forked from KolibriOS/kolibrios
1182 lines
38 KiB
C
Executable File
1182 lines
38 KiB
C
Executable File
/*
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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) 2003-2005, Francois Devaux and Antonin Descampe
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* Copyright (c) 2005, Hervé Drolon, FreeImage Team
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* Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
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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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/** @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 int t1_getctxno_zc(opj_t1_t *t1, int f, int orient);
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static int t1_getctxno_sc(opj_t1_t *t1, int f);
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static int t1_getctxno_mag(opj_t1_t *t1, int f);
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static int t1_getspb(opj_t1_t *t1, int f);
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static int t1_getnmsedec_sig(opj_t1_t *t1, int x, int bitpos);
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static int t1_getnmsedec_ref(opj_t1_t *t1, int x, int bitpos);
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static void t1_updateflags(int *fp, int s);
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/**
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Encode significant pass
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*/
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static void t1_enc_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, char type, int vsc);
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/**
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Decode significant pass
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*/
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static void t1_dec_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, char type, int vsc);
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/**
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Encode significant pass
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*/
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static void t1_enc_sigpass(opj_t1_t *t1, int w, int h, int l, int bpno, int orient, int *nmsedec, char type, int cblksty);
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/**
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Decode significant pass
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*/
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static void t1_dec_sigpass(opj_t1_t *t1, int w, int h, int l, int bpno, int orient, char type, int cblksty);
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/**
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Encode refinement pass
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*/
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static void t1_enc_refpass_step(opj_t1_t *t1, int *fp, int *dp, int bpno, int one, int *nmsedec, char type, int vsc);
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/**
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Decode refinement pass
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*/
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static void t1_dec_refpass_step(opj_t1_t *t1, int *fp, int *dp, int poshalf, int neghalf, char type, int vsc);
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/**
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Encode refinement pass
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*/
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static void t1_enc_refpass(opj_t1_t *t1, int w, int h, int l, int bpno, int *nmsedec, char type, int cblksty);
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/**
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Decode refinement pass
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*/
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static void t1_dec_refpass(opj_t1_t *t1, int w, int h, int l, int bpno, char type, int cblksty);
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/**
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Encode clean-up pass
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*/
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static void t1_enc_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, int partial, int vsc);
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/**
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Decode clean-up pass
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*/
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static void t1_dec_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, int partial, int vsc);
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/**
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Encode clean-up pass
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*/
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static void t1_enc_clnpass(opj_t1_t *t1, int w, int h, int l, int bpno, int orient, int *nmsedec, int cblksty);
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/**
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Decode clean-up pass
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*/
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static void t1_dec_clnpass(opj_t1_t *t1, int w, int h, int l, int bpno, int orient, int cblksty);
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/**
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Encode 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 compno Component number
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@param level
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@param dwtid
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@param stepsize
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@param cblksty Code-block style
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@param numcomps
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@param tile
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*/
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static void t1_encode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int compno, int level[3], int dwtid[3], double stepsize, int cblksty, int numcomps, opj_tcd_tile_t * tile);
