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1770 lines
56 KiB
1770 lines
56 KiB
/* |
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* The copyright in this software is being made available under the 2-clauses |
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* BSD License, included below. This software may be subject to other third |
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* party and contributor rights, including patent rights, and no such rights |
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* are granted under this license. |
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* |
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* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium |
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* Copyright (c) 2002-2014, Professor Benoit Macq |
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* Copyright (c) 2001-2003, David Janssens |
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* Copyright (c) 2002-2003, Yannick Verschueren |
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* Copyright (c) 2003-2007, Francois-Olivier Devaux |
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* Copyright (c) 2003-2014, Antonin Descampe |
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* Copyright (c) 2005, Herve Drolon, FreeImage Team |
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* Copyright (c) 2007, Callum Lerwick <seg@haxxed.com> |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "opj_includes.h" |
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#include "t1_luts.h" |
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/** @defgroup T1 T1 - Implementation of the tier-1 coding */ |
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/*@{*/ |
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/** @name Local static functions */ |
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/*@{*/ |
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static INLINE OPJ_BYTE opj_t1_getctxno_zc(OPJ_UINT32 f, OPJ_UINT32 orient); |
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static OPJ_BYTE opj_t1_getctxno_sc(OPJ_UINT32 f); |
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static INLINE OPJ_UINT32 opj_t1_getctxno_mag(OPJ_UINT32 f); |
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static OPJ_BYTE opj_t1_getspb(OPJ_UINT32 f); |
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static OPJ_INT16 opj_t1_getnmsedec_sig(OPJ_UINT32 x, OPJ_UINT32 bitpos); |
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static OPJ_INT16 opj_t1_getnmsedec_ref(OPJ_UINT32 x, OPJ_UINT32 bitpos); |
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static void opj_t1_updateflags(opj_flag_t *flagsp, OPJ_UINT32 s, OPJ_UINT32 stride); |
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/** |
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Encode significant pass |
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*/ |
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static void opj_t1_enc_sigpass_step(opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_UINT32 orient, |
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OPJ_INT32 bpno, |
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OPJ_INT32 one, |
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OPJ_INT32 *nmsedec, |
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OPJ_BYTE type, |
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OPJ_UINT32 vsc); |
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/** |
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Decode significant pass |
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*/ |
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#if 0 |
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static void opj_t1_dec_sigpass_step(opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_UINT32 orient, |
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OPJ_INT32 oneplushalf, |
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OPJ_BYTE type, |
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OPJ_UINT32 vsc); |
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#endif |
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static INLINE void opj_t1_dec_sigpass_step_raw( |
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opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_INT32 orient, |
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OPJ_INT32 oneplushalf, |
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OPJ_INT32 vsc); |
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static INLINE void opj_t1_dec_sigpass_step_mqc( |
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opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_INT32 orient, |
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OPJ_INT32 oneplushalf); |
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static INLINE void opj_t1_dec_sigpass_step_mqc_vsc( |
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opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_INT32 orient, |
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OPJ_INT32 oneplushalf, |
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OPJ_INT32 vsc); |
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/** |
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Encode significant pass |
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*/ |
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static void opj_t1_enc_sigpass( opj_t1_t *t1, |
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OPJ_INT32 bpno, |
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OPJ_UINT32 orient, |
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OPJ_INT32 *nmsedec, |
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OPJ_BYTE type, |
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OPJ_UINT32 cblksty); |
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/** |
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Decode significant pass |
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*/ |
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static void opj_t1_dec_sigpass_raw( |
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opj_t1_t *t1, |
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OPJ_INT32 bpno, |
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OPJ_INT32 orient, |
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OPJ_INT32 cblksty); |
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static void opj_t1_dec_sigpass_mqc( |
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opj_t1_t *t1, |
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OPJ_INT32 bpno, |
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OPJ_INT32 orient); |
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static void opj_t1_dec_sigpass_mqc_vsc( |
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opj_t1_t *t1, |
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OPJ_INT32 bpno, |
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OPJ_INT32 orient); |
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/** |
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Encode refinement pass |
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*/ |
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static void opj_t1_enc_refpass_step(opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_INT32 bpno, |
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OPJ_INT32 one, |
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OPJ_INT32 *nmsedec, |
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OPJ_BYTE type, |
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OPJ_UINT32 vsc); |
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/** |
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Encode refinement pass |
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*/ |
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static void opj_t1_enc_refpass( opj_t1_t *t1, |
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OPJ_INT32 bpno, |
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OPJ_INT32 *nmsedec, |
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OPJ_BYTE type, |
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OPJ_UINT32 cblksty); |
