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Diffstat (limited to 'third_party/libopenjpeg20/t1.c')
| -rw-r--r-- | third_party/libopenjpeg20/t1.c | 1774 |
1 files changed, 1774 insertions, 0 deletions
diff --git a/third_party/libopenjpeg20/t1.c b/third_party/libopenjpeg20/t1.c new file mode 100644 index 0000000000..8cb230f48e --- /dev/null +++ b/third_party/libopenjpeg20/t1.c @@ -0,0 +1,1774 @@ +/* + * The copyright in this software is being made available under the 2-clauses + * BSD License, included below. This software may be subject to other third + * party and contributor rights, including patent rights, and no such rights + * are granted under this license. + * + * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium + * Copyright (c) 2002-2014, Professor Benoit Macq + * Copyright (c) 2001-2003, David Janssens + * Copyright (c) 2002-2003, Yannick Verschueren + * Copyright (c) 2003-2007, Francois-Olivier Devaux + * Copyright (c) 2003-2014, Antonin Descampe + * Copyright (c) 2005, Herve Drolon, FreeImage Team + * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include "opj_includes.h" +#include "t1_luts.h" + +/** @defgroup T1 T1 - Implementation of the tier-1 coding */ +/*@{*/ + +/** @name Local static functions */ +/*@{*/ + +static INLINE OPJ_BYTE opj_t1_getctxno_zc(OPJ_UINT32 f, OPJ_UINT32 orient); +static OPJ_BYTE opj_t1_getctxno_sc(OPJ_UINT32 f); +static INLINE OPJ_UINT32 opj_t1_getctxno_mag(OPJ_UINT32 f); +static OPJ_BYTE opj_t1_getspb(OPJ_UINT32 f); +static OPJ_INT16 opj_t1_getnmsedec_sig(OPJ_UINT32 x, OPJ_UINT32 bitpos); +static OPJ_INT16 opj_t1_getnmsedec_ref(OPJ_UINT32 x, OPJ_UINT32 bitpos); +static void opj_t1_updateflags(opj_flag_t *flagsp, OPJ_UINT32 s, OPJ_UINT32 stride); +/** +Encode significant pass +*/ +static void opj_t1_enc_sigpass_step(opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_UINT32 orient, + OPJ_INT32 bpno, + OPJ_INT32 one, + OPJ_INT32 *nmsedec, + OPJ_BYTE type, + OPJ_UINT32 vsc); + +/** +Decode significant pass +*/ +#if 0 +static void opj_t1_dec_sigpass_step(opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_UINT32 orient, + OPJ_INT32 oneplushalf, + OPJ_BYTE type, + OPJ_UINT32 vsc); +#endif + +static INLINE void opj_t1_dec_sigpass_step_raw( + opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_INT32 orient, + OPJ_INT32 oneplushalf, + OPJ_INT32 vsc); +static INLINE void opj_t1_dec_sigpass_step_mqc( + opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_INT32 orient, + OPJ_INT32 oneplushalf); +static INLINE void opj_t1_dec_sigpass_step_mqc_vsc( + opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_INT32 orient, + OPJ_INT32 oneplushalf, + OPJ_INT32 vsc); + + +/** +Encode significant pass +*/ +static void opj_t1_enc_sigpass( opj_t1_t *t1, + OPJ_INT32 bpno, + OPJ_UINT32 orient, + 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 orient, + OPJ_INT32 cblksty); +static void opj_t1_dec_sigpass_mqc( + opj_t1_t *t1, + OPJ_INT32 bpno, + OPJ_INT32 orient); +static void opj_t1_dec_sigpass_mqc_vsc( + opj_t1_t *t1, + OPJ_INT32 bpno, + OPJ_INT32 orient); + + + +/** +Encode refinement pass +*/ +static void opj_t1_enc_refpass_step(opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_INT32 bpno, + OPJ_INT32 one, + OPJ_INT32 *nmsedec, + OPJ_BYTE type, + OPJ_UINT32 vsc); + + +/** +Encode refinement pass +*/ +static void opj_t1_enc_refpass( opj_t1_t *t1, + OPJ_INT32 bpno, + OPJ_INT32 *nmsedec, + OPJ_BYTE type, + OPJ_UINT32 cblksty); + +/** +Decode refinement pass +*/ +static void opj_t1_dec_refpass_raw( + opj_t1_t *t1, + OPJ_INT32 bpno, + OPJ_INT32 cblksty); +static void opj_t1_dec_refpass_mqc( + opj_t1_t *t1, + OPJ_INT32 bpno); +static void opj_t1_dec_refpass_mqc_vsc( + opj_t1_t *t1, + OPJ_INT32 bpno); + + +/** +Decode refinement pass +*/ +#if 0 +static void opj_t1_dec_refpass_step(opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_INT32 poshalf, + OPJ_INT32 neghalf, + OPJ_BYTE type, + OPJ_UINT32 vsc); +#endif + +static INLINE void opj_t1_dec_refpass_step_raw( + opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_INT32 poshalf, + OPJ_INT32 neghalf, + OPJ_INT32 vsc); +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); +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); + + + +/** +Encode clean-up pass +*/ +static void