diff options
Diffstat (limited to 'extern/libopenjpeg/t1.c')
| -rw-r--r-- | extern/libopenjpeg/t1.c | 1585 |
1 files changed, 0 insertions, 1585 deletions
diff --git a/extern/libopenjpeg/t1.c b/extern/libopenjpeg/t1.c deleted file mode 100644 index ed9cdc3fea6..00000000000 --- a/extern/libopenjpeg/t1.c +++ /dev/null @@ -1,1585 +0,0 @@ -/* - * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium - * Copyright (c) 2002-2007, Professor Benoit Macq - * Copyright (c) 2001-2003, David Janssens - * Copyright (c) 2002-2003, Yannick Verschueren - * Copyright (c) 2003-2007, Francois-Olivier Devaux and 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 char t1_getctxno_zc(int f, int orient); -static char t1_getctxno_sc(int f); -static INLINE int t1_getctxno_mag(int f); -static char t1_getspb(int f); -static short t1_getnmsedec_sig(int x, int bitpos); -static short t1_getnmsedec_ref(int x, int bitpos); -static void t1_updateflags(flag_t *flagsp, int s, int stride); -/** -Encode significant pass -*/ -static void t1_enc_sigpass_step( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int orient, - int bpno, - int one, - int *nmsedec, - char type, - int vsc); -/** -Decode significant pass -*/ -static INLINE void t1_dec_sigpass_step_raw( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int orient, - int oneplushalf, - int vsc); -static INLINE void t1_dec_sigpass_step_mqc( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int orient, - int oneplushalf); -static INLINE void t1_dec_sigpass_step_mqc_vsc( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int orient, - int oneplushalf, - int vsc); -/** -Encode significant pass -*/ -static void t1_enc_sigpass( - opj_t1_t *t1, - int bpno, - int orient, - int *nmsedec, - char type, - int cblksty); -/** -Decode significant pass -*/ -static void t1_dec_sigpass_raw( - opj_t1_t *t1, - int bpno, - int orient, - int cblksty); -static void t1_dec_sigpass_mqc( - opj_t1_t *t1, - int bpno, - int orient); -static void t1_dec_sigpass_mqc_vsc( - opj_t1_t *t1, - int bpno, - int orient); -/** -Encode refinement pass -*/ -static void t1_enc_refpass_step( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int bpno, - int one, - int *nmsedec, - char type, - int vsc); -/** -Decode refinement pass -*/ -static INLINE void t1_dec_refpass_step_raw( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int poshalf, - int neghalf, - int vsc); -static INLINE void t1_dec_refpass_step_mqc( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int poshalf, - int neghalf); -static INLINE void t1_dec_refpass_step_mqc_vsc( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int poshalf, - int neghalf, - int vsc); - -/** -Encode refinement pass -*/ -static void t1_enc_refpass( - opj_t1_t *t1, - int bpno, - int *nmsedec, - char type, - int cblksty); -/** -Decode refinement pass -*/ -static void t1_dec_refpass_raw( - opj_t1_t *t1, - int bpno, - int cblksty); -static void t1_dec_refpass_mqc( - opj_t1_t *t1, - int bpno); -static void t1_dec_refpass_mqc_vsc( - opj_t1_t *t1, - int bpno); -/** -Encode clean-up pass -*/ -static void t1_enc_clnpass_step( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int orient, - int bpno, - int one, - int *nmsedec, - int partial, - int vsc); -/** -Decode clean-up pass -*/ -static void t1_dec_clnpass_step_partial( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int orient, - int oneplushalf); -static void t1_dec_clnpass_step( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int orient, - int oneplushalf); -static void t1_dec_clnpass_step_vsc( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int