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/** |
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Decode refinement pass |
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*/ |
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static void opj_t1_dec_refpass_raw( |
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opj_t1_t *t1, |
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OPJ_INT32 bpno, |
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OPJ_INT32 cblksty); |
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static void opj_t1_dec_refpass_mqc( |
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opj_t1_t *t1, |
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OPJ_INT32 bpno); |
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static void opj_t1_dec_refpass_mqc_vsc( |
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opj_t1_t *t1, |
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OPJ_INT32 bpno); |
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/** |
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Decode refinement pass |
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*/ |
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#if 0 |
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static void opj_t1_dec_refpass_step(opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_INT32 poshalf, |
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OPJ_INT32 neghalf, |
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OPJ_BYTE type, |
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OPJ_UINT32 vsc); |
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#endif |
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static INLINE void opj_t1_dec_refpass_step_raw( |
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opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_INT32 poshalf, |
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OPJ_INT32 neghalf, |
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OPJ_INT32 vsc); |
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static INLINE void opj_t1_dec_refpass_step_mqc( |
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opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_INT32 poshalf, |
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OPJ_INT32 neghalf); |
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static INLINE void opj_t1_dec_refpass_step_mqc_vsc( |
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opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_INT32 poshalf, |
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OPJ_INT32 neghalf, |
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OPJ_INT32 vsc); |
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/** |
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Encode clean-up pass |
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*/ |
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static void opj_t1_enc_clnpass_step( |
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opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_UINT32 orient, |
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OPJ_INT32 bpno, |
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OPJ_INT32 one, |
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OPJ_INT32 *nmsedec, |
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OPJ_UINT32 partial, |
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OPJ_UINT32 vsc); |
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/** |
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Decode clean-up pass |
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*/ |
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static void opj_t1_dec_clnpass_step_partial( |
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opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_INT32 orient, |
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OPJ_INT32 oneplushalf); |
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static void opj_t1_dec_clnpass_step( |
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opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_INT32 orient, |
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OPJ_INT32 oneplushalf); |
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static void opj_t1_dec_clnpass_step_vsc( |
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opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_INT32 orient, |
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OPJ_INT32 oneplushalf, |
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OPJ_INT32 partial, |
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OPJ_INT32 vsc); |
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/** |
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Encode clean-up pass |
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*/ |
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static void opj_t1_enc_clnpass( |
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opj_t1_t *t1, |
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OPJ_INT32 bpno, |
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OPJ_UINT32 orient, |
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OPJ_INT32 *nmsedec, |
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OPJ_UINT32 cblksty); |
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/** |
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Decode clean-up pass |
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*/ |
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static void opj_t1_dec_clnpass( |
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opj_t1_t *t1, |
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OPJ_INT32 bpno, |
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OPJ_INT32 orient, |
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OPJ_INT32 cblksty); |
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static OPJ_FLOAT64 opj_t1_getwmsedec( |
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OPJ_INT32 nmsedec, |
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OPJ_UINT32 compno, |
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OPJ_UINT32 level, |
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OPJ_UINT32 orient, |
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OPJ_INT32 bpno, |
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OPJ_UINT32 qmfbid, |
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OPJ_FLOAT64 stepsize, |
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OPJ_UINT32 numcomps, |
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const OPJ_FLOAT64 * mct_norms, |
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OPJ_UINT32 mct_numcomps); |
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static void opj_t1_encode_cblk( opj_t1_t *t1, |
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opj_tcd_cblk_enc_t* cblk, |
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OPJ_UINT32 orient, |
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OPJ_UINT32 compno, |
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OPJ_UINT32 level, |
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OPJ_UINT32 qmfbid, |
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OPJ_FLOAT64 stepsize, |
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OPJ_UINT32 cblksty, |
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OPJ_UINT32 numcomps, |
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opj_tcd_tile_t * tile, |
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const OPJ_FLOAT64 * mct_norms, |
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OPJ_UINT32 mct_numcomps); |
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/** |
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Decode 1 code-block |
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@param t1 T1 handle |
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@param cblk Code-block coding parameters |
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@param orient |
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@param roishift Region of interest shifting value |
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@param cblksty Code-block style |
