FFmpeg coverage

Line	Branch	Exec	Source
1			/*
2			* Copyright (c) 2017 Paul B Mahol
3			*
4			* This file is part of FFmpeg.
5			*
6			* FFmpeg is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU Lesser General Public
8			* License as published by the Free Software Foundation; either
9			* version 2.1 of the License, or (at your option) any later version.
10			*
11			* FFmpeg is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14			* Lesser General Public License for more details.
15			*
16			* You should have received a copy of the GNU Lesser General Public
17			* License along with FFmpeg; if not, write to the Free Software
18			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19			*/
20
21			#include "libavutil/attributes.h"
22			#include "libavutil/common.h"
23			#include "libavutil/eval.h"
24			#include "libavutil/imgutils.h"
25			#include "libavutil/opt.h"
26			#include "libavutil/pixdesc.h"
27			#include "avfilter.h"
28			#include "filters.h"
29			#include "video.h"
30
31			static const char *const var_names[] = {
32			"w", ///< width of the input video
33			"h", ///< height of the input video
34			"val", ///< input value for the pixel
35			"ymin",
36			"umin",
37			"vmin",
38			"amin",
39			"ymax",
40			"umax",
41			"vmax",
42			"amax",
43			NULL
44			};
45
46			enum var_name {
47			VAR_W,
48			VAR_H,
49			VAR_VAL,
50			VAR_YMIN,
51			VAR_UMIN,
52			VAR_VMIN,
53			VAR_AMIN,
54			VAR_YMAX,
55			VAR_UMAX,
56			VAR_VMAX,
57			VAR_AMAX,
58			VAR_VARS_NB
59			};
60
61			enum Curves {
62			MAGMA,
63			INFERNO,
64			PLASMA,
65			VIRIDIS,
66			TURBO,
67			CIVIDIS,
68			SOLAR,
69			SPECTRAL,
70			COOL,
71			HEAT,
72			FIERY,
73			BLUES,
74			GREEN,
75			HELIX,
76			NB_CURVES,
77			};
78
79			enum Presets {
80			PRESET_MAGMA,
81			PRESET_INFERNO,
82			PRESET_PLASMA,
83			PRESET_VIRIDIS,
84			PRESET_TURBO,
85			PRESET_CIVIDIS,
86			PRESET_RANGE1,
87			PRESET_RANGE2,
88			PRESET_SHADOWS,
89			PRESET_HIGHLIGHTS,
90			PRESET_SOLAR,
91			PRESET_NOMINAL,
92			PRESET_PREFERRED,
93			PRESET_TOTAL,
94			PRESET_SPECTRAL,
95			PRESET_COOL,
96			PRESET_HEAT,
97			PRESET_FIERY,
98			PRESET_BLUES,
99			PRESET_GREEN,
100			PRESET_HELIX,
101			NB_PRESETS,
102			};
103
104			typedef double (*curve_fun)(double x);
105
106			typedef struct Curve {
107			double coef[3][8];
108			double offset[3];
109			curve_fun fun[3];
110			int yuv;
111			} Curve;
112
113			typedef struct Fill {
114			float fill[4];
115			} Fill;
116
117			typedef struct Range {
118			AVRational start, end;
119			} Range;
120
121			typedef struct Preset {
122			int nb_segments;
123			const Range *ranges;
124			const Curve *curves;
125			const Fill *fills;
126			} Preset;
127
128			static const Range full_range = {{0, 1}, {1, 1}};
129			static const Range nominal_range[] = {{{0, 1}, {4096, 65536}}, {{4096, 65536}, {60161, 65536}}, {{60161, 65536}, {1, 1}}};
130			static const Range preferred_range[] = {{{0, 1}, {1280, 65536}}, {{1280, 65536}, {62977, 65536}}, {{62977, 65536}, {1, 1}}};
131			static const Range total_range[] = {{{0, 1}, {256, 65536}}, {{256, 65536}, {65280, 65536}}, {{65280, 65536}, {1, 1}}};
132			static const Range spec1_range[] = {{{0, 1}, {16, 256}}, {{16, 256}, {236, 256}}, {{236, 256}, {256, 256}}};
133			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}}};
134			static const Range shadows_range[] = {{{0, 1}, {32, 256}}, {{32, 256}, {256, 256}}};
135			static const Range highlights_range[] = {{{0,1}, {214,256}}, {{214, 256}, {224, 256}}, {{224, 256}, {256, 256}}};
136
137			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}}};
138			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}}};
139			static const Fill shadows_fills[] = {{{0.8f, 0.4f, .8f, 1.f}}, {{-1.f, -1.f, -1.f, 1.f}}};
140			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}}};
141
142		✗	static double limit(double x)
143			{
144		✗	return av_clipd(x, 0., 1.);
