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
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* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2007, Francois-Olivier Devaux
* Copyright (c) 2003-2014, Antonin Descampe
2007-01-15 10:55:40 +01:00
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2007, Callum Lerwick <seg@haxxed.com>
* Copyright (c) 2012, Carl Hetherington
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* Copyright (c) 2017, IntoPIX SA <support@intopix.com>
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* 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"
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/** @defgroup T1 T1 - Implementation of the tier-1 coding */
/*@{*/
#define T1_FLAGS(x, y) (t1->flags[x + 1 + ((y / 4) + 1) * (t1->w+2)])
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/** @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);
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/**
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_INT32 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);
static INLINE void opj_t1_dec_sigpass_step_mqc_vsc(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_INT32 vsc,
OPJ_UINT32 row);
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/**
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);
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/**
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
*/
static INLINE void opj_t1_dec_refpass_step_raw(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 poshalf,
OPJ_INT32 neghalf,
OPJ_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_INT32 neghalf,
OPJ_UINT32 row);
static INLINE void opj_t1_dec_refpass_step_mqc_vsc(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 poshalf,
OPJ_INT32 neghalf,
OPJ_INT32 vsc,
OPJ_UINT32 row);
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/**
Decode clean-up pass
*/
static void opj_t1_dec_clnpass_step_partial(
opj_t1_t *t1,
opj_flag_t *flagsp,
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_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_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_INT32 partial,
OPJ_INT32 vsc,
OPJ_UINT32 row);
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/**
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);
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/**
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);
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static OPJ_BOOL opj_t1_allocate_buffers(opj_t1_t *t1,
OPJ_UINT32 w,
OPJ_UINT32 h);
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/*@}*/
/*@}*/
/* ----------------------------------------------------------------------- */
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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];
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}
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)];
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}
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)];
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}
static INLINE void opj_t1_update_flags(opj_flag_t *flagsp, OPJ_UINT32 ci,
OPJ_UINT32 s, OPJ_UINT32 stride)
{
/* set up to point to the north and south data points' flags words, if required */
opj_flag_t* north;
opj_flag_t* south;
/* mark target as significant */
*flagsp |= T1_SIGMA_4 << (3U * ci);
/* north-west, north, north-east */
if (ci == 0U) {
north = flagsp - stride;
*north |= T1_SIGMA_16;
north[-1] |= T1_SIGMA_17;
north[1] |= T1_SIGMA_15;
}
/* south-west, south, south-east */
if (ci == 3U) {
south = flagsp + stride;
*south |= T1_SIGMA_1;
south[-1] |= T1_SIGMA_2;
south[1] |= T1_SIGMA_0;
}
/* east */
flagsp[-1] |= T1_SIGMA_5 << (3U * ci);
/* west */
flagsp[1] |= T1_SIGMA_3 << (3U * ci);
if (s) {
switch (ci) {
case 0U: {
*flagsp |= T1_CHI_1;
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north = flagsp - stride;
*north |= T1_CHI_5;
break;
}
case 1:
*flagsp |= T1_CHI_2;
break;
case 2:
*flagsp |= T1_CHI_3;
break;
case 3: {
*flagsp |= T1_CHI_4;
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south = flagsp + stride;
*south |= T1_CHI_0;
break;
}
}
}
}
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/**
Encode significant pass
*/
static INLINE void opj_t1_enc_sigpass_step(opj_t1_t *t1,
opj_flag_t *flagsp,
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OPJ_INT32 *datap,
OPJ_INT32 bpno,
OPJ_INT32 one,
OPJ_INT32 *nmsedec,
OPJ_BYTE type,
OPJ_UINT32 ci,
OPJ_UINT32 vsc
)
{
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OPJ_UINT32 v;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
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OPJ_UINT32 vsc_mask = vsc ? ~((T1_SIGMA_SW | T1_SIGMA_S | T1_SIGMA_SE |
T1_CHI_S) << (ci * 3U)) : ~0U;
OPJ_UINT32 const flags = *flagsp & vsc_mask;
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));
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v = opj_int_abs(*datap) & one ? 1 : 0;
