tcd.h

Go to the documentation of this file.

/*
 * 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) 2001-2003, David Janssens
 * Copyright (c) 2002-2003, Yannick Verschueren
 * Copyright (c) 2003-2007, Francois-Olivier Devaux
 * Copyright (c) 2003-2014, Antonin Descampe
 * 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
 * Copyright (c) 2017, IntoPIX SA <support@intopix.com>
 * 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_TCD_H
#define OPJ_TCD_H



typedef struct opj_tcd_pass {
    OPJ_UINT32 rate;
    OPJ_FLOAT64 distortiondec;
    OPJ_UINT32 len;
    OPJ_BITFIELD term : 1;
} opj_tcd_pass_t;

typedef struct opj_tcd_layer {
    OPJ_UINT32 numpasses;       /* Number of passes in the layer */
    OPJ_UINT32 len;             /* len of information */
    OPJ_FLOAT64 disto;          /* add for index (Cfr. Marcela) */
    OPJ_BYTE *data;             /* data */
} opj_tcd_layer_t;

typedef struct opj_tcd_cblk_enc {
    OPJ_BYTE* data;               /* Data */
    opj_tcd_layer_t* layers;      /* layer information */
    opj_tcd_pass_t* passes;       /* information about the passes */
    OPJ_INT32 x0, y0, x1,
              y1;     /* dimension of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
    OPJ_UINT32 numbps;
    OPJ_UINT32 numlenbits;
    OPJ_UINT32 data_size;         /* Size of allocated data buffer */
    OPJ_UINT32
    numpasses;         /* number of pass already done for the code-blocks */
    OPJ_UINT32 numpassesinlayers; /* number of passes in the layer */
    OPJ_UINT32 totalpasses;       /* total number of passes */
} opj_tcd_cblk_enc_t;


typedef struct opj_tcd_seg_data_chunk {
    /* Point to tilepart buffer. We don't make a copy !
       So the tilepart buffer must be kept alive
       as long as we need to decode the codeblocks */
    OPJ_BYTE * data;
    OPJ_UINT32 len;                 /* Usable length of data */
} opj_tcd_seg_data_chunk_t;

typedef struct opj_tcd_seg {
    OPJ_UINT32 len;      /* Size of data related to this segment */
    /* Number of passes decoded. Including those that we skip */
    OPJ_UINT32 numpasses;
    /* Number of passes actually to be decoded. To be used for code-block decoding */
    OPJ_UINT32 real_num_passes;
    /* Maximum number of passes for this segment */
    OPJ_UINT32 maxpasses;
    /* Number of new passes for current packed. Transitory value */
    OPJ_UINT32 numnewpasses;
    /* Codestream length for this segment for current packed. Transitory value */
    OPJ_UINT32 newlen;
} opj_tcd_seg_t;

typedef struct opj_tcd_cblk_dec {
    opj_tcd_seg_t* segs;            /* segments information */
    opj_tcd_seg_data_chunk_t* chunks; /* Array of chunks */
    /* position of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
    OPJ_INT32 x0, y0, x1, y1;
    OPJ_UINT32 numbps;
    /* number of bits for len, for the current packet. Transitory value */
    OPJ_UINT32 numlenbits;
    /* number of pass added to the code-blocks, for the current packet. Transitory value */
    OPJ_UINT32 numnewpasses;
    /* number of segments, including those of packet we skip */
    OPJ_UINT32 numsegs;
    /* number of segments, to be used for code block decoding */
    OPJ_UINT32 real_num_segs;
    OPJ_UINT32 m_current_max_segs;  /* allocated number of segs[] items */
    OPJ_UINT32 numchunks;           /* Number of valid chunks items */
    OPJ_UINT32 numchunksalloc;      /* Number of chunks item allocated */
    /* Decoded code-block. Only used for subtile decoding. Otherwise tilec->data is directly updated */
    OPJ_INT32* decoded_data;
} opj_tcd_cblk_dec_t;

typedef struct opj_tcd_precinct {
    /* dimension of the precinct : left upper corner (x0, y0) right low corner (x1,y1) */
    OPJ_INT32 x0, y0, x1, y1;
    OPJ_UINT32 cw, ch;              /* number of code-blocks, in width and height */
    union {                         /* code-blocks information */
        opj_tcd_cblk_enc_t* enc;
        opj_tcd_cblk_dec_t* dec;
        void*               blocks;
    } cblks;
    OPJ_UINT32 block_size;          /* size taken by cblks (in bytes) */
    opj_tgt_tree_t *incltree;       /* inclusion tree */
    opj_tgt_tree_t *imsbtree;       /* IMSB tree */
} opj_tcd_precinct_t;

