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Open Source Computer Vision Library
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323 lines
10 KiB
323 lines
10 KiB
/* |
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* The copyright in this software is being made available under the 2-clauses |
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* BSD License, included below. This software may be subject to other third |
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* party and contributor rights, including patent rights, and no such rights |
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* are granted under this license. |
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* |
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* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium |
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* Copyright (c) 2002-2014, Professor Benoit Macq |
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* Copyright (c) 2001-2003, David Janssens |
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* Copyright (c) 2002-2003, Yannick Verschueren |
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* Copyright (c) 2003-2007, Francois-Olivier Devaux |
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* Copyright (c) 2003-2014, Antonin Descampe |
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* Copyright (c) 2005, Herve Drolon, FreeImage Team |
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* Copyright (c) 2007, Callum Lerwick <seg@haxxed.com> |
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* Copyright (c) 2012, Carl Hetherington |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "opj_includes.h" |
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// defined elsewhere |
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extern OPJ_BOOL vlc_init_tables(); |
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extern OPJ_BOOL vlc_tables_initialized; |
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extern int vlc_tbl0[1024]; |
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extern int vlc_tbl1[1024]; |
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static int t1_init_ctxno_zc(OPJ_UINT32 f, OPJ_UINT32 orient) |
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{ |
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int h, v, d, n, t, hv; |
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n = 0; |
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h = ((f & T1_SIGMA_3) != 0) + ((f & T1_SIGMA_5) != 0); |
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v = ((f & T1_SIGMA_1) != 0) + ((f & T1_SIGMA_7) != 0); |
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d = ((f & T1_SIGMA_0) != 0) + ((f & T1_SIGMA_2) != 0) + (( |
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f & T1_SIGMA_8) != 0) + ((f & T1_SIGMA_6) != 0); |
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switch (orient) { |
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case 2: |
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t = h; |
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h = v; |
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v = t; |
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case 0: |
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case 1: |
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if (!h) { |
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if (!v) { |
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if (!d) { |
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n = 0; |
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} else if (d == 1) { |
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n = 1; |
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} else { |
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n = 2; |
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} |
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} else if (v == 1) { |
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n = 3; |
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} else { |
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n = 4; |
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} |
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} else if (h == 1) { |
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if (!v) { |
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if (!d) { |
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n = 5; |
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} else { |
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n = 6; |
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} |
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} else { |
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n = 7; |
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} |
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} else { |
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n = 8; |
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} |
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break; |
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case 3: |
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hv = h + v; |
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if (!d) { |
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if (!hv) { |
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n = 0; |
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} else if (hv == 1) { |
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n = 1; |
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} else { |
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n = 2; |
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} |
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} else if (d == 1) { |
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if (!hv) { |
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n = 3; |
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} else if (hv == 1) { |
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n = 4; |
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} else { |
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n = 5; |
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} |
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} else if (d == 2) { |
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if (!hv) { |
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n = 6; |
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} else { |
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n = 7; |
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} |
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} else { |
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n = 8; |
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} |
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break; |
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} |
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return (T1_CTXNO_ZC + n); |
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} |
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static int t1_init_ctxno_sc(OPJ_UINT32 f) |
