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openjpeg/src/lib/openjp2/t1.c

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/*
* The copyright in this software is being made available under the 2-clauses
* BSD License, included below. This software may be subject to other third
* party and contributor rights, including patent rights, and no such rights
* are granted under this license.
*
* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2014, Professor Benoit Macq
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2007, Francois-Olivier Devaux
* Copyright (c) 2003-2014, Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2007, Callum Lerwick <seg@haxxed.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "opj_includes.h"
#include "t1_luts.h"
/* #define CONSISTENCY_CHECK */
/** @defgroup T1 T1 - Implementation of the tier-1 coding */
/*@{*/
/** @name Local static functions */
/*@{*/
static INLINE OPJ_BYTE opj_t1_getctxno_zc(opj_mqc_t *mqc, OPJ_UINT32 f);
static OPJ_BYTE opj_t1_getctxno_sc(OPJ_UINT32 f);
static INLINE OPJ_UINT32 opj_t1_getctxno_mag(OPJ_UINT32 f);
static OPJ_BYTE opj_t1_getspb(OPJ_UINT32 f);
static OPJ_INT16 opj_t1_getnmsedec_sig(OPJ_UINT32 x, OPJ_UINT32 bitpos);
static OPJ_INT16 opj_t1_getnmsedec_ref(OPJ_UINT32 x, OPJ_UINT32 bitpos);
static INLINE void opj_t1_updateflags(opj_flag_t *flagsp, OPJ_UINT32 s, OPJ_UINT32 stride);
/**
Encode significant pass
*/
static void opj_t1_enc_sigpass_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);
/**
Decode significant pass
*/
#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);
#endif
static INLINE void opj_t1_dec_sigpass_step_raw(
opj_t1_t *t1,
opj_flag_t *flagsp,
opj_colflag_t* colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_INT32 vsc,
OPJ_UINT32 row);
static INLINE void opj_t1_dec_sigpass_step_mqc(
opj_t1_t *t1,
opj_flag_t *flagsp,
opj_colflag_t* colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_UINT32 row,
OPJ_UINT32 flags_stride);
static INLINE void opj_t1_dec_sigpass_step_mqc_vsc(
opj_t1_t *t1,
opj_flag_t *flagsp,
opj_colflag_t* colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_INT32 vsc,
OPJ_UINT32 row);
/**
Encode significant pass
*/
static void opj_t1_enc_sigpass( opj_t1_t *t1,
OPJ_INT32 bpno,
OPJ_INT32 *nmsedec,
OPJ_BYTE type,
OPJ_UINT32 cblksty);
/**
Decode significant pass
*/
static void opj_t1_dec_sigpass_raw(
opj_t1_t *t1,
OPJ_INT32 bpno,
OPJ_INT32 cblksty);
static void opj_t1_dec_sigpass_mqc_vsc(
opj_t1_t *t1,
OPJ_INT32 bpno);
/**
Encode refinement pass
*/
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);
/**
Encode refinement pass
*/
static void opj_t1_enc_refpass( opj_t1_t *t1,
OPJ_INT32 bpno,
OPJ_INT32 *nmsedec,
OPJ_BYTE type,
OPJ_UINT32 cblksty);
/**
Decode refinement pass
*/
static void opj_t1_dec_refpass_raw(
opj_t1_t *t1,
OPJ_INT32 bpno);
static void opj_t1_dec_refpass_mqc_vsc(
opj_t1_t *t1,
OPJ_INT32 bpno);
/**
Decode refinement pass
*/
#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);
#endif
static INLINE void opj_t1_dec_refpass_step_raw(
opj_t1_t *t1,
opj_colflag_t *colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 poshalf,
OPJ_INT32 neghalf,
OPJ_UINT32 row);
static INLINE void opj_t1_dec_refpass_step_mqc(
opj_t1_t *t1,
opj_flag_t *flagsp,
opj_colflag_t *colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 poshalf,
OPJ_INT32 neghalf,
OPJ_UINT32 row);
static INLINE void opj_t1_dec_refpass_step_mqc_vsc(
opj_t1_t *t1,
opj_flag_t *flagsp,
opj_colflag_t *colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 poshalf,
OPJ_INT32 neghalf,
OPJ_INT32 vsc,
OPJ_UINT32 row);
/**
Encode clean-up pass
*/
static void opj_t1_enc_clnpass_step(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 bpno,
OPJ_INT32 one,
OPJ_INT32 *nmsedec,
OPJ_UINT32 partial,
OPJ_UINT32 vsc);
/**
Decode clean-up pass
*/
static void opj_t1_dec_clnpass_step_partial(
opj_t1_t *t1,
opj_flag_t *flagsp,
opj_colflag_t *colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_UINT32 row);
static void opj_t1_dec_clnpass_step(
opj_t1_t *t1,
opj_flag_t *flagsp,
opj_colflag_t *colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_UINT32 row);
static void opj_t1_dec_clnpass_step_vsc(
opj_t1_t *t1,
opj_flag_t *flagsp,
opj_colflag_t *colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_INT32 partial,
OPJ_INT32 vsc,
OPJ_UINT32 row);
/**
Encode clean-up pass
*/
static void opj_t1_enc_clnpass(
opj_t1_t *t1,
OPJ_INT32 bpno,
OPJ_INT32 *nmsedec,
OPJ_UINT32 cblksty);
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);
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);
/**
Decode 1 code-block
@param t1 T1 handle
@param cblk Code-block coding parameters
@param orient
@param roishift Region of interest shifting value
@param cblksty Code-block style
*/
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);
static OPJ_BOOL opj_t1_allocate_buffers( opj_t1_t *t1,
OPJ_UINT32 w,
OPJ_UINT32 h);
/*@}*/
/*@}*/
/* ----------------------------------------------------------------------- */