opj_t1_enc_clnpass_step( + opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_UINT32 orient, + OPJ_INT32 bpno, + OPJ_INT32 one, + OPJ_INT32 *nmsedec, + OPJ_UINT32 partial, + OPJ_UINT32 vsc); +/** +Decode clean-up pass +*/ +static void opj_t1_dec_clnpass_step_partial( + opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_INT32 orient, + OPJ_INT32 oneplushalf); +static void opj_t1_dec_clnpass_step( + opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_INT32 orient, + OPJ_INT32 oneplushalf); +static void opj_t1_dec_clnpass_step_vsc( + opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_INT32 orient, + OPJ_INT32 oneplushalf, + OPJ_INT32 partial, + OPJ_INT32 vsc); +/** +Encode clean-up pass +*/ +static void opj_t1_enc_clnpass( + opj_t1_t *t1, + OPJ_INT32 bpno, + OPJ_UINT32 orient, + OPJ_INT32 *nmsedec, + OPJ_UINT32 cblksty); +/** +Decode clean-up pass +*/ +static void opj_t1_dec_clnpass( + opj_t1_t *t1, + OPJ_INT32 bpno, + OPJ_INT32 orient, + OPJ_INT32 cblksty); + +static OPJ_FLOAT64 opj_t1_getwmsedec( + OPJ_INT32 nmsedec, + OPJ_UINT32 compno, + OPJ_UINT32 level, + OPJ_UINT32 orient, + OPJ_INT32 bpno, + OPJ_UINT32 qmfbid, + OPJ_FLOAT64 stepsize, + OPJ_UINT32 numcomps, + const OPJ_FLOAT64 * mct_norms, + OPJ_UINT32 mct_numcomps); + +static void opj_t1_encode_cblk( opj_t1_t *t1, + opj_tcd_cblk_enc_t* cblk, + OPJ_UINT32 orient, + OPJ_UINT32 compno, + OPJ_UINT32 level, + OPJ_UINT32 qmfbid, + OPJ_FLOAT64 stepsize, + OPJ_UINT32 cblksty, + OPJ_UINT32 numcomps, + opj_tcd_tile_t * tile, + const OPJ_FLOAT64 * mct_norms, + OPJ_UINT32 mct_numcomps); + +/** +Decode 1 code-block +@param t1 T1 handle +@param cblk Code-block coding parameters +@param orient +@param roishift Region of interest shifting value +@param cblksty Code-block style +*/ +static OPJ_BOOL opj_t1_decode_cblk( opj_t1_t *t1, + opj_tcd_cblk_dec_t* cblk, + OPJ_UINT32 orient, + OPJ_UINT32 roishift, + OPJ_UINT32 cblksty); + +OPJ_BOOL opj_t1_allocate_buffers( opj_t1_t *t1, + OPJ_UINT32 w, + OPJ_UINT32 h); + +/*@}*/ + +/*@}*/ + +/* ----------------------------------------------------------------------- */ + +OPJ_BYTE opj_t1_getctxno_zc(OPJ_UINT32 f, OPJ_UINT32 orient) { + return lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)]; +} + +OPJ_BYTE opj_t1_getctxno_sc(OPJ_UINT32 f) { + return lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4]; +} + +OPJ_UINT32 opj_t1_getctxno_mag(OPJ_UINT32 f) { + OPJ_UINT32 tmp1 = (f & T1_SIG_OTH) ? T1_CTXNO_MAG + 1 : T1_CTXNO_MAG; + OPJ_UINT32 tmp2 = (f & T1_REFINE) ? T1_CTXNO_MAG + 2 : tmp1; + return (tmp2); +} + +OPJ_BYTE opj_t1_getspb(OPJ_UINT32 f) { + return lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4]; +} + +OPJ_INT16 opj_t1_getnmsedec_sig(OPJ_UINT32 x, OPJ_UINT32 bitpos) { + if (bitpos > T1_NMSEDEC_FRACBITS) { + return lut_nmsedec_sig[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)]; + } + + return lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)]; +} + +OPJ_INT16 opj_t1_getnmsedec_ref(OPJ_UINT32 x, OPJ_UINT32 bitpos) { + if (bitpos > T1_NMSEDEC_FRACBITS) { + return lut_nmsedec_ref[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)]; + } + + return lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)]; +} + +void opj_t1_updateflags(opj_flag_t *flagsp, OPJ_UINT32 s, OPJ_UINT32 stride) { + opj_flag_t *np = flagsp - stride; + opj_flag_t *sp = flagsp + stride; + + static const opj_flag_t mod[] = { + T1_SIG_S, T1_SIG_S|T1_SGN_S, + T1_SIG_E, T1_SIG_E|T1_SGN_E, + T1_SIG_W, T1_SIG_W|T1_SGN_W, + T1_SIG_N, T1_SIG_N|T1_SGN_N + }; + + np[-1] |= T1_SIG_SE; + np[0] |= mod[s]; + np[1] |= T1_SIG_SW; + + flagsp[-1] |= mod[s+2]; + flagsp[0] |= T1_SIG; + flagsp[1] |= mod[s+4]; + + sp[-1] |= T1_SIG_NE; + sp[0] |= mod[s+6]; + sp[1] |= T1_SIG_NW; +} + +void opj_t1_enc_sigpass_step( opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_UINT32 orient, + OPJ_INT32 bpno, + OPJ_INT32 one, + OPJ_INT32 *nmsedec, + OPJ_BYTE type, + OPJ_UINT32 vsc + ) +{ + OPJ_INT32 v; + OPJ_UINT32 flag; + + opj_mqc_t *mqc = t1->mqc; /* MQC component */ + + flag = vsc ? (OPJ_UINT32)((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (OPJ_UINT32)(*flagsp); + if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { + v = opj_int_abs(*datap) & one ? 