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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 void t1_decode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int roishift, int cblksty);
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static int t1_init_ctxno_zc(int f, int orient);
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static int t1_init_ctxno_sc(int f);
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static int t1_init_ctxno_mag(int f);
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static int t1_init_spb(int f);
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/**
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Initialize the look-up tables of the Tier-1 coder/decoder
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@param t1 T1 handle
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*/
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static void t1_init_luts(opj_t1_t *t1);
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/*@}*/
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/*@}*/
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/* ----------------------------------------------------------------------- */
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static int t1_getctxno_zc(opj_t1_t *t1, int f, int orient) {
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return t1->lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)];
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}
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static int t1_getctxno_sc(opj_t1_t *t1, int f) {
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return t1->lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
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}
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static int t1_getctxno_mag(opj_t1_t *t1, int f) {
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return t1->lut_ctxno_mag[(f & T1_SIG_OTH) | (((f & T1_REFINE) != 0) << 11)];
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}
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static int t1_getspb(opj_t1_t *t1, int f) {
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return t1->lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
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}
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static int t1_getnmsedec_sig(opj_t1_t *t1, int x, int bitpos) {
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if (bitpos > T1_NMSEDEC_FRACBITS) {
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return t1->lut_nmsedec_sig[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
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}
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return t1->lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
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}
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static int t1_getnmsedec_ref(opj_t1_t *t1, int x, int bitpos) {
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if (bitpos > T1_NMSEDEC_FRACBITS) {
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return t1->lut_nmsedec_ref[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
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}
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return t1->lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
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}
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static void t1_updateflags(int *fp, int s) {
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int *np = fp - (T1_MAXCBLKW + 2);
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int *sp = fp + (T1_MAXCBLKW + 2);
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np[-1] |= T1_SIG_SE;
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np[1] |= T1_SIG_SW;
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sp[-1] |= T1_SIG_NE;
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sp[1] |= T1_SIG_NW;
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*np |= T1_SIG_S;
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*sp |= T1_SIG_N;
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fp[-1] |= T1_SIG_E;
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fp[1] |= T1_SIG_W;
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if (s) {
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*np |= T1_SGN_S;
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*sp |= T1_SGN_N;
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fp[-1] |= T1_SGN_E;
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fp[1] |= T1_SGN_W;
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}
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}
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static void t1_enc_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, char type, int vsc) {
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int v, flag;
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opj_mqc_t *mqc = t1->mqc; /* MQC component */
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flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
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if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
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v = int_abs(*dp) & one ? 1 : 0;
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if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
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mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient)); /* ESSAI */
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mqc_bypass_enc(mqc, v);
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} else {
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mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));
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mqc_encode(mqc, v);
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}
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if (v) {
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v = *dp < 0 ? 1 : 0;
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*nmsedec += t1_getnmsedec_sig(t1, int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
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if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
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mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag)); /* ESSAI */
