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/*
 * The copyright in this software is being made available under the 2-clauses
 * BSD License, included below. This software may be subject to other third
 * party and contributor rights, including patent rights, and no such rights
 * are granted under this license.
 *
 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
 * Copyright (c) 2002-2014, Professor Benoit Macq
 * Copyright (c) 2002-2003, Yannick Verschueren
 * Copyright (c) 2005, Herve Drolon, FreeImage Team
 * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
 * Copyright (c) 2012, CS Systemes d'Information, France
 * 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 OPJ_JP2_H
#define OPJ_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_COLR 0x636f6c72    /**< Colour specification box */
#define     JP2_JP2C 0x6a703263    /**< Contiguous codestream box */
#define     JP2_URL  0x75726c20    /**< Data entry URL box */
#define     JP2_PCLR 0x70636c72    /**< Palette box */
#define     JP2_CMAP 0x636d6170    /**< Component Mapping box */
#define     JP2_CDEF 0x63646566    /**< Channel Definition box */
#define     JP2_DTBL 0x6474626c    /**< Data Reference box */
#define     JP2_BPCC 0x62706363    /**< Bits per component box */
#define     JP2_JP2  0x6a703220    /**< File type fields */

/* For the future */
/* #define JP2_RES 0x72657320 */  /**< Resolution box (super-box) */
/* #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 */

/* ----------------------------------------------------------------------- */

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         = 0x7fffffff /* ISO C restricts enumerator values to range of 'int' */
}
JP2_STATE;

typedef enum {
    JP2_IMG_STATE_NONE        = 0x0,
    JP2_IMG_STATE_UNKNOWN     = 0x7fffffff
}
JP2_IMG_STATE;

/**
Channel description: channel index, type, association
*/
typedef struct opj_jp2_cdef_info {
    OPJ_UINT16 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;
    OPJ_UINT16 n;
} opj_jp2_cdef_t;

/**
Component mappings: channel index, mapping type, palette index
*/
typedef struct opj_jp2_cmap_comp {
    OPJ_UINT16 cmp;
    OPJ_BYTE mtyp, pcol;
} opj_jp2_cmap_comp_t;

/**
Palette data: table entries, palette columns
*/
typedef struct opj_jp2_pclr {
    OPJ_UINT32 *entries;
    OPJ_BYTE *channel_sign;
    OPJ_BYTE *channel_size;
    opj_jp2_cmap_comp_t *cmap;
    OPJ_UINT16 nr_entries;
    OPJ_BYTE nr_channels;
} opj_jp2_pclr_t;

/**
Collector for ICC profile, palette, component mapping, channel description
*/
typedef struct opj_jp2_color {
    OPJ_BYTE *icc_profile_buf;
    OPJ_UINT32 icc_profile_len;

    opj_jp2_cdef_t *jp2_cdef;
    opj_jp2_pclr_t *jp2_pclr;
    OPJ_BYTE jp2_has_colr;
} opj_jp2_color_t;

/**
JP2 component
*/
typedef struct opj_jp2_comps {
    OPJ_UINT32 depth;
    OPJ_UINT32 sgnd;
    OPJ_UINT32 bpcc;
} opj_jp2_comps_t;

/**
JPEG-2000 file format reader/writer
*/
typedef struct opj_jp2 {
    /** handle to the J2K codec  */
    opj_j2k_t *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;
    /* FIXME: The following two variables are used to save offset
      as we write out a JP2 file to disk. This mechanism is not flexible
      as codec writers will need to extand those fields as new part
      of the standard are implemented.
    */
    OPJ_OFF_T j2k_codestream_offset;
    OPJ_OFF_T jpip_iptr_offset;
    OPJ_BOOL jpip_on;
    OPJ_UINT32 jp2_state;
    OPJ_UINT32 jp2_img_state;

    opj_jp2_color_t color;

    OPJ_BOOL ignore_pclr_cmap_cdef;
    OPJ_BYTE has_jp2h;
    OPJ_BYTE has_ihdr;
}
opj_jp2_t;

