2017-08-17 16:01:01 +00:00
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/*
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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 "formats.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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2021-01-28 14:13:58 +00:00
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enum ColorMaps {
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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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NB_CMAPS,
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};
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static const double presets[][3][8] =
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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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},
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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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},
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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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},
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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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},
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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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},
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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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},
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};
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2017-08-17 16:01:01 +00:00
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typedef struct PseudoColorContext {
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const AVClass *class;
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2021-01-28 14:13:58 +00:00
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int preset;
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2017-08-17 16:01:01 +00:00
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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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2017-08-21 13:32:32 +00:00
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float lut[4][256*256];
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2017-08-20 16:12:15 +00:00
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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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2017-08-17 16:01:01 +00:00
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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
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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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{ "i", "set component as base", OFFSET(index), AV_OPT_TYPE_INT, {.i64=0}, 0, 3, .flags = FLAGS },
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2021-01-28 14:13:58 +00:00
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{ "p", "set preset", OFFSET(preset), AV_OPT_TYPE_INT, {.i64=-1},-1,NB_CMAPS-1, .flags = FLAGS, "preset" },
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{ "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64=-1},.flags = FLAGS, "preset" },
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{ "magma", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MAGMA}, .flags = FLAGS, "preset" },
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{ "inferno", NULL, 0, AV_OPT_TYPE_CONST, {.i64=INFERNO}, .flags = FLAGS, "preset" },
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{ "plasma", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PLASMA}, .flags = FLAGS, "preset" },
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{ "viridis", NULL, 0, AV_OPT_TYPE_CONST, {.i64=VIRIDIS}, .flags = FLAGS, "preset" },
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{ "turbo", NULL, 0, AV_OPT_TYPE_CONST, {.i64=TURBO}, .flags = FLAGS, "preset" },
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{ "cividis", NULL, 0, AV_OPT_TYPE_CONST, {.i64=CIVIDIS}, .flags = FLAGS, "preset" },
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2017-08-17 16:01:01 +00:00
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{ NULL }
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};
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static const enum AVPixelFormat pix_fmts[] = {
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2018-09-09 17:05:56 +00:00
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AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
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2017-08-20 16:12:15 +00:00
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AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P,
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AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA422P,
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2017-08-17 16:01:01 +00:00
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AV_PIX_FMT_YUV444P, AV_PIX_FMT_GBRP,
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AV_PIX_FMT_YUVA444P, AV_PIX_FMT_GBRAP,
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2017-08-21 13:32:32 +00:00
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AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUVA422P9,
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AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUVA420P9,
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AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUVA444P9,
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AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUVA420P10,
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AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUVA422P10,
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AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUVA444P10,
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AV_PIX_FMT_YUV420P12,
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AV_PIX_FMT_YUV422P12,
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AV_PIX_FMT_YUV444P12,
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AV_PIX_FMT_YUV420P14,
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AV_PIX_FMT_YUV422P14,
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AV_PIX_FMT_YUV444P14,