static OPJ_BYTE opj_t1_getctxno_zc(opj_mqc_t *mqc, OPJ_UINT32 f) {
return mqc->lut_ctxno_zc_orient[(f & T1_SIG_OTH)];
}
static OPJ_BYTE opj_t1_getctxno_sc(OPJ_UINT32 f) {
return lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
}
static OPJ_UINT32 opj_t1_getctxno_mag(OPJ_UINT32 f) {
OPJ_UINT32 tmp1 = (f & T1_SIG_OTH) ? T1_CTXNO_MAG + 1 : T1_CTXNO_MAG;
OPJ_UINT32 tmp2 = (f & T1_REFINE) ? T1_CTXNO_MAG + 2 : tmp1;
return (tmp2);
}
static OPJ_BYTE opj_t1_getspb(OPJ_UINT32 f) {
return lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
}
static OPJ_INT16 opj_t1_getnmsedec_sig(OPJ_UINT32 x, OPJ_UINT32 bitpos) {
if (bitpos > 0) {
return lut_nmsedec_sig[(x >> (bitpos)) & ((1 << T1_NMSEDEC_BITS) - 1)];
}
return lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
}
static OPJ_INT16 opj_t1_getnmsedec_ref(OPJ_UINT32 x, OPJ_UINT32 bitpos) {
if (bitpos > 0) {
return lut_nmsedec_ref[(x >> (bitpos)) & ((1 << T1_NMSEDEC_BITS) - 1)];
}
return lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
}
static INLINE void opj_t1_updateflags(opj_flag_t *flagsp, OPJ_UINT32 s, OPJ_UINT32 stride) {
opj_flag_t *np = flagsp - stride;
opj_flag_t *sp = flagsp + stride;
/* We strongly rely on (T1_SGN_N == 0x0100) == (T1_SIG_N == 0x0010) << 4 */
/* and T1_SIG_E == T1_SIG_N << 1, T1_SIG_W == T1_SIG_N << 2 and T1_SIG_S == T1_SIG_N << 2 */
/* and T1_SGN_E == T1_SGN_N << 1, T1_SGN_W == T1_SGN_N << 2 and T1_SGN_S == T1_SGN_N << 2 */
unsigned int flag_N = T1_SIG_N | ((unsigned int)T1_SIG_N << (4U * s));
np[-1] |= T1_SIG_SE;
np[0] |= (opj_flag_t)(flag_N << 2U);
np[1] |= T1_SIG_SW;
flagsp[-1] |= (opj_flag_t)(flag_N << 1U);
flagsp[0] |= T1_SIG;
flagsp[1] |= (opj_flag_t)(flag_N << 3U);
sp[-1] |= T1_SIG_NE;
sp[0] |= (opj_flag_t)flag_N;
sp[1] |= T1_SIG_NW;
}
static INLINE void opj_t1_updateflagscolflags(opj_flag_t *flagsp, opj_colflag_t *colflagsp, OPJ_UINT32 s, OPJ_UINT32 stride, OPJ_UINT32 row)
{
opj_t1_updateflags(flagsp, s, stride);
if( row == 0U )
{
*colflagsp |= (opj_colflag_t)((T1_COLFLAG_SIG_ROW_0 << (T1_COLFLAG_RBS * row)) |
(T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * (row+1U))));
*(colflagsp - 1) |= (opj_colflag_t)((T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * row)) |
(T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * (row+1U))));
*(colflagsp + 1) |= (opj_colflag_t)((T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * row)) |
(T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * (row+1U))));
*(colflagsp - stride - 1) |= (T1_COLFLAG_SIG_OTHER_ROW_3);
*(colflagsp - stride) |= (T1_COLFLAG_SIG_OTHER_ROW_3);
*(colflagsp - stride + 1) |= (T1_COLFLAG_SIG_OTHER_ROW_3);
}
else if( row == 3U )
{
*colflagsp |= (opj_colflag_t)((T1_COLFLAG_SIG_ROW_0 << (T1_COLFLAG_RBS * row)) |
(T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * (row-1U))));
*(colflagsp - 1) |= (opj_colflag_t)((T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * row)) |
(T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * (row-1U))));
*(colflagsp + 1) |= (opj_colflag_t)((T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * row)) |
(T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS* (row-1))));
*(colflagsp + stride - 1) |= (T1_COLFLAG_SIG_OTHER_ROW_0);
*(colflagsp + stride) |= (T1_COLFLAG_SIG_OTHER_ROW_0);
*(colflagsp + stride + 1) |= (T1_COLFLAG_SIG_OTHER_ROW_0);
}
else
{
*(colflagsp - 1) |= (opj_colflag_t)((T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * row)) |
(T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * (row-1U))) |
(T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * (row+1U))));
*colflagsp |= (opj_colflag_t)((T1_COLFLAG_SIG_ROW_0 << (T1_COLFLAG_RBS * row)) |
(T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * (row-1U))) |
(T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * (row+1U))));
*(colflagsp + 1) |= (opj_colflag_t)((T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * row)) |
(T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * (row-1U))) |
(T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * (row+1U))));
}
}
static void opj_t1_enc_sigpass_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_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
v = (opj_int_abs(*datap) & one) ? 1 : 0;
opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(mqc, 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);
}
if (v) {
v = *datap < 0 ? 1 : 0;
*nmsedec += opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap), (OPJ_UINT32)(bpno));
opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(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 ^ opj_t1_getspb((OPJ_UINT32)flag)));
}
opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
}
*flagsp |= T1_VISIT;
}
}
static INLINE void opj_t1_dec_sigpass_step_raw(
opj_t1_t *t1,
opj_flag_t *flagsp,
opj_colflag_t* colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_INT32 vsc,
OPJ_UINT32 row)
{
OPJ_UINT32 v, 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_OTH) && !(*colflagsp & ((T1_COLFLAG_SIG_ROW_0 | T1_COLFLAG_VISIT_ROW_0) << (T1_COLFLAG_RBS * row)))) {