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*/ |
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static OPJ_BOOL opj_t1_decode_cblk( opj_t1_t *t1, |
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opj_tcd_cblk_dec_t* cblk, |
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OPJ_UINT32 orient, |
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OPJ_UINT32 roishift, |
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OPJ_UINT32 cblksty); |
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static OPJ_BOOL opj_t1_allocate_buffers( opj_t1_t *t1, |
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OPJ_UINT32 w, |
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OPJ_UINT32 h); |
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/*@}*/ |
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/*@}*/ |
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/* ----------------------------------------------------------------------- */ |
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static OPJ_BYTE opj_t1_getctxno_zc(OPJ_UINT32 f, OPJ_UINT32 orient) { |
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return lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)]; |
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} |
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static OPJ_BYTE opj_t1_getctxno_sc(OPJ_UINT32 f) { |
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return lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4]; |
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} |
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static OPJ_UINT32 opj_t1_getctxno_mag(OPJ_UINT32 f) { |
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OPJ_UINT32 tmp1 = (f & T1_SIG_OTH) ? T1_CTXNO_MAG + 1 : T1_CTXNO_MAG; |
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OPJ_UINT32 tmp2 = (f & T1_REFINE) ? T1_CTXNO_MAG + 2 : tmp1; |
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return (tmp2); |
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} |
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static OPJ_BYTE opj_t1_getspb(OPJ_UINT32 f) { |
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return lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4]; |
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} |
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static OPJ_INT16 opj_t1_getnmsedec_sig(OPJ_UINT32 x, OPJ_UINT32 bitpos) { |
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if (bitpos > 0) { |
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return lut_nmsedec_sig[(x >> (bitpos)) & ((1 << T1_NMSEDEC_BITS) - 1)]; |
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} |
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return lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)]; |
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} |
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static OPJ_INT16 opj_t1_getnmsedec_ref(OPJ_UINT32 x, OPJ_UINT32 bitpos) { |
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if (bitpos > 0) { |
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return lut_nmsedec_ref[(x >> (bitpos)) & ((1 << T1_NMSEDEC_BITS) - 1)]; |
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} |
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return lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)]; |
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} |
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static void opj_t1_updateflags(opj_flag_t *flagsp, OPJ_UINT32 s, OPJ_UINT32 stride) { |
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opj_flag_t *np = flagsp - stride; |
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opj_flag_t *sp = flagsp + stride; |
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static const opj_flag_t mod[] = { |
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T1_SIG_S, T1_SIG_S|T1_SGN_S, |
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T1_SIG_E, T1_SIG_E|T1_SGN_E, |
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T1_SIG_W, T1_SIG_W|T1_SGN_W, |
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T1_SIG_N, T1_SIG_N|T1_SGN_N |
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}; |
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np[-1] |= T1_SIG_SE; |
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np[0] |= mod[s]; |
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np[1] |= T1_SIG_SW; |
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flagsp[-1] |= mod[s+2]; |
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flagsp[0] |= T1_SIG; |
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flagsp[1] |= mod[s+4]; |
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sp[-1] |= T1_SIG_NE; |
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sp[0] |= mod[s+6]; |
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sp[1] |= T1_SIG_NW; |
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} |
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static void opj_t1_enc_sigpass_step( opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_UINT32 orient, |
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OPJ_INT32 bpno, |
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OPJ_INT32 one, |
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OPJ_INT32 *nmsedec, |
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OPJ_BYTE type, |
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OPJ_UINT32 vsc |
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) |
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{ |
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OPJ_INT32 v; |
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OPJ_UINT32 flag; |
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opj_mqc_t *mqc = t1->mqc; /* MQC component */ |
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flag = vsc ? (OPJ_UINT32)((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (OPJ_UINT32)(*flagsp); |
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if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { |
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v = opj_int_abs(*datap) & one ? 1 : 0; |
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opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(flag, orient)); /* ESSAI */ |
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if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ |
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opj_mqc_bypass_enc(mqc, (OPJ_UINT32)v); |
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} else { |
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opj_mqc_encode(mqc, (OPJ_UINT32)v); |
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} |
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if (v) { |
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v = *datap < 0 ? 1 : 0; |
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*nmsedec += opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap), (OPJ_UINT32)(bpno)); |
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opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(flag)); /* ESSAI */ |
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if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ |
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opj_mqc_bypass_enc(mqc, (OPJ_UINT32)v); |
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} else { |
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opj_mqc_encode(mqc, (OPJ_UINT32)(v ^ opj_t1_getspb((OPJ_UINT32)flag))); |
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} |
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opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride); |
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} |
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*flagsp |= T1_VISIT; |
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} |
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} |
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static INLINE void opj_t1_dec_sigpass_step_raw( |
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opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_INT32 orient, |
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OPJ_INT32 oneplushalf, |