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{ |
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int hc, vc, n; |
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n = 0; |
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hc = opj_int_min(((f & (T1_LUT_SIG_E | T1_LUT_SGN_E)) == |
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T1_LUT_SIG_E) + ((f & (T1_LUT_SIG_W | T1_LUT_SGN_W)) == T1_LUT_SIG_W), |
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1) - opj_int_min(((f & (T1_LUT_SIG_E | T1_LUT_SGN_E)) == |
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(T1_LUT_SIG_E | T1_LUT_SGN_E)) + |
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((f & (T1_LUT_SIG_W | T1_LUT_SGN_W)) == |
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(T1_LUT_SIG_W | T1_LUT_SGN_W)), 1); |
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vc = opj_int_min(((f & (T1_LUT_SIG_N | T1_LUT_SGN_N)) == |
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T1_LUT_SIG_N) + ((f & (T1_LUT_SIG_S | T1_LUT_SGN_S)) == T1_LUT_SIG_S), |
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1) - opj_int_min(((f & (T1_LUT_SIG_N | T1_LUT_SGN_N)) == |
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(T1_LUT_SIG_N | T1_LUT_SGN_N)) + |
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((f & (T1_LUT_SIG_S | T1_LUT_SGN_S)) == |
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(T1_LUT_SIG_S | T1_LUT_SGN_S)), 1); |
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if (hc < 0) { |
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hc = -hc; |
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vc = -vc; |
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} |
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if (!hc) { |
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if (vc == -1) { |
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n = 1; |
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} else if (!vc) { |
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n = 0; |
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} else { |
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n = 1; |
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} |
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} else if (hc == 1) { |
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if (vc == -1) { |
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n = 2; |
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} else if (!vc) { |
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n = 3; |
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} else { |
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n = 4; |
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} |
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} |
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return (T1_CTXNO_SC + n); |
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} |
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static int t1_init_spb(OPJ_UINT32 f) |
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{ |
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int hc, vc, n; |
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hc = opj_int_min(((f & (T1_LUT_SIG_E | T1_LUT_SGN_E)) == |
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T1_LUT_SIG_E) + ((f & (T1_LUT_SIG_W | T1_LUT_SGN_W)) == T1_LUT_SIG_W), |
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1) - opj_int_min(((f & (T1_LUT_SIG_E | T1_LUT_SGN_E)) == |
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(T1_LUT_SIG_E | T1_LUT_SGN_E)) + |
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((f & (T1_LUT_SIG_W | T1_LUT_SGN_W)) == |
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(T1_LUT_SIG_W | T1_LUT_SGN_W)), 1); |
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vc = opj_int_min(((f & (T1_LUT_SIG_N | T1_LUT_SGN_N)) == |
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T1_LUT_SIG_N) + ((f & (T1_LUT_SIG_S | T1_LUT_SGN_S)) == T1_LUT_SIG_S), |
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1) - opj_int_min(((f & (T1_LUT_SIG_N | T1_LUT_SGN_N)) == |
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(T1_LUT_SIG_N | T1_LUT_SGN_N)) + |
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((f & (T1_LUT_SIG_S | T1_LUT_SGN_S)) == |
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(T1_LUT_SIG_S | T1_LUT_SGN_S)), 1); |
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if (!hc && !vc) { |
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n = 0; |
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} else { |
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n = (!(hc > 0 || (!hc && vc > 0))); |
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} |
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return n; |
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} |
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static void dump_array16(int array[], int size) |
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{ |
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int i; |
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--size; |
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for (i = 0; i < size; ++i) { |
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printf("0x%04x,", array[i]); |
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if (!((i + 1) & 0x7)) { |
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printf("\n "); |
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} else { |
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printf(" "); |
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} |
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} |
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printf("0x%04x\n};\n\n", array[size]); |
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} |
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int main(int argc, char **argv) |
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{ |
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unsigned int i, j; |
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double u, v, t; |
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int lut_ctxno_zc[2048]; |
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int lut_nmsedec_sig[1 << T1_NMSEDEC_BITS]; |
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int lut_nmsedec_sig0[1 << T1_NMSEDEC_BITS]; |
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int lut_nmsedec_ref[1 << T1_NMSEDEC_BITS]; |
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int lut_nmsedec_ref0[1 << T1_NMSEDEC_BITS]; |
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(void)argc; |
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(void)argv; |
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printf("/* This file was automatically generated by t1_generate_luts.c */\n\n"); |
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/* lut_ctxno_zc */ |
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for (j = 0; j < 4; ++j) { |
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for (i = 0; i < 512; ++i) { |
