Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1 | /* |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2 | * The copyright in this software is being made available under the 2-clauses |
| 3 | * BSD License, included below. This software may be subject to other third |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 4 | * party and contributor rights, including patent rights, and no such rights |
| 5 | * are granted under this license. |
| 6 | * |
| 7 | * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium |
| 8 | * Copyright (c) 2002-2014, Professor Benoit Macq |
| 9 | * Copyright (c) 2001-2003, David Janssens |
| 10 | * Copyright (c) 2002-2003, Yannick Verschueren |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 11 | * Copyright (c) 2003-2007, Francois-Olivier Devaux |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 12 | * Copyright (c) 2003-2014, Antonin Descampe |
| 13 | * Copyright (c) 2005, Herve Drolon, FreeImage Team |
| 14 | * Copyright (c) 2010-2011, Kaori Hagihara |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 15 | * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 16 | * Copyright (c) 2012, CS Systemes d'Information, France |
| 17 | * All rights reserved. |
| 18 | * |
| 19 | * Redistribution and use in source and binary forms, with or without |
| 20 | * modification, are permitted provided that the following conditions |
| 21 | * are met: |
| 22 | * 1. Redistributions of source code must retain the above copyright |
| 23 | * notice, this list of conditions and the following disclaimer. |
| 24 | * 2. Redistributions in binary form must reproduce the above copyright |
| 25 | * notice, this list of conditions and the following disclaimer in the |
| 26 | * documentation and/or other materials provided with the distribution. |
| 27 | * |
| 28 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' |
| 29 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 30 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 31 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| 32 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 33 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 34 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 35 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 36 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 37 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 38 | * POSSIBILITY OF SUCH DAMAGE. |
| 39 | */ |
| 40 | #include "opj_includes.h" |
| 41 | |
| 42 | /** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */ |
| 43 | /*@{*/ |
| 44 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 45 | #define OPJ_BOX_SIZE 1024 |
| 46 | |
| 47 | #define OPJ_UNUSED(x) (void)x |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 48 | |
| 49 | /** @name Local static functions */ |
| 50 | /*@{*/ |
| 51 | |
| 52 | /*static void jp2_write_url(opj_cio_t *cio, char *Idx_file);*/ |
| 53 | |
| 54 | /** |
| 55 | * Reads a IHDR box - Image Header box |
| 56 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 57 | * @param p_image_header_data pointer to actual data (already read from file) |
| 58 | * @param jp2 the jpeg2000 file codec. |
| 59 | * @param p_image_header_size the size of the image header |
| 60 | * @param p_manager the user event manager. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 61 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 62 | * @return true if the image header is valid, false else. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 63 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 64 | static OPJ_BOOL opj_jp2_read_ihdr(opj_jp2_t *jp2, |
| 65 | OPJ_BYTE *p_image_header_data, |
| 66 | OPJ_UINT32 p_image_header_size, |
| 67 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 68 | |
| 69 | /** |
| 70 | * Writes the Image Header box - Image Header box. |
| 71 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 72 | * @param jp2 jpeg2000 file codec. |
| 73 | * @param p_nb_bytes_written pointer to store the nb of bytes written by the function. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 74 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 75 | * @return the data being copied. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 76 | */ |
| 77 | static OPJ_BYTE * opj_jp2_write_ihdr(opj_jp2_t *jp2, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 78 | OPJ_UINT32 * p_nb_bytes_written); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 79 | |
| 80 | /** |
| 81 | * Writes the Bit per Component box. |
| 82 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 83 | * @param jp2 jpeg2000 file codec. |
| 84 | * @param p_nb_bytes_written pointer to store the nb of bytes written by the function. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 85 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 86 | * @return the data being copied. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 87 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 88 | static OPJ_BYTE * opj_jp2_write_bpcc(opj_jp2_t *jp2, |
| 89 | OPJ_UINT32 * p_nb_bytes_written); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 90 | |
| 91 | /** |
| 92 | * Reads a Bit per Component box. |
| 93 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 94 | * @param p_bpc_header_data pointer to actual data (already read from file) |
| 95 | * @param jp2 the jpeg2000 file codec. |
| 96 | * @param p_bpc_header_size the size of the bpc header |
| 97 | * @param p_manager the user event manager. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 98 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 99 | * @return true if the bpc header is valid, false else. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 100 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 101 | static OPJ_BOOL opj_jp2_read_bpcc(opj_jp2_t *jp2, |
| 102 | OPJ_BYTE * p_bpc_header_data, |
| 103 | OPJ_UINT32 p_bpc_header_size, |
| 104 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 105 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 106 | static OPJ_BOOL opj_jp2_read_cdef(opj_jp2_t * jp2, |
| 107 | OPJ_BYTE * p_cdef_header_data, |
| 108 | OPJ_UINT32 p_cdef_header_size, |
| 109 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 110 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 111 | static void opj_jp2_apply_cdef(opj_image_t *image, opj_jp2_color_t *color, |
| 112 | opj_event_mgr_t *); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 113 | |
| 114 | /** |
| 115 | * Writes the Channel Definition box. |
| 116 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 117 | * @param jp2 jpeg2000 file codec. |
| 118 | * @param p_nb_bytes_written pointer to store the nb of bytes written by the function. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 119 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 120 | * @return the data being copied. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 121 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 122 | static OPJ_BYTE * opj_jp2_write_cdef(opj_jp2_t *jp2, |
| 123 | OPJ_UINT32 * p_nb_bytes_written); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 124 | |
| 125 | /** |
| 126 | * Writes the Colour Specification box. |
| 127 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 128 | * @param jp2 jpeg2000 file codec. |
| 129 | * @param p_nb_bytes_written pointer to store the nb of bytes written by the function. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 130 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 131 | * @return the data being copied. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 132 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 133 | static OPJ_BYTE * opj_jp2_write_colr(opj_jp2_t *jp2, |
| 134 | OPJ_UINT32 * p_nb_bytes_written); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 135 | |
| 136 | /** |
| 137 | * Writes a FTYP box - File type box |
| 138 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 139 | * @param cio the stream to write data to. |
| 140 | * @param jp2 the jpeg2000 file codec. |
| 141 | * @param p_manager the user event manager. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 142 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 143 | * @return true if writing was successful. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 144 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 145 | static OPJ_BOOL opj_jp2_write_ftyp(opj_jp2_t *jp2, |
| 146 | opj_stream_private_t *cio, |
| 147 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 148 | |
| 149 | /** |
| 150 | * Reads a a FTYP box - File type box |
| 151 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 152 | * @param p_header_data the data contained in the FTYP box. |
| 153 | * @param jp2 the jpeg2000 file codec. |
| 154 | * @param p_header_size the size of the data contained in the FTYP box. |
| 155 | * @param p_manager the user event manager. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 156 | * |
| 157 | * @return true if the FTYP box is valid. |
| 158 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 159 | static OPJ_BOOL opj_jp2_read_ftyp(opj_jp2_t *jp2, |
| 160 | OPJ_BYTE * p_header_data, |
| 161 | OPJ_UINT32 p_header_size, |
| 162 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 163 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 164 | static OPJ_BOOL opj_jp2_skip_jp2c(opj_jp2_t *jp2, |
| 165 | opj_stream_private_t *stream, |
| 166 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 167 | |
| 168 | /** |
| 169 | * Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box). |
| 170 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 171 | * @param p_header_data the data contained in the file header box. |
| 172 | * @param jp2 the jpeg2000 file codec. |
| 173 | * @param p_header_size the size of the data contained in the file header box. |
| 174 | * @param p_manager the user event manager. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 175 | * |
| 176 | * @return true if the JP2 Header box was successfully recognized. |
| 177 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 178 | static OPJ_BOOL opj_jp2_read_jp2h(opj_jp2_t *jp2, |
| 179 | OPJ_BYTE *p_header_data, |
| 180 | OPJ_UINT32 p_header_size, |
| 181 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 182 | |
| 183 | /** |
| 184 | * Writes the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box). |
| 185 | * |
| 186 | * @param jp2 the jpeg2000 file codec. |
| 187 | * @param stream the stream to write data to. |
| 188 | * @param p_manager user event manager. |
| 189 | * |
| 190 | * @return true if writing was successful. |
| 191 | */ |
| 192 | static OPJ_BOOL opj_jp2_write_jp2h(opj_jp2_t *jp2, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 193 | opj_stream_private_t *stream, |
| 194 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 195 | |
| 196 | /** |
| 197 | * Writes the Jpeg2000 codestream Header box - JP2C Header box. This function must be called AFTER the coding has been done. |
| 198 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 199 | * @param cio the stream to write data to. |
| 200 | * @param jp2 the jpeg2000 file codec. |
| 201 | * @param p_manager user event manager. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 202 | * |
| 203 | * @return true if writing was successful. |
| 204 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 205 | static OPJ_BOOL opj_jp2_write_jp2c(opj_jp2_t *jp2, |
| 206 | opj_stream_private_t *cio, |
| 207 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 208 | |
| 209 | #ifdef USE_JPIP |
| 210 | /** |
| 211 | * Write index Finder box |
| 212 | * @param cio the stream to write to. |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 213 | * @param jp2 the jpeg2000 file codec. |
| 214 | * @param p_manager user event manager. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 215 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 216 | static OPJ_BOOL opj_jpip_write_iptr(opj_jp2_t *jp2, |
| 217 | opj_stream_private_t *cio, |
| 218 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 219 | |
| 220 | /** |
| 221 | * Write index Finder box |
| 222 | * @param cio the stream to write to. |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 223 | * @param jp2 the jpeg2000 file codec. |
| 224 | * @param p_manager user event manager. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 225 | */ |
| 226 | static OPJ_BOOL opj_jpip_write_cidx(opj_jp2_t *jp2, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 227 | opj_stream_private_t *cio, |
| 228 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 229 | |
| 230 | /** |
| 231 | * Write file Index (superbox) |
| 232 | * @param cio the stream to write to. |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 233 | * @param jp2 the jpeg2000 file codec. |
| 234 | * @param p_manager user event manager. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 235 | */ |
| 236 | static OPJ_BOOL opj_jpip_write_fidx(opj_jp2_t *jp2, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 237 | opj_stream_private_t *cio, |
| 238 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 239 | #endif /* USE_JPIP */ |
| 240 | |
| 241 | /** |
| 242 | * Reads a jpeg2000 file signature box. |
| 243 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 244 | * @param p_header_data the data contained in the signature box. |
| 245 | * @param jp2 the jpeg2000 file codec. |
| 246 | * @param p_header_size the size of the data contained in the signature box. |
| 247 | * @param p_manager the user event manager. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 248 | * |
| 249 | * @return true if the file signature box is valid. |
| 250 | */ |
| 251 | static OPJ_BOOL opj_jp2_read_jp(opj_jp2_t *jp2, |
| 252 | OPJ_BYTE * p_header_data, |
| 253 | OPJ_UINT32 p_header_size, |
| 254 | opj_event_mgr_t * p_manager); |
| 255 | |
| 256 | /** |
| 257 | * Writes a jpeg2000 file signature box. |
| 258 | * |
| 259 | * @param cio the stream to write data to. |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 260 | * @param jp2 the jpeg2000 file codec. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 261 | * @param p_manager the user event manager. |
| 262 | * |
| 263 | * @return true if writing was successful. |
| 264 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 265 | static OPJ_BOOL opj_jp2_write_jp(opj_jp2_t *jp2, |
| 266 | opj_stream_private_t *cio, |
| 267 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 268 | |
| 269 | /** |
| 270 | Apply collected palette data |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 271 | @param image Image. |
| 272 | @param color Collector for profile, cdef and pclr data. |
| 273 | @param p_manager the user event manager. |
| 274 | @return true in case of success |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 275 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 276 | static OPJ_BOOL opj_jp2_apply_pclr(opj_image_t *image, |
| 277 | opj_jp2_color_t *color, |
| 278 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 279 | |
| 280 | static void opj_jp2_free_pclr(opj_jp2_color_t *color); |
| 281 | |
| 282 | /** |
| 283 | * Collect palette data |
| 284 | * |
| 285 | * @param jp2 JP2 handle |
| 286 | * @param p_pclr_header_data FIXME DOC |
| 287 | * @param p_pclr_header_size FIXME DOC |
| 288 | * @param p_manager |
| 289 | * |
| 290 | * @return Returns true if successful, returns false otherwise |
| 291 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 292 | static OPJ_BOOL opj_jp2_read_pclr(opj_jp2_t *jp2, |
| 293 | OPJ_BYTE * p_pclr_header_data, |
| 294 | OPJ_UINT32 p_pclr_header_size, |
| 295 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 296 | |
| 297 | /** |
| 298 | * Collect component mapping data |
| 299 | * |
| 300 | * @param jp2 JP2 handle |
| 301 | * @param p_cmap_header_data FIXME DOC |
| 302 | * @param p_cmap_header_size FIXME DOC |
| 303 | * @param p_manager FIXME DOC |
| 304 | * |
| 305 | * @return Returns true if successful, returns false otherwise |
| 306 | */ |
| 307 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 308 | static OPJ_BOOL opj_jp2_read_cmap(opj_jp2_t * jp2, |
| 309 | OPJ_BYTE * p_cmap_header_data, |
| 310 | OPJ_UINT32 p_cmap_header_size, |
| 311 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 312 | |
| 313 | /** |
| 314 | * Reads the Color Specification box. |
| 315 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 316 | * @param p_colr_header_data pointer to actual data (already read from file) |
| 317 | * @param jp2 the jpeg2000 file codec. |
| 318 | * @param p_colr_header_size the size of the color header |
| 319 | * @param p_manager the user event manager. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 320 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 321 | * @return true if the bpc header is valid, false else. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 322 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 323 | static OPJ_BOOL opj_jp2_read_colr(opj_jp2_t *jp2, |
| 324 | OPJ_BYTE * p_colr_header_data, |
| 325 | OPJ_UINT32 p_colr_header_size, |
| 326 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 327 | |
| 328 | /*@}*/ |
| 329 | |
| 330 | /*@}*/ |
| 331 | |
| 332 | /** |
| 333 | * Sets up the procedures to do on writing header after the codestream. |
| 334 | * Developpers wanting to extend the library can add their own writing procedures. |
| 335 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 336 | static OPJ_BOOL opj_jp2_setup_end_header_writing(opj_jp2_t *jp2, |
| 337 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 338 | |
| 339 | /** |
| 340 | * Sets up the procedures to do on reading header after the codestream. |
| 341 | * Developpers wanting to extend the library can add their own writing procedures. |
| 342 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 343 | static OPJ_BOOL opj_jp2_setup_end_header_reading(opj_jp2_t *jp2, |
| 344 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 345 | |
| 346 | /** |
| 347 | * Reads a jpeg2000 file header structure. |
| 348 | * |
| 349 | * @param jp2 the jpeg2000 file header structure. |
| 350 | * @param stream the stream to read data from. |
| 351 | * @param p_manager the user event manager. |
| 352 | * |
| 353 | * @return true if the box is valid. |
| 354 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 355 | static OPJ_BOOL opj_jp2_read_header_procedure(opj_jp2_t *jp2, |
| 356 | opj_stream_private_t *stream, |
| 357 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 358 | |
| 359 | /** |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 360 | * Executes the given procedures on the given codec. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 361 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 362 | * @param p_procedure_list the list of procedures to execute |
| 363 | * @param jp2 the jpeg2000 file codec to execute the procedures on. |
| 364 | * @param stream the stream to execute the procedures on. |
| 365 | * @param p_manager the user manager. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 366 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 367 | * @return true if all the procedures were successfully executed. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 368 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 369 | static OPJ_BOOL opj_jp2_exec(opj_jp2_t * jp2, |
| 370 | opj_procedure_list_t * p_procedure_list, |
| 371 | opj_stream_private_t *stream, |
| 372 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 373 | |
| 374 | /** |
| 375 | * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure. |
| 376 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 377 | * @param cio the input stream to read data from. |
| 378 | * @param box the box structure to fill. |
| 379 | * @param p_number_bytes_read pointer to an int that will store the number of bytes read from the stream (shoul usually be 2). |
| 380 | * @param p_manager user event manager. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 381 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 382 | * @return true if the box is recognized, false otherwise |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 383 | */ |
| 384 | static OPJ_BOOL opj_jp2_read_boxhdr(opj_jp2_box_t *box, |
| 385 | OPJ_UINT32 * p_number_bytes_read, |
| 386 | opj_stream_private_t *cio, |
| 387 | opj_event_mgr_t * p_manager); |
| 388 | |
| 389 | /** |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 390 | * Sets up the validation ,i.e. adds the procedures to launch to make sure the codec parameters |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 391 | * are valid. Developpers wanting to extend the library can add their own validation procedures. |
| 392 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 393 | static OPJ_BOOL opj_jp2_setup_encoding_validation(opj_jp2_t *jp2, |
| 394 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 395 | |
| 396 | /** |
| 397 | * Sets up the procedures to do on writing header. Developpers wanting to extend the library can add their own writing procedures. |
| 398 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 399 | static OPJ_BOOL opj_jp2_setup_header_writing(opj_jp2_t *jp2, |
| 400 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 401 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 402 | static OPJ_BOOL opj_jp2_default_validation(opj_jp2_t * jp2, |
