| 1 | /* | 
|---|
| 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 | 
|---|
| 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) 2002-2003, Yannick Verschueren | 
|---|
| 10 | * Copyright (c) 2005, Herve Drolon, FreeImage Team | 
|---|
| 11 | * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR | 
|---|
| 12 | * Copyright (c) 2012, CS Systemes d'Information, France | 
|---|
| 13 | * All rights reserved. | 
|---|
| 14 | * | 
|---|
| 15 | * Redistribution and use in source and binary forms, with or without | 
|---|
| 16 | * modification, are permitted provided that the following conditions | 
|---|
| 17 | * are met: | 
|---|
| 18 | * 1. Redistributions of source code must retain the above copyright | 
|---|
| 19 | *    notice, this list of conditions and the following disclaimer. | 
|---|
| 20 | * 2. Redistributions in binary form must reproduce the above copyright | 
|---|
| 21 | *    notice, this list of conditions and the following disclaimer in the | 
|---|
| 22 | *    documentation and/or other materials provided with the distribution. | 
|---|
| 23 | * | 
|---|
| 24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' | 
|---|
| 25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
|---|
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 
|---|
| 27 | * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | 
|---|
| 28 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | 
|---|
| 29 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | 
|---|
| 30 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | 
|---|
| 31 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | 
|---|
| 32 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | 
|---|
| 33 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | 
|---|
| 34 | * POSSIBILITY OF SUCH DAMAGE. | 
|---|
| 35 | */ | 
|---|
| 36 | #ifndef OPJ_JP2_H | 
|---|
| 37 | #define OPJ_JP2_H | 
|---|
| 38 | /** | 
|---|
| 39 | @file jp2.h | 
|---|
| 40 | @brief The JPEG-2000 file format Reader/Writer (JP2) | 
|---|
| 41 |  | 
|---|
| 42 | */ | 
|---|
| 43 |  | 
|---|
| 44 | /** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */ | 
|---|
| 45 | /*@{*/ | 
|---|
| 46 |  | 
|---|
| 47 | /*#define JPIP_JPIP 0x6a706970*/ | 
|---|
| 48 |  | 
|---|
| 49 | #define     JP2_JP   0x6a502020    /**< JPEG 2000 signature box */ | 
|---|
| 50 | #define     JP2_FTYP 0x66747970    /**< File type box */ | 
|---|
| 51 | #define     JP2_JP2H 0x6a703268    /**< JP2 header box (super-box) */ | 
|---|
| 52 | #define     JP2_IHDR 0x69686472    /**< Image header box */ | 
|---|
| 53 | #define     JP2_COLR 0x636f6c72    /**< Colour specification box */ | 
|---|
| 54 | #define     JP2_JP2C 0x6a703263    /**< Contiguous codestream box */ | 
|---|
| 55 | #define     JP2_URL  0x75726c20    /**< Data entry URL box */ | 
|---|
| 56 | #define     JP2_PCLR 0x70636c72    /**< Palette box */ | 
|---|
| 57 | #define     JP2_CMAP 0x636d6170    /**< Component Mapping box */ | 
|---|
| 58 | #define     JP2_CDEF 0x63646566    /**< Channel Definition box */ | 
|---|
| 59 | #define     JP2_DTBL 0x6474626c    /**< Data Reference box */ | 