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AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUVA420P16,
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AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUVA422P16,
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AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUVA444P16,
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2017-12-12 18:31:50 +00:00
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AV_PIX_FMT_GBRP9,
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2017-08-21 13:32:32 +00:00
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AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10,
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2017-12-12 18:31:50 +00:00
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AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12,
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AV_PIX_FMT_GBRP14,
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2017-08-21 13:32:32 +00:00
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AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16,
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2017-08-17 16:01:01 +00:00
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AV_PIX_FMT_NONE
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};
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static int query_formats(AVFilterContext *ctx)
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{
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AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
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if (!fmts_list)
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return AVERROR(ENOMEM);
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return ff_set_common_formats(ctx, fmts_list);
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}
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2017-08-20 16:12:15 +00:00
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static void pseudocolor_filter(int max, int width, int height,
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const uint8_t *index,
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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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{
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int x, y;
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for (y = 0; y < height; y++) {
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for (x = 0; x < width; x++) {
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int v = lut[index[x]];
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if (v >= 0 && v <= max) {
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dst[x] = v;
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} else {
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dst[x] = src[x];
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}
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}
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index += ilinesize;
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src += slinesize;
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dst += dlinesize;
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}
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}
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static void pseudocolor_filter_11(int max, int width, int height,
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const uint8_t *index,
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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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{
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int x, y;
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for (y = 0; y < height; y++) {
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for (x = 0; x < width; x++) {
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int v = lut[index[(y << 1) * ilinesize + (x << 1)]];
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if (v >= 0 && v <= max) {
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dst[x] = v;
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} else {
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dst[x] = src[x];
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}
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}
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src += slinesize;
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dst += dlinesize;
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}
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}
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static void pseudocolor_filter_11d(int max, int width, int height,
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const uint8_t *index,
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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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{
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int x, y;
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for (y = 0; y < height; y++) {
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for (x = 0; x < width; x++) {
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int v = lut[index[(y >> 1) * ilinesize + (x >> 1)]];
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if (v >= 0 && v <= max) {
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dst[x] = v;
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} else {
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dst[x] = src[x];
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}
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}
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src += slinesize;
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dst += dlinesize;
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}
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}
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static void pseudocolor_filter_10(int max, int width, int height,
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const uint8_t *index,
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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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{
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int x, y;
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for (y = 0; y < height; y++) {
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for (x = 0; x < width; x++) {
