2 * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
3 * Copyright (c) 2002-2007, Professor Benoit Macq
4 * Copyright (c) 2002-2003, Yannick Verschueren
5 * Copyright (c) 2005, Herve Drolon, FreeImage Team
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
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15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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33 @brief The JPEG-2000 file format Reader/Writer (JP2)
37 /** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */
40 #define JPIP_JPIP 0x6a706970
42 #define JP2_JP 0x6a502020 /**< JPEG 2000 signature box */
43 #define JP2_FTYP 0x66747970 /**< File type box */
45 #define JP2_JP2H 0x6a703268 /**< JP2 header box (super-box) */
46 #define JP2_IHDR 0x69686472 /**< Image header box */
47 #define JP2_BPCC 0x62706363 /**< Bits per component box */
48 #define JP2_COLR 0x636f6c72 /**< Colour specification box */
49 #define JP2_PCLR 0x70636c72 /**< Palette box */
50 #define JP2_CMAP 0x636d6170 /**< Component Mapping box */
51 #define JP2_CDEF 0x63646566 /**< Channel Definition box */
53 // #define JP2_RES 0x72657320 /**< Resolution box (super-box) */
55 #define JP2_JP2C 0x6a703263 /**< Contiguous codestream box */
58 // #define JP2_JP2I 0x6a703269 /**< Intellectual property box */
59 // #define JP2_XML 0x786d6c20 /**< XML box */
60 // #define JP2_UUID 0x75756994 /**< UUID box */
61 // #define JP2_UINF 0x75696e66 /**< UUID info box (super-box) */
62 // #define JP2_ULST 0x756c7374 /**< UUID list box */
63 #define JP2_URL 0x75726c20 /**< Data entry URL box */
65 #define JP2_DTBL 0x6474626c /**< Data Reference box */
67 #define JP2_JP2 0x6a703220 /**< File type fields */
70 /* ----------------------------------------------------------------------- */
75 JP2_STATE_SIGNATURE = 0x1,
76 JP2_STATE_FILE_TYPE = 0x2,
77 JP2_STATE_HEADER = 0x4,
78 JP2_STATE_CODESTREAM = 0x8,
79 JP2_STATE_END_CODESTREAM = 0x10,
80 JP2_STATE_UNKNOWN = 0x80000000
86 JP2_IMG_STATE_NONE = 0x0,
87 JP2_IMG_STATE_UNKNOWN = 0x80000000
92 Channel description: channel index, type, assocation
94 typedef struct opj_jp2_cdef_info
96 unsigned short cn, typ, asoc;
97 } opj_jp2_cdef_info_t;
100 Channel descriptions and number of descriptions
102 typedef struct opj_jp2_cdef
104 opj_jp2_cdef_info_t *info;
109 Component mappings: channel index, mapping type, palette index
111 typedef struct opj_jp2_cmap_comp
114 unsigned char mtyp, pcol;
115 } opj_jp2_cmap_comp_t;
118 Palette data: table entries, palette columns
120 typedef struct opj_jp2_pclr
122 unsigned int *entries;
123 unsigned char *channel_sign;
124 unsigned char *channel_size;
125 opj_jp2_cmap_comp_t *cmap;
126 unsigned short nr_entries, nr_channels;
130 Collector for ICC profile, palette, component mapping, channel description
132 typedef struct opj_jp2_color
134 unsigned char *icc_profile_buf;
137 opj_jp2_cdef_t *jp2_cdef;
138 opj_jp2_pclr_t *jp2_pclr;
139 unsigned char jp2_has_colr;
145 typedef struct opj_jp2_comps {
152 JPEG-2000 file format reader/writer
154 typedef struct opj_jp2 {
156 opj_common_ptr cinfo;
157 /** handle to the J2K codec */
161 unsigned int numcomps;
169 unsigned int precedence;
171 unsigned int minversion;
174 opj_jp2_comps_t *comps;
175 unsigned int j2k_codestream_offset;
176 unsigned int j2k_codestream_length;
178 opj_bool ignore_pclr_cmap_cdef;
182 JPEG-2000 file format reader/writer
184 typedef struct opj_jp2_v2
186 /** handle to the J2K codec */
187 struct opj_j2k_v2 *j2k;
188 /** list of validation procedures */
189 struct opj_procedure_list * m_validation_list;
190 /** list of execution procedures */
191 struct opj_procedure_list * m_procedure_list;
195 /* height of image */
197 /* number of components in the image */
206 OPJ_UINT32 precedence;
208 OPJ_UINT32 minversion;
211 opj_jp2_comps_t *comps;
212 OPJ_UINT32 j2k_codestream_offset;
213 OPJ_UINT32 jp2_state;
214 OPJ_UINT32 jp2_img_state;
216 opj_jp2_color_t color;
224 typedef struct opj_jp2_box {
