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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>
* Copyright (c) 2012, Carl Hetherington
* Copyright (c) 2017, IntoPIX SA <support@intopix.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "opj_includes.h"
#include "t1_luts.h"
/** @defgroup T1 T1 - Implementation of the tier-1 coding */
/*@{*/
#define T1_FLAGS(x, y) (t1->flags[x + 1 + ((y / 4) + 1) * (t1->w+2)])
#define opj_t1_setcurctx(curctx, ctxno) curctx = &(mqc)->ctxs[(OPJ_UINT32)(ctxno)]
/** @name Local static functions */
/*@{*/
static INLINE OPJ_BYTE opj_t1_getctxno_zc(opj_mqc_t *mqc, OPJ_UINT32 f);
static INLINE OPJ_UINT32 opj_t1_getctxno_mag(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_update_flags(opj_flag_t *flagsp, OPJ_UINT32 ci,
OPJ_UINT32 s, OPJ_UINT32 stride,
OPJ_UINT32 vsc);
/**
Decode significant pass
*/
static INLINE void opj_t1_dec_sigpass_step_raw(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_UINT32 vsc,
OPJ_UINT32 row);
static INLINE void opj_t1_dec_sigpass_step_mqc(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_UINT32 row,
OPJ_UINT32 flags_stride,
OPJ_UINT32 vsc);
/**
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);
/**
Encode refinement pass
*/
static void opj_t1_enc_refpass(opj_t1_t *t1,
OPJ_INT32 bpno,
OPJ_INT32 *nmsedec,
OPJ_BYTE type);
/**
Decode refinement pass
*/
static void opj_t1_dec_refpass_raw(
opj_t1_t *t1,
OPJ_INT32 bpno);
/**
Decode refinement pass
*/
static INLINE void opj_t1_dec_refpass_step_raw(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 poshalf,
OPJ_UINT32 row);
static INLINE void opj_t1_dec_refpass_step_mqc(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 poshalf,
OPJ_UINT32 row);
/**
Decode clean-up pass
*/
static void opj_t1_dec_clnpass_step(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_UINT32 row,
OPJ_UINT32 vsc);
/**
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
@param p_manager the event manager
@param p_manager_mutex mutex for the event manager
@param check_pterm whether PTERM correct termination should be checked
*/
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_event_mgr_t *p_manager,
opj_mutex_t* p_manager_mutex,
OPJ_BOOL check_pterm);
static OPJ_BOOL opj_t1_allocate_buffers(opj_t1_t *t1,
OPJ_UINT32 w,
OPJ_UINT32 h);
/*@}*/
/*@}*/
/* ----------------------------------------------------------------------- */
static INLINE OPJ_BYTE opj_t1_getctxno_zc(opj_mqc_t *mqc, OPJ_UINT32 f)
{
return mqc->lut_ctxno_zc_orient[(f & T1_SIGMA_NEIGHBOURS)];
}
static INLINE OPJ_UINT32 opj_t1_getctxtno_sc_or_spb_index(OPJ_UINT32 fX,
OPJ_UINT32 pfX,
OPJ_UINT32 nfX,
OPJ_UINT32 ci)
{
/*
0 pfX T1_CHI_THIS T1_LUT_SGN_W
