOT end to SOD inclusive */
\r
425 /* Add this marker to the 'insertanda' list */
\r
426 if (jwmarker_num < JPWL_MAX_NO_MARKERS) {
\r
427 jwmarker[jwmarker_num].id = J2K_MS_EPB; /* its type */
\r
428 jwmarker[jwmarker_num].epbmark = epb_mark; /* the EPB */
\r
429 jwmarker[jwmarker_num].pos = j2k->image_info->tile[tileno].start_pos + sot_len + 2; /* after SOT */
\r
430 jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos; /* first first first! */
\r
431 jwmarker[jwmarker_num].len = epb_mark->Lepb; /* its length */
\r
432 jwmarker[jwmarker_num].len_ready = true; /* ready */
\r
433 jwmarker[jwmarker_num].pos_ready = true; /* ready */
\r
434 jwmarker[jwmarker_num].parms_ready = true; /* ready */
\r
435 jwmarker[jwmarker_num].data_ready = false; /* not ready */
\r
439 /* update Psot of the tile */
\r
440 Psot += epb_mark->Lepb + 2;
\r
442 opj_event_msg(j2k->cinfo, EVT_INFO,
\r
443 "TPH EPB : tile %02d, prot. %d\n",
\r
448 /* save this TPH EPB address */
\r
449 tph_epb = epb_mark;
\r
452 /* ooops, problems */
\r
453 opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create TPH EPB #%d\n", tileno);
\r
459 /* EPB MSs for UEP packet data protection in Tile Parts */
\r
460 for (packno = 0; packno < j2k->image_info->num; packno++) {
\r
462 if ((packspec < JPWL_MAX_NO_PACKSPECS) &&
\r
463 (j2k->cp->pprot_tileno[packspec] == tileno) && (j2k->cp->pprot_packno[packspec] == packno)) {
\r
465 /* we got a specification from this tile and packet onwards */
\r
466 /* print the previous spec */
\r
468 stoppack = packno - 1;
\r
469 opj_event_msg(j2k->cinfo, EVT_INFO,
\r
470 "UEP EPBs: tile %02d, packs. %02d-%02d (B %d-%d), prot. %d\n",
\r
474 j2k->image_info->tile[tileno].packet[startpack].start_pos,
\r
475 j2k->image_info->tile[tileno].packet[stoppack].end_pos,
\r
478 prot_len = j2k->image_info->tile[tileno].packet[stoppack].end_pos + 1 -
\r
479 j2k->image_info->tile[tileno].packet[startpack].start_pos;
\r
482 particular case: if this is the last header and the last packet,
\r
483 then it is better to protect even the EOC marker
\r
485 if ((tileno == ((j2k->image_info->tw * j2k->image_info->th) - 1)) &&
\r
486 (stoppack == (j2k->image_info->num - 1)))
\r
487 /* add the EOC len */
\r
490 /* let's add the EPBs */
\r
491 Psot += jpwl_epbs_add(
\r
492 j2k, /* J2K handle */
\r
493 jwmarker, /* pointer to JPWL markers list */
\r
494 &jwmarker_num, /* pointer to the number of current markers */
\r
495 false, /* latest */
\r
497 false, /* inside MH */
\r
498 &epb_index, /* pointer to EPB index */
\r
499 pprot, /* protection type */
\r
500 (double) (j2k->image_info->tile[tileno].start_pos + sot_len + 2) + 0.0001, /* position */
\r
501 tileno, /* number of tile */
\r
502 0, /* length of pre-data */
\r
503 prot_len /*4000*/ /* length of post-data */
\r
507 startpack = packno;
\r
508 pprot = j2k->cp->pprot[packspec++];
\r
511 //printf("Tile %02d, pack %02d ==> %d\n", tileno, packno, pprot);
\r
515 /* we are at the end: print the remaining spec */
\r
516 stoppack = packno - 1;
\r
519 opj_event_msg(j2k->cinfo, EVT_INFO,
