t1.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) 2012, Carl Hetherington
 * 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_T1_H
#define OPJ_T1_H


/* ----------------------------------------------------------------------- */
#define T1_NMSEDEC_BITS 7

#define T1_NUMCTXS_ZC  9
#define T1_NUMCTXS_SC  5
#define T1_NUMCTXS_MAG 3
#define T1_NUMCTXS_AGG 1
#define T1_NUMCTXS_UNI 1

#define T1_CTXNO_ZC  0
#define T1_CTXNO_SC  (T1_CTXNO_ZC+T1_NUMCTXS_ZC)
#define T1_CTXNO_MAG (T1_CTXNO_SC+T1_NUMCTXS_SC)
#define T1_CTXNO_AGG (T1_CTXNO_MAG+T1_NUMCTXS_MAG)
#define T1_CTXNO_UNI (T1_CTXNO_AGG+T1_NUMCTXS_AGG)
#define T1_NUMCTXS   (T1_CTXNO_UNI+T1_NUMCTXS_UNI)

#define T1_NMSEDEC_FRACBITS (T1_NMSEDEC_BITS-1)

#define T1_TYPE_MQ 0    
#define T1_TYPE_RAW 1   
/* BEGINNING of flags that apply to opj_flag_t */

/* SIGMA: significance state (3 cols x 6 rows)
 * CHI:   state for negative sample value (1 col x 6 rows)
 * MU:    state for visited in refinement pass (1 col x 4 rows)
 * PI:    state for visited in significance pass (1 col * 4 rows)
 */

#define T1_SIGMA_0  (1U << 0)
#define T1_SIGMA_1  (1U << 1)
#define T1_SIGMA_2  (1U << 2)
#define T1_SIGMA_3  (1U << 3)
#define T1_SIGMA_4  (1U << 4)
#define T1_SIGMA_5  (1U << 5)
#define T1_SIGMA_6  (1U << 6)
#define T1_SIGMA_7  (1U << 7)
#define T1_SIGMA_8  (1U << 8)
#define T1_SIGMA_9  (1U << 9)
#define T1_SIGMA_10 (1U << 10)
#define T1_SIGMA_11 (1U << 11)
#define T1_SIGMA_12 (1U << 12)
#define T1_SIGMA_13 (1U << 13)
#define T1_SIGMA_14 (1U << 14)
#define T1_SIGMA_15 (1U << 15)
#define T1_SIGMA_16 (1U << 16)
#define T1_SIGMA_17 (1U << 17)

#define T1_CHI_0    (1U << 18)
#define T1_CHI_0_I  18
#define T1_CHI_1    (1U << 19)
#define T1_CHI_1_I  19
#define T1_MU_0     (1U << 20)
#define T1_PI_0     (1U << 21)
#define T1_CHI_2    (1U << 22)
#define T1_CHI_2_I  22
#define T1_MU_1     (1U << 23)
#define T1_PI_1     (1U << 24)
#define T1_CHI_3    (1U << 25)
#define T1_MU_2     (1U << 26)
#define T1_PI_2     (1U << 27)
#define T1_CHI_4    (1U << 28)
#define T1_MU_3     (1U << 29)
#define T1_PI_3     (1U << 30)
#define T1_CHI_5    (1U << 31)
#define T1_CHI_5_I  31

#define T1_SIGMA_NW   T1_SIGMA_0
#define T1_SIGMA_N    T1_SIGMA_1
#define T1_SIGMA_NE   T1_SIGMA_2
#define T1_SIGMA_W    T1_SIGMA_3
#define T1_SIGMA_THIS T1_SIGMA_4
#define T1_SIGMA_E    T1_SIGMA_5
#define T1_SIGMA_SW   T1_SIGMA_6
#define T1_SIGMA_S    T1_SIGMA_7
#define T1_SIGMA_SE   T1_SIGMA_8
#define T1_SIGMA_NEIGHBOURS (T1_SIGMA_NW | T1_SIGMA_N | T1_SIGMA_NE | T1_SIGMA_W | T1_SIGMA_E | T1_SIGMA_SW | T1_SIGMA_S | T1_SIGMA_SE)

#define T1_CHI_THIS   T1_CHI_1
#define T1_CHI_THIS_I T1_CHI_1_I
#define T1_MU_THIS    T1_MU_0
#define T1_PI_THIS    T1_PI_0
#define T1_CHI_S      T1_CHI_2

#define T1_LUT_SGN_W (1U << 0)
#define T1_LUT_SIG_N (1U << 1)
#define T1_LUT_SGN_E (1U << 2)
#define T1_LUT_SIG_W (1U << 3)
#define T1_LUT_SGN_N (1U << 4)
#define T1_LUT_SIG_E (1U << 5)
#define T1_LUT_SGN_S (1U << 6)
#define T1_LUT_SIG_S (1U << 7)
/* END of flags that apply to opj_flag_t */

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

typedef OPJ_UINT32 opj_flag_t;

typedef struct opj_t1 {

    opj_mqc_t mqc;

    OPJ_INT32  *data;
    opj_flag_t *flags;

    OPJ_UINT32 w;
    OPJ_UINT32 h;
    OPJ_UINT32 datasize;
    OPJ_UINT32 flagssize;
    OPJ_BOOL   encoder;

    /* Thre 3 variables below are only used by the decoder */
    /* set to TRUE in multithreaded context */
    OPJ_BOOL     mustuse_cblkdatabuffer;
    /* Temporary buffer to concatenate all chunks of a codebock */
    OPJ_BYTE    *cblkdatabuffer;
    /* Maximum size available in cblkdatabuffer */
    OPJ_UINT32   cblkdatabuffersize;
} opj_t1_t;

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

OPJ_BOOL opj_t1_encode_cblks(opj_tcd_t* tcd,
                             opj_tcd_tile_t *tile,
                             opj_tcp_t *tcp,
                             const OPJ_FLOAT64 * mct_norms,
                             OPJ_UINT32 mct_numcomps);

void opj_t1_decode_cblks(opj_tcd_t* tcd,
                         volatile OPJ_BOOL* pret,
                         opj_tcd_tilecomp_t* tilec,
                         opj_tccp_t* tccp,
                         opj_event_mgr_t *p_manager,
                         opj_mutex_t* p_manager_mutex,
                         OPJ_BOOL check_pterm);



opj_t1_t* opj_t1_create(OPJ_BOOL isEncoder);

void opj_t1_destroy(opj_t1_t *p_t1);
/* ----------------------------------------------------------------------- */

#endif /* OPJ_T1_H */