/**
JP2 Box
*/
typedef struct opj_jp2_box {
    OPJ_UINT32 length;
    OPJ_UINT32 type;
    OPJ_INT32 init_pos;
} opj_jp2_box_t;

typedef struct opj_jp2_header_handler {
    /* marker value */
    OPJ_UINT32 id;
    /* action linked to the marker */
    OPJ_BOOL(*handler)(opj_jp2_t *jp2,
                       OPJ_BYTE *p_header_data,
                       OPJ_UINT32 p_header_size,
                       opj_event_mgr_t * p_manager);
}
opj_jp2_header_handler_t;


typedef struct opj_jp2_img_header_writer_handler {
    /* action to perform */
    OPJ_BYTE*   (*handler)(opj_jp2_t *jp2, OPJ_UINT32 * p_data_size);
    /* result of the action : data */
    OPJ_BYTE*   m_data;
    /* size of data */
    OPJ_UINT32  m_size;
}
opj_jp2_img_header_writer_handler_t;

/** @name Exported functions */
/*@{*/
/* ----------------------------------------------------------------------- */

/**
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 opj_jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters);

OPJ_BOOL opj_jp2_set_threads(opj_jp2_t *jp2, OPJ_UINT32 num_threads);

/**
 * Decode an image from a JPEG-2000 file stream
 * @param jp2 JP2 decompressor handle
 * @param p_stream  FIXME DOC
 * @param p_image   FIXME DOC
 * @param p_manager FIXME DOC
 *
 * @return Returns a decoded image if successful, returns NULL otherwise
*/
OPJ_BOOL opj_jp2_decode(opj_jp2_t *jp2,
                        opj_stream_private_t *p_stream,
                        opj_image_t* p_image,
                        opj_event_mgr_t * p_manager);

/**
 * 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
 * @param p_manager  FIXME DOC
 * @return OPJ_TRUE if successful, OPJ_FALSE otherwise
*/
OPJ_BOOL opj_jp2_setup_encoder(opj_jp2_t *jp2,
                               opj_cparameters_t *parameters,
                               opj_image_t *image,
                               opj_event_mgr_t * p_manager);

/**
Encode an image into a JPEG-2000 file stream
@param jp2      JP2 compressor handle
@param stream    Output buffer stream
@param p_manager  event manager
@return Returns true if successful, returns false otherwise
*/
OPJ_BOOL opj_jp2_encode(opj_jp2_t *jp2,
                        opj_stream_private_t *stream,
                        opj_event_mgr_t * p_manager);


/**
 * Starts a compression scheme, i.e. validates the codec parameters, writes the header.
 *
 * @param  jp2    the jpeg2000 file codec.
 * @param  stream    the stream object.
 * @param  p_image   FIXME DOC
 * @param p_manager FIXME DOC
 *
 * @return true if the codec is valid.
 */
OPJ_BOOL opj_jp2_start_compress(opj_jp2_t *jp2,
                                opj_stream_private_t *stream,
                                opj_image_t * p_image,
                                opj_event_mgr_t * p_manager);


/**
 * Ends the compression procedures and possibiliy add data to be read after the
 * codestream.
 */
OPJ_BOOL opj_jp2_end_compress(opj_jp2_t *jp2,
                              opj_stream_private_t *cio,
                              opj_event_mgr_t * p_manager);

/* ----------------------------------------------------------------------- */

/**
 * Ends the decompression procedures and possibiliy add data to be read after the
 * codestream.
 */
OPJ_BOOL opj_jp2_end_decompress(opj_jp2_t *jp2,
                                opj_stream_private_t *cio,
                                opj_event_mgr_t * p_manager);

/**
 * Reads a jpeg2000 file header structure.
 *
 * @param p_stream the stream to read data from.
 * @param jp2 the jpeg2000 file header structure.
 * @param p_image   FIXME DOC
 * @param p_manager the user event manager.
 *
 * @return true if the box is valid.
 */
OPJ_BOOL opj_jp2_read_header(opj_stream_private_t *p_stream,
                             opj_jp2_t *jp2,
                             opj_image_t ** p_image,
                             opj_event_mgr_t * p_manager);