\r
520 "UEP EPBs: tile %02d, packs. %02d-%02d (B %d-%d), prot. %d\n",
\r
524 j2k->image_info->tile[tileno].packet[startpack].start_pos,
\r
525 j2k->image_info->tile[tileno].packet[stoppack].end_pos,
\r
528 prot_len = j2k->image_info->tile[tileno].packet[stoppack].end_pos + 1 -
\r
529 j2k->image_info->tile[tileno].packet[startpack].start_pos;
\r
532 particular case: if this is the last header and the last packet,
\r
533 then it is better to protect even the EOC marker
\r
535 if ((tileno == ((j2k->image_info->tw * j2k->image_info->th) - 1)) &&
\r
536 (stoppack == (j2k->image_info->num - 1)))
\r
537 /* add the EOC len */
\r
540 /* let's add the EPBs */
\r
541 Psot += jpwl_epbs_add(
\r
542 j2k, /* J2K handle */
\r
543 jwmarker, /* pointer to JPWL markers list */
\r
544 &jwmarker_num, /* pointer to the number of current markers */
\r
547 false, /* inside MH */
\r
548 &epb_index, /* pointer to EPB index */
\r
549 pprot, /* protection type */
\r
550 (double) (j2k->image_info->tile[tileno].start_pos + sot_len + 2) + 0.0001, /* position */
\r
551 tileno, /* number of tile */
\r
552 0, /* length of pre-data */
\r
553 prot_len /*4000*/ /* length of post-data */
\r
557 /* we can now check if the TPH EPB was really the last one */
\r
558 if (tph_epb && (epb_index == 1)) {
\r
559 /* set the TPH EPB to be the last one in current header */
\r
560 tph_epb->Depb |= (unsigned char) ((true & 0x0001) << 6);
\r
564 /* write back Psot */
\r
565 cio_seek(cio, Psotp);
\r
566 cio_write(cio, Psot, 4);
\r
570 /* reset the position */
\r
571 cio_seek(cio, ciopos);
\r
575 void jpwl_dump_marks(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image) {
\r
578 unsigned long int old_size = j2k->image_info->codestream_size;
\r
579 unsigned long int new_size = old_size;
\r
580 int ciopos = cio_tell(cio);
\r
581 unsigned char *jpwl_buf, *orig_buf;
\r
582 unsigned long int orig_pos;
\r
583 double epbcoding_time = 0.0, esdcoding_time = 0.0;
\r
585 /* Order JPWL markers according to their wishlist position */
\r
586 qsort((void *) jwmarker, (size_t) jwmarker_num, sizeof (jpwl_marker_t), jpwl_markcomp);
\r
588 /* compute markers total size */
\r
589 for (mm = 0; mm < jwmarker_num; mm++) {
\r
590 /*printf("%x, %d, %.10f, %d long\n", jwmarker[mm].id, jwmarker[mm].pos,
\r
591 jwmarker[mm].dpos, jwmarker[mm].len);*/
\r
592 new_size += jwmarker[mm].len + 2;
\r
595 /* allocate a temporary buffer of proper size */
\r
596 if (!(jpwl_buf = (unsigned char *) opj_malloc((size_t) new_size * sizeof (unsigned char)))) {
\r
597 opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not allocate room for JPWL temp codestream buffer\n");
\r
600 orig_buf = jpwl_buf;
\r
602 /* cycle through markers */
\r
603 orig_pos = 0; /* start from the beginning */
\r
604 cio_seek(cio, 0); /* rewind the original */
\r
605 for (mm = 0; mm < jwmarker_num; mm++) {
\r
608 need to copy a piece of the original codestream
\r
611 memcpy(jpwl_buf, cio_getbp(cio), jwmarker[mm].pos - orig_pos);
\r
612 jpwl_buf += jwmarker[mm].pos - orig_pos;
\r