145			}
146
147		✗	static double solarfun(double x)
148			{
149		✗	return 0.5 * sin(x) + 0.5;
150			}
151
152		✗	static double coolfunu(double x)
153			{
154		✗	return 0.25 * sin(2.0 * x * M_PI - M_PI) + 0.5;
155			}
156
157		✗	static double coolfunv(double x)
158			{
159		✗	return 0.25 * sin(2.0 * x * M_PI) + 0.5;
160			}
161
162		✗	static double heatfunu(double x)
163			{
164		✗	return 0.25 * cos(2.0 * x * M_PI + M_PI) + 0.75;
165			}
166
167		✗	static double heatfunv(double x)
168			{
169		✗	return 0.25 * sin(2.0 * x * M_PI) + 0.5;
170			}
171
172		✗	static double fieryfunu(double x)
173			{
174		✗	return 0.75 - 0.25 * cos(2.0 * x * M_PI);
175			}
176
177		✗	static double fieryfunv(double x)
178			{
179		✗	return 0.25 + 0.25 * cos(2.0 * x * M_PI);
180			}
181
182		✗	static double helixfunu(double x)
183			{
184		✗	return 0.5 + 0.15 * sin(5.0 * x * M_PI + M_PI);
185			}
186
187		✗	static double helixfunv(double x)
188			{
189		✗	return 0.5 + 0.15 * cos(6.0 * x * M_PI + M_PI_2);
190			}
191
192			static const Curve curves[] =
193			{
194			[MAGMA] = {{
195			{-7.5631093e-16, 7.4289183e-13, -2.8525484e-10, 5.4446085e-08, -5.5596238e-06, 3.0569325e-04, -2.3137421e-03, 1.2152095e-02 },
196			{ 1.3217636e-15, -1.2214648e-12, 4.4319712e-10, -8.0197993e-08, 7.6598370e-06, -3.6523704e-04, 8.4836670e-03, -2.5536888e-02 },
197			{-1.1446568e-15, 1.0013446e-12, -3.5651575e-10, 6.6775016e-08, -6.7120346e-06, 2.7346619e-04, 4.7969657e-03, 1.1971441e-02 },
198			}, .fun = { limit, limit, limit }, },
199			[INFERNO] = {{
200			{-3.9848859e-18, 9.4821649e-14, -6.7371977e-11, 1.8469937e-08, -2.5359307e-06, 1.7959053e-04, 3.9782564e-04, 2.8845935e-04 },
201			{ 6.8408539e-16, -6.5499979e-13, 2.4562526e-10, -4.5989298e-08, 4.5723324e-06, -2.2111913e-04, 5.2023164e-03, -1.1226064e-02 },
202			{-2.9921470e-15, 2.5864165e-12, -8.7403799e-10, 1.4713388e-07, -1.2701505e-05, 4.5159935e-04, 3.1087989e-03, 1.9122831e-02 },
203			}, .fun = { limit, limit, limit }, },
204			[PLASMA] = {{
205			{ 3.6196089e-16, -3.3623041e-13, 1.2324010e-10, -2.2769060e-08, 2.2297792e-06, -1.2567829e-04, 9.9791629e-03, 5.7247918e-02 },
206			{ 5.0262888e-16, -5.3193896e-13, 2.2451715e-10, -4.7529623e-08, 5.1374873e-06, -2.3260136e-04, 3.1502825e-03, 1.5362491e-02 },
207			{-1.7782261e-16, 2.2487839e-13, -1.0610236e-10, 2.4112644e-08, -2.6331623e-06, 8.9499751e-05, 2.1386328e-03, 5.3824268e-01 },
208			}, .fun = { limit, limit, limit }, },
209			[VIRIDIS] = {{
210			{ 9.4850045e-16, -8.6629383e-13, 3.0310944e-10, -5.1340396e-08, 4.6024275e-06, -2.2744239e-04, 4.5559993e-03, 2.5662350e-01 },
211			{ 9.6461041e-17, -6.9209477e-14, 1.7625397e-11, -2.0229773e-09, 1.4900110e-07, -1.9315187e-05, 5.8967339e-03, 3.9544827e-03 },
212			{ 5.1785449e-16, -3.6663004e-13, 1.0249990e-10, -1.5431998e-08, 1.5007941e-06, -1.2001502e-04, 7.6951526e-03, 3.2292815e-01 },
213			}, .fun = { limit, limit, limit }, },
214			[TURBO] = {{
215			{-4.3683890e-15, 3.7020347e-12, -1.1712592e-09, 1.6401790e-07, -8.6842919e-06, -1.8542465e-06, 8.4485325e-03, 1.6267077e-01 },
216			{-4.0011069e-16, 2.7861423e-13, -6.3388921e-11, 5.8872238e-09, -5.4466522e-07, 1.8037114e-05, 1.0599869e-02, 7.6914696e-02 },
217			{-2.8242609e-15, 2.9234108e-12, -1.1726546e-09, 2.2552115e-07, -2.0059387e-05, 5.0595552e-04, 1.7714932e-02, 2.7271836e-01 },
218			}, .fun = { limit, limit, limit }, },
219			[CIVIDIS] = {{
220			{-9.5484131e-16, 9.6988184e-13, -4.0058766e-10, 8.5743924e-08, -9.9644797e-06, 5.9197908e-04, -1.0361579e-02, 3.3164429e-02 },
221			{ 1.2731941e-17, -9.4238449e-15, 2.2808841e-12, -1.1548296e-10, -2.3888913e-08, 3.8986680e-06, 2.5879330e-03, 1.2769733e-01 },
222			{ 4.6004608e-16, -5.0686849e-13, 2.2753449e-10, -5.3074099e-08, 6.7196096e-06, -4.4120020e-04, 1.3435551e-02, 2.8293355e-01 },
223			}, .fun = { limit, limit, limit }, },
224			[SOLAR] = {{
225			{ 0, 0, 0, 0, 0.000001983938313, -0.0007618323, 0.2, -M_PI_2 },