230 typedef struct opj_jp2_header_handler
234 /* action linked to the marker */
235 opj_bool (*handler) (opj_jp2_v2_t *jp2, unsigned char * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager);
237 opj_jp2_header_handler_t;
239 /** @name Exported functions */
241 /* ----------------------------------------------------------------------- */
243 Write the JP2H box - JP2 Header box (used in MJ2)
244 @param jp2 JP2 handle
245 @param cio Output buffer stream
247 void jp2_write_jp2h(opj_jp2_t *jp2, opj_cio_t *cio);
249 Read the JP2H box - JP2 Header box (used in MJ2)
250 @param jp2 JP2 handle
251 @param cio Input buffer stream
252 @param ext Collector for profile, cdef and pclr data
253 @return Returns true if successful, returns false otherwise
255 opj_bool jp2_read_jp2h(opj_jp2_t *jp2, opj_cio_t *cio, opj_jp2_color_t *color);
257 Creates a JP2 decompression structure
258 @param cinfo Codec context info
259 @return Returns a handle to a JP2 decompressor if successful, returns NULL otherwise
261 opj_jp2_t* jp2_create_decompress(opj_common_ptr cinfo);
263 Destroy a JP2 decompressor handle
264 @param jp2 JP2 decompressor handle to destroy
266 void jp2_destroy_decompress(opj_jp2_t *jp2);
268 Setup the decoder decoding parameters using user parameters.
269 Decoding parameters are returned in jp2->j2k->cp.
270 @param jp2 JP2 decompressor handle
271 @param parameters decompression parameters
273 void jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters);
275 Setup the decoder decoding parameters using user parameters.
276 Decoding parameters are returned in jp2->j2k->cp.
277 @param jp2 JP2 decompressor handle
278 @param parameters decompression parameters
280 void jp2_setup_decoder_v2(opj_jp2_v2_t *jp2, opj_dparameters_t *parameters);
282 Decode an image from a JPEG-2000 file stream
283 @param jp2 JP2 decompressor handle
284 @param cio Input buffer stream
285 @param cstr_info Codestream information structure if required, NULL otherwise
286 @return Returns a decoded image if successful, returns NULL otherwise
288 opj_image_t* opj_jp2_decode(opj_jp2_t *jp2, opj_cio_t *cio, opj_codestream_info_t *cstr_info);
291 * Decode an image from a JPEG-2000 file stream
292 * @param jp2 JP2 decompressor handle
293 * @param cio Input buffer stream
294 * @param cstr_info Codestream information structure if required, NULL otherwise
295 * @return Returns a decoded image if successful, returns NULL otherwise
297 opj_bool jp2_decode_v2( opj_jp2_v2_t *jp2,
298 struct opj_stream_private *cio,
299 opj_image_t* p_image,
300 struct opj_event_mgr * p_manager);
304 Creates a JP2 compression structure
305 @param cinfo Codec context info
306 @return Returns a handle to a JP2 compressor if successful, returns NULL otherwise
308 opj_jp2_t* jp2_create_compress(opj_common_ptr cinfo);
310 Destroy a JP2 compressor handle
311 @param jp2 JP2 compressor handle to destroy
313 void jp2_destroy_compress(opj_jp2_t *jp2);
315 Setup the encoder parameters using the current image and using user parameters.
316 Coding parameters are returned in jp2->j2k->cp.
317 @param jp2 JP2 compressor handle
318 @param parameters compression parameters
319 @param image input filled image
321 void jp2_setup_encoder(opj_jp2_t *jp2, opj_cparameters_t *parameters, opj_image_t *image);
323 Encode an image into a JPEG-2000 file stream
324 @param jp2 JP2 compressor handle
325 @param cio Output buffer stream
326 @param image Image to encode
327 @param cstr_info Codestream information structure if required, NULL otherwise
328 @return Returns true if successful, returns false otherwise
330 opj_bool opj_jp2_encode(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info);
333 /* ----------------------------------------------------------------------- */
336 * Ends the decompression procedures and possibiliy add data to be read after the
339 opj_bool jp2_end_decompress(opj_jp2_v2_t *jp2, struct opj_stream_private *cio, struct opj_event_mgr * p_manager);
342 * Reads a jpeg2000 file header structure.