613 orig_pos = jwmarker[mm].pos;
\r
614 cio_seek(cio, orig_pos);
\r
617 then write down the marker
\r
619 switch (jwmarker[mm].id) {
\r
622 jpwl_epb_write(jwmarker[mm].epbmark, jpwl_buf);
\r
626 jpwl_epc_write(jwmarker[mm].epcmark, jpwl_buf);
\r
630 jpwl_esd_write(jwmarker[mm].esdmark, jpwl_buf);
\r
634 memset(jpwl_buf, 0, jwmarker[mm].len + 2); /* placeholder */
\r
641 /* we set the marker dpos to the new position in the JPWL codestream */
\r
642 jwmarker[mm].dpos = (double) (jpwl_buf - orig_buf);
\r
644 /* advance JPWL buffer position */
\r
645 jpwl_buf += jwmarker[mm].len + 2;
\r
649 /* finish remaining original codestream */
\r
650 memcpy(jpwl_buf, cio_getbp(cio), old_size - orig_pos);
\r
651 jpwl_buf += old_size - orig_pos;
\r
652 cio_seek(cio, old_size);
\r
655 update info file based on added markers
\r
657 if (!jpwl_update_info(j2k, jwmarker, jwmarker_num))
\r
658 opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not update OPJ image_info structure\n");
\r
660 /* now we need to repass some markers and fill their data fields */
\r
662 /* first of all, DL and Pcrc in EPCs */
\r
663 for (mm = 0; mm < jwmarker_num; mm++) {
\r
665 /* find the EPCs */
\r
666 if (jwmarker[mm].id == J2K_MS_EPC) {
\r
668 int epc_pos = (int) jwmarker[mm].dpos, pp;
\r
669 unsigned short int mycrc = 0x0000;
\r
671 /* fix and fill the DL field */
\r
672 jwmarker[mm].epcmark->DL = new_size;
\r
673 orig_buf[epc_pos + 6] = (unsigned char) (jwmarker[mm].epcmark->DL >> 24);
\r
674 orig_buf[epc_pos + 7] = (unsigned char) (jwmarker[mm].epcmark->DL >> 16);
\r
675 orig_buf[epc_pos + 8] = (unsigned char) (jwmarker[mm].epcmark->DL >> 8);
\r
676 orig_buf[epc_pos + 9] = (unsigned char) (jwmarker[mm].epcmark->DL >> 0);
\r
678 /* compute the CRC field (excluding itself) */
\r
679 for (pp = 0; pp < 4; pp++)
\r
680 jpwl_updateCRC16(&mycrc, orig_buf[epc_pos + pp]);
\r
681 for (pp = 6; pp < (jwmarker[mm].len + 2); pp++)
\r
682 jpwl_updateCRC16(&mycrc, orig_buf[epc_pos + pp]);
\r
684 /* fix and fill the CRC */
\r
685 jwmarker[mm].epcmark->Pcrc = mycrc;
\r
686 orig_buf[epc_pos + 4] = (unsigned char) (jwmarker[mm].epcmark->Pcrc >> 8);
\r
687 orig_buf[epc_pos + 5] = (unsigned char) (jwmarker[mm].epcmark->Pcrc >> 0);
\r
692 /* then, sensitivity data in ESDs */
\r
693 esdcoding_time = opj_clock();
\r
694 for (mm = 0; mm < jwmarker_num; mm++) {
\r
696 /* find the ESDs */
\r
697 if (jwmarker[mm].id == J2K_MS_ESD) {
\r
699 /* remember that they are now in a new position (dpos) */
\r
700 int esd_pos = (int) jwmarker[mm].dpos;
\r
702 jpwl_esd_fill(j2k, jwmarker[mm].esdmark, &orig_buf[esd_pos]);
\r
707 esdcoding_time = opj_clock() - esdcoding_time;
\r
708 if (j2k->cp->esd_on)
\r
709 opj_event_msg(j2k->cinfo, EVT_INFO, "ESDs sensitivities computed in %f s\n", esdcoding_time);
\r
711 /* finally, RS or CRC parity in EPBs */
\r
712 epbcoding_time = opj_clock();
\r
713 for (mm = 0; mm < jwmarker_num; mm++) {
\r
715 /* find the EPBs */
\r
716 if (jwmarker[mm].id == J2K_MS_EPB) {
\r
718 /* remember that they are now in a new position (dpos) */