typedef struct opj_tcd_band {
    /* dimension of the subband : left upper corner (x0, y0) right low corner (x1,y1) */
    OPJ_INT32 x0, y0, x1, y1;
    /* band number: for lowest resolution level (0=LL), otherwise (1=HL, 2=LH, 3=HH) */
    OPJ_UINT32 bandno;
    /* precinct information */
    opj_tcd_precinct_t *precincts;
    /* size of data taken by precincts */
    OPJ_UINT32 precincts_data_size;
    OPJ_INT32 numbps;
    OPJ_FLOAT32 stepsize;
} opj_tcd_band_t;

typedef struct opj_tcd_resolution {
    /* dimension of the resolution level : left upper corner (x0, y0) right low corner (x1,y1) */
    OPJ_INT32 x0, y0, x1, y1;
    /* number of precincts, in width and height, for this resolution level */
    OPJ_UINT32 pw, ph;
    /* number of sub-bands for the resolution level (1 for lowest resolution level, 3 otherwise) */
    OPJ_UINT32 numbands;
    /* subband information */
    opj_tcd_band_t bands[3];

    /* dimension of the resolution limited to window of interest. Only valid if tcd->whole_tile_decoding is set */
    OPJ_UINT32 win_x0;
    OPJ_UINT32 win_y0;
    OPJ_UINT32 win_x1;
    OPJ_UINT32 win_y1;
} opj_tcd_resolution_t;

typedef struct opj_tcd_tilecomp {
    /* dimension of component : left upper corner (x0, y0) right low corner (x1,y1) */
    OPJ_INT32 x0, y0, x1, y1;
    /* component number */
    OPJ_UINT32 compno;
    /* number of resolutions level */
    OPJ_UINT32 numresolutions;
    /* number of resolutions level to decode (at max)*/
    OPJ_UINT32 minimum_num_resolutions;
    /* resolutions information */
    opj_tcd_resolution_t *resolutions;
    /* size of data for resolutions (in bytes) */
    OPJ_UINT32 resolutions_size;

    /* data of the component. For decoding, only valid if tcd->whole_tile_decoding is set (so exclusive of data_win member) */
    OPJ_INT32 *data;
    /* if true, then need to free after usage, otherwise do not free */
    OPJ_BOOL  ownsData;
    /* we may either need to allocate this amount of data, or re-use image data and ignore this value */
    size_t data_size_needed;
    /* size of the data of the component */
    size_t data_size;

    OPJ_INT32 *data_win;
    /* dimension of the component limited to window of interest. Only valid for decoding and  if tcd->whole_tile_decoding is NOT set */
    OPJ_UINT32 win_x0;
    OPJ_UINT32 win_y0;
    OPJ_UINT32 win_x1;
    OPJ_UINT32 win_y1;

    /* add fixed_quality */
    OPJ_INT32 numpix;
} opj_tcd_tilecomp_t;


typedef struct opj_tcd_tile {
    /* dimension of the tile : left upper corner (x0, y0) right low corner (x1,y1) */
    OPJ_INT32 x0, y0, x1, y1;
    OPJ_UINT32 numcomps;            /* number of components in tile */
    opj_tcd_tilecomp_t *comps;  /* Components information */
    OPJ_INT32 numpix;               /* add fixed_quality */
    OPJ_FLOAT64 distotile;          /* add fixed_quality */
    OPJ_FLOAT64 distolayer[100];    /* add fixed_quality */
    OPJ_UINT32 packno;              /* packet number */
} opj_tcd_tile_t;

typedef struct opj_tcd_image {
    opj_tcd_tile_t *tiles;      /* Tiles information */
}
opj_tcd_image_t;


typedef struct opj_tcd {
    OPJ_INT32 tp_pos;
    OPJ_UINT32 tp_num;
    OPJ_UINT32 cur_tp_num;
    OPJ_UINT32 cur_totnum_tp;
    OPJ_UINT32 cur_pino;
    opj_tcd_image_t *tcd_image;
    opj_image_t *image;
    opj_cp_t *cp;
    opj_tcp_t *tcp;
    OPJ_UINT32 tcd_tileno;
    OPJ_BITFIELD m_is_decoder : 1;
    opj_thread_pool_t* thread_pool;
    OPJ_UINT32 win_x0;
    OPJ_UINT32 win_y0;
    OPJ_UINT32 win_x1;
    OPJ_UINT32 win_y1;
    OPJ_BOOL   whole_tile_decoding;
    /* Array of size image->numcomps indicating if a component must be decoded. NULL if all components must be decoded */
    OPJ_BOOL* used_component;
} opj_tcd_t;

