1070 lines
39 KiB
C
1070 lines
39 KiB
C
/*
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* Copyright (c) 2017 Paul B Mahol
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/attributes.h"
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#include "libavutil/common.h"
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#include "libavutil/eval.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/opt.h"
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#include "libavutil/pixdesc.h"
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#include "avfilter.h"
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#include "internal.h"
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#include "video.h"
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static const char *const var_names[] = {
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"w", ///< width of the input video
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"h", ///< height of the input video
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"val", ///< input value for the pixel
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"ymin",
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"umin",
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"vmin",
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"amin",
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"ymax",
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"umax",
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"vmax",
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"amax",
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NULL
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};
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enum var_name {
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VAR_W,
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VAR_H,
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VAR_VAL,
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VAR_YMIN,
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VAR_UMIN,
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VAR_VMIN,
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VAR_AMIN,
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VAR_YMAX,
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VAR_UMAX,
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VAR_VMAX,
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VAR_AMAX,
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VAR_VARS_NB
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};
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enum Curves {
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MAGMA,
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INFERNO,
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PLASMA,
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VIRIDIS,
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TURBO,
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CIVIDIS,
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SOLAR,
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SPECTRAL,
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COOL,
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HEAT,
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FIERY,
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BLUES,
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GREEN,
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HELIX,
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NB_CURVES,
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};
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enum Presets {
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PRESET_MAGMA,
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PRESET_INFERNO,
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PRESET_PLASMA,
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PRESET_VIRIDIS,
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PRESET_TURBO,
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PRESET_CIVIDIS,
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PRESET_RANGE1,
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PRESET_RANGE2,
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PRESET_SHADOWS,
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PRESET_HIGHLIGHTS,
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PRESET_SOLAR,
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PRESET_NOMINAL,
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PRESET_PREFERRED,
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PRESET_TOTAL,
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PRESET_SPECTRAL,
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PRESET_COOL,
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PRESET_HEAT,
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PRESET_FIERY,
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PRESET_BLUES,
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PRESET_GREEN,
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PRESET_HELIX,
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NB_PRESETS,
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};
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typedef double (*curve_fun)(double x);
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typedef struct Curve {
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double coef[3][8];
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double offset[3];
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curve_fun fun[3];
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int yuv;
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} Curve;
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typedef struct Fill {
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float fill[4];
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} Fill;