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mqc_bypass_enc(mqc, v);
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} else {
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mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));
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mqc_encode(mqc, v ^ t1_getspb(t1, flag));
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}
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t1_updateflags(fp, v);
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*fp |= T1_SIG;
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}
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*fp |= T1_VISIT;
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}
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}
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static void t1_dec_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, char type, int vsc) {
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int v, flag;
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opj_raw_t *raw = t1->raw; /* RAW component */
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opj_mqc_t *mqc = t1->mqc; /* MQC component */
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flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
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if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
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if (type == T1_TYPE_RAW) {
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if (raw_decode(raw)) {
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v = raw_decode(raw); /* ESSAI */
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*dp = v ? -oneplushalf : oneplushalf;
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t1_updateflags(fp, v);
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*fp |= T1_SIG;
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}
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} else {
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mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));
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if (mqc_decode(mqc)) {
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mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));
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v = mqc_decode(mqc) ^ t1_getspb(t1, flag);
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*dp = v ? -oneplushalf : oneplushalf;
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t1_updateflags(fp, v);
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*fp |= T1_SIG;
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}
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}
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*fp |= T1_VISIT;
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}
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} /* VSC and BYPASS by Antonin */
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static void t1_enc_sigpass(opj_t1_t *t1, int w, int h, int l, int bpno, int orient, int *nmsedec, char type, int cblksty) {
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int i, j, k, m, one, vsc;
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*nmsedec = 0;
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one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
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for (m = 0; m < l; m++) {
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for (k = 0; k < h; k += 4) {
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for (i = 0; i < w; i++) {
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for (j = k; j < k + 4 && j < h; j++) {
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vsc = ((cblksty & J3D_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
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t1_enc_sigpass_step(t1, &t1->flags[1 + m][1 + j][1 + i], &t1->data[m][j][i], orient, bpno, one, nmsedec, type, vsc);
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}
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}
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}
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}
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}
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static void t1_dec_sigpass(opj_t1_t *t1, int w, int h, int l, int bpno, int orient, char type, int cblksty) {
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int i, j, k, m, one, half, oneplushalf, vsc;
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one = 1 << bpno;
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half = one >> 1;
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oneplushalf = one | half;
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for (m = 0; m < l; m++) {
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for (k = 0; k < h; k += 4) {
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for (i = 0; i < w; i++) {
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for (j = k; j < k + 4 && j < h; j++) {
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vsc = ((cblksty & J3D_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
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t1_dec_sigpass_step(t1, &t1->flags[1 + m][1 + j][1 + i], &t1->data[m][j][i], orient, oneplushalf, type, vsc);
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}
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}
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}
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}
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} /* VSC and BYPASS by Antonin */
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static void t1_enc_refpass_step(opj_t1_t *t1, int *fp, int *dp, int bpno, int one, int *nmsedec, char type, int vsc) {
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int v, flag;
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opj_mqc_t *mqc = t1->mqc; /* MQC component */
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flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
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if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
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*nmsedec += t1_getnmsedec_ref(t1, int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
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v = int_abs(*dp) & one ? 1 : 0;