|---|
| 60 | #define     JP2_BPCC 0x62706363    /**< Bits per component box */ | 
|---|
| 61 | #define     JP2_JP2  0x6a703220    /**< File type fields */ | 
|---|
| 62 |  | 
|---|
| 63 | /* For the future */ | 
|---|
| 64 | /* #define JP2_RES 0x72657320 */  /**< Resolution box (super-box) */ | 
|---|
| 65 | /* #define JP2_JP2I 0x6a703269 */  /**< Intellectual property box */ | 
|---|
| 66 | /* #define JP2_XML  0x786d6c20 */  /**< XML box */ | 
|---|
| 67 | /* #define JP2_UUID 0x75756994 */  /**< UUID box */ | 
|---|
| 68 | /* #define JP2_UINF 0x75696e66 */  /**< UUID info box (super-box) */ | 
|---|
| 69 | /* #define JP2_ULST 0x756c7374 */  /**< UUID list box */ | 
|---|
| 70 |  | 
|---|
| 71 | /* ----------------------------------------------------------------------- */ | 
|---|
| 72 |  | 
|---|
| 73 | typedef enum { | 
|---|
| 74 | JP2_STATE_NONE            = 0x0, | 
|---|
| 75 | JP2_STATE_SIGNATURE       = 0x1, | 
|---|
| 76 | JP2_STATE_FILE_TYPE       = 0x2, | 
|---|
| 77 | = 0x4, | 
|---|
| 78 | JP2_STATE_CODESTREAM      = 0x8, | 
|---|
| 79 | JP2_STATE_END_CODESTREAM  = 0x10, | 
|---|
| 80 | JP2_STATE_UNKNOWN         = 0x7fffffff /* ISO C restricts enumerator values to range of 'int' */ | 
|---|
| 81 | } | 
|---|
| 82 | JP2_STATE; | 
|---|
| 83 |  | 
|---|
| 84 | typedef enum { | 
|---|
| 85 | JP2_IMG_STATE_NONE        = 0x0, | 
|---|
| 86 | JP2_IMG_STATE_UNKNOWN     = 0x7fffffff | 
|---|
| 87 | } | 
|---|
| 88 | JP2_IMG_STATE; | 
|---|
| 89 |  | 
|---|
| 90 | /** | 
|---|
| 91 | Channel description: channel index, type, association | 
|---|
| 92 | */ | 
|---|
| 93 | typedef struct opj_jp2_cdef_info { | 
|---|
| 94 | OPJ_UINT16 cn, typ, asoc; | 
|---|
| 95 | } opj_jp2_cdef_info_t; | 
|---|
| 96 |  | 
|---|
| 97 | /** | 
|---|
| 98 | Channel descriptions and number of descriptions | 
|---|
| 99 | */ | 
|---|
| 100 | typedef struct opj_jp2_cdef { | 
|---|
| 101 | opj_jp2_cdef_info_t *info; | 
|---|
| 102 | OPJ_UINT16 n; | 
|---|
| 103 | } opj_jp2_cdef_t; | 
|---|
| 104 |  | 
|---|
| 105 | /** | 
|---|
| 106 | Component mappings: channel index, mapping type, palette index | 
|---|
| 107 | */ | 
|---|
| 108 | typedef struct opj_jp2_cmap_comp { | 
|---|
| 109 | OPJ_UINT16 cmp; | 
|---|
| 110 | OPJ_BYTE mtyp, pcol; | 
|---|
| 111 | } opj_jp2_cmap_comp_t; | 
|---|
| 112 |  | 
|---|
| 113 | /** | 
|---|
| 114 | Palette data: table entries, palette columns | 
|---|
| 115 | */ | 
|---|
| 116 | typedef struct opj_jp2_pclr { | 
|---|
| 117 | OPJ_UINT32 *entries; | 
|---|
| 118 | OPJ_BYTE *channel_sign; | 
|---|
| 119 | OPJ_BYTE *channel_size; | 
|---|
| 120 | opj_jp2_cmap_comp_t *cmap; | 
|---|
| 121 | OPJ_UINT16 nr_entries; | 
|---|
| 122 | OPJ_BYTE nr_channels; | 
|---|
| 123 | } opj_jp2_pclr_t; | 
|---|
| 124 |  | 
|---|
| 125 | /** | 
|---|
| 126 | Collector for ICC profile, palette, component mapping, channel description | 
|---|
| 127 | */ | 
|---|
| 128 | typedef struct opj_jp2_color { | 
|---|
| 129 | OPJ_BYTE *icc_profile_buf; | 
|---|
| 130 | OPJ_UINT32 icc_profile_len; | 
|---|
| 131 |  | 
|---|
| 132 | opj_jp2_cdef_t *jp2_cdef; | 
|---|