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typedef struct Range {
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AVRational start, end;
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} Range;
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typedef struct Preset {
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int nb_segments;
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const Range *ranges;
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const Curve *curves;
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const Fill *fills;
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} Preset;
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static const Range full_range = {{0, 1}, {1, 1}};
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static const Range nominal_range[] = {{{0, 1}, {4096, 65536}}, {{4096, 65536}, {60161, 65536}}, {{60161, 65536}, {1, 1}}};
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static const Range preferred_range[] = {{{0, 1}, {1280, 65536}}, {{1280, 65536}, {62977, 65536}}, {{62977, 65536}, {1, 1}}};
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static const Range total_range[] = {{{0, 1}, {256, 65536}}, {{256, 65536}, {65280, 65536}}, {{65280, 65536}, {1, 1}}};
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static const Range spec1_range[] = {{{0, 1}, {16, 256}}, {{16, 256}, {236, 256}}, {{236, 256}, {256, 256}}};
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static const Range spec2_range[] = {{{0, 1}, {16, 256}}, {{16, 256}, {22, 256}}, {{22, 256}, {226, 256}}, {{226, 256}, {236, 256}}, {{236, 256}, {256, 256}}};
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static const Range shadows_range[] = {{{0, 1}, {32, 256}}, {{32, 256}, {256, 256}}};
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static const Range highlights_range[] = {{{0,1}, {214,256}}, {{214, 256}, {224, 256}}, {{224, 256}, {256, 256}}};
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static const Fill spec1_fills[] = {{{0.5f, 0.f, .5f, 1.f}}, {{-1.f, -1.f, -1.f, 1.f}}, {{1.f, 0.f, 0.f, 1.f}}};
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static const Fill spec2_fills[] = {{{0.5f, 0.f, .5f, 1.f}}, {{0.f, 1.f, 1.f, 1.f}}, {{-1.f, -1.f, -1.f, 1.f}}, {{1.f, 1.f, 0.f, 1.f}}, {{1.f, 0.f, 0.f, 1.f}}};
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static const Fill shadows_fills[] = {{{0.8f, 0.4f, .8f, 1.f}}, {{-1.f, -1.f, -1.f, 1.f}}};
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static const Fill highlights_fills[] = {{{-1.f, -1.f, -1.f, 1.f}}, {{1.f, 0.3f, 0.6f, 1.f}}, {{1.f, 0.2f, .5f, 1.f}}};
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static double limit(double x)
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{
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return av_clipd(x, 0., 1.);
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}
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static double solarfun(double x)
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{
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return 0.5 * sin(x) + 0.5;
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}
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static double coolfunu(double x)
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{
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return 0.25 * sin(2.0 * x * M_PI - M_PI) + 0.5;
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}
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static double coolfunv(double x)
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{
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return 0.25 * sin(2.0 * x * M_PI) + 0.5;
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}
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static double heatfunu(double x)
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{
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return 0.25 * cos(2.0 * x * M_PI + M_PI) + 0.75;
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}
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static double heatfunv(double x)
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{
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return 0.25 * sin(2.0 * x * M_PI) + 0.5;
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}
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static double fieryfunu(double x)
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{
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return 0.75 - 0.25 * cos(2.0 * x * M_PI);
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}
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static double fieryfunv(double x)
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{
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return 0.25 + 0.25 * cos(2.0 * x * M_PI);
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}
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static double helixfunu(double x)
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{
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return 0.5 + 0.15 * sin(5.0 * x * M_PI + M_PI);
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}
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static double helixfunv(double x)
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{
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return 0.5 + 0.15 * cos(6.0 * x * M_PI + M_PI_2);
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}
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static const Curve curves[] =
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{
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[MAGMA] = {{
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{-7.5631093e-16, 7.4289183e-13, -2.8525484e-10, 5.4446085e-08, -5.5596238e-06, 3.0569325e-04, -2.3137421e-03, 1.2152095e-02 },