#ifdef DEBUG_ENC_SIG
fprintf(stderr, " ctxt1=%d\n", ctxt1);
#endif
opj_mqc_setcurctx(mqc, ctxt1);
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if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
opj_mqc_bypass_enc(mqc, v);
} else {
opj_mqc_encode(mqc, v);
}
if (v) {
/* Note: using flags instead of *flagsp & vsc_mask result */
/* in slow down. Probably because of register pressure */
OPJ_UINT32 lu = opj_t1_getctxtno_sc_or_spb_index(
*flagsp & vsc_mask,
flagsp[-1] & vsc_mask, flagsp[1] & vsc_mask,
ci);
OPJ_UINT32 ctxt2 = opj_t1_getctxno_sc(lu);
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v = *datap < 0 ? 1 : 0;
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*nmsedec += opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap),
(OPJ_UINT32)bpno);
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#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);
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#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);
}
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*flagsp |= T1_PI_THIS << (ci * 3U);
}
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}
static INLINE void opj_t1_dec_sigpass_step_raw(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_INT32 vsc,
OPJ_UINT32 ci)
{
OPJ_UINT32 v;
opj_raw_t *raw = t1->raw; /* RAW component */
OPJ_UINT32 vsc_mask = vsc ? ~((T1_SIGMA_SW | T1_SIGMA_S | T1_SIGMA_SE |
T1_CHI_S) << (ci * 3U)) : ~0U;
OPJ_UINT32 const flags = *flagsp & vsc_mask;
if ((flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U))) == 0U &&
(flags & (T1_SIGMA_NEIGHBOURS << (ci * 3U))) != 0U) {
if (opj_raw_decode(raw)) {
v = opj_raw_decode(raw);
*datap = v ? -oneplushalf : oneplushalf;
opj_t1_update_flags(flagsp, ci, v, t1->w + 2);
}
*flagsp |= 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 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 lu = opj_t1_getctxtno_sc_or_spb_index(
*flagsp,
flagsp[-1], flagsp[1],
ci);
OPJ_UINT32 ctxt1 = opj_t1_getctxno_zc(mqc, flags >> (ci * 3U));
opj_mqc_setcurctx(mqc, ctxt1);
if (opj_mqc_decode(mqc)) {
OPJ_UINT32 ctxt2 = opj_t1_getctxno_sc(lu);
OPJ_UINT32 spb = opj_t1_getspb(lu);
opj_mqc_setcurctx(mqc, ctxt2);
v = opj_mqc_decode(mqc) ^ spb;
*datap = v ? -oneplushalf : oneplushalf;
opj_t1_update_flags(flagsp, ci, v, flags_stride);
}
*flagsp |= T1_PI_THIS << (ci * 3U);
}
}
static INLINE void opj_t1_dec_sigpass_step_mqc_vsc(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_INT32 vsc,
OPJ_UINT32 ci)
{
OPJ_UINT32 v;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
OPJ_UINT32 vsc_mask = vsc ? ~((T1_SIGMA_SW | T1_SIGMA_S | T1_SIGMA_SE |
T1_CHI_S) << (ci * 3U)) : ~0U;
OPJ_UINT32 const flags = *flagsp & vsc_mask;
if ((flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U))) == 0U &&
(flags & (T1_SIGMA_NEIGHBOURS << (ci * 3U))) != 0U) {
OPJ_UINT32 lu = opj_t1_getctxtno_sc_or_spb_index(
*flagsp & vsc_mask,
flagsp[-1] & vsc_mask, flagsp[1] & vsc_mask,
ci);
OPJ_UINT32 ctxt1 = opj_t1_getctxno_zc(mqc, flags >> (ci * 3U));
opj_mqc_setcurctx(mqc, ctxt1);
if (opj_mqc_decode(mqc)) {
OPJ_UINT32 ctxt2 = opj_t1_getctxno_sc(lu);
OPJ_UINT32 spb = opj_t1_getspb(lu);
opj_mqc_setcurctx(mqc, ctxt2);
v = opj_mqc_decode(mqc) ^ spb;
*datap = v ? -oneplushalf : oneplushalf;
opj_t1_update_flags(flagsp, ci, v, t1->w + 2);
}
*flagsp |= T1_PI_THIS << (ci * 3U);
}
}
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;
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#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) {
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#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,
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&t1->data[((k + 0) * t1->data_stride) + i],
bpno,
one,
nmsedec,
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type,
0, 0);
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, cblksty & J2K_CCP_CBLKSTY_VSC);
++f;
}
f += extra;
}
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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 == t1->h - 1 && (cblksty & J2K_CCP_CBLKSTY_VSC) != 0));
}
++f;
}
}
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}
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_flag_t *flagsp = &T1_FLAGS(0, 0);
one = 1 << bpno;
half = one >> 1;
oneplushalf = one | half;
if ((cblksty & J2K_CCP_CBLKSTY_VSC)) {
OPJ_INT32 *data1 = t1->data;
for (k = 0; k < t1->h; k += 4) {
for (i = 0; i < t1->w; ++i) {
OPJ_INT32* data2 = data1 + i;
for (j = k; j < k + 4 && j < t1->h; ++j) {
OPJ_INT32 vsc = (j == k + 3 || j == t1->h - 1) ? 1 : 0;
opj_t1_dec_sigpass_step_raw(
t1,
flagsp,
data2,
oneplushalf,
vsc,
j - k);
data2 += t1->w;
}
flagsp ++;
}
data1 += t1->w << 2;
flagsp += 2;
}
} else {
OPJ_INT32 *data1 = t1->data;
for (k = 0; k < (t1->h & ~3U); k += 4) {
for (i = 0; i < t1->w; ++i) {
OPJ_INT32* data2 = data1 + i;
opj_t1_dec_sigpass_step_raw(
t1,
flagsp,
data2,
oneplushalf,
0, /* vsc */