| 133 | opj_jp2_pclr_t *jp2_pclr; | 
|---|
| 134 | OPJ_BYTE jp2_has_colr; | 
|---|
| 135 | } opj_jp2_color_t; | 
|---|
| 136 |  | 
|---|
| 137 | /** | 
|---|
| 138 | JP2 component | 
|---|
| 139 | */ | 
|---|
| 140 | typedef struct opj_jp2_comps { | 
|---|
| 141 | OPJ_UINT32 depth; | 
|---|
| 142 | OPJ_UINT32 sgnd; | 
|---|
| 143 | OPJ_UINT32 bpcc; | 
|---|
| 144 | } opj_jp2_comps_t; | 
|---|
| 145 |  | 
|---|
| 146 | /** | 
|---|
| 147 | JPEG-2000 file format reader/writer | 
|---|
| 148 | */ | 
|---|
| 149 | typedef struct opj_jp2 { | 
|---|
| 150 | /** handle to the J2K codec  */ | 
|---|
| 151 | opj_j2k_t *j2k; | 
|---|
| 152 | /** list of validation procedures */ | 
|---|
| 153 | struct opj_procedure_list * m_validation_list; | 
|---|
| 154 | /** list of execution procedures */ | 
|---|
| 155 | struct opj_procedure_list * m_procedure_list; | 
|---|
| 156 |  | 
|---|
| 157 | /* width of image */ | 
|---|
| 158 | OPJ_UINT32 w; | 
|---|
| 159 | /* height of image */ | 
|---|
| 160 | OPJ_UINT32 h; | 
|---|
| 161 | /* number of components in the image */ | 
|---|
| 162 | OPJ_UINT32 numcomps; | 
|---|
| 163 | OPJ_UINT32 bpc; | 
|---|
| 164 | OPJ_UINT32 C; | 
|---|
| 165 | OPJ_UINT32 UnkC; | 
|---|
| 166 | OPJ_UINT32 IPR; | 
|---|
| 167 | OPJ_UINT32 meth; | 
|---|
| 168 | OPJ_UINT32 approx; | 
|---|
| 169 | OPJ_UINT32 enumcs; | 
|---|
| 170 | OPJ_UINT32 precedence; | 
|---|
| 171 | OPJ_UINT32 brand; | 
|---|
| 172 | OPJ_UINT32 minversion; | 
|---|
| 173 | OPJ_UINT32 numcl; | 
|---|
| 174 | OPJ_UINT32 *cl; | 
|---|
| 175 | opj_jp2_comps_t *comps; | 
|---|
| 176 | /* FIXME: The following two variables are used to save offset | 
|---|
| 177 | as we write out a JP2 file to disk. This mechanism is not flexible | 
|---|
| 178 | as codec writers will need to extand those fields as new part | 
|---|
| 179 | of the standard are implemented. | 
|---|
| 180 | */ | 
|---|
| 181 | OPJ_OFF_T j2k_codestream_offset; | 
|---|
| 182 | OPJ_OFF_T jpip_iptr_offset; | 
|---|
| 183 | OPJ_BOOL jpip_on; | 
|---|
| 184 | OPJ_UINT32 jp2_state; | 
|---|
| 185 | OPJ_UINT32 jp2_img_state; | 
|---|
| 186 |  | 
|---|
| 187 | opj_jp2_color_t color; | 
|---|
| 188 |  | 
|---|
| 189 | OPJ_BOOL ignore_pclr_cmap_cdef; | 
|---|
| 190 | OPJ_BYTE has_jp2h; | 
|---|
| 191 | OPJ_BYTE has_ihdr; | 
|---|
| 192 | } | 
|---|
| 193 | opj_jp2_t; | 
|---|
| 194 |  | 
|---|
| 195 | /** | 
|---|
| 196 | JP2 Box | 
|---|
| 197 | */ | 
|---|
| 198 | typedef struct opj_jp2_box { | 
|---|
| 199 | OPJ_UINT32 length; | 
|---|
| 200 | OPJ_UINT32 type; | 
|---|
| 201 | OPJ_INT32 init_pos; | 
|---|
| 202 | } opj_jp2_box_t; | 
|---|
| 203 |  | 
|---|
| 204 | typedef struct opj_jp2_header_handler { | 
|---|
| 205 | /* marker value */ | 
|---|
| 206 | OPJ_UINT32 id; | 
|---|
| 207 | /* action linked to the marker */ | 
|---|
| 208 | OPJ_BOOL(*handler)(opj_jp2_t *jp2, | 
|---|
| 209 | OPJ_BYTE *, | 
|---|
| 210 | OPJ_UINT32 , | 
|---|
| 211 | opj_event_mgr_t * p_manager); | 
|---|
| 212 | } | 
|---|
| 213 | opj_jp2_header_handler_t; | 
|---|
| 214 |  | 
|---|
| 215 |  | 
|---|
| 216 | typedef struct opj_jp2_img_header_writer_handler { | 
