diff options
Diffstat (limited to 'extern/libopenjpeg/t1_generate_luts.c')
| -rw-r--r-- | extern/libopenjpeg/t1_generate_luts.c | 275 |
1 files changed, 0 insertions, 275 deletions
diff --git a/extern/libopenjpeg/t1_generate_luts.c b/extern/libopenjpeg/t1_generate_luts.c deleted file mode 100644 index 1925b951f1b..00000000000 --- a/extern/libopenjpeg/t1_generate_luts.c +++ /dev/null @@ -1,275 +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 <math.h> - -static int t1_init_ctxno_zc(int f, int orient) { - int h, v, d, n, t, hv; - n = 0; - h = ((f & T1_SIG_W) != 0) + ((f & T1_SIG_E) != 0); - v = ((f & T1_SIG_N) != 0) + ((f & T1_SIG_S) != 0); - d = ((f & T1_SIG_NW) != 0) + ((f & T1_SIG_NE) != 0) + ((f & T1_SIG_SE) != 0) + ((f & T1_SIG_SW) != 0); - - switch (orient) { - case 2: - t = h; - h = v; - v = t; - case 0: - case 1: - if (!h) { - if (!v) { - if (!d) - n = 0; - else if (d == 1) - n = 1; - else - n = 2; - } else if (v == 1) { - n = 3; - } else { - n = 4; - } - } else if (h == 1) { - if (!v) { - if (!d) - n = 5; - else - n = 6; - } else { - n = 7; - } - } else - n = 8; - break; - case 3: - hv = h + v; - if (!d) { - if (!hv) { - n = 0; - } else if (hv == 1) { - n = 1; - } else { - n = 2; - } - } else if (d == 1) { - if (!hv) { - n = 3; - } else if (hv == 1) { - n = 4; - } else { - n = 5; - } - } else if (d == 2) { - if (!hv) { - n = 6; - } else { - n = 7; - } - } else { - n = 8; - } - break; - } - - return (T1_CTXNO_ZC + n); -} - -static int t1_init_ctxno_sc(int f) { - int hc, vc, n; - n = 0; - - hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) == - T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W), - 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) == - (T1_SIG_E | T1_SGN_E)) + - ((f & (T1_SIG_W | T1_SGN_W)) == - (T1_SIG_W | T1_SGN_W)), 1); - - vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) == - T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S), - 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) == - (T1_SIG_N | T1_SGN_N)) + - ((f & (T1_SIG_S | T1_SGN_S)) == - (T1_SIG_S | T1_SGN_S)), 1); - - if (hc < 0) { - hc = -hc; - vc = -vc; - } - if (!hc) { - if (vc == -1) - n = 1; - else if (!vc) - n = 0; - else - n = 1; - } else if (hc == 1) { - if (vc == -1) - n = 2; - else if (!vc) - n = 3; - else - n = 4; - } - - return (T1_CTXNO_SC + n); -} - -static int t1_init_spb(int f) { - int hc, vc, n; - - hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) == - T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W), - 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) == - (T1_SIG_E | T1_SGN_E)) + - ((f & (T1_SIG_W | T1_SGN_W)) == - (T1_SIG_W | T1_SGN_W)), 1); - - vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) == - T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S), - 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) == - (T1_SIG_N | T1_SGN_N)) + - ((f & (T1_SIG_S | T1_SGN_S)) == - (T1_SIG_S | T1_SGN_S)), 1); - - if (!hc && !vc) - n = 0; - else - n = (!(hc > 0 || (!hc && vc > 0))); - - return n; -} - -void dump_array16(int array[],int size){ - int i; - --size; - for (i = 0; i < size; ++i) { - printf("0x%04x, ", array[i]); - if(!((i+1)&0x7)) - printf("\n "); - } - printf("0x%04x\n};\n\n", array[size]); -} - -int main(){ - int i, j; - double u, v, t; - - int lut_ctxno_zc[1024]; - int lut_nmsedec_sig[1 << T1_NMSEDEC_BITS]; - int lut_nmsedec_sig0[1 << T1_NMSEDEC_BITS]; - int lut_nmsedec_ref[1 << T1_NMSEDEC_BITS]; - int lut_nmsedec_ref0[1 << T1_NMSEDEC_BITS]; - - printf("/* This file was automatically generated by t1_generate_luts.c */\n\n"); - - // lut_ctxno_zc - for (j = 0; j < 4; ++j) { - for (i = 0; i < 256; ++i) { - int orient = j; - if (orient == 2) { - orient = 1; - } else if (orient == 1) { - orient = 2; - } - lut_ctxno_zc[(orient << 8) | i] = t1_init_ctxno_zc(i, j); - } - } - - printf("static char lut_ctxno_zc[1024] = {\n "); - for (i = 0; i < 1023; ++i) { - printf("%i, ", lut_ctxno_zc[i]); - if(!((i+1)&0x1f)) - printf("\n "); - } - printf("%i\n};\n\n", lut_ctxno_zc[1023]); - - // lut_ctxno_sc - printf("static char lut_ctxno_sc[256] = {\n "); - for (i = 0; i < 255; ++i) { - printf("0x%x, ", t1_init_ctxno_sc(i << 4)); - if(!((i+1)&0xf)) - printf("\n "); - } - printf("0x%x\n};\n\n", t1_init_ctxno_sc(255 << 4)); - - // lut_spb - printf("static char lut_spb[256] = {\n "); - for (i = 0; i < 255; ++i) { - printf("%i, ", t1_init_spb(i << 4)); - if(!((i+1)&0x1f)) - printf("\n "); - } - printf("%i\n};\n\n", t1_init_spb(255 << 4)); - - /* FIXME FIXME FIXME */ - /* fprintf(stdout,"nmsedec luts:\n"); */ - for (i = 0; i < (1 << T1_NMSEDEC_BITS); ++i) { - t = i / pow(2, T1_NMSEDEC_FRACBITS); - u = t; - v = t - 1.5; - lut_nmsedec_sig[i] = - int_max(0, - (int) (floor((u * u - v * v) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0)); - lut_nmsedec_sig0[i] = - int_max(0, - (int) (floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0)); - u = t - 1.0; - if (i & (1 << (T1_NMSEDEC_BITS - 1))) { - v = t - 1.5; - } else { - v = t - 0.5; - } - lut_nmsedec_ref[i] = - int_max(0, - (int) (floor((u * u - v * v) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0)); - lut_nmsedec_ref0[i] = - int_max(0, - (int) (floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0)); - } - - printf("static short lut_nmsedec_sig[1 << T1_NMSEDEC_BITS] = {\n "); - dump_array16(&lut_nmsedec_sig, 1 << T1_NMSEDEC_BITS); - - printf("static short lut_nmsedec_sig0[1 << T1_NMSEDEC_BITS] = {\n "); - dump_array16(&lut_nmsedec_sig0, 1 << T1_NMSEDEC_BITS); - - printf("static short lut_nmsedec_ref[1 << T1_NMSEDEC_BITS] = {\n "); - dump_array16(&lut_nmsedec_ref, 1 << T1_NMSEDEC_BITS); - - printf("static short lut_nmsedec_ref0[1 << T1_NMSEDEC_BITS] = {\n "); - dump_array16(&lut_nmsedec_ref0, 1 << T1_NMSEDEC_BITS); - - return 0; -} |