/**
 * Reads a tile header.
 * @param  p_jp2         the jpeg2000 codec.
 * @param  p_tile_index  FIXME DOC
 * @param  p_data_size   FIXME DOC
 * @param  p_tile_x0     FIXME DOC
 * @param  p_tile_y0     FIXME DOC
 * @param  p_tile_x1     FIXME DOC
 * @param  p_tile_y1     FIXME DOC
 * @param  p_nb_comps    FIXME DOC
 * @param  p_go_on       FIXME DOC
 * @param  p_stream      the stream to write data to.
 * @param  p_manager     the user event manager.
 */
OPJ_BOOL opj_jp2_read_tile_header(opj_jp2_t * p_jp2,
                                  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,
                                  opj_stream_private_t *p_stream,
                                  opj_event_mgr_t * p_manager);

/**
 * Writes a tile.
 *
 * @param  p_jp2    the jpeg2000 codec.
 * @param p_tile_index  FIXME DOC
 * @param p_data        FIXME DOC
 * @param p_data_size   FIXME DOC
 * @param  p_stream      the stream to write data to.
 * @param  p_manager  the user event manager.
 */
OPJ_BOOL opj_jp2_write_tile(opj_jp2_t *p_jp2,
                            OPJ_UINT32 p_tile_index,
                            OPJ_BYTE * p_data,
                            OPJ_UINT32 p_data_size,
                            opj_stream_private_t *p_stream,
                            opj_event_mgr_t * p_manager);

/**
 * Decode tile data.
 * @param  p_jp2    the jpeg2000 codec.
 * @param  p_tile_index FIXME DOC
 * @param  p_data       FIXME DOC
 * @param  p_data_size  FIXME DOC
 * @param  p_stream      the stream to write data to.
 * @param  p_manager  the user event manager.
 *
 * @return FIXME DOC
 */
OPJ_BOOL opj_jp2_decode_tile(opj_jp2_t * p_jp2,
                             OPJ_UINT32 p_tile_index,
                             OPJ_BYTE * p_data,
                             OPJ_UINT32 p_data_size,
                             opj_stream_private_t *p_stream,
                             opj_event_mgr_t * p_manager);

/**
 * Creates a jpeg2000 file decompressor.
 *
 * @return  an empty jpeg2000 file codec.
 */
opj_jp2_t* opj_jp2_create(OPJ_BOOL p_is_decoder);

/**
Destroy a JP2 decompressor handle
@param jp2 JP2 decompressor handle to destroy
*/
void opj_jp2_destroy(opj_jp2_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_image     FIXME DOC
 * @param  p_start_x   the left 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_x      the right 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 opj_jp2_set_decode_area(opj_jp2_t *p_jp2,
                                 opj_image_t* p_image,
                                 OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
                                 OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
                                 opj_event_mgr_t * p_manager);

/**
*
*/
OPJ_BOOL opj_jp2_get_tile(opj_jp2_t *p_jp2,
                          opj_stream_private_t *p_stream,
                          opj_image_t* p_image,
                          opj_event_mgr_t * p_manager,
                          OPJ_UINT32 tile_index);


/**
 *
 */
OPJ_BOOL opj_jp2_set_decoded_resolution_factor(opj_jp2_t *p_jp2,
        OPJ_UINT32 res_factor,
        opj_event_mgr_t * p_manager);


/* TODO MSD: clean these 3 functions */
/**
 * Dump some elements from the JP2 decompression structure .
 *
 *@param p_jp2        the jp2 codec.
 *@param flag        flag to describe what elements are dump.
 *@param out_stream      output stream where dump the elements.
 *
*/
void jp2_dump(opj_jp2_t* p_jp2, OPJ_INT32 flag, FILE* out_stream);

/**
 * Get the codestream info from a JPEG2000 codec.
 *
 *@param  p_jp2        jp2 codec.
 *
 *@return  the codestream information extract from the jpg2000 codec
 */
opj_codestream_info_v2_t* jp2_get_cstr_info(opj_jp2_t* p_jp2);

/**
 * Get the codestream index from a JPEG2000 codec.
 *
 *@param  p_jp2        jp2 codec.
 *
 *@return  the codestream index extract from the jpg2000 codec
 */
opj_codestream_index_t* jp2_get_cstr_index(opj_jp2_t* p_jp2);


/*@}*/

/*@}*/

#endif /* OPJ_JP2_H */