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{ 1.3217636e-15, -1.2214648e-12, 4.4319712e-10, -8.0197993e-08, 7.6598370e-06, -3.6523704e-04, 8.4836670e-03, -2.5536888e-02 },
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{-1.1446568e-15, 1.0013446e-12, -3.5651575e-10, 6.6775016e-08, -6.7120346e-06, 2.7346619e-04, 4.7969657e-03, 1.1971441e-02 },
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}, .fun = { limit, limit, limit }, },
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[INFERNO] = {{
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{-3.9848859e-18, 9.4821649e-14, -6.7371977e-11, 1.8469937e-08, -2.5359307e-06, 1.7959053e-04, 3.9782564e-04, 2.8845935e-04 },
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{ 6.8408539e-16, -6.5499979e-13, 2.4562526e-10, -4.5989298e-08, 4.5723324e-06, -2.2111913e-04, 5.2023164e-03, -1.1226064e-02 },
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{-2.9921470e-15, 2.5864165e-12, -8.7403799e-10, 1.4713388e-07, -1.2701505e-05, 4.5159935e-04, 3.1087989e-03, 1.9122831e-02 },
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}, .fun = { limit, limit, limit }, },
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[PLASMA] = {{
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{ 3.6196089e-16, -3.3623041e-13, 1.2324010e-10, -2.2769060e-08, 2.2297792e-06, -1.2567829e-04, 9.9791629e-03, 5.7247918e-02 },
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{ 5.0262888e-16, -5.3193896e-13, 2.2451715e-10, -4.7529623e-08, 5.1374873e-06, -2.3260136e-04, 3.1502825e-03, 1.5362491e-02 },
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{-1.7782261e-16, 2.2487839e-13, -1.0610236e-10, 2.4112644e-08, -2.6331623e-06, 8.9499751e-05, 2.1386328e-03, 5.3824268e-01 },
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}, .fun = { limit, limit, limit }, },
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[VIRIDIS] = {{
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{ 9.4850045e-16, -8.6629383e-13, 3.0310944e-10, -5.1340396e-08, 4.6024275e-06, -2.2744239e-04, 4.5559993e-03, 2.5662350e-01 },
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{ 9.6461041e-17, -6.9209477e-14, 1.7625397e-11, -2.0229773e-09, 1.4900110e-07, -1.9315187e-05, 5.8967339e-03, 3.9544827e-03 },
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{ 5.1785449e-16, -3.6663004e-13, 1.0249990e-10, -1.5431998e-08, 1.5007941e-06, -1.2001502e-04, 7.6951526e-03, 3.2292815e-01 },
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}, .fun = { limit, limit, limit }, },
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[TURBO] = {{
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{-4.3683890e-15, 3.7020347e-12, -1.1712592e-09, 1.6401790e-07, -8.6842919e-06, -1.8542465e-06, 8.4485325e-03, 1.6267077e-01 },
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{-4.0011069e-16, 2.7861423e-13, -6.3388921e-11, 5.8872238e-09, -5.4466522e-07, 1.8037114e-05, 1.0599869e-02, 7.6914696e-02 },
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{-2.8242609e-15, 2.9234108e-12, -1.1726546e-09, 2.2552115e-07, -2.0059387e-05, 5.0595552e-04, 1.7714932e-02, 2.7271836e-01 },
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}, .fun = { limit, limit, limit }, },
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[CIVIDIS] = {{
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{-9.5484131e-16, 9.6988184e-13, -4.0058766e-10, 8.5743924e-08, -9.9644797e-06, 5.9197908e-04, -1.0361579e-02, 3.3164429e-02 },
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{ 1.2731941e-17, -9.4238449e-15, 2.2808841e-12, -1.1548296e-10, -2.3888913e-08, 3.8986680e-06, 2.5879330e-03, 1.2769733e-01 },
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{ 4.6004608e-16, -5.0686849e-13, 2.2753449e-10, -5.3074099e-08, 6.7196096e-06, -4.4120020e-04, 1.3435551e-02, 2.8293355e-01 },
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}, .fun = { limit, limit, limit }, },
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[SOLAR] = {{
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{ 0, 0, 0, 0, 0.000001983938313, -0.0007618323, 0.2, -M_PI_2 },
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{ 0, 0, 0, 0, 0.000001983938313, -0.0007618323, 0.2, -M_PI_2 },
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{ 0, 0, 0, 0, 0.000001983938313, -0.0007618323, 0.2, -M_PI_2 },
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},
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.offset = { 0., -9., 9. },
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.fun = { solarfun, solarfun, solarfun }, },
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[SPECTRAL] = {{
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{ -1.6820e-15, 1.4982e-12, -5.0442e-10, 8.0490e-08, -6.1903e-06, 1.5821e-04, 6.4359e-03, 6.2887e-01 },
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{ 1.2526e-15, -1.2203e-12, 4.7013e-10, -8.9360e-08, 8.3839e-06, -3.6642e-04, 1.4784e-02, -9.8075e-03 },
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{ 1.4755e-15, -1.6765e-12, 7.3188e-10, -1.5522e-07, 1.6406e-05, -7.7883e-04, 1.4502e-02, 2.1597e-01 },
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}, .fun = { limit, limit, limit }, },
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[COOL] = {{
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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},
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.offset = { 0., 0., 0 },
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.yuv = 1,
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.fun = { coolfunu, limit, coolfunv }, },
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[HEAT] = {{
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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},
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.offset = { 0., 0., 0 },
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.yuv = 1,