|---|
| 217 | /* action to perform */ | 
|---|
| 218 | OPJ_BYTE*   (*handler)(opj_jp2_t *jp2, OPJ_UINT32 * p_data_size); | 
|---|
| 219 | /* result of the action : data */ | 
|---|
| 220 | OPJ_BYTE*   m_data; | 
|---|
| 221 | /* size of data */ | 
|---|
| 222 | OPJ_UINT32  m_size; | 
|---|
| 223 | } | 
|---|
| 224 | opj_jp2_img_header_writer_handler_t; | 
|---|
| 225 |  | 
|---|
| 226 | /** @name Exported functions */ | 
|---|
| 227 | /*@{*/ | 
|---|
| 228 | /* ----------------------------------------------------------------------- */ | 
|---|
| 229 |  | 
|---|
| 230 | /** | 
|---|
| 231 | Setup the decoder decoding parameters using user parameters. | 
|---|
| 232 | Decoding parameters are returned in jp2->j2k->cp. | 
|---|
| 233 | @param jp2 JP2 decompressor handle | 
|---|
| 234 | @param parameters decompression parameters | 
|---|
| 235 | */ | 
|---|
| 236 | void opj_jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters); | 
|---|
| 237 |  | 
|---|
| 238 | /** Allocates worker threads for the compressor/decompressor. | 
|---|
| 239 | * | 
|---|
| 240 | * @param jp2 JP2 decompressor handle | 
|---|
| 241 | * @param num_threads Number of threads. | 
|---|
| 242 | * @return OPJ_TRUE in case of success. | 
|---|
| 243 | */ | 
|---|
| 244 | OPJ_BOOL opj_jp2_set_threads(opj_jp2_t *jp2, OPJ_UINT32 num_threads); | 
|---|
| 245 |  | 
|---|
| 246 | /** | 
|---|
| 247 | * Decode an image from a JPEG-2000 file stream | 
|---|
| 248 | * @param jp2 JP2 decompressor handle | 
|---|
| 249 | * @param p_stream  FIXME DOC | 
|---|
| 250 | * @param p_image   FIXME DOC | 
|---|
| 251 | * @param p_manager FIXME DOC | 
|---|
| 252 | * | 
|---|
| 253 | * @return Returns a decoded image if successful, returns NULL otherwise | 
|---|
| 254 | */ | 
|---|
| 255 | OPJ_BOOL opj_jp2_decode(opj_jp2_t *jp2, | 
|---|
| 256 | opj_stream_private_t *p_stream, | 
|---|
| 257 | opj_image_t* p_image, | 
|---|
| 258 | opj_event_mgr_t * p_manager); | 
|---|
| 259 |  | 
|---|
| 260 | /** | 
|---|
| 261 | * Setup the encoder parameters using the current image and using user parameters. | 
|---|
| 262 | * Coding parameters are returned in jp2->j2k->cp. | 
|---|
| 263 | * | 
|---|
| 264 | * @param jp2 JP2 compressor handle | 
|---|
| 265 | * @param parameters compression parameters | 
|---|
| 266 | * @param image input filled image | 
|---|
| 267 | * @param p_manager  FIXME DOC | 
|---|
| 268 | * @return OPJ_TRUE if successful, OPJ_FALSE otherwise | 
|---|
| 269 | */ | 
|---|
| 270 | OPJ_BOOL opj_jp2_setup_encoder(opj_jp2_t *jp2, | 
|---|
| 271 | opj_cparameters_t *parameters, | 
|---|
| 272 | opj_image_t *image, | 
|---|
| 273 | opj_event_mgr_t * p_manager); | 
|---|
| 274 |  | 
|---|
| 275 | /** | 
|---|
| 276 | Encode an image into a JPEG-2000 file stream | 
|---|
| 277 | @param jp2      JP2 compressor handle | 
|---|
| 278 | @param stream    Output buffer stream | 
|---|
| 279 | @param p_manager  event manager | 
|---|
| 280 | @return Returns true if successful, returns false otherwise | 
|---|
| 281 | */ | 
|---|
| 282 | OPJ_BOOL opj_jp2_encode(opj_jp2_t *jp2, | 
|---|