1 tfX T1_SIGMA_1 T1_LUT_SIG_N
2 nfX T1_CHI_THIS T1_LUT_SGN_E
3 tfX T1_SIGMA_3 T1_LUT_SIG_W
4 fX T1_CHI_(THIS - 1) T1_LUT_SGN_N
5 tfX T1_SIGMA_5 T1_LUT_SIG_E
6 fX T1_CHI_(THIS + 1) T1_LUT_SGN_S
7 tfX T1_SIGMA_7 T1_LUT_SIG_S
*/
OPJ_UINT32 lu = (fX >> (ci * 3U)) & (T1_SIGMA_1 | T1_SIGMA_3 | T1_SIGMA_5 |
T1_SIGMA_7);
lu |= (pfX >> (T1_CHI_THIS_I + (ci * 3U))) & (1U << 0);
lu |= (nfX >> (T1_CHI_THIS_I - 2U + (ci * 3U))) & (1U << 2);
if (ci == 0U) {
lu |= (fX >> (T1_CHI_0_I - 4U)) & (1U << 4);
} else {
lu |= (fX >> (T1_CHI_1_I - 4U + ((ci - 1U) * 3U))) & (1U << 4);
}
lu |= (fX >> (T1_CHI_2_I - 6U + (ci * 3U))) & (1U << 6);
return lu;
}
static INLINE OPJ_BYTE opj_t1_getctxno_sc(OPJ_UINT32 lu)
{
return lut_ctxno_sc[lu];
}
static INLINE OPJ_UINT32 opj_t1_getctxno_mag(OPJ_UINT32 f)
{
OPJ_UINT32 tmp = (f & T1_SIGMA_NEIGHBOURS) ? T1_CTXNO_MAG + 1 : T1_CTXNO_MAG;
OPJ_UINT32 tmp2 = (f & T1_MU_0) ? T1_CTXNO_MAG + 2 : tmp;
return tmp2;
}
static INLINE OPJ_BYTE opj_t1_getspb(OPJ_UINT32 lu)
{
return lut_spb[lu];
}
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)];
}
#define opj_t1_update_flags_macro(flags, flagsp, ci, s, stride, vsc) \
{ \
/* east */ \
flagsp[-1] |= T1_SIGMA_5 << (3U * ci); \
\
/* mark target as significant */ \
flags |= ((s << T1_CHI_1_I) | T1_SIGMA_4) << (3U * ci); \
\
/* west */ \
flagsp[1] |= T1_SIGMA_3 << (3U * ci); \
\
/* north-west, north, north-east */ \
if (ci == 0U && !(vsc)) { \
opj_flag_t* north = flagsp - (stride); \
*north |= (s << T1_CHI_5_I) | T1_SIGMA_16; \
north[-1] |= T1_SIGMA_17; \
north[1] |= T1_SIGMA_15; \
} \
\
/* south-west, south, south-east */ \
if (ci == 3U) { \
opj_flag_t* south = flagsp + (stride); \
*south |= (s << T1_CHI_0_I) | T1_SIGMA_1; \
south[-1] |= T1_SIGMA_2; \
south[1] |= T1_SIGMA_0; \
} \
}
static INLINE void opj_t1_update_flags(opj_flag_t *flagsp, OPJ_UINT32 ci,
OPJ_UINT32 s, OPJ_UINT32 stride,
OPJ_UINT32 vsc)
{
opj_t1_update_flags_macro(*flagsp, flagsp, ci, s, stride, vsc);
}
/**
Encode significant pass
*/
static INLINE 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 ci,
OPJ_UINT32 vsc)
{
OPJ_UINT32 v;
opj_mqc_t *mqc = &(t1->mqc); /* MQC component */
OPJ_UINT32 const flags = *flagsp;
if ((flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U))) == 0U &&
(flags & (T1_SIGMA_NEIGHBOURS << (ci * 3U))) != 0U) {
OPJ_UINT32 ctxt1 = opj_t1_getctxno_zc(mqc, flags >> (ci * 3U));
v = opj_int_abs(*datap) & one ? 1 : 0;
#ifdef DEBUG_ENC_SIG
fprintf(stderr, " ctxt1=%d\n", ctxt1);
#endif
opj_mqc_setcurctx(mqc, ctxt1);
if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
opj_mqc_bypass_enc(mqc, v);
} else {
opj_mqc_encode(mqc, v);
}
if (v) {