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.fun = { heatfunu, limit, heatfunv }, },
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[FIERY] = {{
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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},
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.offset = { 0., 0., 0 },
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.yuv = 1,
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.fun = { fieryfunu, limit, fieryfunv }, },
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[BLUES] = {{
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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},
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.offset = { 0., 0., 0 },
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.yuv = 1,
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.fun = { fieryfunv, limit, fieryfunu }, },
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[GREEN] = {{
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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},
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.offset = { 0., 0., 0 },
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.yuv = 1,
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.fun = { fieryfunv, limit, fieryfunv }, },
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[HELIX] = {{
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
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},
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.offset = { 0., 0., 0 },
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.yuv = 1,
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.fun = { helixfunu, limit, helixfunv }, },
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};
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static const Preset presets[] =
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{
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[PRESET_MAGMA] = { 1, &full_range, &curves[MAGMA], NULL },
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[PRESET_INFERNO] = { 1, &full_range, &curves[INFERNO], NULL },
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[PRESET_PLASMA] = { 1, &full_range, &curves[PLASMA], NULL },
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[PRESET_VIRIDIS] = { 1, &full_range, &curves[VIRIDIS], NULL },
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[PRESET_TURBO] = { 1, &full_range, &curves[TURBO], NULL },
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[PRESET_CIVIDIS] = { 1, &full_range, &curves[CIVIDIS], NULL },
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[PRESET_RANGE1] = { 3, spec1_range, NULL, spec1_fills },
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[PRESET_NOMINAL] = { 3, nominal_range, NULL, spec1_fills },
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[PRESET_PREFERRED]={ 3, preferred_range, NULL, spec1_fills },
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[PRESET_TOTAL] = { 3, total_range, NULL, spec1_fills },
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[PRESET_RANGE2] = { 5, spec2_range, NULL, spec2_fills },
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[PRESET_SHADOWS] = { 2, shadows_range, NULL, shadows_fills },
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[PRESET_HIGHLIGHTS] = { 3, highlights_range, NULL, highlights_fills },
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[PRESET_SOLAR] = { 1, &full_range, &curves[SOLAR], NULL },
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[PRESET_SPECTRAL]= { 1, &full_range, &curves[SPECTRAL],NULL },
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[PRESET_COOL] = { 1, &full_range, &curves[COOL], NULL },
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[PRESET_HEAT] = { 1, &full_range, &curves[HEAT], NULL },
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[PRESET_FIERY] = { 1, &full_range, &curves[FIERY], NULL },
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[PRESET_BLUES] = { 1, &full_range, &curves[BLUES], NULL },
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[PRESET_GREEN] = { 1, &full_range, &curves[GREEN], NULL },
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[PRESET_HELIX] = { 1, &full_range, &curves[HELIX], NULL },
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};
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typedef struct PseudoColorContext {
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const AVClass *class;
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int preset;
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float opacity;
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int max;
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int index;
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int nb_planes;
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int color;
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int linesize[4];
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int width[4], height[4];
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double var_values[VAR_VARS_NB];
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char *comp_expr_str[4];
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AVExpr *comp_expr[4];
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float lut[4][256*256];
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void (*filter[4])(int max, int width, int height,
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const uint8_t *index, const uint8_t *src,
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uint8_t *dst,
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ptrdiff_t ilinesize,
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ptrdiff_t slinesize,
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ptrdiff_t dlinesize,
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float *lut,