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OPJ_INT32 vsc) |
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{ |
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OPJ_INT32 v, flag; |
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opj_raw_t *raw = t1->raw; /* RAW component */ |
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OPJ_ARG_NOT_USED(orient); |
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|
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flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp); |
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if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { |
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if (opj_raw_decode(raw)) { |
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v = (OPJ_INT32)opj_raw_decode(raw); /* ESSAI */ |
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*datap = v ? -oneplushalf : oneplushalf; |
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opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride); |
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} |
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*flagsp |= T1_VISIT; |
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} |
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} |
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static INLINE void opj_t1_dec_sigpass_step_mqc( |
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opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_INT32 orient, |
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OPJ_INT32 oneplushalf) |
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{ |
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OPJ_INT32 v, flag; |
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opj_mqc_t *mqc = t1->mqc; /* MQC component */ |
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flag = *flagsp; |
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if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { |
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opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient)); |
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if (opj_mqc_decode(mqc)) { |
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opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag)); |
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v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag); |
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*datap = v ? -oneplushalf : oneplushalf; |
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opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride); |
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} |
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*flagsp |= T1_VISIT; |
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} |
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} /* VSC and BYPASS by Antonin */ |
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|
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static INLINE void opj_t1_dec_sigpass_step_mqc_vsc( |
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opj_t1_t *t1, |
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opj_flag_t *flagsp, |
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OPJ_INT32 *datap, |
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OPJ_INT32 orient, |
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OPJ_INT32 oneplushalf, |
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OPJ_INT32 vsc) |
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{ |
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OPJ_INT32 v, flag; |
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|
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opj_mqc_t *mqc = t1->mqc; /* MQC component */ |
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|
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flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp); |
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if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { |
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opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient)); |
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if (opj_mqc_decode(mqc)) { |
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opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag)); |
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v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag); |
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*datap = v ? -oneplushalf : oneplushalf; |
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opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride); |
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} |
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*flagsp |= T1_VISIT; |
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} |
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} /* VSC and BYPASS by Antonin */ |
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static void opj_t1_enc_sigpass(opj_t1_t *t1, |
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OPJ_INT32 bpno, |
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OPJ_UINT32 orient, |
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OPJ_INT32 *nmsedec, |
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OPJ_BYTE type, |
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OPJ_UINT32 cblksty |
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) |
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{ |
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OPJ_UINT32 i, j, k, vsc; |
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OPJ_INT32 one; |
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|
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*nmsedec = 0; |
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one = 1 << (bpno + T1_NMSEDEC_FRACBITS); |
|
for (k = 0; k < t1->h; k += 4) { |
|
for (i = 0; i < t1->w; ++i) { |
|
for (j = k; j < k + 4 && j < t1->h; ++j) { |
|
vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0; |
|
opj_t1_enc_sigpass_step( |
|
t1, |
|
&t1->flags[((j+1) * t1->flags_stride) + i + 1], |
|
&t1->data[(j * t1->data_stride) + i], |
|
orient, |
|
bpno, |
|
one, |
|
nmsedec, |
|
type, |
|
vsc); |
|
} |
|
} |
|
} |
|
} |
|
|
|
static void opj_t1_dec_sigpass_raw( |
|
opj_t1_t *t1, |
|
OPJ_INT32 bpno, |
|
OPJ_INT32 orient, |
|
OPJ_INT32 cblksty) |
|
{ |
|
OPJ_INT32 one, half, oneplushalf, vsc; |
|
OPJ_UINT32 i, j, k; |
|
one = 1 << bpno; |
|
half = one >> 1; |
|
oneplushalf = one | half; |
|
for (k = 0; k < t1->h; k += 4) { |
|
for (i = 0; i < t1->w; ++i) { |
|
for (j = k; j < k + 4 && j < t1->h; ++j) { |
|
vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0; |
|
opj_t1_dec_sigpass_step_raw( |
|
t1, |
|
&t1->flags[((j+1) * t1->flags_stride) + i + 1], |
|
&t1->data[(j * t1->w) + i], |
|
orient, |
|
oneplushalf, |
|
vsc); |
|
} |
|
} |
|
} |
|
} /* VSC and BYPASS by Antonin */ |
|
|
|
static void opj_t1_dec_sigpass_mqc( |
|
opj_t1_t *t1, |
|
OPJ_INT32 bpno, |
|
OPJ_INT32 orient) |
|
{ |
|
OPJ_INT32 one, half, oneplushalf; |
|
OPJ_UINT32 i, j, k; |
|
OPJ_INT32 *data1 = t1->data; |
|
opj_flag_t *flags1 = &t1->flags[1]; |
|
one = 1 << bpno; |
|
half = one >> 1; |
|
oneplushalf = one | half; |
|
for (k = 0; k < (t1->h & ~3u); k += 4) { |
|
for (i = 0; i < t1->w; ++i) { |
|
OPJ_INT32 *data2 = data1 + i; |
|
opj_flag_t *flags2 = flags1 + i; |
|
flags2 += t1->flags_stride; |
|
opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf); |
|
data2 += t1->w; |
|
flags2 += t1->flags_stride; |
|
opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf); |
|
data2 += t1->w; |
|
flags2 += t1->flags_stride; |
|
opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf); |
|
data2 += t1->w; |
|
flags2 += t1->flags_stride; |
|
opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf); |
|
data2 += t1->w; |
|
} |
|
data1 += t1->w << 2; |
|
flags1 += t1->flags_stride << 2; |
|
} |
|
for (i = 0; i < t1->w; ++i) { |
|
OPJ_INT32 *data2 = data1 + i; |
|
opj_flag_t *flags2 = flags1 + i; |
|
for (j = k; j < t1->h; ++j) { |
|
flags2 += t1->flags_stride; |
|
opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf); |
|
data2 += t1->w; |
|
} |
|
} |
|
} /* VSC and BYPASS by Antonin */ |
|
|
|