OPJ_UINT32 lu = opj_t1_getctxtno_sc_or_spb_index(
*flagsp,
flagsp[-1], flagsp[1],
ci);
OPJ_UINT32 ctxt2 = opj_t1_getctxno_sc(lu);
v = *datap < 0 ? 1U : 0U;
*nmsedec += opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap),
(OPJ_UINT32)bpno);
#ifdef DEBUG_ENC_SIG
fprintf(stderr, " ctxt2=%d\n", ctxt2);
#endif
opj_mqc_setcurctx(mqc, ctxt2);
if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
opj_mqc_bypass_enc(mqc, v);
} else {
OPJ_UINT32 spb = opj_t1_getspb(lu);
#ifdef DEBUG_ENC_SIG
fprintf(stderr, " spb=%d\n", spb);
#endif
opj_mqc_encode(mqc, v ^ spb);
}
opj_t1_update_flags(flagsp, ci, v, t1->w + 2, vsc);
}
*flagsp |= T1_PI_THIS << (ci * 3U);
}
}
static INLINE void opj_t1_dec_sigpass_step_raw(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_UINT32 vsc,
OPJ_UINT32 ci)
{
OPJ_UINT32 v;
opj_mqc_t *mqc = &(t1->mqc); /* RAW component */
OPJ_UINT32 const flags = *flagsp;
if ((flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U))) == 0U &&
(flags & (T1_SIGMA_NEIGHBOURS << (ci * 3U))) != 0U) {
if (opj_mqc_raw_decode(mqc)) {
v = opj_mqc_raw_decode(mqc);
*datap = v ? -oneplushalf : oneplushalf;
opj_t1_update_flags(flagsp, ci, v, t1->w + 2, vsc);
}
*flagsp |= T1_PI_THIS << (ci * 3U);
}
}
#define opj_t1_dec_sigpass_step_mqc_macro(flags, flagsp, flags_stride, data, \
data_stride, ci, mqc, curctx, \
v, a, c, ct, oneplushalf, vsc) \
{ \
if ((flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U))) == 0U && \
(flags & (T1_SIGMA_NEIGHBOURS << (ci * 3U))) != 0U) { \
OPJ_UINT32 ctxt1 = opj_t1_getctxno_zc(mqc, flags >> (ci * 3U)); \
opj_t1_setcurctx(curctx, ctxt1); \
opj_mqc_decode_macro(v, mqc, curctx, a, c, ct); \
if (v) { \
OPJ_UINT32 lu = opj_t1_getctxtno_sc_or_spb_index( \
flags, \
flagsp[-1], flagsp[1], \
ci); \
OPJ_UINT32 ctxt2 = opj_t1_getctxno_sc(lu); \
OPJ_UINT32 spb = opj_t1_getspb(lu); \
opj_t1_setcurctx(curctx, ctxt2); \
opj_mqc_decode_macro(v, mqc, curctx, a, c, ct); \
v = v ^ spb; \
data[ci*data_stride] = v ? -oneplushalf : oneplushalf; \
opj_t1_update_flags_macro(flags, flagsp, ci, v, flags_stride, vsc); \
} \
flags |= T1_PI_THIS << (ci * 3U); \
} \
}
static INLINE void opj_t1_dec_sigpass_step_mqc(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_UINT32 ci,
OPJ_UINT32 flags_stride,
OPJ_UINT32 vsc)
{
OPJ_UINT32 v;
opj_mqc_t *mqc = &(t1->mqc); /* MQC component */
opj_t1_dec_sigpass_step_mqc_macro(*flagsp, flagsp, flags_stride, datap,
0, ci, mqc, mqc->curctx,
v, mqc->a, mqc->c, mqc->ct, oneplushalf, vsc);
}
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, k;
OPJ_INT32 const one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
opj_flag_t* f = &T1_FLAGS(0, 0);
OPJ_UINT32 const extra = 2;
*nmsedec = 0;
#ifdef DEBUG_ENC_SIG