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float opacity);
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} PseudoColorContext;
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#define OFFSET(x) offsetof(PseudoColorContext, x)
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#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
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static const AVOption pseudocolor_options[] = {
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{ "c0", "set component #0 expression", OFFSET(comp_expr_str[0]), AV_OPT_TYPE_STRING, {.str="val"}, .flags = FLAGS },
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{ "c1", "set component #1 expression", OFFSET(comp_expr_str[1]), AV_OPT_TYPE_STRING, {.str="val"}, .flags = FLAGS },
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{ "c2", "set component #2 expression", OFFSET(comp_expr_str[2]), AV_OPT_TYPE_STRING, {.str="val"}, .flags = FLAGS },
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{ "c3", "set component #3 expression", OFFSET(comp_expr_str[3]), AV_OPT_TYPE_STRING, {.str="val"}, .flags = FLAGS },
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{ "index", "set component as base", OFFSET(index), AV_OPT_TYPE_INT, {.i64=0}, 0, 3, .flags = FLAGS },
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{ "i", "set component as base", OFFSET(index), AV_OPT_TYPE_INT, {.i64=0}, 0, 3, .flags = FLAGS },
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{ "preset", "set preset", OFFSET(preset), AV_OPT_TYPE_INT, {.i64=-1},-1, NB_PRESETS-1, .flags = FLAGS, .unit = "preset" },
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{ "p", "set preset", OFFSET(preset), AV_OPT_TYPE_INT, {.i64=-1},-1, NB_PRESETS-1, .flags = FLAGS, .unit = "preset" },
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{ "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64=-1}, .flags = FLAGS, .unit = "preset" },
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{ "magma", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_MAGMA}, .flags = FLAGS, .unit = "preset" },
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{ "inferno", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_INFERNO}, .flags = FLAGS, .unit = "preset" },
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{ "plasma", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_PLASMA}, .flags = FLAGS, .unit = "preset" },
|
|
{ "viridis", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_VIRIDIS}, .flags = FLAGS, .unit = "preset" },
|
|
{ "turbo", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_TURBO}, .flags = FLAGS, .unit = "preset" },
|
|
{ "cividis", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_CIVIDIS}, .flags = FLAGS, .unit = "preset" },
|
|
{ "range1", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_RANGE1}, .flags = FLAGS, .unit = "preset" },
|
|
{ "range2", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_RANGE2}, .flags = FLAGS, .unit = "preset" },
|
|
{ "shadows", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_SHADOWS}, .flags = FLAGS, .unit = "preset" },
|
|
{ "highlights", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_HIGHLIGHTS},.flags=FLAGS, .unit = "preset" },
|
|
{ "solar", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_SOLAR}, .flags=FLAGS, .unit = "preset" },
|
|
{ "nominal", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_NOMINAL}, .flags=FLAGS, .unit = "preset" },
|
|
{ "preferred", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_PREFERRED},.flags=FLAGS, .unit = "preset" },
|
|
{ "total", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_TOTAL}, .flags=FLAGS, .unit = "preset" },
|
|
{ "spectral", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_SPECTRAL},.flags = FLAGS, .unit = "preset" },
|
|
{ "cool", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_COOL}, .flags = FLAGS, .unit = "preset" },
|
|
{ "heat", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_HEAT}, .flags = FLAGS, .unit = "preset" },
|
|
{ "fiery", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_FIERY}, .flags = FLAGS, .unit = "preset" },
|
|
{ "blues", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_BLUES}, .flags = FLAGS, .unit = "preset" },
|
|
{ "green", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_GREEN}, .flags = FLAGS, .unit = "preset" },
|
|
{ "helix", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_HELIX}, .flags = FLAGS, .unit = "preset" },
|
|
{ "opacity", "set pseudocolor opacity",OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=1}, 0, 1, .flags = FLAGS },
|
|
{ NULL }
|
|
};
|
|
|
|
static const enum AVPixelFormat pix_fmts[] = {
|
|
AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
|
|
AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P,
|
|
AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA422P,
|
|
AV_PIX_FMT_YUV444P, AV_PIX_FMT_GBRP,
|
|
AV_PIX_FMT_YUVA444P, AV_PIX_FMT_GBRAP,
|
|
AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUVA422P9,
|
|
AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUVA420P9,
|
|
AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUVA444P9,
|
|
AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUVA420P10,
|
|
AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUVA422P10,
|
|
AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUVA444P10,
|
|
AV_PIX_FMT_YUV420P12,
|
|
AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUVA422P12,
|
|
AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUVA444P12,
|
|
AV_PIX_FMT_YUV420P14,
|
|
AV_PIX_FMT_YUV422P14,
|
|
AV_PIX_FMT_YUV444P14,
|
|
AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUVA420P16,
|
|
AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUVA422P16,
|
|
AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUVA444P16,
|
|
AV_PIX_FMT_GBRP9,
|
|
AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10,
|
|
AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12,