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if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
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mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag)); /* ESSAI */
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mqc_bypass_enc(mqc, v);
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} else {
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mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag));
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mqc_encode(mqc, v);
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}
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*fp |= T1_REFINE;
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}
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}
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static void t1_dec_refpass_step(opj_t1_t *t1, int *fp, int *dp, int poshalf, int neghalf, char type, int vsc) {
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int v, t, flag;
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opj_mqc_t *mqc = t1->mqc; /* MQC component */
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opj_raw_t *raw = t1->raw; /* RAW component */
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flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
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if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
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if (type == T1_TYPE_RAW) {
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mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag)); /* ESSAI */
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v = raw_decode(raw);
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} else {
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mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag));
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v = mqc_decode(mqc);
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}
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t = v ? poshalf : neghalf;
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*dp += *dp < 0 ? -t : t;
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*fp |= T1_REFINE;
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}
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} /* VSC and BYPASS by Antonin */
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static void t1_enc_refpass(opj_t1_t *t1, int w, int h, int l, int bpno, int *nmsedec, char type, int cblksty) {
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int i, j, k, m, one, vsc;
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*nmsedec = 0;
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one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
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for (m = 0; m < l; m++) {
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for (k = 0; k < h; k += 4) {
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for (i = 0; i < w; i++) {
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for (j = k; j < k + 4 && j < h; j++) {
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vsc = ((cblksty & J3D_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
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t1_enc_refpass_step(t1, &t1->flags[1 + m][1 + j][1 + i], &t1->data[m][j][i], bpno, one, nmsedec, type, vsc);
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}
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}
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}
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}
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}
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static void t1_dec_refpass(opj_t1_t *t1, int w, int h, int l, int bpno, char type, int cblksty) {
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int i, j, k, m, one, poshalf, neghalf;
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int vsc;
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one = 1 << bpno;
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poshalf = one >> 1;
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neghalf = bpno > 0 ? -poshalf : -1;
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for (m = 0; m < l; m++) {
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for (k = 0; k < h; k += 4) {
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for (i = 0; i < w; i++) {
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for (j = k; j < k + 4 && j < h; j++) {
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vsc = ((cblksty & J3D_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
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t1_dec_refpass_step(t1, &t1->flags[1 + m][1 + j][1 + i], &t1->data[m][j][i], poshalf, neghalf, type, vsc);
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}
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}
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}
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}
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} /* VSC and BYPASS by Antonin */
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static void t1_enc_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, int partial, int vsc) {
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int v, flag;
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opj_mqc_t *mqc = t1->mqc; /* MQC component */
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flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
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if (partial) {
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goto LABEL_PARTIAL;
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}
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if (!(*fp & (T1_SIG | T1_VISIT))) {
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mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));
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v = int_abs(*dp) & one ? 1 : 0;
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mqc_encode(mqc, v);
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if (v) {
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LABEL_PARTIAL:
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*nmsedec += t1_getnmsedec_sig(t1, int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