static void opj_t1_dec_sigpass_mqc_vsc( |
|
opj_t1_t *t1, |
|
OPJ_INT32 bpno, |
|
OPJ_INT32 orient) |
|
{ |
|
OPJ_INT32 one, half, oneplushalf, vsc; |
|
OPJ_UINT32 i, j, k; |
|
one = 1 << bpno; |
|
half = one >> 1; |
|
oneplushalf = one | half; |
|
for (k = 0; k < t1->h; k += 4) { |
|
for (i = 0; i < t1->w; ++i) { |
|
for (j = k; j < k + 4 && j < t1->h; ++j) { |
|
vsc = (j == k + 3 || j == t1->h - 1) ? 1 : 0; |
|
opj_t1_dec_sigpass_step_mqc_vsc( |
|
t1, |
|
&t1->flags[((j+1) * t1->flags_stride) + i + 1], |
|
&t1->data[(j * t1->w) + i], |
|
orient, |
|
oneplushalf, |
|
vsc); |
|
} |
|
} |
|
} |
|
} /* VSC and BYPASS by Antonin */ |
|
|
|
|
|
|
|
static void opj_t1_enc_refpass_step( opj_t1_t *t1, |
|
opj_flag_t *flagsp, |
|
OPJ_INT32 *datap, |
|
OPJ_INT32 bpno, |
|
OPJ_INT32 one, |
|
OPJ_INT32 *nmsedec, |
|
OPJ_BYTE type, |
|
OPJ_UINT32 vsc) |
|
{ |
|
OPJ_INT32 v; |
|
OPJ_UINT32 flag; |
|
|
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */ |
|
|
|
flag = vsc ? (OPJ_UINT32)((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (OPJ_UINT32)(*flagsp); |
|
if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { |
|
*nmsedec += opj_t1_getnmsedec_ref((OPJ_UINT32)opj_int_abs(*datap), (OPJ_UINT32)(bpno)); |
|
v = opj_int_abs(*datap) & one ? 1 : 0; |
|
opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag(flag)); /* ESSAI */ |
|
if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ |
|
opj_mqc_bypass_enc(mqc, (OPJ_UINT32)v); |
|
} else { |
|
opj_mqc_encode(mqc, (OPJ_UINT32)v); |
|
} |
|
*flagsp |= T1_REFINE; |
|
} |
|
} |
|
|
|
static INLINE void opj_t1_dec_refpass_step_raw( |
|
opj_t1_t *t1, |
|
opj_flag_t *flagsp, |
|
OPJ_INT32 *datap, |
|
OPJ_INT32 poshalf, |
|
OPJ_INT32 neghalf, |
|
OPJ_INT32 vsc) |
|
{ |
|
OPJ_INT32 v, t, flag; |
|
|
|
opj_raw_t *raw = t1->raw; /* RAW component */ |
|
|
|
flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp); |
|
if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { |
|
v = (OPJ_INT32)opj_raw_decode(raw); |
|
t = v ? poshalf : neghalf; |
|
*datap += *datap < 0 ? -t : t; |
|
*flagsp |= T1_REFINE; |
|
} |
|
} /* VSC and BYPASS by Antonin */ |
|
|
|
static INLINE void opj_t1_dec_refpass_step_mqc( |
|
opj_t1_t *t1, |
|
opj_flag_t *flagsp, |
|
OPJ_INT32 *datap, |
|
OPJ_INT32 poshalf, |
|
OPJ_INT32 neghalf) |
|
{ |
|
OPJ_INT32 v, t, flag; |
|
|
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */ |
|
|
|
flag = *flagsp; |
|
if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { |
|
opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag((OPJ_UINT32)flag)); /* ESSAI */ |
|
v = opj_mqc_decode(mqc); |
|
t = v ? poshalf : neghalf; |
|
*datap += *datap < 0 ? -t : t; |
|
*flagsp |= T1_REFINE; |
|
} |
|
} /* VSC and BYPASS by Antonin */ |
|
|
|
static INLINE void opj_t1_dec_refpass_step_mqc_vsc( |
|
opj_t1_t *t1, |
|
opj_flag_t *flagsp, |
|
OPJ_INT32 *datap, |
|
OPJ_INT32 poshalf, |
|
OPJ_INT32 neghalf, |
|
OPJ_INT32 vsc) |
|
{ |
|
OPJ_INT32 v, t, flag; |
|
|
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */ |
|
|
|
flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp); |
|
if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { |
|
opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag((OPJ_UINT32)flag)); /* ESSAI */ |
|
v = opj_mqc_decode(mqc); |
|
t = v ? poshalf : neghalf; |
|
*datap += *datap < 0 ? -t : t; |
|
*flagsp |= T1_REFINE; |
|
} |
|
} /* VSC and BYPASS by Antonin */ |
|
|
|
|
|
static void opj_t1_enc_refpass( |
|
opj_t1_t *t1, |
|
OPJ_INT32 bpno, |
|
OPJ_INT32 *nmsedec, |
|
OPJ_BYTE type, |
|
OPJ_UINT32 cblksty) |
|
{ |
|
OPJ_UINT32 i, j, k, vsc; |
|
OPJ_INT32 one; |
|
|
|
*nmsedec = 0; |
|
one = 1 << (bpno + T1_NMSEDEC_FRACBITS); |
|
for (k = 0; k < t1->h; k += 4) { |
|
for (i = 0; i < t1->w; ++i) { |
|
for (j = k; j < k + 4 && j < t1->h; ++j) { |
|
vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0; |
|
opj_t1_enc_refpass_step( |
|
t1, |
|
&t1->flags[((j+1) * t1->flags_stride) + i + 1], |
|
&t1->data[(j * t1->data_stride) + i], |
|
bpno, |
|
one, |
|
nmsedec, |
|
type, |
|
vsc); |
|
} |
|
} |
|
} |
|
} |
|
|
|
static void opj_t1_dec_refpass_raw( |
|
opj_t1_t *t1, |
|
OPJ_INT32 bpno, |
|
OPJ_INT32 cblksty) |
|
{ |
|
OPJ_INT32 one, poshalf, neghalf; |
|
OPJ_UINT32 i, j, k; |
|
OPJ_INT32 vsc; |
|
one = 1 << bpno; |
|
poshalf = one >> 1; |
|
neghalf = bpno > 0 ? -poshalf : -1; |
|
for (k = 0; k < t1->h; k += 4) { |
|
for (i = 0; i < t1->w; ++i) { |
|
for (j = k; j < k + 4 && j < t1->h; ++j) { |
|
vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0; |
|
opj_t1_dec_refpass_step_raw( |
|
t1, |
|
&t1->flags[((j+1) * t1->flags_stride) + i + 1], |
|
&t1->data[(j * t1->w) + i], |
|
poshalf, |
|
neghalf, |
|
vsc); |
|
} |
|
} |
|
} |
|
} /* VSC and BYPASS by Antonin */ |
|
|
|
static void opj_t1_dec_refpass_mqc( |
|
opj_t1_t *t1, |
|
OPJ_INT32 bpno) |
|
{ |
|
OPJ_INT32 one, poshalf, neghalf; |
|
OPJ_UINT32 i, j, k; |
|
OPJ_INT32 *data1 = t1->data; |
|
opj_flag_t *flags1 = &t1->flags[1]; |
|
one = 1 << bpno; |
|
poshalf = one >> 1; |
|
neghalf = bpno > 0 ? -poshalf : -1; |
|
for (k = 0; k < (t1->h & ~3u); k += 4) { |
|
for (i = 0; i < t1->w; ++i) { |
|
OPJ_INT32 *data2 = data1 + i; |
|
opj_flag_t *flags2 = flags1 + i; |
|
flags2 += t1->flags_stride; |
|
opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf); |
|
data2 += t1->w; |
|
flags2 += t1->flags_stride; |
|
opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf); |
|
data2 += t1->w; |
|
flags2 += t1->flags_stride; |
|
opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf); |
|
data2 += t1->w; |
|
flags2 += t1->flags_stride; |
|
opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf); |
|
data2 += t1->w; |
|
} |
|
data1 += t1->w << 2; |
|
flags1 += t1->flags_stride << 2; |
|
} |
|
for (i = 0; i < t1->w; ++i) { |
|
OPJ_INT32 *data2 = data1 + i; |
|
opj_flag_t *flags2 = flags1 + i; |
|
for (j = k; j < t1->h; ++j) { |
|
flags2 += t1->flags_stride; |
|
opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf); |
|
data2 += t1->w; |
|
} |
|
} |
|
} /* VSC and BYPASS by Antonin */ |
|
|
|
static void opj_t1_dec_refpass_mqc_vsc( |
|
opj_t1_t *t1, |
|
OPJ_INT32 bpno) |
|
{ |
|
OPJ_INT32 one, poshalf, neghalf; |
|
OPJ_UINT32 i, j, k; |
|
OPJ_INT32 vsc; |
|
one = 1 << bpno; |
|
poshalf = one >> 1; |
|
neghalf = bpno > 0 ? -poshalf : -1; |
|
for (k = 0; k < t1->h; k += 4) { |
|
for (i = 0; i < t1->w; ++i) { |
|
for (j = k; j < k + 4 && j < t1->h; ++j) { |
|
vsc = ((j == k + 3 || j == t1->h - 1)) ? 1 : 0; |
|
opj_t1_dec_refpass_step_mqc_vsc( |
|
t1, |
|
&t1->flags[((j+1) * t1->flags_stride) + i + 1], |
|
&t1->data[(j * t1->w) + i], |
|
poshalf, |
|
neghalf, |
|
vsc); |
|
} |
|
} |
|
} |
|
} /* VSC and BYPASS by Antonin */ |
|
|
|
|
|
static void opj_t1_enc_clnpass_step( |
|
opj_t1_t *t1, |
|
opj_flag_t *flagsp, |
|
OPJ_INT32 *datap, |
|
OPJ_UINT32 orient, |
|
OPJ_INT32 bpno, |
|
OPJ_INT32 one, |
|
OPJ_INT32 *nmsedec, |
|
OPJ_UINT32 partial, |
|
OPJ_UINT32 vsc) |
|
{ |
|
OPJ_INT32 v; |
|
OPJ_UINT32 flag; |
|
|
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */ |
|
|
|
flag = vsc ? (OPJ_UINT32)((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (OPJ_UINT32)(*flagsp); |
|
if (partial) { |
|
goto LABEL_PARTIAL; |
|
} |
|
if (!(*flagsp & (T1_SIG | T1_VISIT))) { |
|
opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(flag, orient)); |
|
v = opj_int_abs(*datap) & one ? 1 : 0; |
|
opj_mqc_encode(mqc, (OPJ_UINT32)v); |
|
if (v) { |
|
LABEL_PARTIAL: |
|
*nmsedec += opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap), (OPJ_UINT32)(bpno)); |
|
opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(flag)); |
|
v = *datap < 0 ? 1 : 0; |
|
opj_mqc_encode(mqc, (OPJ_UINT32)(v ^ opj_t1_getspb((OPJ_UINT32)flag))); |
|
opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride); |
|
} |
|
} |
|
*flagsp &= ~T1_VISIT; |
|
} |
|
|
|
static void opj_t1_dec_clnpass_step_partial( |
|
opj_t1_t *t1, |
|
opj_flag_t *flagsp, |
|
OPJ_INT32 *datap, |
|
OPJ_INT32 orient, |
|
OPJ_INT32 oneplushalf) |
|
{ |
|
OPJ_INT32 v, flag; |
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */ |
|
|
|
OPJ_ARG_NOT_USED(orient); |
|
|
|
flag = *flagsp; |
|
opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag)); |
|
v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag); |
|
*datap = v ? -oneplushalf : oneplushalf; |
|
opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride); |
|
