diff options
Diffstat (limited to 'third_party/libopenjpeg/t1.c')
| -rw-r--r-- | third_party/libopenjpeg/t1.c | 2588 |
1 files changed, 2588 insertions, 0 deletions
diff --git a/third_party/libopenjpeg/t1.c b/third_party/libopenjpeg/t1.c new file mode 100644 index 000000000..f5fd23391 --- /dev/null +++ b/third_party/libopenjpeg/t1.c @@ -0,0 +1,2588 @@ +/* + * 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. + */ + +#define OPJ_SKIP_POISON +#include "opj_includes.h" + +#ifdef __SSE__ +#include <xmmintrin.h> +#endif +#ifdef __SSE2__ +#include <emmintrin.h> +#endif + +#if defined(__GNUC__) +#pragma GCC poison malloc calloc realloc free +#endif + +#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)] + +/* Macros to deal with signed integer with just MSB bit set for + * negative values (smr = signed magnitude representation) */ +#define opj_smr_abs(x) (((OPJ_UINT32)(x)) & 0x7FFFFFFFU) +#define opj_smr_sign(x) (((OPJ_UINT32)(x)) >> 31) +#define opj_to_smr(x) ((x) >= 0 ? (OPJ_UINT32)(x) : ((OPJ_UINT32)(-x) | 0x80000000U)) + + +/** @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); + +/** Return "cumwmsedec" that should be used to increase tile->distotile */ +static double 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, + 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); + +/** +Decode 1 HT 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 +*/ +OPJ_BOOL opj_t1_ht_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 +*/ +#define opj_t1_enc_sigpass_step_macro(mqc, curctx, a, c, ct, flagspIn, datapIn, bpno, one, nmsedec, type, ciIn, vscIn) \ +{ \ + OPJ_UINT32 v; \ + const OPJ_UINT32 ci = (ciIn); \ + const OPJ_UINT32 vsc = (vscIn); \ + const OPJ_INT32* l_datap = (datapIn); \ + opj_flag_t* flagsp = (flagspIn); \ + 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_smr_abs(*l_datap) & (OPJ_UINT32)one) ? 1 : 0; \ +/* #ifdef DEBUG_ENC_SIG */ \ +/* fprintf(stderr, " ctxt1=%d\n", ctxt1); */ \ +/* #endif */ \ + opj_t1_setcurctx(curctx, ctxt1); \ + if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ \ + opj_mqc_bypass_enc_macro(mqc, c, ct, v); \ + } else { \ + opj_mqc_encode_macro(mqc, curctx, a, c, ct, 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 = opj_smr_sign(*l_datap); \ + *nmsedec += opj_t1_getnmsedec_sig(opj_smr_abs(*l_datap), \ + (OPJ_UINT32)bpno); \ +/* #ifdef DEBUG_ENC_SIG */ \ +/* fprintf(stderr, " ctxt2=%d\n", ctxt2); */ \ +/* #endif */ \ + opj_t1_setcurctx(curctx, ctxt2); \ + if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ \ + opj_mqc_bypass_enc_macro(mqc, c, ct, v); \ + } else { \ + OPJ_UINT32 spb = opj_t1_getspb(lu); \ +/* #ifdef DEBUG_ENC_SIG */ \ +/* fprintf(stderr, " spb=%d\n", spb); */ \ +/* #endif */ \ + opj_mqc_encode_macro(mqc, curctx, a, c, ct, 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; + opj_mqc_t* mqc = &(t1->mqc); + DOWNLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct); + const OPJ_INT32* datap = t1->data; + + *nmsedec = 0; +#ifdef DEBUG_ENC_SIG + fprintf(stderr, "enc_sigpass: bpno=%d\n", bpno); +#endif + for (k = 0; k < (t1->h & ~3U); k += 4, f += extra) { + const OPJ_UINT32 w = t1->w; +#ifdef DEBUG_ENC_SIG + fprintf(stderr, " k=%d\n", k); +#endif + for (i = 0; i < w; ++i, ++f, datap += 4) { +#ifdef DEBUG_ENC_SIG + fprintf(stderr, " i=%d\n", i); +#endif + if (*f == 0U) { + /* Nothing to do for any of the 4 data points */ + continue; + } + opj_t1_enc_sigpass_step_macro( + mqc, curctx, a, c, ct, + f, + &datap[0], + bpno, + one, + nmsedec, + type, + 0, cblksty & J2K_CCP_CBLKSTY_VSC); + opj_t1_enc_sigpass_step_macro( + mqc, curctx, a, c, ct, + f, + &datap[1], + bpno, + one, + nmsedec, + type, + 1, 0); + opj_t1_enc_sigpass_step_macro( + mqc, curctx, a, c, ct, + f, + &datap[2], + bpno, + one, + nmsedec, + type, + 2, 0); + opj_t1_enc_sigpass_step_macro( + mqc, curctx, a, c, ct, + f, + &datap[3], + bpno, + one, + nmsedec, + type, + 3, 0); + } + } + + 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, ++f) { +#ifdef DEBUG_ENC_SIG + fprintf(stderr, " i=%d\n", i); +#endif + if (*f == 0U) { + /* Nothing to do for any of the 4 data points */ + datap += (t1->h - k); + continue; + } + for (j = k; j < t1->h; ++j, ++datap) { + opj_t1_enc_sigpass_step_macro( + mqc, curctx, a, c, ct, + f, + &datap[0], + bpno, + one, + nmsedec, + type, + j - k, + (j == k && (cblksty & J2K_CCP_CBLKSTY_VSC) != 0)); + } + } + } + + UPLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct); +} + +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, a, c, 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, a, c, 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 +*/ +#define opj_t1_enc_refpass_step_macro(mqc, curctx, a, c, ct, flags, flagsUpdated, datap, bpno, one, nmsedec, type, ci) \ +{\ + OPJ_UINT32 v; \ + if ((flags & ((T1_SIGMA_THIS | T1_PI_THIS) << ((ci) * 3U))) == (T1_SIGMA_THIS << ((ci) * 3U))) { \ + const OPJ_UINT32 shift_flags = (flags >> ((ci) * 3U)); \ + OPJ_UINT32 ctxt = opj_t1_getctxno_mag(shift_flags); \ + OPJ_UINT32 abs_data = opj_smr_abs(*datap); \ + *nmsedec += opj_t1_getnmsedec_ref(abs_data, \ + (OPJ_UINT32)bpno); \ + v = ((OPJ_INT32)abs_data & one) ? 