0U);
data2 += t1->w;
opj_t1_dec_sigpass_step_raw(
t1,
flagsp,
data2,
oneplushalf,
0, /* vsc */
1U);
data2 += t1->w;
opj_t1_dec_sigpass_step_raw(
t1,
flagsp,
data2,
oneplushalf,
0, /* vsc */
2U);
data2 += t1->w;
opj_t1_dec_sigpass_step_raw(
t1,
flagsp,
data2,
oneplushalf,
0, /* vsc */
3U);
data2 += t1->w;
flagsp ++;
}
data1 += t1->w << 2;
flagsp += 2;
}
if (k < t1->h) {
for (i = 0; i < t1->w; ++i) {
OPJ_INT32* data2 = data1 + i;
for (j = 0; j < t1->h - k; ++j) {
opj_t1_dec_sigpass_step_raw(
t1,
flagsp,
data2,
oneplushalf,
0, /* vsc */
j);
data2 += t1->w;
}
flagsp ++;
}
}
}
}
#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 *flagsp = &t1->flags[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; \
if( *flagsp != 0 ) { \
opj_t1_dec_sigpass_step_mqc(t1, flagsp, data2, oneplushalf, 0U, flags_stride); \
data2 += w; \
opj_t1_dec_sigpass_step_mqc(t1, flagsp, data2, oneplushalf, 1U, flags_stride); \
data2 += w; \
opj_t1_dec_sigpass_step_mqc(t1, flagsp, data2, oneplushalf, 2U, flags_stride); \
data2 += w; \
opj_t1_dec_sigpass_step_mqc(t1, flagsp, data2, oneplushalf, 3U, flags_stride); \
data2 += w; \
} \
flagsp ++; \
} \
data1 += w << 2; \
flagsp += 2; \
} \
for (i = 0; i < w; ++i) { \
OPJ_INT32 *data2 = data1 + i; \
for (j = k; j < h; ++j) { \
opj_t1_dec_sigpass_step_mqc(t1, flagsp, data2, oneplushalf, j - k, flags_stride); \
data2 += w; \
} \
flagsp ++; \
} \
}
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->w + 2);
}
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 *flagsp = &T1_FLAGS(0, 0);
one = 1 << bpno;
half = one >> 1;
oneplushalf = one | half;
for (k = 0; k < (t1->h & ~3U); k += 4U) {
for (i = 0; i < t1->w; ++i) {
OPJ_INT32 *data2 = data1 + i;
opj_t1_dec_sigpass_step_mqc_vsc(t1, flagsp, data2, oneplushalf, 0, 0U);
data2 += t1->w;
opj_t1_dec_sigpass_step_mqc_vsc(t1, flagsp, data2, oneplushalf, 0, 1U);
data2 += t1->w;
opj_t1_dec_sigpass_step_mqc_vsc(t1, flagsp, data2, oneplushalf, 0, 2U);
data2 += t1->w;
opj_t1_dec_sigpass_step_mqc_vsc(t1, flagsp, data2, oneplushalf, 1, 3U);
data2 += t1->w;
flagsp ++;
}
data1 += t1->w << 2;
flagsp += 2;
}
for (i = 0; i < t1->w; ++i) {
OPJ_INT32 *data2 = data1 + i;
for (j = k; j < t1->h; ++j) {
vsc = (j == t1->h - 1) ? 1 : 0;
opj_t1_dec_sigpass_step_mqc_vsc(
t1,
flagsp,
data2,
oneplushalf,
vsc,
j - k);
data2 += t1->w;
}
flagsp ++;
}
}
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/**
Encode refinement pass step
*/
static INLINE void opj_t1_enc_refpass_step(opj_t1_t *t1,
opj_flag_t *flagsp,
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OPJ_INT32 *datap,
OPJ_INT32 bpno,
OPJ_INT32 one,
OPJ_INT32 *nmsedec,
OPJ_BYTE type,
OPJ_UINT32 ci,
OPJ_UINT32 vsc)
{
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OPJ_UINT32 v;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
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OPJ_UINT32 const shift_flags =
vsc ?
((*flagsp >> (ci * 3U)) & ~(T1_SIGMA_SW | T1_SIGMA_S | T1_SIGMA_SE | T1_CHI_S))
:
(*flagsp >> (ci * 3U));
if ((shift_flags & (T1_SIGMA_THIS | T1_PI_THIS)) == T1_SIGMA_THIS) {
OPJ_UINT32 ctxt = opj_t1_getctxno_mag(shift_flags);
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*nmsedec += opj_t1_getnmsedec_ref((OPJ_UINT32)opj_int_abs(*datap),
(OPJ_UINT32)bpno);
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v = opj_int_abs(*datap) & one ? 1 : 0;
#ifdef DEBUG_ENC_REF
fprintf(stderr, " ctxt=%d\n", ctxt);
#endif
opj_mqc_setcurctx(mqc, ctxt);
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if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
opj_mqc_bypass_enc(mqc, v);
} else {
opj_mqc_encode(mqc, v);
}
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*flagsp |= T1_MU_THIS << (ci * 3U);
}
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}
static INLINE void opj_t1_dec_refpass_step_raw(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 poshalf,
OPJ_INT32 neghalf,
OPJ_UINT32 ci)
{
OPJ_UINT32 v;
OPJ_INT32 t;
opj_raw_t *raw = t1->raw; /* RAW component */
if ((*flagsp & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U))) ==
(T1_SIGMA_THIS << (ci * 3U))) {
v = opj_raw_decode(raw);
t = v ? poshalf : neghalf;
*datap += *datap < 0 ? -t : t;
*flagsp |= 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_INT32 neghalf,
OPJ_UINT32 ci)
{
OPJ_UINT32 v;
OPJ_INT32 t;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
if ((*flagsp & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U))) ==
(T1_SIGMA_THIS << (ci * 3U))) {
OPJ_UINT32 ctxt = opj_t1_getctxno_mag(*flagsp >> (ci * 3U));
opj_mqc_setcurctx(mqc, ctxt);
v = opj_mqc_decode(mqc);
t = v ? poshalf : neghalf;
*datap += *datap < 0 ? -t : t;
*flagsp |= T1_MU_THIS << (ci * 3U);
}
}
static INLINE void opj_t1_dec_refpass_step_mqc_vsc(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 poshalf,
OPJ_INT32 neghalf,
OPJ_INT32 vsc,
OPJ_UINT32 ci)
{
OPJ_UINT32 v;
OPJ_INT32 t;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
OPJ_UINT32 const shift_flags =
vsc ?