if (opj_raw_decode(raw)) {
v = opj_raw_decode(raw); /* ESSAI */
*datap = v ? -oneplushalf : oneplushalf;
opj_t1_updateflagscolflags(flagsp, colflagsp, v, t1->flags_stride, row);
}
#ifdef CONSISTENCY_CHECK
*flagsp |= T1_VISIT;
#endif
*colflagsp |= (opj_colflag_t)(T1_COLFLAG_VISIT_ROW_0 << (T1_COLFLAG_RBS * row));
}
}
static INLINE void opj_t1_dec_sigpass_step_mqc(
opj_t1_t *t1,
opj_flag_t *flagsp,
opj_colflag_t* colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_UINT32 row,
OPJ_UINT32 flags_stride)
{
OPJ_INT32 v, flag;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
#ifdef CONSISTENCY_CHECK
assert( ((*flagsp & T1_SIG_OTH) && !(*flagsp & (T1_SIG | T1_VISIT))) ==
((*colflagsp & ((T1_COLFLAG_SIG_ROW_0 | T1_COLFLAG_VISIT_ROW_0 | T1_COLFLAG_SIG_OTHER_ROW_0) << (T1_COLFLAG_RBS * row))) ==
(T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * row))) );
#endif
if( (*colflagsp & ((T1_COLFLAG_SIG_ROW_0 | T1_COLFLAG_VISIT_ROW_0 | T1_COLFLAG_SIG_OTHER_ROW_0) << (T1_COLFLAG_RBS * row))) ==
(T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * row)) ) {
flag = *flagsp;
opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(mqc, (OPJ_UINT32)flag));
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_updateflagscolflags(flagsp, colflagsp, (OPJ_UINT32)v, flags_stride, row);
}
#ifdef CONSISTENCY_CHECK
*flagsp |= T1_VISIT;
#endif
*colflagsp |= (opj_colflag_t)(T1_COLFLAG_VISIT_ROW_0 << (T1_COLFLAG_RBS * row));
}
} /* VSC and BYPASS by Antonin */
static INLINE void opj_t1_dec_sigpass_step_mqc_vsc(
opj_t1_t *t1,
opj_flag_t *flagsp,
opj_colflag_t* colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_INT32 vsc,
OPJ_UINT32 row)
{
OPJ_UINT32 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 ((flag & T1_SIG_OTH) && !(*colflagsp & ((T1_COLFLAG_SIG_ROW_0 | T1_COLFLAG_VISIT_ROW_0) << (T1_COLFLAG_RBS * row)))) {
opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(mqc, flag));
if (opj_mqc_decode(mqc)) {
opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(flag));
v = (OPJ_UINT32)opj_mqc_decode(mqc) ^ opj_t1_getspb(flag);
*datap = v ? -oneplushalf : oneplushalf;
opj_t1_updateflagscolflags(flagsp, colflagsp, v, t1->flags_stride, row);
}
#ifdef CONSISTENCY_CHECK
*flagsp |= T1_VISIT;
#endif
*colflagsp |= (opj_colflag_t)(T1_COLFLAG_VISIT_ROW_0 << (T1_COLFLAG_RBS * row));
}
} /* VSC and BYPASS by Antonin */
static void opj_t1_enc_sigpass(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_sigpass_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_sigpass_raw(
opj_t1_t *t1,
OPJ_INT32 bpno,
OPJ_INT32 cblksty)
{
OPJ_INT32 one, half, oneplushalf, vsc;
OPJ_UINT32 i, j, k;
opj_colflag_t *colflags1 = &t1->colflags[t1->flags_stride + 1];
one = 1 << bpno;
half = one >> 1;
oneplushalf = one | half;
for (k = 0; k < t1->h; k += 4) {
for (i = 0; i < t1->w; ++i) {
opj_colflag_t *colflags2 = colflags1 + 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],
colflags2,
&t1->data[(j * t1->w) + i],
oneplushalf,
vsc,
j - k);
}
}
colflags1 += t1->flags_stride;
}
} /* VSC and BYPASS by Antonin */
#define opj_t1_dec_sigpass_mqc_internal(t1, bpno, w, h, flags_stride) \
{ \
OPJ_INT32 one, half, oneplushalf; \
OPJ_UINT32 i, j, k; \
OPJ_INT32 *data1 = t1->data; \
opj_flag_t *flags1 = &t1->flags[1]; \
opj_colflag_t *colflags1 = &t1->colflags[flags_stride + 1]; \
one = 1 << bpno; \
half = one >> 1; \
oneplushalf = one | half; \
for (k = 0; k < (h & ~3u); k += 4) { \
for (i = 0; i < w; ++i) { \
OPJ_INT32 *data2 = data1 + i; \
opj_flag_t *flags2 = flags1 + i; \
opj_colflag_t *colflags2 = colflags1 + i; \
if( *colflags2 == 0 ) continue; \
flags2 += flags_stride; \
opj_t1_dec_sigpass_step_mqc(t1, flags2, colflags2, data2, oneplushalf, 0U, flags_stride); \
data2 += w; \
flags2 += flags_stride; \
opj_t1_dec_sigpass_step_mqc(t1, flags2, colflags2, data2, oneplushalf, 1U, flags_stride); \
data2 += w; \
flags2 += flags_stride; \
opj_t1_dec_sigpass_step_mqc(t1, flags2, colflags2, data2, oneplushalf, 2U, flags_stride); \
data2 += w; \
flags2 += flags_stride; \
opj_t1_dec_sigpass_step_mqc(t1, flags2, colflags2, data2, oneplushalf, 3U, flags_stride); \
data2 += w; \
} \
data1 += w << 2; \
flags1 += flags_stride << 2; \
colflags1 += flags_stride; \
} \
for (i = 0; i < w; ++i) { \
OPJ_INT32 *data2 = data1 + i; \
opj_flag_t *flags2 = flags1 + i; \
opj_colflag_t *colflags2 = colflags1 + i; \
for (j = k; j < h; ++j) { \
flags2 += flags_stride; \
opj_t1_dec_sigpass_step_mqc(t1, flags2, colflags2, data2, oneplushalf, j - k, flags_stride); \
data2 += w; \
} \
} \
}
static void opj_t1_dec_sigpass_mqc_64x64(
opj_t1_t *t1,
OPJ_INT32 bpno)
{
opj_t1_dec_sigpass_mqc_internal(t1, bpno, 64, 64, 66);
}
static void opj_t1_dec_sigpass_mqc_generic(
opj_t1_t *t1,
OPJ_INT32 bpno)
{
opj_t1_dec_sigpass_mqc_internal(t1, bpno, t1->w, t1->h, t1->flags_stride);
}
/* VSC and BYPASS by Antonin */
static void opj_t1_dec_sigpass_mqc_vsc(
opj_t1_t *t1,
OPJ_INT32 bpno)
{
OPJ_INT32 one, half, oneplushalf, vsc;
OPJ_UINT32 i, j, k;
OPJ_INT32 *data1 = t1->data;
