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comparison mupdf-source/thirdparty/openjpeg/src/lib/openjp2/ppix_manager.c @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 /*
2 * $Id: ppix_manager.c 897 2011-08-28 21:43:57Z Kaori.Hagihara@gmail.com $
3 *
4 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
5 * Copyright (c) 2002-2014, Professor Benoit Macq
6 * Copyright (c) 2003-2004, Yannick Verschueren
7 * Copyright (c) 2010-2011, Kaori Hagihara
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 /*! \file
33 * \brief Modification of jpip.c from 2KAN indexer
34 */
35
36 #include "opj_includes.h"
37
38 /*
39 * Write faix box of ppix
40 *
41 * @param[in] coff offset of j2k codestream
42 * @param[in] compno component number
43 * @param[in] cstr_info codestream information
44 * @param[in] EPHused true if if EPH option used
45 * @param[in] j2klen length of j2k codestream
46 * @param[in] cio file output handle
47 * @return length of faix box
48 */
49
50
51 int opj_write_ppix(int coff, opj_codestream_info_t cstr_info, OPJ_BOOL EPHused,
52 int j2klen, opj_stream_private_t *cio,
53 opj_event_mgr_t * p_manager)
54 {
55 OPJ_BYTE l_data_header [4];
56 int compno, i;
57 opj_jp2_box_t *box;
58 OPJ_OFF_T lenp;
59 OPJ_UINT32 len;
60
61 /* printf("cstr_info.packno %d\n", cstr_info.packno); //NMAX? */
62
63 lenp = -1;
64 box = (opj_jp2_box_t *)opj_calloc((size_t)cstr_info.numcomps,
65 sizeof(opj_jp2_box_t));
66 if (box == NULL) {
67 return 0;
68 }
69 for (i = 0; i < 2; i++) {
70 if (i)
71
72 {
73 opj_stream_seek(cio, lenp, p_manager);
74 }
75
76 lenp = (OPJ_UINT32)(opj_stream_tell(cio));
77 opj_stream_skip(cio, 4, p_manager); /* L [at the end] */
78 opj_write_bytes(l_data_header, JPIP_PPIX, 4); /* PPIX */
79 opj_stream_write_data(cio, l_data_header, 4, p_manager);
80
81 opj_write_manf(i, cstr_info.numcomps, box, cio, p_manager);
82
83 for (compno = 0; compno < cstr_info.numcomps; compno++) {
84 box[compno].length = (OPJ_UINT32)opj_write_ppixfaix(coff, compno, cstr_info,
85 EPHused, j2klen, cio, p_manager);
86 box[compno].type = JPIP_FAIX;
87 }
88
89
90 len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp);
91 opj_stream_seek(cio, lenp, p_manager);
92 opj_write_bytes(l_data_header, len, 4); /* L */
93 opj_stream_write_data(cio, l_data_header, 4, p_manager);
94 opj_stream_seek(cio, lenp + len, p_manager);
95 }
96
97 opj_free(box);
98
99 return (int)len;
100 }
101
102
103
104 int opj_write_ppixfaix(int coff, int compno, opj_codestream_info_t cstr_info,
105 OPJ_BOOL EPHused, int j2klen, opj_stream_private_t *cio,
106 opj_event_mgr_t * p_manager)
107 {
108 OPJ_BYTE l_data_header [8];
109 OPJ_UINT32 tileno, version, i, nmax, size_of_coding; /* 4 or 8*/
110 OPJ_UINT32 len;
111 OPJ_OFF_T lenp;
112 opj_tile_info_t *tile_Idx;
113 opj_packet_info_t packet;
114 int resno, precno, layno;
115 OPJ_UINT32 num_packet;
116 int numOfres, numOfprec, numOflayers;
117 packet.end_pos = packet.end_ph_pos = packet.start_pos = -1;
118 (void)EPHused; /* unused ? */
119
120 if (j2klen > pow(2, 32)) {
121 size_of_coding = 8;
122 version = 1;
123 } else {
124 size_of_coding = 4;
125 version = 0;
126 }
127