\r
721 /* let's see how many EPBs are following this one, included itself */
\r
722 /* for this to work, we suppose that the markers are correctly ordered */
\r
723 /* and, overall, that they are in packed mode inside headers */
\r
725 for (nn = mm; (nn < jwmarker_num) && (jwmarker[nn].id == J2K_MS_EPB) &&
\r
726 (jwmarker[nn].pos == jwmarker[mm].pos); nn++)
\r
727 accum_len += jwmarker[nn].epbmark->Lepb + 2;
\r
729 /* fill the current (first) EPB with post-data starting from the computed position */
\r
730 jpwl_epb_fill(j2k, jwmarker[mm].epbmark, &orig_buf[(int) jwmarker[mm].dpos],
\r
731 &orig_buf[(int) jwmarker[mm].dpos + accum_len]);
\r
733 /* fill the remaining EPBs in the header with post-data starting from the last position */
\r
734 for (nn = mm + 1; (nn < jwmarker_num) && (jwmarker[nn].id == J2K_MS_EPB) &&
\r
735 (jwmarker[nn].pos == jwmarker[mm].pos); nn++)
\r
736 jpwl_epb_fill(j2k, jwmarker[nn].epbmark, &orig_buf[(int) jwmarker[nn].dpos], NULL);
\r
738 /* skip all the processed EPBs */
\r
743 epbcoding_time = opj_clock() - epbcoding_time;
\r
744 if (j2k->cp->epb_on)
\r
745 opj_event_msg(j2k->cinfo, EVT_INFO, "EPBs redundancy computed in %f s\n", epbcoding_time);
\r
747 /* free original cio buffer and set it to the JPWL one */
\r
748 opj_free(cio->buffer);
\r
749 /*cio->cinfo;*/ /* no change */
\r
750 /*cio->openmode;*/ /* no change */
\r
751 cio->buffer = jpwl_buf - new_size;
\r
752 cio->length = new_size;
\r
753 cio->start = jpwl_buf - new_size;
\r
754 cio->end = jpwl_buf - 1;
\r
755 cio->bp = jpwl_buf - new_size;
\r
756 cio_seek(cio, new_size);
\r
761 void j2k_read_epc(opj_j2k_t *j2k) {
\r
762 unsigned long int DL, Lepcp, Pcrcp, l;
\r
763 unsigned short int Lepc, Pcrc = 0x0000;
\r
764 unsigned char Pepc;
\r
765 opj_cio_t *cio = j2k->cio;
\r
768 /* Simply read the EPC parameters */
\r
769 Lepcp = cio_tell(cio);
\r
770 Lepc = cio_read(cio, 2);
\r
771 Pcrcp = cio_tell(cio);
\r
772 cio_skip(cio, 2); /* Pcrc */
\r
773 DL = cio_read(cio, 4);
\r
774 Pepc = cio_read(cio, 1);
\r
777 cio_seek(cio, Lepcp - 2);
\r
780 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
\r
781 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
\r
784 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
\r
785 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
\r
790 /* read all remaining */
\r
791 for (l = 4; l < Lepc; l++)
\r
792 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
\r
794 /* check Pcrc with the result */
\r
795 cio_seek(cio, Pcrcp);
\r
796 ans1 = (Pcrc == (unsigned short int) cio_read(cio, 2)) ? "crc-ok" : "crc-ko";
\r
798 /* now we write them to screen */
\r
799 opj_event_msg(j2k->cinfo, EVT_INFO,
\r
800 "EPC(%u,%d): %s, DL=%d%s %s %s\n",
\r
804 DL, /* data length this EPC is referring to */
\r
805 (Pepc & 0x10) ? ", esd" : "", /* ESD is present */
\r
806 (Pepc & 0x20) ? ", red" : "", /* RED is present */
\r
807 (Pepc & 0x40) ? ", epb" : ""); /* EPB is present */
\r
809 cio_seek(cio, Lepcp + Lepc);
\r
812 void j2k_write_epc(opj_j2k_t *j2k) {
\r
814 unsigned long int DL, Lepcp, Pcrcp, l;