opj_flag_t *flags1 = &t1->flags[1];
opj_colflag_t *colflags1 = &t1->colflags[t1->flags_stride + 1];
one = 1 << bpno;
half = one >> 1;
oneplushalf = one | half;
for (k = 0; k < (t1->h & ~(OPJ_UINT32)3); k += 4U) {
for (i = 0; i < t1->w; ++i) {
OPJ_INT32 *data2 = data1 + i;
opj_flag_t *flags2 = flags1 + i;
opj_colflag_t *colflags2 = colflags1 + i;
flags2 += t1->flags_stride;
opj_t1_dec_sigpass_step_mqc_vsc(t1, flags2, colflags2, data2, oneplushalf, 0, 0U);
data2 += t1->w;
flags2 += t1->flags_stride;
opj_t1_dec_sigpass_step_mqc_vsc(t1, flags2, colflags2, data2, oneplushalf, 0, 1U);
data2 += t1->w;
flags2 += t1->flags_stride;
opj_t1_dec_sigpass_step_mqc_vsc(t1, flags2, colflags2, data2, oneplushalf, 0, 2U);
data2 += t1->w;
flags2 += t1->flags_stride;
opj_t1_dec_sigpass_step_mqc_vsc(t1, flags2, colflags2, data2, oneplushalf, 1, 3U);
data2 += t1->w;
}
data1 += t1->w << 2;
flags1 += t1->flags_stride << 2;
colflags1 += t1->flags_stride;
}
for (i = 0; i < t1->w; ++i) {
opj_colflag_t *colflags2 = colflags1 + i;
for (j = k; j < t1->h; ++j) {
vsc = (j == t1->h - 1) ? 1 : 0;
opj_t1_dec_sigpass_step_mqc_vsc(
t1,
&t1->flags[((j+1) * t1->flags_stride) + i + 1],
colflags2,
&t1->data[(j * t1->w) + i],
oneplushalf,
vsc,
j - k);
}
}
} /* 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_colflag_t *colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 poshalf,
OPJ_INT32 neghalf,
OPJ_UINT32 row)
{
OPJ_INT32 v, t;
opj_raw_t *raw = t1->raw; /* RAW component */
if ((*colflagsp & ((T1_COLFLAG_SIG_ROW_0 | T1_COLFLAG_VISIT_ROW_0) << (T1_COLFLAG_RBS * row))) ==
((T1_COLFLAG_SIG_ROW_0) << (T1_COLFLAG_RBS * row))) {
v = (OPJ_INT32)opj_raw_decode(raw);
t = v ? poshalf : neghalf;
*datap += *datap < 0 ? -t : t;
*colflagsp |= (opj_colflag_t)(T1_COLFLAG_REFINE_ROW_0 << (T1_COLFLAG_RBS * row));
}
} /* VSC and BYPASS by Antonin */
static INLINE void opj_t1_dec_refpass_step_mqc(
opj_t1_t *t1,
#ifdef CONSISTENCY_CHECK
opj_flag_t *flagsp,
#else
opj_flag_t *flagsp_unused,
#endif
opj_colflag_t *colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 poshalf,
OPJ_INT32 neghalf,
OPJ_UINT32 row)
{
OPJ_INT32 v, t;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
#ifdef CONSISTENCY_CHECK
assert( ((*flagsp & (T1_SIG | T1_VISIT)) == T1_SIG) ==
((*colflagsp & ((T1_COLFLAG_SIG_ROW_0 | T1_COLFLAG_VISIT_ROW_0) << (T1_COLFLAG_RBS * row))) == ((T1_COLFLAG_SIG_ROW_0) << (T1_COLFLAG_RBS * row))) );
#else
(void)flagsp_unused;
#endif
if ((*colflagsp & ((T1_COLFLAG_SIG_ROW_0 | T1_COLFLAG_VISIT_ROW_0) << (T1_COLFLAG_RBS * row))) ==
((T1_COLFLAG_SIG_ROW_0) << (T1_COLFLAG_RBS * row))) {
OPJ_UINT32 tmp1 = (*colflagsp & (T1_COLFLAG_SIG_OTHER_ROW_0 << (T1_COLFLAG_RBS * row))) ? T1_CTXNO_MAG + 1 : T1_CTXNO_MAG;
OPJ_UINT32 tmp2 = (*colflagsp & (T1_COLFLAG_REFINE_ROW_0 << (T1_COLFLAG_RBS * row))) ? T1_CTXNO_MAG + 2 : tmp1;
opj_mqc_setcurctx(mqc, tmp2); /* ESSAI */
v = opj_mqc_decode(mqc);
t = v ? poshalf : neghalf;
*datap += *datap < 0 ? -t : t;
*colflagsp |= (opj_colflag_t)(T1_COLFLAG_REFINE_ROW_0 << (T1_COLFLAG_RBS * row));
}
} /* VSC and BYPASS by Antonin */
static INLINE void opj_t1_dec_refpass_step_mqc_vsc(
opj_t1_t *t1,
opj_flag_t *flagsp,
opj_colflag_t *colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 poshalf,
OPJ_INT32 neghalf,
OPJ_INT32 vsc,
OPJ_UINT32 row)
{
OPJ_UINT32 v;
OPJ_INT32 t;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
if ((*colflagsp & ((T1_COLFLAG_SIG_ROW_0 | T1_COLFLAG_VISIT_ROW_0) << (T1_COLFLAG_RBS * row))) ==
((T1_COLFLAG_SIG_ROW_0) << (T1_COLFLAG_RBS * row))) {
OPJ_UINT32 flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
OPJ_UINT32 tmp1 = (flag & T1_SIG_OTH) ? T1_CTXNO_MAG + 1 : T1_CTXNO_MAG;
OPJ_UINT32 tmp2 = (*colflagsp & (T1_COLFLAG_REFINE_ROW_0 << (T1_COLFLAG_RBS * row))) ? T1_CTXNO_MAG + 2U : tmp1;
opj_mqc_setcurctx(mqc, tmp2); /* ESSAI */
v = (OPJ_UINT32)opj_mqc_decode(mqc);
t = v ? poshalf : neghalf;
*datap += *datap < 0 ? -t : t;
*colflagsp |= (opj_colflag_t)(T1_COLFLAG_REFINE_ROW_0 << (T1_COLFLAG_RBS * row));
}
} /* 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 one, poshalf, neghalf;
OPJ_UINT32 i, j, k;
opj_colflag_t *colflags1 = &t1->colflags[t1->flags_stride + 1];
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) {
opj_colflag_t *colflags2 = colflags1 + i;
for (j = k; j < k + 4 && j < t1->h; ++j) {
opj_t1_dec_refpass_step_raw(
t1,
colflags2,
&t1->data[(j * t1->w) + i],
poshalf,
neghalf, j - k);
}
}
colflags1 += t1->flags_stride;
}
} /* VSC and BYPASS by Antonin */
#define opj_t1_dec_refpass_mqc_internal(t1, bpno, w, h, flags_stride) \
{ \
OPJ_INT32 one, poshalf, neghalf; \
OPJ_UINT32 i, j, k; \
OPJ_INT32 *data1 = t1->data; \
opj_flag_t *flags1 = &t1->flags[1]; \
opj_colflag_t *colflags1 = &t1->colflags[flags_stride + 1]; \
one = 1 << bpno; \
poshalf = one >> 1; \
neghalf = bpno > 0 ? -poshalf : -1; \
for (k = 0; k < (h & ~3u); k += 4) { \
for (i = 0; i < w; ++i) { \
OPJ_INT32 *data2 = data1 + i; \
opj_flag_t *flags2 = flags1 + i; \
opj_colflag_t *colflags2 = colflags1 + i; \
if( *colflags2 == 0 ) continue; \