| 283 | opj_stream_private_t *stream, | 
|---|
| 284 | opj_event_mgr_t * p_manager); | 
|---|
| 285 |  | 
|---|
| 286 |  | 
|---|
| 287 | /** | 
|---|
| 288 | * Starts a compression scheme, i.e. validates the codec parameters, writes the header. | 
|---|
| 289 | * | 
|---|
| 290 | * @param  jp2    the jpeg2000 file codec. | 
|---|
| 291 | * @param  stream    the stream object. | 
|---|
| 292 | * @param  p_image   FIXME DOC | 
|---|
| 293 | * @param p_manager FIXME DOC | 
|---|
| 294 | * | 
|---|
| 295 | * @return true if the codec is valid. | 
|---|
| 296 | */ | 
|---|
| 297 | OPJ_BOOL opj_jp2_start_compress(opj_jp2_t *jp2, | 
|---|
| 298 | opj_stream_private_t *stream, | 
|---|
| 299 | opj_image_t * p_image, | 
|---|
| 300 | opj_event_mgr_t * p_manager); | 
|---|
| 301 |  | 
|---|
| 302 |  | 
|---|
| 303 | /** | 
|---|
| 304 | * Ends the compression procedures and possibiliy add data to be read after the | 
|---|
| 305 | * codestream. | 
|---|
| 306 | */ | 
|---|
| 307 | OPJ_BOOL opj_jp2_end_compress(opj_jp2_t *jp2, | 
|---|
| 308 | opj_stream_private_t *cio, | 
|---|
| 309 | opj_event_mgr_t * p_manager); | 
|---|
| 310 |  | 
|---|
| 311 | /* ----------------------------------------------------------------------- */ | 
|---|
| 312 |  | 
|---|
| 313 | /** | 
|---|
| 314 | * Ends the decompression procedures and possibiliy add data to be read after the | 
|---|
| 315 | * codestream. | 
|---|
| 316 | */ | 
|---|
| 317 | OPJ_BOOL opj_jp2_end_decompress(opj_jp2_t *jp2, | 
|---|
| 318 | opj_stream_private_t *cio, | 
|---|
| 319 | opj_event_mgr_t * p_manager); | 
|---|
| 320 |  | 
|---|
| 321 | /** | 
|---|
| 322 | * Reads a jpeg2000 file header structure. | 
|---|
| 323 | * | 
|---|
| 324 | * @param p_stream the stream to read data from. | 
|---|
| 325 | * @param jp2 the jpeg2000 file header structure. | 
|---|
| 326 | * @param p_image   FIXME DOC | 
|---|
| 327 | * @param p_manager the user event manager. | 
|---|
| 328 | * | 
|---|
| 329 | * @return true if the box is valid. | 
|---|
| 330 | */ | 
|---|
| 331 | OPJ_BOOL (opj_stream_private_t *p_stream, | 
|---|
| 332 | opj_jp2_t *jp2, | 
|---|
| 333 | opj_image_t ** p_image, | 
|---|
| 334 | opj_event_mgr_t * p_manager); | 
|---|
| 335 |  | 
|---|
| 336 | /** Sets the indices of the components to decode. | 
|---|
| 337 | * | 
|---|
| 338 | * @param jp2 JP2 decompressor handle | 
|---|
| 339 | * @param numcomps Number of components to decode. | 
|---|
| 340 | * @param comps_indices Array of num_compts indices (numbering starting at 0) | 
|---|
| 341 | *                     corresponding to the components to decode. | 
|---|
| 342 | * @param p_manager Event manager; | 
|---|
| 343 | * | 
|---|
| 344 | * @return OPJ_TRUE in case of success. | 
|---|
| 345 | */ | 
|---|
| 346 | OPJ_BOOL opj_jp2_set_decoded_components(opj_jp2_t *jp2, | 
|---|
| 347 | OPJ_UINT32 numcomps, | 
|---|
| 348 | const OPJ_UINT32* comps_indices, | 
|---|
| 349 | opj_event_mgr_t * p_manager); | 
|---|
| 350 |  | 
|---|
| 351 | /** | 
|---|
| 352 | * Reads a tile header. | 
|---|
| 353 | * @param  p_jp2         the jpeg2000 codec. | 
|---|