\r
815 unsigned short int Lepc, Pcrc;
\r
816 unsigned char Pepc;
\r
818 opj_cio_t *cio = j2k->cio;
\r
820 cio_write(cio, J2K_MS_EPC, 2); /* EPC */
\r
821 Lepcp = cio_tell(cio);
\r
824 /* CRC-16 word of the EPC */
\r
825 Pcrc = 0x0000; /* initialize */
\r
826 Pcrcp = cio_tell(cio);
\r
827 cio_write(cio, Pcrc, 2); /* Pcrc placeholder*/
\r
829 /* data length of the EPC protection domain */
\r
830 DL = 0x00000000; /* we leave this set to 0, as if the information is not available */
\r
831 cio_write(cio, DL, 4); /* DL */
\r
833 /* jpwl capabilities */
\r
835 cio_write(cio, Pepc, 1); /* Pepc */
\r
838 /* no ID's, as of now */
\r
840 Lepc = (unsigned short) (cio_tell(cio) - Lepcp);
\r
841 cio_seek(cio, Lepcp);
\r
842 cio_write(cio, Lepc, 2); /* Lepc */
\r
845 cio_seek(cio, Lepcp - 2);
\r
848 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
\r
849 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
\r
852 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
\r
853 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
\r
858 /* read all remaining */
\r
859 for (l = 4; l < Lepc; l++)
\r
860 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
\r
862 /* fill Pcrc with the result */
\r
863 cio_seek(cio, Pcrcp);
\r
864 cio_write(cio, Pcrc, 2);
\r
866 cio_seek(cio, Lepcp + Lepc);
\r
869 void j2k_read_epb(opj_j2k_t *j2k) {
\r
870 unsigned long int LDPepb, Pepb;
\r
871 unsigned short int Lepb;
\r
872 unsigned char Depb;
\r
873 char str1[25] = "";
\r
875 static bool first_in_tph = true;
\r
876 int type, pre_len, post_len;
\r
877 static unsigned char *redund = NULL;
\r
879 opj_cio_t *cio = j2k->cio;
\r
881 /* B/W = 45, RGB = 51 */
\r
882 /* SIZ SIZ_FIELDS SIZ_COMPS FOLLOWING_MARKER */
\r
883 int skipnum = 2 + 38 + 3 * j2k->cp->exp_comps + 2;
\r
885 if (j2k->cp->correct) {
\r
887 /* go back to EPB marker value */
\r
888 cio_seek(cio, cio_tell(cio) - 2);
\r
890 /* we need to understand where we are */
\r
891 if (j2k->state == J2K_STATE_MH) {
\r
894 pre_len = skipnum; /* SOC+SIZ */
\r
895 post_len = -1; /* auto */
\r
897 } else if ((j2k->state == J2K_STATE_TPH) && first_in_tph) {
\r
898 /* we are in TPH */
\r
899 type = 1; /* TPH */
\r
900 pre_len = 12; /* SOC+SIZ */
\r
901 first_in_tph = false;
\r
902 post_len = -1; /* auto */
\r
905 /* we are elsewhere */
\r
906 type = 2; /* other */
\r
907 pre_len = 0; /* nada */
\r
908 post_len = -1; /* auto */
\r
912 /* call EPB corrector */
\r
913 /*printf("before %x, ", redund);*/
\r
914 status = jpwl_epb_correct(j2k, /* J2K decompressor handle */
\r
915 cio->bp, /* pointer to EPB in codestream buffer */
\r
916 type, /* EPB type: MH */
\r
917 pre_len, /* length of pre-data */
\r
918 post_len, /* length of post-data: -1 means auto */
\r
919 NULL, /* do everything auto */
\r
922 /*printf("after %x\n", redund);*/
\r
924 /* Read the (possibly corrected) EPB parameters */
\r
926 Lepb = cio_read(cio, 2);
\r
927 Depb = cio_read(cio, 1);
\r
928 LDPepb = cio_read(cio, 4);
\r
929 Pepb = cio_read(cio, 4);
\r