|
|
AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRAP14,
|
|
AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16,
|
|
AV_PIX_FMT_NONE
|
|
};
|
|
|
|
static inline float lerpf(float v0, float v1, float f)
|
|
{
|
|
return v0 + (v1 - v0) * f;
|
|
}
|
|
|
|
#define PCLIP(v, max, dst, src, x) \
|
|
if (v >= 0 && v <= max) { \
|
|
dst[x] = lerpf(src[x], v, opacity);\
|
|
} else { \
|
|
dst[x] = src[x]; \
|
|
}
|
|
|
|
static void pseudocolor_filter(int max, int width, int height,
|
|
const uint8_t *index,
|
|
const uint8_t *src,
|
|
uint8_t *dst,
|
|
ptrdiff_t ilinesize,
|
|
ptrdiff_t slinesize,
|
|
ptrdiff_t dlinesize,
|
|
float *lut,
|
|
float opacity)
|
|
{
|
|
int x, y;
|
|
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++) {
|
|
int v = lut[index[x]];
|
|
|
|
PCLIP(v, max, dst, src, x);
|
|
}
|
|
index += ilinesize;
|
|
src += slinesize;
|
|
dst += dlinesize;
|
|
}
|
|
}
|
|
|
|
static void pseudocolor_filter_11(int max, int width, int height,
|
|
const uint8_t *index,
|
|
const uint8_t *src,
|
|
uint8_t *dst,
|
|
ptrdiff_t ilinesize,
|
|
ptrdiff_t slinesize,
|
|
ptrdiff_t dlinesize,
|
|
float *lut,
|
|
float opacity)
|
|
{
|
|
int x, y;
|
|
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++) {
|
|
int v = lut[index[(y << 1) * ilinesize + (x << 1)]];
|
|
|
|
PCLIP(v, max, dst, src, x);
|
|
}
|
|
src += slinesize;
|
|
dst += dlinesize;
|
|
}
|
|
}
|
|
|
|
static void pseudocolor_filter_11d(int max, int width, int height,
|
|
const uint8_t *index,
|
|
const uint8_t *src,
|
|
uint8_t *dst,
|
|
ptrdiff_t ilinesize,
|
|
ptrdiff_t slinesize,
|
|
ptrdiff_t dlinesize,
|
|
float *lut,
|
|
float opacity)
|
|
{
|
|
int x, y;
|
|
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++) {
|
|
int v = lut[index[(y >> 1) * ilinesize + (x >> 1)]];
|
|
|
|
PCLIP(v, max, dst, src, x);
|
|
}
|
|
src += slinesize;
|
|
dst += dlinesize;
|
|
}
|
|
}
|
|
|
|
static void pseudocolor_filter_10(int max, int width, int height,
|
|
const uint8_t *index,
|
|
const uint8_t *src,
|
|
uint8_t *dst,
|
|
ptrdiff_t ilinesize,
|
|
ptrdiff_t slinesize,
|
|
ptrdiff_t dlinesize,
|
|
float *lut,
|
|
float opacity)
|
|
{
|
|
int x, y;
|
|
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++) {
|
|
int v = lut[index[x << 1]];
|
|
|
|
PCLIP(v, max, dst, src, x);
|
|
}
|
|
index += ilinesize;
|
|
src += slinesize;
|
|
dst += dlinesize;
|
|
}
|
|
}
|
|
|
|
static void pseudocolor_filter_10d(int max, int width, int height,
|
|
const uint8_t *index,
|
|
const uint8_t *src,
|
|
uint8_t *dst,
|
|
ptrdiff_t ilinesize,
|
|
ptrdiff_t slinesize,
|
|
ptrdiff_t dlinesize,
|
|
float *lut,
|
|
float opacity)
|
|
{
|
|
int x, y;
|
|
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++) {
|
|
int v = lut[index[x >> 1]];
|
|
|
|
PCLIP(v, max, dst, src, x);
|
|
}
|
|
index += ilinesize;
|
|
src += slinesize;
|
|
dst += dlinesize;
|
|
}
|
|
}
|
|
|
|
static void pseudocolor_filter_16(int max, int width, int height,
|
|
const uint8_t *iindex,
|
|
const uint8_t *ssrc,
|
|
uint8_t *ddst,
|
|
ptrdiff_t ilinesize,
|
|
ptrdiff_t slinesize,
|
|
ptrdiff_t dlinesize,
|
|
float *lut,
|
|
float opacity)
|
|
{
|
|
const uint16_t *index = (const uint16_t *)iindex;
|
|
const uint16_t *src = (const uint16_t *)ssrc;
|
|
uint16_t *dst = (uint16_t *)ddst;
|
|
int x, y;
|
|
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++) {
|
|
int v = lut[index[x]];
|
|
|
|
PCLIP(v, max, dst, src, x);
|
|
}
|
|
index += ilinesize / 2;
|
|
src += slinesize / 2;
|
|
dst += dlinesize / 2;
|
|
}
|
|
}
|
|
|
|
static void pseudocolor_filter_16_10(int max, int width, int height,
|
|
const uint8_t *iindex,
|
|
const uint8_t *ssrc,
|
|
uint8_t *ddst,
|
|
ptrdiff_t ilinesize,
|
|
ptrdiff_t slinesize,
|
|
ptrdiff_t dlinesize,
|
|
float *lut,
|
|
float opacity)
|
|
{
|
|
const uint16_t *index = (const uint16_t *)iindex;
|
|
const uint16_t *src = (const uint16_t *)ssrc;
|
|
uint16_t *dst = (uint16_t *)ddst;
|
|
int x, y;
|
|
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++) {
|
|
int v = lut[index[x << 1]];
|
|
|
|
PCLIP(v, max, dst, src, x);
|
|
}
|
|
index += ilinesize / 2;
|
|
src += slinesize / 2;
|
|
dst += dlinesize / 2;
|
|
}
|
|
}
|
|
|
|
static void pseudocolor_filter_16_10d(int max, int width, int height,
|
|
const uint8_t *iindex,
|
|
const uint8_t *ssrc,
|
|
uint8_t *ddst,
|
|
ptrdiff_t ilinesize,
|
|
ptrdiff_t slinesize,
|
|
ptrdiff_t dlinesize,
|
|
float *lut,
|
|
float opacity)
|
|
{
|
|
const uint16_t *index = (const uint16_t *)iindex;
|
|
const uint16_t *src = (const uint16_t *)ssrc;
|
|
uint16_t *dst = (uint16_t *)ddst;
|
|
int x, y;
|
|
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++) {
|
|
int v = lut[index[x >> 1]];
|
|
|
|
PCLIP(v, max, dst, src, x);
|
|
}
|
|
index += ilinesize / 2;
|
|
src += slinesize / 2;
|
|
dst += dlinesize / 2;
|
|
}
|
|
}
|
|
|
|
static void pseudocolor_filter_16_11(int max, int width, int height,
|
|
const uint8_t *iindex,
|
|
const uint8_t *ssrc,
|
|
uint8_t *ddst,
|
|
ptrdiff_t ilinesize,
|
|
ptrdiff_t slinesize,
|
|
ptrdiff_t dlinesize,
|
|
float *lut,
|
|
float opacity)
|
|
{
|
|
const uint16_t *index = (const uint16_t *)iindex;
|
|
const uint16_t *src = (const uint16_t *)ssrc;
|
|
uint16_t *dst = (uint16_t *)ddst;
|
|
int x, y;
|
|
|
|
ilinesize /= 2;
|
|
dlinesize /= 2;
|
|
slinesize /= 2;
|
|
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++) {
|
|
int v = lut[index[(y << 1) * ilinesize + (x << 1)]];
|
|
|
|
PCLIP(v, max, dst, src, x);
|
|
}
|
|
src += slinesize;
|
|
dst += dlinesize;
|
|
}
|
|
}
|
|
|
|
static void pseudocolor_filter_16_11d(int max, int width, int height,
|
|
const uint8_t *iindex,
|
|
const uint8_t *ssrc,
|
|
uint8_t *ddst,
|
|
ptrdiff_t ilinesize,
|
|
ptrdiff_t slinesize,
|
|
ptrdiff_t dlinesize,
|
|
float *lut,
|
|
float opacity)
|
|
{
|
|
const uint16_t *index = (const uint16_t *)iindex;
|
|
const uint16_t *src = (const uint16_t *)ssrc;
|
|
uint16_t *dst = (uint16_t *)ddst;
|