((*flagsp >> (ci * 3U)) & ~(T1_SIGMA_SW | T1_SIGMA_S | T1_SIGMA_SE | T1_CHI_S))
:
(*flagsp >> (ci * 3U));
if ((shift_flags & (T1_SIGMA_THIS | T1_PI_THIS)) == T1_SIGMA_THIS) {
OPJ_UINT32 ctxt = opj_t1_getctxno_mag(shift_flags);
opj_mqc_setcurctx(mqc, ctxt);
v = opj_mqc_decode(mqc);
t = v ? poshalf : neghalf;
*datap += *datap < 0 ? -t : t;
*flagsp |= T1_MU_THIS << (ci * 3U);
}
}
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, 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;
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#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, 0);
opj_t1_enc_refpass_step(
t1,
f,
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&t1->data[((k + 1) * t1->data_stride) + i],
bpno,
one,
nmsedec,
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type,
1, 0);
opj_t1_enc_refpass_step(
t1,
f,
&t1->data[((k + 2) * t1->data_stride) + i],
bpno,
one,
nmsedec,
type,
2, 0);
opj_t1_enc_refpass_step(
t1,
f,
&t1->data[((k + 3) * t1->data_stride) + i],
bpno,
one,
nmsedec,
type,
3, cblksty & J2K_CCP_CBLKSTY_VSC);
++f;
}
f += extra;
}
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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,
(j == t1->h - 1 && (cblksty & J2K_CCP_CBLKSTY_VSC) != 0));
}
++f;
}
}
2003-11-27 11:10:17 +01:00
}
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_INT32 *data1 = t1->data;
opj_flag_t *flagsp = &T1_FLAGS(0, 0);
one = 1 << bpno;
poshalf = one >> 1;
neghalf = bpno > 0 ? -poshalf : -1;
for (k = 0; k < (t1->h & ~3U); k += 4) {
for (i = 0; i < t1->w; ++i) {
OPJ_INT32 *data2 = data1 + i;
opj_t1_dec_refpass_step_raw(
t1,
flagsp,
data2,
poshalf,
neghalf, 0U);
data2 += t1->w;
opj_t1_dec_refpass_step_raw(
t1,
flagsp,
data2,
poshalf,
neghalf, 1U);
data2 += t1->w;
opj_t1_dec_refpass_step_raw(
t1,
flagsp,
data2,
poshalf,
neghalf, 2U);
data2 += t1->w;
opj_t1_dec_refpass_step_raw(
t1,
flagsp,
data2,
poshalf,
neghalf, 3U);
data2 += t1->w;
flagsp ++;
}
data1 += t1->w << 2;
flagsp += 2;
}
if (k < t1->h) {
for (i = 0; i < t1->w; ++i) {
OPJ_INT32 *data2 = data1 + i;
for (j = k; j < t1->h; ++j) {
opj_t1_dec_refpass_step_raw(
t1,
flagsp,
data2,
poshalf,
neghalf, j - k);
data2 += t1->w;
}
flagsp ++;
}
}
}
#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 *flagsp = &t1->flags[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; \
if( *flagsp != 0 ) { \
opj_t1_dec_refpass_step_mqc(t1, flagsp, data2, poshalf, neghalf, 0U); \
data2 += w; \
opj_t1_dec_refpass_step_mqc(t1, flagsp, data2, poshalf, neghalf, 1U); \
data2 += w; \
opj_t1_dec_refpass_step_mqc(t1, flagsp, data2, poshalf, neghalf, 2U); \
data2 += w; \
opj_t1_dec_refpass_step_mqc(t1, flagsp, data2, poshalf, neghalf, 3U); \
data2 += w; \
} \
flagsp ++; \
} \
data1 += w << 2; \
flagsp += 2; \
} \
for (i = 0; i < w; ++i) { \
OPJ_INT32 *data2 = data1 + i; \
for (j = k; j < h; ++j) { \
opj_t1_dec_refpass_step_mqc(t1, flagsp, data2, poshalf, neghalf, j - k); \
data2 += w; \
} \
flagsp ++; \
} \
}
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->w + 2U);
}
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 *flagsp = &T1_FLAGS(0, 0);
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_t1_dec_refpass_step_mqc_vsc(t1, flagsp, data2, poshalf, neghalf,
0, 0U);
data2 += t1->w;
opj_t1_dec_refpass_step_mqc_vsc(t1, flagsp, data2, poshalf, neghalf,
0, 1U);
data2 += t1->w;
opj_t1_dec_refpass_step_mqc_vsc(t1, flagsp, data2, poshalf, neghalf,
0, 2U);
data2 += t1->w;
opj_t1_dec_refpass_step_mqc_vsc(t1, flagsp, data2, poshalf, neghalf,
1, 3U);
data2 += t1->w;
flagsp ++;
}
data1 += t1->w << 2;
flagsp += 2U;
}
for (i = 0; i < t1->w; ++i) {
OPJ_INT32 *data2 = data1 + i;
for (j = k; j < t1->h; ++j) {
vsc = (j == t1->h - 1) ? 1 : 0;
opj_t1_dec_refpass_step_mqc_vsc(
t1,
flagsp,
data2,
poshalf, neghalf,
vsc,
j - k);
data2 += t1->w;
}
flagsp ++;
}
}
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/**
Encode clean-up pass step
*/
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 agg,
OPJ_UINT32 runlen,
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OPJ_UINT32 lim,
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OPJ_UINT32 cblksty)
{
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OPJ_UINT32 v;