*flagsp &= ~T1_VISIT; |
|
} /* VSC and BYPASS by Antonin */ |
|
|
|
static void opj_t1_dec_clnpass_step( |
|
opj_t1_t *t1, |
|
opj_flag_t *flagsp, |
|
OPJ_INT32 *datap, |
|
OPJ_INT32 orient, |
|
OPJ_INT32 oneplushalf) |
|
{ |
|
OPJ_INT32 v, flag; |
|
|
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */ |
|
|
|
flag = *flagsp; |
|
if (!(flag & (T1_SIG | T1_VISIT))) { |
|
opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient)); |
|
if (opj_mqc_decode(mqc)) { |
|
opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag)); |
|
v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag); |
|
*datap = v ? -oneplushalf : oneplushalf; |
|
opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride); |
|
} |
|
} |
|
*flagsp &= ~T1_VISIT; |
|
} /* VSC and BYPASS by Antonin */ |
|
|
|
static void opj_t1_dec_clnpass_step_vsc( |
|
opj_t1_t *t1, |
|
opj_flag_t *flagsp, |
|
OPJ_INT32 *datap, |
|
OPJ_INT32 orient, |
|
OPJ_INT32 oneplushalf, |
|
OPJ_INT32 partial, |
|
OPJ_INT32 vsc) |
|
{ |
|
OPJ_INT32 v, flag; |
|
|
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */ |
|
|
|
flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp); |
|
if (partial) { |
|
goto LABEL_PARTIAL; |
|
} |
|
if (!(flag & (T1_SIG | T1_VISIT))) { |
|
opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient)); |
|
if (opj_mqc_decode(mqc)) { |
|
LABEL_PARTIAL: |
|
opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag)); |
|
v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag); |
|
*datap = v ? -oneplushalf : oneplushalf; |
|
opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride); |
|
} |
|
} |
|
*flagsp &= ~T1_VISIT; |
|
} |
|
|
|
static void opj_t1_enc_clnpass( |
|
opj_t1_t *t1, |
|
OPJ_INT32 bpno, |
|
OPJ_UINT32 orient, |
|
OPJ_INT32 *nmsedec, |
|
OPJ_UINT32 cblksty) |
|
{ |
|
OPJ_UINT32 i, j, k; |
|
OPJ_INT32 one; |
|
OPJ_UINT32 agg, runlen, vsc; |
|
|
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */ |
|
|
|
*nmsedec = 0; |
|
one = 1 << (bpno + T1_NMSEDEC_FRACBITS); |
|
for (k = 0; k < t1->h; k += 4) { |
|
for (i = 0; i < t1->w; ++i) { |
|
if (k + 3 < t1->h) { |
|
if (cblksty & J2K_CCP_CBLKSTY_VSC) { |
|
agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) |
|
|| MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) |
|
|| MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) |
|
|| (MACRO_t1_flags(1 + k + 3,1 + i) |
|
& (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH)); |
|
} else { |
|
agg = !((MACRO_t1_flags(1 + k,1 + i) | |
|
MACRO_t1_flags(1 + k + 1,1 + i) | |
|
MACRO_t1_flags(1 + k + 2,1 + i) | |
|
MACRO_t1_flags(1 + k + 3,1 + i)) & (T1_SIG | T1_VISIT | T1_SIG_OTH)); |
|
} |
|
} else { |
|
agg = 0; |
|
} |
|
if (agg) { |
|
for (runlen = 0; runlen < 4; ++runlen) { |
|
if (opj_int_abs(t1->data[((k + runlen)*t1->data_stride) + i]) & one) |
|
break; |
|
} |
|
opj_mqc_setcurctx(mqc, T1_CTXNO_AGG); |
|
opj_mqc_encode(mqc, runlen != 4); |
|
if (runlen == 4) { |
|
continue; |
|
} |
|
opj_mqc_setcurctx(mqc, T1_CTXNO_UNI); |
|
opj_mqc_encode(mqc, runlen >> 1); |
|
opj_mqc_encode(mqc, runlen & 1); |
|
} else { |
|
runlen = 0; |
|
} |
|
for (j = k + runlen; j < k + 4 && j < t1->h; ++j) { |
|
vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0; |
|
opj_t1_enc_clnpass_step( |
|
t1, |
|
&t1->flags[((j+1) * t1->flags_stride) + i + 1], |
|
&t1->data[(j * t1->data_stride) + i], |
|
orient, |
|
bpno, |
|
one, |
|
nmsedec, |
|
agg && (j == k + runlen), |
|
vsc); |
|
} |
|
} |
|
} |
|
} |
|
|
|
static void opj_t1_dec_clnpass( |
|
opj_t1_t *t1, |
|
OPJ_INT32 bpno, |
|
OPJ_INT32 orient, |
|
OPJ_INT32 cblksty) |
|
{ |
|
OPJ_INT32 one, half, oneplushalf, agg, runlen, vsc; |
|
OPJ_UINT32 i, j, k; |
|
OPJ_INT32 segsym = cblksty & J2K_CCP_CBLKSTY_SEGSYM; |
|
|
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */ |
|
|
|
one = 1 << bpno; |
|
half = one >> 1; |
|
oneplushalf = one | half; |
|
if (cblksty & J2K_CCP_CBLKSTY_VSC) { |
|
for (k = 0; k < t1->h; k += 4) { |
|
for (i = 0; i < t1->w; ++i) { |
|
if (k + 3 < t1->h) { |
|
agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) |
|
|| MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) |
|
|| MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) |
|
|| (MACRO_t1_flags(1 + k + 3,1 + i) |
|
& (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH)); |
|
} else { |
|
agg = 0; |
|
} |
|
if (agg) { |
|
opj_mqc_setcurctx(mqc, T1_CTXNO_AGG); |
|
if (!opj_mqc_decode(mqc)) { |
|
continue; |
|
} |
|
opj_mqc_setcurctx(mqc, T1_CTXNO_UNI); |
|
runlen = opj_mqc_decode(mqc); |
|
runlen = (runlen << 1) | opj_mqc_decode(mqc); |
|
} else { |
|
runlen = 0; |
|
} |
|
for (j = k + (OPJ_UINT32)runlen; j < k + 4 && j < t1->h; ++j) { |
|
vsc = (j == k + 3 || j == t1->h - 1) ? 1 : 0; |
|
opj_t1_dec_clnpass_step_vsc( |
|
t1, |
|
&t1->flags[((j+1) * t1->flags_stride) + i + 1], |
|
&t1->data[(j * t1->w) + i], |
|
orient, |
|
oneplushalf, |
|
agg && (j == k + (OPJ_UINT32)runlen), |
|
vsc); |
|
} |
|
} |
|
} |
|
} else { |
|
OPJ_INT32 *data1 = t1->data; |
|
opj_flag_t *flags1 = &t1->flags[1]; |
|
for (k = 0; k < (t1->h & ~3u); k += 4) { |
|
for (i = 0; i < t1->w; ++i) { |
|
OPJ_INT32 *data2 = data1 + i; |
|
opj_flag_t *flags2 = flags1 + i; |
|
agg = !((MACRO_t1_flags(1 + k, 1 + i) | |
|
MACRO_t1_flags(1 + k + 1, 1 + i) | |
|
MACRO_t1_flags(1 + k + 2, 1 + i) | |
|
MACRO_t1_flags(1 + k + 3, 1 + i)) & (T1_SIG | T1_VISIT | T1_SIG_OTH)); |
|
if (agg) { |
|
opj_mqc_setcurctx(mqc, T1_CTXNO_AGG); |
|
if (!opj_mqc_decode(mqc)) { |
|
continue; |
|
} |
|
opj_mqc_setcurctx(mqc, T1_CTXNO_UNI); |
|
runlen = opj_mqc_decode(mqc); |
|
runlen = (runlen << 1) | opj_mqc_decode(mqc); |
|
flags2 += (OPJ_UINT32)runlen * t1->flags_stride; |
|
data2 += (OPJ_UINT32)runlen * t1->w; |
|
for (j = (OPJ_UINT32)runlen; j < 4 && j < t1->h; ++j) { |
|
flags2 += t1->flags_stride; |
|
if (agg && (j == (OPJ_UINT32)runlen)) { |
|
opj_t1_dec_clnpass_step_partial(t1, flags2, data2, orient, oneplushalf); |
|
} else { |
|
opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf); |
|
} |
|
data2 += t1->w; |
|
} |
|
} else { |
|
flags2 += t1->flags_stride; |
|
opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf); |
|
data2 += t1->w; |
|
flags2 += t1->flags_stride; |
|
opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf); |
|
data2 += t1->w; |
|
flags2 += t1->flags_stride; |
|
opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf); |
|
data2 += t1->w; |
|
flags2 += t1->flags_stride; |
|
opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf); |
|
data2 += t1->w; |
|
} |
|
} |
|
data1 += t1->w << 2; |
|
flags1 += t1->flags_stride << 2; |
|
} |
|
for (i = 0; i < t1->w; ++i) { |
|
OPJ_INT32 *data2 = data1 + i; |
|
opj_flag_t *flags2 = flags1 + i; |
|
for (j = k; j < t1->h; ++j) { |
|
flags2 += t1->flags_stride; |
|
opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf); |
|
data2 += t1->w; |
|
} |
|
} |
|
} |
|
|
|
if (segsym) { |
|
OPJ_INT32 v = 0; |
|
opj_mqc_setcurctx(mqc, T1_CTXNO_UNI); |
|
v = opj_mqc_decode(mqc); |
|
v = (v << 1) | opj_mqc_decode(mqc); |
|
v = (v << 1) | opj_mqc_decode(mqc); |
|
v = (v << 1) | opj_mqc_decode(mqc); |
|
/* |
|
if (v!=0xa) { |
|
opj_event_msg(t1->cinfo, EVT_WARNING, "Bad segmentation symbol %x\n", v); |
|
} |
|
*/ |
|
} |
|
} /* VSC and BYPASS by Antonin */ |
|
|
|
|
|
/** mod fixed_quality */ |
|
static OPJ_FLOAT64 opj_t1_getwmsedec( |
|
OPJ_INT32 nmsedec, |
|
OPJ_UINT32 compno, |
|
OPJ_UINT32 level, |
|
OPJ_UINT32 orient, |
|
OPJ_INT32 bpno, |
|
OPJ_UINT32 qmfbid, |
|
OPJ_FLOAT64 stepsize, |
|
OPJ_UINT32 numcomps, |
|
const OPJ_FLOAT64 * mct_norms, |
|
OPJ_UINT32 mct_numcomps) |
|
{ |
|
OPJ_FLOAT64 w1 = 1, w2, wmsedec; |
|
OPJ_ARG_NOT_USED(numcomps); |
|
|
|
if (mct_norms && (compno < mct_numcomps)) { |
|
w1 = mct_norms[compno]; |
|
} |
|
|
|
if (qmfbid == 1) { |
|
w2 = opj_dwt_getnorm(level, orient); |
|
} else { /* if (qmfbid == 0) */ |
|
w2 = opj_dwt_getnorm_real(level, orient); |
|
} |
|
|
|
wmsedec = w1 * w2 * stepsize * (1 << bpno); |
|
wmsedec *= wmsedec * nmsedec / 8192.0; |
|
|
|
return wmsedec; |
|
} |
|
|
|
static OPJ_BOOL opj_t1_allocate_buffers( |
|
opj_t1_t *t1, |
|
OPJ_UINT32 w, |
|
OPJ_UINT32 h) |
|
{ |
|
OPJ_UINT32 datasize=w * h; |
|
OPJ_UINT32 flagssize; |
|
|
|
/* encoder uses tile buffer, so no need to allocate */ |
|
if (!t1->encoder) { |
|
if(datasize > t1->datasize){ |
|
opj_aligned_free(t1->data); |
|