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mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));
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v = *dp < 0 ? 1 : 0;
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mqc_encode(mqc, v ^ t1_getspb(t1, flag));
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t1_updateflags(fp, v);
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*fp |= T1_SIG;
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}
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}
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*fp &= ~T1_VISIT;
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}
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|
|
static void t1_dec_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, int partial, int vsc) {
|
|
int v, flag;
|
|
|
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */
|
|
|
|
flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
|
|
if (partial) {
|
|
goto LABEL_PARTIAL;
|
|
}
|
|
if (!(flag & (T1_SIG | T1_VISIT))) {
|
|
mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));
|
|
if (mqc_decode(mqc)) {
|
|
LABEL_PARTIAL:
|
|
mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));
|
|
v = mqc_decode(mqc) ^ t1_getspb(t1, flag);
|
|
*dp = v ? -oneplushalf : oneplushalf;
|
|
t1_updateflags(fp, v);
|
|
*fp |= T1_SIG;
|
|
}
|
|
}
|
|
*fp &= ~T1_VISIT;
|
|
} /* VSC and BYPASS by Antonin */
|
|
|
|
static void t1_enc_clnpass(opj_t1_t *t1, int w, int h, int l, int bpno, int orient, int *nmsedec, int cblksty) {
|
|
int i, j, k, m, one, agg, runlen, vsc;
|
|
|
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */
|
|
|
|
*nmsedec = 0;
|
|
one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
|
|
for (m = 0; m < l; m++) {
|
|
for (k = 0; k < h; k += 4) {
|
|
for (i = 0; i < w; i++) {
|
|
if (k + 3 < h) {
|
|
if (cblksty & J3D_CCP_CBLKSTY_VSC) {
|
|
agg = !(t1->flags[1 + m][1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
|
|
|| t1->flags[1 + m][1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
|
|
|| t1->flags[1 + m][1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
|
|
|| (t1->flags[1 + m][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 = !(t1->flags[1 + m][1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
|
|
|| t1->flags[1 + m][1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
|
|
|| t1->flags[1 + m][1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
|
|
|| t1->flags[1 + m][1 + k + 3][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH));
|
|
}
|
|
} else {
|
|
agg = 0;
|
|
}
|
|
if (agg) {
|
|
for (runlen = 0; runlen < 4; runlen++) {
|
|
if (int_abs(t1->data[m][k + runlen][i]) & one)
|
|
break;
|
|
}
|
|
mqc_setcurctx(mqc, T1_CTXNO_AGG);
|
|
mqc_encode(mqc, runlen != 4);
|
|
if (runlen == 4) {
|
|
continue;
|
|
}
|
|
mqc_setcurctx(mqc, T1_CTXNO_UNI);
|
|
mqc_encode(mqc, runlen >> 1);
|
|
mqc_encode(mqc, runlen & 1);
|
|
} else {
|
|
runlen = 0;
|
|
}
|
|
for (j = k + runlen; j < k + 4 && j < h; j++) {
|
|
vsc = ((cblksty & J3D_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
|
|
t1_enc_clnpass_step(t1, &(t1->flags[1 + m][1 + j][1 + i]), &(t1->data[m][j][i]), orient, bpno, one, nmsedec, agg && (j == k + runlen), vsc);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void t1_dec_clnpass(opj_t1_t *t1, int w, int h, int l, int bpno, int orient, int cblksty) {
|
|
int i, j, k, m, one, half, oneplushalf, agg, runlen, vsc;
|
|
int segsym = cblksty & J3D_CCP_CBLKSTY_SEGSYM;
|
|
|
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */
|
|
|
|
one = 1 << bpno;
|
|
half = one >> 1;
|
|
oneplushalf = one | half;
|
|
for (m = 0; m < l; m++) {
|
|
for (k = 0; k < h; k += 4) {
|
|
for (i = 0; i < w; i++) {
|
|
if (k + 3 < h) {
|
|
if (cblksty & J3D_CCP_CBLKSTY_VSC) {
|
|
agg = !(t1->flags[1 + m][1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
|
|
|| t1->flags[1 + m][1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
|
|
|| t1->flags[1 + m][1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
|
|
|| (t1->flags[1 + m][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 = !(t1->flags[1 + m][1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
|
|
|| t1->flags[1 + m][1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
|
|
|| t1->flags[1 + m][1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
|
|
|| t1->flags[1 + m][1 + k + 3][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH));
|
|
}
|
|
} else {
|
|
agg = 0;
|
|
}
|
|
if (agg) {
|
|
mqc_setcurctx(mqc, T1_CTXNO_AGG);
|
|
if (!mqc_decode(mqc)) {
|
|
continue;
|
|
}
|
|
mqc_setcurctx(mqc, T1_CTXNO_UNI);
|
|
runlen = mqc_decode(mqc);
|
|
runlen = (runlen << 1) | mqc_decode(mqc);
|
|
} else {
|
|
runlen = 0;
|
|
}
|
|
for (j = k + runlen; j < k + 4 && j < h; j++) {
|
|
vsc = ((cblksty & J3D_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
|
|
t1_dec_clnpass_step(t1, &t1->flags[1 + m][1 + j][1 + i], &t1->data[m][j][i], orient, oneplushalf, agg && (j == k + runlen), vsc);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (segsym) {
|
|
int v = 0;
|
|
mqc_setcurctx(mqc, T1_CTXNO_UNI);
|
|
v = mqc_decode(mqc);
|
|
v = (v << 1) | mqc_decode(mqc);
|
|
v = (v << 1) | mqc_decode(mqc);
|
|
v = (v << 1) | mqc_decode(mqc);
|
|
/*
|
|
if (v!=0xa) {
|
|
opj_event_msg(t1->cinfo, EVT_WARNING, "Bad segmentation symbol %x\n", v);
|
|
}
|
|
*/
|
|
}
|
|
} /* VSC and BYPASS by Antonin */
|
|
|
|
|
|
static void t1_encode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int compno, int level[3], int dwtid[3], double stepsize, int cblksty, int numcomps, opj_tcd_tile_t * tile) {
|
|
int i, j, k;
|
|
int w, h, l;
|
|
int passno;
|
|
int bpno, passtype;
|
|
int max;
|
|
int nmsedec = 0;
|
|
double cumwmsedec = 0;
|
|
char type = T1_TYPE_MQ;
|
|
|
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */
|
|
|
|
w = cblk->x1 - cblk->x0;
|
|
h = cblk->y1 - cblk->y0;
|
|
l = cblk->z1 - cblk->z0;
|
|
|
|
max = 0;
|
|
for (k = 0; k < l; k++) {
|
|
for (j = 0; j < h; j++) {
|
|
for (i = 0; i < w; i++) {
|
|
max = int_max(max, int_abs(t1->data[k][j][i]));
|
|
}
|
|
}
|
|
}
|
|
for (k = 0; k <= l; k++) {
|
|
for (j = 0; j <= h; j++) {
|
|
for (i = 0; i <= w; i++) {
|
|
t1->flags[k][j][i] = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
cblk->numbps = max ? (int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS : 0;
|
|
|
|
bpno = cblk->numbps - 1;
|
|
passtype = 2;
|
|
|
|
mqc_reset_enc(mqc);
|
|
mqc_init_enc(mqc, cblk->data);
|
|
|
|
for (passno = 0; bpno >= 0; passno++) {
|
|