933 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL correction could not be performed\n");
\r
935 /* advance to EPB endpoint */
\r
936 cio_skip(cio, Lepb + 2);
\r
941 /* last in current header? */
\r
943 redund = NULL; /* reset the pointer to L4 buffer */
\r
944 first_in_tph = true;
\r
947 /* advance to EPB endpoint */
\r
948 cio_skip(cio, Lepb - 11);
\r
952 /* Simply read the EPB parameters */
\r
953 Lepb = cio_read(cio, 2);
\r
954 Depb = cio_read(cio, 1);
\r
955 LDPepb = cio_read(cio, 4);
\r
956 Pepb = cio_read(cio, 4);
\r
958 /* What does Pepb tells us about the protection method? */
\r
959 if (((Pepb & 0xF0000000) >> 28) == 0)
\r
960 sprintf(str1, "pred"); /* predefined */
\r
961 else if (((Pepb & 0xF0000000) >> 28) == 1)
\r
962 sprintf(str1, "crc-%d", 16 * ((Pepb & 0x00000001) + 1)); /* CRC mode */
\r
963 else if (((Pepb & 0xF0000000) >> 28) == 2)
\r
964 sprintf(str1, "rs(%d,32)", (Pepb & 0x0000FF00) >> 8); /* RS mode */
\r
965 else if (Pepb == 0xFFFFFFFF)
\r
966 sprintf(str1, "nometh"); /* RS mode */
\r
968 sprintf(str1, "unknown"); /* unknown */
\r
970 /* Now we write them to screen */
\r
971 opj_event_msg(j2k->cinfo, EVT_INFO,
\r
972 "EPB(%d): (%sl, %sp, %u), %lu, %s\n",
\r
973 cio_tell(cio) - 13,
\r
974 (Depb & 0x40) ? "" : "n", /* latest EPB or not? */
\r
975 (Depb & 0x80) ? "" : "n", /* packed or unpacked EPB? */
\r
976 (Depb & 0x3F), /* EPB index value */
\r
977 LDPepb, /*length of the data protected by the EPB */
\r
978 str1); /* protection method */
\r
980 cio_skip(cio, Lepb - 11);
\r
984 void j2k_write_epb(opj_j2k_t *j2k) {
\r
985 unsigned long int LDPepb, Pepb, Lepbp;
\r
986 unsigned short int Lepb;
\r
987 unsigned char Depb;
\r
989 opj_cio_t *cio = j2k->cio;
\r
991 cio_write(cio, J2K_MS_EPB, 2); /* EPB */
\r
992 Lepbp = cio_tell(cio);
\r
996 Depb = 0x00; /* test */
\r
997 cio_write(cio, Depb, 1); /* Depb */
\r
999 /* length of the data to be protected by this EPB */
\r
1000 LDPepb = 0x00000000; /* test */
\r
1001 cio_write(cio, LDPepb, 4); /* LDPepb */
\r
1003 /* next error correction tool */
\r
1004 Pepb = 0x00000000; /* test */
\r
1005 cio_write(cio, Pepb, 4); /* Pepb */
\r
1008 /* no data, as of now */
\r
1010 Lepb = (unsigned short) (cio_tell(cio) - Lepbp);
\r
1011 cio_seek(cio, Lepbp);
\r
1012 cio_write(cio, Lepb, 2); /* Lepb */
\r
1014 cio_seek(cio, Lepbp + Lepb);
\r
1017 void j2k_read_esd(opj_j2k_t *j2k) {
\r
1018 unsigned short int Lesd, Cesd;
\r
1019 unsigned char Pesd;
\r
1021 int cesdsize = (j2k->image->numcomps >= 257) ? 2 : 1;
\r
1023 char str1[4][4] = {"p", "br", "pr", "res"};
\r
1024 char str2[8][8] = {"res", "mse", "mse-r", "psnr", "psnr-i", "maxerr", "tse", "res"};
\r
1026 opj_cio_t *cio = j2k->cio;
\r
1028 /* Simply read the ESD parameters */
\r
1029 Lesd = cio_read(cio, 2);
\r
1030 Cesd = cio_read(cio, cesdsize);
\r
1031 Pesd = cio_read(cio, 1);
\r
1033 /* Now we write them to screen */
\r
1034 opj_event_msg(j2k->cinfo, EVT_INFO,
\r
1035 "ESD(%d): c%d, %s, %s, %s, %s, %s\n",
\r
1036 cio_tell(cio) - (5 + cesdsize),
\r
1037 Cesd, /* component number for this ESD */
\r