flags2 += flags_stride; \
opj_t1_dec_refpass_step_mqc(t1, flags2, colflags2, data2, poshalf, neghalf, 0U); \
data2 += w; \
flags2 += flags_stride; \
opj_t1_dec_refpass_step_mqc(t1, flags2, colflags2, data2, poshalf, neghalf, 1U); \
data2 += w; \
flags2 += flags_stride; \
opj_t1_dec_refpass_step_mqc(t1, flags2, colflags2, data2, poshalf, neghalf, 2U); \
data2 += w; \
flags2 += flags_stride; \
opj_t1_dec_refpass_step_mqc(t1, flags2, colflags2, data2, poshalf, neghalf, 3U); \
data2 += w; \
} \
data1 += w << 2; \
flags1 += flags_stride << 2; \
colflags1 += flags_stride; \
} \
for (i = 0; i < w; ++i) { \
OPJ_INT32 *data2 = data1 + i; \
opj_flag_t *flags2 = flags1 + i; \
opj_colflag_t *colflags2 = colflags1 + i; \
for (j = k; j < h; ++j) { \
flags2 += flags_stride; \
opj_t1_dec_refpass_step_mqc(t1, flags2, colflags2, data2, poshalf, neghalf, j - k); \
data2 += w; \
} \
} \
}
static void opj_t1_dec_refpass_mqc_64x64(
opj_t1_t *t1,
OPJ_INT32 bpno)
{
opj_t1_dec_refpass_mqc_internal(t1, bpno, 64, 64, 66);
}
static void opj_t1_dec_refpass_mqc_generic(
opj_t1_t *t1,
OPJ_INT32 bpno)
{
opj_t1_dec_refpass_mqc_internal(t1, bpno, t1->w, t1->h, t1->flags_stride);
}
/* 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;
OPJ_INT32 *data1 = t1->data;
opj_flag_t *flags1 = &t1->flags[1];
opj_colflag_t *colflags1 = &t1->colflags[t1->flags_stride + 1];
one = 1 << bpno;
poshalf = one >> 1;
neghalf = bpno > 0 ? -poshalf : -1;
for (k = 0; k < (t1->h & ~(OPJ_UINT32)3U); k += 4U) {
for (i = 0; i < t1->w; ++i) {
OPJ_INT32 *data2 = data1 + i;
opj_flag_t *flags2 = flags1 + i;
opj_colflag_t *colflags2 = colflags1 + i;
flags2 += t1->flags_stride;
opj_t1_dec_refpass_step_mqc_vsc(t1, flags2, colflags2, data2, poshalf, neghalf, 0, 0U);
data2 += t1->w;
flags2 += t1->flags_stride;
opj_t1_dec_refpass_step_mqc_vsc(t1, flags2, colflags2, data2, poshalf, neghalf, 0, 1U);
data2 += t1->w;
flags2 += t1->flags_stride;
opj_t1_dec_refpass_step_mqc_vsc(t1, flags2, colflags2, data2, poshalf, neghalf, 0, 2U);
data2 += t1->w;
flags2 += t1->flags_stride;
opj_t1_dec_refpass_step_mqc_vsc(t1, flags2, colflags2, data2, poshalf, neghalf, 1, 3U);
data2 += t1->w;
}
data1 += t1->w << 2;
flags1 += t1->flags_stride << 2;
colflags1 += t1->flags_stride;
}
for (i = 0; i < t1->w; ++i) {
opj_colflag_t *colflags2 = colflags1 + i;
for (j = k; j < t1->h; ++j) {
vsc = (j == t1->h - 1) ? 1 : 0;
opj_t1_dec_refpass_step_mqc_vsc(
t1,
&t1->flags[((j+1) * t1->flags_stride) + i + 1],
colflags2,
&t1->data[(j * t1->w) + i],
poshalf, neghalf,
vsc,
j - k);
}
}
} /* VSC and BYPASS by Antonin */
static void opj_t1_enc_clnpass_step(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
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(mqc, flag));
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 &= (opj_flag_t)~T1_VISIT;
}
static void opj_t1_dec_clnpass_step_partial(
opj_t1_t *t1,
opj_flag_t *flagsp,
opj_colflag_t *colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_UINT32 row)
{
OPJ_INT32 v, flag;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
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_updateflagscolflags(flagsp, colflagsp, (OPJ_UINT32)v, t1->flags_stride, row);
#ifdef CONSISTENCY_CHECK
*flagsp &= ~T1_VISIT;
#endif
} /* VSC and BYPASS by Antonin */
static void opj_t1_dec_clnpass_step(
opj_t1_t *t1,
opj_flag_t *flagsp,
opj_colflag_t *colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_UINT32 row)
{
OPJ_INT32 v, flag;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
#ifdef CONSISTENCY_CHECK
assert( (!(*flagsp & (T1_SIG | T1_VISIT))) == (!(*colflagsp & ((T1_COLFLAG_SIG_ROW_0 | T1_COLFLAG_VISIT_ROW_0) << (4*row)))) );
#endif
if (!(*colflagsp & ((T1_COLFLAG_SIG_ROW_0 | T1_COLFLAG_VISIT_ROW_0) << (4*row)))) {
flag = *flagsp;
opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(mqc, (OPJ_UINT32)flag));
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_updateflagscolflags(flagsp, colflagsp, (OPJ_UINT32)v, t1->flags_stride, row);
}
}
#ifdef CONSISTENCY_CHECK
*flagsp &= ~T1_VISIT;
#endif
} /* VSC and BYPASS by Antonin */
static void opj_t1_dec_clnpass_step_only_if_flag_not_sig_visit(
opj_t1_t *t1,
opj_flag_t *flagsp,
opj_colflag_t *colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_UINT32 row,
OPJ_UINT32 flags_stride)
{
OPJ_INT32 v;
OPJ_INT32 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(mqc, (OPJ_UINT32)flag));
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_updateflagscolflags(flagsp, colflagsp, (OPJ_UINT32)v, flags_stride, row);
}
}
/*flagsp &= ~T1_VISIT;*/
}
static void opj_t1_dec_clnpass_step_vsc(
opj_t1_t *t1,
opj_flag_t *flagsp,
opj_colflag_t *colflagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_INT32 partial,
OPJ_INT32 vsc,
OPJ_UINT32 row)
{
OPJ_UINT32 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 (!(*colflagsp & ((T1_COLFLAG_SIG_ROW_0 | T1_COLFLAG_VISIT_ROW_0) << (T1_COLFLAG_RBS * row)))) {
opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(mqc, flag));
if (opj_mqc_decode(mqc)) {
LABEL_PARTIAL:
opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(flag));
v = (OPJ_UINT32)opj_mqc_decode(mqc) ^ opj_t1_getspb(flag);
*datap = v ? -oneplushalf : oneplushalf;
opj_t1_updateflagscolflags(flagsp, colflagsp, v, t1->flags_stride, row);
}
}
#ifdef CONSISTENCY_CHECK
*flagsp &= ~T1_VISIT;
#endif
}
static void opj_t1_enc_clnpass(
opj_t1_t *t1,
OPJ_INT32 bpno,
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],
bpno,
one,
nmsedec,
agg && (j == k + runlen),
vsc);
}
}
}
}
#define MACRO_t1_flags_internal(x,y,flags_stride) t1->flags[((x)*(flags_stride))+(y)]
#define opj_t1_dec_clnpass_internal(consistency_check, t1, bpno, cblksty, w, h, flags_stride) \
{ \
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) { \
opj_colflag_t *colflags1 = &t1->colflags[flags_stride + 1]; \
for (k = 0; k < h; k += 4) { \
for (i = 0; i < w; ++i) { \
opj_colflag_t *colflags2 = colflags1 + i; \
if (k + 3 < h) { \
agg = !((*colflags2 & (T1_COLFLAG_SIG_ROW_0 | T1_COLFLAG_VISIT_ROW_0 | T1_COLFLAG_SIG_OTHER_ROW_0 | \
T1_COLFLAG_SIG_ROW_1 | T1_COLFLAG_VISIT_ROW_1 | T1_COLFLAG_SIG_OTHER_ROW_1 | \
T1_COLFLAG_SIG_ROW_2 | T1_COLFLAG_VISIT_ROW_2 | T1_COLFLAG_SIG_OTHER_ROW_2 | \
T1_COLFLAG_SIG_ROW_3 | T1_COLFLAG_VISIT_ROW_3)) || \
((MACRO_t1_flags_internal(1 + k + 3,1 + i,flags_stride) \
& ((~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (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 < h; ++j) { \
vsc = (j == k + 3 || j == h - 1) ? 1 : 0; \
opj_t1_dec_clnpass_step_vsc( \
t1, \
&t1->flags[((j+1) * flags_stride) + i + 1], \
colflags2, \
&t1->data[(j * w) + i], \
oneplushalf, \
agg && (j == k + (OPJ_UINT32)runlen), \
vsc, j - k); \
} \
*colflags2 &= (opj_colflag_t)~(T1_COLFLAG_VISIT_ROW_0 | T1_COLFLAG_VISIT_ROW_1 | T1_COLFLAG_VISIT_ROW_2 | T1_COLFLAG_VISIT_ROW_3); \
} \
colflags1 += flags_stride; \
} \
} else { \
OPJ_INT32 *data1 = t1->data; \
opj_flag_t *flags1 = &t1->flags[1]; \
opj_colflag_t *colflags1 = &t1->colflags[flags_stride + 1]; \
for (k = 0; k < (h & ~3u); k += 4) { \
for (i = 0; i < w; ++i) { \
OPJ_INT32 *data2 = data1 + i; \
opj_flag_t *flags2 = flags1 + i; \
opj_colflag_t *colflags2 = colflags1 + i; \
opj_colflag_t colflags = *colflags2; \
agg = !(colflags & (T1_COLFLAG_SIG_ROW_0 | T1_COLFLAG_VISIT_ROW_0 | T1_COLFLAG_SIG_OTHER_ROW_0 | \
T1_COLFLAG_SIG_ROW_1 | T1_COLFLAG_VISIT_ROW_1 | T1_COLFLAG_SIG_OTHER_ROW_1 | \
T1_COLFLAG_SIG_ROW_2 | T1_COLFLAG_VISIT_ROW_2 | T1_COLFLAG_SIG_OTHER_ROW_2 | \
T1_COLFLAG_SIG_ROW_3 | T1_COLFLAG_VISIT_ROW_3 | T1_COLFLAG_SIG_OTHER_ROW_3)); \
if( consistency_check ) { \
assert( agg == !((MACRO_t1_flags_internal(1 + k, 1 + i,flags_stride) | \
MACRO_t1_flags_internal(1 + k + 1, 1 + i,flags_stride) | \
MACRO_t1_flags_internal(1 + k + 2, 1 + i,flags_stride) | \
MACRO_t1_flags_internal(1 + k + 3, 1 + i,flags_stride)) & (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 * flags_stride; \
data2 += (OPJ_UINT32)runlen * w; \
for (j = (OPJ_UINT32)runlen; j < 4; ++j) { \
flags2 += flags_stride; \
if (j == (OPJ_UINT32)runlen) { \
opj_t1_dec_clnpass_step_partial(t1, flags2, colflags2, data2, oneplushalf, j); \
} else { \
opj_t1_dec_clnpass_step(t1, flags2, colflags2, data2, oneplushalf, j); \
} \
data2 += w; \
} \
} else { \
flags2 += flags_stride; \
if( consistency_check ) { assert( (!(colflags & (T1_COLFLAG_SIG_ROW_0 | T1_COLFLAG_VISIT_ROW_0))) == (!(*flags2 & (T1_SIG | T1_VISIT))) ); } \
if (!(colflags & (T1_COLFLAG_SIG_ROW_0 | T1_COLFLAG_VISIT_ROW_0))) {\
opj_t1_dec_clnpass_step_only_if_flag_not_sig_visit(t1, flags2, colflags2, data2, oneplushalf, 0U, flags_stride); \
} \
if( consistency_check ) *flags2 &= (opj_flag_t)~T1_VISIT; \
data2 += w; \
flags2 += flags_stride; \
if( consistency_check ) { assert( (!(colflags & (T1_COLFLAG_SIG_ROW_1 | T1_COLFLAG_VISIT_ROW_1))) == (!(*flags2 & (T1_SIG | T1_VISIT))) ); } \
if (!(colflags & (T1_COLFLAG_SIG_ROW_1 | T1_COLFLAG_VISIT_ROW_1))) {\
opj_t1_dec_clnpass_step_only_if_flag_not_sig_visit(t1, flags2, colflags2, data2, oneplushalf, 1U, flags_stride); \
} \
if( consistency_check ) *flags2 &= (opj_flag_t)~T1_VISIT; \
data2 += w; \
flags2 += flags_stride; \
if( consistency_check ) { assert( (!(colflags & (T1_COLFLAG_SIG_ROW_2 | T1_COLFLAG_VISIT_ROW_2))) == (!(*flags2 & (T1_SIG | T1_VISIT))) ); } \
if (!(colflags & (T1_COLFLAG_SIG_ROW_2 | T1_COLFLAG_VISIT_ROW_2))) {\
opj_t1_dec_clnpass_step_only_if_flag_not_sig_visit(t1, flags2, colflags2, data2, oneplushalf, 2U, flags_stride); \
} \
if( consistency_check ) *flags2 &= (opj_flag_t)~T1_VISIT; \
data2 += w; \
flags2 += flags_stride; \
if( consistency_check ) { assert( (!(colflags & (T1_COLFLAG_SIG_ROW_3 | T1_COLFLAG_VISIT_ROW_3))) == (!(*flags2 & (T1_SIG | T1_VISIT))) ); } \
if (!(colflags & (T1_COLFLAG_SIG_ROW_3 | T1_COLFLAG_VISIT_ROW_3))) {\
opj_t1_dec_clnpass_step_only_if_flag_not_sig_visit(t1, flags2, colflags2, data2, oneplushalf, 3U, flags_stride); \
} \
if( consistency_check ) *flags2 &= (opj_flag_t)~T1_VISIT; \
data2 += w; \
} \
*colflags2 &= (opj_colflag_t)~(T1_COLFLAG_VISIT_ROW_0 | T1_COLFLAG_VISIT_ROW_1 | T1_COLFLAG_VISIT_ROW_2 | T1_COLFLAG_VISIT_ROW_3); \