opj_tcd_pass_t *pass = &cblk->passes[passno];
|
|
int correction = 3;
|
|
double tmpwmsedec;
|
|
type = ((bpno < (cblk->numbps - 4)) && (passtype < 2) && (cblksty & J3D_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
|
|
//fprintf(stdout,"passno %d passtype %d w %d h %d l %d bpno %d orient %d type %d cblksty %d\n",passno,passtype,w,h,l,bpno,orient,type,cblksty);
|
|
|
|
switch (passtype) {
|
|
case 0:
|
|
t1_enc_sigpass(t1, w, h, l, bpno, orient, &nmsedec, type, cblksty);
|
|
break;
|
|
case 1:
|
|
t1_enc_refpass(t1, w, h, l, bpno, &nmsedec, type, cblksty);
|
|
break;
|
|
case 2:
|
|
//fprintf(stdout,"w %d h %d l %d bpno %d orient %d \n",w,h,l,bpno,orient);
|
|
t1_enc_clnpass(t1, w, h, l, bpno, orient, &nmsedec, cblksty);
|
|
/* code switch SEGMARK (i.e. SEGSYM) */
|
|
if (cblksty & J3D_CCP_CBLKSTY_SEGSYM)
|
|
mqc_segmark_enc(mqc);
|
|
break;
|
|
}
|
|
|
|
/* fixed_quality */
|
|
tmpwmsedec = t1_getwmsedec(nmsedec, compno, level, orient, bpno, stepsize, numcomps, dwtid);
|
|
cumwmsedec += tmpwmsedec;
|
|
tile->distotile += tmpwmsedec;
|
|
|
|
/* Code switch "RESTART" (i.e. TERMALL) */
|
|
if ((cblksty & J3D_CCP_CBLKSTY_TERMALL) && !((passtype == 2) && (bpno - 1 < 0))) {
|
|
if (type == T1_TYPE_RAW) {
|
|
mqc_flush(mqc);
|
|
correction = 1;
|
|
/* correction = mqc_bypass_flush_enc(); */
|
|
} else { /* correction = mqc_restart_enc(); */
|
|
mqc_flush(mqc);
|
|
correction = 1;
|
|
}
|
|
pass->term = 1;
|
|
} else {
|
|
if (((bpno < (cblk->numbps - 4) && (passtype > 0))
|
|
|| ((bpno == (cblk->numbps - 4)) && (passtype == 2))) && (cblksty & J3D_CCP_CBLKSTY_LAZY)) {
|
|
if (type == T1_TYPE_RAW) {
|
|
mqc_flush(mqc);
|
|
correction = 1;
|
|
/* correction = mqc_bypass_flush_enc(); */
|
|
} else { /* correction = mqc_restart_enc(); */
|
|
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 < (cblk->numbps - 4)) && (passtype < 2) && (cblksty & J3D_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
|
|
if (type == T1_TYPE_RAW)
|
|
mqc_bypass_init_enc(mqc);
|
|
else
|
|
mqc_restart_init_enc(mqc);
|
|
}
|
|
|
|
pass->distortiondec = cumwmsedec;
|
|
pass->rate = mqc_numbytes(mqc) + correction; /* FIXME */
|
|
pass->len = pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate);
|
|
|
|
/* Code-switch "RESET" */
|
|
if (cblksty & J3D_CCP_CBLKSTY_RESET)
|
|
mqc_reset_enc(mqc);
|
|
}
|
|
|
|
/* Code switch "ERTERM" (i.e. PTERM) */
|
|
if (cblksty & J3D_CCP_CBLKSTY_PTERM)
|
|
mqc_erterm_enc(mqc);
|
|
else /* Default coding */ if (!(cblksty & J3D_CCP_CBLKSTY_LAZY))
|
|
mqc_flush(mqc);
|
|
|
|
cblk->totalpasses = passno;
|
|
}
|
|
|
|
static void t1_decode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int roishift, int cblksty) {
|
|
int i, j, k, w, h, l;
|
|
int bpno, passtype;
|
|
int segno, passno;
|
|
char type = T1_TYPE_MQ; /* BYPASS mode */
|
|
|
|
opj_raw_t *raw = t1->raw; /* RAW component */
|
|
opj_mqc_t *mqc = t1->mqc; /* MQC component */
|
|
|
|
w = cblk->x1 - cblk->x0;
|
|
h = cblk->y1 - cblk->y0;
|
|
l = cblk->z1 - cblk->z0;
|
|
|
|
for (k = 0; k < l; k++) {
|
|
for (j = 0; j < h; j++) {
|
|
for (i = 0; i < w; i++) {
|
|
t1->data[k][j][i] = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (k = 0; k <= l; k++) {
|
|
for (j = 0; j <= h; j++) {
|
|
for (i = 0; i <= w; i++) {
|
|
t1->flags[k][j][i] = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
bpno = roishift + cblk->numbps - 1;
|
|
passtype = 2;
|
|
|
|
mqc_reset_enc(mqc);
|
|
|
|
for (segno = 0; segno < cblk->numsegs; segno++) {
|
|
opj_tcd_seg_t *seg = &cblk->segs[segno];
|
|
|
|
/* BYPASS mode */
|
|
type = ((bpno <= (cblk->numbps - 1) - 4) && (passtype < 2) && (cblksty & J3D_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
|
|
if (type == T1_TYPE_RAW) {
|
|
raw_init_dec(raw, seg->data, seg->len);
|
|
} else {
|
|
mqc_init_dec(mqc, seg->data, seg->len);
|
|
}
|
|
|
|
for (passno = 0; passno < seg->numpasses; passno++) {
|
|
switch (passtype) {
|
|
case 0:
|
|
t1_dec_sigpass(t1, w, h, l, bpno+1, orient, type, cblksty);
|
|
break;
|
|
case 1:
|
|
t1_dec_refpass(t1, w, h, l, bpno+1, type, cblksty);
|
|
break;
|
|
case 2:
|
|
t1_dec_clnpass(t1, w, h, l, bpno+1, orient, cblksty);
|
|
break;
|
|
}
|
|
|
|
if ((cblksty & J3D_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) {
|
|
mqc_reset_enc(mqc);
|
|
}
|
|
if (++passtype == 3) {
|
|
passtype = 0;
|
|
bpno--;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static int t1_init_ctxno_zc(int f, int orient) {
|
|
int h, v, d, n, t, hv;
|
|
n = 0;
|
|
h = ((f & T1_SIG_W) != 0) + ((f & T1_SIG_E) != 0);
|
|
v = ((f & T1_SIG_N) != 0) + ((f & T1_SIG_S) != 0);
|
|
d = ((f & T1_SIG_NW) != 0) + ((f & T1_SIG_NE) != 0) + ((f & T1_SIG_SE) != 0) + ((f & T1_SIG_SW) != 0);
|
|
|
|
switch (orient) {
|
|
case 2:
|
|
t = h;
|
|
h = v;
|
|
v = t;
|
|
case 0:
|
|
case 1:
|
|
if (!h) {
|
|
if (!v) {
|
|
if (!d)
|
|
n = 0;
|
|
else if (d == 1)
|
|
n = 1;
|
|
else
|
|
n = 2;
|
|
} else if (v == 1) {
|
|
n = 3;
|
|
} else {
|
|
n = 4;
|
|
}
|
|
} else if (h == 1) {
|
|
if (!v) {
|
|
if (!d)
|
|
n = 5;
|
|
else
|
|
n = 6;
|
|
} else {
|
|
n = 7;
|
|
}
|
|
} else
|
|
n = 8;
|
|
break;
|
|
case 3:
|
|
hv = h + v;
|
|
if (!d) {
|
|
if (!hv) {
|
|
n = 0;
|
|
} else if (hv == 1) {
|
|
n = 1;
|
|
} else {
|
|
n = 2;
|
|
}
|
|
} else if (d == 1) {
|
|
if (!hv) {
|
|
n = 3;
|
|
} else if (hv == 1) {
|
|
n = 4;
|
|
} else {
|
|
n = 5;
|
|
}
|
|
} else if (d == 2) {
|
|
if (!hv) {
|
|
n = 6;
|
|
} else {
|
|
n = 7;
|
|
}
|
|
} else {
|
|
n = 8;
|
|
}
|
|
break;
|
|
}
|
|
|
|
return (T1_CTXNO_ZC + n);
|
|
}
|
|
|
|
static int t1_init_ctxno_sc(int f) {
|
|
int hc, vc, n;
|
|
n = 0;
|
|
|
|
hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
|
|
T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),
|
|
1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
|
|
(T1_SIG_E | T1_SGN_E)) +
|
|
((f & (T1_SIG_W | T1_SGN_W)) ==
|
|
(T1_SIG_W | T1_SGN_W)), 1);
|
|
|
|
vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
|
|
T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),
|
|
1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
|
|
(T1_SIG_N | T1_SGN_N)) +
|
|
((f & (T1_SIG_S | T1_SGN_S)) ==
|
|
(T1_SIG_S | T1_SGN_S)), 1);
|
|
|
|
if (hc < 0) {
|
|
hc = -hc;
|
|
vc = -vc;
|
|
}
|
|
if (!hc) {
|
|
if (vc == -1)
|
|
n = 1;
|
|
else if (!vc)
|
|
n = 0;
|
|
else
|
|
n = 1;
|
|
} else if (hc == 1) {
|
|
if (vc == -1)
|
|
n = 2;
|
|
else if (!vc)
|
|
n = 3;
|
|
else
|
|
n = 4;
|
|
}
|
|
|
|
return (T1_CTXNO_SC + n);
|
|
}
|
|
|
|
static int t1_init_ctxno_mag(int f) {
|
|
int n;