| 354 | * @param  p_tile_index  FIXME DOC | 
|---|
| 355 | * @param  p_data_size   FIXME DOC | 
|---|
| 356 | * @param  p_tile_x0     FIXME DOC | 
|---|
| 357 | * @param  p_tile_y0     FIXME DOC | 
|---|
| 358 | * @param  p_tile_x1     FIXME DOC | 
|---|
| 359 | * @param  p_tile_y1     FIXME DOC | 
|---|
| 360 | * @param  p_nb_comps    FIXME DOC | 
|---|
| 361 | * @param  p_go_on       FIXME DOC | 
|---|
| 362 | * @param  p_stream      the stream to write data to. | 
|---|
| 363 | * @param  p_manager     the user event manager. | 
|---|
| 364 | */ | 
|---|
| 365 | OPJ_BOOL (opj_jp2_t * p_jp2, | 
|---|
| 366 | OPJ_UINT32 * p_tile_index, | 
|---|
| 367 | OPJ_UINT32 * p_data_size, | 
|---|
| 368 | OPJ_INT32 * p_tile_x0, | 
|---|
| 369 | OPJ_INT32 * p_tile_y0, | 
|---|
| 370 | OPJ_INT32 * p_tile_x1, | 
|---|
| 371 | OPJ_INT32 * p_tile_y1, | 
|---|
| 372 | OPJ_UINT32 * p_nb_comps, | 
|---|
| 373 | OPJ_BOOL * p_go_on, | 
|---|
| 374 | opj_stream_private_t *p_stream, | 
|---|
| 375 | opj_event_mgr_t * p_manager); | 
|---|
| 376 |  | 
|---|
| 377 | /** | 
|---|
| 378 | * Writes a tile. | 
|---|
| 379 | * | 
|---|
| 380 | * @param  p_jp2    the jpeg2000 codec. | 
|---|
| 381 | * @param p_tile_index  FIXME DOC | 
|---|
| 382 | * @param p_data        FIXME DOC | 
|---|
| 383 | * @param p_data_size   FIXME DOC | 
|---|
| 384 | * @param  p_stream      the stream to write data to. | 
|---|
| 385 | * @param  p_manager  the user event manager. | 
|---|
| 386 | */ | 
|---|
| 387 | OPJ_BOOL opj_jp2_write_tile(opj_jp2_t *p_jp2, | 
|---|
| 388 | OPJ_UINT32 p_tile_index, | 
|---|
| 389 | OPJ_BYTE * p_data, | 
|---|
| 390 | OPJ_UINT32 p_data_size, | 
|---|
| 391 | opj_stream_private_t *p_stream, | 
|---|
| 392 | opj_event_mgr_t * p_manager); | 
|---|
| 393 |  | 
|---|
| 394 | /** | 
|---|
| 395 | * Decode tile data. | 
|---|
| 396 | * @param  p_jp2    the jpeg2000 codec. | 
|---|
| 397 | * @param  p_tile_index FIXME DOC | 
|---|
| 398 | * @param  p_data       FIXME DOC | 
|---|
| 399 | * @param  p_data_size  FIXME DOC | 
|---|
| 400 | * @param  p_stream      the stream to write data to. | 
|---|
| 401 | * @param  p_manager  the user event manager. | 
|---|
| 402 | * | 
|---|
| 403 | * @return FIXME DOC | 
|---|
| 404 | */ | 
|---|
| 405 | OPJ_BOOL opj_jp2_decode_tile(opj_jp2_t * p_jp2, | 
|---|
| 406 | OPJ_UINT32 p_tile_index, | 
|---|
| 407 | OPJ_BYTE * p_data, | 
|---|
| 408 | OPJ_UINT32 p_data_size, | 
|---|
| 409 | opj_stream_private_t *p_stream, | 
|---|
| 410 | opj_event_mgr_t * p_manager); | 
|---|
| 411 |  | 
|---|
| 412 | /** | 
|---|
| 413 | * Creates a jpeg2000 file decompressor. | 
|---|
| 414 | * | 
|---|
| 415 | * @return  an empty jpeg2000 file codec. | 
|---|
| 416 | */ | 
|---|
| 417 | opj_jp2_t* opj_jp2_create(OPJ_BOOL p_is_decoder); | 
|---|
| 418 |  | 
|---|
| 419 | /** | 
|---|
| 420 | Destroy a JP2 decompressor handle | 
|---|
| 421 | @param jp2 JP2 decompressor handle to destroy | 
|---|
| 422 | */ | 
|---|
| 423 | void opj_jp2_destroy(opj_jp2_t *jp2); | 
|---|
| 424 |  | 
|---|
| 425 |  | 
|---|
| 426 | /** | 
|---|