| 403 | opj_stream_private_t *cio, |
| 404 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 405 | |
| 406 | /** |
| 407 | * Finds the image execution function related to the given box id. |
| 408 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 409 | * @param p_id the id of the handler to fetch. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 410 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 411 | * @return the given handler or NULL if it could not be found. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 412 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 413 | static const opj_jp2_header_handler_t * opj_jp2_img_find_handler( |
| 414 | OPJ_UINT32 p_id); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 415 | |
| 416 | /** |
| 417 | * Finds the execution function related to the given box id. |
| 418 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 419 | * @param p_id the id of the handler to fetch. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 420 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 421 | * @return the given handler or NULL if it could not be found. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 422 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 423 | static const opj_jp2_header_handler_t * opj_jp2_find_handler(OPJ_UINT32 p_id); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 424 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 425 | static const opj_jp2_header_handler_t jp2_header [] = { |
| 426 | {JP2_JP, opj_jp2_read_jp}, |
| 427 | {JP2_FTYP, opj_jp2_read_ftyp}, |
| 428 | {JP2_JP2H, opj_jp2_read_jp2h} |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 429 | }; |
| 430 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 431 | static const opj_jp2_header_handler_t jp2_img_header [] = { |
| 432 | {JP2_IHDR, opj_jp2_read_ihdr}, |
| 433 | {JP2_COLR, opj_jp2_read_colr}, |
| 434 | {JP2_BPCC, opj_jp2_read_bpcc}, |
| 435 | {JP2_PCLR, opj_jp2_read_pclr}, |
| 436 | {JP2_CMAP, opj_jp2_read_cmap}, |
| 437 | {JP2_CDEF, opj_jp2_read_cdef} |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 438 | |
| 439 | }; |
| 440 | |
| 441 | /** |
| 442 | * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure. Data is read from a character string |
| 443 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 444 | * @param box the box structure to fill. |
| 445 | * @param p_data the character string to read data from. |
| 446 | * @param p_number_bytes_read pointer to an int that will store the number of bytes read from the stream (shoul usually be 2). |
| 447 | * @param p_box_max_size the maximum number of bytes in the box. |
| 448 | * @param p_manager FIXME DOC |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 449 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 450 | * @return true if the box is recognized, false otherwise |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 451 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 452 | static OPJ_BOOL opj_jp2_read_boxhdr_char(opj_jp2_box_t *box, |
| 453 | OPJ_BYTE * p_data, |
| 454 | OPJ_UINT32 * p_number_bytes_read, |
| 455 | OPJ_UINT32 p_box_max_size, |
| 456 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 457 | |
| 458 | /** |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 459 | * Sets up the validation ,i.e. adds the procedures to launch to make sure the codec parameters |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 460 | * are valid. Developpers wanting to extend the library can add their own validation procedures. |
| 461 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 462 | static OPJ_BOOL opj_jp2_setup_decoding_validation(opj_jp2_t *jp2, |
| 463 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 464 | |
| 465 | /** |
| 466 | * Sets up the procedures to do on reading header. |
| 467 | * Developpers wanting to extend the library can add their own writing procedures. |
| 468 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 469 | static OPJ_BOOL opj_jp2_setup_header_reading(opj_jp2_t *jp2, |
| 470 | opj_event_mgr_t * p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 471 | |
| 472 | /* ----------------------------------------------------------------------- */ |
| 473 | static OPJ_BOOL opj_jp2_read_boxhdr(opj_jp2_box_t *box, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 474 | OPJ_UINT32 * p_number_bytes_read, |
| 475 | opj_stream_private_t *cio, |
| 476 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 477 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 478 | /* read header from file */ |
| 479 | OPJ_BYTE l_data_header [8]; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 480 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 481 | /* preconditions */ |
| 482 | assert(cio != 00); |
| 483 | assert(box != 00); |
| 484 | assert(p_number_bytes_read != 00); |
| 485 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 486 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 487 | *p_number_bytes_read = (OPJ_UINT32)opj_stream_read_data(cio, l_data_header, 8, |
| 488 | p_manager); |
| 489 | if (*p_number_bytes_read != 8) { |
| 490 | return OPJ_FALSE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 491 | } |
| 492 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 493 | /* process read data */ |
| 494 | opj_read_bytes(l_data_header, &(box->length), 4); |
| 495 | opj_read_bytes(l_data_header + 4, &(box->type), 4); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 496 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 497 | if (box->length == 0) { /* last box */ |
| 498 | const OPJ_OFF_T bleft = opj_stream_get_number_byte_left(cio); |
| 499 | if (bleft > (OPJ_OFF_T)(0xFFFFFFFFU - 8U)) { |
| 500 | opj_event_msg(p_manager, EVT_ERROR, |
| 501 | "Cannot handle box sizes higher than 2^32\n"); |
| 502 | return OPJ_FALSE; |
| 503 | } |
| 504 | box->length = (OPJ_UINT32)bleft + 8U; |
| 505 | assert((OPJ_OFF_T)box->length == bleft + 8); |
| 506 | return OPJ_TRUE; |
| 507 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 508 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 509 | /* do we have a "special very large box ?" */ |
| 510 | /* read then the XLBox */ |
| 511 | if (box->length == 1) { |
| 512 | OPJ_UINT32 l_xl_part_size; |
| 513 | |
| 514 | OPJ_UINT32 l_nb_bytes_read = (OPJ_UINT32)opj_stream_read_data(cio, |
| 515 | l_data_header, 8, p_manager); |
| 516 | if (l_nb_bytes_read != 8) { |
| 517 | if (l_nb_bytes_read > 0) { |
| 518 | *p_number_bytes_read += l_nb_bytes_read; |
| 519 | } |
| 520 | |
| 521 | return OPJ_FALSE; |
| 522 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 523 | |
| 524 | *p_number_bytes_read = 16; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 525 | opj_read_bytes(l_data_header, &l_xl_part_size, 4); |
| 526 | if (l_xl_part_size != 0) { |
| 527 | opj_event_msg(p_manager, EVT_ERROR, |
| 528 | "Cannot handle box sizes higher than 2^32\n"); |
| 529 | return OPJ_FALSE; |
| 530 | } |
| 531 | opj_read_bytes(l_data_header + 4, &(box->length), 4); |
| 532 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 533 | return OPJ_TRUE; |
| 534 | } |
| 535 | |
| 536 | #if 0 |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 537 | static void jp2_write_url(opj_cio_t *cio, char *Idx_file) |
| 538 | { |
| 539 | OPJ_UINT32 i; |
| 540 | opj_jp2_box_t box; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 541 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 542 | box.init_pos = cio_tell(cio); |
| 543 | cio_skip(cio, 4); |
| 544 | cio_write(cio, JP2_URL, 4); /* DBTL */ |
| 545 | cio_write(cio, 0, 1); /* VERS */ |
| 546 | cio_write(cio, 0, 3); /* FLAG */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 547 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 548 | if (Idx_file) { |
| 549 | for (i = 0; i < strlen(Idx_file); i++) { |
| 550 | cio_write(cio, Idx_file[i], 1); |
| 551 | } |
| 552 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 553 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 554 | box.length = cio_tell(cio) - box.init_pos; |
| 555 | cio_seek(cio, box.init_pos); |
| 556 | cio_write(cio, box.length, 4); /* L */ |
| 557 | cio_seek(cio, box.init_pos + box.length); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 558 | } |
| 559 | #endif |
| 560 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 561 | static OPJ_BOOL opj_jp2_read_ihdr(opj_jp2_t *jp2, |
| 562 | OPJ_BYTE *p_image_header_data, |
| 563 | OPJ_UINT32 p_image_header_size, |
| 564 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 565 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 566 | /* preconditions */ |
| 567 | assert(p_image_header_data != 00); |
| 568 | assert(jp2 != 00); |
| 569 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 570 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 571 | if (jp2->comps != NULL) { |
| 572 | opj_event_msg(p_manager, EVT_WARNING, |
| 573 | "Ignoring ihdr box. First ihdr box already read\n"); |
| 574 | return OPJ_TRUE; |
| 575 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 576 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 577 | if (p_image_header_size != 14) { |
| 578 | opj_event_msg(p_manager, EVT_ERROR, "Bad image header box (bad size)\n"); |
| 579 | return OPJ_FALSE; |
| 580 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 581 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 582 | opj_read_bytes(p_image_header_data, &(jp2->h), 4); /* HEIGHT */ |
| 583 | p_image_header_data += 4; |
| 584 | opj_read_bytes(p_image_header_data, &(jp2->w), 4); /* WIDTH */ |
| 585 | p_image_header_data += 4; |
| 586 | opj_read_bytes(p_image_header_data, &(jp2->numcomps), 2); /* NC */ |
| 587 | p_image_header_data += 2; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 588 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 589 | if ((jp2->numcomps - 1U) >= |
| 590 | 16384U) { /* unsigned underflow is well defined: 1U <= jp2->numcomps <= 16384U */ |
| 591 | opj_event_msg(p_manager, EVT_ERROR, "Invalid number of components (ihdr)\n"); |
| 592 | return OPJ_FALSE; |
| 593 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 594 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 595 | /* allocate memory for components */ |
| 596 | opj_free(jp2->comps); |
| 597 | jp2->comps = (opj_jp2_comps_t*) opj_calloc(jp2->numcomps, |
| 598 | sizeof(opj_jp2_comps_t)); |
| 599 | if (jp2->comps == 0) { |
| 600 | opj_event_msg(p_manager, EVT_ERROR, |
| 601 | "Not enough memory to handle image header (ihdr)\n"); |
| 602 | return OPJ_FALSE; |
| 603 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 604 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 605 | opj_read_bytes(p_image_header_data, &(jp2->bpc), 1); /* BPC */ |
| 606 | ++ p_image_header_data; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 607 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 608 | opj_read_bytes(p_image_header_data, &(jp2->C), 1); /* C */ |
| 609 | ++ p_image_header_data; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 610 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 611 | /* Should be equal to 7 cf. chapter about image header box of the norm */ |
| 612 | if (jp2->C != 7) { |
| 613 | opj_event_msg(p_manager, EVT_INFO, |
| 614 | "JP2 IHDR box: compression type indicate that the file is not a conforming JP2 file (%d) \n", |
| 615 | jp2->C); |
| 616 | } |
| 617 | |
| 618 | opj_read_bytes(p_image_header_data, &(jp2->UnkC), 1); /* UnkC */ |
| 619 | ++ p_image_header_data; |
| 620 | opj_read_bytes(p_image_header_data, &(jp2->IPR), 1); /* IPR */ |
| 621 | ++ p_image_header_data; |
| 622 | |
| 623 | jp2->j2k->m_cp.allow_different_bit_depth_sign = (jp2->bpc == 255); |
| 624 | jp2->j2k->ihdr_w = jp2->w; |
| 625 | jp2->j2k->ihdr_h = jp2->h; |
| 626 | jp2->has_ihdr = 1; |
| 627 | |
| 628 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 629 | } |
| 630 | |
| 631 | static OPJ_BYTE * opj_jp2_write_ihdr(opj_jp2_t *jp2, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 632 | OPJ_UINT32 * p_nb_bytes_written |
| 633 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 634 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 635 | OPJ_BYTE * l_ihdr_data, * l_current_ihdr_ptr; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 636 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 637 | /* preconditions */ |
| 638 | assert(jp2 != 00); |
| 639 | assert(p_nb_bytes_written != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 640 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 641 | /* default image header is 22 bytes wide */ |
| 642 | l_ihdr_data = (OPJ_BYTE *) opj_calloc(1, 22); |
| 643 | if (l_ihdr_data == 00) { |
| 644 | return 00; |
| 645 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 646 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 647 | l_current_ihdr_ptr = l_ihdr_data; |
| 648 | |
| 649 | opj_write_bytes(l_current_ihdr_ptr, 22, 4); /* write box size */ |
| 650 | l_current_ihdr_ptr += 4; |
| 651 | |
| 652 | opj_write_bytes(l_current_ihdr_ptr, JP2_IHDR, 4); /* IHDR */ |
| 653 | l_current_ihdr_ptr += 4; |
| 654 | |
| 655 | opj_write_bytes(l_current_ihdr_ptr, jp2->h, 4); /* HEIGHT */ |
| 656 | l_current_ihdr_ptr += 4; |
| 657 | |
| 658 | opj_write_bytes(l_current_ihdr_ptr, jp2->w, 4); /* WIDTH */ |
| 659 | l_current_ihdr_ptr += 4; |
| 660 | |
| 661 | opj_write_bytes(l_current_ihdr_ptr, jp2->numcomps, 2); /* NC */ |
| 662 | l_current_ihdr_ptr += 2; |
| 663 | |
| 664 | opj_write_bytes(l_current_ihdr_ptr, jp2->bpc, 1); /* BPC */ |
| 665 | ++l_current_ihdr_ptr; |
| 666 | |
| 667 | opj_write_bytes(l_current_ihdr_ptr, jp2->C, 1); /* C : Always 7 */ |
| 668 | ++l_current_ihdr_ptr; |
| 669 | |
| 670 | opj_write_bytes(l_current_ihdr_ptr, jp2->UnkC, |
| 671 | 1); /* UnkC, colorspace unknown */ |
| 672 | ++l_current_ihdr_ptr; |
| 673 | |
| 674 | opj_write_bytes(l_current_ihdr_ptr, jp2->IPR, |
| 675 | 1); /* IPR, no intellectual property */ |
| 676 | ++l_current_ihdr_ptr; |
| 677 | |
| 678 | *p_nb_bytes_written = 22; |
| 679 | |
| 680 | return l_ihdr_data; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 681 | } |
| 682 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 683 | static OPJ_BYTE * opj_jp2_write_bpcc(opj_jp2_t *jp2, |
| 684 | OPJ_UINT32 * p_nb_bytes_written |
| 685 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 686 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 687 | OPJ_UINT32 i; |
| 688 | /* room for 8 bytes for box and 1 byte for each component */ |
| 689 | OPJ_UINT32 l_bpcc_size; |
| 690 | OPJ_BYTE * l_bpcc_data, * l_current_bpcc_ptr; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 691 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 692 | /* preconditions */ |
| 693 | assert(jp2 != 00); |
| 694 | assert(p_nb_bytes_written != 00); |
| 695 | l_bpcc_size = 8 + jp2->numcomps; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 696 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 697 | l_bpcc_data = (OPJ_BYTE *) opj_calloc(1, l_bpcc_size); |
| 698 | if (l_bpcc_data == 00) { |
| 699 | return 00; |
| 700 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 701 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 702 | l_current_bpcc_ptr = l_bpcc_data; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 703 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 704 | opj_write_bytes(l_current_bpcc_ptr, l_bpcc_size, |
| 705 | 4); /* write box size */ |
| 706 | l_current_bpcc_ptr += 4; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 707 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 708 | opj_write_bytes(l_current_bpcc_ptr, JP2_BPCC, 4); /* BPCC */ |
| 709 | l_current_bpcc_ptr += 4; |
| 710 | |
| 711 | for (i = 0; i < jp2->numcomps; ++i) { |
| 712 | opj_write_bytes(l_current_bpcc_ptr, jp2->comps[i].bpcc, |
| 713 | 1); /* write each component information */ |
| 714 | ++l_current_bpcc_ptr; |
| 715 | } |
| 716 | |
| 717 | *p_nb_bytes_written = l_bpcc_size; |
| 718 | |
| 719 | return l_bpcc_data; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 720 | } |
| 721 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 722 | static OPJ_BOOL opj_jp2_read_bpcc(opj_jp2_t *jp2, |
| 723 | OPJ_BYTE * p_bpc_header_data, |
| 724 | OPJ_UINT32 p_bpc_header_size, |
| 725 | opj_event_mgr_t * p_manager |
| 726 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 727 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 728 | OPJ_UINT32 i; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 729 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 730 | /* preconditions */ |
| 731 | assert(p_bpc_header_data != 00); |
| 732 | assert(jp2 != 00); |
| 733 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 734 | |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 735 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 736 | if (jp2->bpc != 255) { |
| 737 | opj_event_msg(p_manager, EVT_WARNING, |
| 738 | "A BPCC header box is available although BPC given by the IHDR box (%d) indicate components bit depth is constant\n", |
| 739 | jp2->bpc); |
| 740 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 741 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 742 | /* and length is relevant */ |
| 743 | if (p_bpc_header_size != jp2->numcomps) { |
| 744 | opj_event_msg(p_manager, EVT_ERROR, "Bad BPCC header box (bad size)\n"); |
| 745 | return OPJ_FALSE; |
| 746 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 747 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 748 | /* read info for each component */ |
| 749 | for (i = 0; i < jp2->numcomps; ++i) { |
| 750 | opj_read_bytes(p_bpc_header_data, &jp2->comps[i].bpcc, |
| 751 | 1); /* read each BPCC component */ |
| 752 | ++p_bpc_header_data; |
| 753 | } |
| 754 | |
| 755 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 756 | } |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 757 | static OPJ_BYTE * opj_jp2_write_cdef(opj_jp2_t *jp2, |
| 758 | OPJ_UINT32 * p_nb_bytes_written) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 759 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 760 | /* room for 8 bytes for box, 2 for n */ |
| 761 | OPJ_UINT32 l_cdef_size = 10; |
| 762 | OPJ_BYTE * l_cdef_data, * l_current_cdef_ptr; |
| 763 | OPJ_UINT32 l_value; |
| 764 | OPJ_UINT16 i; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 765 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 766 | /* preconditions */ |
| 767 | assert(jp2 != 00); |
| 768 | assert(p_nb_bytes_written != 00); |
| 769 | assert(jp2->color.jp2_cdef != 00); |
| 770 | assert(jp2->color.jp2_cdef->info != 00); |
| 771 | assert(jp2->color.jp2_cdef->n > 0U); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 772 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 773 | l_cdef_size += 6U * jp2->color.jp2_cdef->n; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 774 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 775 | l_cdef_data = (OPJ_BYTE *) opj_malloc(l_cdef_size); |
| 776 | if (l_cdef_data == 00) { |
| 777 | return 00; |
| 778 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 779 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 780 | l_current_cdef_ptr = l_cdef_data; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 781 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 782 | opj_write_bytes(l_current_cdef_ptr, l_cdef_size, 4); /* write box size */ |
| 783 | l_current_cdef_ptr += 4; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 784 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 785 | opj_write_bytes(l_current_cdef_ptr, JP2_CDEF, 4); /* BPCC */ |
| 786 | l_current_cdef_ptr += 4; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 787 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 788 | l_value = jp2->color.jp2_cdef->n; |
| 789 | opj_write_bytes(l_current_cdef_ptr, l_value, 2); /* N */ |
| 790 | l_current_cdef_ptr += 2; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 791 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 792 | for (i = 0U; i < jp2->color.jp2_cdef->n; ++i) { |
| 793 | l_value = jp2->color.jp2_cdef->info[i].cn; |
| 794 | opj_write_bytes(l_current_cdef_ptr, l_value, 2); /* Cni */ |
| 795 | l_current_cdef_ptr += 2; |
| 796 | l_value = jp2->color.jp2_cdef->info[i].typ; |
| 797 | opj_write_bytes(l_current_cdef_ptr, l_value, 2); /* Typi */ |
| 798 | l_current_cdef_ptr += 2; |
| 799 | l_value = jp2->color.jp2_cdef->info[i].asoc; |
| 800 | opj_write_bytes(l_current_cdef_ptr, l_value, 2); /* Asoci */ |
| 801 | l_current_cdef_ptr += 2; |
| 802 | } |
| 803 | *p_nb_bytes_written = l_cdef_size; |
| 804 | |
| 805 | return l_cdef_data; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 806 | } |
| 807 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 808 | static OPJ_BYTE * opj_jp2_write_colr(opj_jp2_t *jp2, |
| 809 | OPJ_UINT32 * p_nb_bytes_written |
| 810 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 811 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 812 | /* room for 8 bytes for box 3 for common data and variable upon profile*/ |
| 813 | OPJ_UINT32 l_colr_size = 11; |
| 814 | OPJ_BYTE * l_colr_data, * l_current_colr_ptr; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 815 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 816 | /* preconditions */ |
| 817 | assert(jp2 != 00); |
| 818 | assert(p_nb_bytes_written != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 819 | assert(jp2->meth == 1 || jp2->meth == 2); |