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OPJ_UINT32 orient = j; |
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if (orient == 2) { |
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orient = 1; |
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} else if (orient == 1) { |
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orient = 2; |
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} |
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lut_ctxno_zc[(orient << 9) | i] = t1_init_ctxno_zc(i, j); |
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} |
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} |
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printf("static const OPJ_BYTE lut_ctxno_zc[2048] = {\n "); |
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for (i = 0; i < 2047; ++i) { |
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printf("%i,", lut_ctxno_zc[i]); |
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if (!((i + 1) & 0x1f)) { |
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printf("\n "); |
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} else { |
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printf(" "); |
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} |
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} |
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printf("%i\n};\n\n", lut_ctxno_zc[2047]); |
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/* lut_ctxno_sc */ |
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printf("static const OPJ_BYTE lut_ctxno_sc[256] = {\n "); |
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for (i = 0; i < 255; ++i) { |
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printf("0x%x,", t1_init_ctxno_sc(i)); |
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if (!((i + 1) & 0xf)) { |
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printf("\n "); |
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} else { |
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printf(" "); |
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} |
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} |
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printf("0x%x\n};\n\n", t1_init_ctxno_sc(255)); |
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/* lut_spb */ |
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printf("static const OPJ_BYTE lut_spb[256] = {\n "); |
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for (i = 0; i < 255; ++i) { |
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printf("%i,", t1_init_spb(i)); |
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if (!((i + 1) & 0x1f)) { |
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printf("\n "); |
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} else { |
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printf(" "); |
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} |
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} |
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printf("%i\n};\n\n", t1_init_spb(255)); |
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/* FIXME FIXME FIXME */ |
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/* fprintf(stdout,"nmsedec luts:\n"); */ |
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for (i = 0U; i < (1U << T1_NMSEDEC_BITS); ++i) { |
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t = i / pow(2, T1_NMSEDEC_FRACBITS); |
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u = t; |
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v = t - 1.5; |
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lut_nmsedec_sig[i] = |
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opj_int_max(0, |
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(int)(floor((u * u - v * v) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, |
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T1_NMSEDEC_FRACBITS) * 8192.0)); |
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lut_nmsedec_sig0[i] = |
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opj_int_max(0, |
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(int)(floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, |
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T1_NMSEDEC_FRACBITS) * 8192.0)); |
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u = t - 1.0; |
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if (i & (1 << (T1_NMSEDEC_BITS - 1))) { |
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v = t - 1.5; |
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} else { |
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v = t - 0.5; |
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} |
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lut_nmsedec_ref[i] = |
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opj_int_max(0, |
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(int)(floor((u * u - v * v) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, |
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T1_NMSEDEC_FRACBITS) * 8192.0)); |
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lut_nmsedec_ref0[i] = |
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opj_int_max(0, |
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(int)(floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, |
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T1_NMSEDEC_FRACBITS) * 8192.0)); |
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} |
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printf("static const OPJ_INT16 lut_nmsedec_sig[1U << T1_NMSEDEC_BITS] = {\n "); |
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dump_array16(lut_nmsedec_sig, 1U << T1_NMSEDEC_BITS); |
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printf("static const OPJ_INT16 lut_nmsedec_sig0[1U << T1_NMSEDEC_BITS] = {\n "); |
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dump_array16(lut_nmsedec_sig0, 1U << T1_NMSEDEC_BITS); |
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printf("static const OPJ_INT16 lut_nmsedec_ref[1U << T1_NMSEDEC_BITS] = {\n "); |
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dump_array16(lut_nmsedec_ref, 1U << T1_NMSEDEC_BITS); |
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printf("static const OPJ_INT16 lut_nmsedec_ref0[1U << T1_NMSEDEC_BITS] = {\n "); |
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dump_array16(lut_nmsedec_ref0, 1U << T1_NMSEDEC_BITS); |
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vlc_tables_initialized = vlc_init_tables(); |
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printf("static const OPJ_UINT16 vlc_tbl0[1024] = {\n "); |
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dump_array16(vlc_tbl0, 1024); |
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printf("static const OPJ_UINT16 vlc_tbl1[1024] = {\n "); |
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dump_array16(vlc_tbl1, 1024); |
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return 0; |
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}
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