fprintf(stderr, "enc_sigpass: bpno=%d\n", bpno);
#endif
for (k = 0; k < (t1->h & ~3U); k += 4) {
#ifdef DEBUG_ENC_SIG
fprintf(stderr, " k=%d\n", k);
#endif
for (i = 0; i < t1->w; ++i) {
#ifdef DEBUG_ENC_SIG
fprintf(stderr, " i=%d\n", i);
#endif
if (*f == 0U) {
/* Nothing to do for any of the 4 data points */
f++;
continue;
}
opj_t1_enc_sigpass_step(
t1,
f,
&t1->data[((k + 0) * t1->data_stride) + i],
bpno,
one,
nmsedec,
type,
0, cblksty & J2K_CCP_CBLKSTY_VSC);
opj_t1_enc_sigpass_step(
t1,
f,
&t1->data[((k + 1) * t1->data_stride) + i],
bpno,
one,
nmsedec,
type,
1, 0);
opj_t1_enc_sigpass_step(
t1,
f,
&t1->data[((k + 2) * t1->data_stride) + i],
bpno,
one,
nmsedec,
type,
2, 0);
opj_t1_enc_sigpass_step(
t1,
f,
&t1->data[((k + 3) * t1->data_stride) + i],
bpno,
one,
nmsedec,
type,
3, 0);
++f;
}
f += extra;
}
if (k < t1->h) {
OPJ_UINT32 j;
#ifdef DEBUG_ENC_SIG
fprintf(stderr, " k=%d\n", k);
#endif
for (i = 0; i < t1->w; ++i) {
#ifdef DEBUG_ENC_SIG
fprintf(stderr, " i=%d\n", i);
#endif
if (*f == 0U) {
/* Nothing to do for any of the 4 data points */
f++;
continue;
}
for (j = k; j < t1->h; ++j) {
opj_t1_enc_sigpass_step(
t1,
f,
&t1->data[(j * t1->data_stride) + i],
bpno,
one,
nmsedec,
type,
j - k,
(j == k && (cblksty & J2K_CCP_CBLKSTY_VSC) != 0));
}
++f;
}
}
}
static void opj_t1_dec_sigpass_raw(
opj_t1_t *t1,
OPJ_INT32 bpno,
OPJ_INT32 cblksty)
{
OPJ_INT32 one, half, oneplushalf;
OPJ_UINT32 i, j, k;
OPJ_INT32 *data = t1->data;
opj_flag_t *flagsp = &T1_FLAGS(0, 0);
const OPJ_UINT32 l_w = t1->w;
one = 1 << bpno;
half = one >> 1;
oneplushalf = one | half;
for (k = 0; k < (t1->h & ~3U); k += 4, flagsp += 2, data += 3 * l_w) {
for (i = 0; i < l_w; ++i, ++flagsp, ++data) {
opj_flag_t flags = *flagsp;
if (flags != 0) {
opj_t1_dec_sigpass_step_raw(
t1,
flagsp,
data,
oneplushalf,
cblksty & J2K_CCP_CBLKSTY_VSC, /* vsc */
0U);
opj_t1_dec_sigpass_step_raw(
t1,
flagsp,
data + l_w,
oneplushalf,
OPJ_FALSE, /* vsc */
1U);
opj_t1_dec_sigpass_step_raw(
t1,
flagsp,
data + 2 * l_w,
oneplushalf,
OPJ_FALSE, /* vsc */
2U);
opj_t1_dec_sigpass_step_raw(
t1,
flagsp,
data + 3 * l_w,
oneplushalf,
OPJ_FALSE, /* vsc */
3U);
}
}
}
if (k < t1->h) {
for (i = 0; i < l_w; ++i, ++flagsp, ++data) {
for (j = 0; j < t1->h - k; ++j) {
opj_t1_dec_sigpass_step_raw(
t1,
flagsp,
data + j * l_w,
oneplushalf,
cblksty & J2K_CCP_CBLKSTY_VSC, /* vsc */
j);
}
}
}
}
#define opj_t1_dec_sigpass_mqc_internal(t1, bpno, vsc, w, h, flags_stride) \
{ \
OPJ_INT32 one, half, oneplushalf; \
OPJ_UINT32 i, j, k; \
register OPJ_INT32 *data = t1->data; \
register opj_flag_t *flagsp = &t1->flags[(flags_stride) + 1]; \
const OPJ_UINT32 l_w = w; \
opj_mqc_t* mqc = &(t1->mqc); \
DOWNLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct); \
register OPJ_UINT32 v; \
one = 1 << bpno; \
half = one >> 1; \
oneplushalf = one | half; \
for (k = 0; k < (h & ~3u); k += 4, data += 3*l_w, flagsp += 2) { \
for (i = 0; i < l_w; ++i, ++data, ++flagsp) { \
opj_flag_t flags = *flagsp; \
if( flags != 0 ) { \
opj_t1_dec_sigpass_step_mqc_macro( \
flags, flagsp, flags_stride, data, \
l_w, 0, mqc, curctx, v, a, c, ct, oneplushalf, vsc); \
opj_t1_dec_sigpass_step_mqc_macro( \
flags, flagsp, flags_stride, data, \
l_w, 1, mqc, curctx, v, a, c, ct, oneplushalf, OPJ_FALSE); \
opj_t1_dec_sigpass_step_mqc_macro( \
flags, flagsp, flags_stride, data, \
l_w, 2, mqc, curctx, v, a, c, ct, oneplushalf, OPJ_FALSE); \
opj_t1_dec_sigpass_step_mqc_macro( \
flags, flagsp, flags_stride, data, \
l_w, 3, mqc, curctx, v, a, c, ct, oneplushalf, OPJ_FALSE); \
*flagsp = flags; \
} \
} \
} \
UPLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct); \
if( k < h ) { \
for (i = 0; i < l_w; ++i, ++data, ++flagsp) { \
for (j = 0; j < h - k; ++j) { \
opj_t1_dec_sigpass_step_mqc(t1, flagsp, \
data + j * l_w, oneplushalf, j, flags_stride, vsc); \
} \
} \
} \
}
static void opj_t1_dec_sigpass_mqc_64x64_novsc(
opj_t1_t *t1,
OPJ_INT32 bpno)
{
opj_t1_dec_sigpass_mqc_internal(t1, bpno, OPJ_FALSE, 64, 64, 66);
}
static void opj_t1_dec_sigpass_mqc_64x64_vsc(
opj_t1_t *t1,
OPJ_INT32 bpno)
{
opj_t1_dec_sigpass_mqc_internal(t1, bpno, OPJ_TRUE, 64, 64, 66);
}
static void opj_t1_dec_sigpass_mqc_generic_novsc(
opj_t1_t *t1,
OPJ_INT32 bpno)
{
opj_t1_dec_sigpass_mqc_internal(t1, bpno, OPJ_FALSE, t1->w, t1->h,
t1->w + 2U);
}
static void opj_t1_dec_sigpass_mqc_generic_vsc(
opj_t1_t *t1,
OPJ_INT32 bpno)
{
opj_t1_dec_sigpass_mqc_internal(t1, bpno, OPJ_TRUE, t1->w, t1->h,
t1->w + 2U);
}
static void opj_t1_dec_sigpass_mqc(
opj_t1_t *t1,
OPJ_INT32 bpno,
OPJ_INT32 cblksty)
{
if (t1->w == 64 && t1->h == 64) {
if (cblksty & J2K_CCP_CBLKSTY_VSC) {
opj_t1_dec_sigpass_mqc_64x64_vsc(t1, bpno);
} else {
opj_t1_dec_sigpass_mqc_64x64_novsc(t1, bpno);
}
} else {
if (cblksty & J2K_CCP_CBLKSTY_VSC) {
opj_t1_dec_sigpass_mqc_generic_vsc(t1, bpno);
} else {
opj_t1_dec_sigpass_mqc_generic_novsc(t1, bpno);
}
}
}
/**
Encode refinement pass step
*/
static INLINE 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 ci)
{
OPJ_UINT32 v;
opj_mqc_t *mqc = &(t1->mqc); /* MQC component */
OPJ_UINT32 const shift_flags =
(*flagsp >> (ci * 3U));
if ((shift_flags & (T1_SIGMA_THIS | T1_PI_THIS)) == T1_SIGMA_THIS) {
OPJ_UINT32 ctxt = opj_t1_getctxno_mag(shift_flags);
*nmsedec += opj_t1_getnmsedec_ref((OPJ_UINT32)opj_int_abs(*datap),
(OPJ_UINT32)bpno);
v = opj_int_abs(*datap) & one ? 1 : 0;