| 820 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 821 | switch (jp2->meth) { |
| 822 | case 1 : |
| 823 | l_colr_size += 4; /* EnumCS */ |
| 824 | break; |
| 825 | case 2 : |
| 826 | assert(jp2->color.icc_profile_len); /* ICC profile */ |
| 827 | l_colr_size += jp2->color.icc_profile_len; |
| 828 | break; |
| 829 | default : |
| 830 | return 00; |
| 831 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 832 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 833 | l_colr_data = (OPJ_BYTE *) opj_calloc(1, l_colr_size); |
| 834 | if (l_colr_data == 00) { |
| 835 | return 00; |
| 836 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 837 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 838 | l_current_colr_ptr = l_colr_data; |
| 839 | |
| 840 | opj_write_bytes(l_current_colr_ptr, l_colr_size, |
| 841 | 4); /* write box size */ |
| 842 | l_current_colr_ptr += 4; |
| 843 | |
| 844 | opj_write_bytes(l_current_colr_ptr, JP2_COLR, 4); /* BPCC */ |
| 845 | l_current_colr_ptr += 4; |
| 846 | |
| 847 | opj_write_bytes(l_current_colr_ptr, jp2->meth, 1); /* METH */ |
| 848 | ++l_current_colr_ptr; |
| 849 | |
| 850 | opj_write_bytes(l_current_colr_ptr, jp2->precedence, 1); /* PRECEDENCE */ |
| 851 | ++l_current_colr_ptr; |
| 852 | |
| 853 | opj_write_bytes(l_current_colr_ptr, jp2->approx, 1); /* APPROX */ |
| 854 | ++l_current_colr_ptr; |
| 855 | |
| 856 | if (jp2->meth == |
| 857 | 1) { /* Meth value is restricted to 1 or 2 (Table I.9 of part 1) */ |
| 858 | opj_write_bytes(l_current_colr_ptr, jp2->enumcs, 4); |
| 859 | } /* EnumCS */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 860 | else { |
| 861 | if (jp2->meth == 2) { /* ICC profile */ |
| 862 | OPJ_UINT32 i; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 863 | for (i = 0; i < jp2->color.icc_profile_len; ++i) { |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 864 | opj_write_bytes(l_current_colr_ptr, jp2->color.icc_profile_buf[i], 1); |
| 865 | ++l_current_colr_ptr; |
| 866 | } |
| 867 | } |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 868 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 869 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 870 | *p_nb_bytes_written = l_colr_size; |
| 871 | |
| 872 | return l_colr_data; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 873 | } |
| 874 | |
| 875 | static void opj_jp2_free_pclr(opj_jp2_color_t *color) |
| 876 | { |
| 877 | opj_free(color->jp2_pclr->channel_sign); |
| 878 | opj_free(color->jp2_pclr->channel_size); |
| 879 | opj_free(color->jp2_pclr->entries); |
| 880 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 881 | if (color->jp2_pclr->cmap) { |
| 882 | opj_free(color->jp2_pclr->cmap); |
| 883 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 884 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 885 | opj_free(color->jp2_pclr); |
| 886 | color->jp2_pclr = NULL; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 887 | } |
| 888 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 889 | static OPJ_BOOL opj_jp2_check_color(opj_image_t *image, opj_jp2_color_t *color, |
| 890 | opj_event_mgr_t *p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 891 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 892 | OPJ_UINT16 i; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 893 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 894 | /* testcase 4149.pdf.SIGSEGV.cf7.3501 */ |
| 895 | if (color->jp2_cdef) { |
| 896 | opj_jp2_cdef_info_t *info = color->jp2_cdef->info; |
| 897 | OPJ_UINT16 n = color->jp2_cdef->n; |
| 898 | OPJ_UINT32 nr_channels = |
| 899 | image->numcomps; /* FIXME image->numcomps == jp2->numcomps before color is applied ??? */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 900 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 901 | /* cdef applies to cmap channels if any */ |
| 902 | if (color->jp2_pclr && color->jp2_pclr->cmap) { |
| 903 | nr_channels = (OPJ_UINT32)color->jp2_pclr->nr_channels; |
| 904 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 905 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 906 | for (i = 0; i < n; i++) { |
| 907 | if (info[i].cn >= nr_channels) { |
| 908 | opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", |
| 909 | info[i].cn, nr_channels); |
| 910 | return OPJ_FALSE; |
| 911 | } |
| 912 | if (info[i].asoc == 65535U) { |
| 913 | continue; |
| 914 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 915 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 916 | if (info[i].asoc > 0 && (OPJ_UINT32)(info[i].asoc - 1) >= nr_channels) { |
| 917 | opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", |
| 918 | info[i].asoc - 1, nr_channels); |
| 919 | return OPJ_FALSE; |
| 920 | } |
| 921 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 922 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 923 | /* issue 397 */ |
| 924 | /* ISO 15444-1 states that if cdef is present, it shall contain a complete list of channel definitions. */ |
| 925 | while (nr_channels > 0) { |
| 926 | for (i = 0; i < n; ++i) { |
| 927 | if ((OPJ_UINT32)info[i].cn == (nr_channels - 1U)) { |
| 928 | break; |
| 929 | } |
| 930 | } |
| 931 | if (i == n) { |
| 932 | opj_event_msg(p_manager, EVT_ERROR, "Incomplete channel definitions.\n"); |
| 933 | return OPJ_FALSE; |
| 934 | } |
| 935 | --nr_channels; |
| 936 | } |
| 937 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 938 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 939 | /* testcases 451.pdf.SIGSEGV.f4c.3723, 451.pdf.SIGSEGV.5b5.3723 and |
| 940 | 66ea31acbb0f23a2bbc91f64d69a03f5_signal_sigsegv_13937c0_7030_5725.pdf */ |
| 941 | if (color->jp2_pclr && color->jp2_pclr->cmap) { |
| 942 | OPJ_UINT16 nr_channels = color->jp2_pclr->nr_channels; |
| 943 | opj_jp2_cmap_comp_t *cmap = color->jp2_pclr->cmap; |
| 944 | OPJ_BOOL *pcol_usage, is_sane = OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 945 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 946 | /* verify that all original components match an existing one */ |
| 947 | for (i = 0; i < nr_channels; i++) { |
| 948 | if (cmap[i].cmp >= image->numcomps) { |
| 949 | opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", |
| 950 | cmap[i].cmp, image->numcomps); |
| 951 | is_sane = OPJ_FALSE; |
| 952 | } |
| 953 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 954 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 955 | pcol_usage = (OPJ_BOOL *) opj_calloc(nr_channels, sizeof(OPJ_BOOL)); |
| 956 | if (!pcol_usage) { |
| 957 | opj_event_msg(p_manager, EVT_ERROR, "Unexpected OOM.\n"); |
| 958 | return OPJ_FALSE; |
| 959 | } |
| 960 | /* verify that no component is targeted more than once */ |
| 961 | for (i = 0; i < nr_channels; i++) { |
| 962 | OPJ_BYTE mtyp = cmap[i].mtyp; |
| 963 | OPJ_BYTE pcol = cmap[i].pcol; |
| 964 | /* See ISO 15444-1 Table I.14 – MTYPi field values */ |
| 965 | if (mtyp != 0 && mtyp != 1) { |
| 966 | opj_event_msg(p_manager, EVT_ERROR, |
| 967 | "Invalid value for cmap[%d].mtyp = %d.\n", i, |
| 968 | mtyp); |
| 969 | is_sane = OPJ_FALSE; |
| 970 | } else if (pcol >= nr_channels) { |
| 971 | opj_event_msg(p_manager, EVT_ERROR, |
| 972 | "Invalid component/palette index for direct mapping %d.\n", pcol); |
| 973 | is_sane = OPJ_FALSE; |
| 974 | } else if (pcol_usage[pcol] && mtyp == 1) { |
| 975 | opj_event_msg(p_manager, EVT_ERROR, "Component %d is mapped twice.\n", pcol); |
| 976 | is_sane = OPJ_FALSE; |
| 977 | } else if (mtyp == 0 && pcol != 0) { |
| 978 | /* I.5.3.5 PCOL: If the value of the MTYP field for this channel is 0, then |
| 979 | * the value of this field shall be 0. */ |
| 980 | opj_event_msg(p_manager, EVT_ERROR, "Direct use at #%d however pcol=%d.\n", i, |
| 981 | pcol); |
| 982 | is_sane = OPJ_FALSE; |
| 983 | } else if (mtyp == 1 && pcol != i) { |
| 984 | /* OpenJPEG implementation limitation. See assert(i == pcol); */ |
| 985 | /* in opj_jp2_apply_pclr() */ |
| 986 | opj_event_msg(p_manager, EVT_ERROR, |
| 987 | "Implementation limitation: for palette mapping, " |
| 988 | "pcol[%d] should be equal to %d, but is equal " |
| 989 | "to %d.\n", i, i, pcol); |
| 990 | is_sane = OPJ_FALSE; |
| 991 | } else { |
| 992 | pcol_usage[pcol] = OPJ_TRUE; |
| 993 | } |
| 994 | } |
| 995 | /* verify that all components are targeted at least once */ |
| 996 | for (i = 0; i < nr_channels; i++) { |
| 997 | if (!pcol_usage[i] && cmap[i].mtyp != 0) { |
| 998 | opj_event_msg(p_manager, EVT_ERROR, "Component %d doesn't have a mapping.\n", |
| 999 | i); |
| 1000 | is_sane = OPJ_FALSE; |
| 1001 | } |
| 1002 | } |
| 1003 | /* Issue 235/447 weird cmap */ |
| 1004 | if (1 && is_sane && (image->numcomps == 1U)) { |
| 1005 | for (i = 0; i < nr_channels; i++) { |
| 1006 | if (!pcol_usage[i]) { |
| 1007 | is_sane = 0U; |
| 1008 | opj_event_msg(p_manager, EVT_WARNING, |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 1009 | "Component mapping seems wrong. Trying to correct.\n"); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1010 | break; |
| 1011 | } |
| 1012 | } |
| 1013 | if (!is_sane) { |
| 1014 | is_sane = OPJ_TRUE; |
| 1015 | for (i = 0; i < nr_channels; i++) { |
| 1016 | cmap[i].mtyp = 1U; |
| 1017 | cmap[i].pcol = (OPJ_BYTE) i; |
| 1018 | } |
| 1019 | } |
| 1020 | } |
| 1021 | opj_free(pcol_usage); |
| 1022 | if (!is_sane) { |
| 1023 | return OPJ_FALSE; |
| 1024 | } |
| 1025 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1026 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1027 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1028 | } |
| 1029 | |
| 1030 | /* file9.jp2 */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1031 | static OPJ_BOOL opj_jp2_apply_pclr(opj_image_t *image, |
| 1032 | opj_jp2_color_t *color, |
| 1033 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1034 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1035 | opj_image_comp_t *old_comps, *new_comps; |
| 1036 | OPJ_BYTE *channel_size, *channel_sign; |
| 1037 | OPJ_UINT32 *entries; |
| 1038 | opj_jp2_cmap_comp_t *cmap; |
| 1039 | OPJ_INT32 *src, *dst; |
| 1040 | OPJ_UINT32 j, max; |
| 1041 | OPJ_UINT16 i, nr_channels, cmp, pcol; |
| 1042 | OPJ_INT32 k, top_k; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1043 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1044 | channel_size = color->jp2_pclr->channel_size; |
| 1045 | channel_sign = color->jp2_pclr->channel_sign; |
| 1046 | entries = color->jp2_pclr->entries; |
| 1047 | cmap = color->jp2_pclr->cmap; |
| 1048 | nr_channels = color->jp2_pclr->nr_channels; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1049 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1050 | for (i = 0; i < nr_channels; ++i) { |
| 1051 | /* Palette mapping: */ |
| 1052 | cmp = cmap[i].cmp; |
| 1053 | if (image->comps[cmp].data == NULL) { |
| 1054 | opj_event_msg(p_manager, EVT_ERROR, |
| 1055 | "image->comps[%d].data == NULL in opj_jp2_apply_pclr().\n", i); |
| 1056 | return OPJ_FALSE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1057 | } |
| 1058 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1059 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1060 | old_comps = image->comps; |
| 1061 | /* Overflow check: prevent integer overflow */ |
| 1062 | for (i = 0; i < nr_channels; ++i) { |
| 1063 | cmp = cmap[i].cmp; |
| 1064 | if (old_comps[cmp].h == 0 || old_comps[cmp].w > ((OPJ_UINT32)-1) / sizeof(OPJ_INT32) / old_comps[cmp].h) { |
| 1065 | return OPJ_FALSE; |
| 1066 | } |
| 1067 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1068 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1069 | new_comps = (opj_image_comp_t*) |
| 1070 | opj_malloc(nr_channels * sizeof(opj_image_comp_t)); |
| 1071 | if (!new_comps) { |
| 1072 | opj_event_msg(p_manager, EVT_ERROR, |
| 1073 | "Memory allocation failure in opj_jp2_apply_pclr().\n"); |
| 1074 | return OPJ_FALSE; |
| 1075 | } |
| 1076 | for (i = 0; i < nr_channels; ++i) { |
| 1077 | pcol = cmap[i].pcol; |
| 1078 | cmp = cmap[i].cmp; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1079 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1080 | /* Direct use */ |
| 1081 | if (cmap[i].mtyp == 0) { |
| 1082 | assert(pcol == 0); |
| 1083 | new_comps[i] = old_comps[cmp]; |
| 1084 | } else { |
| 1085 | assert( i == pcol ); // probably wrong? |
| 1086 | new_comps[i] = old_comps[cmp]; |
| 1087 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1088 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1089 | /* Palette mapping: */ |
| 1090 | new_comps[i].data = (OPJ_INT32*) |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 1091 | opj_image_data_alloc(sizeof(OPJ_INT32) * old_comps[cmp].w * old_comps[cmp].h); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1092 | if (!new_comps[i].data) { |
| 1093 | while (i > 0) { |
| 1094 | -- i; |
| 1095 | opj_image_data_free(new_comps[i].data); |
| 1096 | } |
| 1097 | opj_free(new_comps); |
| 1098 | opj_event_msg(p_manager, EVT_ERROR, |
| 1099 | "Memory allocation failure in opj_jp2_apply_pclr().\n"); |
| 1100 | return OPJ_FALSE; |
| 1101 | } |
| 1102 | new_comps[i].prec = channel_size[i]; |
| 1103 | new_comps[i].sgnd = channel_sign[i]; |
| 1104 | } |
| 1105 | |
| 1106 | top_k = color->jp2_pclr->nr_entries - 1; |
| 1107 | |
| 1108 | for (i = 0; i < nr_channels; ++i) { |
| 1109 | /* Palette mapping: */ |
| 1110 | cmp = cmap[i].cmp; |
| 1111 | pcol = cmap[i].pcol; |
| 1112 | src = old_comps[cmp].data; |
| 1113 | dst = new_comps[i].data; |
| 1114 | max = new_comps[i].w * new_comps[i].h; |
| 1115 | |
| 1116 | /* Prevent null pointer access */ |
| 1117 | if (!src || !dst) { |
| 1118 | for (j = 0; j < nr_channels; ++j) { |
| 1119 | opj_image_data_free(new_comps[j].data); |
| 1120 | } |
| 1121 | opj_free(new_comps); |
| 1122 | new_comps = NULL; |
| 1123 | return OPJ_FALSE; |
| 1124 | } |
| 1125 | |
| 1126 | /* Direct use: */ |
| 1127 | if (cmap[i].mtyp == 0) { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1128 | for (j = 0; j < max; ++j) { |
| 1129 | dst[j] = src[j]; |
| 1130 | } |
| 1131 | } else { |
| 1132 | assert( i == pcol ); // probably wrong? |
| 1133 | for (j = 0; j < max; ++j) { |
| 1134 | /* The index */ |
| 1135 | if ((k = src[j]) < 0) { |
| 1136 | k = 0; |
| 1137 | } else if (k > top_k) { |
| 1138 | k = top_k; |
| 1139 | } |
| 1140 | |
| 1141 | /* The colour */ |
| 1142 | dst[j] = (OPJ_INT32)entries[k * nr_channels + pcol]; |
| 1143 | } |
| 1144 | } |
| 1145 | } |
| 1146 | |
| 1147 | max = image->numcomps; |
| 1148 | for (i = 0; i < max; ++i) { |
| 1149 | if (old_comps[i].data) { |
| 1150 | opj_image_data_free(old_comps[i].data); |
| 1151 | } |
| 1152 | } |
| 1153 | |
| 1154 | opj_free(old_comps); |
| 1155 | image->comps = new_comps; |
| 1156 | image->numcomps = nr_channels; |
| 1157 | |
| 1158 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1159 | }/* apply_pclr() */ |
| 1160 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1161 | static OPJ_BOOL opj_jp2_read_pclr(opj_jp2_t *jp2, |
| 1162 | OPJ_BYTE * p_pclr_header_data, |
| 1163 | OPJ_UINT32 p_pclr_header_size, |
| 1164 | opj_event_mgr_t * p_manager |
| 1165 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1166 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1167 | opj_jp2_pclr_t *jp2_pclr; |
| 1168 | OPJ_BYTE *channel_size, *channel_sign; |
| 1169 | OPJ_UINT32 *entries; |
| 1170 | OPJ_UINT16 nr_entries, nr_channels; |
| 1171 | OPJ_UINT16 i, j; |
| 1172 | OPJ_UINT32 l_value; |
| 1173 | OPJ_BYTE *orig_header_data = p_pclr_header_data; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1174 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1175 | /* preconditions */ |
| 1176 | assert(p_pclr_header_data != 00); |
| 1177 | assert(jp2 != 00); |
| 1178 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1179 | (void)p_pclr_header_size; |
| 1180 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1181 | if (jp2->color.jp2_pclr) { |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1182 | return OPJ_FALSE; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1183 | } |
| 1184 | |
| 1185 | if (p_pclr_header_size < 3) { |
| 1186 | return OPJ_FALSE; |
| 1187 | } |
| 1188 | |
| 1189 | opj_read_bytes(p_pclr_header_data, &l_value, 2); /* NE */ |
| 1190 | p_pclr_header_data += 2; |
| 1191 | nr_entries = (OPJ_UINT16) l_value; |
| 1192 | if ((nr_entries == 0U) || (nr_entries > 1024U)) { |
| 1193 | opj_event_msg(p_manager, EVT_ERROR, "Invalid PCLR box. Reports %d entries\n", |
| 1194 | (int)nr_entries); |
| 1195 | return OPJ_FALSE; |
| 1196 | } |
| 1197 | |
| 1198 | opj_read_bytes(p_pclr_header_data, &l_value, 1); /* NPC */ |
| 1199 | ++p_pclr_header_data; |
| 1200 | nr_channels = (OPJ_UINT16) l_value; |
| 1201 | if (nr_channels == 0U) { |
| 1202 | opj_event_msg(p_manager, EVT_ERROR, |
| 1203 | "Invalid PCLR box. Reports 0 palette columns\n"); |
| 1204 | return OPJ_FALSE; |
| 1205 | } |
| 1206 | |
| 1207 | if (p_pclr_header_size < 3 + (OPJ_UINT32)nr_channels) { |
| 1208 | return OPJ_FALSE; |
| 1209 | } |
| 1210 | |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 1211 | entries = (OPJ_UINT32*) opj_malloc(sizeof(OPJ_UINT32) * nr_channels * |
| 1212 | nr_entries); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1213 | if (!entries) { |
| 1214 | return OPJ_FALSE; |
| 1215 | } |
| 1216 | channel_size = (OPJ_BYTE*) opj_malloc(nr_channels); |
| 1217 | if (!channel_size) { |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1218 | opj_free(entries); |
| 1219 | return OPJ_FALSE; |
| 1220 | } |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1221 | channel_sign = (OPJ_BYTE*) opj_malloc(nr_channels); |
| 1222 | if (!channel_sign) { |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1223 | opj_free(entries); |
| 1224 | opj_free(channel_size); |
| 1225 | return OPJ_FALSE; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1226 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1227 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1228 | jp2_pclr = (opj_jp2_pclr_t*)opj_malloc(sizeof(opj_jp2_pclr_t)); |
| 1229 | if (!jp2_pclr) { |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1230 | opj_free(entries); |
| 1231 | opj_free(channel_size); |
| 1232 | opj_free(channel_sign); |
| 1233 | return OPJ_FALSE; |
| 1234 | } |
| 1235 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1236 | jp2_pclr->channel_sign = channel_sign; |
| 1237 | jp2_pclr->channel_size = channel_size; |
| 1238 | jp2_pclr->entries = entries; |
| 1239 | jp2_pclr->nr_entries = nr_entries; |
| 1240 | jp2_pclr->nr_channels = (OPJ_BYTE) l_value; |
| 1241 | jp2_pclr->cmap = NULL; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1242 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1243 | jp2->color.jp2_pclr = jp2_pclr; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1244 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1245 | for (i = 0; i < nr_channels; ++i) { |
| 1246 | opj_read_bytes(p_pclr_header_data, &l_value, 1); /* Bi */ |
| 1247 | ++p_pclr_header_data; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1248 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1249 | channel_size[i] = (OPJ_BYTE)((l_value & 0x7f) + 1); |
| 1250 | channel_sign[i] = (l_value & 0x80) ? 1 : 0; |
| 1251 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1252 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1253 | for (j = 0; j < nr_entries; ++j) { |
| 1254 | for (i = 0; i < nr_channels; ++i) { |
| 1255 | OPJ_UINT32 bytes_to_read = (OPJ_UINT32)((channel_size[i] + 7) >> 3); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1256 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1257 | if (bytes_to_read > sizeof(OPJ_UINT32)) { |
| 1258 | bytes_to_read = sizeof(OPJ_UINT32); |
| 1259 | } |
| 1260 | if ((ptrdiff_t)p_pclr_header_size < (ptrdiff_t)(p_pclr_header_data - |
| 1261 | orig_header_data) + (ptrdiff_t)bytes_to_read) { |
| 1262 | return OPJ_FALSE; |
| 1263 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1264 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1265 | opj_read_bytes(p_pclr_header_data, &l_value, bytes_to_read); /* Cji */ |
| 1266 | p_pclr_header_data += bytes_to_read; |
| 1267 | *entries = (OPJ_UINT32) l_value; |
| 1268 | entries++; |
| 1269 | } |
| 1270 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1271 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1272 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1273 | } |
| 1274 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1275 | static OPJ_BOOL opj_jp2_read_cmap(opj_jp2_t * jp2, |
| 1276 | OPJ_BYTE * p_cmap_header_data, |
| 1277 | OPJ_UINT32 p_cmap_header_size, |
| 1278 | opj_event_mgr_t * p_manager |
| 1279 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1280 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1281 | opj_jp2_cmap_comp_t *cmap; |
| 1282 | OPJ_BYTE i, nr_channels; |
| 1283 | OPJ_UINT32 l_value; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1284 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1285 | /* preconditions */ |
| 1286 | assert(jp2 != 00); |
| 1287 | assert(p_cmap_header_data != 00); |
| 1288 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1289 | (void)p_cmap_header_size; |
| 1290 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1291 | /* Need nr_channels: */ |
| 1292 | if (jp2->color.jp2_pclr == NULL) { |
| 1293 | opj_event_msg(p_manager, EVT_ERROR, |