128 lenp = opj_stream_tell(cio);
129 opj_stream_skip(cio, 4, p_manager); /* L [at the end] */
130 opj_write_bytes(l_data_header, JPIP_FAIX, 4); /* FAIX */
131 opj_write_bytes(l_data_header, version, 1);
132 opj_stream_write_data(cio, l_data_header, 1,
133 p_manager); /* Version 0 = 4 bytes */
134
135 nmax = 0;
136 for (i = 0; i <= (OPJ_UINT32)cstr_info.numdecompos[compno]; i++) {
137 nmax += (OPJ_UINT32)(cstr_info.tile[0].ph[i] * cstr_info.tile[0].pw[i] *
138 cstr_info.numlayers);
139 }
140
141 opj_write_bytes(l_data_header, nmax, size_of_coding); /* NMAX */
142 opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
143 opj_write_bytes(l_data_header, (OPJ_UINT32)(cstr_info.tw * cstr_info.th),
144 size_of_coding); /* M */
145 opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
146
147 for (tileno = 0; tileno < (OPJ_UINT32)(cstr_info.tw * cstr_info.th); tileno++) {
148 tile_Idx = &cstr_info.tile[ tileno];
149
150 num_packet = 0;
151 numOfres = cstr_info.numdecompos[compno] + 1;
152
153 for (resno = 0; resno < numOfres ; resno++) {
154 numOfprec = tile_Idx->pw[resno] * tile_Idx->ph[resno];
155 for (precno = 0; precno < numOfprec; precno++) {
156 numOflayers = cstr_info.numlayers;
157 for (layno = 0; layno < numOflayers; layno++) {
158
159 switch (cstr_info.prog) {
160 case OPJ_LRCP:
161 packet = tile_Idx->packet[((layno * numOfres + resno) * cstr_info.numcomps +
162 compno) * numOfprec + precno];
163 break;
164 case OPJ_RLCP:
165 packet = tile_Idx->packet[((resno * numOflayers + layno) * cstr_info.numcomps +
166 compno) * numOfprec + precno];
167 break;
168 case OPJ_RPCL:
169 packet = tile_Idx->packet[((resno * numOfprec + precno) * cstr_info.numcomps +
170 compno) * numOflayers + layno];
171 break;
172 case OPJ_PCRL:
173 packet = tile_Idx->packet[((precno * cstr_info.numcomps + compno) * numOfres +
174 resno) * numOflayers + layno];
175 break;
176 case OPJ_CPRL:
177 packet = tile_Idx->packet[((compno * numOfprec + precno) * numOfres + resno) *
178 numOflayers + layno];
179 break;
180 default:
181 fprintf(stderr, "failed to ppix indexing\n");
182 }
183
184 opj_write_bytes(l_data_header, (OPJ_UINT32)(packet.start_pos - coff),
185 size_of_coding); /* start position */
186 opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
187 opj_write_bytes(l_data_header,
188 (OPJ_UINT32)(packet.end_pos - packet.start_pos + 1),
189 size_of_coding); /* length */
190 opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
191
192 num_packet++;
193 }
194 }
195 }
196
197 while (num_packet < nmax) { /* PADDING */
198 opj_write_bytes(l_data_header, 0,
199 size_of_coding); /* start position */
200 opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
201 opj_write_bytes(l_data_header, 0,
202 size_of_coding); /* length */
203 opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
204 num_packet++;
205 }
206 }
207
208 len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp);
209 opj_stream_seek(cio, lenp, p_manager);
210 opj_write_bytes(l_data_header, len, 4); /* L */
211 opj_stream_write_data(cio, l_data_header, 4, p_manager);
212 opj_stream_seek(cio, lenp + len, p_manager);
213
214 return (int)len;
215 }