#ifdef DEBUG_ENC_REF
fprintf(stderr, " ctxt=%d\n", ctxt);
#endif
opj_mqc_setcurctx(mqc, ctxt);
if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
opj_mqc_bypass_enc(mqc, v);
} else {
opj_mqc_encode(mqc, v);
}
*flagsp |= T1_MU_THIS << (ci * 3U);
}
}
static INLINE void opj_t1_dec_refpass_step_raw(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 poshalf,
OPJ_UINT32 ci)
{
OPJ_UINT32 v;
opj_mqc_t *mqc = &(t1->mqc); /* RAW component */
if ((*flagsp & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U))) ==
(T1_SIGMA_THIS << (ci * 3U))) {
v = opj_mqc_raw_decode(mqc);
*datap += (v ^ (*datap < 0)) ? poshalf : -poshalf;
*flagsp |= T1_MU_THIS << (ci * 3U);
}
}
#define opj_t1_dec_refpass_step_mqc_macro(flags, data, data_stride, ci, \
mqc, curctx, v, a, c, ct, poshalf) \
{ \
if ((flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U))) == \
(T1_SIGMA_THIS << (ci * 3U))) { \
OPJ_UINT32 ctxt = opj_t1_getctxno_mag(flags >> (ci * 3U)); \
opj_t1_setcurctx(curctx, ctxt); \
opj_mqc_decode_macro(v, mqc, curctx, a, c, ct); \
data[ci*data_stride] += (v ^ (data[ci*data_stride] < 0)) ? poshalf : -poshalf; \
flags |= T1_MU_THIS << (ci * 3U); \
} \
}
static INLINE void opj_t1_dec_refpass_step_mqc(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 poshalf,
OPJ_UINT32 ci)
{
OPJ_UINT32 v;
opj_mqc_t *mqc = &(t1->mqc); /* MQC component */
opj_t1_dec_refpass_step_mqc_macro(*flagsp, datap, 0, ci,
mqc, mqc->curctx, v, mqc->a, mqc->c,
mqc->ct, poshalf);
}
static void opj_t1_enc_refpass(
opj_t1_t *t1,
OPJ_INT32 bpno,
OPJ_INT32 *nmsedec,
OPJ_BYTE type)
{
OPJ_UINT32 i, k;
const OPJ_INT32 one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
opj_flag_t* f = &T1_FLAGS(0, 0);
const OPJ_UINT32 extra = 2U;
*nmsedec = 0;
#ifdef DEBUG_ENC_REF
fprintf(stderr, "enc_refpass: bpno=%d\n", bpno);
#endif
for (k = 0; k < (t1->h & ~3U); k += 4) {
#ifdef DEBUG_ENC_REF
fprintf(stderr, " k=%d\n", k);
#endif
for (i = 0; i < t1->w; ++i) {
#ifdef DEBUG_ENC_REF
fprintf(stderr, " i=%d\n", i);
#endif
if ((*f & (T1_SIGMA_4 | T1_SIGMA_7 | T1_SIGMA_10 | T1_SIGMA_13)) == 0) {
/* none significant */
f++;
continue;
}
if ((*f & (T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3)) ==
(T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3)) {
/* all processed by sigpass */
f++;
continue;
}
opj_t1_enc_refpass_step(
t1,
f,
&t1->data[((k + 0) * t1->data_stride) + i],
bpno,
one,
nmsedec,
type,
0);
opj_t1_enc_refpass_step(
t1,
f,
&t1->data[((k + 1) * t1->data_stride) + i],
bpno,
one,
nmsedec,
type,
1);
opj_t1_enc_refpass_step(
t1,
f,
&t1->data[((k + 2) * t1->data_stride) + i],
bpno,
one,
nmsedec,
type,
2);
opj_t1_enc_refpass_step(
t1,
f,
&t1->data[((k + 3) * t1->data_stride) + i],