| 1294 | "Need to read a PCLR box before the CMAP box.\n"); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1295 | return OPJ_FALSE; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1296 | } |
| 1297 | |
| 1298 | /* Part 1, I.5.3.5: 'There shall be at most one Component Mapping box |
| 1299 | * inside a JP2 Header box' : |
| 1300 | */ |
| 1301 | if (jp2->color.jp2_pclr->cmap) { |
| 1302 | opj_event_msg(p_manager, EVT_ERROR, "Only one CMAP box is allowed.\n"); |
| 1303 | return OPJ_FALSE; |
| 1304 | } |
| 1305 | |
| 1306 | nr_channels = jp2->color.jp2_pclr->nr_channels; |
| 1307 | if (p_cmap_header_size < (OPJ_UINT32)nr_channels * 4) { |
| 1308 | opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CMAP box.\n"); |
| 1309 | return OPJ_FALSE; |
| 1310 | } |
| 1311 | |
| 1312 | cmap = (opj_jp2_cmap_comp_t*) opj_malloc(nr_channels * sizeof( |
| 1313 | opj_jp2_cmap_comp_t)); |
| 1314 | if (!cmap) { |
| 1315 | return OPJ_FALSE; |
| 1316 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1317 | |
| 1318 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1319 | for (i = 0; i < nr_channels; ++i) { |
| 1320 | opj_read_bytes_BE(p_cmap_header_data, &l_value, 2); /* CMP^i */ |
| 1321 | p_cmap_header_data += 2; |
| 1322 | cmap[i].cmp = (OPJ_UINT16) l_value; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1323 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1324 | opj_read_bytes(p_cmap_header_data, &l_value, 1); /* MTYP^i */ |
| 1325 | ++p_cmap_header_data; |
| 1326 | cmap[i].mtyp = (OPJ_BYTE) l_value; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1327 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1328 | opj_read_bytes(p_cmap_header_data, &l_value, 1); /* PCOL^i */ |
| 1329 | ++p_cmap_header_data; |
| 1330 | cmap[i].pcol = (OPJ_BYTE) l_value; |
| 1331 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1332 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1333 | jp2->color.jp2_pclr->cmap = cmap; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1334 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1335 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1336 | } |
| 1337 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1338 | static void opj_jp2_apply_cdef(opj_image_t *image, opj_jp2_color_t *color, |
| 1339 | opj_event_mgr_t *manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1340 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1341 | opj_jp2_cdef_info_t *info; |
| 1342 | OPJ_UINT16 i, n, cn, asoc, acn; |
| 1343 | |
| 1344 | info = color->jp2_cdef->info; |
| 1345 | n = color->jp2_cdef->n; |
| 1346 | |
| 1347 | for (i = 0; i < n; ++i) { |
| 1348 | /* WATCH: acn = asoc - 1 ! */ |
| 1349 | asoc = info[i].asoc; |
| 1350 | cn = info[i].cn; |
| 1351 | |
| 1352 | if (cn >= image->numcomps) { |
| 1353 | opj_event_msg(manager, EVT_WARNING, "opj_jp2_apply_cdef: cn=%d, numcomps=%d\n", |
| 1354 | cn, image->numcomps); |
| 1355 | continue; |
| 1356 | } |
| 1357 | if (asoc == 0 || asoc == 65535) { |
| 1358 | image->comps[cn].alpha = info[i].typ; |
| 1359 | continue; |
| 1360 | } |
| 1361 | |
| 1362 | acn = (OPJ_UINT16)(asoc - 1); |
| 1363 | if (acn >= image->numcomps) { |
| 1364 | opj_event_msg(manager, EVT_WARNING, "opj_jp2_apply_cdef: acn=%d, numcomps=%d\n", |
| 1365 | acn, image->numcomps); |
| 1366 | continue; |
| 1367 | } |
| 1368 | |
| 1369 | /* Swap only if color channel */ |
| 1370 | if ((cn != acn) && (info[i].typ == 0)) { |
| 1371 | opj_image_comp_t saved; |
| 1372 | OPJ_UINT16 j; |
| 1373 | |
| 1374 | memcpy(&saved, &image->comps[cn], sizeof(opj_image_comp_t)); |
| 1375 | memcpy(&image->comps[cn], &image->comps[acn], sizeof(opj_image_comp_t)); |
| 1376 | memcpy(&image->comps[acn], &saved, sizeof(opj_image_comp_t)); |
| 1377 | |
| 1378 | /* Swap channels in following channel definitions, don't bother with j <= i that are already processed */ |
| 1379 | for (j = (OPJ_UINT16)(i + 1U); j < n ; ++j) { |
| 1380 | if (info[j].cn == cn) { |
| 1381 | info[j].cn = acn; |
| 1382 | } else if (info[j].cn == acn) { |
| 1383 | info[j].cn = cn; |
| 1384 | } |
| 1385 | /* asoc is related to color index. Do not update. */ |
| 1386 | } |
| 1387 | } |
| 1388 | |
| 1389 | image->comps[cn].alpha = info[i].typ; |
| 1390 | } |
| 1391 | |
| 1392 | if (color->jp2_cdef->info) { |
| 1393 | opj_free(color->jp2_cdef->info); |
| 1394 | } |
| 1395 | |
| 1396 | opj_free(color->jp2_cdef); |
| 1397 | color->jp2_cdef = NULL; |
| 1398 | |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1399 | }/* jp2_apply_cdef() */ |
| 1400 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1401 | static OPJ_BOOL opj_jp2_read_cdef(opj_jp2_t * jp2, |
| 1402 | OPJ_BYTE * p_cdef_header_data, |
| 1403 | OPJ_UINT32 p_cdef_header_size, |
| 1404 | opj_event_mgr_t * p_manager |
| 1405 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1406 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1407 | opj_jp2_cdef_info_t *cdef_info; |
| 1408 | OPJ_UINT16 i; |
| 1409 | OPJ_UINT32 l_value; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1410 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1411 | /* preconditions */ |
| 1412 | assert(jp2 != 00); |
| 1413 | assert(p_cdef_header_data != 00); |
| 1414 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1415 | (void)p_cdef_header_size; |
| 1416 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1417 | /* Part 1, I.5.3.6: 'The shall be at most one Channel Definition box |
| 1418 | * inside a JP2 Header box.'*/ |
| 1419 | if (jp2->color.jp2_cdef) { |
| 1420 | return OPJ_FALSE; |
| 1421 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1422 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1423 | if (p_cdef_header_size < 2) { |
| 1424 | opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n"); |
| 1425 | return OPJ_FALSE; |
| 1426 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1427 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1428 | opj_read_bytes(p_cdef_header_data, &l_value, 2); /* N */ |
| 1429 | p_cdef_header_data += 2; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1430 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1431 | if ((OPJ_UINT16)l_value == 0) { /* szukw000: FIXME */ |
| 1432 | opj_event_msg(p_manager, EVT_ERROR, |
| 1433 | "Number of channel description is equal to zero in CDEF box.\n"); |
| 1434 | return OPJ_FALSE; |
| 1435 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1436 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1437 | if (p_cdef_header_size < 2 + (OPJ_UINT32)(OPJ_UINT16)l_value * 6) { |
| 1438 | opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n"); |
| 1439 | return OPJ_FALSE; |
| 1440 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1441 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1442 | cdef_info = (opj_jp2_cdef_info_t*) opj_malloc(l_value * sizeof( |
| 1443 | opj_jp2_cdef_info_t)); |
| 1444 | if (!cdef_info) { |
| 1445 | return OPJ_FALSE; |
| 1446 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1447 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1448 | jp2->color.jp2_cdef = (opj_jp2_cdef_t*)opj_malloc(sizeof(opj_jp2_cdef_t)); |
| 1449 | if (!jp2->color.jp2_cdef) { |
| 1450 | opj_free(cdef_info); |
| 1451 | return OPJ_FALSE; |
| 1452 | } |
| 1453 | jp2->color.jp2_cdef->info = cdef_info; |
| 1454 | jp2->color.jp2_cdef->n = (OPJ_UINT16) l_value; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1455 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1456 | for (i = 0; i < jp2->color.jp2_cdef->n; ++i) { |
| 1457 | opj_read_bytes(p_cdef_header_data, &l_value, 2); /* Cn^i */ |
| 1458 | p_cdef_header_data += 2; |
| 1459 | cdef_info[i].cn = (OPJ_UINT16) l_value; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1460 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1461 | opj_read_bytes(p_cdef_header_data, &l_value, 2); /* Typ^i */ |
| 1462 | p_cdef_header_data += 2; |
| 1463 | cdef_info[i].typ = (OPJ_UINT16) l_value; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1464 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1465 | opj_read_bytes(p_cdef_header_data, &l_value, 2); /* Asoc^i */ |
| 1466 | p_cdef_header_data += 2; |
| 1467 | cdef_info[i].asoc = (OPJ_UINT16) l_value; |
| 1468 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1469 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1470 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1471 | } |
| 1472 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1473 | static OPJ_BOOL opj_jp2_read_colr(opj_jp2_t *jp2, |
| 1474 | OPJ_BYTE * p_colr_header_data, |
| 1475 | OPJ_UINT32 p_colr_header_size, |
| 1476 | opj_event_mgr_t * p_manager |
| 1477 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1478 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1479 | OPJ_UINT32 l_value; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1480 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1481 | /* preconditions */ |
| 1482 | assert(jp2 != 00); |
| 1483 | assert(p_colr_header_data != 00); |
| 1484 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1485 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1486 | if (p_colr_header_size < 3) { |
| 1487 | opj_event_msg(p_manager, EVT_ERROR, "Bad COLR header box (bad size)\n"); |
| 1488 | return OPJ_FALSE; |
| 1489 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1490 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1491 | /* Part 1, I.5.3.3 : 'A conforming JP2 reader shall ignore all Colour |
| 1492 | * Specification boxes after the first.' |
| 1493 | */ |
| 1494 | if (jp2->color.jp2_has_colr) { |
| 1495 | opj_event_msg(p_manager, EVT_INFO, |
| 1496 | "A conforming JP2 reader shall ignore all Colour Specification boxes after the first, so we ignore this one.\n"); |
| 1497 | p_colr_header_data += p_colr_header_size; |
| 1498 | return OPJ_TRUE; |
| 1499 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1500 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1501 | opj_read_bytes(p_colr_header_data, &jp2->meth, 1); /* METH */ |
| 1502 | ++p_colr_header_data; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1503 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1504 | opj_read_bytes(p_colr_header_data, &jp2->precedence, 1); /* PRECEDENCE */ |
| 1505 | ++p_colr_header_data; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1506 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1507 | opj_read_bytes(p_colr_header_data, &jp2->approx, 1); /* APPROX */ |
| 1508 | ++p_colr_header_data; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1509 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1510 | if (jp2->meth == 1) { |
| 1511 | if (p_colr_header_size < 7) { |
| 1512 | opj_event_msg(p_manager, EVT_ERROR, "Bad COLR header box (bad size: %d)\n", |
| 1513 | p_colr_header_size); |
| 1514 | return OPJ_FALSE; |
| 1515 | } |
| 1516 | if ((p_colr_header_size > 7) && |
| 1517 | (jp2->enumcs != 14)) { /* handled below for CIELab) */ |
| 1518 | /* testcase Altona_Technical_v20_x4.pdf */ |
| 1519 | opj_event_msg(p_manager, EVT_WARNING, "Bad COLR header box (bad size: %d)\n", |
| 1520 | p_colr_header_size); |
| 1521 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1522 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1523 | opj_read_bytes(p_colr_header_data, &jp2->enumcs, 4); /* EnumCS */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1524 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1525 | p_colr_header_data += 4; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1526 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1527 | if (jp2->enumcs == 14) { /* CIELab */ |
| 1528 | OPJ_UINT32 *cielab; |
| 1529 | OPJ_UINT32 rl, ol, ra, oa, rb, ob, il; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1530 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1531 | cielab = (OPJ_UINT32*)opj_malloc(9 * sizeof(OPJ_UINT32)); |
| 1532 | if (cielab == NULL) { |
| 1533 | opj_event_msg(p_manager, EVT_ERROR, "Not enough memory for cielab\n"); |
| 1534 | return OPJ_FALSE; |
| 1535 | } |
| 1536 | cielab[0] = 14; /* enumcs */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1537 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1538 | /* default values */ |
| 1539 | rl = ra = rb = ol = oa = ob = 0; |
| 1540 | il = 0x00443530; /* D50 */ |
| 1541 | cielab[1] = 0x44454600;/* DEF */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1542 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1543 | if (p_colr_header_size == 35) { |
| 1544 | opj_read_bytes(p_colr_header_data, &rl, 4); |
| 1545 | p_colr_header_data += 4; |
| 1546 | opj_read_bytes(p_colr_header_data, &ol, 4); |
| 1547 | p_colr_header_data += 4; |
| 1548 | opj_read_bytes(p_colr_header_data, &ra, 4); |
| 1549 | p_colr_header_data += 4; |
| 1550 | opj_read_bytes(p_colr_header_data, &oa, 4); |
| 1551 | p_colr_header_data += 4; |
| 1552 | opj_read_bytes(p_colr_header_data, &rb, 4); |
| 1553 | p_colr_header_data += 4; |
| 1554 | opj_read_bytes(p_colr_header_data, &ob, 4); |
| 1555 | p_colr_header_data += 4; |
| 1556 | opj_read_bytes(p_colr_header_data, &il, 4); |
| 1557 | p_colr_header_data += 4; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1558 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1559 | cielab[1] = 0; |
| 1560 | } else if (p_colr_header_size != 7) { |
| 1561 | opj_event_msg(p_manager, EVT_WARNING, |
| 1562 | "Bad COLR header box (CIELab, bad size: %d)\n", p_colr_header_size); |
| 1563 | } |
| 1564 | cielab[2] = rl; |
| 1565 | cielab[4] = ra; |
| 1566 | cielab[6] = rb; |
| 1567 | cielab[3] = ol; |
| 1568 | cielab[5] = oa; |
| 1569 | cielab[7] = ob; |
| 1570 | cielab[8] = il; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1571 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1572 | jp2->color.icc_profile_buf = (OPJ_BYTE*)cielab; |
| 1573 | jp2->color.icc_profile_len = 0; |
| 1574 | } |
| 1575 | jp2->color.jp2_has_colr = 1; |
| 1576 | } else if (jp2->meth == 2) { |
| 1577 | /* ICC profile */ |
| 1578 | OPJ_INT32 it_icc_value = 0; |
| 1579 | OPJ_INT32 icc_len = (OPJ_INT32)p_colr_header_size - 3; |
| 1580 | |
| 1581 | jp2->color.icc_profile_len = (OPJ_UINT32)icc_len; |
| 1582 | jp2->color.icc_profile_buf = (OPJ_BYTE*) opj_calloc(1, (size_t)icc_len); |
| 1583 | if (!jp2->color.icc_profile_buf) { |
| 1584 | jp2->color.icc_profile_len = 0; |
| 1585 | return OPJ_FALSE; |
| 1586 | } |
| 1587 | |
| 1588 | for (it_icc_value = 0; it_icc_value < icc_len; ++it_icc_value) { |
| 1589 | opj_read_bytes(p_colr_header_data, &l_value, 1); /* icc values */ |
| 1590 | ++p_colr_header_data; |
| 1591 | jp2->color.icc_profile_buf[it_icc_value] = (OPJ_BYTE) l_value; |
| 1592 | } |
| 1593 | |
| 1594 | jp2->color.jp2_has_colr = 1; |
| 1595 | } else if (jp2->meth > 2) { |
| 1596 | /* ISO/IEC 15444-1:2004 (E), Table I.9 Legal METH values: |
| 1597 | conforming JP2 reader shall ignore the entire Colour Specification box.*/ |
| 1598 | opj_event_msg(p_manager, EVT_INFO, |
| 1599 | "COLR BOX meth value is not a regular value (%d), " |
| 1600 | "so we will ignore the entire Colour Specification box. \n", jp2->meth); |
| 1601 | } |
| 1602 | if (jp2->color.jp2_has_colr) { |
| 1603 | jp2->j2k->enumcs = jp2->enumcs; |
| 1604 | } |
| 1605 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1606 | } |
| 1607 | |
| 1608 | OPJ_BOOL opj_jp2_decode(opj_jp2_t *jp2, |
| 1609 | opj_stream_private_t *p_stream, |
| 1610 | opj_image_t* p_image, |
| 1611 | opj_event_mgr_t * p_manager) |
| 1612 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1613 | if (!p_image) { |
| 1614 | return OPJ_FALSE; |
| 1615 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1616 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1617 | /* J2K decoding */ |
| 1618 | if (! opj_j2k_decode(jp2->j2k, p_stream, p_image, p_manager)) { |
| 1619 | opj_event_msg(p_manager, EVT_ERROR, |
| 1620 | "Failed to decode the codestream in the JP2 file\n"); |
| 1621 | return OPJ_FALSE; |
| 1622 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1623 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1624 | if (jp2->j2k->m_specific_param.m_decoder.m_numcomps_to_decode) { |
| 1625 | /* Bypass all JP2 component transforms */ |
| 1626 | return OPJ_TRUE; |
| 1627 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1628 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1629 | if (!jp2->ignore_pclr_cmap_cdef) { |
| 1630 | if (!opj_jp2_check_color(p_image, &(jp2->color), p_manager)) { |
| 1631 | return OPJ_FALSE; |
| 1632 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1633 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1634 | /* Set Image Color Space */ |
| 1635 | if (jp2->enumcs == 16) { |
| 1636 | p_image->color_space = OPJ_CLRSPC_SRGB; |
| 1637 | } else if (jp2->enumcs == 17) { |
| 1638 | p_image->color_space = OPJ_CLRSPC_GRAY; |
| 1639 | } else if (jp2->enumcs == 18) { |
| 1640 | p_image->color_space = OPJ_CLRSPC_SYCC; |
| 1641 | } else if (jp2->enumcs == 24) { |
| 1642 | p_image->color_space = OPJ_CLRSPC_EYCC; |
| 1643 | } else if (jp2->enumcs == 12) { |
| 1644 | p_image->color_space = OPJ_CLRSPC_CMYK; |
| 1645 | } else { |
| 1646 | p_image->color_space = OPJ_CLRSPC_UNKNOWN; |
| 1647 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1648 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1649 | if (jp2->color.jp2_pclr) { |
| 1650 | /* Part 1, I.5.3.4: Either both or none : */ |
| 1651 | if (!jp2->color.jp2_pclr->cmap) { |
| 1652 | opj_jp2_free_pclr(&(jp2->color)); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 1653 | } else { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1654 | if (!opj_jp2_apply_pclr(p_image, &(jp2->color), p_manager)) { |
| 1655 | return OPJ_FALSE; |
| 1656 | } |
| 1657 | } |
| 1658 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1659 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1660 | /* Apply the color space if needed */ |
| 1661 | if (jp2->color.jp2_cdef) { |
| 1662 | opj_jp2_apply_cdef(p_image, &(jp2->color), p_manager); |
| 1663 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1664 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1665 | if (jp2->color.icc_profile_buf) { |
| 1666 | p_image->icc_profile_buf = jp2->color.icc_profile_buf; |
| 1667 | p_image->icc_profile_len = jp2->color.icc_profile_len; |
| 1668 | jp2->color.icc_profile_buf = NULL; |
| 1669 | } |
| 1670 | } |
| 1671 | |
| 1672 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1673 | } |
| 1674 | |
| 1675 | static OPJ_BOOL opj_jp2_write_jp2h(opj_jp2_t *jp2, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1676 | opj_stream_private_t *stream, |
| 1677 | opj_event_mgr_t * p_manager |
| 1678 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1679 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1680 | opj_jp2_img_header_writer_handler_t l_writers [4]; |
| 1681 | opj_jp2_img_header_writer_handler_t * l_current_writer; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1682 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1683 | OPJ_INT32 i, l_nb_pass; |
| 1684 | /* size of data for super box*/ |
| 1685 | OPJ_UINT32 l_jp2h_size = 8; |
| 1686 | OPJ_BOOL l_result = OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1687 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1688 | /* to store the data of the super box */ |
| 1689 | OPJ_BYTE l_jp2h_data [8]; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1690 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1691 | /* preconditions */ |
| 1692 | assert(stream != 00); |
| 1693 | assert(jp2 != 00); |
| 1694 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1695 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1696 | memset(l_writers, 0, sizeof(l_writers)); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1697 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1698 | if (jp2->bpc == 255) { |
| 1699 | l_nb_pass = 3; |
| 1700 | l_writers[0].handler = opj_jp2_write_ihdr; |
| 1701 | l_writers[1].handler = opj_jp2_write_bpcc; |
| 1702 | l_writers[2].handler = opj_jp2_write_colr; |
| 1703 | } else { |
| 1704 | l_nb_pass = 2; |
| 1705 | l_writers[0].handler = opj_jp2_write_ihdr; |
| 1706 | l_writers[1].handler = opj_jp2_write_colr; |
| 1707 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1708 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1709 | if (jp2->color.jp2_cdef != NULL) { |
| 1710 | l_writers[l_nb_pass].handler = opj_jp2_write_cdef; |
| 1711 | l_nb_pass++; |
| 1712 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1713 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1714 | /* write box header */ |
| 1715 | /* write JP2H type */ |
| 1716 | opj_write_bytes(l_jp2h_data + 4, JP2_JP2H, 4); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1717 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1718 | l_current_writer = l_writers; |
| 1719 | for (i = 0; i < l_nb_pass; ++i) { |
| 1720 | l_current_writer->m_data = l_current_writer->handler(jp2, |
| 1721 | &(l_current_writer->m_size)); |
| 1722 | if (l_current_writer->m_data == 00) { |
| 1723 | opj_event_msg(p_manager, EVT_ERROR, |
| 1724 | "Not enough memory to hold JP2 Header data\n"); |
| 1725 | l_result = OPJ_FALSE; |
| 1726 | break; |
| 1727 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1728 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1729 | l_jp2h_size += l_current_writer->m_size; |
| 1730 | ++l_current_writer; |
| 1731 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1732 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1733 | if (! l_result) { |