|
int x, y;
|
|
|
|
ilinesize /= 2;
|
|
dlinesize /= 2;
|
|
slinesize /= 2;
|
|
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++) {
|
|
int v = lut[index[(y >> 1) * ilinesize + (x >> 1)]];
|
|
|
|
PCLIP(v, max, dst, src, x);
|
|
}
|
|
src += slinesize;
|
|
dst += dlinesize;
|
|
}
|
|
}
|
|
|
|
#define RGB_TO_Y_BT709(r, g, b) \
|
|
((0.21260*219.0/255.0) * (r) + (0.71520*219.0/255.0) * (g) + \
|
|
(0.07220*219.0/255.0) * (b))
|
|
|
|
#define RGB_TO_U_BT709(r1, g1, b1, max) \
|
|
(-(0.11457*224.0/255.0) * r1 - (0.38543*224.0/255.0) * g1 + \
|
|
(0.50000*224.0/255.0) * b1 + max * 0.5)
|
|
|
|
#define RGB_TO_V_BT709(r1, g1, b1, max) \
|
|
((0.50000*224.0/255.0) * r1 - (0.45415*224.0/255.0) * g1 - \
|
|
(0.04585*224.0/255.0) * b1 + max * 0.5)
|
|
|
|
#define Wr 0.2126
|
|
#define Wb 0.0722
|
|
#define Wg (1 - Wr - Wb)
|
|
#define Umax 0.436
|
|
#define Vmax 0.615
|
|
|
|
#define YUV_BT709_TO_R(y, u, v, max) \
|
|
((y + v * (1 - Wr) / Vmax) * max)
|
|
#define YUV_BT709_TO_G(y, u, v, max) \
|
|
((y - (u * Wb * (1 - Wb) / (Umax * Wg)) - (v * Wr * (1 - Wr) / (Vmax * Wg))) * max)
|
|
#define YUV_BT709_TO_B(y, u, v, max) \
|
|
((y + u * (1 - Wb) / Umax) * max)
|
|
|
|
static double poly_eval(const double *const poly, double x, curve_fun fun)
|
|
{
|
|
double res = 0.;
|
|
|
|
for (int i = 0; i < 8; i++) {
|
|
res += pow(x, i) * poly[7-i];
|
|
}
|
|
|
|
return fun(res);
|
|
}
|
|
|
|
static int config_input(AVFilterLink *inlink)
|
|
{
|
|
AVFilterContext *ctx = inlink->dst;
|
|
PseudoColorContext *s = ctx->priv;
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
|
|
int depth, ret, hsub, vsub, color, rgb;
|
|
|
|
rgb = desc->flags & AV_PIX_FMT_FLAG_RGB;
|
|
depth = desc->comp[0].depth;
|
|
s->max = (1 << depth) - 1;
|
|
s->nb_planes = av_pix_fmt_count_planes(inlink->format);
|
|
|
|
if (s->index >= s->nb_planes) {
|
|
av_log(ctx, AV_LOG_ERROR, "index out of allowed range\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0)
|
|
return ret;
|
|
|
|
hsub = desc->log2_chroma_w;
|
|
vsub = desc->log2_chroma_h;
|
|
s->height[1] = s->height[2] = AV_CEIL_RSHIFT(inlink->h, vsub);
|
|
s->height[0] = s->height[3] = inlink->h;
|
|
s->width[1] = s->width[2] = AV_CEIL_RSHIFT(inlink->w, hsub);
|
|
s->width[0] = s->width[3] = inlink->w;
|
|
|
|
s->var_values[VAR_W] = inlink->w;
|
|
s->var_values[VAR_H] = inlink->h;
|
|
|
|
s->var_values[VAR_YMIN] = 16 * (1 << (depth - 8));
|
|
s->var_values[VAR_UMIN] = 16 * (1 << (depth - 8));
|
|
s->var_values[VAR_VMIN] = 16 * (1 << (depth - 8));
|
|
s->var_values[VAR_AMIN] = 0;
|
|
s->var_values[VAR_YMAX] = 235 * (1 << (depth - 8));
|
|
s->var_values[VAR_UMAX] = 240 * (1 << (depth - 8));
|
|
s->var_values[VAR_VMAX] = 240 * (1 << (depth - 8));
|
|
s->var_values[VAR_AMAX] = s->max;
|
|
|
|
for (color = 0; color < s->nb_planes && s->preset < 0; color++) {
|
|
double res;
|
|
int val;
|
|
|
|
/* create the parsed expression */
|
|
av_expr_free(s->comp_expr[color]);
|
|
s->comp_expr[color] = NULL;
|
|
ret = av_expr_parse(&s->comp_expr[color], s->comp_expr_str[color],
|
|
var_names, NULL, NULL, NULL, NULL, 0, ctx);
|
|
if (ret < 0) {
|
|
av_log(ctx, AV_LOG_ERROR,
|
|
"Error when parsing the expression '%s' for the component %d and color %d.\n",
|
|
s->comp_expr_str[color], color, color);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
/* compute the lut */
|
|
for (val = 0; val < FF_ARRAY_ELEMS(s->lut[color]); val++) {
|
|
s->var_values[VAR_VAL] = val;
|
|
|
|
res = av_expr_eval(s->comp_expr[color], s->var_values, s);
|
|
if (isnan(res)) {
|
|
av_log(ctx, AV_LOG_ERROR,
|
|
"Error when evaluating the expression '%s' for the value %d for the component %d.\n",
|
|
s->comp_expr_str[color], val, color);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
s->lut[color][val] = res;
|
|
}
|
|
}
|
|
|
|
if (s->preset >= 0) {
|
|
int nb_segments = presets[s->preset].nb_segments;
|
|
|
|
for (int seg = 0; seg < nb_segments; seg++) {
|
|
AVRational rstart = presets[s->preset].ranges[seg].start;
|
|
AVRational rend = presets[s->preset].ranges[seg].end;
|
|
int start = av_rescale_rnd(s->max + 1, rstart.num, rstart.den, AV_ROUND_UP);
|
|
int end = av_rescale_rnd(s->max + 1, rend.num, rend.den, AV_ROUND_UP);
|
|
|
|
for (int i = start; i < end; i++) {
|
|
if (!presets[s->preset].curves) {
|
|
const Fill fill = presets[s->preset].fills[seg];
|
|
double r, g, b, a;
|
|
|
|
g = fill.fill[1];
|
|
b = fill.fill[2];
|
|
r = fill.fill[0];
|
|
a = fill.fill[3];
|
|
|
|
if (g >= 0.f && b >= 0.f && r >= 0.f) {
|
|
g *= s->max;
|
|
b *= s->max;
|
|
r *= s->max;
|
|
|
|
if (!rgb) {
|
|
double y = RGB_TO_Y_BT709(r, g, b);
|
|
double u = RGB_TO_U_BT709(r, g, b, s->max);
|
|
double v = RGB_TO_V_BT709(r, g, b, s->max);
|
|
|
|
r = v;
|
|
g = y;
|
|
b = u;
|
|
}
|
|
}
|
|
|
|
s->lut[0][i] = g;
|
|
s->lut[1][i] = b;
|
|
s->lut[2][i] = r;
|
|
s->lut[3][i] = a * s->max;
|
|
} else {
|
|
const Curve curve = presets[s->preset].curves[seg];
|
|
const double lf = i / (double)s->max * 256.;
|
|
double r, g, b;
|
|
|
|
g = poly_eval(curve.coef[1], lf + curve.offset[1], curve.fun[1]);
|
|
b = poly_eval(curve.coef[2], lf + curve.offset[2], curve.fun[2]);
|
|
r = poly_eval(curve.coef[0], lf + curve.offset[0], curve.fun[0]);
|
|
|
|
if (!curve.yuv || !rgb) {
|
|
g *= s->max;
|
|
b *= s->max;
|
|
r *= s->max;
|
|
}
|
|
|
|
if (!rgb && !curve.yuv) {
|
|
double y = RGB_TO_Y_BT709(r, g, b);
|
|
double u = RGB_TO_U_BT709(r, g, b, s->max);
|
|
double v = RGB_TO_V_BT709(r, g, b, s->max);
|
|
|
|
r = v;
|
|
g = y;
|
|
b = u;
|
|
} else if (rgb && curve.yuv) {
|
|
double y = g;
|
|
double u = b - 0.5;
|
|
double v = r - 0.5;
|
|
|
|
r = av_clipd(YUV_BT709_TO_R(y, u, v, s->max), 0, s->max);
|
|
g = av_clipd(YUV_BT709_TO_G(y, u, v, s->max), 0, s->max);
|
|
b = av_clipd(YUV_BT709_TO_B(y, u, v, s->max), 0, s->max);
|
|
}
|
|
|
|
s->lut[0][i] = g;
|
|
s->lut[1][i] = b;
|
|
s->lut[2][i] = r;
|
|
s->lut[3][i] = 1.f * s->max;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