OPJ_UINT32 ci;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
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const OPJ_UINT32 check = (T1_SIGMA_4 | T1_SIGMA_7 | T1_SIGMA_10 | T1_SIGMA_13 |
T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3);
if ((*flagsp & check) == check) {
if (runlen == 0) {
*flagsp &= ~(T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3);
} else if (runlen == 1) {
*flagsp &= ~(T1_PI_1 | T1_PI_2 | T1_PI_3);
} else if (runlen == 2) {
*flagsp &= ~(T1_PI_2 | T1_PI_3);
} else if (runlen == 3) {
*flagsp &= ~(T1_PI_3);
}
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return;
}
for (ci = runlen; ci < lim; ++ci) {
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OPJ_UINT32 vsc;
OPJ_UINT32 vsc_mask;
opj_flag_t flags;
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vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (ci == lim - 1)) ? 1 : 0;
vsc_mask = vsc ? ~((T1_SIGMA_SW | T1_SIGMA_S | T1_SIGMA_SE | T1_CHI_S) <<
(ci * 3U)) : ~0U;
flags = *flagsp & vsc_mask;
if ((agg != 0) && (ci == runlen)) {
goto LABEL_PARTIAL;
}
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if (!(flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U)))) {
OPJ_UINT32 ctxt1 = opj_t1_getctxno_zc(mqc, flags >> (ci * 3U));
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#ifdef DEBUG_ENC_CLN
printf(" ctxt1=%d\n", ctxt1);
#endif
opj_mqc_setcurctx(mqc, ctxt1);
v = opj_int_abs(*datap) & one ? 1 : 0;
opj_mqc_encode(mqc, v);
if (v) {
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OPJ_UINT32 ctxt2, spb;
OPJ_UINT32 lu;
LABEL_PARTIAL:
/* Note: using flags instead of *flagsp & vsc_mask result */
/* in slow down. Probably because of register pressure */
lu = opj_t1_getctxtno_sc_or_spb_index(
*flagsp & vsc_mask,
flagsp[-1] & vsc_mask, flagsp[1] & vsc_mask,
ci);
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*nmsedec += opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap),
(OPJ_UINT32)bpno);
ctxt2 = opj_t1_getctxno_sc(lu);
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#ifdef DEBUG_ENC_CLN
printf(" ctxt2=%d\n", ctxt2);
#endif
opj_mqc_setcurctx(mqc, ctxt2);
v = *datap < 0 ? 1 : 0;
spb = opj_t1_getspb(lu);
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#ifdef DEBUG_ENC_CLN
printf(" spb=%d\n", spb);
#endif
opj_mqc_encode(mqc, v ^ spb);
opj_t1_update_flags(flagsp, ci, v, t1->w + 2U);
}
}
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*flagsp &= ~(T1_PI_THIS << (3U * ci));
datap += t1->data_stride;
}
2003-11-27 11:10:17 +01:00
}
static void opj_t1_dec_clnpass_step_partial(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_UINT32 ci)
{
OPJ_UINT32 v;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
OPJ_UINT32 lu = opj_t1_getctxtno_sc_or_spb_index(
*flagsp, flagsp[-1], flagsp[1],
ci);
opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(lu));
v = opj_mqc_decode(mqc) ^ opj_t1_getspb(lu);
*datap = v ? -oneplushalf : oneplushalf;
opj_t1_update_flags(flagsp, ci, v, t1->w + 2U);
/* *flagsp &= ~(T1_PI_THIS << (3U * ci)); */
}
static void opj_t1_dec_clnpass_step(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_UINT32 ci)
{
OPJ_UINT32 v;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
if (!(*flagsp & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U)))) {
OPJ_UINT32 ctxt1 = opj_t1_getctxno_zc(mqc, *flagsp >> (ci * 3U));
opj_mqc_setcurctx(mqc, ctxt1);
if (opj_mqc_decode(mqc)) {
OPJ_UINT32 lu = opj_t1_getctxtno_sc_or_spb_index(
*flagsp, flagsp[-1], flagsp[1],
ci);
opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(lu));
v = opj_mqc_decode(mqc) ^ opj_t1_getspb(lu);
*datap = v ? -oneplushalf : oneplushalf;
opj_t1_update_flags(flagsp, ci, v, t1->w + 2U);
}
}
/* *flagsp &= ~(T1_PI_THIS << (3U * ci)); */
}
static void opj_t1_dec_clnpass_step_only_if_flag_not_sig_visit(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_UINT32 ci,
OPJ_UINT32 flags_stride)
{
OPJ_UINT32 v;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
OPJ_UINT32 ctxt1 = opj_t1_getctxno_zc(mqc, *flagsp >> (ci * 3U));
opj_mqc_setcurctx(mqc, ctxt1);
if (opj_mqc_decode(mqc)) {
OPJ_UINT32 lu = opj_t1_getctxtno_sc_or_spb_index(
*flagsp, flagsp[-1], flagsp[1],
ci);
opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(lu));