| 1734 | l_current_writer = l_writers; |
| 1735 | for (i = 0; i < l_nb_pass; ++i) { |
| 1736 | if (l_current_writer->m_data != 00) { |
| 1737 | opj_free(l_current_writer->m_data); |
| 1738 | } |
| 1739 | ++l_current_writer; |
| 1740 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1741 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1742 | return OPJ_FALSE; |
| 1743 | } |
| 1744 | |
| 1745 | /* write super box size */ |
| 1746 | opj_write_bytes(l_jp2h_data, l_jp2h_size, 4); |
| 1747 | |
| 1748 | /* write super box data on stream */ |
| 1749 | if (opj_stream_write_data(stream, l_jp2h_data, 8, p_manager) != 8) { |
| 1750 | opj_event_msg(p_manager, EVT_ERROR, |
| 1751 | "Stream error while writing JP2 Header box\n"); |
| 1752 | l_result = OPJ_FALSE; |
| 1753 | } |
| 1754 | |
| 1755 | if (l_result) { |
| 1756 | l_current_writer = l_writers; |
| 1757 | for (i = 0; i < l_nb_pass; ++i) { |
| 1758 | if (opj_stream_write_data(stream, l_current_writer->m_data, |
| 1759 | l_current_writer->m_size, p_manager) != l_current_writer->m_size) { |
| 1760 | opj_event_msg(p_manager, EVT_ERROR, |
| 1761 | "Stream error while writing JP2 Header box\n"); |
| 1762 | l_result = OPJ_FALSE; |
| 1763 | break; |
| 1764 | } |
| 1765 | ++l_current_writer; |
| 1766 | } |
| 1767 | } |
| 1768 | |
| 1769 | l_current_writer = l_writers; |
| 1770 | |
| 1771 | /* cleanup */ |
| 1772 | for (i = 0; i < l_nb_pass; ++i) { |
| 1773 | if (l_current_writer->m_data != 00) { |
| 1774 | opj_free(l_current_writer->m_data); |
| 1775 | } |
| 1776 | ++l_current_writer; |
| 1777 | } |
| 1778 | |
| 1779 | return l_result; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1780 | } |
| 1781 | |
| 1782 | static OPJ_BOOL opj_jp2_write_ftyp(opj_jp2_t *jp2, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1783 | opj_stream_private_t *cio, |
| 1784 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1785 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1786 | OPJ_UINT32 i; |
| 1787 | OPJ_UINT32 l_ftyp_size; |
| 1788 | OPJ_BYTE * l_ftyp_data, * l_current_data_ptr; |
| 1789 | OPJ_BOOL l_result; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1790 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1791 | /* preconditions */ |
| 1792 | assert(cio != 00); |
| 1793 | assert(jp2 != 00); |
| 1794 | assert(p_manager != 00); |
| 1795 | l_ftyp_size = 16 + 4 * jp2->numcl; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1796 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1797 | l_ftyp_data = (OPJ_BYTE *) opj_calloc(1, l_ftyp_size); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1798 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1799 | if (l_ftyp_data == 00) { |
| 1800 | opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle ftyp data\n"); |
| 1801 | return OPJ_FALSE; |
| 1802 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1803 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1804 | l_current_data_ptr = l_ftyp_data; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1805 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1806 | opj_write_bytes(l_current_data_ptr, l_ftyp_size, 4); /* box size */ |
| 1807 | l_current_data_ptr += 4; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1808 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1809 | opj_write_bytes(l_current_data_ptr, JP2_FTYP, 4); /* FTYP */ |
| 1810 | l_current_data_ptr += 4; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1811 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1812 | opj_write_bytes(l_current_data_ptr, jp2->brand, 4); /* BR */ |
| 1813 | l_current_data_ptr += 4; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1814 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1815 | opj_write_bytes(l_current_data_ptr, jp2->minversion, 4); /* MinV */ |
| 1816 | l_current_data_ptr += 4; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1817 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1818 | for (i = 0; i < jp2->numcl; i++) { |
| 1819 | opj_write_bytes(l_current_data_ptr, jp2->cl[i], 4); /* CL */ |
| 1820 | } |
| 1821 | |
| 1822 | l_result = (opj_stream_write_data(cio, l_ftyp_data, l_ftyp_size, |
| 1823 | p_manager) == l_ftyp_size); |
| 1824 | if (! l_result) { |
| 1825 | opj_event_msg(p_manager, EVT_ERROR, |
| 1826 | "Error while writing ftyp data to stream\n"); |
| 1827 | } |
| 1828 | |
| 1829 | opj_free(l_ftyp_data); |
| 1830 | |
| 1831 | return l_result; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1832 | } |
| 1833 | |
| 1834 | static OPJ_BOOL opj_jp2_write_jp2c(opj_jp2_t *jp2, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1835 | opj_stream_private_t *cio, |
| 1836 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1837 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1838 | OPJ_OFF_T j2k_codestream_exit; |
| 1839 | OPJ_BYTE l_data_header [8]; |
| 1840 | |
| 1841 | /* preconditions */ |
| 1842 | assert(jp2 != 00); |
| 1843 | assert(cio != 00); |
| 1844 | assert(p_manager != 00); |
| 1845 | assert(opj_stream_has_seek(cio)); |
| 1846 | |
| 1847 | j2k_codestream_exit = opj_stream_tell(cio); |
| 1848 | opj_write_bytes(l_data_header, |
| 1849 | (OPJ_UINT32)(j2k_codestream_exit - jp2->j2k_codestream_offset), |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1850 | 4); /* size of codestream */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1851 | opj_write_bytes(l_data_header + 4, JP2_JP2C, |
| 1852 | 4); /* JP2C */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1853 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1854 | if (! opj_stream_seek(cio, jp2->j2k_codestream_offset, p_manager)) { |
| 1855 | opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); |
| 1856 | return OPJ_FALSE; |
| 1857 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1858 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1859 | if (opj_stream_write_data(cio, l_data_header, 8, p_manager) != 8) { |
| 1860 | opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); |
| 1861 | return OPJ_FALSE; |
| 1862 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1863 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1864 | if (! opj_stream_seek(cio, j2k_codestream_exit, p_manager)) { |
| 1865 | opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); |
| 1866 | return OPJ_FALSE; |
| 1867 | } |
| 1868 | |
| 1869 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1870 | } |
| 1871 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1872 | static OPJ_BOOL opj_jp2_write_jp(opj_jp2_t *jp2, |
| 1873 | opj_stream_private_t *cio, |
| 1874 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1875 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1876 | /* 12 bytes will be read */ |
| 1877 | OPJ_BYTE l_signature_data [12]; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1878 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1879 | /* preconditions */ |
| 1880 | assert(cio != 00); |
| 1881 | assert(jp2 != 00); |
| 1882 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1883 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1884 | OPJ_UNUSED(jp2); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1885 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1886 | /* write box length */ |
| 1887 | opj_write_bytes(l_signature_data, 12, 4); |
| 1888 | /* writes box type */ |
| 1889 | opj_write_bytes(l_signature_data + 4, JP2_JP, 4); |
| 1890 | /* writes magic number*/ |
| 1891 | opj_write_bytes(l_signature_data + 8, 0x0d0a870a, 4); |
| 1892 | |
| 1893 | if (opj_stream_write_data(cio, l_signature_data, 12, p_manager) != 12) { |
| 1894 | return OPJ_FALSE; |
| 1895 | } |
| 1896 | |
| 1897 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1898 | } |
| 1899 | |
| 1900 | /* ----------------------------------------------------------------------- */ |
| 1901 | /* JP2 decoder interface */ |
| 1902 | /* ----------------------------------------------------------------------- */ |
| 1903 | |
| 1904 | void opj_jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters) |
| 1905 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1906 | /* setup the J2K codec */ |
| 1907 | opj_j2k_setup_decoder(jp2->j2k, parameters); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1908 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1909 | /* further JP2 initializations go here */ |
| 1910 | jp2->color.jp2_has_colr = 0; |
| 1911 | jp2->comps = NULL; |
| 1912 | jp2->ignore_pclr_cmap_cdef = parameters->flags & |
| 1913 | OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG; |
| 1914 | } |
| 1915 | |
| 1916 | OPJ_BOOL opj_jp2_set_threads(opj_jp2_t *jp2, OPJ_UINT32 num_threads) |
| 1917 | { |
| 1918 | return opj_j2k_set_threads(jp2->j2k, num_threads); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1919 | } |
| 1920 | |
| 1921 | /* ----------------------------------------------------------------------- */ |
| 1922 | /* JP2 encoder interface */ |
| 1923 | /* ----------------------------------------------------------------------- */ |
| 1924 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1925 | OPJ_BOOL opj_jp2_setup_encoder(opj_jp2_t *jp2, |
| 1926 | opj_cparameters_t *parameters, |
| 1927 | opj_image_t *image, |
| 1928 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1929 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1930 | OPJ_UINT32 i; |
| 1931 | OPJ_UINT32 depth_0; |
| 1932 | OPJ_UINT32 sign; |
| 1933 | OPJ_UINT32 alpha_count; |
| 1934 | OPJ_UINT32 color_channels = 0U; |
| 1935 | OPJ_UINT32 alpha_channel = 0U; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1936 | |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1937 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1938 | if (!jp2 || !parameters || !image) { |
| 1939 | return OPJ_FALSE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1940 | } |
| 1941 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1942 | /* setup the J2K codec */ |
| 1943 | /* ------------------- */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1944 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1945 | /* Check if number of components respects standard */ |
| 1946 | if (image->numcomps < 1 || image->numcomps > 16384) { |
| 1947 | opj_event_msg(p_manager, EVT_ERROR, |
| 1948 | "Invalid number of components specified while setting up JP2 encoder\n"); |
| 1949 | return OPJ_FALSE; |
| 1950 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1951 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1952 | if (opj_j2k_setup_encoder(jp2->j2k, parameters, image, |
| 1953 | p_manager) == OPJ_FALSE) { |
| 1954 | return OPJ_FALSE; |
| 1955 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 1956 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1957 | /* setup the JP2 codec */ |
| 1958 | /* ------------------- */ |
| 1959 | |
| 1960 | /* Profile box */ |
| 1961 | |
| 1962 | jp2->brand = JP2_JP2; /* BR */ |
| 1963 | jp2->minversion = 0; /* MinV */ |
| 1964 | jp2->numcl = 1; |
| 1965 | jp2->cl = (OPJ_UINT32*) opj_malloc(jp2->numcl * sizeof(OPJ_UINT32)); |
| 1966 | if (!jp2->cl) { |
| 1967 | opj_event_msg(p_manager, EVT_ERROR, |
| 1968 | "Not enough memory when setup the JP2 encoder\n"); |
| 1969 | return OPJ_FALSE; |
| 1970 | } |
| 1971 | jp2->cl[0] = JP2_JP2; /* CL0 : JP2 */ |
| 1972 | |
| 1973 | /* Image Header box */ |
| 1974 | |
| 1975 | jp2->numcomps = image->numcomps; /* NC */ |
| 1976 | jp2->comps = (opj_jp2_comps_t*) opj_malloc(jp2->numcomps * sizeof( |
| 1977 | opj_jp2_comps_t)); |
| 1978 | if (!jp2->comps) { |
| 1979 | opj_event_msg(p_manager, EVT_ERROR, |
| 1980 | "Not enough memory when setup the JP2 encoder\n"); |
| 1981 | /* Memory of jp2->cl will be freed by opj_jp2_destroy */ |
| 1982 | return OPJ_FALSE; |
| 1983 | } |
| 1984 | |
| 1985 | jp2->h = image->y1 - image->y0; /* HEIGHT */ |
| 1986 | jp2->w = image->x1 - image->x0; /* WIDTH */ |
| 1987 | /* BPC */ |
| 1988 | depth_0 = image->comps[0].prec - 1; |
| 1989 | sign = image->comps[0].sgnd; |
| 1990 | jp2->bpc = depth_0 + (sign << 7); |
| 1991 | for (i = 1; i < image->numcomps; i++) { |
| 1992 | OPJ_UINT32 depth = image->comps[i].prec - 1; |
| 1993 | sign = image->comps[i].sgnd; |
| 1994 | if (depth_0 != depth) { |
| 1995 | jp2->bpc = 255; |
| 1996 | } |
| 1997 | } |
| 1998 | jp2->C = 7; /* C : Always 7 */ |
| 1999 | jp2->UnkC = 0; /* UnkC, colorspace specified in colr box */ |
| 2000 | jp2->IPR = 0; /* IPR, no intellectual property */ |
| 2001 | |
| 2002 | /* BitsPerComponent box */ |
| 2003 | for (i = 0; i < image->numcomps; i++) { |
| 2004 | jp2->comps[i].bpcc = image->comps[i].prec - 1 + (image->comps[i].sgnd << 7); |
| 2005 | } |
| 2006 | |
| 2007 | /* Colour Specification box */ |
| 2008 | if (image->icc_profile_len) { |
| 2009 | jp2->meth = 2; |
| 2010 | jp2->enumcs = 0; |
| 2011 | } else { |
| 2012 | jp2->meth = 1; |
| 2013 | if (image->color_space == 1) { |
| 2014 | jp2->enumcs = 16; /* sRGB as defined by IEC 61966-2-1 */ |
| 2015 | } else if (image->color_space == 2) { |
| 2016 | jp2->enumcs = 17; /* greyscale */ |
| 2017 | } else if (image->color_space == 3) { |
| 2018 | jp2->enumcs = 18; /* YUV */ |
| 2019 | } |
| 2020 | } |
| 2021 | |
| 2022 | /* Channel Definition box */ |
| 2023 | /* FIXME not provided by parameters */ |
| 2024 | /* We try to do what we can... */ |
| 2025 | alpha_count = 0U; |
| 2026 | for (i = 0; i < image->numcomps; i++) { |
| 2027 | if (image->comps[i].alpha != 0) { |
| 2028 | alpha_count++; |
| 2029 | alpha_channel = i; |
| 2030 | } |
| 2031 | } |
| 2032 | if (alpha_count == 1U) { /* no way to deal with more than 1 alpha channel */ |
| 2033 | switch (jp2->enumcs) { |
| 2034 | case 16: |
| 2035 | case 18: |
| 2036 | color_channels = 3; |
| 2037 | break; |
| 2038 | case 17: |
| 2039 | color_channels = 1; |
| 2040 | break; |
| 2041 | default: |
| 2042 | alpha_count = 0U; |
| 2043 | break; |
| 2044 | } |
| 2045 | if (alpha_count == 0U) { |
| 2046 | opj_event_msg(p_manager, EVT_WARNING, |
| 2047 | "Alpha channel specified but unknown enumcs. No cdef box will be created.\n"); |
| 2048 | } else if (image->numcomps < (color_channels + 1)) { |
| 2049 | opj_event_msg(p_manager, EVT_WARNING, |
| 2050 | "Alpha channel specified but not enough image components for an automatic cdef box creation.\n"); |
| 2051 | alpha_count = 0U; |
| 2052 | } else if ((OPJ_UINT32)alpha_channel < color_channels) { |
| 2053 | opj_event_msg(p_manager, EVT_WARNING, |
| 2054 | "Alpha channel position conflicts with color channel. No cdef box will be created.\n"); |
| 2055 | alpha_count = 0U; |
| 2056 | } |
| 2057 | } else if (alpha_count > 1) { |
| 2058 | opj_event_msg(p_manager, EVT_WARNING, |
| 2059 | "Multiple alpha channels specified. No cdef box will be created.\n"); |
| 2060 | } |
| 2061 | if (alpha_count == 1U) { /* if here, we know what we can do */ |
| 2062 | jp2->color.jp2_cdef = (opj_jp2_cdef_t*)opj_malloc(sizeof(opj_jp2_cdef_t)); |
| 2063 | if (!jp2->color.jp2_cdef) { |
| 2064 | opj_event_msg(p_manager, EVT_ERROR, |
| 2065 | "Not enough memory to setup the JP2 encoder\n"); |
| 2066 | return OPJ_FALSE; |
| 2067 | } |
| 2068 | /* no memset needed, all values will be overwritten except if jp2->color.jp2_cdef->info allocation fails, */ |
| 2069 | /* in which case jp2->color.jp2_cdef->info will be NULL => valid for destruction */ |
| 2070 | jp2->color.jp2_cdef->info = (opj_jp2_cdef_info_t*) opj_malloc( |
| 2071 | image->numcomps * sizeof(opj_jp2_cdef_info_t)); |
| 2072 | if (!jp2->color.jp2_cdef->info) { |
| 2073 | /* memory will be freed by opj_jp2_destroy */ |
| 2074 | opj_event_msg(p_manager, EVT_ERROR, |
| 2075 | "Not enough memory to setup the JP2 encoder\n"); |
| 2076 | return OPJ_FALSE; |
| 2077 | } |
| 2078 | jp2->color.jp2_cdef->n = (OPJ_UINT16) |
| 2079 | image->numcomps; /* cast is valid : image->numcomps [1,16384] */ |
| 2080 | for (i = 0U; i < color_channels; i++) { |
| 2081 | jp2->color.jp2_cdef->info[i].cn = (OPJ_UINT16) |
| 2082 | i; /* cast is valid : image->numcomps [1,16384] */ |
| 2083 | jp2->color.jp2_cdef->info[i].typ = 0U; |
| 2084 | jp2->color.jp2_cdef->info[i].asoc = (OPJ_UINT16)(i + |
| 2085 | 1U); /* No overflow + cast is valid : image->numcomps [1,16384] */ |
| 2086 | } |
| 2087 | for (; i < image->numcomps; i++) { |
| 2088 | if (image->comps[i].alpha != 0) { /* we'll be here exactly once */ |
| 2089 | jp2->color.jp2_cdef->info[i].cn = (OPJ_UINT16) |
| 2090 | i; /* cast is valid : image->numcomps [1,16384] */ |
| 2091 | jp2->color.jp2_cdef->info[i].typ = 1U; /* Opacity channel */ |
| 2092 | jp2->color.jp2_cdef->info[i].asoc = |
| 2093 | 0U; /* Apply alpha channel to the whole image */ |
| 2094 | } else { |
| 2095 | /* Unknown channel */ |
| 2096 | jp2->color.jp2_cdef->info[i].cn = (OPJ_UINT16) |
| 2097 | i; /* cast is valid : image->numcomps [1,16384] */ |
| 2098 | jp2->color.jp2_cdef->info[i].typ = 65535U; |
| 2099 | jp2->color.jp2_cdef->info[i].asoc = 65535U; |
| 2100 | } |
| 2101 | } |
| 2102 | } |
| 2103 | |
| 2104 | jp2->precedence = 0; /* PRECEDENCE */ |
| 2105 | jp2->approx = 0; /* APPROX */ |
| 2106 | |
| 2107 | jp2->jpip_on = parameters->jpip_on; |
| 2108 | |
| 2109 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2110 | } |
| 2111 | |
| 2112 | OPJ_BOOL opj_jp2_encode(opj_jp2_t *jp2, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2113 | opj_stream_private_t *stream, |
| 2114 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2115 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2116 | return opj_j2k_encode(jp2->j2k, stream, p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2117 | } |
| 2118 | |
| 2119 | OPJ_BOOL opj_jp2_end_decompress(opj_jp2_t *jp2, |
| 2120 | opj_stream_private_t *cio, |
| 2121 | opj_event_mgr_t * p_manager |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2122 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2123 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2124 | /* preconditions */ |
| 2125 | assert(jp2 != 00); |
| 2126 | assert(cio != 00); |
| 2127 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2128 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2129 | /* customization of the end encoding */ |
| 2130 | if (! opj_jp2_setup_end_header_reading(jp2, p_manager)) { |
| 2131 | return OPJ_FALSE; |
| 2132 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2133 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2134 | /* write header */ |
| 2135 | if (! opj_jp2_exec(jp2, jp2->m_procedure_list, cio, p_manager)) { |
| 2136 | return OPJ_FALSE; |
| 2137 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2138 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2139 | return opj_j2k_end_decompress(jp2->j2k, cio, p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2140 | } |
| 2141 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2142 | OPJ_BOOL opj_jp2_end_compress(opj_jp2_t *jp2, |
| 2143 | opj_stream_private_t *cio, |
| 2144 | opj_event_mgr_t * p_manager |
| 2145 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2146 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2147 | /* preconditions */ |
| 2148 | assert(jp2 != 00); |
| 2149 | assert(cio != 00); |
| 2150 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2151 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2152 | /* customization of the end encoding */ |
| 2153 | if (! opj_jp2_setup_end_header_writing(jp2, p_manager)) { |
| 2154 | return OPJ_FALSE; |
| 2155 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2156 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2157 | if (! opj_j2k_end_compress(jp2->j2k, cio, p_manager)) { |
| 2158 | return OPJ_FALSE; |
| 2159 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2160 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2161 | /* write header */ |
| 2162 | return opj_jp2_exec(jp2, jp2->m_procedure_list, cio, p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2163 | } |
| 2164 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2165 | static OPJ_BOOL opj_jp2_setup_end_header_writing(opj_jp2_t *jp2, |
| 2166 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2167 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2168 | /* preconditions */ |
| 2169 | assert(jp2 != 00); |
| 2170 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2171 | |
| 2172 | #ifdef USE_JPIP |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2173 | if (jp2->jpip_on) { |
| 2174 | if (! opj_procedure_list_add_procedure(jp2->m_procedure_list, |
| 2175 | (opj_procedure)opj_jpip_write_iptr, p_manager)) { |
| 2176 | return OPJ_FALSE; |
| 2177 | } |
| 2178 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2179 | #endif |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2180 | if (! opj_procedure_list_add_procedure(jp2->m_procedure_list, |
| 2181 | (opj_procedure)opj_jp2_write_jp2c, p_manager)) { |
| 2182 | return OPJ_FALSE; |
| 2183 | } |
| 2184 | /* DEVELOPER CORNER, add your custom procedures */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2185 | #ifdef USE_JPIP |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2186 | if (jp2->jpip_on) { |
| 2187 | if (! opj_procedure_list_add_procedure(jp2->m_procedure_list, |
| 2188 | (opj_procedure)opj_jpip_write_cidx, p_manager)) { |
| 2189 | return OPJ_FALSE; |
| 2190 | } |
| 2191 | if (! opj_procedure_list_add_procedure(jp2->m_procedure_list, |
| 2192 | (opj_procedure)opj_jpip_write_fidx, p_manager)) { |
| 2193 | return OPJ_FALSE; |
| 2194 | } |