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

/*void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t *img);*/ /* TODO MSD shoul use the new v2 structures */

opj_tcd_t* opj_tcd_create(OPJ_BOOL p_is_decoder);

void opj_tcd_destroy(opj_tcd_t *tcd);

OPJ_BOOL opj_tcd_init(opj_tcd_t *p_tcd,
                      opj_image_t * p_image,
                      opj_cp_t * p_cp,
                      opj_thread_pool_t* p_tp);

OPJ_BOOL opj_tcd_init_decode_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
                                  opj_event_mgr_t* p_manager);

void opj_tcd_makelayer_fixed(opj_tcd_t *tcd, OPJ_UINT32 layno,
                             OPJ_UINT32 final);

void opj_tcd_rateallocate_fixed(opj_tcd_t *tcd);

void opj_tcd_makelayer(opj_tcd_t *tcd,
                       OPJ_UINT32 layno,
                       OPJ_FLOAT64 thresh,
                       OPJ_UINT32 final);

OPJ_BOOL opj_tcd_rateallocate(opj_tcd_t *tcd,
                              OPJ_BYTE *dest,
                              OPJ_UINT32 * p_data_written,
                              OPJ_UINT32 len,
                              opj_codestream_info_t *cstr_info,
                              opj_event_mgr_t *p_manager);

OPJ_UINT32 opj_tcd_get_decoded_tile_size(opj_tcd_t *p_tcd,
        OPJ_BOOL take_into_account_partial_decoding);

OPJ_BOOL opj_tcd_encode_tile(opj_tcd_t *p_tcd,
                             OPJ_UINT32 p_tile_no,
                             OPJ_BYTE *p_dest,
                             OPJ_UINT32 * p_data_written,
                             OPJ_UINT32 p_len,
                             struct opj_codestream_info *p_cstr_info,
                             opj_event_mgr_t *p_manager);


OPJ_BOOL opj_tcd_decode_tile(opj_tcd_t *tcd,
                             OPJ_UINT32 win_x0,
                             OPJ_UINT32 win_y0,
                             OPJ_UINT32 win_x1,
                             OPJ_UINT32 win_y1,
                             OPJ_UINT32 numcomps_to_decode,
                             const OPJ_UINT32 *comps_indices,
                             OPJ_BYTE *src,
                             OPJ_UINT32 len,
                             OPJ_UINT32 tileno,
                             opj_codestream_index_t *cstr_info,
                             opj_event_mgr_t *manager);


OPJ_BOOL opj_tcd_update_tile_data(opj_tcd_t *p_tcd,
                                  OPJ_BYTE * p_dest,
                                  OPJ_UINT32 p_dest_length);

OPJ_SIZE_T opj_tcd_get_encoded_tile_size(opj_tcd_t *p_tcd);

OPJ_BOOL opj_tcd_init_encode_tile(opj_tcd_t *p_tcd,
                                  OPJ_UINT32 p_tile_no, opj_event_mgr_t* p_manager);

OPJ_BOOL opj_tcd_copy_tile_data(opj_tcd_t *p_tcd,
                                OPJ_BYTE * p_src,
                                OPJ_SIZE_T p_src_length);

OPJ_BOOL opj_alloc_tile_component_data(opj_tcd_tilecomp_t *l_tilec);

OPJ_BOOL opj_tcd_is_band_empty(opj_tcd_band_t* band);

void opj_tcd_reinit_segment(opj_tcd_seg_t* seg);


OPJ_BOOL opj_tcd_is_subband_area_of_interest(opj_tcd_t *tcd,
        OPJ_UINT32 compno,
        OPJ_UINT32 resno,
        OPJ_UINT32 bandno,
        OPJ_UINT32 x0,
        OPJ_UINT32 y0,
        OPJ_UINT32 x1,
        OPJ_UINT32 y1);

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

#endif /* OPJ_TCD_H */