v = opj_mqc_decode(mqc) ^ opj_t1_getspb(lu);
*datap = v ? -oneplushalf : oneplushalf;
opj_t1_update_flags(flagsp, ci, v, flags_stride);
}
}
static void opj_t1_dec_clnpass_step_vsc(
opj_t1_t *t1,
opj_flag_t *flagsp,
OPJ_INT32 *datap,
OPJ_INT32 oneplushalf,
OPJ_INT32 partial,
OPJ_INT32 vsc,
OPJ_UINT32 ci)
{
OPJ_UINT32 v;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
OPJ_UINT32 vsc_mask = vsc ? ~((T1_SIGMA_SW | T1_SIGMA_S | T1_SIGMA_SE |
T1_CHI_S) <<
(ci * 3U)) : ~0U;
OPJ_UINT32 flags = *flagsp & vsc_mask;
if (partial) {
goto LABEL_PARTIAL;
}
if (!(flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U)))) {
OPJ_UINT32 ctxt1 = opj_t1_getctxno_zc(mqc, flags >> (ci * 3U));
opj_mqc_setcurctx(mqc, ctxt1);
if (opj_mqc_decode(mqc)) {
OPJ_UINT32 lu;
LABEL_PARTIAL:
lu = opj_t1_getctxtno_sc_or_spb_index(
*flagsp & vsc_mask, flagsp[-1] & vsc_mask,
flagsp[1] & vsc_mask,
ci);
opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(lu));
v = opj_mqc_decode(mqc) ^ opj_t1_getspb(lu);
*datap = v ? -oneplushalf : oneplushalf;
opj_t1_update_flags(flagsp, ci, v, t1->w + 2U);
}
}
/* *flagsp &= ~(T1_PI_THIS << (3U * ci)); */
}
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static void opj_t1_enc_clnpass(
opj_t1_t *t1,
OPJ_INT32 bpno,
OPJ_INT32 *nmsedec,
OPJ_UINT32 cblksty)
{
OPJ_UINT32 i, k;
const OPJ_INT32 one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
OPJ_UINT32 agg, runlen;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
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const OPJ_UINT32 agg_mask = (cblksty & J2K_CCP_CBLKSTY_VSC) ?
~(T1_SIGMA_15 | T1_SIGMA_16 | T1_SIGMA_17 | T1_CHI_5) :
~0U;
*nmsedec = 0;
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#ifdef DEBUG_ENC_CLN
printf("enc_clnpass: bpno=%d\n", bpno);
#endif
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for (k = 0; k < (t1->h & ~3U); k += 4) {
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#ifdef DEBUG_ENC_CLN
printf(" k=%d\n", k);
#endif
for (i = 0; i < t1->w; ++i) {
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#ifdef DEBUG_ENC_CLN
printf(" i=%d\n", i);
#endif
agg = !(T1_FLAGS(i, k) & agg_mask);
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#ifdef DEBUG_ENC_CLN
printf(" agg=%d\n", agg);
#endif
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;
}
opj_t1_enc_clnpass_step(
t1,
&T1_FLAGS(i, k),
&t1->data[((k + runlen) * t1->data_stride) + i],
bpno,
one,
nmsedec,
agg,
runlen,
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4U,
cblksty);
}
}
if (k < t1->h) {
agg = 0;
runlen = 0;
#ifdef DEBUG_ENC_CLN
printf(" k=%d\n", k);
#endif
for (i = 0; i < t1->w; ++i) {
#ifdef DEBUG_ENC_CLN
printf(" i=%d\n", i);
printf(" agg=%d\n", agg);
#endif
opj_t1_enc_clnpass_step(
t1,
&T1_FLAGS(i, k),
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&t1->data[((k + runlen) * t1->data_stride) + i],
bpno,
one,
nmsedec,
agg,
runlen,
t1->h - k,
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cblksty);
}
}
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}
#define opj_t1_dec_clnpass_internal(t1, bpno, cblksty, w, h, flags_stride) \
{ \
OPJ_INT32 one, half, oneplushalf, agg, vsc; \
OPJ_UINT32 runlen; \
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_flag_t *flagsp1 = &t1->flags[flags_stride + 1]; \
const OPJ_UINT32 agg_mask = ~(T1_SIGMA_15 | T1_SIGMA_16 | T1_SIGMA_17 | T1_CHI_5); \
for (k = 0; k < h; k += 4) { \
for (i = 0; i < w; ++i) { \
opj_flag_t *flagsp2 = flagsp1 + i; \
if (k + 3 < h) { \
agg = !(*flagsp2 & agg_mask); \
} 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 + runlen; j < k + 4 && j < h; ++j) { \
vsc = (j == k + 3 || j == h - 1) ? 1 : 0; \
opj_t1_dec_clnpass_step_vsc( \
t1, \
flagsp2, \
&t1->data[(j * w) + i], \
oneplushalf, \
agg && (j == k + runlen), \
vsc, j - k); \
} \
*flagsp2 &= ~(T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3); \
} \
flagsp1 += flags_stride; \
} \
} else { \
OPJ_INT32 *data1 = t1->data; \
opj_flag_t *flagsp1 = &t1->flags[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 *flagsp2 = flagsp1 + i; \
if (*flagsp2 == 0) { \
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); \
data2 += runlen * w; \
for (j = runlen; j < 4; ++j) { \
if (j == runlen) { \
