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-rw-r--r--third_party/libopenjpeg20/t1_generate_luts.c282
1 files changed, 0 insertions, 282 deletions
diff --git a/third_party/libopenjpeg20/t1_generate_luts.c b/third_party/libopenjpeg20/t1_generate_luts.c
deleted file mode 100644
index 1997d39977..0000000000
--- a/third_party/libopenjpeg20/t1_generate_luts.c
+++ /dev/null
@@ -1,282 +0,0 @@
-/*
- * 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"
-
-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 = opj_int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
- T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),
- 1) - opj_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 = opj_int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
- T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),
- 1) - opj_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 = opj_int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
- T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),
- 1) - opj_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 = opj_int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
- T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),
- 1) - opj_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;
-}
-
-static 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 argc, char **argv)
-{
- 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];
- (void)argc; (void)argv;
-
- 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 OPJ_BYTE 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 OPJ_BYTE 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 OPJ_BYTE 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] =
- opj_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] =
- opj_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] =
- opj_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] =
- opj_int_max(0,
- (int) (floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
- }
-
- printf("static OPJ_INT16 lut_nmsedec_sig[1 << T1_NMSEDEC_BITS] = {\n ");
- dump_array16(lut_nmsedec_sig, 1 << T1_NMSEDEC_BITS);
-
- printf("static OPJ_INT16 lut_nmsedec_sig0[1 << T1_NMSEDEC_BITS] = {\n ");
- dump_array16(lut_nmsedec_sig0, 1 << T1_NMSEDEC_BITS);
-
- printf("static OPJ_INT16 lut_nmsedec_ref[1 << T1_NMSEDEC_BITS] = {\n ");
- dump_array16(lut_nmsedec_ref, 1 << T1_NMSEDEC_BITS);
-
- printf("static OPJ_INT16 lut_nmsedec_ref0[1 << T1_NMSEDEC_BITS] = {\n ");
- dump_array16(lut_nmsedec_ref0, 1 << T1_NMSEDEC_BITS);
-
- return 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 08:12:33 +0000