/* * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium * Copyright (c) 2002-2007, Professor Benoit Macq * Copyright (c) 2002-2003, Yannick Verschueren * Copyright (c) 2005, Herve Drolon, FreeImage Team * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef __JP2_H #define __JP2_H /** @file jp2.h @brief The JPEG-2000 file format Reader/Writer (JP2) */ /** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */ /*@{*/ #define JPIP_JPIP 0x6a706970 #define JP2_JP 0x6a502020 /**< JPEG 2000 signature box */ #define JP2_FTYP 0x66747970 /**< File type box */ #define JP2_JP2H 0x6a703268 /**< JP2 header box (super-box) */ #define JP2_IHDR 0x69686472 /**< Image header box */ #define JP2_BPCC 0x62706363 /**< Bits per component box */ #define JP2_COLR 0x636f6c72 /**< Colour specification box */ #define JP2_PCLR 0x70636c72 /**< Palette box */ #define JP2_CMAP 0x636d6170 /**< Component Mapping box */ #define JP2_CDEF 0x63646566 /**< Channel Definition box */ // For the future MSD // #define JP2_RES 0x72657320 /**< Resolution box (super-box) */ #define JP2_JP2C 0x6a703263 /**< Contiguous codestream box */ // For the future MSD // #define JP2_JP2I 0x6a703269 /**< Intellectual property box */ // #define JP2_XML 0x786d6c20 /**< XML box */ // #define JP2_UUID 0x75756994 /**< UUID box */ // #define JP2_UINF 0x75696e66 /**< UUID info box (super-box) */ // #define JP2_ULST 0x756c7374 /**< UUID list box */ #define JP2_URL 0x75726c20 /**< Data entry URL box */ #define JP2_DTBL 0x6474626c /**< Data Reference box */ #define JP2_JP2 0x6a703220 /**< File type fields */ /* ----------------------------------------------------------------------- */ typedef enum { JP2_STATE_NONE = 0x0, JP2_STATE_SIGNATURE = 0x1, JP2_STATE_FILE_TYPE = 0x2, JP2_STATE_HEADER = 0x4, JP2_STATE_CODESTREAM = 0x8, JP2_STATE_END_CODESTREAM = 0x10, JP2_STATE_UNKNOWN = 0x80000000 } JP2_STATE; typedef enum { JP2_IMG_STATE_NONE = 0x0, JP2_IMG_STATE_UNKNOWN = 0x80000000 } JP2_IMG_STATE; /** Channel description: channel index, type, assocation */ typedef struct opj_jp2_cdef_info { unsigned short cn, typ, asoc; } opj_jp2_cdef_info_t; /** Channel descriptions and number of descriptions */ typedef struct opj_jp2_cdef { opj_jp2_cdef_info_t *info; unsigned short n; } opj_jp2_cdef_t; /** Component mappings: channel index, mapping type, palette index */ typedef struct opj_jp2_cmap_comp { unsigned short cmp; unsigned char mtyp, pcol; } opj_jp2_cmap_comp_t; /** Palette data: table entries, palette columns */ typedef struct opj_jp2_pclr { unsigned int *entries; unsigned char *channel_sign; unsigned char *channel_size; opj_jp2_cmap_comp_t *cmap; unsigned short nr_entries, nr_channels; } opj_jp2_pclr_t; /** Collector for ICC profile, palette, component mapping, channel description */ typedef struct opj_jp2_color { unsigned char *icc_profile_buf; int icc_profile_len; opj_jp2_cdef_t *jp2_cdef; opj_jp2_pclr_t *jp2_pclr; unsigned char jp2_has_colr; } opj_jp2_color_t; /** JP2 component */ typedef struct opj_jp2_comps { int depth; int sgnd; int bpcc; } opj_jp2_comps_t; /** JPEG-2000 file format reader/writer */ typedef struct opj_jp2 { /** codec context */ opj_common_ptr cinfo; /** handle to the J2K codec */ opj_j2k_t *j2k; unsigned int w; unsigned int h; unsigned int numcomps; unsigned int bpc; unsigned int C; unsigned int UnkC; unsigned int IPR; unsigned int meth; unsigned int approx; unsigned int enumcs; unsigned int precedence; unsigned int brand; unsigned int minversion; unsigned int numcl; unsigned int *cl; opj_jp2_comps_t *comps; unsigned int j2k_codestream_offset; unsigned int j2k_codestream_length; opj_bool jpip_on; } opj_jp2_t; /** JPEG-2000 file format reader/writer */ typedef struct opj_jp2_v2 { /** handle to the J2K codec */ struct opj_j2k_v2 *j2k; /** list of validation procedures */ struct opj_procedure_list * m_validation_list; /** list of execution procedures */ struct opj_procedure_list * m_procedure_list; /* width of image */ OPJ_UINT32 w; /* height of image */ OPJ_UINT32 h; /* number of components in the image */ OPJ_UINT32 numcomps; OPJ_UINT32 bpc; OPJ_UINT32 C; OPJ_UINT32 UnkC; OPJ_UINT32 IPR; OPJ_UINT32 meth; OPJ_UINT32 approx; OPJ_UINT32 enumcs; OPJ_UINT32 precedence; OPJ_UINT32 brand; OPJ_UINT32 minversion; OPJ_UINT32 numcl; OPJ_UINT32 *cl; opj_jp2_comps_t *comps; OPJ_UINT32 j2k_codestream_offset; OPJ_UINT32 jp2_state; OPJ_UINT32 jp2_img_state; opj_jp2_color_t color; } opj_jp2_v2_t; /** JP2 Box */ typedef struct opj_jp2_box { OPJ_INT32 length; OPJ_INT32 type; OPJ_INT32 init_pos; } opj_jp2_box_t; typedef struct opj_jp2_header_handler { /* marker value */ int id; /* action linked to the marker */ opj_bool (*handler) (opj_jp2_v2_t *jp2, unsigned char * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager); } opj_jp2_header_handler_t; /** @name Exported functions */ /*@{*/ /* ----------------------------------------------------------------------- */ /** Write the JP2H box - JP2 Header box (used in MJ2) @param jp2 JP2 handle @param cio Output buffer stream */ void