1 : 0; + opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(flag, orient)); /* ESSAI */ + if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ + opj_mqc_bypass_enc(mqc, (OPJ_UINT32)v); + } else { + opj_mqc_encode(mqc, (OPJ_UINT32)v); + } + if (v) { + v = *datap < 0 ? 1 : 0; + *nmsedec += opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap), (OPJ_UINT32)(bpno + T1_NMSEDEC_FRACBITS)); + opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(flag)); /* ESSAI */ + if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ + opj_mqc_bypass_enc(mqc, (OPJ_UINT32)v); + } else { + opj_mqc_encode(mqc, (OPJ_UINT32)(v ^ opj_t1_getspb((OPJ_UINT32)flag))); + } + opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride); + } + *flagsp |= T1_VISIT; + } +} + + +static INLINE void opj_t1_dec_sigpass_step_raw( + opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_INT32 orient, + OPJ_INT32 oneplushalf, + OPJ_INT32 vsc) +{ + OPJ_INT32 v, flag; + opj_raw_t *raw = t1->raw; /* RAW component */ + OPJ_ARG_NOT_USED(orient); + + flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp); + if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { + if (opj_raw_decode(raw)) { + v = (OPJ_INT32)opj_raw_decode(raw); /* ESSAI */ + *datap = v ? -oneplushalf : oneplushalf; + opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride); + } + *flagsp |= T1_VISIT; + } +} + +INLINE void opj_t1_dec_sigpass_step_mqc( + opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_INT32 orient, + OPJ_INT32 oneplushalf) +{ + OPJ_INT32 v, flag; + + opj_mqc_t *mqc = t1->mqc; /* MQC component */ + + flag = *flagsp; + if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { + opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient)); + if (opj_mqc_decode(mqc)) { + opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag)); + v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag); + *datap = v ? -oneplushalf : oneplushalf; + opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride); + } + *flagsp |= T1_VISIT; + } +} /* VSC and BYPASS by Antonin */ + +INLINE void opj_t1_dec_sigpass_step_mqc_vsc( + opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_INT32 orient, + OPJ_INT32 oneplushalf, + OPJ_INT32 vsc) +{ + OPJ_INT32 v, flag; + + opj_mqc_t *mqc = t1->mqc; /* MQC component */ + + flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp); + if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { + opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient)); + if (opj_mqc_decode(mqc)) { + opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag)); + v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag); + *datap = v ? -oneplushalf : oneplushalf; + opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride); + } + *flagsp |= T1_VISIT; + } +} /* VSC and BYPASS by Antonin */ + + + +void opj_t1_enc_sigpass(opj_t1_t *t1, + OPJ_INT32 bpno, + OPJ_UINT32 orient, + OPJ_INT32 *nmsedec, + OPJ_BYTE type, + OPJ_UINT32 cblksty + ) +{ + OPJ_UINT32 i, j, k, vsc; + OPJ_INT32 one; + + *nmsedec = 0; + one = 1 << (bpno + T1_NMSEDEC_FRACBITS); + for (k = 0; k < t1->h; k += 4) { + for (i = 0; i < t1->w; ++i) { + for (j = k; j < k + 4 && j < t1->h; ++j) { + vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0; + opj_t1_enc_sigpass_step( + t1, + &t1->flags[((j+1) * t1->flags_stride) + i + 1], + &t1->data[(j * t1->data_stride) + i], + orient, + bpno, + one, + nmsedec, + type, + vsc); + } + } + } +} + +void opj_t1_dec_sigpass_raw( + opj_t1_t *t1, + OPJ_INT32 bpno, + OPJ_INT32 orient, + OPJ_INT32 cblksty) +{ + OPJ_INT32 one, half, oneplushalf, vsc; + OPJ_UINT32 i, j, k; + one = 1 << bpno; + half = one >> 1; + oneplushalf = one | half; + for (k = 0; k < t1->h; k += 4) { + for (i = 0; i < t1->w; ++i) { + for (j = k; j < k + 4 && j < t1->h; ++j) { + vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0; + opj_t1_dec_sigpass_step_raw( + t1, + &t1->flags[((j+1) * t1->flags_stride) + i + 1], + &t1->data[(j * t1->w) + i], + orient, + oneplushalf, + vsc); + } + } + } +} /* VSC and BYPASS by Antonin */ + +void opj_t1_dec_sigpass_mqc( + opj_t1_t *t1, + OPJ_INT32 bpno, + OPJ_INT32 orient) +{ + OPJ_INT32 one, half, oneplushalf; + OPJ_UINT32 i, j, k; + OPJ_INT32 *data1 = t1->data; + opj_flag_t *flags1 = &t1->flags[1]; + one = 1 << bpno; + half = one >> 1; + oneplushalf = one | half; + for (k = 0; k < (t1->h & ~3u); k += 4) { + for (i = 0; i < t1->w; ++i) { + OPJ_INT32 *data2 = data1 + i; + opj_flag_t *flags2 = flags1 + i; + flags2 += t1->flags_stride; + opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf); + data2 += t1->w; + flags2 += t1->flags_stride; + opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf); + data2 += t1->w; + flags2 += t1->flags_stride; + opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf); + data2 += t1->w; + flags2 += t1->flags_stride; + opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf); + data2 += t1->w; + } + data1 += t1->w << 2; + flags1 += t1->flags_stride << 2; + } + for (i = 0; i < t1->w; ++i) { + OPJ_INT32 *data2 = data1 + i; + opj_flag_t *flags2 = flags1 + i; + for (j = k; j < t1->h; ++j) { + flags2 += t1->flags_stride; + opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf); + data2 += t1->w; + } + } +} /* VSC and BYPASS by Antonin */ + +void opj_t1_dec_sigpass_mqc_vsc( + opj_t1_t *t1, + OPJ_INT32 bpno, + OPJ_INT32 orient) +{ + OPJ_INT32 one, half, oneplushalf, vsc; + OPJ_UINT32 i, j, k; + one = 1 << bpno; + half = one >> 1; + oneplushalf = one | half; + for (k = 0; k < t1->h; k += 4) { + for (i = 0; i < t1->w; ++i) { + for (j = k; j < k + 4 && j < t1->h; ++j) { + vsc = (j == k + 3 || j == t1->h - 1) ? 1 : 0; + opj_t1_dec_sigpass_step_mqc_vsc( + t1, + &t1->flags[((j+1) * t1->flags_stride) + i + 1], + &t1->data[(j * t1->w) + i], + orient, + oneplushalf, + vsc); + } + } + } +} /* VSC and BYPASS by Antonin */ + + + +void opj_t1_enc_refpass_step( opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_INT32 bpno, + OPJ_INT32 one, + OPJ_INT32 *nmsedec, + OPJ_BYTE type, + OPJ_UINT32 vsc) +{ + OPJ_INT32 v; + OPJ_UINT32 flag; + + opj_mqc_t *mqc = t1->mqc; /* MQC component */ + + flag = vsc ? (OPJ_UINT32)((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (OPJ_UINT32)(*flagsp); + if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { + *nmsedec += opj_t1_getnmsedec_ref((OPJ_UINT32)opj_int_abs(*datap), (OPJ_UINT32)(bpno + T1_NMSEDEC_FRACBITS)); + v = opj_int_abs(*datap) & one ? 1 : 0; + opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag(flag)); /* ESSAI */ + if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ + opj_mqc_bypass_enc(mqc, (OPJ_UINT32)v); + } else { + opj_mqc_encode(mqc, (OPJ_UINT32)v); + } + *flagsp |= T1_REFINE; + } +} + +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_INT32 vsc) +{ + OPJ_INT32 v, t, flag; + + opj_raw_t *raw = t1->raw; /* RAW component */ + + flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp); + if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { + v = (OPJ_INT32)opj_raw_decode(raw); + t = v ? poshalf : neghalf; + *datap += *datap < 0 ? -t : t; + *flagsp |= T1_REFINE; + } +} /* VSC and BYPASS by Antonin */ + +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_INT32 v, t, flag; + + opj_mqc_t *mqc = t1->mqc; /* MQC component */ + + flag = *flagsp; + if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { + opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag((OPJ_UINT32)flag)); /* ESSAI */ + v = opj_mqc_decode(mqc); + t = v ? poshalf : neghalf; + *datap += *datap < 0 ? -t : t; + *flagsp |= T1_REFINE; + } +} /* VSC and BYPASS by Antonin */ + +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_INT32 v, t, flag; + + opj_mqc_t *mqc = t1->mqc; /* MQC component */ + + flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp); + if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { + opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag((OPJ_UINT32)flag)); /* ESSAI */ + v = opj_mqc_decode(mqc); + t = v ? poshalf : neghalf; + *datap += *datap < 0 ? -t : t; + *flagsp |= T1_REFINE; + } +} /* VSC and BYPASS by Antonin */ + + +void opj_t1_enc_refpass( + opj_t1_t *t1, + OPJ_INT32 bpno, + OPJ_INT32 *nmsedec, + OPJ_BYTE type, + OPJ_UINT32 cblksty) +{ + OPJ_UINT32 i, j, k, vsc; + OPJ_INT32 one; + + *nmsedec = 0; + one = 1 << (bpno + T1_NMSEDEC_FRACBITS); + for (k = 0; k < t1->h; k += 4) { + for (i = 0; i < t1->w; ++i) { + for (j = k; j < k + 4 && j < t1->h; ++j) { + vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0; + opj_t1_enc_refpass_step( + t1, + &t1->flags[((j+1) * t1->flags_stride) + i + 1], + &t1->data[(j * t1->data_stride) + i], + bpno, + one, + nmsedec, + type, + vsc); + } + } + } +} + +void opj_t1_dec_refpass_raw( + opj_t1_t *t1, + OPJ_INT32 bpno, + OPJ_INT32 cblksty) +{ + OPJ_INT32 one, poshalf, neghalf; + OPJ_UINT32 i, j, k; + OPJ_INT32 vsc; + one = 1 << bpno; + poshalf = one >> 1; + neghalf = bpno > 0 ? -poshalf : -1; + for (k = 0; k < t1->h; k += 4) { + for (i = 0; i < t1->w; ++i) { + for (j = k; j < k + 4 && j < t1->h; ++j) { + vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0; + opj_t1_dec_refpass_step_raw( + t1, + &t1->flags[((j+1) * t1->flags_stride) + i + 1], + &t1->data[(j * t1->w) + i], + poshalf, + neghalf, + vsc); + } + } + } +} /* VSC and BYPASS by Antonin */ + +void opj_t1_dec_refpass_mqc( + 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 *flags1 = &t1->flags[1]; + 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_flag_t *flags2 = flags1 + i; + flags2 += t1->flags_stride; + opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf); + data2 += t1->w; + flags2 += t1->flags_stride; + opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf); + data2 += t1->w; + flags2 += t1->flags_stride; + opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf); + data2 += t1->w; + flags2 += t1->flags_stride; + opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf); + data2 += t1->w; + } + data1 += t1->w << 2; + flags1 += t1->flags_stride << 2; + } + for (i = 0; i < t1->w; ++i) { + OPJ_INT32 *data2 = data1 + i; + opj_flag_t *flags2 = flags1 + i; + for (j = k; j < t1->h; ++j) { + flags2 += t1->flags_stride; + opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf); + data2 += t1->w; + } + } +} /* VSC and BYPASS by Antonin */ + +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; + one = 1 << bpno; + poshalf = one >> 1; + neghalf = bpno > 0 ? -poshalf : -1; + for (k = 0; k < t1->h; k += 4) { + for (i = 0; i < t1->w; ++i) { + for (j = k; j < k + 4 && j < t1->h; ++j) { + vsc = ((j == k + 3 || j == t1->h - 1)) ? 1 : 0; + opj_t1_dec_refpass_step_mqc_vsc( + t1, + &t1->flags[((j+1) * t1->flags_stride) + i + 1], + &t1->data[(j * t1->w) + i], + poshalf, + neghalf, + vsc); + } + } + } +} /* VSC and BYPASS by Antonin */ + + +void opj_t1_enc_clnpass_step( + opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_UINT32 orient, + OPJ_INT32 bpno, + OPJ_INT32 one, + OPJ_INT32 *nmsedec, + OPJ_UINT32 partial, + OPJ_UINT32 vsc) +{ + OPJ_INT32 v; + OPJ_UINT32 flag; + + opj_mqc_t *mqc = t1->mqc; /* MQC component */ + + flag = vsc ? (OPJ_UINT32)((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (OPJ_UINT32)(*flagsp); + if (partial) { + goto LABEL_PARTIAL; + } + if (!(*flagsp & (T1_SIG | T1_VISIT))) { + opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(flag, orient)); + v = opj_int_abs(*datap) & one ? 1 : 0; + opj_mqc_encode(mqc, (OPJ_UINT32)v); + if (v) { +LABEL_PARTIAL: + *nmsedec += opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap), (OPJ_UINT32)(bpno + T1_NMSEDEC_FRACBITS)); + opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(flag)); + v = *datap < 0 ? 1 : 0; + opj_mqc_encode(mqc, (OPJ_UINT32)(v ^ opj_t1_getspb((OPJ_UINT32)flag))); + opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride); + } + } + *flagsp &= ~T1_VISIT; +} + +static void opj_t1_dec_clnpass_step_partial( + opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_INT32 orient, + OPJ_INT32 oneplushalf) +{ + OPJ_INT32 v, flag; + opj_mqc_t *mqc = t1->mqc; /* MQC component */ + + OPJ_ARG_NOT_USED(orient); + + flag = *flagsp; + opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag)); + v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag); + *datap = v ? -oneplushalf : oneplushalf; + opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride); + *flagsp &= ~T1_VISIT; +} /* VSC and BYPASS by Antonin */ + +static void opj_t1_dec_clnpass_step( + opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_INT32 orient, + OPJ_INT32 oneplushalf) +{ + OPJ_INT32 v, flag; + + opj_mqc_t *mqc = t1->mqc; /* MQC component */ + + flag = *flagsp; + if (!(flag & (T1_SIG | T1_VISIT))) { + opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient)); + if (opj_mqc_decode(mqc)) { + opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag)); + v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag); + *datap = v ? -oneplushalf : oneplushalf; + opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride); + } + } + *flagsp &= ~T1_VISIT; +} /* VSC and BYPASS by Antonin */ + +static void opj_t1_dec_clnpass_step_vsc( + opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_INT32 orient, + OPJ_INT32 oneplushalf, + OPJ_INT32 partial, + OPJ_INT32 vsc) +{ + OPJ_INT32 v, flag; + + opj_mqc_t *mqc = t1->mqc; /* MQC component */ + + flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp); + if (partial) { + goto LABEL_PARTIAL; + } + if (!