switch (inlink->format) {
|
|
case AV_PIX_FMT_YUV444P:
|
|
case AV_PIX_FMT_YUVA444P:
|
|
case AV_PIX_FMT_GBRP:
|
|
case AV_PIX_FMT_GBRAP:
|
|
case AV_PIX_FMT_GRAY8:
|
|
s->filter[0] = s->filter[1] = s->filter[2] = s->filter[3] = pseudocolor_filter;
|
|
break;
|
|
case AV_PIX_FMT_YUV420P:
|
|
case AV_PIX_FMT_YUVA420P:
|
|
switch (s->index) {
|
|
case 0:
|
|
case 3:
|
|
s->filter[0] = s->filter[3] = pseudocolor_filter;
|
|
s->filter[1] = s->filter[2] = pseudocolor_filter_11;
|
|
break;
|
|
case 1:
|
|
case 2:
|
|
s->filter[0] = s->filter[3] = pseudocolor_filter_11d;
|
|
s->filter[1] = s->filter[2] = pseudocolor_filter;
|
|
break;
|
|
}
|
|
break;
|
|
case AV_PIX_FMT_YUV422P:
|
|
case AV_PIX_FMT_YUVA422P:
|
|
switch (s->index) {
|
|
case 0:
|
|
case 3:
|
|
s->filter[0] = s->filter[3] = pseudocolor_filter;
|
|
s->filter[1] = s->filter[2] = pseudocolor_filter_10;
|
|
break;
|
|
case 1:
|
|
case 2:
|
|
s->filter[0] = s->filter[3] = pseudocolor_filter_10d;
|
|
s->filter[1] = s->filter[2] = pseudocolor_filter;
|
|
break;
|
|
}
|
|
break;
|
|
case AV_PIX_FMT_YUV444P9:
|
|
case AV_PIX_FMT_YUVA444P9:
|
|
case AV_PIX_FMT_YUV444P10:
|
|
case AV_PIX_FMT_YUVA444P10:
|
|
case AV_PIX_FMT_YUV444P12:
|
|
case AV_PIX_FMT_YUVA444P12:
|
|
case AV_PIX_FMT_YUV444P14:
|
|
case AV_PIX_FMT_YUV444P16:
|
|
case AV_PIX_FMT_YUVA444P16:
|
|
case AV_PIX_FMT_GBRP9:
|
|
case AV_PIX_FMT_GBRP10:
|
|
case AV_PIX_FMT_GBRP12:
|
|
case AV_PIX_FMT_GBRP14:
|
|
case AV_PIX_FMT_GBRP16:
|
|
case AV_PIX_FMT_GBRAP10:
|
|
case AV_PIX_FMT_GBRAP12:
|
|
case AV_PIX_FMT_GBRAP14:
|
|
case AV_PIX_FMT_GBRAP16:
|
|
case AV_PIX_FMT_GRAY9:
|
|
case AV_PIX_FMT_GRAY10:
|
|
case AV_PIX_FMT_GRAY12:
|
|
case AV_PIX_FMT_GRAY14:
|
|
case AV_PIX_FMT_GRAY16:
|
|
s->filter[0] = s->filter[1] = s->filter[2] = s->filter[3] = pseudocolor_filter_16;
|
|
break;
|
|
case AV_PIX_FMT_YUV422P9:
|
|
case AV_PIX_FMT_YUVA422P9:
|
|
case AV_PIX_FMT_YUV422P10:
|
|
case AV_PIX_FMT_YUVA422P10:
|
|
case AV_PIX_FMT_YUV422P12:
|
|
case AV_PIX_FMT_YUVA422P12:
|
|
case AV_PIX_FMT_YUV422P14:
|
|
case AV_PIX_FMT_YUV422P16:
|
|
case AV_PIX_FMT_YUVA422P16:
|
|
switch (s->index) {
|
|
case 0:
|
|
case 3:
|
|
s->filter[0] = s->filter[3] = pseudocolor_filter_16;
|
|
s->filter[1] = s->filter[2] = pseudocolor_filter_16_10;
|
|
break;
|
|
case 1:
|
|
case 2:
|
|
s->filter[0] = s->filter[3] = pseudocolor_filter_16_10d;
|
|
s->filter[1] = s->filter[2] = pseudocolor_filter_16;
|
|
break;
|
|
}
|
|
break;
|
|
case AV_PIX_FMT_YUV420P9:
|
|
case AV_PIX_FMT_YUVA420P9:
|
|
case AV_PIX_FMT_YUV420P10:
|
|
case AV_PIX_FMT_YUVA420P10:
|
|
case AV_PIX_FMT_YUV420P12:
|
|
case AV_PIX_FMT_YUV420P14:
|
|
case AV_PIX_FMT_YUV420P16:
|
|
case AV_PIX_FMT_YUVA420P16:
|
|
switch (s->index) {
|
|
case 0:
|
|
case 3:
|
|
s->filter[0] = s->filter[3] = pseudocolor_filter_16;
|
|
s->filter[1] = s->filter[2] = pseudocolor_filter_16_11;
|
|
break;
|
|
case 1:
|
|
case 2:
|
|
s->filter[0] = s->filter[3] = pseudocolor_filter_16_11d;
|
|
s->filter[1] = s->filter[2] = pseudocolor_filter_16;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
typedef struct ThreadData {
|
|
AVFrame *in, *out;
|
|
} ThreadData;
|
|
|
|
static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
|
|
{
|
|
PseudoColorContext *s = ctx->priv;
|
|
ThreadData *td = arg;
|
|
AVFrame *in = td->in;
|
|
AVFrame *out = td->out;
|
|
|
|
for (int plane = 0; plane < s->nb_planes; plane++) {
|
|
const int slice_start = (s->height[plane] * jobnr) / nb_jobs;
|
|
const int slice_end = (s->height[plane] * (jobnr+1)) / nb_jobs;
|
|
const int islice_start = (s->height[s->index] * jobnr) / nb_jobs;
|
|
ptrdiff_t ilinesize = in->linesize[s->index];
|
|
ptrdiff_t slinesize = in->linesize[plane];
|
|
ptrdiff_t dlinesize = out->linesize[plane];
|
|
const uint8_t *index = in->data[s->index] + islice_start * ilinesize;
|
|
const uint8_t *src = in->data[plane] + slice_start * slinesize;
|
|
uint8_t *dst = out->data[plane] + slice_start * dlinesize;
|
|
|
|
s->filter[plane](s->max, s->width[plane], slice_end - slice_start,
|
|
index, src, dst, ilinesize, slinesize,
|
|
dlinesize, s->lut[plane], s->opacity);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
|
|
{
|
|
AVFilterContext *ctx = inlink->dst;
|
|
PseudoColorContext *s = ctx->priv;
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
ThreadData td;
|
|
AVFrame *out;
|
|
|
|
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
|
|
if (!out) {
|
|
av_frame_free(&in);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
av_frame_copy_props(out, in);
|
|
|
|
td.out = out, td.in = in;
|
|
ff_filter_execute(ctx, filter_slice, &td, NULL,
|
|
FFMIN(s->height[1], ff_filter_get_nb_threads(ctx)));
|
|
|
|
av_frame_free(&in);
|
|
return ff_filter_frame(outlink, out);
|
|
}
|
|
|
|
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
|
|
char *res, int res_len, int flags)
|
|
{
|
|
int ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
|
|
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return config_input(ctx->inputs[0]);
|
|
}
|
|
|
|
static const AVFilterPad inputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.filter_frame = filter_frame,
|
|
.config_props = config_input,
|
|
},
|
|
};
|
|
|
|
static av_cold void uninit(AVFilterContext *ctx)
|
|
{
|
|
PseudoColorContext *s = ctx->priv;
|
|
int i;
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
av_expr_free(s->comp_expr[i]);
|
|
s->comp_expr[i] = NULL;
|
|
}
|
|
}
|
|
|
|
AVFILTER_DEFINE_CLASS(pseudocolor);
|
|
|
|
const AVFilter ff_vf_pseudocolor = {
|
|
.name = "pseudocolor",
|
|
.description = NULL_IF_CONFIG_SMALL("Make pseudocolored video frames."),
|
|
.priv_size = sizeof(PseudoColorContext),
|
|
.priv_class = &pseudocolor_class,
|
|
.uninit = uninit,
|
|
FILTER_INPUTS(inputs),
|
|
FILTER_OUTPUTS(ff_video_default_filterpad),
|
|
FILTER_PIXFMTS_ARRAY(pix_fmts),
|
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
|
|
.process_command = process_command,
|
|
};
|