1 : 0; \ +/* #ifdef DEBUG_ENC_REF */ \ +/* fprintf(stderr, " ctxt=%d\n", ctxt); */ \ +/* #endif */ \ + opj_t1_setcurctx(curctx, ctxt); \ + if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ \ + opj_mqc_bypass_enc_macro(mqc, c, ct, v); \ + } else { \ + opj_mqc_encode_macro(mqc, curctx, a, c, ct, v); \ + } \ + flagsUpdated |= 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; + opj_mqc_t* mqc = &(t1->mqc); + DOWNLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct); + const OPJ_INT32* datap = t1->data; + + *nmsedec = 0; +#ifdef DEBUG_ENC_REF + fprintf(stderr, "enc_refpass: bpno=%d\n", bpno); +#endif + for (k = 0; k < (t1->h & ~3U); k += 4, f += extra) { +#ifdef DEBUG_ENC_REF + fprintf(stderr, " k=%d\n", k); +#endif + for (i = 0; i < t1->w; ++i, f++, datap += 4) { + const OPJ_UINT32 flags = *f; + OPJ_UINT32 flagsUpdated = flags; +#ifdef DEBUG_ENC_REF + fprintf(stderr, " i=%d\n", i); +#endif + if ((flags & (T1_SIGMA_4 | T1_SIGMA_7 | T1_SIGMA_10 | T1_SIGMA_13)) == 0) { + /* none significant */ + continue; + } + if ((flags & (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 */ + continue; + } + + opj_t1_enc_refpass_step_macro( + mqc, curctx, a, c, ct, + flags, flagsUpdated, + &datap[0], + bpno, + one, + nmsedec, + type, + 0); + opj_t1_enc_refpass_step_macro( + mqc, curctx, a, c, ct, + flags, flagsUpdated, + &datap[1], + bpno, + one, + nmsedec, + type, + 1); + opj_t1_enc_refpass_step_macro( + mqc, curctx, a, c, ct, + flags, flagsUpdated, + &datap[2], + bpno, + one, + nmsedec, + type, + 2); + opj_t1_enc_refpass_step_macro( + mqc, curctx, a, c, ct, + flags, flagsUpdated, + &datap[3], + bpno, + one, + nmsedec, + type, + 3); + *f = flagsUpdated; + } + } + + if (k < t1->h) { + OPJ_UINT32 j; + const OPJ_UINT32 remaining_lines = t1->h - k; +#ifdef DEBUG_ENC_REF + fprintf(stderr, " k=%d\n", k); +#endif + for (i = 0; i < t1->w; ++i, ++f) { +#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 */ + datap += remaining_lines; + continue; + } + for (j = 0; j < remaining_lines; ++j, datap ++) { + opj_t1_enc_refpass_step_macro( + mqc, curctx, a, c, ct, + *f, *f, + &datap[0], + bpno, + one, + nmsedec, + type, + j); + } + } + } + + UPLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct); +} + + +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, a, c, 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, a, c, 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, + 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( + opj_t1_t *t1, + OPJ_INT32 bpno) +{ + if (t1->w == 64 && t1->h == 64) { + opj_t1_dec_refpass_mqc_64x64(t1, bpno); + } else { + opj_t1_dec_refpass_mqc_generic(t1, bpno); + } +} + +/** +Encode clean-up pass step +*/ +#define opj_t1_enc_clnpass_step_macro(mqc, curctx, a, c, ct, flagspIn, datapIn, bpno, one, nmsedec, agg, runlen, lim, cblksty) \ +{ \ + OPJ_UINT32 v; \ + OPJ_UINT32 ci; \ + opj_flag_t* const flagsp = (flagspIn); \ + const OPJ_INT32* l_datap = (datapIn); \ + 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); \ + } \ + } \ + else \ + for (ci = runlen; ci < lim; ++ci) { \ + OPJ_BOOL goto_PARTIAL = OPJ_FALSE; \ + if ((agg != 0) && (ci == runlen)) { \ + goto_PARTIAL = OPJ_TRUE; \ + } \ + else if (!(*flagsp & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U)))) { \ + OPJ_UINT32 ctxt1 = opj_t1_getctxno_zc(mqc, *flagsp >> (ci * 3U)); \ +/* #ifdef DEBUG_ENC_CLN */ \ +/* printf(" ctxt1=%d\n", ctxt1); */ \ +/* #endif */ \ + opj_t1_setcurctx(curctx, ctxt1); \ + v = (opj_smr_abs(*l_datap) & (OPJ_UINT32)one) ? 1 : 0; \ + opj_mqc_encode_macro(mqc, curctx, a, c, ct, v); \ + if (v) { \ + goto_PARTIAL = OPJ_TRUE; \ + } \ + } \ + if( goto_PARTIAL ) { \ + OPJ_UINT32 vsc; \ + OPJ_UINT32 ctxt2, spb; \ + OPJ_UINT32 lu = opj_t1_getctxtno_sc_or_spb_index( \ + *flagsp, \ + flagsp[-1], flagsp[1], \ + ci); \ + *nmsedec += opj_t1_getnmsedec_sig(opj_smr_abs(*l_datap), \ + (OPJ_UINT32)bpno); \ + ctxt2 = opj_t1_getctxno_sc(lu); \ +/* #ifdef DEBUG_ENC_CLN */ \ +/* printf(" ctxt2=%d\n", ctxt2); */ \ +/* #endif */ \ + opj_t1_setcurctx(curctx, ctxt2); \ + \ + v = opj_smr_sign(*l_datap); \ + spb = opj_t1_getspb(lu); \ +/* #ifdef DEBUG_ENC_CLN */ \ +/* printf(" spb=%d\n", spb); */\ +/* #endif */ \ + opj_mqc_encode_macro(mqc, curctx, a, c, ct, v ^ spb); \ + vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (ci == 0)) ? 1 : 0; \ + opj_t1_update_flags(flagsp, ci, v, t1->w + 2U, vsc); \ + } \ + *flagsp &= ~(T1_PI_THIS << (3U * ci)); \ + l_datap ++; \ + } \ +} + +#define opj_t1_dec_clnpass_step_macro(check_flags, partial, \ + flags, flagsp, flags_stride, data, \ + data_stride, ci, mqc, curctx, \ + v, a, c, ct, oneplushalf, vsc) \ +{ \ + if ( !check_flags || !(flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U)))) {\ + do { \ + if( !partial ) { \ + 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 ) \ + break; \ + } \ + { \ + OPJ_UINT32 lu = opj_t1_getctxtno_sc_or_spb_index( \ + flags, flagsp[-1], flagsp[1], \ + ci); \ + opj_t1_setcurctx(curctx, opj_t1_getctxno_sc(lu)); \ + opj_mqc_decode_macro(v, mqc, curctx, a, c, ct); \ + v = v ^ opj_t1_getspb(lu); \ + data[ci*data_stride] = v ? -oneplushalf : oneplushalf; \ + opj_t1_update_flags_macro(flags, flagsp, ci, v, flags_stride, vsc); \ + } \ + } while(0); \ + } \ +} + +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 vsc) +{ + OPJ_UINT32 v; + + opj_mqc_t *mqc = &(t1->mqc); /* MQC component */ + opj_t1_dec_clnpass_step_macro(OPJ_TRUE, OPJ_FALSE, + *flagsp, flagsp, t1->w + 2U, datap, + 0, ci, mqc, mqc->curctx, + v, mqc->a, mqc->c, mqc->ct, oneplushalf, vsc); +} + +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_mqc_t* mqc = &(t1->mqc); + DOWNLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct); + const OPJ_INT32* datap = t1->data; + opj_flag_t *f = &T1_FLAGS(0, 0); + const OPJ_UINT32 extra = 2U; + + *nmsedec = 0; +#ifdef DEBUG_ENC_CLN + printf("enc_clnpass: bpno=%d\n", bpno); +#endif + for (k = 0; k < (t1->h & ~3U); k += 4, f += extra) { +#ifdef DEBUG_ENC_CLN + printf(" k=%d\n", k); +#endif + for (i = 0; i < t1->w; ++i, f++) { + OPJ_UINT32 agg, runlen; +#ifdef DEBUG_ENC_CLN + printf(" i=%d\n", i); +#endif + agg = !*f; +#ifdef DEBUG_ENC_CLN + printf(" agg=%d\n", agg); +#endif + if (agg) { + for (runlen = 0; runlen < 4; ++runlen, ++datap) { + if (opj_smr_abs(*datap) & (OPJ_UINT32)one) { + break; + } + } + opj_t1_setcurctx(curctx, T1_CTXNO_AGG); + opj_mqc_encode_macro(mqc, curctx, a, c, ct, runlen != 4); + if (runlen == 4) { + continue; + } + opj_t1_setcurctx(curctx, T1_CTXNO_UNI); + opj_mqc_encode_macro(mqc, curctx, a, c, ct, runlen >> 1); + opj_mqc_encode_macro(mqc, curctx, a, c, ct, runlen & 1); + } else { + runlen = 0; + } + opj_t1_enc_clnpass_step_macro( + mqc, curctx, a, c, ct, + f, + datap, + bpno, + one, + nmsedec, + agg, + runlen, + 4U, + cblksty); + datap += 4 - runlen; + } + } + if (k < t1->h) { + const OPJ_UINT32 agg = 0; + const OPJ_UINT32 runlen = 0; +#ifdef DEBUG_ENC_CLN + printf(" k=%d\n", k); +#endif + for (i = 0; i < t1->w; ++i, f++) { +#ifdef DEBUG_ENC_CLN + printf(" i=%d\n", i); + printf(" agg=%d\n", agg); +#endif + opj_t1_enc_clnpass_step_macro( + mqc, curctx, a, c, ct, + f, + datap, + bpno, + one, + nmsedec, + agg, + runlen, + t1->h - k, + cblksty); + datap += t1->h - k; + } + } + + UPLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct); +} + +#define opj_t1_dec_clnpass_internal(t1, bpno, vsc, w, h, flags_stride) \ +{ \ + OPJ_INT32 one, half, oneplushalf; \ + OPJ_UINT32 runlen; \ + OPJ_UINT32 i, j, k; \ + const OPJ_UINT32 l_w = w; \ + opj_mqc_t* mqc = &(t1->mqc); \ + register OPJ_INT32 *data = t1->data; \ + register opj_flag_t *flagsp = &t1->flags[flags_stride + 1]; \ + DOWNLOAD_MQC_VARIABLES(mqc, curctx, a, c, 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_UINT32 partial = OPJ_TRUE; \ + opj_t1_setcurctx(curctx, T1_CTXNO_AGG); \ + opj_mqc_decode_macro(v, mqc, curctx, a, c, ct); \ + if (!v) { \ + continue; \ + } \ + opj_t1_setcurctx(curctx, T1_CTXNO_UNI); \ + opj_mqc_decode_macro(runlen, mqc, curctx, a, c, ct); \ + opj_mqc_decode_macro(v, mqc, curctx, a, c, ct); \ + runlen = (runlen << 1) | v; \ + switch(runlen) { \ + case 0: \ + opj_t1_dec_clnpass_step_macro(OPJ_FALSE, OPJ_TRUE,\ + flags, flagsp, flags_stride, data, \ + l_w, 0, mqc, curctx, \ + v, a, c, ct, oneplushalf, vsc); \ + partial = OPJ_FALSE; \ + /* FALLTHRU */ \ + case 1: \ + opj_t1_dec_clnpass_step_macro(OPJ_FALSE, partial,\ + flags, flagsp, flags_stride, data, \ + l_w, 1, mqc, curctx, \ + v, a, c, ct, oneplushalf, OPJ_FALSE); \ + partial = OPJ_FALSE; \ + /* FALLTHRU */ \ + case 2: \ + opj_t1_dec_clnpass_step_macro(OPJ_FALSE, partial,\ + flags, flagsp, flags_stride, data, \ + l_w, 2, mqc, curctx, \ + v, a, c, ct, oneplushalf, OPJ_FALSE); \ + partial = OPJ_FALSE; \ + /* FALLTHRU */ \ + case 3: \ + opj_t1_dec_clnpass_step_macro(OPJ_FALSE, partial,\ + flags, flagsp, flags_stride, data, \ + l_w, 3, mqc, curctx, \ + v, a, c, ct, oneplushalf, OPJ_FALSE); \ + break; \ + } \ + } else { \ + opj_t1_dec_clnpass_step_macro(OPJ_TRUE, OPJ_FALSE, \ + flags, flagsp, flags_stride, data, \ + l_w, 0, mqc, curctx, \ + v, a, c, ct, oneplushalf, vsc); \ + opj_t1_dec_clnpass_step_macro(OPJ_TRUE, OPJ_FALSE, \ + flags, flagsp, flags_stride, data, \ + l_w, 1, mqc, curctx, \ + v, a, c, ct, oneplushalf, OPJ_FALSE); \ + opj_t1_dec_clnpass_step_macro(OPJ_TRUE, OPJ_FALSE, \ + flags, flagsp, flags_stride, data, \ + l_w, 2, mqc, curctx, \ + v, a, c, ct, oneplushalf, OPJ_FALSE); \ + opj_t1_dec_clnpass_step_macro(OPJ_TRUE, OPJ_FALSE, \ + flags, flagsp, flags_stride, data, \ + l_w, 3, mqc, curctx, \ + v, a, c, ct, oneplushalf, OPJ_FALSE); \ + } \ + *flagsp = flags & ~(T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3); \ + } \ + } \ + UPLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct); \ + if( k < h ) { \ + for (i = 0; i < l_w; ++i, ++flagsp, ++data) { \ + for (j = 0; j < h - k; ++j) { \ + opj_t1_dec_clnpass_step(t1, flagsp, data + j * l_w, oneplushalf, j, vsc); \ + } \ + *flagsp &= ~(T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3); \ + } \ + } \ +} + +static void opj_t1_dec_clnpass_check_segsym(opj_t1_t *t1, OPJ_INT32 cblksty) +{ + if (cblksty & J2K_CCP_CBLKSTY_SEGSYM) { + opj_mqc_t* mqc = &(t1->mqc); + OPJ_UINT32 v, v2; + opj_mqc_setcurctx(mqc, T1_CTXNO_UNI); + opj_mqc_decode(v, mqc); + opj_mqc_decode(v2, mqc); + v = (v << 1) | v2; + opj_mqc_decode(v2, mqc); + v = (v << 1) | v2; + opj_mqc_decode(v2, mqc); + v = (v << 1) | v2; + /* + if (v!