(flag & (T1_SIG | T1_VISIT))) { + opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient)); + if (opj_mqc_decode(mqc)) { +LABEL_PARTIAL: + opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag)); + v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag); + *datap = v ? -oneplushalf : oneplushalf; + opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride); + } + } + *flagsp &= ~T1_VISIT; +} + +void opj_t1_enc_clnpass( + opj_t1_t *t1, + OPJ_INT32 bpno, + OPJ_UINT32 orient, + OPJ_INT32 *nmsedec, + OPJ_UINT32 cblksty) +{ + OPJ_UINT32 i, j, k; + OPJ_INT32 one; + OPJ_UINT32 agg, runlen, vsc; + + opj_mqc_t *mqc = t1->mqc; /* MQC component */ + + *nmsedec = 0; + one = 1 << (bpno + T1_NMSEDEC_FRACBITS); + for (k = 0; k < t1->h; k += 4) { + for (i = 0; i < t1->w; ++i) { + if (k + 3 < t1->h) { + if (cblksty & J2K_CCP_CBLKSTY_VSC) { + agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) + || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) + || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) + || (MACRO_t1_flags(1 + k + 3,1 + i) + & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH)); + } else { + agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) + || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) + || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) + || MACRO_t1_flags(1 + k + 3,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)); + } + } else { + agg = 0; + } + if (agg) { + for (runlen = 0; runlen < 4; ++runlen) { + if (opj_int_abs(t1->data[((k + runlen)*t1->data_stride) + i]) & one) + break; + } + opj_mqc_setcurctx(mqc, T1_CTXNO_AGG); + opj_mqc_encode(mqc, runlen != 4); + if (runlen == 4) { + continue; + } + opj_mqc_setcurctx(mqc, T1_CTXNO_UNI); + opj_mqc_encode(mqc, runlen >> 1); + opj_mqc_encode(mqc, runlen & 1); + } else { + runlen = 0; + } + for (j = k + runlen; j < k + 4 && j < t1->h; ++j) { + vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0; + opj_t1_enc_clnpass_step( + t1, + &t1->flags[((j+1) * t1->flags_stride) + i + 1], + &t1->data[(j * t1->data_stride) + i], + orient, + bpno, + one, + nmsedec, + agg && (j == k + runlen), + vsc); + } + } + } +} + +static void opj_t1_dec_clnpass( + opj_t1_t *t1, + OPJ_INT32 bpno, + OPJ_INT32 orient, + OPJ_INT32 cblksty) +{ + OPJ_INT32 one, half, oneplushalf, agg, runlen, vsc; + OPJ_UINT32 i, j, k; + OPJ_INT32 segsym = cblksty & J2K_CCP_CBLKSTY_SEGSYM; + + opj_mqc_t *mqc = t1->mqc; /* MQC component */ + + one = 1 << bpno; + half = one >> 1; + oneplushalf = one | half; + if (cblksty & J2K_CCP_CBLKSTY_VSC) { + for (k = 0; k < t1->h; k += 4) { + for (i = 0; i < t1->w; ++i) { + if (k + 3 < t1->h) { + agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) + || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) + || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) + || (MACRO_t1_flags(1 + k + 3,1 + i) + & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH)); + } else { + agg = 0; + } + if (agg) { + opj_mqc_setcurctx(mqc, T1_CTXNO_AGG); + if (!opj_mqc_decode(mqc)) { + continue; + } + opj_mqc_setcurctx(mqc, T1_CTXNO_UNI); + runlen = opj_mqc_decode(mqc); + runlen = (runlen << 1) | opj_mqc_decode(mqc); + } else { + runlen = 0; + } + for (j = k + (OPJ_UINT32)runlen; j < k + 4 && j < t1->h; ++j) { + vsc = (j == k + 3 || j == t1->h - 1) ? 1 : 0; + opj_t1_dec_clnpass_step_vsc( + t1, + &t1->flags[((j+1) * t1->flags_stride) + i + 1], + &t1->data[(j * t1->w) + i], + orient, + oneplushalf, + agg && (j == k + (OPJ_UINT32)runlen), + vsc); + } + } + } + } else { + OPJ_INT32 *data1 = t1->data; + opj_flag_t *flags1 = &t1->flags[1]; + for (k = 0; k < (t1->h & ~3u); k += 4) { + for (i = 0; i < t1->w; ++i) { + OPJ_INT32 *data2 = data1 + i; + opj_flag_t *flags2 = flags1 + i; + agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) + || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) + || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) + || MACRO_t1_flags(1 + k + 3,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)); + if (agg) { + opj_mqc_setcurctx(mqc, T1_CTXNO_AGG); + if (!opj_mqc_decode(mqc)) { + continue; + } + opj_mqc_setcurctx(mqc, T1_CTXNO_UNI); + runlen = opj_mqc_decode(mqc); + runlen = (runlen << 1) | opj_mqc_decode(mqc); + flags2 += (OPJ_UINT32)runlen * t1->flags_stride; + data2 += (OPJ_UINT32)runlen * t1->w; + for (j = k + (OPJ_UINT32)runlen; j < k + 4 && j < t1->h; ++j) { + flags2 += t1->flags_stride; + if (agg && (j == k + (OPJ_UINT32)runlen)) { + opj_t1_dec_clnpass_step_partial(t1, flags2, data2, orient, oneplushalf); + } else { + opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf); + } + data2 += t1->w; + } + } else { + flags2 += t1->flags_stride; + opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf); + data2 += t1->w; + flags2 += t1->flags_stride; + opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf); + data2 += t1->w; + flags2 += t1->flags_stride; + opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf); + data2 += t1->w; + flags2 += t1->flags_stride; + opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf); + data2 += t1->w; + } + } + data1 += t1->w << 2; + flags1 += t1->flags_stride << 2; + } + for (i = 0; i < t1->w; ++i) { + OPJ_INT32 *data2 = data1 + i; + opj_flag_t *flags2 = flags1 + i; + for (j = k; j < t1->h; ++j) { + flags2 += t1->flags_stride; + opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf); + data2 += t1->w; + } + } + } + + if (segsym) { + OPJ_INT32 v = 0; + opj_mqc_setcurctx(mqc, T1_CTXNO_UNI); + v = opj_mqc_decode(mqc); + v = (v << 1) | opj_mqc_decode(mqc); + v = (v << 1) | opj_mqc_decode(mqc); + v = (v << 1) | opj_mqc_decode(mqc); + /* + if (v!=0xa) { + opj_event_msg(t1->cinfo, EVT_WARNING, "Bad segmentation symbol %x\n", v); + } + */ + } +} /* VSC and BYPASS by Antonin */ + + +/** 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; +} + +OPJ_BOOL opj_t1_allocate_buffers( + opj_t1_t *t1, + OPJ_UINT32 w, + OPJ_UINT32 h) +{ + OPJ_UINT32 datasize=w * h; + OPJ_UINT32 flagssize; + + /* encoder uses tile buffer, so no need to allocate */ + if (!t1->encoder) { + 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(t1->data,0,datasize * sizeof(OPJ_INT32)); + } + t1->flags_stride=w+2; + flagssize=t1->flags_stride * (h+2); + + 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)); + + 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); +} + +OPJ_BOOL opj_t1_decode_cblks( opj_t1_t* t1, + opj_tcd_tilecomp_t* tilec, + opj_tccp_t* tccp + ) +{ + OPJ_UINT32 resno, bandno, precno, cblkno; + OPJ_UINT32 tile_w = (OPJ_UINT32)(tilec->x1 - tilec->x0); + + 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* restrict band = &res->bands[bandno]; + + for (precno = 0; precno < res->pw * res->ph; ++precno) { + opj_tcd_precinct_t* precinct = &band->precincts[precno]; + + for (cblkno = 0; cblkno < precinct->cw * precinct->ch; ++cblkno) { + opj_tcd_cblk_dec_t* cblk = &precinct->cblks.dec[cblkno]; + OPJ_INT32* restrict datap; + /*void* restrict tiledp;*/ + OPJ_UINT32 cblk_w, cblk_h; + OPJ_INT32 x, y; + OPJ_UINT32 i, j; + + if (OPJ_FALSE == opj_t1_decode_cblk( + t1, + cblk, + band->bandno, + (OPJ_UINT32)tccp->roishift, + tccp->cblksty)) { + return OPJ_FALSE; + } + + x = cblk->x0 - band->x0; + y = cblk->y0 - band->y0; + if (band->bandno & 1) { + opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1]; + x += pres->x1 - pres->x0; + } + if (band->bandno & 2) { + opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1]; + y += pres->y1 - pres->y0; + } + + datap=t1->data; + cblk_w = t1->w; + cblk_h = t1->h; + + if (tccp->roishift) { + OPJ_INT32 thresh = 1 << tccp->roishift; + for (j = 0; j < cblk_h; ++j) { + for (i = 0; i < cblk_w; ++i) { + OPJ_INT32 val = datap[(j * cblk_w) + i]; + OPJ_INT32 mag = abs(val); + if (mag >= thresh) { + mag >>= tccp->roishift; + datap[(j * cblk_w) + i] = val < 0 ? -mag : mag; + } + } + } + } + + /*tiledp=(void*)&tilec->data[(y * tile_w) + x];*/ + if (tccp->qmfbid == 1) { + OPJ_INT32* restrict tiledp = &tilec->data[(OPJ_UINT32)y * tile_w + (OPJ_UINT32)x]; + for (j = 0; j < cblk_h; ++j) { + for (i = 0; i < cblk_w; ++i) { + OPJ_INT32 tmp = datap[(j * cblk_w) + i]; + ((OPJ_INT32*)tiledp)[(j * tile_w) + i] = tmp / 2; + } + } + } else { /* if (tccp->qmfbid == 0) */ + OPJ_FLOAT32* restrict tiledp = (OPJ_FLOAT32*) &tilec->data[(OPJ_UINT32)y * tile_w + (OPJ_UINT32)x]; + for (j = 0; j < cblk_h; ++j) { + OPJ_FLOAT32* restrict tiledp2 = tiledp; + for (i = 0; i < cblk_w; ++i) { + OPJ_FLOAT32 tmp = (OPJ_FLOAT32)*datap * band->stepsize; + *tiledp2 = tmp; + datap++; + tiledp2++; + /*float tmp = datap[(j * cblk_w) + i] * band->stepsize; + ((float*)tiledp)[(j * tile_w) + i] = tmp;*/ + + } + tiledp += tile_w; + } + } + /*opj_free(cblk->data); + opj_free(cblk->segs);*/ + /*cblk->segs = 00;*/ + } /* cblkno */ + /*opj_free(precinct->cblks.dec);*/ + } /* precno */ + } /* bandno */ + } /* resno */ + return OPJ_TRUE; +} + + +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; + OPJ_UINT32 passtype; + OPJ_UINT32 segno, passno; + OPJ_BYTE type = T1_TYPE_MQ; /* BYPASS mode */ + + if(!opj_t1_allocate_buffers( + t1, + (OPJ_UINT32)(cblk->x1 - cblk->x0), + (OPJ_UINT32)(cblk->y1 - cblk->y0))) + { + return OPJ_FALSE; + } + + bpno = (OPJ_INT32)(roishift + 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); + + for (segno = 0; segno < cblk->real_num_segs; ++segno) { + opj_tcd_seg_t *seg = &cblk->segs[segno]; + + /* BYPASS mode */ + type = ((bpno <= ((OPJ_INT32) (cblk->numbps) - 1) - 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; + } + } + + for (passno = 0; passno < seg->real_num_passes; ++passno) { + switch (passtype) { + case 0: + if (type == T1_TYPE_RAW) { + opj_t1_dec_sigpass_raw(t1, bpno+1, (OPJ_INT32)orient, (OPJ_INT32)cblksty); + } else { + if (cblksty & J2K_CCP_CBLKSTY_VSC) { + opj_t1_dec_sigpass_mqc_vsc(t1, bpno+1, (OPJ_INT32)orient); + } else { + opj_t1_dec_sigpass_mqc(t1, bpno+1, (OPJ_INT32)orient); + } + } + break; + case 1: + if (type == T1_TYPE_RAW) { + opj_t1_dec_refpass_raw(t1, bpno+1, (OPJ_INT32)cblksty); + } else { + if (cblksty & J2K_CCP_CBLKSTY_VSC) { + opj_t1_dec_refpass_mqc_vsc(t1, bpno+1); + } else { + opj_t1_dec_refpass_mqc(t1, bpno+1); + } + } + break; + case 2: + opj_t1_dec_clnpass(t1, bpno+1, (OPJ_INT32)orient, (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--; + } + } + } + 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* 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* 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] <<= 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 */ +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; + + 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, orient, &nmsedec, type, cblksty); + break; + case 1: + opj_t1_enc_refpass(t1, bpno, &nmsedec, type, cblksty); + break; + case 2: + opj_t1_enc_clnpass(t1, bpno, orient, &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); + } +} + +#if 0 +void opj_t1_dec_refpass_step( opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_INT32 poshalf, + OPJ_INT32 neghalf, + OPJ_BYTE type, + OPJ_UINT32 vsc) +{ + OPJ_INT32 t; + OPJ_UINT32 v,flag; + + opj_mqc_t *mqc = t1->mqc; /* MQC component */ + opj_raw_t *raw = t1->raw; /* RAW component */ + + flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp); + if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { + opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag(flag)); /* ESSAI */ + if (type == T1_TYPE_RAW) { + v = opj_raw_decode(raw); + } else { + v = opj_mqc_decode(mqc); + } + t = v ? poshalf : neghalf; + *datap += *datap < 0 ? -t : t; + *flagsp |= T1_REFINE; + } +} /* VSC and BYPASS by Antonin */ +#endif + + + +#if 0 +void opj_t1_dec_sigpass_step( opj_t1_t *t1, + opj_flag_t *flagsp, + OPJ_INT32 *datap, + OPJ_UINT32 orient, + OPJ_INT32 oneplushalf, + OPJ_BYTE type, + OPJ_UINT32 vsc) +{ + OPJ_UINT32 v, flag; + + opj_raw_t *raw = t1->raw; /* RAW component */ + opj_mqc_t *mqc = t1->mqc; /* MQC component */ + + flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp); + if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { + if (type == T1_TYPE_RAW) { + if (opj_raw_decode(raw)) { + v = opj_raw_decode(raw); /* ESSAI */ + *datap = v ? -oneplushalf : oneplushalf; + opj_t1_updateflags(flagsp, v, t1->flags_stride); + } + } else { + opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(flag, orient)); + if (opj_mqc_decode(mqc)) { + opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(flag)); + v = opj_mqc_decode(mqc) ^ opj_t1_getspb(flag); + *datap = v ? -oneplushalf : oneplushalf; + opj_t1_updateflags(flagsp, v, t1->flags_stride); + } + } + *flagsp |= T1_VISIT; + } +} /* VSC and BYPASS by Antonin */ +#endif |