344 * @param cio the stream to read data from.
345 * @param jp2 the jpeg2000 file header structure.
346 * @param p_manager the user event manager.
348 * @return true if the box is valid.
350 opj_bool jp2_read_header( struct opj_stream_private *p_stream,
352 opj_image_t ** p_img_header,
353 struct opj_event_mgr * p_manager
357 * Reads a tile header.
358 * @param p_j2k the jpeg2000 codec.
359 * @param p_stream the stream to write data to.
360 * @param p_manager the user event manager.
362 opj_bool jp2_read_tile_header (
363 opj_jp2_v2_t * p_j2k,
364 OPJ_UINT32 * p_tile_index,
365 OPJ_UINT32 * p_data_size,
366 OPJ_INT32 * p_tile_x0,
367 OPJ_INT32 * p_tile_y0,
368 OPJ_INT32 * p_tile_x1,
369 OPJ_INT32 * p_tile_y1,
370 OPJ_UINT32 * p_nb_comps,
372 struct opj_stream_private *p_stream,
373 struct opj_event_mgr * p_manager
378 * @param p_j2k the jpeg2000 codec.
379 * @param p_stream the stream to write data to.
380 * @param p_manager the user event manager.
382 opj_bool jp2_decode_tile (
383 opj_jp2_v2_t * p_jp2,
384 OPJ_UINT32 p_tile_index,
386 OPJ_UINT32 p_data_size,
387 struct opj_stream_private *p_stream,
388 struct opj_event_mgr * p_manager
392 * Creates a jpeg2000 file decompressor.
394 * @return an empty jpeg2000 file codec.
396 opj_jp2_v2_t* jp2_create (opj_bool p_is_decoder);
399 Destroy a JP2 decompressor handle
400 @param jp2 JP2 decompressor handle to destroy
402 void jp2_destroy(opj_jp2_v2_t *jp2);
406 * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
408 * @param p_jp2 the jpeg2000 codec.
409 * @param p_end_x the right position of the rectangle to decode (in image coordinates).
410 * @param p_start_y the up position of the rectangle to decode (in image coordinates).
411 * @param p_end_y the bottom position of the rectangle to decode (in image coordinates).
412 * @param p_manager the user event manager
414 * @return true if the area could be set.
416 opj_bool jp2_set_decode_area( opj_jp2_v2_t *p_jp2,
417 opj_image_t* p_image,
418 OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
419 OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
420 struct opj_event_mgr * p_manager );
422 opj_bool jp2_get_tile( opj_jp2_v2_t *p_jp2,
423 opj_stream_private_t *p_stream,
424 opj_image_t* p_image,
425 struct opj_event_mgr * p_manager,
426 OPJ_UINT32 tile_index );
430 * Dump some elements from the JP2 decompression structure .
432 *@param p_jp2 the jp2 codec.
433 *@param flag flag to describe what elments are dump.
434 *@param out_stream output stream where dump the elements.
437 void jp2_dump (opj_jp2_v2_t* p_jp2, OPJ_INT32 flag, FILE* out_stream);
440 * Get the codestream info from a JPEG2000 codec.
442 *@param p_jp2 jp2 codec.
444 *@return the codestream information extract from the jpg2000 codec
446 opj_codestream_info_v2_t* jp2_get_cstr_info(opj_jp2_v2_t* p_jp2);
449 * Get the codestream index from a JPEG2000 codec.
451 *@param p_jp2 jp2 codec.
453 *@return the codestream index extract from the jpg2000 codec
455 opj_codestream_index_t* jp2_get_cstr_index(opj_jp2_v2_t* p_jp2);
457 opj_bool jp2_set_decoded_resolution_factor(opj_jp2_v2_t *p_jp2, OPJ_UINT32 res_factor, opj_event_mgr_t * p_manager);