=0xa) { + opj_event_msg(t1->cinfo, EVT_WARNING, "Bad segmentation symbol %x\n", v); + } + */ + } +} + +static void opj_t1_dec_clnpass_64x64_novsc( + opj_t1_t *t1, + OPJ_INT32 bpno) +{ + opj_t1_dec_clnpass_internal(t1, bpno, OPJ_FALSE, 64, 64, 66); +} + +static void opj_t1_dec_clnpass_64x64_vsc( + opj_t1_t *t1, + OPJ_INT32 bpno) +{ + opj_t1_dec_clnpass_internal(t1, bpno, OPJ_TRUE, 64, 64, 66); +} + +static void opj_t1_dec_clnpass_generic_novsc( + opj_t1_t *t1, + OPJ_INT32 bpno) +{ + opj_t1_dec_clnpass_internal(t1, bpno, OPJ_FALSE, t1->w, t1->h, + t1->w + 2U); +} + +static void opj_t1_dec_clnpass_generic_vsc( + opj_t1_t *t1, + OPJ_INT32 bpno) +{ + opj_t1_dec_clnpass_internal(t1, bpno, OPJ_TRUE, t1->w, t1->h, + t1->w + 2U); +} + +static void opj_t1_dec_clnpass( + 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_clnpass_64x64_vsc(t1, bpno); + } else { + opj_t1_dec_clnpass_64x64_novsc(t1, bpno); + } + } else { + if (cblksty & J2K_CCP_CBLKSTY_VSC) { + opj_t1_dec_clnpass_generic_vsc(t1, bpno); + } else { + opj_t1_dec_clnpass_generic_novsc(t1, bpno); + } + } + opj_t1_dec_clnpass_check_segsym(t1, cblksty); +} + + +/** 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) */ + const OPJ_INT32 log2_gain = (orient == 0) ? 0 : + (orient == 3) ? 2 : 1; + w2 = opj_dwt_getnorm_real(level, orient); + /* Not sure this is right. But preserves past behaviour */ + stepsize /= (1 << log2_gain); + } + + wmsedec = w1 * w2 * stepsize * (1 << bpno); + wmsedec *= wmsedec * nmsedec / 8192.0; + + return wmsedec; +} + +static OPJ_BOOL opj_t1_allocate_buffers( + opj_t1_t *t1, + OPJ_UINT32 w, + OPJ_UINT32 h) +{ + OPJ_UINT32 flagssize; + OPJ_UINT32 flags_stride; + + /* No risk of overflow. Prior checks ensure those assert are met */ + /* They are per the specification */ + assert(w <= 1024); + assert(h <= 1024); + assert(w * h <= 4096); + + /* encoder uses tile buffer, so no need to allocate */ + { + OPJ_UINT32 datasize = w * h; + + if (datasize > 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; + } + t1->datasize = datasize; + } + /* memset first arg is declared to never be null by gcc */ + if (t1->data != NULL) { + memset(t1->data, 0, datasize * sizeof(OPJ_INT32)); + } + } + + flags_stride = w + 2U; /* can't be 0U */ + + flagssize = (h + 3U) / 4U + 2U; + + flagssize *= flags_stride; + { + opj_flag_t* p; + OPJ_UINT32 x; + OPJ_UINT32 flags_height = (h + 3U) / 4U; + + if (flagssize > t1->flagssize) { + + 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; + } + } + t1->flagssize = 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; + } + + 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; + } + + if (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->cblkdatabuffer); + + opj_free(p_t1); +} + +typedef struct { + OPJ_BOOL whole_tile_decoding; + OPJ_UINT32 resno; + opj_tcd_cblk_dec_t* cblk; + opj_tcd_band_t* band; + opj_tcd_tilecomp_t* tilec; + opj_tccp_t* tccp; + OPJ_BOOL mustuse_cblkdatabuffer; + volatile OPJ_BOOL* pret; + opj_event_mgr_t *p_manager; + opj_mutex_t* p_manager_mutex; + OPJ_BOOL check_pterm; +} 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; + + cblk = job->cblk; + + if (!job->whole_tile_decoding) { + cblk_w = (OPJ_UINT32)(cblk->x1 - cblk->x0); + cblk_h = (OPJ_UINT32)(cblk->y1 - cblk->y0); + + cblk->decoded_data = (OPJ_INT32*)opj_aligned_malloc(sizeof(OPJ_INT32) * + cblk_w * cblk_h); + if (cblk->decoded_data == NULL) { + if (job->p_manager_mutex) { + opj_mutex_lock(job->p_manager_mutex); + } + opj_event_msg(job->p_manager, EVT_ERROR, + "Cannot allocate cblk->decoded_data\n"); + if (job->p_manager_mutex) { + opj_mutex_unlock(job->p_manager_mutex); + } + *(job->pret) = OPJ_FALSE; + opj_free(job); + return; + } + /* Zero-init required */ + memset(cblk->decoded_data, 0, sizeof(OPJ_INT32) * cblk_w * cblk_h); + } else if (cblk->decoded_data) { + /* Not sure if that code path can happen, but better be */ + /* safe than sorry */ + opj_aligned_free(cblk->decoded_data); + cblk->decoded_data = NULL; + } + + resno = job->resno; + band = job->band; + tilec = job->tilec; + tccp = job->tccp; + tile_w = (OPJ_UINT32)(tilec->resolutions[tilec->minimum_num_resolutions - 1].x1 + - + tilec->resolutions[tilec->minimum_num_resolutions - 1].