if (((OPJ_UINT32)-1) / (OPJ_UINT32)sizeof(OPJ_INT32) < datasize) { |
|
return OPJ_FALSE; |
|
} |
|
t1->data = (OPJ_INT32*) opj_aligned_malloc(datasize * sizeof(OPJ_INT32)); |
|
if(!t1->data){ |
|
/* FIXME event manager error callback */ |
|
return OPJ_FALSE; |
|
} |
|
t1->datasize=datasize; |
|
} |
|
memset(t1->data,0,datasize * sizeof(OPJ_INT32)); |
|
} |
|
t1->flags_stride=w+2; |
|
flagssize=t1->flags_stride * (h+2); |
|
|
|
if(flagssize > t1->flagssize){ |
|
opj_aligned_free(t1->flags); |
|
if (((OPJ_UINT32)-1) / (OPJ_UINT32)sizeof(opj_flag_t) < flagssize) { |
|
return OPJ_FALSE; |
|
} |
|
t1->flags = (opj_flag_t*) opj_aligned_malloc(flagssize * sizeof(opj_flag_t)); |
|
if(!t1->flags){ |
|
/* FIXME event manager error callback */ |
|
return OPJ_FALSE; |
|
} |
|
t1->flagssize=flagssize; |
|
} |
|
memset(t1->flags,0,flagssize * sizeof(opj_flag_t)); |
|
|
|
t1->w=w; |
|
t1->h=h; |
|
|
|
return OPJ_TRUE; |
|
} |
|
|
|
/* ----------------------------------------------------------------------- */ |
|
|
|
/* ----------------------------------------------------------------------- */ |
|
/** |
|
* Creates a new Tier 1 handle |
|
* and initializes the look-up tables of the Tier-1 coder/decoder |
|
* @return a new T1 handle if successful, returns NULL otherwise |
|
*/ |
|
opj_t1_t* opj_t1_create(OPJ_BOOL isEncoder) |
|
{ |
|
opj_t1_t *l_t1 = 00; |
|
|
|
l_t1 = (opj_t1_t*) opj_calloc(1,sizeof(opj_t1_t)); |
|
if (!l_t1) { |
|
return 00; |
|
} |
|
|
|
/* create MQC and RAW handles */ |
|
l_t1->mqc = opj_mqc_create(); |
|
if (! l_t1->mqc) { |
|
opj_t1_destroy(l_t1); |
|
return 00; |
|
} |
|
|
|
l_t1->raw = opj_raw_create(); |
|
if (! l_t1->raw) { |
|
opj_t1_destroy(l_t1); |
|
return 00; |
|
} |
|
l_t1->encoder = isEncoder; |
|
|
|
return l_t1; |
|
} |
|
|
|
|
|
/** |
|
* Destroys a previously created T1 handle |
|
* |
|
* @param p_t1 Tier 1 handle to destroy |
|
*/ |
|
void opj_t1_destroy(opj_t1_t *p_t1) |
|
{ |
|
if (! p_t1) { |
|
return; |
|
} |
|
|
|
/* destroy MQC and RAW handles */ |
|
opj_mqc_destroy(p_t1->mqc); |
|
p_t1->mqc = 00; |
|
opj_raw_destroy(p_t1->raw); |
|
p_t1->raw = 00; |
|
|
|
/* encoder uses tile buffer, so no need to free */ |
|
if (!p_t1->encoder && p_t1->data) { |
|
opj_aligned_free(p_t1->data); |
|
p_t1->data = 00; |
|
} |
|
|
|
if (p_t1->flags) { |
|
opj_aligned_free(p_t1->flags); |
|
p_t1->flags = 00; |
|
} |
|
|
|
opj_free(p_t1); |
|
} |
|
|
|
OPJ_BOOL opj_t1_decode_cblks( opj_t1_t* t1, |
|
opj_tcd_tilecomp_t* tilec, |
|
opj_tccp_t* tccp |
|
) |
|
{ |
|
OPJ_UINT32 resno, bandno, precno, cblkno; |
|
OPJ_UINT32 tile_w = (OPJ_UINT32)(tilec->x1 - tilec->x0); |
|
|
|
for (resno = 0; resno < tilec->minimum_num_resolutions; ++resno) { |
|
opj_tcd_resolution_t* res = &tilec->resolutions[resno]; |
|
|
|
for (bandno = 0; bandno < res->numbands; ++bandno) { |
|
opj_tcd_band_t* restrict band = &res->bands[bandno]; |
|
|
|
for (precno = 0; precno < res->pw * res->ph; ++precno) { |
|
opj_tcd_precinct_t* precinct = &band->precincts[precno]; |
|
|
|
for (cblkno = 0; cblkno < precinct->cw * precinct->ch; ++cblkno) { |
|
opj_tcd_cblk_dec_t* cblk = &precinct->cblks.dec[cblkno]; |
|
OPJ_INT32* restrict datap; |
|
OPJ_UINT32 cblk_w, cblk_h; |
|
OPJ_INT32 x, y; |
|
OPJ_UINT32 i, j; |
|
|
|
if (OPJ_FALSE == opj_t1_decode_cblk( |
|
t1, |
|
cblk, |
|
band->bandno, |
|
(OPJ_UINT32)tccp->roishift, |
|
tccp->cblksty)) { |
|
return OPJ_FALSE; |
|
} |
|
|
|
x = cblk->x0 - band->x0; |
|
y = cblk->y0 - band->y0; |
|
if (band->bandno & 1) { |
|
opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1]; |
|
x += pres->x1 - pres->x0; |
|
} |
|
if (band->bandno & 2) { |
|
opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1]; |
|
y += pres->y1 - pres->y0; |
|
} |
|
|
|
datap=t1->data; |
|
cblk_w = t1->w; |
|
cblk_h = t1->h; |
|
|
|
if (tccp->roishift) { |
|
OPJ_INT32 thresh = 1 << tccp->roishift; |
|
for (j = 0; j < cblk_h; ++j) { |
|
for (i = 0; i < cblk_w; ++i) { |
|
OPJ_INT32 val = datap[(j * cblk_w) + i]; |
|
OPJ_INT32 mag = abs(val); |
|
if (mag >= thresh) { |
|
mag >>= tccp->roishift; |
|
datap[(j * cblk_w) + i] = val < 0 ? -mag : mag; |
|
} |
|
} |
|
} |
|
} |
|
if (tccp->qmfbid == 1) { |
|
OPJ_INT32* restrict tiledp = &tilec->data[(OPJ_UINT32)y * tile_w + (OPJ_UINT32)x]; |
|
for (j = 0; j < cblk_h; ++j) { |
|
for (i = 0; i < cblk_w; ++i) { |
|
OPJ_INT32 tmp = datap[(j * cblk_w) + i]; |
|
((OPJ_INT32*)tiledp)[(j * tile_w) + i] = tmp/2; |
|
} |
|
} |
|
} else { /* if (tccp->qmfbid == 0) */ |
|
OPJ_FLOAT32* restrict tiledp = (OPJ_FLOAT32*) &tilec->data[(OPJ_UINT32)y * tile_w + (OPJ_UINT32)x]; |
|
for (j = 0; j < cblk_h; ++j) { |
|
OPJ_FLOAT32* restrict tiledp2 = tiledp; |
|
for (i = 0; i < cblk_w; ++i) { |
|
OPJ_FLOAT32 tmp = (OPJ_FLOAT32)*datap * band->stepsize; |
|
*tiledp2 = tmp; |
|
datap++; |
|
tiledp2++; |
|
} |
|
tiledp += tile_w; |
|
} |
|
} |
|
} /* cblkno */ |
|
} /* precno */ |
|
} /* bandno */ |
|
} /* resno */ |
|
return OPJ_TRUE; |
|
} |
|
|
|
|
|
static OPJ_BOOL opj_t1_decode_cblk(opj_t1_t *t1, |
|
opj_tcd_cblk_dec_t* cblk, |
|
OPJ_UINT32 orient, |
|
OPJ_UINT32 roishift, |
|
OPJ_UINT32 cblksty) |
|
{ |
|
opj_raw_t *raw = t1->raw; /* RAW component */ |
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */ |
|
|
|
OPJ_INT32 bpno_plus_one; |
|
OPJ_UINT32 passtype; |
|
OPJ_UINT32 segno, passno; |
|
OPJ_BYTE type = T1_TYPE_MQ; /* BYPASS mode */ |
|
|
|
if(!opj_t1_allocate_buffers( |
|
t1, |
|
(OPJ_UINT32)(cblk->x1 - cblk->x0), |
|
(OPJ_UINT32)(cblk->y1 - cblk->y0))) |
|
{ |
|
return OPJ_FALSE; |
|
} |
|
|
|
bpno_plus_one = (OPJ_INT32)(roishift + cblk->numbps); |
|
passtype = 2; |
|
|
|
opj_mqc_resetstates(mqc); |
|
opj_mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46); |
|
opj_mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3); |
|
opj_mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4); |
|
|
|
for (segno = 0; segno < cblk->real_num_segs; ++segno) { |
|
opj_tcd_seg_t *seg = &cblk->segs[segno]; |
|
|
|
/* BYPASS mode */ |
|
type = ((bpno_plus_one <= ((OPJ_INT32) (cblk->numbps)) - 4) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ; |
|
/* FIXME: slviewer gets here with a null pointer. Why? Partially downloaded and/or corrupt textures? */ |
|
if(seg->data == 00){ |
|
continue; |
|
} |
|
if (type == T1_TYPE_RAW) { |
|
opj_raw_init_dec(raw, (*seg->data) + seg->dataindex, seg->len); |
|
} else { |
|
if (OPJ_FALSE == opj_mqc_init_dec(mqc, (*seg->data) + seg->dataindex, seg->len)) { |
|
return OPJ_FALSE; |
|
} |
|
} |
|
|
|
for (passno = 0; (passno < seg->real_num_passes) && (bpno_plus_one >= 1); ++passno) { |
|
switch (passtype) { |
|
case 0: |
|
if (type == T1_TYPE_RAW) { |
|
opj_t1_dec_sigpass_raw(t1, bpno_plus_one, (OPJ_INT32)orient, (OPJ_INT32)cblksty); |
|
} else { |
|
if (cblksty & J2K_CCP_CBLKSTY_VSC) { |
|
opj_t1_dec_sigpass_mqc_vsc(t1, bpno_plus_one, (OPJ_INT32)orient); |
|
} else { |
|
opj_t1_dec_sigpass_mqc(t1, bpno_plus_one, (OPJ_INT32)orient); |
|
} |
|
} |
|
break; |
|
case 1: |
|
if (type == T1_TYPE_RAW) { |
|
opj_t1_dec_refpass_raw(t1, bpno_plus_one, (OPJ_INT32)cblksty); |
|
} else { |
|
if (cblksty & J2K_CCP_CBLKSTY_VSC) { |
|
opj_t1_dec_refpass_mqc_vsc(t1, bpno_plus_one); |
|
} else { |
|
opj_t1_dec_refpass_mqc(t1, bpno_plus_one); |
|
} |
|
} |
|
break; |
|
case 2: |
|
opj_t1_dec_clnpass(t1, bpno_plus_one, (OPJ_INT32)orient, (OPJ_INT32)cblksty); |
|
break; |
|
} |
|
|
|
if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) { |
|
opj_mqc_resetstates(mqc); |
|
opj_mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46); |
|
opj_mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3); |
|
opj_mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4); |
|
} |
|
if (++passtype == 3) { |
|
passtype = 0; |
|
bpno_plus_one--; |
|
} |
|
} |
|
} |
|
return OPJ_TRUE; |
|
} |
|
|
|
|
|
|
|
|
|
OPJ_BOOL opj_t1_encode_cblks( opj_t1_t *t1, |
|
opj_tcd_tile_t *tile, |
|
opj_tcp_t *tcp, |
|
const OPJ_FLOAT64 * mct_norms, |
|
OPJ_UINT32 mct_numcomps |
|
) |
|
{ |
|
OPJ_UINT32 compno, resno, bandno, precno, cblkno; |
|
|
|
tile->distotile = 0; /* fixed_quality */ |
|
|
|
for (compno = 0; compno < tile->numcomps; ++compno) { |
|
opj_tcd_tilecomp_t* tilec = &tile->comps[compno]; |
|
opj_tccp_t* tccp = &tcp->tccps[compno]; |
|
OPJ_UINT32 tile_w = (OPJ_UINT32)(tilec->x1 - tilec->x0); |
|
|
|
for (resno = 0; resno < tilec->numresolutions; ++resno) { |
|
opj_tcd_resolution_t *res = &tilec->resolutions[resno]; |