|
|
if (!(f & T1_REFINE))
|
|
n = (f & (T1_SIG_OTH)) ? 1 : 0;
|
|
else
|
|
n = 2;
|
|
|
|
return (T1_CTXNO_MAG + n);
|
|
}
|
|
|
|
static int t1_init_spb(int f) {
|
|
int hc, vc, n;
|
|
|
|
hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
|
|
T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),
|
|
1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
|
|
(T1_SIG_E | T1_SGN_E)) +
|
|
((f & (T1_SIG_W | T1_SGN_W)) ==
|
|
(T1_SIG_W | T1_SGN_W)), 1);
|
|
|
|
vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
|
|
T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),
|
|
1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
|
|
(T1_SIG_N | T1_SGN_N)) +
|
|
((f & (T1_SIG_S | T1_SGN_S)) ==
|
|
(T1_SIG_S | T1_SGN_S)), 1);
|
|
|
|
if (!hc && !vc)
|
|
n = 0;
|
|
else
|
|
n = (!(hc > 0 || (!hc && vc > 0)));
|
|
|
|
return n;
|
|
}
|
|
|
|
static void t1_init_luts(opj_t1_t *t1) {
|
|
int i, j;
|
|
double u, v, t;
|
|
for (j = 0; j < 4; j++) {
|
|
for (i = 0; i < 256; ++i) {
|
|
t1->lut_ctxno_zc[(j << 8) | i] = t1_init_ctxno_zc(i, j);
|
|
}
|
|
}
|
|
for (i = 0; i < 256; i++) {
|
|
t1->lut_ctxno_sc[i] = t1_init_ctxno_sc(i << 4);
|
|
}
|
|
for (j = 0; j < 2; j++) {
|
|
for (i = 0; i < 2048; ++i) {
|
|
t1->lut_ctxno_mag[(j << 11) + i] = t1_init_ctxno_mag((j ? T1_REFINE : 0) | i);
|
|
}
|
|
}
|
|
for (i = 0; i < 256; ++i) {
|
|
t1->lut_spb[i] = t1_init_spb(i << 4);
|
|
}
|
|
/* FIXME FIXME FIXME */
|
|
/* fprintf(stdout,"nmsedec luts:\n"); */
|
|
for (i = 0; i < (1 << T1_NMSEDEC_BITS); i++) {
|
|
t = i / pow(2, T1_NMSEDEC_FRACBITS);
|
|
u = t;
|
|
v = t - 1.5;
|
|
t1->lut_nmsedec_sig[i] =
|
|
int_max(0,
|
|
(int) (floor((u * u - v * v) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
|
|
t1->lut_nmsedec_sig0[i] =
|
|
int_max(0,
|
|
(int) (floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
|
|
u = t - 1.0;
|
|
if (i & (1 << (T1_NMSEDEC_BITS - 1))) {
|
|
v = t - 1.5;
|
|
} else {
|
|
v = t - 0.5;
|
|
}
|
|
t1->lut_nmsedec_ref[i] =
|
|
int_max(0,
|
|
(int) (floor((u * u - v * v) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
|
|
t1->lut_nmsedec_ref0[i] =
|
|
int_max(0,
|
|
(int) (floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
|
|
}
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
opj_t1_t* t1_create(opj_common_ptr cinfo) {
|
|
opj_t1_t *t1 = (opj_t1_t*)opj_malloc(sizeof(opj_t1_t));
|
|
if(t1) {
|
|
t1->cinfo = cinfo;
|
|
/* create MQC and RAW handles */
|
|
t1->mqc = mqc_create();
|
|
t1->raw = raw_create();
|
|
/* initialize the look-up tables of the Tier-1 coder/decoder */
|
|
t1_init_luts(t1);
|
|
}
|
|
return t1;
|
|
}
|
|
|
|
void t1_destroy(opj_t1_t *t1) {
|
|
if(t1) {
|
|
/* destroy MQC and RAW handles */
|
|
mqc_destroy(t1->mqc);
|
|
raw_destroy(t1->raw);
|
|
//opj_free(t1->data);
|
|
//opj_free(t1->flags);
|
|
opj_free(t1);
|
|
}
|
|
}
|
|
|
|
void t1_encode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp) {
|
|
int compno, resno, bandno, precno, cblkno;
|
|
int x, y, z, i, j, k, orient;
|
|
int n=0;
|
|
int level[3];
|
|
FILE *fid = NULL;
|
|
// char filename[10];
|
|
tile->distotile = 0; /* fixed_quality */
|
|
|
|
for (compno = 0; compno < tile->numcomps; compno++) {
|
|
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
|
|
|
|
for (resno = 0; resno < tilec->numresolution[0]; resno++) {
|
|
opj_tcd_resolution_t *res = &tilec->resolutions[resno];
|
|
|
|
/* Weighted first order entropy
|
|
sprintf(filename,"res%d.txt",resno);
|
|
if ((fid = fopen(filename,"w")) == 0){
|
|
fprintf(stdout,"Error while opening %s\n", filename);
|
|
exit(1);
|
|
}
|
|
*/
|
|
for (bandno = 0; bandno < res->numbands; bandno++) {
|
|
opj_tcd_band_t *band = &res->bands[bandno];
|
|
for (precno = 0; precno < res->prctno[0] * res->prctno[1] * res->prctno[2]; precno++) {
|
|
opj_tcd_precinct_t *prc = &band->precincts[precno];
|
|
|
|
for (cblkno = 0; cblkno < prc->cblkno[0] * prc->cblkno[1] * prc->cblkno[2]; cblkno++) {
|
|
opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
|
|
|
|
//fprintf(stdout,"Precno %d Cblkno %d \n",precno,cblkno);
|
|
if (band->bandno == 0) {
|
|
x = cblk->x0 - band->x0;
|
|
y = cblk->y0 - band->y0;
|
|
z = cblk->z0 - band->z0;
|
|
} else if (band->bandno == 1) {
|
|
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
|
|
x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
|
|
y = cblk->y0 - band->y0;
|
|
z = cblk->z0 - band->z0;
|
|
} else if (band->bandno == 2) {
|
|
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
|
|
x = cblk->x0 - band->x0;
|
|
y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
|
|
z = cblk->z0 - band->z0;
|
|
} else if (band->bandno == 3) {
|
|
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
|
|
x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
|
|
y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
|
|
z = cblk->z0 - band->z0;
|
|
} else if (band->bandno == 4) {
|
|
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
|
|
x = cblk->x0 - band->x0;
|
|
y = cblk->y0 - band->y0;
|
|
z = pres->z1 - pres->z0 + cblk->z0 - band->z0;
|
|
} else if (band->bandno == 5) {
|
|
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
|
|
x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
|
|
y = cblk->y0 - band->y0;
|
|
z = pres->z1 - pres->z0 + cblk->z0 - band->z0;
|
|
} else if (band->bandno == 6) {
|
|
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
|
|
x = cblk->x0 - band->x0;
|
|
y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
|
|
z = pres->z1 - pres->z0 + cblk->z0 - band->z0;
|
|
} else if (band->bandno == 7) {
|
|
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
|
|
x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
|
|
y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
|
|
z = pres->z1 - pres->z0 + cblk->z0 - band->z0;
|
|
}
|
|
|
|
if (tcp->tccps[compno].reversible == 1) {
|
|
for (k = 0; k < cblk->z1 - cblk->z0; k++) {
|
|
for (j = 0; j < cblk->y1 - cblk->y0; j++) {
|
|
for (i = 0; i < cblk->x1 - cblk->x0; i++) {
|
|
t1->data[k][j][i] =
|
|
tilec->data[(x + i) + (y + j) * (tilec->x1 - tilec->x0) + (z + k) * (tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0)] << T1_NMSEDEC_FRACBITS;
|
|
//fprintf(fid," %d",t1->data[k][j][i]);
|
|
}
|
|
}
|
|
}
|
|
} else if (tcp->tccps[compno].reversible == 0) {
|
|
for (k = 0; k < cblk->z1 - cblk->z0; k++) {
|
|
for (j = 0; j < cblk->y1 - cblk->y0; j++) {
|
|
for (i = 0; i < cblk->x1 - cblk->x0; i++) {
|
|
t1->data[k][j][i] = fix_mul(
|
|