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); + if (t1 == NULL) { + opj_event_msg(job->p_manager, EVT_ERROR, + "Cannot allocate Tier 1 handle\n"); + *(job->pret) = OPJ_FALSE; + opj_free(job); + return; + } + if (!opj_tls_set(tls, OPJ_TLS_KEY_T1, t1, opj_t1_destroy_wrapper)) { + opj_event_msg(job->p_manager, EVT_ERROR, + "Unable to set t1 handle as TLS\n"); + opj_t1_destroy(t1); + *(job->pret) = OPJ_FALSE; + opj_free(job); + return; + } + } + t1->mustuse_cblkdatabuffer = job->mustuse_cblkdatabuffer; + + if ((tccp->cblksty & J2K_CCP_CBLKSTY_HT) != 0) { + if (OPJ_FALSE == opj_t1_ht_decode_cblk( + t1, + cblk, + band->bandno, + (OPJ_UINT32)tccp->roishift, + tccp->cblksty, + job->p_manager, + job->p_manager_mutex, + job->check_pterm)) { + *(job->pret) = OPJ_FALSE; + opj_free(job); + return; + } + } else { + if (OPJ_FALSE == opj_t1_decode_cblk( + t1, + cblk, + band->bandno, + (OPJ_UINT32)tccp->roishift, + tccp->cblksty, + job->p_manager, + job->p_manager_mutex, + job->check_pterm)) { + *(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 = cblk->decoded_data ? cblk->decoded_data : t1->data; + cblk_w = t1->w; + cblk_h = t1->h; + + if (tccp->roishift) { + if (tccp->roishift >= 31) { + for (j = 0; j < cblk_h; ++j) { + for (i = 0; i < cblk_w; ++i) { + datap[(j * cblk_w) + i] = 0; + } + } + } else { + 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; + } + } + } + } + } + + /* Both can be non NULL if for example decoding a full tile and then */ + /* partially a tile. In which case partial decoding should be the */ + /* priority */ + assert((cblk->decoded_data != NULL) || (tilec->data != NULL)); + + if (cblk->decoded_data) { + OPJ_UINT32 cblk_size = cblk_w * cblk_h; + if (tccp->qmfbid == 1) { + for (i = 0; i < cblk_size; ++i) { + datap[i] /= 2; + } + } else { /* if (tccp->qmfbid == 0) */ + const float stepsize = 0.5f * band->stepsize; + i = 0; +#ifdef __SSE2__ + { + const __m128 xmm_stepsize = _mm_set1_ps(stepsize); + for (; i < (cblk_size & ~15U); i += 16) { + __m128 xmm0_data = _mm_cvtepi32_ps(_mm_load_si128((__m128i * const)( + datap + 0))); + __m128 xmm1_data = _mm_cvtepi32_ps(_mm_load_si128((__m128i * const)( + datap + 4))); + __m128 xmm2_data = _mm_cvtepi32_ps(_mm_load_si128((__m128i * const)( + datap + 8))); + __m128 xmm3_data = _mm_cvtepi32_ps(_mm_load_si128((__m128i * const)( + datap + 12))); + _mm_store_ps((float*)(datap + 0), _mm_mul_ps(xmm0_data, xmm_stepsize)); + _mm_store_ps((float*)(datap + 4), _mm_mul_ps(xmm1_data, xmm_stepsize)); + _mm_store_ps((float*)(datap + 8), _mm_mul_ps(xmm2_data, xmm_stepsize)); + _mm_store_ps((float*)(datap + 12), _mm_mul_ps(xmm3_data, xmm_stepsize)); + datap += 16; + } + } +#endif + for (; i < cblk_size; ++i) { + OPJ_FLOAT32 tmp = ((OPJ_FLOAT32)(*datap)) * stepsize; + memcpy(datap, &tmp, sizeof(tmp)); + datap++; + } + } + } else if (tccp->qmfbid == 1) { + OPJ_INT32* OPJ_RESTRICT tiledp = &tilec->data[(OPJ_SIZE_T)y * tile_w + + (OPJ_SIZE_T)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 * (OPJ_SIZE_T)tile_w) + i + 0U] = tmp0 / 2; + ((OPJ_INT32*)tiledp)[(j * (OPJ_SIZE_T)tile_w) + i + 1U] = tmp1 / 2; + ((OPJ_INT32*)tiledp)[(j * (OPJ_SIZE_T)tile_w) + i + 2U] = tmp2 / 2; + ((OPJ_INT32*)tiledp)[(j * (OPJ_SIZE_T)tile_w) + i + 3U] = tmp3 / 2; + } + for (; i < cblk_w; ++i) { + OPJ_INT32 tmp = datap[(j * cblk_w) + i]; + ((OPJ_INT32*)tiledp)[(j * (OPJ_SIZE_T)tile_w) + i] = tmp / 2; + } + } + } else { /* if (tccp->qmfbid == 0) */ + const float stepsize = 0.5f * band->stepsize; + OPJ_FLOAT32* OPJ_RESTRICT tiledp = (OPJ_FLOAT32*) &tilec->data[(OPJ_SIZE_T)y * + tile_w + (OPJ_SIZE_T)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 * stepsize; + *tiledp2 = tmp; + datap++; + tiledp2++; + } + tiledp += tile_w; + } + } + + opj_free(job); +} + + +void opj_t1_decode_cblks(opj_tcd_t* tcd, + volatile OPJ_BOOL* pret, + opj_tcd_tilecomp_t* tilec, + opj_tccp_t* tccp, + opj_event_mgr_t *p_manager, + opj_mutex_t* p_manager_mutex, + OPJ_BOOL check_pterm + ) +{ + opj_thread_pool_t* tp = tcd->thread_pool; + OPJ_UINT32 resno, bandno, precno, cblkno; + +#ifdef DEBUG_VERBOSE + OPJ_UINT32 codeblocks_decoded = 0; + printf("Enter opj_t1_decode_cblks()\n"); +#endif + + 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]; + + if (!opj_tcd_is_subband_area_of_interest(tcd, + tilec->compno, + resno, + band->bandno, + (OPJ_UINT32)precinct->x0, + (OPJ_UINT32)precinct->y0, + (OPJ_UINT32)precinct->x1, + (OPJ_UINT32)precinct->y1)) { + for (cblkno = 0; cblkno < precinct->cw * precinct->ch; ++cblkno) { + opj_tcd_cblk_dec_t* cblk = &precinct->cblks.dec[cblkno]; + if (cblk->decoded_data) { +#ifdef DEBUG_VERBOSE + printf("Discarding codeblock %d,%d at resno=%d, bandno=%d\n", + cblk->x0, cblk->y0, resno, bandno); +#endif + opj_aligned_free(cblk->decoded_data); + cblk->decoded_data = NULL; + } + } + continue; + } + + 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; + + if (!opj_tcd_is_subband_area_of_interest(tcd, + tilec->compno, + resno, + band->bandno, + (OPJ_UINT32)cblk->x0, + (OPJ_UINT32)cblk->y0, + (OPJ_UINT32)cblk->x1, + (OPJ_UINT32)cblk->y1)) { + if (cblk->decoded_data) { +#ifdef DEBUG_VERBOSE + printf("Discarding codeblock %d,%d at resno=%d, bandno=%d\n", + cblk->x0, cblk->y0, resno, bandno); +#endif + opj_aligned_free(cblk->decoded_data); + cblk->decoded_data = NULL; + } + continue; + } + + if (!tcd->whole_tile_decoding) { + OPJ_UINT32 cblk_w = (OPJ_UINT32)(cblk->x1 - cblk->x0); + OPJ_UINT32 cblk_h = (OPJ_UINT32)(cblk->y1 - cblk->y0); + if (cblk->decoded_data != NULL) { +#ifdef DEBUG_VERBOSE + printf("Reusing codeblock %d,%d at resno=%d, bandno=%d\n", + cblk->x0, cblk->y0, resno, bandno); +#endif + continue; + } + if (cblk_w == 0 || cblk_h == 0) { + continue; + } +#ifdef DEBUG_VERBOSE + printf("Decoding codeblock %d,%d at resno=%d, bandno=%d\n", + cblk->x0, cblk->y0, resno, bandno); +#endif + } + + 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->whole_tile_decoding = tcd->whole_tile_decoding; + job->resno = resno; + job->cblk = cblk; + job->band = band; + job->tilec = tilec; + job->tccp = tccp; + job->pret = pret; + job->p_manager_mutex = p_manager_mutex; + job->p_manager = p_manager; + job->check_pterm = check_pterm; + job->mustuse_cblkdatabuffer = opj_thread_pool_get_thread_count(tp) > 1; + opj_thread_pool_submit_job(tp, opj_t1_clbl_decode_processor, job); +#ifdef DEBUG_VERBOSE + codeblocks_decoded ++; +#endif + if (!(*pret)) { + return; + } + } /* cblkno */ + } /* precno */ + } /* bandno */ + } /* resno */ + +#ifdef DEBUG_VERBOSE + printf("Leave opj_t1_decode_cblks(). Number decoded: %d\n", codeblocks_decoded); +#endif + 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_event_mgr_t *p_manager, + opj_mutex_t* p_manager_mutex, + OPJ_BOOL check_pterm) +{ + opj_mqc_t *mqc = &(t1->mqc); /* MQC component */ + + OPJ_INT32 bpno_plus_one; + OPJ_UINT32 passtype; + OPJ_UINT32 segno, passno; + OPJ_BYTE* cblkdata = NULL; + OPJ_UINT32 cblkdataindex = 0; + OPJ_BYTE type = T1_TYPE_MQ; /* BYPASS mode */ + OPJ_INT32* original_t1_data = NULL; + + 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); + if (bpno_plus_one >= 31) { + if (p_manager_mutex) { + opj_mutex_lock(p_manager_mutex); + } + opj_event_msg(p_manager, EVT_WARNING, + "opj_t1_decode_cblk(): unsupported bpno_plus_one = %d >= 31\n", + bpno_plus_one); + if (p_manager_mutex) { + opj_mutex_unlock(p_manager_mutex); + } + return OPJ_FALSE; + } + 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); + + /* Even if we have a single chunk, in multi-threaded decoding */ + /* the insertion of our synthetic marker might potentially override */ + /* valid codestream of other codeblocks decoded in parallel. */ + if (cblk->numchunks > 1 || t1->mustuse_cblkdatabuffer) { + OPJ_UINT32 i; + OPJ_UINT32 cblk_len; + + /* Compute whole codeblock length from chunk lengths */ + cblk_len = 0; + for (i = 0; i < cblk->numchunks; i++) { + cblk_len += cblk->chunks[i].len; + } + + /* Allocate temporary memory if needed */ + if (cblk_len + OPJ_COMMON_CBLK_DATA_EXTRA > t1->cblkdatabuffersize) { + cblkdata = (OPJ_BYTE*)opj_realloc(t1->cblkdatabuffer, + cblk_len + OPJ_COMMON_CBLK_DATA_EXTRA); + if (cblkdata == NULL) { + return OPJ_FALSE; + } + t1->cblkdatabuffer = cblkdata; + memset(t1->cblkdatabuffer + cblk_len, 0, OPJ_COMMON_CBLK_DATA_EXTRA); + t1->cblkdatabuffersize = cblk_len + OPJ_COMMON_CBLK_DATA_EXTRA; + } + + /* Concatenate all chunks */ + cblkdata = t1->cblkdatabuffer; + cblk_len = 0; + for (i = 0; i < cblk->numchunks; i++) { + memcpy(cblkdata + cblk_len, cblk->chunks[i].data, cblk->chunks[i].len); + cblk_len += cblk->chunks[i].len; + } + } else if (cblk->numchunks == 1) { + cblkdata = cblk->chunks[0].data; + } else { + /* Not sure if that can happen in practice, but avoid Coverity to */ + /* think we will dereference a null cblkdta pointer */ + return OPJ_TRUE; + } + + /* For subtile decoding, directly decode in the decoded_data buffer of */ + /* the code-block. Hack t1->data to point to it, and restore it later */ + if (cblk->decoded_data) { + original_t1_data = t1->data; + t1->data = cblk->decoded_data; + } + + 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; + + if (type == T1_TYPE_RAW) { + opj_mqc_raw_init_dec(mqc, cblkdata + cblkdataindex, seg->len, + OPJ_COMMON_CBLK_DATA_EXTRA); + } else { + opj_mqc_init_dec(mqc, cblkdata + cblkdataindex, seg->len, + OPJ_COMMON_CBLK_DATA_EXTRA); + } + cblkdataindex += seg->len; + + 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 { + opj_t1_dec_sigpass_mqc(t1, bpno_plus_one, (OPJ_INT32)cblksty); + } + break; + case 1: + if (type == T1_TYPE_RAW) { + opj_t1_dec_refpass_raw(t1, bpno_plus_one); + } else { + opj_t1_dec_refpass_mqc(t1, bpno_plus_one); + } + break; + case 2: + opj_t1_dec_clnpass(t1, bpno_plus_one, (OPJ_INT32)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--; + } + } + + opq_mqc_finish_dec(mqc); + } + + if (check_pterm) { + if (mqc->bp + 2 < mqc->end) { + if (p_manager_mutex) { + opj_mutex_lock(p_manager_mutex); + } + opj_event_msg(p_manager, EVT_WARNING, + "PTERM check failure: %d remaining bytes in code block (%d used / %d)\n", + (int)(mqc->end - mqc->bp) - 2, + (int)(mqc->bp - mqc->start), + (int)(mqc->end - mqc->start)); + if (p_manager_mutex) { + opj_mutex_unlock(p_manager_mutex); + } + } else if (mqc->end_of_byte_stream_counter > 2) { + if (p_manager_mutex) { + opj_mutex_lock(p_manager_mutex); + } + opj_event_msg(p_manager, EVT_WARNING, + "PTERM check failure: %d synthetized 0xFF markers read\n", + mqc->end_of_byte_stream_counter); + if (p_manager_mutex) { + opj_mutex_unlock(p_manager_mutex); + } + } + } + + /* Restore original t1->data