1038 str1[(Pesd & (unsigned char) 0xC0) >> 6], /* addressing mode */
\r
1039 str2[(Pesd & (unsigned char) 0x38) >> 3], /* sensitivity type */
\r
1040 ((Pesd & (unsigned char) 0x04) >> 2) ? "2Bs" : "1Bs",
\r
1041 ((Pesd & (unsigned char) 0x02) >> 1) ? "4Ba" : "2Ba",
\r
1042 (Pesd & (unsigned char) 0x01) ? "avgc" : "");
\r
1044 cio_skip(cio, Lesd - (3 + cesdsize));
\r
1047 void j2k_read_red(opj_j2k_t *j2k) {
\r
1048 unsigned short int Lred;
\r
1049 unsigned char Pred;
\r
1050 char str1[4][4] = {"p", "br", "pr", "res"};
\r
1052 opj_cio_t *cio = j2k->cio;
\r
1054 /* Simply read the RED parameters */
\r
1055 Lred = cio_read(cio, 2);
\r
1056 Pred = cio_read(cio, 1);
\r
1058 /* Now we write them to screen */
\r
1059 opj_event_msg(j2k->cinfo, EVT_INFO,
\r
1060 "RED(%d): %s, %dc, %s, %s\n",
\r
1061 cio_tell(cio) - 5,
\r
1062 str1[(Pred & (unsigned char) 0xC0) >> 6], /* addressing mode */
\r
1063 (Pred & (unsigned char) 0x38) >> 3, /* corruption level */
\r
1064 ((Pred & (unsigned char) 0x02) >> 1) ? "4Ba" : "2Ba", /* address range */
\r
1065 (Pred & (unsigned char) 0x01) ? "errs" : "free"); /* error free? */
\r
1067 cio_skip(cio, Lred - 3);
\r
1070 bool jpwl_check_tile(opj_j2k_t *j2k, opj_tcd_t *tcd, int tileno) {
\r
1073 we navigate through the tile and find possible invalid parameters:
\r
1074 this saves a lot of crashes!!!!!
\r
1076 int compno, resno, precno, /*layno,*/ bandno, blockno;
\r
1077 int numprecincts, numblocks;
\r
1079 /* this is the selected tile */
\r
1080 opj_tcd_tile_t *tile = &(tcd->tcd_image->tiles[tileno]);
\r
1082 /* will keep the component */
\r
1083 opj_tcd_tilecomp_t *comp = NULL;
\r
1085 /* will keep the resolution */
\r
1086 opj_tcd_resolution_t *res;
\r
1088 /* will keep the subband */
\r
1089 opj_tcd_band_t *band;
\r
1091 /* will keep the precinct */
\r
1092 opj_tcd_precinct_t *prec;
\r
1094 /* will keep the codeblock */
\r
1095 opj_tcd_cblk_t *block;
\r
1097 /* check all tile components */
\r
1098 for (compno = 0; compno < tile->numcomps; compno++) {
\r
1099 comp = &(tile->comps[compno]);
\r
1101 /* check all component resolutions */
\r
1102 for (resno = 0; resno < comp->numresolutions; resno++) {
\r
1103 res = &(comp->resolutions[resno]);
\r
1104 numprecincts = res->pw * res->ph;
\r
1106 /* check all the subbands */
\r
1107 for (bandno = 0; bandno < res->numbands; bandno++) {
\r
1108 band = &(res->bands[bandno]);
\r
1110 /* check all the precincts */
\r
1111 for (precno = 0; precno < numprecincts; precno++) {
\r
1112 prec = &(band->precincts[precno]);
\r
1113 numblocks = prec->ch * prec->cw;
\r
1115 /* check all the codeblocks */
\r
1116 for (blockno = 0; blockno < numblocks; blockno++) {
\r
1117 block = &(prec->cblks[blockno]);
\r
1119 /* x-origin is invalid */
\r
1120 if ((block->x0 < prec->x0) || (block->x0 > prec->x1)) {
\r
1121 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
\r
1122 "JPWL: wrong x-cord of block origin %d => x-prec is (%d, %d)\n",
\r
1123 block->x0, prec->x0, prec->x1);
\r
1124 if (!JPWL_ASSUME || JPWL_ASSUME)
\r
1138 #endif /* USE_JPWL */