226			{ 0, 0, 0, 0, 0.000001983938313, -0.0007618323, 0.2, -M_PI_2 },
227			{ 0, 0, 0, 0, 0.000001983938313, -0.0007618323, 0.2, -M_PI_2 },
228			},
229			.offset = { 0., -9., 9. },
230			.fun = { solarfun, solarfun, solarfun }, },
231			[SPECTRAL] = {{
232			{ -1.6820e-15, 1.4982e-12, -5.0442e-10, 8.0490e-08, -6.1903e-06, 1.5821e-04, 6.4359e-03, 6.2887e-01 },
233			{ 1.2526e-15, -1.2203e-12, 4.7013e-10, -8.9360e-08, 8.3839e-06, -3.6642e-04, 1.4784e-02, -9.8075e-03 },
234			{ 1.4755e-15, -1.6765e-12, 7.3188e-10, -1.5522e-07, 1.6406e-05, -7.7883e-04, 1.4502e-02, 2.1597e-01 },
235			}, .fun = { limit, limit, limit }, },
236			[COOL] = {{
237			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
238			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
239			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
240			},
241			.offset = { 0., 0., 0 },
242			.yuv = 1,
243			.fun = { coolfunu, limit, coolfunv }, },
244			[HEAT] = {{
245			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
246			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
247			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
248			},
249			.offset = { 0., 0., 0 },
250			.yuv = 1,
251			.fun = { heatfunu, limit, heatfunv }, },
252			[FIERY] = {{
253			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
254			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
255			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
256			},
257			.offset = { 0., 0., 0 },
258			.yuv = 1,
259			.fun = { fieryfunu, limit, fieryfunv }, },
260			[BLUES] = {{
261			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
262			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
263			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
264			},
265			.offset = { 0., 0., 0 },
266			.yuv = 1,
267			.fun = { fieryfunv, limit, fieryfunu }, },
268			[GREEN] = {{
269			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
270			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
271			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
272			},
273			.offset = { 0., 0., 0 },
274			.yuv = 1,
275			.fun = { fieryfunv, limit, fieryfunv }, },
276			[HELIX] = {{
277			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
278			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
279			{ 0, 0, 0, 0, 0, 0, 1./256, 0 },
280			},
281			.offset = { 0., 0., 0 },
282			.yuv = 1,
283			.fun = { helixfunu, limit, helixfunv }, },
284			};
285
286			static const Preset presets[] =
287			{
288			[PRESET_MAGMA] = { 1, &full_range, &curves[MAGMA], NULL },
289			[PRESET_INFERNO] = { 1, &full_range, &curves[INFERNO], NULL },
290			[PRESET_PLASMA] = { 1, &full_range, &curves[PLASMA], NULL },
291			[PRESET_VIRIDIS] = { 1, &full_range, &curves[VIRIDIS], NULL },
292			[PRESET_TURBO] = { 1, &full_range, &curves[TURBO], NULL },
293			[PRESET_CIVIDIS] = { 1, &full_range, &curves[CIVIDIS], NULL },
294			[PRESET_RANGE1] = { 3, spec1_range, NULL, spec1_fills },
295			[PRESET_NOMINAL] = { 3, nominal_range, NULL, spec1_fills },
296			[PRESET_PREFERRED]={ 3, preferred_range, NULL, spec1_fills },
297			[PRESET_TOTAL] = { 3, total_range, NULL, spec1_fills },
298			[PRESET_RANGE2] = { 5, spec2_range, NULL, spec2_fills },
299			[PRESET_SHADOWS] = { 2, shadows_range, NULL, shadows_fills },
300			[PRESET_HIGHLIGHTS] = { 3, highlights_range, NULL, highlights_fills },
301			[PRESET_SOLAR] = { 1, &full_range, &curves[SOLAR], NULL },
302			[PRESET_SPECTRAL]= { 1, &full_range, &curves[SPECTRAL],NULL },
303			[PRESET_COOL] = { 1, &full_range, &curves[COOL], NULL },
304			[PRESET_HEAT] = { 1, &full_range, &curves[HEAT], NULL },
305			[PRESET_FIERY] = { 1, &full_range, &curves[FIERY], NULL },
306			[PRESET_BLUES] = { 1, &full_range, &curves[BLUES], NULL },
307			[PRESET_GREEN] = { 1, &full_range, &curves[GREEN], NULL },
308			[PRESET_HELIX] = { 1, &full_range, &curves[HELIX], NULL },