|
|
|
for (bandno = 0; bandno < res->numbands; ++bandno) { |
|
opj_tcd_band_t* restrict band = &res->bands[bandno]; |
|
OPJ_INT32 bandconst = 8192 * 8192 / ((OPJ_INT32) floor(band->stepsize * 8192)); |
|
|
|
for (precno = 0; precno < res->pw * res->ph; ++precno) { |
|
opj_tcd_precinct_t *prc = &band->precincts[precno]; |
|
|
|
for (cblkno = 0; cblkno < prc->cw * prc->ch; ++cblkno) { |
|
opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno]; |
|
OPJ_INT32* restrict tiledp; |
|
OPJ_UINT32 cblk_w; |
|
OPJ_UINT32 cblk_h; |
|
OPJ_UINT32 i, j, tileIndex=0, tileLineAdvance; |
|
|
|
OPJ_INT32 x = cblk->x0 - band->x0; |
|
OPJ_INT32 y = cblk->y0 - band->y0; |
|
if (band->bandno & 1) { |
|
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; |
|
x += pres->x1 - pres->x0; |
|
} |
|
if (band->bandno & 2) { |
|
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; |
|
y += pres->y1 - pres->y0; |
|
} |
|
|
|
if(!opj_t1_allocate_buffers( |
|
t1, |
|
(OPJ_UINT32)(cblk->x1 - cblk->x0), |
|
(OPJ_UINT32)(cblk->y1 - cblk->y0))) |
|
{ |
|
return OPJ_FALSE; |
|
} |
|
|
|
cblk_w = t1->w; |
|
cblk_h = t1->h; |
|
tileLineAdvance = tile_w - cblk_w; |
|
|
|
tiledp=&tilec->data[(OPJ_UINT32)y * tile_w + (OPJ_UINT32)x]; |
|
t1->data = tiledp; |
|
t1->data_stride = tile_w; |
|
if (tccp->qmfbid == 1) { |
|
for (j = 0; j < cblk_h; ++j) { |
|
for (i = 0; i < cblk_w; ++i) { |
|
tiledp[tileIndex] <<= T1_NMSEDEC_FRACBITS; |
|
tileIndex++; |
|
} |
|
tileIndex += tileLineAdvance; |
|
} |
|
} else { /* if (tccp->qmfbid == 0) */ |
|
for (j = 0; j < cblk_h; ++j) { |
|
for (i = 0; i < cblk_w; ++i) { |
|
OPJ_INT32 tmp = tiledp[tileIndex]; |
|
tiledp[tileIndex] = |
|
opj_int_fix_mul_t1( |
|
tmp, |
|
bandconst); |
|
tileIndex++; |
|
} |
|
tileIndex += tileLineAdvance; |
|
} |
|
} |
|
|
|
opj_t1_encode_cblk( |
|
t1, |
|
cblk, |
|
band->bandno, |
|
compno, |
|
tilec->numresolutions - 1 - resno, |
|
tccp->qmfbid, |
|
band->stepsize, |
|
tccp->cblksty, |
|
tile->numcomps, |
|
tile, |
|
mct_norms, |
|
mct_numcomps); |
|
|
|
} /* cblkno */ |
|
} /* precno */ |
|
} /* bandno */ |
|
} /* resno */ |
|
} /* compno */ |
|
return OPJ_TRUE; |
|
} |
|
|
|
/** mod fixed_quality */ |
|
static void opj_t1_encode_cblk(opj_t1_t *t1, |
|
opj_tcd_cblk_enc_t* cblk, |
|
OPJ_UINT32 orient, |
|
OPJ_UINT32 compno, |
|
OPJ_UINT32 level, |
|
OPJ_UINT32 qmfbid, |
|
OPJ_FLOAT64 stepsize, |
|
OPJ_UINT32 cblksty, |
|
OPJ_UINT32 numcomps, |
|
opj_tcd_tile_t * tile, |
|
const OPJ_FLOAT64 * mct_norms, |
|
OPJ_UINT32 mct_numcomps) |
|
{ |
|
OPJ_FLOAT64 cumwmsedec = 0.0; |
|
|
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */ |
|
|
|
OPJ_UINT32 passno; |
|
OPJ_INT32 bpno; |
|
OPJ_UINT32 passtype; |
|
OPJ_INT32 nmsedec = 0; |
|
OPJ_INT32 max; |
|
OPJ_UINT32 i, j; |
|
OPJ_BYTE type = T1_TYPE_MQ; |
|
OPJ_FLOAT64 tempwmsedec; |
|
|
|
max = 0; |
|
for (i = 0; i < t1->w; ++i) { |
|
for (j = 0; j < t1->h; ++j) { |
|
OPJ_INT32 tmp = abs(t1->data[i + j*t1->data_stride]); |
|
max = opj_int_max(max, tmp); |
|
} |
|
} |
|
|
|
cblk->numbps = max ? (OPJ_UINT32)((opj_int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS) : 0; |
|
|
|
bpno = (OPJ_INT32)(cblk->numbps - 1); |
|
passtype = 2; |
|
|
|
opj_mqc_resetstates(mqc); |
|
opj_mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46); |
|
opj_mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3); |
|
opj_mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4); |
|
opj_mqc_init_enc(mqc, cblk->data); |
|
|
|
for (passno = 0; bpno >= 0; ++passno) { |
|
opj_tcd_pass_t *pass = &cblk->passes[passno]; |
|
OPJ_UINT32 correction = 3; |
|
type = ((bpno < ((OPJ_INT32) (cblk->numbps) - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ; |
|
|
|
switch (passtype) { |
|
case 0: |
|
opj_t1_enc_sigpass(t1, bpno, orient, &nmsedec, type, cblksty); |
|
break; |
|
case 1: |
|
opj_t1_enc_refpass(t1, bpno, &nmsedec, type, cblksty); |
|
break; |
|
case 2: |
|
opj_t1_enc_clnpass(t1, bpno, orient, &nmsedec, cblksty); |
|
/* code switch SEGMARK (i.e. SEGSYM) */ |
|
if (cblksty & J2K_CCP_CBLKSTY_SEGSYM) |
|
opj_mqc_segmark_enc(mqc); |
|
break; |
|
} |
|
|
|
/* fixed_quality */ |
|
tempwmsedec = opj_t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps,mct_norms, mct_numcomps) ; |
|
cumwmsedec += tempwmsedec; |
|
tile->distotile += tempwmsedec; |
|
|
|
/* Code switch "RESTART" (i.e. TERMALL) */ |
|
if ((cblksty & J2K_CCP_CBLKSTY_TERMALL) && !((passtype == 2) && (bpno - 1 < 0))) { |
|
if (type == T1_TYPE_RAW) { |
|
opj_mqc_flush(mqc); |
|
correction = 1; |
|
/* correction = mqc_bypass_flush_enc(); */ |
|
} else { /* correction = mqc_restart_enc(); */ |
|
opj_mqc_flush(mqc); |
|
correction = 1; |
|
} |
|
pass->term = 1; |
|
} else { |
|
if (((bpno < ((OPJ_INT32) (cblk->numbps) - 4) && (passtype > 0)) |
|
|| ((bpno == ((OPJ_INT32)cblk->numbps - 4)) && (passtype == 2))) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) { |
|
if (type == T1_TYPE_RAW) { |
|
opj_mqc_flush(mqc); |
|
correction = 1; |
|
/* correction = mqc_bypass_flush_enc(); */ |
|
} else { /* correction = mqc_restart_enc(); */ |
|
opj_mqc_flush(mqc); |
|
correction = 1; |
|
} |
|
pass->term = 1; |
|
} else { |
|
pass->term = 0; |
|
} |
|
} |
|
|
|
if (++passtype == 3) { |
|
passtype = 0; |
|
bpno--; |
|
} |
|
|
|
if (pass->term && bpno > 0) { |
|
type = ((bpno < ((OPJ_INT32) (cblk->numbps) - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ; |
|
if (type == T1_TYPE_RAW) |
|
opj_mqc_bypass_init_enc(mqc); |
|
else |
|
opj_mqc_restart_init_enc(mqc); |
|
} |
|
|
|
pass->distortiondec = cumwmsedec; |
|
pass->rate = opj_mqc_numbytes(mqc) + correction; /* FIXME */ |
|
|
|
/* Code-switch "RESET" */ |
|
if (cblksty & J2K_CCP_CBLKSTY_RESET) |
|
opj_mqc_reset_enc(mqc); |
|
} |
|
|
|
/* Code switch "ERTERM" (i.e. PTERM) */ |
|
if (cblksty & J2K_CCP_CBLKSTY_PTERM) |
|
opj_mqc_erterm_enc(mqc); |
|
else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY)) |
|
opj_mqc_flush(mqc); |
|
|
|
cblk->totalpasses = passno; |
|
|
|
for (passno = 0; passno<cblk->totalpasses; passno++) { |
|
opj_tcd_pass_t *pass = &cblk->passes[passno]; |
|
if (pass->rate > opj_mqc_numbytes(mqc)) |
|
pass->rate = opj_mqc_numbytes(mqc); |
|
/*Preventing generation of FF as last data byte of a pass*/ |
|
if((pass->rate>1) && (cblk->data[pass->rate - 1] == 0xFF)){ |
|
pass->rate--; |
|
} |
|
pass->len = pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate); |
|
} |
|
} |
|
|
|
#if 0 |
|
static void opj_t1_dec_refpass_step( opj_t1_t *t1, |
|
opj_flag_t *flagsp, |
|
OPJ_INT32 *datap, |
|
OPJ_INT32 poshalf, |
|
OPJ_INT32 neghalf, |
|
OPJ_BYTE type, |
|
OPJ_UINT32 vsc) |
|
{ |
|
OPJ_INT32 t; |
|
OPJ_UINT32 v,flag; |
|
|
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */ |
|
opj_raw_t *raw = t1->raw; /* RAW component */ |
|
|
|
flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp); |
|
if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { |
|
opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag(flag)); /* ESSAI */ |
|
if (type == T1_TYPE_RAW) { |
|
v = opj_raw_decode(raw); |
|
} else { |
|
v = opj_mqc_decode(mqc); |
|
} |
|
t = v ? poshalf : neghalf; |
|
*datap += *datap < 0 ? -t : t; |
|
*flagsp |= T1_REFINE; |
|
} |
|
} /* VSC and BYPASS by Antonin */ |
|
#endif |
|
|
|
|
|
|
|
#if 0 |
|
static void opj_t1_dec_sigpass_step( opj_t1_t *t1, |
|
opj_flag_t *flagsp, |
|
OPJ_INT32 *datap, |
|
OPJ_UINT32 orient, |
|
OPJ_INT32 oneplushalf, |
|
OPJ_BYTE type, |
|
OPJ_UINT32 vsc) |
|
{ |
|
OPJ_UINT32 v, flag; |
|
|
|
opj_raw_t *raw = t1->raw; /* RAW component */ |
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */ |
|
|
|
flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp); |
|
if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { |
|
if (type == T1_TYPE_RAW) { |
|
if (opj_raw_decode(raw)) { |
|
v = opj_raw_decode(raw); /* ESSAI */ |
|
*datap = v ? -oneplushalf : oneplushalf; |
|
opj_t1_updateflags(flagsp, v, t1->flags_stride); |
|
} |
|
} else { |
|
opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(flag, orient)); |
|
if (opj_mqc_decode(mqc)) { |
|
opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(flag)); |
|
v = opj_mqc_decode(mqc) ^ opj_t1_getspb(flag); |
|
*datap = v ? -oneplushalf : oneplushalf; |
|
opj_t1_updateflags(flagsp, v, t1->flags_stride); |
|
} |
|
} |
|
*flagsp |= T1_VISIT; |
|
} |
|
} /* VSC and BYPASS by Antonin */ |
|
#endif
|
|
|