jp2_write_jp2h(opj_jp2_t *jp2, opj_cio_t *cio); /** Read the JP2H box - JP2 Header box (used in MJ2) @param jp2 JP2 handle @param cio Input buffer stream @param ext Collector for profile, cdef and pclr data @return Returns true if successful, returns false otherwise */ opj_bool jp2_read_jp2h(opj_jp2_t *jp2, opj_cio_t *cio, opj_jp2_color_t *color); /** Creates a JP2 decompression structure @param cinfo Codec context info @return Returns a handle to a JP2 decompressor if successful, returns NULL otherwise */ opj_jp2_t* jp2_create_decompress(opj_common_ptr cinfo); /** Destroy a JP2 decompressor handle @param jp2 JP2 decompressor handle to destroy */ void jp2_destroy_decompress(opj_jp2_t *jp2); /** Setup the decoder decoding parameters using user parameters. Decoding parameters are returned in jp2->j2k->cp. @param jp2 JP2 decompressor handle @param parameters decompression parameters */ void jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters); /** Setup the decoder decoding parameters using user parameters. Decoding parameters are returned in jp2->j2k->cp. @param jp2 JP2 decompressor handle @param parameters decompression parameters */ void jp2_setup_decoder_v2(opj_jp2_v2_t *jp2, opj_dparameters_t *parameters); /** Decode an image from a JPEG-2000 file stream @param jp2 JP2 decompressor handle @param cio Input buffer stream @param cstr_info Codestream information structure if required, NULL otherwise @return Returns a decoded image if successful, returns NULL otherwise */ opj_image_t* opj_jp2_decode(opj_jp2_t *jp2, opj_cio_t *cio, opj_codestream_info_t *cstr_info); /** Creates a JP2 compression structure @param cinfo Codec context info @return Returns a handle to a JP2 compressor if successful, returns NULL otherwise */ opj_jp2_t* jp2_create_compress(opj_common_ptr cinfo); /** Destroy a JP2 compressor handle @param jp2 JP2 compressor handle to destroy */ void jp2_destroy_compress(opj_jp2_t *jp2); /** Setup the encoder parameters using the current image and using user parameters. Coding parameters are returned in jp2->j2k->cp. @param jp2 JP2 compressor handle @param parameters compression parameters @param image input filled image */ void jp2_setup_encoder(opj_jp2_t *jp2, opj_cparameters_t *parameters, opj_image_t *image); /** Encode an image into a JPEG-2000 file stream @param jp2 JP2 compressor handle @param cio Output buffer stream @param image Image to encode @param cstr_info Codestream information structure if required, NULL otherwise @return Returns true if successful, returns false otherwise */ opj_bool opj_jp2_encode(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info); /* ----------------------------------------------------------------------- */ /** * Ends the decompression procedures and possibiliy add data to be read after the * codestream. */ opj_bool jp2_end_decompress(opj_jp2_v2_t *jp2, struct opj_stream_private *cio, struct opj_event_mgr * p_manager); /** * Reads a jpeg2000 file header structure. * * @param cio the stream to read data from. * @param jp2 the jpeg2000 file header structure. * @param p_manager the user event manager. * * @return true if the box is valid. */ opj_bool jp2_read_header( struct opj_stream_private *p_stream, opj_jp2_v2_t *jp2, opj_file_info_t * p_file_info, struct opj_event_mgr * p_manager ); /** * Reads a tile header. * @param p_j2k the jpeg2000 codec. * @param p_stream the stream to write data to. * @param p_manager the user event manager. */ opj_bool jp2_read_tile_header ( opj_jp2_v2_t * p_j2k, OPJ_UINT32 * p_tile_index, OPJ_UINT32 * p_data_size, OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0, OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1, OPJ_UINT32 * p_nb_comps, opj_bool * p_go_on, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ); /** * Decode tile data. * @param p_j2k the jpeg2000 codec. * @param p_stream the stream to write data to. * @param p_manager the user event manager. */ opj_bool opj_jp2_decode_tile ( opj_jp2_v2_t * p_jp2, OPJ_UINT32 p_tile_index, OPJ_BYTE * p_data, OPJ_UINT32 p_data_size, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ); /** * Creates a jpeg2000 file decompressor. * * @return an empty jpeg2000 file codec. */ opj_jp2_v2_t* jp2_create (opj_bool p_is_decoder); /** Destroy a JP2 decompressor handle @param jp2 JP2 decompressor handle to destroy */ void jp2_destroy(opj_jp2_v2_t *jp2); /** * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading. * * @param p_jp2 the jpeg2000 codec. * @param p_end_x the right position of the rectangle to decode (in image coordinates). * @param p_start_y the up position of the rectangle to decode (in image coordinates). * @param p_end_y the bottom position of the rectangle to decode (in image coordinates). * @param p_manager the user event manager * * @return true if the area could be set. */ opj_bool jp2_set_decode_area( opj_jp2_v2_t *p_jp2, OPJ_INT32 p_start_x, OPJ_INT32 p_start_y, OPJ_INT32 p_end_x, OPJ_INT32 p_end_y, struct opj_event_mgr * p_manager ); /*@}*/ /*@}*/ #endif /* __JP2_H */