309			};
310
311			typedef struct PseudoColorContext {
312			const AVClass *class;
313			int preset;
314			float opacity;
315			int max;
316			int index;
317			int nb_planes;
318			int color;
319			int linesize[4];
320			int width[4], height[4];
321			double var_values[VAR_VARS_NB];
322			char *comp_expr_str[4];
323			AVExpr *comp_expr[4];
324			float lut[4][256*256];
325
326			void (*filter[4])(int max, int width, int height,
327			const uint8_t *index, const uint8_t *src,
328			uint8_t *dst,
329			ptrdiff_t ilinesize,
330			ptrdiff_t slinesize,
331			ptrdiff_t dlinesize,
332			float *lut,
333			float opacity);
334			} PseudoColorContext;
335
336			#define OFFSET(x) offsetof(PseudoColorContext, x)
337			#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
338
339			static const AVOption pseudocolor_options[] = {
340			{ "c0", "set component #0 expression", OFFSET(comp_expr_str[0]), AV_OPT_TYPE_STRING, {.str="val"}, .flags = FLAGS },
341			{ "c1", "set component #1 expression", OFFSET(comp_expr_str[1]), AV_OPT_TYPE_STRING, {.str="val"}, .flags = FLAGS },
342			{ "c2", "set component #2 expression", OFFSET(comp_expr_str[2]), AV_OPT_TYPE_STRING, {.str="val"}, .flags = FLAGS },
343			{ "c3", "set component #3 expression", OFFSET(comp_expr_str[3]), AV_OPT_TYPE_STRING, {.str="val"}, .flags = FLAGS },
344			{ "index", "set component as base", OFFSET(index), AV_OPT_TYPE_INT, {.i64=0}, 0, 3, .flags = FLAGS },
345			{ "i", "set component as base", OFFSET(index), AV_OPT_TYPE_INT, {.i64=0}, 0, 3, .flags = FLAGS },
346			{ "preset", "set preset", OFFSET(preset), AV_OPT_TYPE_INT, {.i64=-1},-1, NB_PRESETS-1, .flags = FLAGS, .unit = "preset" },
347			{ "p", "set preset", OFFSET(preset), AV_OPT_TYPE_INT, {.i64=-1},-1, NB_PRESETS-1, .flags = FLAGS, .unit = "preset" },
348			{ "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64=-1}, .flags = FLAGS, .unit = "preset" },
349			{ "magma", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_MAGMA}, .flags = FLAGS, .unit = "preset" },
350			{ "inferno", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_INFERNO}, .flags = FLAGS, .unit = "preset" },
351			{ "plasma", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_PLASMA}, .flags = FLAGS, .unit = "preset" },
352			{ "viridis", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_VIRIDIS}, .flags = FLAGS, .unit = "preset" },
353			{ "turbo", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_TURBO}, .flags = FLAGS, .unit = "preset" },
354			{ "cividis", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_CIVIDIS}, .flags = FLAGS, .unit = "preset" },
355			{ "range1", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_RANGE1}, .flags = FLAGS, .unit = "preset" },
356			{ "range2", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_RANGE2}, .flags = FLAGS, .unit = "preset" },
357			{ "shadows", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_SHADOWS}, .flags = FLAGS, .unit = "preset" },
358			{ "highlights", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_HIGHLIGHTS},.flags=FLAGS, .unit = "preset" },
359			{ "solar", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_SOLAR}, .flags=FLAGS, .unit = "preset" },
360			{ "nominal", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_NOMINAL}, .flags=FLAGS, .unit = "preset" },
361			{ "preferred", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_PREFERRED},.flags=FLAGS, .unit = "preset" },
362			{ "total", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_TOTAL}, .flags=FLAGS, .unit = "preset" },
363			{ "spectral", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_SPECTRAL},.flags = FLAGS, .unit = "preset" },
364			{ "cool", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_COOL}, .flags = FLAGS, .unit = "preset" },
365			{ "heat", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_HEAT}, .flags = FLAGS, .unit = "preset" },