opj_t1_dec_clnpass_step_partial(t1, flagsp2, data2, oneplushalf, j); \
} else { \
opj_t1_dec_clnpass_step(t1, flagsp2, data2, oneplushalf, j); \
} \
data2 += w; \
} \
} else { \
if (!(*flagsp2 & ((T1_SIGMA_THIS | T1_PI_THIS) << (0 * 3U)))) {\
opj_t1_dec_clnpass_step_only_if_flag_not_sig_visit(t1, flagsp2, data2, oneplushalf, 0U, flags_stride); \
} \
data2 += w; \
if (!(*flagsp2 & ((T1_SIGMA_THIS | T1_PI_THIS) << (1 * 3U)))) {\
opj_t1_dec_clnpass_step_only_if_flag_not_sig_visit(t1, flagsp2, data2, oneplushalf, 1U, flags_stride); \
} \
data2 += w; \
if (!(*flagsp2 & ((T1_SIGMA_THIS | T1_PI_THIS) << (2 * 3U)))) {\
opj_t1_dec_clnpass_step_only_if_flag_not_sig_visit(t1, flagsp2, data2, oneplushalf, 2U, flags_stride); \
} \
data2 += w; \
if (!(*flagsp2 & ((T1_SIGMA_THIS | T1_PI_THIS) << (3 * 3U)))) {\
opj_t1_dec_clnpass_step_only_if_flag_not_sig_visit(t1, flagsp2, data2, oneplushalf, 3U, flags_stride); \
} \
data2 += w; \
} \
*flagsp2 &= ~(T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3); \
} \
data1 += w << 2; \
flagsp1 += flags_stride; \
} \
for (i = 0; i < w; ++i) { \
OPJ_INT32 *data2 = data1 + i; \
opj_flag_t *flagsp2 = flagsp1 + i; \
for (j = k; j < h; ++j) { \
opj_t1_dec_clnpass_step(t1, flagsp2, data2, oneplushalf, j - k); \
data2 += w; \
} \
*flagsp2 &= ~(T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3); \
} \
} \
\
if (segsym) { \
OPJ_UINT32 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); \
} \
*/ \
} \
}
static void opj_t1_dec_clnpass_64x64(
opj_t1_t *t1,
OPJ_INT32 bpno,
OPJ_INT32 cblksty)
{
opj_t1_dec_clnpass_internal(t1, bpno, cblksty, 64, 64, 66);
}
static void opj_t1_dec_clnpass_generic(
opj_t1_t *t1,
OPJ_INT32 bpno,
OPJ_INT32 cblksty)
{
opj_t1_dec_clnpass_internal(t1, bpno, cblksty, t1->w, t1->h,
t1->w + 2U);
}
2003-11-27 11:10:17 +01:00
/** 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)
{
size_t flagssize;
OPJ_UINT32 flags_stride;
/* 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));
}
}
/* Overflow check */
if (w > (0xFFFFFFFFU /* UINT32_MAX */ - 2U)) {
/* FIXME event manager error callback */
return OPJ_FALSE;
}
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 = (h + 3U) / 4U + 2U;
/* Overflow check */
if (flagssize > (SIZE_MAX / (size_t)flags_stride)) {
/* FIXME event manager error callback */
return OPJ_FALSE;
}
flagssize *= (size_t)flags_stride;
{
/* BIG FAT XXX */
opj_flag_t* p;
OPJ_UINT32 x;
OPJ_UINT32 flags_height = (h + 3U) / 4U;
2017-05-23 14:55:45 +02:00
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));
p = &t1->flags[0];
for (x = 0; x < flags_stride; ++x) {
/* magic value to hopefully stop any passes being interested in this entry */
*p++ = (T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3);
}
p = &t1->flags[((flags_height + 1) * flags_stride)];
for (x = 0; x < flags_stride; ++x) {
/* magic value to hopefully stop any passes being interested in this entry */
*p++ = (T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3);
}
if (h % 4) {
OPJ_UINT32 v = 0;
p = &t1->flags[((flags_height) * flags_stride)];
if (h % 4 == 1) {
v |= T1_PI_1 | T1_PI_2 | T1_PI_3;
} else if (h % 4 == 2) {
v |= T1_PI_2 | T1_PI_3;
} else if (h % 4 == 3) {
v |= T1_PI_3;
}
for (x = 0; x < flags_stride; ++x) {
*p++ = v;
}
}
}
t1->w = w;
t1->h = h;
return OPJ_TRUE;
}
/* ----------------------------------------------------------------------- */
/* ----------------------------------------------------------------------- */
/**
* Creates a new Tier 1 handle
* and initializes the look-up tables of the Tier-1 coder/decoder
* @return a new T1 handle if successful, returns NULL otherwise
*/
opj_t1_t* opj_t1_create(OPJ_BOOL isEncoder)
{
opj_t1_t *l_t1 = 00;
l_t1 = (opj_t1_t*) opj_calloc(1, sizeof(opj_t1_t));
if (!l_t1) {
return 00;
}
/* create MQC and RAW handles */
l_t1->mqc = opj_mqc_create();
if (! l_t1->mqc) {
opj_t1_destroy(l_t1);
return 00;
}
l_t1->raw = opj_raw_create();
if (! l_t1->raw) {
opj_t1_destroy(l_t1);
return 00;
}
l_t1->encoder = isEncoder;
return l_t1;
}
/**
* Destroys a previously created T1 handle
*
* @param p_t1 Tier 1 handle to destroy
*/
void opj_t1_destroy(opj_t1_t *p_t1)
{
if (! p_t1) {
return;
}
/* destroy MQC and RAW handles */
opj_mqc_destroy(p_t1->mqc);