is needed */ + if (cblk->decoded_data) { + t1->data = original_t1_data; + } + + return OPJ_TRUE; +} + + +typedef struct { + OPJ_UINT32 compno; + OPJ_UINT32 resno; + opj_tcd_cblk_enc_t* cblk; + opj_tcd_tile_t *tile; + opj_tcd_band_t* band; + opj_tcd_tilecomp_t* tilec; + opj_tccp_t* tccp; + const OPJ_FLOAT64 * mct_norms; + OPJ_UINT32 mct_numcomps; + volatile OPJ_BOOL* pret; + opj_mutex_t* mutex; +} opj_t1_cblk_encode_processing_job_t; + +/** Procedure to deal with a asynchronous code-block encoding job. + * + * @param user_data Pointer to a opj_t1_cblk_encode_processing_job_t* structure + * @param tls TLS handle. + */ +static void opj_t1_cblk_encode_processor(void* user_data, opj_tls_t* tls) +{ + opj_t1_cblk_encode_processing_job_t* job = + (opj_t1_cblk_encode_processing_job_t*)user_data; + opj_tcd_cblk_enc_t* cblk = job->cblk; + const opj_tcd_band_t* band = job->band; + const opj_tcd_tilecomp_t* tilec = job->tilec; + const opj_tccp_t* tccp = job->tccp; + const OPJ_UINT32 resno = job->resno; + opj_t1_t* t1; + const OPJ_UINT32 tile_w = (OPJ_UINT32)(tilec->x1 - tilec->x0); + + OPJ_INT32* OPJ_RESTRICT tiledp; + OPJ_UINT32 cblk_w; + OPJ_UINT32 cblk_h; + OPJ_UINT32 i, j; + + OPJ_INT32 x = cblk->x0 - band->x0; + OPJ_INT32 y = cblk->y0 - band->y0; + + 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_TRUE); /* OPJ_TRUE == T1 for encoding */ + opj_tls_set(tls, OPJ_TLS_KEY_T1, t1, opj_t1_destroy_wrapper); + } + + 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))) { + *(job->pret) = OPJ_FALSE; + opj_free(job); + return; + } + + cblk_w = t1->w; + cblk_h = t1->h; + + tiledp = &tilec->data[(OPJ_SIZE_T)y * tile_w + (OPJ_SIZE_T)x]; + + if (tccp->qmfbid == 1) { + /* Do multiplication on unsigned type, even if the + * underlying type is signed, to avoid potential + * int overflow on large value (the output will be + * incorrect in such situation, but whatever...) + * This assumes complement-to-2 signed integer + * representation + * Fixes https://github.com/uclouvain/openjpeg/issues/1053 + */ + OPJ_UINT32* OPJ_RESTRICT tiledp_u = (OPJ_UINT32*) tiledp; + OPJ_UINT32* OPJ_RESTRICT t1data = (OPJ_UINT32*) t1->data; + /* Change from "natural" order to "zigzag" order of T1 passes */ + for (j = 0; j < (cblk_h & ~3U); j += 4) { + for (i = 0; i < cblk_w; ++i) { + t1data[0] = tiledp_u[(j + 0) * tile_w + i] << T1_NMSEDEC_FRACBITS; + t1data[1] = tiledp_u[(j + 1) * tile_w + i] << T1_NMSEDEC_FRACBITS; + t1data[2] = tiledp_u[(j + 2) * tile_w + i] << T1_NMSEDEC_FRACBITS; + t1data[3] = tiledp_u[(j + 3) * tile_w + i] << T1_NMSEDEC_FRACBITS; + t1data += 4; + } + } + if (j < cblk_h) { + for (i = 0; i < cblk_w; ++i) { + OPJ_UINT32 k; + for (k = j; k < cblk_h; k++) { + t1data[0] = tiledp_u[k * tile_w + i] << T1_NMSEDEC_FRACBITS; + t1data ++; + } + } + } + } else { /* if (tccp->qmfbid == 0) */ + OPJ_FLOAT32* OPJ_RESTRICT tiledp_f = (OPJ_FLOAT32*) tiledp; + OPJ_INT32* OPJ_RESTRICT t1data = t1->data; + /* Change from "natural" order to "zigzag" order of T1 passes */ + for (j = 0; j < (cblk_h & ~3U); j += 4) { + for (i = 0; i < cblk_w; ++i) { + t1data[0] = (OPJ_INT32)opj_lrintf((tiledp_f[(j + 0) * tile_w + i] / + band->stepsize) * (1 << T1_NMSEDEC_FRACBITS)); + t1data[1] = (OPJ_INT32)opj_lrintf((tiledp_f[(j + 1) * tile_w + i] / + band->stepsize) * (1 << T1_NMSEDEC_FRACBITS)); + t1data[2] = (OPJ_INT32)opj_lrintf((tiledp_f[(j + 2) * tile_w + i] / + band->stepsize) * (1 << T1_NMSEDEC_FRACBITS)); + t1data[3] = (OPJ_INT32)opj_lrintf((tiledp_f[(j + 3) * tile_w + i] / + band->stepsize) * (1 << T1_NMSEDEC_FRACBITS)); + t1data += 4; + } + } + if (j < cblk_h) { + for (i = 0; i < cblk_w; ++i) { + OPJ_UINT32 k; + for (k = j; k < cblk_h; k++) { + t1data[0] = (OPJ_INT32)opj_lrintf((tiledp_f[k * tile_w + i] / band->stepsize) + * (1 << T1_NMSEDEC_FRACBITS)); + t1data ++; + } + } + } + } + + { + OPJ_FLOAT64 cumwmsedec = + opj_t1_encode_cblk( + t1, + cblk, + band->bandno, + job->compno, + tilec->numresolutions - 1 - resno, + tccp->qmfbid, + band->stepsize, + tccp->cblksty, + job->tile->numcomps, + job->mct_norms, + job->mct_numcomps); + if (job->mutex) { + opj_mutex_lock(job->mutex); + } + job->tile->distotile += cumwmsedec; + if (job->mutex) { + opj_mutex_unlock(job->mutex); + } + } + + opj_free(job); +} + + +OPJ_BOOL opj_t1_encode_cblks(opj_tcd_t* tcd, + opj_tcd_tile_t *tile, + opj_tcp_t *tcp, + const OPJ_FLOAT64 * mct_norms, + OPJ_UINT32 mct_numcomps + ) +{ + volatile OPJ_BOOL ret = OPJ_TRUE; + opj_thread_pool_t* tp = tcd->thread_pool; + OPJ_UINT32 compno, resno, bandno, precno, cblkno; + opj_mutex_t* mutex = opj_mutex_create(); + + 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]; + + 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]; + + /* Skip empty bands */ + if (opj_tcd_is_band_empty(band)) { + continue; + } + 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_t1_cblk_encode_processing_job_t* job = + (opj_t1_cblk_encode_processing_job_t*) opj_calloc(1, + sizeof(opj_t1_cblk_encode_processing_job_t)); + if (!job) { + ret = OPJ_FALSE; + goto end; + } + job->compno = compno; + job->tile = tile; + job->resno = resno; + job->cblk = cblk; + job->band = band; + job->tilec = tilec; + job->tccp = tccp; + job->mct_norms = mct_norms; + job->mct_numcomps = mct_numcomps; + job->pret = &ret; + job->mutex = mutex; + opj_thread_pool_submit_job(tp, opj_t1_cblk_encode_processor, job); + + } /* cblkno */ + } /* precno */ + } /* bandno */ + } /* resno */ + } /* compno */ + +end: + opj_thread_pool_wait_completion(tcd->thread_pool, 0); + if (mutex) { + opj_mutex_destroy(mutex); + } + + return ret; +} + +/* Returns whether the pass (bpno, passtype) is terminated */ +static int opj_t1_enc_is_term_pass(opj_tcd_cblk_enc_t* cblk, + OPJ_UINT32 cblksty, + OPJ_INT32 bpno, + OPJ_UINT32 passtype) +{ + /* Is it the last cleanup pass ? */ + if (passtype == 2 && bpno == 0) { + return OPJ_TRUE; + } + + if (cblksty & J2K_CCP_CBLKSTY_TERMALL) { + return OPJ_TRUE; + } + + if ((cblksty & J2K_CCP_CBLKSTY_LAZY)) { + /* For bypass arithmetic bypass, terminate the 4th cleanup pass */ + if ((bpno == ((OPJ_INT32)cblk->numbps - 4)) && (passtype == 2)) { + return OPJ_TRUE; + } + /* and beyond terminate all the magnitude refinement passes (in raw) */ + /* and cleanup passes (in MQC) */ + if ((bpno < ((OPJ_INT32)(cblk->numbps) - 4)) && (passtype > 0)) { + return OPJ_TRUE; + } + } + + return OPJ_FALSE; +} + + +/** mod fixed_quality */ +static OPJ_FLOAT64 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, + 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; + OPJ_INT32* datap; + +#ifdef EXTRA_DEBUG + printf("encode_cblk(x=%d,y=%d,x1=%d,y1=%d,orient=%d,compno=%d,level=%d\n", + cblk->x0, cblk->y0, cblk->x1, cblk->y1, orient, compno, level); +#endif + + mqc->lut_ctxno_zc_orient = lut_ctxno_zc + (orient << 9); + + max = 0; + datap = t1->data; + for (j = 0; j < t1->h; ++j) { + const OPJ_UINT32 w = t1->w; + for (i = 0; i < w; ++i, ++datap) { + OPJ_INT32 tmp = *datap; + if (tmp < 0) { + OPJ_UINT32 tmp_unsigned; + max = opj_int_max(max, -tmp); + tmp_unsigned = opj_to_smr(tmp); + memcpy(datap, &tmp_unsigned, sizeof(OPJ_INT32)); + } else { + max = opj_int_max(max, tmp); + } + } + } + + cblk->numbps = max ? (OPJ_UINT32)((opj_int_floorlog2(max) + 1) - + T1_NMSEDEC_FRACBITS) : 0; + if (cblk->numbps == 0) { + cblk->totalpasses = 0; + return cumwmsedec; + } + + 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]; + type = ((bpno < ((OPJ_INT32)(cblk->numbps) - 4)) && (passtype < 2) && + (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ; + + /* If the previous pass was terminating, we need to reset the encoder */ + if (passno > 0 && cblk->passes[passno - 1].term) { + if (type == T1_TYPE_RAW) { + opj_mqc_bypass_init_enc(mqc); + } else { + opj_mqc_restart_init_enc(mqc); + } + } + + switch (passtype) { + case 0: + opj_t1_enc_sigpass(t1, bpno, &nmsedec, type, cblksty); + break; + case 1: + opj_t1_enc_refpass(t1, bpno, &nmsedec, type); + 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; + pass->distortiondec = cumwmsedec; + + if (opj_t1_enc_is_term_pass(cblk, cblksty, bpno, passtype)) { + /* If it is a terminated pass, terminate it */ + if (type == T1_TYPE_RAW) { + opj_mqc_bypass_flush_enc(mqc, cblksty & J2K_CCP_CBLKSTY_PTERM); + } else { + if (cblksty & J2K_CCP_CBLKSTY_PTERM) { + opj_mqc_erterm_enc(mqc); + } else { + opj_mqc_flush(mqc); + } + } + pass->term = 1; + pass->rate = opj_mqc_numbytes(mqc); + } else { + /* Non terminated pass */ + OPJ_UINT32 rate_extra_bytes; + if (type == T1_TYPE_RAW) { + rate_extra_bytes = opj_mqc_bypass_get_extra_bytes( + mqc, (cblksty & J2K_CCP_CBLKSTY_PTERM)); + } else { + rate_extra_bytes = 3; + } + pass->term = 0; + pass->rate = opj_mqc_numbytes(mqc) + rate_extra_bytes; + } + + if (++passtype == 3) { + passtype = 0; + bpno--; + } + + /* Code-switch "RESET" */ + if (cblksty & J2K_CCP_CBLKSTY_RESET) { + opj_mqc_reset_enc(mqc); + } + } + + cblk->totalpasses = passno; + + if (cblk->totalpasses) { + /* Make sure that pass rates are increasing */ + OPJ_UINT32 last_pass_rate = opj_mqc_numbytes(mqc); + for (passno = cblk->totalpasses; passno > 0;) { + opj_tcd_pass_t *pass = &cblk->passes[--passno]; + if (pass->rate > last_pass_rate) { + pass->rate = last_pass_rate; + } else { + last_pass_rate = pass->rate; + } + } + } + + for (passno = 0; passno < cblk->totalpasses; passno++) { + opj_tcd_pass_t *pass = &cblk->passes[passno]; + + /* Prevent generation of FF as last data byte of a pass*/ + /* For terminating passes, the flushing procedure ensured this already */ + assert(pass->rate > 0); + if (cblk->data[pass->rate - 1] == 0xFF) { + pass->rate--; + } + pass->len = pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate); + } + +#ifdef EXTRA_DEBUG + printf(" len=%d\n", (cblk->totalpasses) ? opj_mqc_numbytes(mqc) : 0); + + /* Check that there not 0xff >=0x90 sequences */ + if (cblk->totalpasses) { + OPJ_UINT32 i; + OPJ_UINT32 len = opj_mqc_numbytes(mqc); + for (i = 1; i < len; ++i) { + if (cblk->data[i - 1] == 0xff && cblk->data[i] >= 0x90) { + printf("0xff %02x at offset %d\n", cblk->data[i], i - 1); + abort(); + } + } + } +#endif + + return cumwmsedec; +} |