366			{ "fiery", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_FIERY}, .flags = FLAGS, .unit = "preset" },
367			{ "blues", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_BLUES}, .flags = FLAGS, .unit = "preset" },
368			{ "green", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_GREEN}, .flags = FLAGS, .unit = "preset" },
369			{ "helix", NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_HELIX}, .flags = FLAGS, .unit = "preset" },
370			{ "opacity", "set pseudocolor opacity",OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=1}, 0, 1, .flags = FLAGS },
371			{ NULL }
372			};
373
374			static const enum AVPixelFormat pix_fmts[] = {
375			AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
376			AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P,
377			AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA422P,
378			AV_PIX_FMT_YUV444P, AV_PIX_FMT_GBRP,
379			AV_PIX_FMT_YUVA444P, AV_PIX_FMT_GBRAP,
380			AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUVA422P9,
381			AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUVA420P9,
382			AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUVA444P9,
383			AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUVA420P10,
384			AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUVA422P10,
385			AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUVA444P10,
386			AV_PIX_FMT_YUV420P12,
387			AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUVA422P12,
388			AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUVA444P12,
389			AV_PIX_FMT_YUV420P14,
390			AV_PIX_FMT_YUV422P14,
391			AV_PIX_FMT_YUV444P14,
392			AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUVA420P16,
393			AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUVA422P16,
394			AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUVA444P16,
395			AV_PIX_FMT_GBRP9,
396			AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10,
397			AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12,
398			AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRAP14,
399			AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16,
400			AV_PIX_FMT_NONE
401			};
402
403		✗	static inline float lerpf(float v0, float v1, float f)
404			{
405		✗	return v0 + (v1 - v0) * f;
406			}
407
408			#define PCLIP(v, max, dst, src, x) \
409			if (v >= 0 && v <= max) { \
410			dst[x] = lerpf(src[x], v, opacity);\
411			} else { \
412			dst[x] = src[x]; \
413			}
414
415		✗	static void pseudocolor_filter(int max, int width, int height,
416			const uint8_t *index,
417			const uint8_t *src,
418			uint8_t *dst,
419			ptrdiff_t ilinesize,
420			ptrdiff_t slinesize,
421			ptrdiff_t dlinesize,
422			float *lut,
423			float opacity)
424			{
425			int x, y;
426
427		✗	for (y = 0; y < height; y++) {
428		✗	for (x = 0; x < width; x++) {
429		✗	int v = lut[index[x]];
430
431		✗	PCLIP(v, max, dst, src, x);
432			}
433		✗	index += ilinesize;
434		✗	src += slinesize;
435		✗	dst += dlinesize;
436			}
437		✗	}
438
439		✗	static void pseudocolor_filter_11(int max, int width, int height,
440			const uint8_t *index,
441			const uint8_t *src,
442			uint8_t *dst,
443			ptrdiff_t ilinesize,
444			ptrdiff_t slinesize,
445			ptrdiff_t dlinesize,
446			float *lut,
447			float opacity)
448			{
449			int x, y;
450
451		✗	for (y = 0; y < height; y++) {
452		✗	for (x = 0; x < width; x++) {
453		✗	int v = lut[index[(y << 1) * ilinesize + (x << 1)]];
454
455		✗	PCLIP(v, max, dst, src, x);
456			}
457		✗	src += slinesize;
458		✗	dst += dlinesize;
459			}
460		✗	}
461
462		✗	static void pseudocolor_filter_11d(int max, int width, int height,
463			const uint8_t *index,
464			const uint8_t *src,
465			uint8_t *dst,
466			ptrdiff_t ilinesize,
467			ptrdiff_t slinesize,
468			ptrdiff_t dlinesize,
469			float *lut,
470			float opacity)
471			{
472			int x, y;
473
474		✗	for (y = 0; y < height; y++) {
475		✗	for (x = 0; x < width; x++) {