| 2195 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2196 | #endif |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2197 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2198 | } |
| 2199 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2200 | static OPJ_BOOL opj_jp2_setup_end_header_reading(opj_jp2_t *jp2, |
| 2201 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2202 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2203 | /* preconditions */ |
| 2204 | assert(jp2 != 00); |
| 2205 | assert(p_manager != 00); |
| 2206 | |
| 2207 | if (! opj_procedure_list_add_procedure(jp2->m_procedure_list, |
| 2208 | (opj_procedure)opj_jp2_read_header_procedure, p_manager)) { |
| 2209 | return OPJ_FALSE; |
| 2210 | } |
| 2211 | /* DEVELOPER CORNER, add your custom procedures */ |
| 2212 | |
| 2213 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2214 | } |
| 2215 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2216 | static OPJ_BOOL opj_jp2_default_validation(opj_jp2_t * jp2, |
| 2217 | opj_stream_private_t *cio, |
| 2218 | opj_event_mgr_t * p_manager |
| 2219 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2220 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2221 | OPJ_BOOL l_is_valid = OPJ_TRUE; |
| 2222 | OPJ_UINT32 i; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2223 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2224 | /* preconditions */ |
| 2225 | assert(jp2 != 00); |
| 2226 | assert(cio != 00); |
| 2227 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2228 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2229 | OPJ_UNUSED(p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2230 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2231 | /* JPEG2000 codec validation */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2232 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2233 | /* STATE checking */ |
| 2234 | /* make sure the state is at 0 */ |
| 2235 | l_is_valid &= (jp2->jp2_state == JP2_STATE_NONE); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2236 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2237 | /* make sure not reading a jp2h ???? WEIRD */ |
| 2238 | l_is_valid &= (jp2->jp2_img_state == JP2_IMG_STATE_NONE); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2239 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2240 | /* POINTER validation */ |
| 2241 | /* make sure a j2k codec is present */ |
| 2242 | l_is_valid &= (jp2->j2k != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2243 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2244 | /* make sure a procedure list is present */ |
| 2245 | l_is_valid &= (jp2->m_procedure_list != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2246 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2247 | /* make sure a validation list is present */ |
| 2248 | l_is_valid &= (jp2->m_validation_list != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2249 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2250 | /* PARAMETER VALIDATION */ |
| 2251 | /* number of components */ |
| 2252 | l_is_valid &= (jp2->numcl > 0); |
| 2253 | /* width */ |
| 2254 | l_is_valid &= (jp2->h > 0); |
| 2255 | /* height */ |
| 2256 | l_is_valid &= (jp2->w > 0); |
| 2257 | /* precision */ |
| 2258 | for (i = 0; i < jp2->numcomps; ++i) { |
| 2259 | l_is_valid &= ((jp2->comps[i].bpcc & 0x7FU) < |
| 2260 | 38U); /* 0 is valid, ignore sign for check */ |
| 2261 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2262 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2263 | /* METH */ |
| 2264 | l_is_valid &= ((jp2->meth > 0) && (jp2->meth < 3)); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2265 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2266 | /* stream validation */ |
| 2267 | /* back and forth is needed */ |
| 2268 | l_is_valid &= opj_stream_has_seek(cio); |
| 2269 | |
| 2270 | return l_is_valid; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2271 | } |
| 2272 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2273 | static OPJ_BOOL opj_jp2_read_header_procedure(opj_jp2_t *jp2, |
| 2274 | opj_stream_private_t *stream, |
| 2275 | opj_event_mgr_t * p_manager |
| 2276 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2277 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2278 | opj_jp2_box_t box; |
| 2279 | OPJ_UINT32 l_nb_bytes_read; |
| 2280 | const opj_jp2_header_handler_t * l_current_handler; |
| 2281 | const opj_jp2_header_handler_t * l_current_handler_misplaced; |
| 2282 | OPJ_UINT32 l_last_data_size = OPJ_BOX_SIZE; |
| 2283 | OPJ_UINT32 l_current_data_size; |
| 2284 | OPJ_BYTE * l_current_data = 00; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2285 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2286 | /* preconditions */ |
| 2287 | assert(stream != 00); |
| 2288 | assert(jp2 != 00); |
| 2289 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2290 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2291 | l_current_data = (OPJ_BYTE*)opj_calloc(1, l_last_data_size); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2292 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2293 | if (l_current_data == 00) { |
| 2294 | opj_event_msg(p_manager, EVT_ERROR, |
| 2295 | "Not enough memory to handle jpeg2000 file header\n"); |
| 2296 | return OPJ_FALSE; |
| 2297 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2298 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2299 | while (opj_jp2_read_boxhdr(&box, &l_nb_bytes_read, stream, p_manager)) { |
| 2300 | /* is it the codestream box ? */ |
| 2301 | if (box.type == JP2_JP2C) { |
| 2302 | if (jp2->jp2_state & JP2_STATE_HEADER) { |
| 2303 | jp2->jp2_state |= JP2_STATE_CODESTREAM; |
| 2304 | opj_free(l_current_data); |
| 2305 | return OPJ_TRUE; |
| 2306 | } else { |
| 2307 | opj_event_msg(p_manager, EVT_ERROR, "bad placed jpeg codestream\n"); |
| 2308 | opj_free(l_current_data); |
| 2309 | return OPJ_FALSE; |
| 2310 | } |
| 2311 | } else if (box.length == 0) { |
| 2312 | opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n"); |
| 2313 | opj_free(l_current_data); |
| 2314 | return OPJ_FALSE; |
| 2315 | } |
| 2316 | /* testcase 1851.pdf.SIGSEGV.ce9.948 */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2317 | else if (box.length < l_nb_bytes_read) { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2318 | opj_event_msg(p_manager, EVT_ERROR, "invalid box size %d (%x)\n", box.length, |
| 2319 | box.type); |
| 2320 | opj_free(l_current_data); |
| 2321 | return OPJ_FALSE; |
| 2322 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2323 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2324 | l_current_handler = opj_jp2_find_handler(box.type); |
| 2325 | l_current_handler_misplaced = opj_jp2_img_find_handler(box.type); |
| 2326 | l_current_data_size = box.length - l_nb_bytes_read; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2327 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2328 | if ((l_current_handler != 00) || (l_current_handler_misplaced != 00)) { |
| 2329 | if (l_current_handler == 00) { |
| 2330 | opj_event_msg(p_manager, EVT_WARNING, |
| 2331 | "Found a misplaced '%c%c%c%c' box outside jp2h box\n", |
| 2332 | (OPJ_BYTE)(box.type >> 24), (OPJ_BYTE)(box.type >> 16), |
| 2333 | (OPJ_BYTE)(box.type >> 8), (OPJ_BYTE)(box.type >> 0)); |
| 2334 | if (jp2->jp2_state & JP2_STATE_HEADER) { |
| 2335 | /* read anyway, we already have jp2h */ |
| 2336 | l_current_handler = l_current_handler_misplaced; |
| 2337 | } else { |
| 2338 | opj_event_msg(p_manager, EVT_WARNING, |
| 2339 | "JPEG2000 Header box not read yet, '%c%c%c%c' box will be ignored\n", |
| 2340 | (OPJ_BYTE)(box.type >> 24), (OPJ_BYTE)(box.type >> 16), |
| 2341 | (OPJ_BYTE)(box.type >> 8), (OPJ_BYTE)(box.type >> 0)); |
| 2342 | jp2->jp2_state |= JP2_STATE_UNKNOWN; |
| 2343 | if (opj_stream_skip(stream, l_current_data_size, |
| 2344 | p_manager) != l_current_data_size) { |
| 2345 | opj_event_msg(p_manager, EVT_ERROR, |
| 2346 | "Problem with skipping JPEG2000 box, stream error\n"); |
| 2347 | opj_free(l_current_data); |
| 2348 | return OPJ_FALSE; |
| 2349 | } |
| 2350 | continue; |
| 2351 | } |
| 2352 | } |
| 2353 | if ((OPJ_OFF_T)l_current_data_size > opj_stream_get_number_byte_left(stream)) { |
| 2354 | /* do not even try to malloc if we can't read */ |
| 2355 | opj_event_msg(p_manager, EVT_ERROR, |
| 2356 | "Invalid box size %d for box '%c%c%c%c'. Need %d bytes, %d bytes remaining \n", |
| 2357 | box.length, (OPJ_BYTE)(box.type >> 24), (OPJ_BYTE)(box.type >> 16), |
| 2358 | (OPJ_BYTE)(box.type >> 8), (OPJ_BYTE)(box.type >> 0), l_current_data_size, |
| 2359 | (OPJ_UINT32)opj_stream_get_number_byte_left(stream)); |
| 2360 | opj_free(l_current_data); |
| 2361 | return OPJ_FALSE; |
| 2362 | } |
| 2363 | if (l_current_data_size > l_last_data_size) { |
| 2364 | OPJ_BYTE* new_current_data = (OPJ_BYTE*)opj_realloc(l_current_data, |
| 2365 | l_current_data_size); |
| 2366 | if (!new_current_data) { |
| 2367 | opj_free(l_current_data); |
| 2368 | opj_event_msg(p_manager, EVT_ERROR, |
| 2369 | "Not enough memory to handle jpeg2000 box\n"); |
| 2370 | return OPJ_FALSE; |
| 2371 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2372 | l_current_data = new_current_data; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2373 | l_last_data_size = l_current_data_size; |
| 2374 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2375 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2376 | l_nb_bytes_read = (OPJ_UINT32)opj_stream_read_data(stream, l_current_data, |
| 2377 | l_current_data_size, p_manager); |
| 2378 | if (l_nb_bytes_read != l_current_data_size) { |
| 2379 | opj_event_msg(p_manager, EVT_ERROR, |
| 2380 | "Problem with reading JPEG2000 box, stream error\n"); |
| 2381 | opj_free(l_current_data); |
| 2382 | return OPJ_FALSE; |
| 2383 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2384 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2385 | if (! l_current_handler->handler(jp2, l_current_data, l_current_data_size, |
| 2386 | p_manager)) { |
| 2387 | opj_free(l_current_data); |
| 2388 | return OPJ_FALSE; |
| 2389 | } |
| 2390 | } else { |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2391 | if (!(jp2->jp2_state & JP2_STATE_SIGNATURE)) { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2392 | opj_event_msg(p_manager, EVT_ERROR, |
| 2393 | "Malformed JP2 file format: first box must be JPEG 2000 signature box\n"); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2394 | opj_free(l_current_data); |
| 2395 | return OPJ_FALSE; |
| 2396 | } |
| 2397 | if (!(jp2->jp2_state & JP2_STATE_FILE_TYPE)) { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2398 | opj_event_msg(p_manager, EVT_ERROR, |
| 2399 | "Malformed JP2 file format: second box must be file type box\n"); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2400 | opj_free(l_current_data); |
| 2401 | return OPJ_FALSE; |
| 2402 | } |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2403 | jp2->jp2_state |= JP2_STATE_UNKNOWN; |
| 2404 | if (opj_stream_skip(stream, l_current_data_size, |
| 2405 | p_manager) != l_current_data_size) { |
| 2406 | if (jp2->jp2_state & JP2_STATE_CODESTREAM) { |
| 2407 | /* If we already read the codestream, do not error out */ |
| 2408 | /* Needed for data/input/nonregression/issue254.jp2 */ |
| 2409 | opj_event_msg(p_manager, EVT_WARNING, |
| 2410 | "Problem with skipping JPEG2000 box, stream error\n"); |
| 2411 | opj_free(l_current_data); |
| 2412 | return OPJ_TRUE; |
| 2413 | } else { |
| 2414 | opj_event_msg(p_manager, EVT_ERROR, |
| 2415 | "Problem with skipping JPEG2000 box, stream error\n"); |
| 2416 | opj_free(l_current_data); |
| 2417 | return OPJ_FALSE; |
| 2418 | } |
| 2419 | } |
| 2420 | } |
| 2421 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2422 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2423 | opj_free(l_current_data); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2424 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2425 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2426 | } |
| 2427 | |
| 2428 | /** |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2429 | * Executes the given procedures on the given codec. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2430 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2431 | * @param p_procedure_list the list of procedures to execute |
| 2432 | * @param jp2 the jpeg2000 file codec to execute the procedures on. |
| 2433 | * @param stream the stream to execute the procedures on. |
| 2434 | * @param p_manager the user manager. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2435 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2436 | * @return true if all the procedures were successfully executed. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2437 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2438 | static OPJ_BOOL opj_jp2_exec(opj_jp2_t * jp2, |
| 2439 | opj_procedure_list_t * p_procedure_list, |
| 2440 | opj_stream_private_t *stream, |
| 2441 | opj_event_mgr_t * p_manager |
| 2442 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2443 | |
| 2444 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2445 | OPJ_BOOL(** l_procedure)(opj_jp2_t * jp2, opj_stream_private_t *, |
| 2446 | opj_event_mgr_t *) = 00; |
| 2447 | OPJ_BOOL l_result = OPJ_TRUE; |
| 2448 | OPJ_UINT32 l_nb_proc, i; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2449 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2450 | /* preconditions */ |
| 2451 | assert(p_procedure_list != 00); |
| 2452 | assert(jp2 != 00); |
| 2453 | assert(stream != 00); |
| 2454 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2455 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2456 | l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list); |
| 2457 | l_procedure = (OPJ_BOOL(**)(opj_jp2_t * jp2, opj_stream_private_t *, |
| 2458 | opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2459 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2460 | for (i = 0; i < l_nb_proc; ++i) { |
| 2461 | l_result = l_result && (*l_procedure)(jp2, stream, p_manager); |
| 2462 | ++l_procedure; |
| 2463 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2464 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2465 | /* and clear the procedure list at the end. */ |
| 2466 | opj_procedure_list_clear(p_procedure_list); |
| 2467 | return l_result; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2468 | } |
| 2469 | |
| 2470 | OPJ_BOOL opj_jp2_start_compress(opj_jp2_t *jp2, |
| 2471 | opj_stream_private_t *stream, |
| 2472 | opj_image_t * p_image, |
| 2473 | opj_event_mgr_t * p_manager |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2474 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2475 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2476 | /* preconditions */ |
| 2477 | assert(jp2 != 00); |
| 2478 | assert(stream != 00); |
| 2479 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2480 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2481 | /* customization of the validation */ |
| 2482 | if (! opj_jp2_setup_encoding_validation(jp2, p_manager)) { |
| 2483 | return OPJ_FALSE; |
| 2484 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2485 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2486 | /* validation of the parameters codec */ |
| 2487 | if (! opj_jp2_exec(jp2, jp2->m_validation_list, stream, p_manager)) { |
| 2488 | return OPJ_FALSE; |
| 2489 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2490 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2491 | /* customization of the encoding */ |
| 2492 | if (! opj_jp2_setup_header_writing(jp2, p_manager)) { |
| 2493 | return OPJ_FALSE; |
| 2494 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2495 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2496 | /* write header */ |
| 2497 | if (! opj_jp2_exec(jp2, jp2->m_procedure_list, stream, p_manager)) { |
| 2498 | return OPJ_FALSE; |
| 2499 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2500 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2501 | return opj_j2k_start_compress(jp2->j2k, stream, p_image, p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2502 | } |
| 2503 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2504 | static const opj_jp2_header_handler_t * opj_jp2_find_handler(OPJ_UINT32 p_id) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2505 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2506 | OPJ_UINT32 i, l_handler_size = sizeof(jp2_header) / sizeof( |
| 2507 | opj_jp2_header_handler_t); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2508 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2509 | for (i = 0; i < l_handler_size; ++i) { |
| 2510 | if (jp2_header[i].id == p_id) { |
| 2511 | return &jp2_header[i]; |
| 2512 | } |
| 2513 | } |
| 2514 | return NULL; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2515 | } |
| 2516 | |
| 2517 | /** |
| 2518 | * Finds the image execution function related to the given box id. |
| 2519 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2520 | * @param p_id the id of the handler to fetch. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2521 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2522 | * @return the given handler or 00 if it could not be found. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2523 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2524 | static const opj_jp2_header_handler_t * opj_jp2_img_find_handler( |
| 2525 | OPJ_UINT32 p_id) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2526 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2527 | OPJ_UINT32 i, l_handler_size = sizeof(jp2_img_header) / sizeof( |
| 2528 | opj_jp2_header_handler_t); |
| 2529 | for (i = 0; i < l_handler_size; ++i) { |
| 2530 | if (jp2_img_header[i].id == p_id) { |
| 2531 | return &jp2_img_header[i]; |
| 2532 | } |
| 2533 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2534 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2535 | return NULL; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2536 | } |
| 2537 | |
| 2538 | /** |
| 2539 | * Reads a jpeg2000 file signature box. |
| 2540 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2541 | * @param p_header_data the data contained in the signature box. |
| 2542 | * @param jp2 the jpeg2000 file codec. |
| 2543 | * @param p_header_size the size of the data contained in the signature box. |
| 2544 | * @param p_manager the user event manager. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2545 | * |
| 2546 | * @return true if the file signature box is valid. |
| 2547 | */ |
| 2548 | static OPJ_BOOL opj_jp2_read_jp(opj_jp2_t *jp2, |
| 2549 | OPJ_BYTE * p_header_data, |
| 2550 | OPJ_UINT32 p_header_size, |
| 2551 | opj_event_mgr_t * p_manager |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2552 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2553 | |
| 2554 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2555 | OPJ_UINT32 l_magic_number; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2556 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2557 | /* preconditions */ |
| 2558 | assert(p_header_data != 00); |
| 2559 | assert(jp2 != 00); |
| 2560 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2561 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2562 | if (jp2->jp2_state != JP2_STATE_NONE) { |
| 2563 | opj_event_msg(p_manager, EVT_ERROR, |
| 2564 | "The signature box must be the first box in the file.\n"); |
| 2565 | return OPJ_FALSE; |
| 2566 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2567 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2568 | /* assure length of data is correct (4 -> magic number) */ |
| 2569 | if (p_header_size != 4) { |
| 2570 | opj_event_msg(p_manager, EVT_ERROR, "Error with JP signature Box size\n"); |
| 2571 | return OPJ_FALSE; |
| 2572 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2573 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2574 | /* rearrange data */ |
| 2575 | opj_read_bytes(p_header_data, &l_magic_number, 4); |
| 2576 | if (l_magic_number != 0x0d0a870a) { |
| 2577 | opj_event_msg(p_manager, EVT_ERROR, |
| 2578 | "Error with JP Signature : bad magic number\n"); |
| 2579 | return OPJ_FALSE; |
| 2580 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2581 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2582 | jp2->jp2_state |= JP2_STATE_SIGNATURE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2583 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2584 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2585 | } |
| 2586 | |
| 2587 | /** |
| 2588 | * Reads a a FTYP box - File type box |
| 2589 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2590 | * @param p_header_data the data contained in the FTYP box. |
| 2591 | * @param jp2 the jpeg2000 file codec. |
| 2592 | * @param p_header_size the size of the data contained in the FTYP box. |
| 2593 | * @param p_manager the user event manager. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2594 | * |
| 2595 | * @return true if the FTYP box is valid. |
| 2596 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2597 | static OPJ_BOOL opj_jp2_read_ftyp(opj_jp2_t *jp2, |
| 2598 | OPJ_BYTE * p_header_data, |
| 2599 | OPJ_UINT32 p_header_size, |
| 2600 | opj_event_mgr_t * p_manager |