tilec->data[(x + i) + (y + j) * (tilec->x1 - tilec->x0) + (z + k) * (tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0)],
|
|
8192 * 8192 / ((int) floor(band->stepsize * 8192))) >> (13 - T1_NMSEDEC_FRACBITS);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
orient = band->bandno; /* FIXME */
|
|
if (orient == 2) {
|
|
orient = 1;
|
|
} else if (orient == 1) {
|
|
orient = 2;
|
|
}
|
|
for (i = 0; i < 3; i++)
|
|
level[i] = tilec->numresolution[i] - 1 - resno;
|
|
//fprintf(stdout,"t1_encode_cblk(t1, cblk, %d, %d, %d %d %d, %d, %f, %d, %d, tile);\n", orient, compno, level[0], level[1], level[2], tcp->tccps[compno].reversible, band->stepsize, tcp->tccps[compno].cblksty, tile->numcomps);
|
|
t1_encode_cblk(t1, cblk, orient, compno, level, tcp->tccps[compno].dwtid, band->stepsize, tcp->tccps[compno].cblksty, tile->numcomps, tile);
|
|
|
|
} /* cblkno */
|
|
} /* precno */
|
|
//fprintf(fid,"\n");
|
|
} /* bandno */
|
|
//fclose(fid);
|
|
} /* resno */
|
|
} /* compno */
|
|
}
|
|
|
|
void t1_decode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp) {
|
|
int compno, resno, bandno, precno, cblkno;
|
|
|
|
for (compno = 0; compno < tile->numcomps; compno++) {
|
|
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
|
|
|
|
for (resno = 0; resno < tilec->numresolution[0]; resno++) {
|
|
opj_tcd_resolution_t *res = &tilec->resolutions[resno];
|
|
|
|
for (bandno = 0; bandno < res->numbands; bandno++) {
|
|
opj_tcd_band_t *band = &res->bands[bandno];
|
|
|
|
for (precno = 0; precno < res->prctno[0] * res->prctno[1] * res->prctno[2]; precno++) {
|
|
opj_tcd_precinct_t *prc = &band->precincts[precno];
|
|
|
|
for (cblkno = 0; cblkno < prc->cblkno[0] * prc->cblkno[1] * prc->cblkno[2]; cblkno++) {
|
|
int x, y, k, i, j, z, orient;
|
|
opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
|
|
|
|
orient = band->bandno; /* FIXME */
|
|
if (orient == 2) {
|
|
orient = 1;
|
|
} else if (orient == 1) {
|
|
orient = 2;
|
|
}
|
|
|
|
t1_decode_cblk(t1, cblk, orient, tcp->tccps[compno].roishift, tcp->tccps[compno].cblksty);
|
|
|
|
if (band->bandno == 0) {
|
|
x = cblk->x0 - band->x0;
|
|
y = cblk->y0 - band->y0;
|
|
z = cblk->z0 - band->z0;
|
|
} else if (band->bandno == 1) {
|
|
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
|
|
x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
|
|
y = cblk->y0 - band->y0;
|
|
z = cblk->z0 - band->z0;
|
|
} else if (band->bandno == 2) {
|
|
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
|
|
x = cblk->x0 - band->x0;
|
|
y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
|
|
z = cblk->z0 - band->z0;
|
|
} else if (band->bandno == 3) {
|
|
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
|
|
x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
|
|
y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
|
|
z = cblk->z0 - band->z0;
|
|
} else if (band->bandno == 4) {
|
|
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
|
|
x = cblk->x0 - band->x0;
|
|
y = cblk->y0 - band->y0;
|
|
z = pres->z1 - pres->z0 + cblk->z0 - band->z0;
|
|
} else if (band->bandno == 5) {
|
|
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
|
|
x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
|
|
y = cblk->y0 - band->y0;
|
|
z = pres->z1 - pres->z0 + cblk->z0 - band->z0;
|
|
} else if (band->bandno == 6) {
|
|
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
|
|
x = cblk->x0 - band->x0;
|
|
y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
|
|
z = pres->z1 - pres->z0 + cblk->z0 - band->z0;
|
|
} else if (band->bandno == 7) {
|
|
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
|
|
x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
|
|
y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
|
|
z = pres->z1 - pres->z0 + cblk->z0 - band->z0;
|
|
}
|
|
|
|
if (tcp->tccps[compno].roishift) {
|
|
int thresh, val, mag;
|
|
thresh = 1 << tcp->tccps[compno].roishift;
|
|
for (k = 0; k < cblk->z1 - cblk->z0; k++) {
|
|
for (j = 0; j < cblk->y1 - cblk->y0; j++) {
|
|
for (i = 0; i < cblk->x1 - cblk->x0; i++) {
|
|
val = t1->data[k][j][i];
|
|
mag = int_abs(val);
|
|
if (mag >= thresh) {
|
|
mag >>= tcp->tccps[compno].roishift;
|
|
t1->data[k][j][i] = val < 0 ? -mag : mag;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (tcp->tccps[compno].reversible == 1) {
|
|
for (k = 0; k < cblk->z1 - cblk->z0; k++) {
|
|
for (j = 0; j < cblk->y1 - cblk->y0; j++) {
|
|
for (i = 0; i < cblk->x1 - cblk->x0; i++) {
|
|
int tmp = t1->data[k][j][i];
|
|
tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0) + (z + k) * (tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0)] = tmp/2;
|
|
}
|
|
}
|
|
}
|
|
} else { /* if (tcp->tccps[compno].reversible == 0) */
|
|
for (k = 0; k < cblk->z1 - cblk->z0; k++) {
|
|
for (j = 0; j < cblk->y1 - cblk->y0; j++) {
|
|
for (i = 0; i < cblk->x1 - cblk->x0; i++) {
|
|
double tmp = (double)(t1->data[k][j][i] * band->stepsize * 4096.0);
|
|
if (t1->data[k][j][i] >> 1 == 0) {
|
|
tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0) + (z + k) * (tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0)] = 0;
|
|
} else {
|
|
int tmp2 = ((int) (floor(fabs(tmp)))) + ((int) floor(fabs(tmp*2))%2);
|
|
tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0) + (z + k) * (tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0)] = ((tmp<0)?-tmp2:tmp2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} /* cblkno */
|
|
} /* precno */
|
|
} /* bandno */
|
|
} /* resno */
|
|
} /* compno */
|
|
}
|
|
|
|
|
|
/** mod fixed_quality */
|
|
double t1_getwmsedec(int nmsedec, int compno, int level[3], int orient, int bpno, double stepsize, int numcomps, int dwtid[3]) {
|
|
double w1, w2, wmsedec;
|
|
|
|
if (dwtid[0] == 1 || dwtid[1] == 1 || dwtid[2] == 1) {
|
|
w1 = (numcomps > 1) ? mct_getnorm_real(compno) : 1;
|
|
} else {
|
|
w1 = (numcomps > 1) ? mct_getnorm(compno) : 1;
|
|
}
|
|
w2 = dwt_getnorm(orient, level, dwtid);
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//fprintf(stdout,"nmsedec %d level %d %d %d orient %d bpno %d stepsize %f \n",nmsedec ,level[0],level[1],level[2],orient,bpno,stepsize);
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wmsedec = w1 * w2 * stepsize * (1 << bpno);
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wmsedec *= wmsedec * nmsedec / 8192.0;
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return wmsedec;
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}
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/** mod fixed_quality */
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