476		✗	int v = lut[index[(y >> 1) * ilinesize + (x >> 1)]];
477
478		✗	PCLIP(v, max, dst, src, x);
479			}
480		✗	src += slinesize;
481		✗	dst += dlinesize;
482			}
483		✗	}
484
485		✗	static void pseudocolor_filter_10(int max, int width, int height,
486			const uint8_t *index,
487			const uint8_t *src,
488			uint8_t *dst,
489			ptrdiff_t ilinesize,
490			ptrdiff_t slinesize,
491			ptrdiff_t dlinesize,
492			float *lut,
493			float opacity)
494			{
495			int x, y;
496
497		✗	for (y = 0; y < height; y++) {
498		✗	for (x = 0; x < width; x++) {
499		✗	int v = lut[index[x << 1]];
500
501		✗	PCLIP(v, max, dst, src, x);
502			}
503		✗	index += ilinesize;
504		✗	src += slinesize;
505		✗	dst += dlinesize;
506			}
507		✗	}
508
509		✗	static void pseudocolor_filter_10d(int max, int width, int height,
510			const uint8_t *index,
511			const uint8_t *src,
512			uint8_t *dst,
513			ptrdiff_t ilinesize,
514			ptrdiff_t slinesize,
515			ptrdiff_t dlinesize,
516			float *lut,
517			float opacity)
518			{
519			int x, y;
520
521		✗	for (y = 0; y < height; y++) {
522		✗	for (x = 0; x < width; x++) {
523		✗	int v = lut[index[x >> 1]];
524
525		✗	PCLIP(v, max, dst, src, x);
526			}
527		✗	index += ilinesize;
528		✗	src += slinesize;
529		✗	dst += dlinesize;
530			}
531		✗	}
532
533		✗	static void pseudocolor_filter_16(int max, int width, int height,
534			const uint8_t *iindex,
535			const uint8_t *ssrc,
536			uint8_t *ddst,
537			ptrdiff_t ilinesize,
538			ptrdiff_t slinesize,
539			ptrdiff_t dlinesize,
540			float *lut,
541			float opacity)
542			{
543		✗	const uint16_t *index = (const uint16_t *)iindex;
544		✗	const uint16_t *src = (const uint16_t *)ssrc;
545		✗	uint16_t *dst = (uint16_t *)ddst;
546			int x, y;
547
548		✗	for (y = 0; y < height; y++) {
549		✗	for (x = 0; x < width; x++) {
550		✗	int v = lut[index[x]];
551
552		✗	PCLIP(v, max, dst, src, x);
553			}
554		✗	index += ilinesize / 2;
555		✗	src += slinesize / 2;
556		✗	dst += dlinesize / 2;
557			}
558		✗	}
559
560		✗	static void pseudocolor_filter_16_10(int max, int width, int height,
561			const uint8_t *iindex,
562			const uint8_t *ssrc,
563			uint8_t *ddst,
564			ptrdiff_t ilinesize,
565			ptrdiff_t slinesize,
566			ptrdiff_t dlinesize,
567			float *lut,
568			float opacity)
569			{
570		✗	const uint16_t *index = (const uint16_t *)iindex;
571		✗	const uint16_t *src = (const uint16_t *)ssrc;
572		✗	uint16_t *dst = (uint16_t *)ddst;
573			int x, y;
574
575		✗	for (y = 0; y < height; y++) {
576		✗	for (x = 0; x < width; x++) {
577		✗	int v = lut[index[x << 1]];
578
579		✗	PCLIP(v, max, dst, src, x);
580			}
581		✗	index += ilinesize / 2;
582		✗	src += slinesize / 2;
583		✗	dst += dlinesize / 2;
584			}
585		✗	}
586
587		✗	static void pseudocolor_filter_16_10d(int max, int width, int height,
588			const uint8_t *iindex,
589			const uint8_t *ssrc,
590			uint8_t *ddst,
591			ptrdiff_t ilinesize,
592			ptrdiff_t slinesize,
593			ptrdiff_t dlinesize,
594			float *lut,
595			float opacity)
596			{
597		✗	const uint16_t *index = (const uint16_t *)iindex;
598		✗	const uint16_t *src = (const uint16_t *)ssrc;
599		✗	uint16_t *dst = (uint16_t *)ddst;
600			int x, y;
601
602		✗	for (y = 0; y < height; y++) {
603		✗	for (x = 0; x < width; x++) {
604		✗	int v = lut[index[x >> 1]];
605
606		✗	PCLIP(v, max, dst, src, x);
607			}
608		✗	index += ilinesize / 2;
609		✗	src += slinesize / 2;
610		✗	dst += dlinesize / 2;
611			}
612		✗	}
613
614		✗	static void pseudocolor_filter_16_11(int max, int width, int height,
615			const uint8_t *iindex,
616			const uint8_t *ssrc,
617			uint8_t *ddst,
618			ptrdiff_t ilinesize,
619			ptrdiff_t slinesize,
620			ptrdiff_t dlinesize,
621			float *lut,
622			float opacity)
623			{
624		✗	const uint16_t *index = (const uint16_t *)iindex;
625		✗	const uint16_t *src = (const uint16_t *)ssrc;
626		✗	uint16_t *dst = (uint16_t *)ddst;
627			int x, y;
628
629		✗	ilinesize /= 2;