| 2601 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2602 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2603 | OPJ_UINT32 i, l_remaining_bytes; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2604 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2605 | /* preconditions */ |
| 2606 | assert(p_header_data != 00); |
| 2607 | assert(jp2 != 00); |
| 2608 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2609 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2610 | if (jp2->jp2_state != JP2_STATE_SIGNATURE) { |
| 2611 | opj_event_msg(p_manager, EVT_ERROR, |
| 2612 | "The ftyp box must be the second box in the file.\n"); |
| 2613 | return OPJ_FALSE; |
| 2614 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2615 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2616 | /* assure length of data is correct */ |
| 2617 | if (p_header_size < 8) { |
| 2618 | opj_event_msg(p_manager, EVT_ERROR, "Error with FTYP signature Box size\n"); |
| 2619 | return OPJ_FALSE; |
| 2620 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2621 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2622 | opj_read_bytes(p_header_data, &jp2->brand, 4); /* BR */ |
| 2623 | p_header_data += 4; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2624 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2625 | opj_read_bytes(p_header_data, &jp2->minversion, 4); /* MinV */ |
| 2626 | p_header_data += 4; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2627 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2628 | l_remaining_bytes = p_header_size - 8; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2629 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2630 | /* the number of remaining bytes should be a multiple of 4 */ |
| 2631 | if ((l_remaining_bytes & 0x3) != 0) { |
| 2632 | opj_event_msg(p_manager, EVT_ERROR, "Error with FTYP signature Box size\n"); |
| 2633 | return OPJ_FALSE; |
| 2634 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2635 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2636 | /* div by 4 */ |
| 2637 | jp2->numcl = l_remaining_bytes >> 2; |
| 2638 | if (jp2->numcl) { |
| 2639 | jp2->cl = (OPJ_UINT32 *) opj_calloc(jp2->numcl, sizeof(OPJ_UINT32)); |
| 2640 | if (jp2->cl == 00) { |
| 2641 | opj_event_msg(p_manager, EVT_ERROR, "Not enough memory with FTYP Box\n"); |
| 2642 | return OPJ_FALSE; |
| 2643 | } |
| 2644 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2645 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2646 | for (i = 0; i < jp2->numcl; ++i) { |
| 2647 | opj_read_bytes(p_header_data, &jp2->cl[i], 4); /* CLi */ |
| 2648 | p_header_data += 4; |
| 2649 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2650 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2651 | jp2->jp2_state |= JP2_STATE_FILE_TYPE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2652 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2653 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2654 | } |
| 2655 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2656 | static OPJ_BOOL opj_jp2_skip_jp2c(opj_jp2_t *jp2, |
| 2657 | opj_stream_private_t *stream, |
| 2658 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2659 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2660 | /* preconditions */ |
| 2661 | assert(jp2 != 00); |
| 2662 | assert(stream != 00); |
| 2663 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2664 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2665 | jp2->j2k_codestream_offset = opj_stream_tell(stream); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2666 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2667 | if (opj_stream_skip(stream, 8, p_manager) != 8) { |
| 2668 | return OPJ_FALSE; |
| 2669 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2670 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2671 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2672 | } |
| 2673 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2674 | static OPJ_BOOL opj_jpip_skip_iptr(opj_jp2_t *jp2, |
| 2675 | opj_stream_private_t *stream, |
| 2676 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2677 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2678 | /* preconditions */ |
| 2679 | assert(jp2 != 00); |
| 2680 | assert(stream != 00); |
| 2681 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2682 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2683 | jp2->jpip_iptr_offset = opj_stream_tell(stream); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2684 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2685 | if (opj_stream_skip(stream, 24, p_manager) != 24) { |
| 2686 | return OPJ_FALSE; |
| 2687 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2688 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2689 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2690 | } |
| 2691 | |
| 2692 | /** |
| 2693 | * Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box). |
| 2694 | * |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2695 | * @param p_header_data the data contained in the file header box. |
| 2696 | * @param jp2 the jpeg2000 file codec. |
| 2697 | * @param p_header_size the size of the data contained in the file header box. |
| 2698 | * @param p_manager the user event manager. |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2699 | * |
| 2700 | * @return true if the JP2 Header box was successfully recognized. |
| 2701 | */ |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2702 | static OPJ_BOOL opj_jp2_read_jp2h(opj_jp2_t *jp2, |
| 2703 | OPJ_BYTE *p_header_data, |
| 2704 | OPJ_UINT32 p_header_size, |
| 2705 | opj_event_mgr_t * p_manager |
| 2706 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2707 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2708 | OPJ_UINT32 l_box_size = 0, l_current_data_size = 0; |
| 2709 | opj_jp2_box_t box; |
| 2710 | const opj_jp2_header_handler_t * l_current_handler; |
| 2711 | OPJ_BOOL l_has_ihdr = 0; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2712 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2713 | /* preconditions */ |
| 2714 | assert(p_header_data != 00); |
| 2715 | assert(jp2 != 00); |
| 2716 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2717 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2718 | /* make sure the box is well placed */ |
| 2719 | if ((jp2->jp2_state & JP2_STATE_FILE_TYPE) != JP2_STATE_FILE_TYPE) { |
| 2720 | opj_event_msg(p_manager, EVT_ERROR, |
| 2721 | "The box must be the first box in the file.\n"); |
| 2722 | return OPJ_FALSE; |
| 2723 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2724 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2725 | jp2->jp2_img_state = JP2_IMG_STATE_NONE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2726 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2727 | /* iterate while remaining data */ |
| 2728 | while (p_header_size > 0) { |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2729 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2730 | if (! opj_jp2_read_boxhdr_char(&box, p_header_data, &l_box_size, p_header_size, |
| 2731 | p_manager)) { |
| 2732 | opj_event_msg(p_manager, EVT_ERROR, |
| 2733 | "Stream error while reading JP2 Header box\n"); |
| 2734 | return OPJ_FALSE; |
| 2735 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2736 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2737 | if (box.length > p_header_size) { |
| 2738 | opj_event_msg(p_manager, EVT_ERROR, |
| 2739 | "Stream error while reading JP2 Header box: box length is inconsistent.\n"); |
| 2740 | return OPJ_FALSE; |
| 2741 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2742 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2743 | l_current_handler = opj_jp2_img_find_handler(box.type); |
| 2744 | l_current_data_size = box.length - l_box_size; |
| 2745 | p_header_data += l_box_size; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2746 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2747 | if (l_current_handler != 00) { |
| 2748 | if (! l_current_handler->handler(jp2, p_header_data, l_current_data_size, |
| 2749 | p_manager)) { |
| 2750 | return OPJ_FALSE; |
| 2751 | } |
| 2752 | } else { |
| 2753 | jp2->jp2_img_state |= JP2_IMG_STATE_UNKNOWN; |
| 2754 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2755 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2756 | if (box.type == JP2_IHDR) { |
| 2757 | l_has_ihdr = 1; |
| 2758 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2759 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2760 | p_header_data += l_current_data_size; |
| 2761 | p_header_size -= box.length; |
| 2762 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2763 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2764 | if (l_has_ihdr == 0) { |
| 2765 | opj_event_msg(p_manager, EVT_ERROR, |
| 2766 | "Stream error while reading JP2 Header box: no 'ihdr' box.\n"); |
| 2767 | return OPJ_FALSE; |
| 2768 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2769 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2770 | jp2->jp2_state |= JP2_STATE_HEADER; |
| 2771 | jp2->has_jp2h = 1; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2772 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2773 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2774 | } |
| 2775 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2776 | static OPJ_BOOL opj_jp2_read_boxhdr_char(opj_jp2_box_t *box, |
| 2777 | OPJ_BYTE * p_data, |
| 2778 | OPJ_UINT32 * p_number_bytes_read, |
| 2779 | OPJ_UINT32 p_box_max_size, |
| 2780 | opj_event_mgr_t * p_manager |
| 2781 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2782 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2783 | OPJ_UINT32 l_value; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2784 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2785 | /* preconditions */ |
| 2786 | assert(p_data != 00); |
| 2787 | assert(box != 00); |
| 2788 | assert(p_number_bytes_read != 00); |
| 2789 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2790 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2791 | if (p_box_max_size < 8) { |
| 2792 | opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of less than 8 bytes\n"); |
| 2793 | return OPJ_FALSE; |
| 2794 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2795 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2796 | /* process read data */ |
| 2797 | opj_read_bytes(p_data, &l_value, 4); |
| 2798 | p_data += 4; |
| 2799 | box->length = (OPJ_UINT32)(l_value); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2800 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2801 | opj_read_bytes(p_data, &l_value, 4); |
| 2802 | p_data += 4; |
| 2803 | box->type = (OPJ_UINT32)(l_value); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2804 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2805 | *p_number_bytes_read = 8; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2806 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2807 | /* do we have a "special very large box ?" */ |
| 2808 | /* read then the XLBox */ |
| 2809 | if (box->length == 1) { |
| 2810 | OPJ_UINT32 l_xl_part_size; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2811 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2812 | if (p_box_max_size < 16) { |
| 2813 | opj_event_msg(p_manager, EVT_ERROR, |
| 2814 | "Cannot handle XL box of less than 16 bytes\n"); |
| 2815 | return OPJ_FALSE; |
| 2816 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2817 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2818 | opj_read_bytes(p_data, &l_xl_part_size, 4); |
| 2819 | p_data += 4; |
| 2820 | *p_number_bytes_read += 4; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2821 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2822 | if (l_xl_part_size != 0) { |
| 2823 | opj_event_msg(p_manager, EVT_ERROR, |
| 2824 | "Cannot handle box sizes higher than 2^32\n"); |
| 2825 | return OPJ_FALSE; |
| 2826 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2827 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2828 | opj_read_bytes(p_data, &l_value, 4); |
| 2829 | *p_number_bytes_read += 4; |
| 2830 | box->length = (OPJ_UINT32)(l_value); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2831 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2832 | if (box->length == 0) { |
| 2833 | opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n"); |
| 2834 | return OPJ_FALSE; |
| 2835 | } |
| 2836 | } else if (box->length == 0) { |
| 2837 | opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n"); |
| 2838 | return OPJ_FALSE; |
| 2839 | } |
| 2840 | if (box->length < *p_number_bytes_read) { |
| 2841 | opj_event_msg(p_manager, EVT_ERROR, "Box length is inconsistent.\n"); |
| 2842 | return OPJ_FALSE; |
| 2843 | } |
| 2844 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2845 | } |
| 2846 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2847 | OPJ_BOOL opj_jp2_read_header(opj_stream_private_t *p_stream, |
| 2848 | opj_jp2_t *jp2, |
| 2849 | opj_image_t ** p_image, |
| 2850 | opj_event_mgr_t * p_manager |
| 2851 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2852 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2853 | /* preconditions */ |
| 2854 | assert(jp2 != 00); |
| 2855 | assert(p_stream != 00); |
| 2856 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2857 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2858 | /* customization of the validation */ |
| 2859 | if (! opj_jp2_setup_decoding_validation(jp2, p_manager)) { |
| 2860 | return OPJ_FALSE; |
| 2861 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2862 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2863 | /* customization of the encoding */ |
| 2864 | if (! opj_jp2_setup_header_reading(jp2, p_manager)) { |
| 2865 | return OPJ_FALSE; |
| 2866 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2867 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2868 | /* validation of the parameters codec */ |
| 2869 | if (! opj_jp2_exec(jp2, jp2->m_validation_list, p_stream, p_manager)) { |
| 2870 | return OPJ_FALSE; |
| 2871 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2872 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2873 | /* read header */ |
| 2874 | if (! opj_jp2_exec(jp2, jp2->m_procedure_list, p_stream, p_manager)) { |
| 2875 | return OPJ_FALSE; |
| 2876 | } |
| 2877 | if (jp2->has_jp2h == 0) { |
| 2878 | opj_event_msg(p_manager, EVT_ERROR, "JP2H box missing. Required.\n"); |
| 2879 | return OPJ_FALSE; |
| 2880 | } |
| 2881 | if (jp2->has_ihdr == 0) { |
| 2882 | opj_event_msg(p_manager, EVT_ERROR, "IHDR box_missing. Required.\n"); |
| 2883 | return OPJ_FALSE; |
| 2884 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2885 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2886 | return opj_j2k_read_header(p_stream, |
| 2887 | jp2->j2k, |
| 2888 | p_image, |
| 2889 | p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2890 | } |
| 2891 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2892 | static OPJ_BOOL opj_jp2_setup_encoding_validation(opj_jp2_t *jp2, |
| 2893 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2894 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2895 | /* preconditions */ |
| 2896 | assert(jp2 != 00); |
| 2897 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2898 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2899 | if (! opj_procedure_list_add_procedure(jp2->m_validation_list, |
| 2900 | (opj_procedure)opj_jp2_default_validation, p_manager)) { |
| 2901 | return OPJ_FALSE; |
| 2902 | } |
| 2903 | /* DEVELOPER CORNER, add your custom validation procedure */ |
| 2904 | |
| 2905 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2906 | } |
| 2907 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2908 | static OPJ_BOOL opj_jp2_setup_decoding_validation(opj_jp2_t *jp2, |
| 2909 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2910 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2911 | /* preconditions */ |
| 2912 | assert(jp2 != 00); |
| 2913 | assert(p_manager != 00); |
| 2914 | |
| 2915 | OPJ_UNUSED(jp2); |
| 2916 | OPJ_UNUSED(p_manager); |
| 2917 | |
| 2918 | /* DEVELOPER CORNER, add your custom validation procedure */ |
| 2919 | |
| 2920 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2921 | } |
| 2922 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2923 | static OPJ_BOOL opj_jp2_setup_header_writing(opj_jp2_t *jp2, |
| 2924 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2925 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2926 | /* preconditions */ |
| 2927 | assert(jp2 != 00); |
| 2928 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2929 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2930 | if (! opj_procedure_list_add_procedure(jp2->m_procedure_list, |
| 2931 | (opj_procedure)opj_jp2_write_jp, p_manager)) { |
| 2932 | return OPJ_FALSE; |
| 2933 | } |
| 2934 | if (! opj_procedure_list_add_procedure(jp2->m_procedure_list, |
| 2935 | (opj_procedure)opj_jp2_write_ftyp, p_manager)) { |
| 2936 | return OPJ_FALSE; |
| 2937 | } |
| 2938 | if (! opj_procedure_list_add_procedure(jp2->m_procedure_list, |
| 2939 | (opj_procedure)opj_jp2_write_jp2h, p_manager)) { |
| 2940 | return OPJ_FALSE; |
| 2941 | } |
| 2942 | if (jp2->jpip_on) { |
| 2943 | if (! opj_procedure_list_add_procedure(jp2->m_procedure_list, |
| 2944 | (opj_procedure)opj_jpip_skip_iptr, p_manager)) { |
| 2945 | return OPJ_FALSE; |
| 2946 | } |
| 2947 | } |
| 2948 | if (! opj_procedure_list_add_procedure(jp2->m_procedure_list, |
| 2949 | (opj_procedure)opj_jp2_skip_jp2c, p_manager)) { |
| 2950 | return OPJ_FALSE; |
| 2951 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2952 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2953 | /* DEVELOPER CORNER, insert your custom procedures */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2954 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2955 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2956 | } |
| 2957 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2958 | static OPJ_BOOL opj_jp2_setup_header_reading(opj_jp2_t *jp2, |
| 2959 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2960 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2961 | /* preconditions */ |
| 2962 | assert(jp2 != 00); |
| 2963 | assert(p_manager != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2964 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2965 | if (! opj_procedure_list_add_procedure(jp2->m_procedure_list, |
| 2966 | (opj_procedure)opj_jp2_read_header_procedure, p_manager)) { |
| 2967 | return OPJ_FALSE; |
| 2968 | } |
| 2969 | |
| 2970 | /* DEVELOPER CORNER, add your custom procedures */ |
| 2971 | |
| 2972 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2973 | } |
| 2974 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2975 | OPJ_BOOL opj_jp2_read_tile_header(opj_jp2_t * p_jp2, |
| 2976 | OPJ_UINT32 * p_tile_index, |
| 2977 | OPJ_UINT32 * p_data_size, |
| 2978 | OPJ_INT32 * p_tile_x0, |
| 2979 | OPJ_INT32 * p_tile_y0, |
| 2980 | OPJ_INT32 * p_tile_x1, |
| 2981 | OPJ_INT32 * p_tile_y1, |
| 2982 | OPJ_UINT32 * p_nb_comps, |
| 2983 | OPJ_BOOL * p_go_on, |
| 2984 | opj_stream_private_t *p_stream, |
| 2985 | opj_event_mgr_t * p_manager |
| 2986 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2987 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2988 | return opj_j2k_read_tile_header(p_jp2->j2k, |
| 2989 | p_tile_index, |
| 2990 | p_data_size, |
| 2991 | p_tile_x0, p_tile_y0, |
| 2992 | p_tile_x1, p_tile_y1, |
| 2993 | p_nb_comps, |
| 2994 | p_go_on, |
| 2995 | p_stream, |
| 2996 | p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 2997 | } |
| 2998 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2999 | OPJ_BOOL opj_jp2_write_tile(opj_jp2_t *p_jp2, |
| 3000 | OPJ_UINT32 p_tile_index, |
| 3001 | OPJ_BYTE * p_data, |
| 3002 | OPJ_UINT32 p_data_size, |
| 3003 | opj_stream_private_t *p_stream, |
| 3004 | opj_event_mgr_t * p_manager |
| 3005 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3006 | |
| 3007 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3008 | return opj_j2k_write_tile(p_jp2->j2k, p_tile_index, p_data, p_data_size, |
| 3009 | p_stream, p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3010 | } |
| 3011 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3012 | OPJ_BOOL opj_jp2_decode_tile(opj_jp2_t * p_jp2, |
| 3013 | OPJ_UINT32 p_tile_index, |
| 3014 | OPJ_BYTE * p_data, |
| 3015 | OPJ_UINT32 p_data_size, |
| 3016 | opj_stream_private_t *p_stream, |
| 3017 | opj_event_mgr_t * p_manager |
| 3018 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3019 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3020 | return opj_j2k_decode_tile(p_jp2->j2k, p_tile_index, p_data, p_data_size, |
| 3021 | p_stream, p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3022 | } |
| 3023 | |
| 3024 | void opj_jp2_destroy(opj_jp2_t *jp2) |
| 3025 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3026 | if (jp2) { |
| 3027 | /* destroy the J2K codec */ |
| 3028 | opj_j2k_destroy(jp2->j2k); |
| 3029 | jp2->j2k = 00; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3030 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3031 | if (jp2->comps) { |
| 3032 | opj_free(jp2->comps); |
| 3033 | jp2->comps = 00; |
| 3034 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3035 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3036 | if (jp2->cl) { |