bpno,
one,
nmsedec,
type,
3);
++f;
}
f += extra;
}
if (k < t1->h) {
OPJ_UINT32 j;
#ifdef DEBUG_ENC_REF
fprintf(stderr, " k=%d\n", k);
#endif
for (i = 0; i < t1->w; ++i) {
#ifdef DEBUG_ENC_REF
fprintf(stderr, " i=%d\n", i);
#endif
if ((*f & (T1_SIGMA_4 | T1_SIGMA_7 | T1_SIGMA_10 | T1_SIGMA_13)) == 0) {
/* none significant */
f++;
continue;
}
for (j = k; j < t1->h; ++j) {
opj_t1_enc_refpass_step(
t1,
f,
&t1->data[(j * t1->data_stride) + i],
bpno,
one,
nmsedec,
type,
j - k);
}
++f;
}
}
}
static void opj_t1_dec_refpass_raw(
opj_t1_t *t1,
OPJ_INT32 bpno)
{
OPJ_INT32 one, poshalf;
OPJ_UINT32 i, j, k;
OPJ_INT32 *data = t1->data;
opj_flag_t *flagsp = &T1_FLAGS(0, 0);
const OPJ_UINT32 l_w = t1->w;
one = 1 << bpno;
poshalf = one >> 1;
for (k = 0; k < (t1->h & ~3U); k += 4, flagsp += 2, data += 3 * l_w) {
for (i = 0; i < l_w; ++i, ++flagsp, ++data) {
opj_flag_t flags = *flagsp;
if (flags != 0) {
opj_t1_dec_refpass_step_raw(
t1,
flagsp,
data,
poshalf,
0U);
opj_t1_dec_refpass_step_raw(
t1,
flagsp,
data + l_w,
poshalf,
1U);
opj_t1_dec_refpass_step_raw(
t1,
flagsp,
data + 2 * l_w,
poshalf,
2U);
opj_t1_dec_refpass_step_raw(
t1,
flagsp,
data + 3 * l_w,
poshalf,
3U);
}
}
}
if (k < t1->h) {
for (i = 0; i < l_w; ++i, ++flagsp, ++data) {
for (j = 0; j < t1->h - k; ++j) {
opj_t1_dec_refpass_step_raw(
t1,
flagsp,
data + j * l_w,
poshalf,
j);
}
}
}
}
#define opj_t1_dec_refpass_mqc_internal(t1, bpno, w, h, flags_stride) \
{ \
OPJ_INT32 one, poshalf; \
OPJ_UINT32 i, j, k; \
register OPJ_INT32 *data = t1->data; \
register opj_flag_t *flagsp = &t1->flags[flags_stride + 1]; \
const OPJ_UINT32 l_w = w; \
opj_mqc_t* mqc = &(t1->mqc); \
DOWNLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct); \
register OPJ_UINT32 v; \
one = 1 << bpno; \
poshalf = one >> 1; \
for (k = 0; k < (h & ~3u); k += 4, data += 3*l_w, flagsp += 2) { \
for (i = 0; i < l_w; ++i, ++data, ++flagsp) { \
opj_flag_t flags = *flagsp; \
if( flags != 0 ) { \
opj_t1_dec_refpass_step_mqc_macro( \
flags, data, l_w, 0, \
mqc, curctx, v, a, c, ct, poshalf); \
opj_t1_dec_refpass_step_mqc_macro( \
flags, data, l_w, 1, \
mqc, curctx, v, a, c, ct, poshalf); \
opj_t1_dec_refpass_step_mqc_macro( \
flags, data, l_w, 2, \
mqc, curctx, v, a, c, ct, poshalf); \
opj_t1_dec_refpass_step_mqc_macro( \
flags, data, l_w, 3, \
mqc, curctx, v, a, c, ct, poshalf); \
*flagsp = flags; \
} \
} \
} \
UPLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct); \
if( k < h ) { \
for (i = 0; i < l_w; ++i, ++data, ++flagsp) { \
for (j = 0; j < h - k; ++j) { \
opj_t1_dec_refpass_step_mqc(t1, flagsp, data + j * l_w, poshalf, j); \
} \
} \
} \
}
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,