p_t1->mqc = 00;
opj_raw_destroy(p_t1->raw);
p_t1->raw = 00;
/* encoder uses tile buffer, so no need to free */
if (!p_t1->encoder && p_t1->data) {
opj_aligned_free(p_t1->data);
p_t1->data = 00;
}
if (p_t1->flags) {
opj_aligned_free(p_t1->flags);
p_t1->flags = 00;
}
opj_free(p_t1);
}
typedef struct {
2016-05-25 16:38:44 +02:00
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);
2016-05-25 16:38:44 +02:00
}
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;
2016-05-25 16:38:44 +02:00
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)) {
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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);
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}
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;
2016-05-25 16:38:44 +02:00
}
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;
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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];
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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;
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}
for (; i < cblk_w; ++i) {
OPJ_INT32 tmp = datap[(j * cblk_w) + i];
((OPJ_INT32*)tiledp)[(j * tile_w) + i] = tmp / 2;
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}
}
} else { /* if (tccp->qmfbid == 0) */
OPJ_FLOAT32* OPJ_RESTRICT tiledp = (OPJ_FLOAT32*) &tilec->data[(OPJ_UINT32)y *
tile_w + (OPJ_UINT32)x];
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for (j = 0; j < cblk_h; ++j) {
OPJ_FLOAT32* OPJ_RESTRICT tiledp2 = tiledp;
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for (i = 0; i < cblk_w; ++i) {
OPJ_FLOAT32 tmp = (OPJ_FLOAT32) * datap * band->stepsize;
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*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];
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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;
}
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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)) {
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return;
}
} /* cblkno */
} /* precno */
} /* bandno */
} /* resno */
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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 << 9);
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--;
}
}
}
}
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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 << 9);
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);
correction = 1;
/* correction = mqc_bypass_flush_enc(); */
} else { /* correction = mqc_restart_enc(); */
opj_mqc_flush(mqc);
correction = 1;
}
pass->term = 1;
} else {
if (((bpno < ((OPJ_INT32)(cblk->numbps) - 4) && (passtype > 0))
|| ((bpno == ((OPJ_INT32)cblk->numbps - 4)) && (passtype == 2))) &&
(cblksty & J2K_CCP_CBLKSTY_LAZY)) {
if (type == T1_TYPE_RAW) {
opj_mqc_flush(mqc);
correction = 1;
/* correction = mqc_bypass_flush_enc(); */
} else { /* correction = mqc_restart_enc(); */
opj_mqc_flush(mqc);
correction = 1;
}
pass->term = 1;
} else {
pass->term = 0;
}
}
if (++passtype == 3) {
passtype = 0;
bpno--;
}
if (pass->term && bpno > 0) {
type = ((bpno < ((OPJ_INT32)(cblk->numbps) - 4)) && (passtype < 2) &&
(cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
if (type == T1_TYPE_RAW) {
opj_mqc_bypass_init_enc(mqc);
} else {
opj_mqc_restart_init_enc(mqc);
}
}
pass->distortiondec = cumwmsedec;
pass->rate = opj_mqc_numbytes(mqc) + correction; /* FIXME */
/* Code-switch "RESET" */
if (cblksty & J2K_CCP_CBLKSTY_RESET) {
opj_mqc_reset_enc(mqc);
}
}
/* Code switch "ERTERM" (i.e. PTERM) */
if (cblksty & J2K_CCP_CBLKSTY_PTERM) {
opj_mqc_erterm_enc(mqc);
} else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY)) {
opj_mqc_flush(mqc);
}
cblk->totalpasses = passno;
for (passno = 0; passno < cblk->totalpasses; passno++) {
opj_tcd_pass_t *pass = &cblk->passes[passno];
if (pass->rate > opj_mqc_numbytes(mqc)) {
pass->rate = opj_mqc_numbytes(mqc);
}
/*Preventing generation of FF as last data byte of a pass*/
if ((pass->rate > 1) && (cblk->data[pass->rate - 1] == 0xFF)) {
pass->rate--;
}
pass->len = pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate);
}
}