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int v = lut[index[x << 1]];
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if (v >= 0 && v <= max) {
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dst[x] = v;
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} else {
|
|
|
|
dst[x] = 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)
|
|
|
|
{
|
|
|
|
int x, y;
|
|
|
|
|
|
|
|
for (y = 0; y < height; y++) {
|
|
|
|
for (x = 0; x < width; x++) {
|
|
|
|
int v = lut[index[x >> 1]];
|
|
|
|
|
|
|
|
if (v >= 0 && v <= max) {
|
|
|
|
dst[x] = v;
|
|
|
|
} else {
|
|
|
|
dst[x] = src[x];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
index += ilinesize;
|
|
|
|
src += slinesize;
|
|
|
|
dst += dlinesize;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-08-21 13:32:32 +00:00
|
|
|
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)
|
|
|
|
{
|
|
|
|
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]];
|
|
|
|
|
|
|
|
if (v >= 0 && v <= max) {
|
|
|
|
dst[x] = v;
|
|
|
|
} else {
|
|
|
|
dst[x] = 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)
|
|
|
|
{
|
|
|
|
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]];
|
|
|
|
|
|
|
|
if (v >= 0 && v <= max) {
|
|
|
|
dst[x] = v;
|
|
|
|
} else {
|
|
|
|
dst[x] = 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)
|
|
|
|
{
|
|
|
|
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]];
|
|
|
|
|
|
|
|
if (v >= 0 && v <= max) {
|
|
|
|
dst[x] = v;
|
|
|
|
} else {
|
|
|
|
dst[x] = 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)
|
|
|
|
{
|
|
|
|
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)]];
|
|
|
|
|
|
|
|
if (v >= 0 && v <= max) {
|
|
|
|
dst[x] = v;
|
|
|
|
} else {
|
|
|
|
dst[x] = 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)
|
|
|
|
{
|
|
|
|
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)]];
|
|
|
|
|
|
|
|
if (v >= 0 && v <= max) {
|
|
|
|
dst[x] = v;
|
|
|
|
} else {
|
|
|
|
dst[x] = src[x];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
src += slinesize;
|
|
|
|
dst += dlinesize;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-01-28 14:13:58 +00:00
|
|
|
#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)
|
|
|
|
|
|
|
|
static double poly_eval(const double *const poly, double x)
|
|
|
|
{
|
|
|
|
double res = 0.;
|
|
|
|
|
|
|
|
for (int i = 0; i < 8; i++) {
|
|
|
|
res += pow(x, i) * poly[7-i];
|
|
|
|
}
|
|
|
|
|
|
|
|
return av_clipd(res, 0., 1.);
|
|
|
|
}
|
|
|
|
|
2017-08-17 16:01:01 +00:00
|
|
|
static int config_input(AVFilterLink *inlink)
|
|
|
|
{
|
|
|
|
AVFilterContext *ctx = inlink->dst;
|
|
|
|
PseudoColorContext *s = ctx->priv;
|
|
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
|
2021-01-28 14:13:58 +00:00
|
|
|
int depth, ret, hsub, vsub, color, factor, rgb;
|
2017-08-17 16:01:01 +00:00
|
|
|
|
2021-01-28 14:13:58 +00:00
|
|
|
rgb = desc->flags & AV_PIX_FMT_FLAG_RGB;
|
2017-08-17 16:01:01 +00:00
|
|
|
depth = desc->comp[0].depth;
|
2021-01-28 14:13:58 +00:00
|
|
|
factor = 1 << (depth - 8);
|
2017-08-17 16:01:01 +00:00
|
|
|
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;
|
|
|
|
|
2021-01-28 14:13:58 +00:00
|
|
|
for (color = 0; color < s->nb_planes && s->preset < 0; color++) {
|
2017-08-17 16:01:01 +00:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-01-28 14:13:58 +00:00
|
|
|
if (s->preset >= 0) {
|
|
|
|
for (int i = 0; i < 256; i++) {
|
|
|
|
for (int j = 0; j < factor; j++) {
|
|
|
|
const double lf = j / (double)factor;
|
|
|
|
double r, g, b;
|
|
|
|
|
|
|
|
g = poly_eval(presets[s->preset][1], i + lf) * s->max;
|
|
|
|
b = poly_eval(presets[s->preset][2], i + lf) * s->max;
|
|
|
|
r = poly_eval(presets[s->preset][0], i + lf) * 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*factor+j] = g;
|
|
|
|
s->lut[1][i*factor+j] = b;
|
|
|
|
s->lut[2][i*factor+j] = r;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-08-20 16:12:15 +00:00
|
|
|
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;
|
2017-08-21 13:32:32 +00:00
|
|
|
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_YUV444P14:
|
|
|
|
case AV_PIX_FMT_YUV444P16:
|
|
|
|
case AV_PIX_FMT_YUVA444P16:
|
2017-12-12 18:31:50 +00:00
|
|
|
case AV_PIX_FMT_GBRP9:
|
2017-08-21 13:32:32 +00:00
|
|
|
case AV_PIX_FMT_GBRP10:
|
2017-12-12 18:31:50 +00:00
|
|
|
case AV_PIX_FMT_GBRP12:
|
|
|
|
case AV_PIX_FMT_GBRP14:
|
2017-08-21 13:32:32 +00:00
|
|
|
case AV_PIX_FMT_GBRP16:
|
2017-12-12 18:31:50 +00:00
|
|
|
case AV_PIX_FMT_GBRAP10:
|
|
|
|
case AV_PIX_FMT_GBRAP12:
|
2017-08-21 13:32:32 +00:00
|
|
|
case AV_PIX_FMT_GBRAP16:
|
2017-12-12 18:31:50 +00:00
|
|
|
case AV_PIX_FMT_GRAY9:
|
2017-08-21 13:32:32 +00:00
|
|
|
case AV_PIX_FMT_GRAY10:
|
2017-12-12 18:31:50 +00:00
|
|
|
case AV_PIX_FMT_GRAY12:
|
2018-09-09 17:05:56 +00:00
|
|
|
case AV_PIX_FMT_GRAY14:
|
2017-08-21 13:32:32 +00:00
|
|
|
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_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;
|
2017-08-20 16:12:15 +00:00
|
|
|
}
|
|
|
|
|
2017-08-17 16:01:01 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2021-01-27 23:54:51 +00:00
|
|
|
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]);
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2017-08-17 16:01:01 +00:00
|
|
|
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
|
|
|
|
{
|
|
|
|
AVFilterContext *ctx = inlink->dst;
|
|
|
|
PseudoColorContext *s = ctx->priv;
|
|
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
2021-01-27 23:54:51 +00:00
|
|
|
ThreadData td;
|
2017-08-17 16:01:01 +00:00
|
|
|
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);
|
|
|
|
|
2021-01-27 23:54:51 +00:00
|
|
|
td.out = out, td.in = in;
|
|
|
|
ctx->internal->execute(ctx, filter_slice, &td, NULL, FFMIN(s->height[1], ff_filter_get_nb_threads(ctx)));
|
2017-08-17 16:01:01 +00:00
|
|
|
|
|
|
|
av_frame_free(&in);
|
|
|
|
return ff_filter_frame(outlink, out);
|
|
|
|
}
|
|
|
|
|
|
|
|
static const AVFilterPad inputs[] = {
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
|
|
.filter_frame = filter_frame,
|
|
|
|
.config_props = config_input,
|
|
|
|
},
|
|
|
|
{ NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
static const AVFilterPad outputs[] = {
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
|
|
},
|
|
|
|
{ NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
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);
|
|
|
|
|
|
|
|
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,
|
|
|
|
.query_formats = query_formats,
|
|
|
|
.inputs = inputs,
|
|
|
|
.outputs = outputs,
|
2021-01-27 23:54:51 +00:00
|
|
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
|
2017-08-17 16:01:01 +00:00
|
|
|
};
|