630		✗	dlinesize /= 2;
631		✗	slinesize /= 2;
632
633		✗	for (y = 0; y < height; y++) {
634		✗	for (x = 0; x < width; x++) {
635		✗	int v = lut[index[(y << 1) * ilinesize + (x << 1)]];
636
637		✗	PCLIP(v, max, dst, src, x);
638			}
639		✗	src += slinesize;
640		✗	dst += dlinesize;
641			}
642		✗	}
643
644		✗	static void pseudocolor_filter_16_11d(int max, int width, int height,
645			const uint8_t *iindex,
646			const uint8_t *ssrc,
647			uint8_t *ddst,
648			ptrdiff_t ilinesize,
649			ptrdiff_t slinesize,
650			ptrdiff_t dlinesize,
651			float *lut,
652			float opacity)
653			{
654		✗	const uint16_t *index = (const uint16_t *)iindex;
655		✗	const uint16_t *src = (const uint16_t *)ssrc;
656		✗	uint16_t *dst = (uint16_t *)ddst;
657			int x, y;
658
659		✗	ilinesize /= 2;
660		✗	dlinesize /= 2;
661		✗	slinesize /= 2;
662
663		✗	for (y = 0; y < height; y++) {
664		✗	for (x = 0; x < width; x++) {
665		✗	int v = lut[index[(y >> 1) * ilinesize + (x >> 1)]];
666
667		✗	PCLIP(v, max, dst, src, x);
668			}
669		✗	src += slinesize;
670		✗	dst += dlinesize;
671			}
672		✗	}
673
674			#define RGB_TO_Y_BT709(r, g, b) \
675			((0.21260*219.0/255.0) * (r) + (0.71520*219.0/255.0) * (g) + \
676			(0.07220*219.0/255.0) * (b))
677
678			#define RGB_TO_U_BT709(r1, g1, b1, max) \
679			(-(0.11457*224.0/255.0) * r1 - (0.38543*224.0/255.0) * g1 + \
680			(0.50000*224.0/255.0) * b1 + max * 0.5)
681
682			#define RGB_TO_V_BT709(r1, g1, b1, max) \
683			((0.50000*224.0/255.0) * r1 - (0.45415*224.0/255.0) * g1 - \
684			(0.04585*224.0/255.0) * b1 + max * 0.5)
685
686			#define Wr 0.2126
687			#define Wb 0.0722
688			#define Wg (1 - Wr - Wb)
689			#define Umax 0.436
690			#define Vmax 0.615
691
692			#define YUV_BT709_TO_R(y, u, v, max) \
693			((y + v * (1 - Wr) / Vmax) * max)
694			#define YUV_BT709_TO_G(y, u, v, max) \
695			((y - (u * Wb * (1 - Wb) / (Umax * Wg)) - (v * Wr * (1 - Wr) / (Vmax * Wg))) * max)
696			#define YUV_BT709_TO_B(y, u, v, max) \
697			((y + u * (1 - Wb) / Umax) * max)
698
699		✗	static double poly_eval(const double *const poly, double x, curve_fun fun)
700			{
701		✗	double res = 0.;
702
703		✗	for (int i = 0; i < 8; i++) {
704		✗	res += pow(x, i) * poly[7-i];
705			}
706
707		✗	return fun(res);
708			}
709
710		✗	static int config_input(AVFilterLink *inlink)
711			{
712		✗	AVFilterContext *ctx = inlink->dst;
713		✗	PseudoColorContext *s = ctx->priv;
714		✗	const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
715			int depth, ret, hsub, vsub, color, rgb;
716
717		✗	rgb = desc->flags & AV_PIX_FMT_FLAG_RGB;
718		✗	depth = desc->comp[0].depth;
719		✗	s->max = (1 << depth) - 1;
720		✗	s->nb_planes = av_pix_fmt_count_planes(inlink->format);
721
722		✗	if (s->index >= s->nb_planes) {
723		✗	av_log(ctx, AV_LOG_ERROR, "index out of allowed range\n");
724		✗	return AVERROR(EINVAL);
725			}
726
727		✗	if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0)
728		✗	return ret;
729
730		✗	hsub = desc->log2_chroma_w;
731		✗	vsub = desc->log2_chroma_h;
732		✗	s->height[1] = s->height[2] = AV_CEIL_RSHIFT(inlink->h, vsub);
733		✗	s->height[0] = s->height[3] = inlink->h;
734		✗	s->width[1] = s->width[2] = AV_CEIL_RSHIFT(inlink->w, hsub);
735		✗	s->width[0] = s->width[3] = inlink->w;
736
737		✗	s->var_values[VAR_W] = inlink->w;
738		✗	s->var_values[VAR_H] = inlink->h;
739
740		✗	s->var_values[VAR_YMIN] = 16 * (1 << (depth - 8));
741		✗	s->var_values[VAR_UMIN] = 16 * (1 << (depth - 8));
742		✗	s->var_values[VAR_VMIN] = 16 * (1 << (depth - 8));
743		✗	s->var_values[VAR_AMIN] = 0;
744		✗	s->var_values[VAR_YMAX] = 235 * (1 << (depth - 8));
745		✗	s->var_values[VAR_UMAX] = 240 * (1 << (depth - 8));
746		✗	s->var_values[VAR_VMAX] = 240 * (1 << (depth - 8));
747		✗	s->var_values[VAR_AMAX] = s->max;
748
749		✗	for (color = 0; color < s->nb_planes && s->preset < 0; color++) {
750			double res;
751			int val;
752
753			/* create the parsed expression */