orient, - int oneplushalf, - int partial, - int vsc); -/** -Encode clean-up pass -*/ -static void t1_enc_clnpass( - opj_t1_t *t1, - int bpno, - int orient, - int *nmsedec, - int cblksty); -/** -Decode clean-up pass -*/ -static void t1_dec_clnpass( - opj_t1_t *t1, - int bpno, - int orient, - int cblksty); -static double t1_getwmsedec( - int nmsedec, - int compno, - int level, - int orient, - int bpno, - int qmfbid, - double stepsize, - int numcomps, - int mct); -/** -Encode 1 code-block -@param t1 T1 handle -@param cblk Code-block coding parameters -@param orient -@param compno Component number -@param level -@param qmfbid -@param stepsize -@param cblksty Code-block style -@param numcomps -@param mct -@param tile -*/ -static void t1_encode_cblk( - opj_t1_t *t1, - opj_tcd_cblk_enc_t* cblk, - int orient, - int compno, - int level, - int qmfbid, - double stepsize, - int cblksty, - int numcomps, - int mct, - opj_tcd_tile_t * tile); -/** -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 void t1_decode_cblk( - opj_t1_t *t1, - opj_tcd_cblk_dec_t* cblk, - int orient, - int roishift, - int cblksty); - -/*@}*/ - -/*@}*/ - -/* ----------------------------------------------------------------------- */ - -static char t1_getctxno_zc(int f, int orient) { - return lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)]; -} - -static char t1_getctxno_sc(int f) { - return lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4]; -} - -static int t1_getctxno_mag(int f) { - int tmp1 = (f & T1_SIG_OTH) ? T1_CTXNO_MAG + 1 : T1_CTXNO_MAG; - int tmp2 = (f & T1_REFINE) ? T1_CTXNO_MAG + 2 : tmp1; - return (tmp2); -} - -static char t1_getspb(int f) { - return lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4]; -} - -static short t1_getnmsedec_sig(int x, int 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)]; -} - -static short t1_getnmsedec_ref(int x, int 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)]; -} - -static void t1_updateflags(flag_t *flagsp, int s, int stride) { - flag_t *np = flagsp - stride; - flag_t *sp = flagsp + stride; - - static const 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; -} - -static void t1_enc_sigpass_step( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int orient, - int bpno, - int one, - int *nmsedec, - char type, - int vsc) -{ - int 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))) { - v = int_abs(*datap) & one ? 1 : 0; - mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient)); /* ESSAI */ - if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ - mqc_bypass_enc(mqc, v); - } else { - mqc_encode(mqc, v); - } - if (v) { - v = *datap < 0 ? 1 : 0; - *nmsedec += t1_getnmsedec_sig(int_abs(*datap), bpno + T1_NMSEDEC_FRACBITS); - mqc_setcurctx(mqc, t1_getctxno_sc(flag)); /* ESSAI */ - if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ - mqc_bypass_enc(mqc, v); - } else { - mqc_encode(mqc, v ^ t1_getspb(flag)); - } - t1_updateflags(flagsp, v, t1->flags_stride); - } - *flagsp |= T1_VISIT; - } -} - -static INLINE void t1_dec_sigpass_step_raw( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int orient, - int oneplushalf, - int vsc) -{ - int 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 (raw_decode(raw)) { - v = raw_decode(raw); /* ESSAI */ - *datap = v ? -oneplushalf : oneplushalf; - t1_updateflags(flagsp, v, t1->flags_stride); - } - *flagsp |= T1_VISIT; - } -} /* VSC and BYPASS by Antonin */ - -static INLINE void t1_dec_sigpass_step_mqc( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int orient, - int oneplushalf) -{ - int v, flag; - - opj_mqc_t *mqc = t1->mqc; /* MQC component */ - - flag = *flagsp; - if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { - mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient)); - if (mqc_decode(mqc)) { - mqc_setcurctx(mqc, t1_getctxno_sc(flag)); - v = mqc_decode(mqc) ^ t1_getspb(flag); - *datap = v ? -oneplushalf : oneplushalf; - t1_updateflags(flagsp, v, t1->flags_stride); - } - *flagsp |= T1_VISIT; - } -} /* VSC and BYPASS by Antonin */ - -static INLINE void t1_dec_sigpass_step_mqc_vsc( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int orient, - int oneplushalf, - int vsc) -{ - int 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))) { - mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient)); - if (mqc_decode(mqc)) { - mqc_setcurctx(mqc, t1_getctxno_sc(flag)); - v = mqc_decode(mqc) ^ t1_getspb(flag); - *datap = v ? -oneplushalf : oneplushalf; - t1_updateflags(flagsp, v, t1->flags_stride); - } - *flagsp |= T1_VISIT; - } -} /* VSC and BYPASS by Antonin */ - -static void t1_enc_sigpass( - opj_t1_t *t1, - int bpno, - int orient, - int *nmsedec, - char type, - int cblksty) -{ - int i, j, k, one, vsc; - *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; - t1_enc_sigpass_step( - t1, - &t1->flags[((j+1) * t1->flags_stride) + i + 1], - &t1->data[(j * t1->w) + i], - orient, - bpno, - one, - nmsedec, - type, - vsc); - } - } - } -} - -static void t1_dec_sigpass_raw( - opj_t1_t *t1, - int bpno, - int orient, - int cblksty) -{ - int i, j, k, one, half, oneplushalf, vsc; - 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; - 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 */ - -static void t1_dec_sigpass_mqc( - opj_t1_t *t1, - int bpno, - int orient) -{ - int i, j, k, one, half, oneplushalf; - int *data1 = t1->data; - flag_t *flags1 = &t1->flags[1]; - one = 1 << bpno; - half = one >> 1; - oneplushalf = one | half; - for (k = 0; k < (t1->h & ~3); k += 4) { - for (i = 0; i < t1->w; ++i) { - int *data2 = data1 + i; - flag_t *flags2 = flags1 + i; - flags2 += t1->flags_stride; - t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf); - data2 += t1->w; - flags2 += t1->flags_stride; - t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf); - data2 += t1->w; - flags2 += t1->flags_stride; - t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf); - data2 += t1->w; - flags2 += t1->flags_stride; - 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) { - int *data2 = data1 + i; - flag_t *flags2 = flags1 + i; - for (j = k; j < t1->h; ++j) { - flags2 += t1->flags_stride; - t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf); - data2 += t1->w; - } - } -} /* VSC and BYPASS by Antonin */ - -static void t1_dec_sigpass_mqc_vsc( - opj_t1_t *t1, - int bpno, - int orient) -{ - int i, j, k, one, half, oneplushalf, vsc; - 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; - 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 */ - -static void t1_enc_refpass_step( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int bpno, - int one, - int *nmsedec, - char type, - int vsc) -{ - int 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 | T1_VISIT)) == T1_SIG) { - *nmsedec += t1_getnmsedec_ref(int_abs(*datap), bpno + T1_NMSEDEC_FRACBITS); - v = int_abs(*datap) & one ? 