} \
data1 += w << 2; \
flags1 += flags_stride << 2; \
colflags1 += flags_stride; \
} \
for (i = 0; i < w; ++i) { \
OPJ_INT32 *data2 = data1 + i; \
opj_flag_t *flags2 = flags1 + i; \
opj_colflag_t *colflags2 = colflags1 + i; \
for (j = k; j < h; ++j) { \
flags2 += flags_stride; \
opj_t1_dec_clnpass_step(t1, flags2, colflags2, data2, oneplushalf, j - k); \
data2 += w; \
} \
*colflags2 &= (opj_colflag_t)~(T1_COLFLAG_VISIT_ROW_0 | T1_COLFLAG_VISIT_ROW_1 | T1_COLFLAG_VISIT_ROW_2 | T1_COLFLAG_VISIT_ROW_3); \
} \
} \
\
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 */
static void opj_t1_dec_clnpass_64x64(
opj_t1_t *t1,
OPJ_INT32 bpno,
OPJ_INT32 cblksty)
{
#ifdef CONSISTENCY_CHECK
opj_t1_dec_clnpass_internal(OPJ_TRUE, t1, bpno, cblksty, 64, 64, 66);
#else
opj_t1_dec_clnpass_internal(OPJ_FALSE, t1, bpno, cblksty, 64, 64, 66);
#endif
}
static void opj_t1_dec_clnpass_generic(
opj_t1_t *t1,
OPJ_INT32 bpno,
OPJ_INT32 cblksty)
{
#ifdef CONSISTENCY_CHECK
opj_t1_dec_clnpass_internal(OPJ_TRUE, t1, bpno, cblksty, t1->w, t1->h, t1->flags_stride);
#else
opj_t1_dec_clnpass_internal(OPJ_FALSE, t1, bpno, cblksty, t1->w, t1->h, t1->flags_stride);
#endif
}
/** 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)
{
/* encoder uses tile buffer, so no need to allocate */
if (!t1->encoder) {
size_t datasize;
#if (SIZE_MAX / 0xFFFFFFFFU) < 0xFFFFFFFFU /* UINT32_MAX */
/* Overflow check */
if ((w > 0U) && ((size_t)h > (SIZE_MAX / (size_t)w))) {
/* FIXME event manager error callback */
return OPJ_FALSE;
}
#endif
datasize = (size_t)w * h;
/* Overflow check */
if (datasize > (SIZE_MAX / sizeof(OPJ_INT32))) {
/* FIXME event manager error callback */
return OPJ_FALSE;
}
if(datasize > (size_t)t1->datasize){
opj_aligned_free(t1->data);
t1->data = (OPJ_INT32*) opj_aligned_malloc(datasize * sizeof(OPJ_INT32));
if(!t1->data){
/* FIXME event manager error callback */
return OPJ_FALSE;
}
#if SIZE_MAX > 0xFFFFFFFFU /* UINT32_MAX */
/* TODO remove this if t1->datasize type changes to size_t */
/* Overflow check */
if (datasize > (size_t)0xFFFFFFFFU /* UINT32_MAX */) {
/* FIXME event manager error callback */
return OPJ_FALSE;
}
#endif
t1->datasize = (OPJ_UINT32)datasize;
}
/* memset first arg is declared to never be null by gcc */
if (t1->data != NULL) {
memset(t1->data, 0, datasize * sizeof(OPJ_INT32));
}
}
{
size_t flagssize;
/* Overflow check */
if (w > (0xFFFFFFFFU /* UINT32_MAX */ - 2U)) {
/* FIXME event manager error callback */
return OPJ_FALSE;
}
t1->flags_stride = w + 2U; /* can't be 0U */
#if (SIZE_MAX - 3U) < 0xFFFFFFFFU /* UINT32_MAX */
/* Overflow check */
if (h > (0xFFFFFFFFU /* UINT32_MAX */ - 3U)) {
/* FIXME event manager error callback */
return OPJ_FALSE;
}
#endif
flagssize = (size_t)h + 3U;
/* Overflow check */
if (flagssize > (SIZE_MAX / (size_t)t1->flags_stride)) {
/* FIXME event manager error callback */
return OPJ_FALSE;
}
flagssize *= (size_t)t1->flags_stride;
if(flagssize > (size_t)t1->flagssize){
/* Overflow check */
if (flagssize > (SIZE_MAX / sizeof(opj_flag_t))) {
/* FIXME event manager error callback */
return OPJ_FALSE;
}
opj_aligned_free(t1->flags);
t1->flags = (opj_flag_t*) opj_aligned_malloc(flagssize * sizeof(opj_flag_t));
if(!t1->flags){
/* FIXME event manager error callback */
return OPJ_FALSE;
}
#if SIZE_MAX > 0xFFFFFFFFU /* UINT32_MAX */
/* TODO remove this if t1->flagssize type changes to size_t */
/* Overflow check */
if (flagssize > (size_t)0xFFFFFFFFU /* UINT32_MAX */) {
/* FIXME event manager error callback */
return OPJ_FALSE;
}
#endif
t1->flagssize = (OPJ_UINT32)flagssize;
}
memset(t1->flags, 0, flagssize * sizeof(opj_flag_t));
}
if (!t1->encoder) {
size_t colflags_size = ((((size_t)h + 3U) / 4U) + 2U); /* Can't overflow, h checked against UINT32_MAX - 3U */
/* Overflow check */
if (colflags_size > (SIZE_MAX / (size_t)t1->flags_stride)) {
/* FIXME event manager error callback */
return OPJ_FALSE;
}
colflags_size *= (size_t)t1->flags_stride;
if(colflags_size > (size_t)t1->colflags_size){
/* Overflow check */
if ((size_t)colflags_size > (SIZE_MAX / sizeof(opj_colflag_t))) {
/* FIXME event manager error callback */
return OPJ_FALSE;
}
opj_aligned_free(t1->colflags);
t1->colflags = (opj_colflag_t*) opj_aligned_malloc(colflags_size * sizeof(opj_colflag_t));
if(!t1->colflags){
/* FIXME event manager error callback */
return OPJ_FALSE;
}
#if SIZE_MAX > 0xFFFFFFFFU /* UINT32_MAX */
/* TODO remove this if t1->colflags_size type changes to size_t */
/* Overflow check */
if (colflags_size > (size_t)0xFFFFFFFFU /* UINT32_MAX */) {
/* FIXME event manager error callback */
return OPJ_FALSE;
}
#endif
t1->colflags_size = (OPJ_UINT32)colflags_size;
}
memset(t1->colflags, 0, colflags_size * sizeof(opj_colflag_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;
}
if (p_t1->colflags) {
opj_aligned_free(p_t1->colflags);
p_t1->colflags = 00;
}
opj_free(p_t1);
}
typedef struct
{
OPJ_UINT32 resno;
opj_tcd_cblk_dec_t* cblk;
opj_tcd_band_t* band;