| 427 | * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading. | 
|---|
| 428 | * | 
|---|
| 429 | * @param  p_jp2      the jpeg2000 codec. | 
|---|
| 430 | * @param  p_image     FIXME DOC | 
|---|
| 431 | * @param  p_start_x   the left position of the rectangle to decode (in image coordinates). | 
|---|
| 432 | * @param  p_start_y    the up position of the rectangle to decode (in image coordinates). | 
|---|
| 433 | * @param  p_end_x      the right position of the rectangle to decode (in image coordinates). | 
|---|
| 434 | * @param  p_end_y      the bottom position of the rectangle to decode (in image coordinates). | 
|---|
| 435 | * @param  p_manager    the user event manager | 
|---|
| 436 | * | 
|---|
| 437 | * @return  true      if the area could be set. | 
|---|
| 438 | */ | 
|---|
| 439 | OPJ_BOOL opj_jp2_set_decode_area(opj_jp2_t *p_jp2, | 
|---|
| 440 | opj_image_t* p_image, | 
|---|
| 441 | OPJ_INT32 p_start_x, OPJ_INT32 p_start_y, | 
|---|
| 442 | OPJ_INT32 p_end_x, OPJ_INT32 p_end_y, | 
|---|
| 443 | opj_event_mgr_t * p_manager); | 
|---|
| 444 |  | 
|---|
| 445 | /** | 
|---|
| 446 | * | 
|---|
| 447 | */ | 
|---|
| 448 | OPJ_BOOL opj_jp2_get_tile(opj_jp2_t *p_jp2, | 
|---|
| 449 | opj_stream_private_t *p_stream, | 
|---|
| 450 | opj_image_t* p_image, | 
|---|
| 451 | opj_event_mgr_t * p_manager, | 
|---|
| 452 | OPJ_UINT32 tile_index); | 
|---|
| 453 |  | 
|---|
| 454 |  | 
|---|
| 455 | /** | 
|---|
| 456 | * | 
|---|
| 457 | */ | 
|---|
| 458 | OPJ_BOOL opj_jp2_set_decoded_resolution_factor(opj_jp2_t *p_jp2, | 
|---|
| 459 | OPJ_UINT32 res_factor, | 
|---|
| 460 | opj_event_mgr_t * p_manager); | 
|---|
| 461 |  | 
|---|
| 462 |  | 
|---|
| 463 | /* TODO MSD: clean these 3 functions */ | 
|---|
| 464 | /** | 
|---|
| 465 | * Dump some elements from the JP2 decompression structure . | 
|---|
| 466 | * | 
|---|
| 467 | *@param p_jp2        the jp2 codec. | 
|---|
| 468 | *@param flag        flag to describe what elements are dump. | 
|---|
| 469 | *@param out_stream      output stream where dump the elements. | 
|---|
| 470 | * | 
|---|
| 471 | */ | 
|---|
| 472 | void jp2_dump(opj_jp2_t* p_jp2, OPJ_INT32 flag, FILE* out_stream); | 
|---|
| 473 |  | 
|---|
| 474 | /** | 
|---|
| 475 | * Get the codestream info from a JPEG2000 codec. | 
|---|
| 476 | * | 
|---|
| 477 | *@param  p_jp2        jp2 codec. | 
|---|
| 478 | * | 
|---|
| 479 | *@return  the codestream information extract from the jpg2000 codec | 
|---|
| 480 | */ | 
|---|
| 481 | opj_codestream_info_v2_t* jp2_get_cstr_info(opj_jp2_t* p_jp2); | 
|---|
| 482 |  | 
|---|
| 483 | /** | 
|---|
| 484 | * Get the codestream index from a JPEG2000 codec. | 
|---|
| 485 | * | 
|---|
| 486 | *@param  p_jp2        jp2 codec. | 
|---|
| 487 | * | 
|---|
| 488 | *@return  the codestream index extract from the jpg2000 codec | 
|---|
| 489 | */ | 
|---|
| 490 | opj_codestream_index_t* jp2_get_cstr_index(opj_jp2_t* p_jp2); | 
|---|
| 491 |  | 
|---|
| 492 |  | 
|---|
| 493 | /*@}*/ | 
|---|
| 494 |  | 
|---|
| 495 | /*@}*/ | 
|---|
| 496 |  | 
|---|
| 497 | #endif /* OPJ_JP2_H */ | 
|---|
| 498 |  | 
|---|
| 499 |  | 
|---|