1 : 0; - mqc_setcurctx(mqc, t1_getctxno_mag(flag)); /* ESSAI */ - if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ - mqc_bypass_enc(mqc, v); - } else { - mqc_encode(mqc, v); - } - *flagsp |= T1_REFINE; - } -} - -static INLINE void t1_dec_refpass_step_raw( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int poshalf, - int neghalf, - int vsc) -{ - int 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 = raw_decode(raw); - t = v ? poshalf : neghalf; - *datap += *datap < 0 ? -t : t; - *flagsp |= T1_REFINE; - } -} /* VSC and BYPASS by Antonin */ - -static INLINE void t1_dec_refpass_step_mqc( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int poshalf, - int neghalf) -{ - int v, t, flag; - - opj_mqc_t *mqc = t1->mqc; /* MQC component */ - - flag = *flagsp; - if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { - mqc_setcurctx(mqc, t1_getctxno_mag(flag)); /* ESSAI */ - v = mqc_decode(mqc); - t = v ? poshalf : neghalf; - *datap += *datap < 0 ? -t : t; - *flagsp |= T1_REFINE; - } -} /* VSC and BYPASS by Antonin */ - -static INLINE void t1_dec_refpass_step_mqc_vsc( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int poshalf, - int neghalf, - int vsc) -{ - int 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) { - mqc_setcurctx(mqc, t1_getctxno_mag(flag)); /* ESSAI */ - v = mqc_decode(mqc); - t = v ? poshalf : neghalf; - *datap += *datap < 0 ? -t : t; - *flagsp |= T1_REFINE; - } -} /* VSC and BYPASS by Antonin */ - -static void t1_enc_refpass( - opj_t1_t *t1, - int bpno, - int *nmsedec, - char type, - int cblksty) -{ - int i, j, k, one, vsc; - *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; - t1_enc_refpass_step( - t1, - &t1->flags[((j+1) * t1->flags_stride) + i + 1], - &t1->data[(j * t1->w) + i], - bpno, - one, - nmsedec, - type, - vsc); - } - } - } -} - -static void t1_dec_refpass_raw( - opj_t1_t *t1, - int bpno, - int cblksty) -{ - int i, j, k, one, poshalf, neghalf; - int 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; - 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 */ - -static void t1_dec_refpass_mqc( - opj_t1_t *t1, - int bpno) -{ - int i, j, k, one, poshalf, neghalf; - int *data1 = t1->data; - flag_t *flags1 = &t1->flags[1]; - one = 1 << bpno; - poshalf = one >> 1; - neghalf = bpno > 0 ? -poshalf : -1; - for (k = 0; k < (t1->h & ~3); k += 4) { - for (i = 0; i < t1->w; ++i) { - int *data2 = data1 + i; - flag_t *flags2 = flags1 + i; - flags2 += t1->flags_stride; - t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf); - data2 += t1->w; - flags2 += t1->flags_stride; - t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf); - data2 += t1->w; - flags2 += t1->flags_stride; - t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf); - data2 += t1->w; - flags2 += t1->flags_stride; - 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) { - int *data2 = data1 + i; - flag_t *flags2 = flags1 + i; - for (j = k; j < t1->h; ++j) { - flags2 += t1->flags_stride; - t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf); - data2 += t1->w; - } - } -} /* VSC and BYPASS by Antonin */ - -static void t1_dec_refpass_mqc_vsc( - opj_t1_t *t1, - int bpno) -{ - int i, j, k, one, poshalf, neghalf; - int 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; - 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 */ - -static void t1_enc_clnpass_step( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int orient, - int bpno, - int one, - int *nmsedec, - int partial, - int vsc) -{ - int 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 (!(*flagsp & (T1_SIG | T1_VISIT))) { - mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient)); - v = int_abs(*datap) & one ? 1 : 0; - mqc_encode(mqc, v); - if (v) { -LABEL_PARTIAL: - *nmsedec += t1_getnmsedec_sig(int_abs(*datap), bpno + T1_NMSEDEC_FRACBITS); - mqc_setcurctx(mqc, t1_getctxno_sc(flag)); - v = *datap < 0 ? 