| 3037 | opj_free(jp2->cl); |
| 3038 | jp2->cl = 00; |
| 3039 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3040 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3041 | if (jp2->color.icc_profile_buf) { |
| 3042 | opj_free(jp2->color.icc_profile_buf); |
| 3043 | jp2->color.icc_profile_buf = 00; |
| 3044 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3045 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3046 | if (jp2->color.jp2_cdef) { |
| 3047 | if (jp2->color.jp2_cdef->info) { |
| 3048 | opj_free(jp2->color.jp2_cdef->info); |
| 3049 | jp2->color.jp2_cdef->info = NULL; |
| 3050 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3051 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3052 | opj_free(jp2->color.jp2_cdef); |
| 3053 | jp2->color.jp2_cdef = 00; |
| 3054 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3055 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3056 | if (jp2->color.jp2_pclr) { |
| 3057 | if (jp2->color.jp2_pclr->cmap) { |
| 3058 | opj_free(jp2->color.jp2_pclr->cmap); |
| 3059 | jp2->color.jp2_pclr->cmap = NULL; |
| 3060 | } |
| 3061 | if (jp2->color.jp2_pclr->channel_sign) { |
| 3062 | opj_free(jp2->color.jp2_pclr->channel_sign); |
| 3063 | jp2->color.jp2_pclr->channel_sign = NULL; |
| 3064 | } |
| 3065 | if (jp2->color.jp2_pclr->channel_size) { |
| 3066 | opj_free(jp2->color.jp2_pclr->channel_size); |
| 3067 | jp2->color.jp2_pclr->channel_size = NULL; |
| 3068 | } |
| 3069 | if (jp2->color.jp2_pclr->entries) { |
| 3070 | opj_free(jp2->color.jp2_pclr->entries); |
| 3071 | jp2->color.jp2_pclr->entries = NULL; |
| 3072 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3073 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3074 | opj_free(jp2->color.jp2_pclr); |
| 3075 | jp2->color.jp2_pclr = 00; |
| 3076 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3077 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3078 | if (jp2->m_validation_list) { |
| 3079 | opj_procedure_list_destroy(jp2->m_validation_list); |
| 3080 | jp2->m_validation_list = 00; |
| 3081 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3082 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3083 | if (jp2->m_procedure_list) { |
| 3084 | opj_procedure_list_destroy(jp2->m_procedure_list); |
| 3085 | jp2->m_procedure_list = 00; |
| 3086 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3087 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3088 | opj_free(jp2); |
| 3089 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3090 | } |
| 3091 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3092 | OPJ_BOOL opj_jp2_set_decoded_components(opj_jp2_t *p_jp2, |
| 3093 | OPJ_UINT32 numcomps, |
| 3094 | const OPJ_UINT32* comps_indices, |
| 3095 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3096 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3097 | return opj_j2k_set_decoded_components(p_jp2->j2k, |
| 3098 | numcomps, comps_indices, |
| 3099 | p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3100 | } |
| 3101 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3102 | OPJ_BOOL opj_jp2_set_decode_area(opj_jp2_t *p_jp2, |
| 3103 | opj_image_t* p_image, |
| 3104 | OPJ_INT32 p_start_x, OPJ_INT32 p_start_y, |
| 3105 | OPJ_INT32 p_end_x, OPJ_INT32 p_end_y, |
| 3106 | opj_event_mgr_t * p_manager |
| 3107 | ) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3108 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3109 | return opj_j2k_set_decode_area(p_jp2->j2k, p_image, p_start_x, p_start_y, |
| 3110 | p_end_x, p_end_y, p_manager); |
| 3111 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3112 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3113 | OPJ_BOOL opj_jp2_get_tile(opj_jp2_t *p_jp2, |
| 3114 | opj_stream_private_t *p_stream, |
| 3115 | opj_image_t* p_image, |
| 3116 | opj_event_mgr_t * p_manager, |
| 3117 | OPJ_UINT32 tile_index |
| 3118 | ) |
| 3119 | { |
| 3120 | if (!p_image) { |
| 3121 | return OPJ_FALSE; |
| 3122 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3123 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3124 | opj_event_msg(p_manager, EVT_WARNING, |
| 3125 | "JP2 box which are after the codestream will not be read by this function.\n"); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3126 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3127 | if (! opj_j2k_get_tile(p_jp2->j2k, p_stream, p_image, p_manager, tile_index)) { |
| 3128 | opj_event_msg(p_manager, EVT_ERROR, |
| 3129 | "Failed to decode the codestream in the JP2 file\n"); |
| 3130 | return OPJ_FALSE; |
| 3131 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3132 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3133 | if (p_jp2->j2k->m_specific_param.m_decoder.m_numcomps_to_decode) { |
| 3134 | /* Bypass all JP2 component transforms */ |
| 3135 | return OPJ_TRUE; |
| 3136 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3137 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3138 | if (!opj_jp2_check_color(p_image, &(p_jp2->color), p_manager)) { |
| 3139 | return OPJ_FALSE; |
| 3140 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3141 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3142 | /* Set Image Color Space */ |
| 3143 | if (p_jp2->enumcs == 16) { |
| 3144 | p_image->color_space = OPJ_CLRSPC_SRGB; |
| 3145 | } else if (p_jp2->enumcs == 17) { |
| 3146 | p_image->color_space = OPJ_CLRSPC_GRAY; |
| 3147 | } else if (p_jp2->enumcs == 18) { |
| 3148 | p_image->color_space = OPJ_CLRSPC_SYCC; |
| 3149 | } else if (p_jp2->enumcs == 24) { |
| 3150 | p_image->color_space = OPJ_CLRSPC_EYCC; |
| 3151 | } else if (p_jp2->enumcs == 12) { |
| 3152 | p_image->color_space = OPJ_CLRSPC_CMYK; |
| 3153 | } else { |
| 3154 | p_image->color_space = OPJ_CLRSPC_UNKNOWN; |
| 3155 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3156 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3157 | if (p_jp2->color.jp2_pclr) { |
| 3158 | /* Part 1, I.5.3.4: Either both or none : */ |
| 3159 | if (!p_jp2->color.jp2_pclr->cmap) { |
| 3160 | opj_jp2_free_pclr(&(p_jp2->color)); |
| 3161 | } else { |
| 3162 | if (!opj_jp2_apply_pclr(p_image, &(p_jp2->color), p_manager)) { |
| 3163 | return OPJ_FALSE; |
| 3164 | } |
| 3165 | } |
| 3166 | } |
| 3167 | |
| 3168 | /* Apply the color space if needed */ |
| 3169 | if (p_jp2->color.jp2_cdef) { |
| 3170 | opj_jp2_apply_cdef(p_image, &(p_jp2->color), p_manager); |
| 3171 | } |
| 3172 | |
| 3173 | if (p_jp2->color.icc_profile_buf) { |
| 3174 | p_image->icc_profile_buf = p_jp2->color.icc_profile_buf; |
| 3175 | p_image->icc_profile_len = p_jp2->color.icc_profile_len; |
| 3176 | p_jp2->color.icc_profile_buf = NULL; |
| 3177 | } |
| 3178 | |
| 3179 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3180 | } |
| 3181 | |
| 3182 | /* ----------------------------------------------------------------------- */ |
| 3183 | /* JP2 encoder interface */ |
| 3184 | /* ----------------------------------------------------------------------- */ |
| 3185 | |
| 3186 | opj_jp2_t* opj_jp2_create(OPJ_BOOL p_is_decoder) |
| 3187 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3188 | opj_jp2_t *jp2 = (opj_jp2_t*)opj_calloc(1, sizeof(opj_jp2_t)); |
| 3189 | if (jp2) { |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3190 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3191 | /* create the J2K codec */ |
| 3192 | if (! p_is_decoder) { |
| 3193 | jp2->j2k = opj_j2k_create_compress(); |
| 3194 | } else { |
| 3195 | jp2->j2k = opj_j2k_create_decompress(); |
| 3196 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3197 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3198 | if (jp2->j2k == 00) { |
| 3199 | opj_jp2_destroy(jp2); |
| 3200 | return 00; |
| 3201 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3202 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3203 | /* Color structure */ |
| 3204 | jp2->color.icc_profile_buf = NULL; |
| 3205 | jp2->color.icc_profile_len = 0; |
| 3206 | jp2->color.jp2_cdef = NULL; |
| 3207 | jp2->color.jp2_pclr = NULL; |
| 3208 | jp2->color.jp2_has_colr = 0; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3209 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3210 | /* validation list creation */ |
| 3211 | jp2->m_validation_list = opj_procedure_list_create(); |
| 3212 | if (! jp2->m_validation_list) { |
| 3213 | opj_jp2_destroy(jp2); |
| 3214 | return 00; |
| 3215 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3216 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3217 | /* execution list creation */ |
| 3218 | jp2->m_procedure_list = opj_procedure_list_create(); |
| 3219 | if (! jp2->m_procedure_list) { |
| 3220 | opj_jp2_destroy(jp2); |
| 3221 | return 00; |
| 3222 | } |
| 3223 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3224 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3225 | return jp2; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3226 | } |
| 3227 | |
| 3228 | void jp2_dump(opj_jp2_t* p_jp2, OPJ_INT32 flag, FILE* out_stream) |
| 3229 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3230 | /* preconditions */ |
| 3231 | assert(p_jp2 != 00); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3232 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3233 | j2k_dump(p_jp2->j2k, |
| 3234 | flag, |
| 3235 | out_stream); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3236 | } |
| 3237 | |
| 3238 | opj_codestream_index_t* jp2_get_cstr_index(opj_jp2_t* p_jp2) |
| 3239 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3240 | return j2k_get_cstr_index(p_jp2->j2k); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3241 | } |
| 3242 | |
| 3243 | opj_codestream_info_v2_t* jp2_get_cstr_info(opj_jp2_t* p_jp2) |
| 3244 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3245 | return j2k_get_cstr_info(p_jp2->j2k); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3246 | } |
| 3247 | |
| 3248 | OPJ_BOOL opj_jp2_set_decoded_resolution_factor(opj_jp2_t *p_jp2, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3249 | OPJ_UINT32 res_factor, |
| 3250 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3251 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3252 | return opj_j2k_set_decoded_resolution_factor(p_jp2->j2k, res_factor, p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3253 | } |
| 3254 | |
| 3255 | /* JPIP specific */ |
| 3256 | |
| 3257 | #ifdef USE_JPIP |
| 3258 | static OPJ_BOOL opj_jpip_write_iptr(opj_jp2_t *jp2, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3259 | opj_stream_private_t *cio, |
| 3260 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3261 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3262 | OPJ_OFF_T j2k_codestream_exit; |
| 3263 | OPJ_BYTE l_data_header [24]; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3264 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3265 | /* preconditions */ |
| 3266 | assert(jp2 != 00); |
| 3267 | assert(cio != 00); |
| 3268 | assert(p_manager != 00); |
| 3269 | assert(opj_stream_has_seek(cio)); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3270 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3271 | j2k_codestream_exit = opj_stream_tell(cio); |
| 3272 | opj_write_bytes(l_data_header, 24, 4); /* size of iptr */ |
| 3273 | opj_write_bytes(l_data_header + 4, JPIP_IPTR, |
| 3274 | 4); /* IPTR */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3275 | #if 0 |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3276 | opj_write_bytes(l_data_header + 4 + 4, 0, 8); /* offset */ |
| 3277 | opj_write_bytes(l_data_header + 8 + 8, 0, 8); /* length */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3278 | #else |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3279 | opj_write_double(l_data_header + 4 + 4, 0); /* offset */ |
| 3280 | opj_write_double(l_data_header + 8 + 8, 0); /* length */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3281 | #endif |
| 3282 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3283 | if (! opj_stream_seek(cio, jp2->jpip_iptr_offset, p_manager)) { |
| 3284 | opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); |
| 3285 | return OPJ_FALSE; |
| 3286 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3287 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3288 | if (opj_stream_write_data(cio, l_data_header, 24, p_manager) != 24) { |
| 3289 | opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); |
| 3290 | return OPJ_FALSE; |
| 3291 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3292 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3293 | if (! opj_stream_seek(cio, j2k_codestream_exit, p_manager)) { |
| 3294 | opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); |
| 3295 | return OPJ_FALSE; |
| 3296 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3297 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3298 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3299 | } |
| 3300 | |
| 3301 | static OPJ_BOOL opj_jpip_write_fidx(opj_jp2_t *jp2, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3302 | opj_stream_private_t *cio, |
| 3303 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3304 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3305 | OPJ_OFF_T j2k_codestream_exit; |
| 3306 | OPJ_BYTE l_data_header [24]; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3307 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3308 | OPJ_UNUSED(jp2); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3309 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3310 | /* preconditions */ |
| 3311 | assert(jp2 != 00); |
| 3312 | assert(cio != 00); |
| 3313 | assert(p_manager != 00); |
| 3314 | assert(opj_stream_has_seek(cio)); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3315 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3316 | opj_write_bytes(l_data_header, 24, 4); /* size of iptr */ |
| 3317 | opj_write_bytes(l_data_header + 4, JPIP_FIDX, |
| 3318 | 4); /* IPTR */ |
| 3319 | opj_write_double(l_data_header + 4 + 4, 0); /* offset */ |
| 3320 | opj_write_double(l_data_header + 8 + 8, 0); /* length */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3321 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3322 | if (opj_stream_write_data(cio, l_data_header, 24, p_manager) != 24) { |
| 3323 | opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); |
| 3324 | return OPJ_FALSE; |
| 3325 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3326 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3327 | j2k_codestream_exit = opj_stream_tell(cio); |
| 3328 | if (! opj_stream_seek(cio, j2k_codestream_exit, p_manager)) { |
| 3329 | opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); |
| 3330 | return OPJ_FALSE; |
| 3331 | } |
| 3332 | |
| 3333 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3334 | } |
| 3335 | |
| 3336 | static OPJ_BOOL opj_jpip_write_cidx(opj_jp2_t *jp2, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3337 | opj_stream_private_t *cio, |
| 3338 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3339 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3340 | OPJ_OFF_T j2k_codestream_exit; |
| 3341 | OPJ_BYTE l_data_header [24]; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3342 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3343 | OPJ_UNUSED(jp2); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3344 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3345 | /* preconditions */ |
| 3346 | assert(jp2 != 00); |
| 3347 | assert(cio != 00); |
| 3348 | assert(p_manager != 00); |
| 3349 | assert(opj_stream_has_seek(cio)); |
| 3350 | |
| 3351 | j2k_codestream_exit = opj_stream_tell(cio); |
| 3352 | opj_write_bytes(l_data_header, 24, 4); /* size of iptr */ |
| 3353 | opj_write_bytes(l_data_header + 4, JPIP_CIDX, |
| 3354 | 4); /* IPTR */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3355 | #if 0 |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3356 | opj_write_bytes(l_data_header + 4 + 4, 0, 8); /* offset */ |
| 3357 | opj_write_bytes(l_data_header + 8 + 8, 0, 8); /* length */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3358 | #else |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3359 | opj_write_double(l_data_header + 4 + 4, 0); /* offset */ |
| 3360 | opj_write_double(l_data_header + 8 + 8, 0); /* length */ |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3361 | #endif |
| 3362 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3363 | if (! opj_stream_seek(cio, j2k_codestream_exit, p_manager)) { |
| 3364 | opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); |
| 3365 | return OPJ_FALSE; |
| 3366 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3367 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3368 | if (opj_stream_write_data(cio, l_data_header, 24, p_manager) != 24) { |
| 3369 | opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); |
| 3370 | return OPJ_FALSE; |
| 3371 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3372 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3373 | j2k_codestream_exit = opj_stream_tell(cio); |
| 3374 | if (! opj_stream_seek(cio, j2k_codestream_exit, p_manager)) { |
| 3375 | opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); |
| 3376 | return OPJ_FALSE; |
| 3377 | } |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3378 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3379 | return OPJ_TRUE; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3380 | } |
| 3381 | |
| 3382 | #if 0 |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3383 | static void write_prxy(int offset_jp2c, int length_jp2c, int offset_idx, |
| 3384 | int length_idx, opj_stream_private_t *cio, |
| 3385 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3386 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3387 | OPJ_BYTE l_data_header [8]; |
| 3388 | OPJ_OFF_T len, lenp; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3389 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3390 | lenp = opj_stream_tell(cio); |
| 3391 | opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ |
| 3392 | opj_write_bytes(l_data_header, JPIP_PRXY, 4); /* IPTR */ |
| 3393 | opj_stream_write_data(cio, l_data_header, 4, p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3394 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3395 | opj_write_bytes(l_data_header, offset_jp2c, 8); /* OOFF */ |
| 3396 | opj_stream_write_data(cio, l_data_header, 8, p_manager); |
| 3397 | opj_write_bytes(l_data_header, length_jp2c, 4); /* OBH part 1 */ |
| 3398 | opj_write_bytes(l_data_header + 4, JP2_JP2C, 4); /* OBH part 2 */ |
| 3399 | opj_stream_write_data(cio, l_data_header, 8, p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3400 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3401 | opj_write_bytes(l_data_header, 1, 1); /* NI */ |
| 3402 | opj_stream_write_data(cio, l_data_header, 1, p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3403 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3404 | opj_write_bytes(l_data_header, offset_idx, 8); /* IOFF */ |
| 3405 | opj_stream_write_data(cio, l_data_header, 8, p_manager); |
| 3406 | opj_write_bytes(l_data_header, length_idx, 4); /* IBH part 1 */ |
| 3407 | opj_write_bytes(l_data_header + 4, JPIP_CIDX, 4); /* IBH part 2 */ |
| 3408 | opj_stream_write_data(cio, l_data_header, 8, p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3409 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3410 | len = opj_stream_tell(cio) - lenp; |
| 3411 | opj_stream_skip(cio, lenp, p_manager); |
| 3412 | opj_write_bytes(l_data_header, len, 4); /* L */ |
| 3413 | opj_stream_write_data(cio, l_data_header, 4, p_manager); |
| 3414 | opj_stream_seek(cio, lenp + len, p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3415 | } |
| 3416 | #endif |
| 3417 | |
| 3418 | |
| 3419 | #if 0 |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3420 | static int write_fidx(int offset_jp2c, int length_jp2c, int offset_idx, |
| 3421 | int length_idx, opj_stream_private_t *cio, |
| 3422 | opj_event_mgr_t * p_manager) |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3423 | { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3424 | OPJ_BYTE l_data_header [4]; |
| 3425 | OPJ_OFF_T len, lenp; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3426 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3427 | lenp = opj_stream_tell(cio); |
| 3428 | opj_stream_skip(cio, 4, p_manager); |
| 3429 | opj_write_bytes(l_data_header, JPIP_FIDX, 4); /* FIDX */ |
| 3430 | opj_stream_write_data(cio, l_data_header, 4, p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3431 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3432 | write_prxy(offset_jp2c, length_jp2c, offset_idx, length_idx, cio, p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3433 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3434 | len = opj_stream_tell(cio) - lenp; |
| 3435 | opj_stream_skip(cio, lenp, p_manager); |
| 3436 | opj_write_bytes(l_data_header, len, 4); /* L */ |
| 3437 | opj_stream_write_data(cio, l_data_header, 4, p_manager); |
| 3438 | opj_stream_seek(cio, lenp + len, p_manager); |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3439 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 3440 | return len; |
Philip P. Moltmann | ac3d58c | 2016-03-04 15:19:21 -0800 | [diff] [blame] | 3441 | } |
| 3442 | #endif |
| 3443 | #endif /* USE_JPIP */ |