opj_tcd_tilecomp_t* tilec;
opj_tccp_t* tccp;
volatile OPJ_BOOL* pret;
} opj_t1_cblk_decode_processing_job_t;
static void opj_t1_destroy_wrapper(void* t1)
{
opj_t1_destroy( (opj_t1_t*) t1 );
}
static void opj_t1_clbl_decode_processor(void* user_data, opj_tls_t* tls)
{
opj_tcd_cblk_dec_t* cblk;
opj_tcd_band_t* band;
opj_tcd_tilecomp_t* tilec;
opj_tccp_t* tccp;
OPJ_INT32* OPJ_RESTRICT datap;
OPJ_UINT32 cblk_w, cblk_h;
OPJ_INT32 x, y;
OPJ_UINT32 i, j;
opj_t1_cblk_decode_processing_job_t* job;
opj_t1_t* t1;
OPJ_UINT32 resno;
OPJ_UINT32 tile_w;
job = (opj_t1_cblk_decode_processing_job_t*) user_data;
resno = job->resno;
cblk = job->cblk;
band = job->band;
tilec = job->tilec;
tccp = job->tccp;
tile_w = (OPJ_UINT32)(tilec->x1 - tilec->x0);
if( !*(job->pret) )
{
opj_free(job);
return;
}
t1 = (opj_t1_t*) opj_tls_get(tls, OPJ_TLS_KEY_T1);
if( t1 == NULL )
{
t1 = opj_t1_create( OPJ_FALSE );
opj_tls_set( tls, OPJ_TLS_KEY_T1, t1, opj_t1_destroy_wrapper );
}
if (OPJ_FALSE == opj_t1_decode_cblk(
t1,
cblk,
band->bandno,
(OPJ_UINT32)tccp->roishift,
tccp->cblksty)) {
*(job->pret) = OPJ_FALSE;
opj_free(job);
return;
}
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* OPJ_RESTRICT tiledp = &tilec->data[(OPJ_UINT32)y * tile_w + (OPJ_UINT32)x];
for (j = 0; j < cblk_h; ++j) {
i = 0;
for (; i < (cblk_w & ~(OPJ_UINT32)3U); i += 4U) {
OPJ_INT32 tmp0 = datap[(j * cblk_w) + i + 0U];
OPJ_INT32 tmp1 = datap[(j * cblk_w) + i + 1U];
OPJ_INT32 tmp2 = datap[(j * cblk_w) + i + 2U];
OPJ_INT32 tmp3 = datap[(j * cblk_w) + i + 3U];
((OPJ_INT32*)tiledp)[(j * tile_w) + i + 0U] = tmp0 / 2;
((OPJ_INT32*)tiledp)[(j * tile_w) + i + 1U] = tmp1 / 2;
((OPJ_INT32*)tiledp)[(j * tile_w) + i + 2U] = tmp2 / 2;
((OPJ_INT32*)tiledp)[(j * tile_w) + i + 3U] = tmp3 / 2;
}
for (; 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* OPJ_RESTRICT tiledp = (OPJ_FLOAT32*) &tilec->data[(OPJ_UINT32)y * tile_w + (OPJ_UINT32)x];
for (j = 0; j < cblk_h; ++j) {
OPJ_FLOAT32* OPJ_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;
}
}
opj_free(job);
}
void opj_t1_decode_cblks( opj_thread_pool_t* tp,
volatile OPJ_BOOL* pret,
opj_tcd_tilecomp_t* tilec,
opj_tccp_t* tccp
)
{
OPJ_UINT32 resno, bandno, precno, cblkno;
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* OPJ_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_t1_cblk_decode_processing_job_t* job;
job = (opj_t1_cblk_decode_processing_job_t*) opj_calloc(1, sizeof(opj_t1_cblk_decode_processing_job_t));
if( !job )
{
*pret = OPJ_FALSE;
return;
}
job->resno = resno;
job->cblk = cblk;
job->band = band;
job->tilec = tilec;
job->tccp = tccp;
job->pret = pret;
opj_thread_pool_submit_job( tp, opj_t1_clbl_decode_processor, job );
if( !(*pret) )
return;
} /* cblkno */
} /* precno */
} /* bandno */
} /* resno */
return;
}
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 */
mqc->lut_ctxno_zc_orient = lut_ctxno_zc + orient * 256;
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;
}
}
if( t1->w == 64 && t1->h == 64 )
{
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)cblksty);
} else {
if (cblksty & J2K_CCP_CBLKSTY_VSC) {
opj_t1_dec_sigpass_mqc_vsc(t1, bpno_plus_one);
} else {
opj_t1_dec_sigpass_mqc_64x64(t1, bpno_plus_one);
}
}
break;
case 1:
if (type == T1_TYPE_RAW) {
opj_t1_dec_refpass_raw(t1, bpno_plus_one);
} else {
if (cblksty & J2K_CCP_CBLKSTY_VSC) {
opj_t1_dec_refpass_mqc_vsc(t1, bpno_plus_one);
} else {
opj_t1_dec_refpass_mqc_64x64(t1, bpno_plus_one);
}
}
break;
case 2:
opj_t1_dec_clnpass_64x64(t1, bpno_plus_one, (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--;
}
}
}
else
{
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)cblksty);
} else {
if (cblksty & J2K_CCP_CBLKSTY_VSC) {
opj_t1_dec_sigpass_mqc_vsc(t1, bpno_plus_one);
} else {
opj_t1_dec_sigpass_mqc_generic(t1, bpno_plus_one);
}
}
break;
case 1:
if (type == T1_TYPE_RAW) {
opj_t1_dec_refpass_raw(t1, bpno_plus_one);
} else {
if (cblksty & J2K_CCP_CBLKSTY_VSC) {
opj_t1_dec_refpass_mqc_vsc(t1, bpno_plus_one);
} else {
opj_t1_dec_refpass_mqc_generic(t1, bpno_plus_one);
}
}
break;
case 2:
opj_t1_dec_clnpass_generic(t1, bpno_plus_one, (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* OPJ_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* OPJ_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] *= (1 << 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;
mqc->lut_ctxno_zc_orient = lut_ctxno_zc + orient * 256;
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, &nmsedec, type, cblksty);
break;
case 1:
opj_t1_enc_refpass(t1, bpno, &nmsedec, type, cblksty);
break;
case 2:
opj_t1_enc_clnpass(t1, bpno, &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);*/
opj_mqc_bypass_flush_enc(mqc);
correction = 1;
} 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);*/
opj_mqc_bypass_flush_enc(mqc);
correction = 1;
} 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) {*/
if (pass->term && (bpno > 0 || (bpno == 0 && passtype < 2))) {
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
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