1 : 0; - mqc_encode(mqc, v ^ t1_getspb(flag)); - t1_updateflags(flagsp, v, t1->flags_stride); - } - } - *flagsp &= ~T1_VISIT; -} - -static void t1_dec_clnpass_step_partial( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int orient, - int oneplushalf) -{ - int v, flag; - opj_mqc_t *mqc = t1->mqc; /* MQC component */ - - OPJ_ARG_NOT_USED(orient); - - flag = *flagsp; - mqc_setcurctx(mqc, t1_getctxno_sc(flag)); - v = mqc_decode(mqc) ^ t1_getspb(flag); - *datap = v ? -oneplushalf : oneplushalf; - t1_updateflags(flagsp, v, t1->flags_stride); - *flagsp &= ~T1_VISIT; -} /* VSC and BYPASS by Antonin */ - -static void t1_dec_clnpass_step( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int orient, - int oneplushalf) -{ - int v, flag; - - opj_mqc_t *mqc = t1->mqc; /* MQC component */ - - flag = *flagsp; - if (!(flag & (T1_SIG | T1_VISIT))) { - mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient)); - if (mqc_decode(mqc)) { - mqc_setcurctx(mqc, t1_getctxno_sc(flag)); - v = mqc_decode(mqc) ^ t1_getspb(flag); - *datap = v ? -oneplushalf : oneplushalf; - t1_updateflags(flagsp, v, t1->flags_stride); - } - } - *flagsp &= ~T1_VISIT; -} /* VSC and BYPASS by Antonin */ - -static void t1_dec_clnpass_step_vsc( - opj_t1_t *t1, - flag_t *flagsp, - int *datap, - int orient, - int oneplushalf, - int partial, - int vsc) -{ - int 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))) { - mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient)); - if (mqc_decode(mqc)) { -LABEL_PARTIAL: - mqc_setcurctx(mqc, t1_getctxno_sc(flag)); - v = mqc_decode(mqc) ^ t1_getspb(flag); - *datap = v ? -oneplushalf : oneplushalf; - t1_updateflags(flagsp, v, t1->flags_stride); - } - } - *flagsp &= ~T1_VISIT; -} - -static void t1_enc_clnpass( - opj_t1_t *t1, - int bpno, - int orient, - int *nmsedec, - int cblksty) -{ - int i, j, k, one, 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 (int_abs(t1->data[((k + runlen)*t1->w) + i]) & one) - break; - } - mqc_setcurctx(mqc, T1_CTXNO_AGG); - mqc_encode(mqc, runlen != 4); - if (runlen == 4) { - continue; - } - mqc_setcurctx(mqc, T1_CTXNO_UNI); - mqc_encode(mqc, runlen >> 1); - 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; - t1_enc_clnpass_step( - t1, - &t1->flags[((j+1) * t1->flags_stride) + i + 1], - &t1->data[(j * t1->w) + i], - orient, - bpno, - one, - nmsedec, - agg && (j == k + runlen), - vsc); - } - } - } -} - -static void t1_dec_clnpass( - opj_t1_t *t1, - int bpno, - int orient, - int cblksty) -{ - int i, j, k, one, half, oneplushalf, agg, runlen, vsc; - int 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) { - mqc_setcurctx(mqc, T1_CTXNO_AGG); - if (!mqc_decode(mqc)) { - continue; - } - mqc_setcurctx(mqc, T1_CTXNO_UNI); - runlen = mqc_decode(mqc); - runlen = (runlen << 1) | mqc_decode(mqc); - } else { - runlen = 0; - } - for (j = k + runlen; j < k + 4 && j < t1->h; ++j) { - vsc = (j == k + 3 || j == t1->h - 1) ? 1 : 0; - 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 + runlen), - vsc); - } - } - } - } else { - int *data1 = t1->data; - flag_t *flags1 = &t1->flags[1]; - for (k = 0; k < (t1->h & ~3); k += 4) { - for (i = 0; i < t1->w; ++i) { - int *data2 = data1 + i; - 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) { - mqc_setcurctx(mqc, T1_CTXNO_AGG); - if (!mqc_decode(mqc)) { - continue; - } - mqc_setcurctx(mqc, T1_CTXNO_UNI); - runlen = mqc_decode(mqc); - runlen = (runlen << 1) | mqc_decode(mqc); - flags2 += runlen * t1->flags_stride; - data2 += runlen * t1->w; - for (j = k + runlen; j < k + 4 && j < t1->h; ++j) { - flags2 += t1->flags_stride; - if (agg && (j == k + runlen)) { - t1_dec_clnpass_step_partial(t1, flags2, data2, orient, oneplushalf); - } else { - t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf); - } - data2 += t1->w; - } - } else { - flags2 += t1->flags_stride; - t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf); - data2 += t1->w; - flags2 += t1->flags_stride; - t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf); - data2 += t1->w; - flags2 += t1->flags_stride; - t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf); - data2 += t1->w; - flags2 += t1->flags_stride; - 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) { - int *data2 = data1 + i; - flag_t *flags2 = flags1 + i; - for (j = k; j < t1->h; ++j) { - flags2 += t1->flags_stride; - t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf); - data2 += t1->w; - } - } - } - - if (segsym) { - int v = 0; - mqc_setcurctx(mqc, T1_CTXNO_UNI); - v = mqc_decode(mqc); - v = (v << 1) | mqc_decode(mqc); - v = (v << 1) | mqc_decode(mqc); - v = (v << 1) | 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 double t1_getwmsedec( - int nmsedec, - int compno, - int level, - int orient, - int bpno, - int qmfbid, - double stepsize, - int numcomps, - int mct) -{ - double w1, w2, wmsedec; - if (qmfbid == 1) { - w1 = (mct && numcomps==3) ? mct_getnorm(compno) : 1.0; - w2 = dwt_getnorm(level, orient); - } else { /* if (qmfbid == 0) */ - w1 = (mct && numcomps==3) ? mct_getnorm_real(compno) : 1.0; - w2 = dwt_getnorm_real(level, orient); - } - wmsedec = w1 * w2 * stepsize * (1 << bpno); - wmsedec *= wmsedec * nmsedec / 8192.0; - - return wmsedec; -} - -static opj_bool allocate_buffers( - opj_t1_t *t1, - int w, - int h) -{ - int datasize=w * h; - int flagssize; - - if(datasize > t1->datasize){ - opj_aligned_free(t1->data); - t1->data = (int*) opj_aligned_malloc(datasize * sizeof(int)); - if(!t1->data){ - return OPJ_FALSE; - } - t1->datasize=datasize; - } - memset(t1->data,0,datasize * sizeof(int)); - - t1->flags_stride=w+2; - flagssize=t1->flags_stride * (h+2); - - if(flagssize > t1->flagssize){ - opj_aligned_free(t1->flags); - t1->flags = (flag_t*) opj_aligned_malloc(flagssize * sizeof(flag_t)); - if(!t1->flags){ - return OPJ_FALSE; - } - t1->flagssize=flagssize; - } - memset(t1->flags,0,flagssize * sizeof(flag_t)); - - t1->w=w; - t1->h=h; - - return OPJ_TRUE; -} - -/** mod fixed_quality */ -static void t1_encode_cblk( - opj_t1_t *t1, - opj_tcd_cblk_enc_t* cblk, - int orient, - int compno, - int level, - int qmfbid, - double stepsize, - int cblksty, - int numcomps, - int mct, - opj_tcd_tile_t * tile) -{ - double cumwmsedec = 0.0; - - opj_mqc_t *mqc = t1->mqc; /* MQC component */ - - int passno, bpno, passtype; - int nmsedec = 0; - int i, max; - char type = T1_TYPE_MQ; - double tempwmsedec; - - max = 0; - for (i = 0; i < t1->w * t1->h; ++i) { - int tmp = abs(t1->data[i]); - max = int_max(max, tmp); - } - - cblk->numbps = max ? (int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS : 0; - - bpno = cblk->numbps - 1; - passtype = 2; - - mqc_resetstates(mqc); - mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46); - mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3); - mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4); - mqc_init_enc(mqc, cblk->data); - - for (passno = 0; bpno >= 0; ++passno) { - opj_tcd_pass_t *pass = &cblk->passes[passno]; - int correction = 3; - type = ((bpno < (cblk->numbps - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ; - - switch (passtype) { - case 0: - t1_enc_sigpass(t1, bpno, orient, &nmsedec, type, cblksty); - break; - case 1: - t1_enc_refpass(t1, bpno, &nmsedec, type, cblksty); - break; - case 2: - t1_enc_clnpass(t1, bpno, orient, &nmsedec, cblksty); - /* code switch SEGMARK (i.e. SEGSYM) */ - if (cblksty & J2K_CCP_CBLKSTY_SEGSYM) - mqc_segmark_enc(mqc); - break; - } - - /* fixed_quality */ - tempwmsedec = t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps, mct); - 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) { - mqc_flush(mqc); - correction = 1; - /* correction = mqc_bypass_flush_enc(); */ - } else { /* correction = mqc_restart_enc(); */ - mqc_flush(mqc); - correction = 1; - } - pass->term = 1; - } else { - if (((bpno < (cblk->numbps - 4) && (passtype > 0)) - || ((bpno == (cblk->numbps - 4)) && (passtype == 2))) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) { - if (type == T1_TYPE_RAW) { - mqc_flush(mqc); - correction = 1; - /* correction = mqc_bypass_flush_enc(); */ - } else { /* correction = mqc_restart_enc(); */ - 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 < (cblk->numbps - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ; - if (type == T1_TYPE_RAW) - mqc_bypass_init_enc(mqc); - else - mqc_restart_init_enc(mqc); - } - - pass->distortiondec = cumwmsedec; - pass->rate = mqc_numbytes(mqc) + correction; /* FIXME */ - - /* Code-switch "RESET" */ - if (cblksty & J2K_CCP_CBLKSTY_RESET) - mqc_reset_enc(mqc); - } - - /* Code switch "ERTERM" (i.e. PTERM) */ - if (cblksty & J2K_CCP_CBLKSTY_PTERM) - mqc_erterm_enc(mqc); - else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY)) - mqc_flush(mqc); - - cblk->totalpasses = passno; - - for (passno = 0; passno<cblk->totalpasses; passno++) { - opj_tcd_pass_t *pass = &cblk->passes[passno]; - if (pass->rate > mqc_numbytes(mqc)) - pass->rate = 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); - } -} - -static void t1_decode_cblk( - opj_t1_t *t1, - opj_tcd_cblk_dec_t* cblk, - int orient, - int roishift, - int cblksty) -{ - opj_raw_t *raw = t1->raw; /* RAW component */ - opj_mqc_t *mqc = t1->mqc; /* MQC component */ - - int bpno, passtype; - int segno, passno; - char type = T1_TYPE_MQ; /* BYPASS mode */ - - if(!allocate_buffers( - t1, - cblk->x1 - cblk->x0, - cblk->y1 - cblk->y0)) - { - return; - } - - bpno = roishift + cblk->numbps - 1; - passtype = 2; - - mqc_resetstates(mqc); - mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46); - mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3); - mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4); - - for (segno = 0; segno < cblk->numsegs; ++segno) { - opj_tcd_seg_t *seg = &cblk->segs[segno]; - - /* BYPASS mode */ - type = ((bpno <= (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 == NULL){ - continue; - } - if (type == T1_TYPE_RAW) { - raw_init_dec(raw, (*seg->data) + seg->dataindex, seg->len); - } else { - mqc_init_dec(mqc, (*seg->data) + seg->dataindex, seg->len); - } - - for (passno = 0; passno < seg->numpasses; ++passno) { - switch (passtype) { - case 0: - if (type == T1_TYPE_RAW) { - t1_dec_sigpass_raw(t1, bpno+1, orient, cblksty); - } else { - if (cblksty & J2K_CCP_CBLKSTY_VSC) { - t1_dec_sigpass_mqc_vsc(t1, bpno+1, orient); - } else { - t1_dec_sigpass_mqc(t1, bpno+1, orient); - } - } - break; - case 1: - if (type == T1_TYPE_RAW) { - t1_dec_refpass_raw(t1, bpno+1, cblksty); - } else { - if (cblksty & J2K_CCP_CBLKSTY_VSC) { - t1_dec_refpass_mqc_vsc(t1, bpno+1); - } else { - t1_dec_refpass_mqc(t1, bpno+1); - } - } - break; - case 2: - t1_dec_clnpass(t1, bpno+1, orient, cblksty); - break; - } - - if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) { - mqc_resetstates(mqc); - mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46); - mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3); - mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4); - } - if (++passtype == 3) { - passtype = 0; - bpno--; - } - } - } -} - -/* ----------------------------------------------------------------------- */ - -opj_t1_t* t1_create(opj_common_ptr cinfo) { - opj_t1_t *t1 = (opj_t1_t*) opj_malloc(sizeof(opj_t1_t)); - if(!t1) - return NULL; - - t1->cinfo = cinfo; - /* create MQC and RAW handles */ - t1->mqc = mqc_create(); - t1->raw = raw_create(); - - t1->data=NULL; - t1->flags=NULL; - t1->datasize=0; - t1->flagssize=0; - - return t1; -} - -void t1_destroy(opj_t1_t *t1) { - if(t1) { - /* destroy MQC and RAW handles */ - mqc_destroy(t1->mqc); - raw_destroy(t1->raw); - opj_aligned_free(t1->data); - opj_aligned_free(t1->flags); - opj_free(t1); - } -} - -void t1_encode_cblks( - opj_t1_t *t1, - opj_tcd_tile_t *tile, - opj_tcp_t *tcp) -{ - int 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]; - int tile_w = 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]; - int bandconst = 8192 * 8192 / ((int) 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]; - int* restrict datap; - int* restrict tiledp; - int cblk_w; - int cblk_h; - int i, j; - - int x = cblk->x0 - band->x0; - int 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(!allocate_buffers( - t1, - cblk->x1 - cblk->x0, - cblk->y1 - cblk->y0)) - { - return; - } - - datap=t1->data; - cblk_w = t1->w; - cblk_h = t1->h; - - tiledp=&tilec->data[(y * tile_w) + x]; - if (tccp->qmfbid == 1) { - for (j = 0; j < cblk_h; ++j) { - for (i = 0; i < cblk_w; ++i) { - int tmp = tiledp[(j * tile_w) + i]; - datap[(j * cblk_w) + i] = tmp << T1_NMSEDEC_FRACBITS; - } - } - } else { /* if (tccp->qmfbid == 0) */ - for (j = 0; j < cblk_h; ++j) { - for (i = 0; i < cblk_w; ++i) { - int tmp = tiledp[(j * tile_w) + i]; - datap[(j * cblk_w) + i] = - fix_mul( - tmp, - bandconst) >> (11 - T1_NMSEDEC_FRACBITS); - } - } - } - - t1_encode_cblk( - t1, - cblk, - band->bandno, - compno, - tilec->numresolutions - 1 - resno, - tccp->qmfbid, - band->stepsize, - tccp->cblksty, - tile->numcomps, - tcp->mct, - tile); - - } /* cblkno */ - } /* precno */ - } /* bandno */ - } /* resno */ - } /* compno */ -} - -void t1_decode_cblks( - opj_t1_t* t1, - opj_tcd_tilecomp_t* tilec, - opj_tccp_t* tccp) -{ - int resno, bandno, precno, cblkno; - - int tile_w = 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]; - - 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]; - int* restrict datap; - int cblk_w, cblk_h; - int x, y; - int i, j; - - t1_decode_cblk( - t1, - cblk, - band->bandno, - tccp->roishift, - tccp->cblksty); - - 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) { - int thresh = 1 << tccp->roishift; - for (j = 0; j < cblk_h; ++j) { - for (i = 0; i < cblk_w; ++i) { - int val = datap[(j * cblk_w) + i]; - int mag = abs(val); - if (mag >= thresh) { - mag >>= tccp->roishift; - datap[(j * cblk_w) + i] = val < 0 ? -mag : mag; - } - } - } - } - - if (tccp->qmfbid == 1) { - int* restrict tiledp = &tilec->data[(y * tile_w) + x]; - for (j = 0; j < cblk_h; ++j) { - for (i = 0; i < cblk_w; ++i) { - int tmp = datap[(j * cblk_w) + i]; - ((int*)tiledp)[(j * tile_w) + i] = tmp / 2; - } - } - } else { /* if (tccp->qmfbid == 0) */ - float* restrict tiledp = (float*) &tilec->data[(y * tile_w) + x]; - for (j = 0; j < cblk_h; ++j) { - float* restrict tiledp2 = tiledp; - for (i = 0; i < cblk_w; ++i) { - float tmp = *datap * band->stepsize; - *tiledp2 = tmp; - datap++; - tiledp2++; - } - tiledp += tile_w; - } - } - opj_free(cblk->data); - opj_free(cblk->segs); - } /* cblkno */ - opj_free(precinct->cblks.dec); - precinct->cblks.dec = NULL; - } /* precno */ - } /* bandno */ - } /* resno */ -} - |