754		✗	av_expr_free(s->comp_expr[color]);
755		✗	s->comp_expr[color] = NULL;
756		✗	ret = av_expr_parse(&s->comp_expr[color], s->comp_expr_str[color],
757			var_names, NULL, NULL, NULL, NULL, 0, ctx);
758		✗	if (ret < 0) {
759		✗	av_log(ctx, AV_LOG_ERROR,
760			"Error when parsing the expression '%s' for the component %d and color %d.\n",
761			s->comp_expr_str[color], color, color);
762		✗	return AVERROR(EINVAL);
763			}
764
765			/* compute the lut */
766		✗	for (val = 0; val < FF_ARRAY_ELEMS(s->lut[color]); val++) {
767		✗	s->var_values[VAR_VAL] = val;
768
769		✗	res = av_expr_eval(s->comp_expr[color], s->var_values, s);
770		✗	if (isnan(res)) {
771		✗	av_log(ctx, AV_LOG_ERROR,
772			"Error when evaluating the expression '%s' for the value %d for the component %d.\n",
773			s->comp_expr_str[color], val, color);
774		✗	return AVERROR(EINVAL);
775			}
776		✗	s->lut[color][val] = res;
777			}
778			}
779
780		✗	if (s->preset >= 0) {
781		✗	int nb_segments = presets[s->preset].nb_segments;
782
783		✗	for (int seg = 0; seg < nb_segments; seg++) {
784		✗	AVRational rstart = presets[s->preset].ranges[seg].start;
785		✗	AVRational rend = presets[s->preset].ranges[seg].end;
786		✗	int start = av_rescale_rnd(s->max + 1, rstart.num, rstart.den, AV_ROUND_UP);
787		✗	int end = av_rescale_rnd(s->max + 1, rend.num, rend.den, AV_ROUND_UP);
788
789		✗	for (int i = start; i < end; i++) {
790		✗	if (!presets[s->preset].curves) {
791		✗	const Fill fill = presets[s->preset].fills[seg];
792			double r, g, b, a;
793
794		✗	g = fill.fill[1];
795		✗	b = fill.fill[2];
796		✗	r = fill.fill[0];
797		✗	a = fill.fill[3];
798
799		✗	if (g >= 0.f && b >= 0.f && r >= 0.f) {
800		✗	g *= s->max;
801		✗	b *= s->max;
802		✗	r *= s->max;
803
804		✗	if (!rgb) {
805		✗	double y = RGB_TO_Y_BT709(r, g, b);
806		✗	double u = RGB_TO_U_BT709(r, g, b, s->max);
807		✗	double v = RGB_TO_V_BT709(r, g, b, s->max);
808
809		✗	r = v;
810		✗	g = y;
811		✗	b = u;
812			}
813			}
814
815		✗	s->lut[0][i] = g;
816		✗	s->lut[1][i] = b;
817		✗	s->lut[2][i] = r;
818		✗	s->lut[3][i] = a * s->max;
819			} else {
820		✗	const Curve curve = presets[s->preset].curves[seg];
821		✗	const double lf = i / (double)s->max * 256.;
822			double r, g, b;
823
824		✗	g = poly_eval(curve.coef[1], lf + curve.offset[1], curve.fun[1]);
825		✗	b = poly_eval(curve.coef[2], lf + curve.offset[2], curve.fun[2]);
826		✗	r = poly_eval(curve.coef[0], lf + curve.offset[0], curve.fun[0]);
827
828		✗	if (!curve.yuv || !rgb) {
829		✗	g *= s->max;
830		✗	b *= s->max;
831		✗	r *= s->max;
832			}
833
834		✗	if (!rgb && !curve.yuv) {
835		✗	double y = RGB_TO_Y_BT709(r, g, b);
836		✗	double u = RGB_TO_U_BT709(r, g, b, s->max);
837		✗	double v = RGB_TO_V_BT709(r, g, b, s->max);
838
839		✗	r = v;
840		✗	g = y;
841		✗	b = u;
842		✗	} else if (rgb && curve.yuv) {
843		✗	double y = g;
844		✗	double u = b - 0.5;
845		✗	double v = r - 0.5;
846
847		✗	r = av_clipd(YUV_BT709_TO_R(y, u, v, s->max), 0, s->max);
848		✗	g = av_clipd(YUV_BT709_TO_G(y, u, v, s->max), 0, s->max);
849		✗	b = av_clipd(YUV_BT709_TO_B(y, u, v, s->max), 0, s->max);
850			}
851
852		✗	s->lut[0][i] = g;
853		✗	s->lut[1][i] = b;
854		✗	s->lut[2][i] = r;
855		✗	s->lut[3][i] = 1.f * s->max;
856			}
857			}
858			}
859			}
860
861		✗	switch (inlink->format) {
862		✗	case AV_PIX_FMT_YUV444P:
863			case AV_PIX_FMT_YUVA444P:
864			case AV_PIX_FMT_GBRP:
865			case AV_PIX_FMT_GBRAP:
866			case AV_PIX_FMT_GRAY8:
867		✗	s->filter[0] = s->filter[1] = s->filter[2] = s->filter[3] = pseudocolor_filter;
868		✗	break;
869		✗	case AV_PIX_FMT_YUV420P:
870			case AV_PIX_FMT_YUVA420P:
871		✗	switch (s->index) {
872		✗	case 0:
873			case 3:
874		✗	s->filter[0] = s->filter[3] = pseudocolor_filter;
875		✗	s->filter[1] = s->filter[2] = pseudocolor_filter_11;
876		✗	break;
877		✗	case 1:
878			case 2:
879		✗	s->filter[0] = s->filter[3] = pseudocolor_filter_11d;
880		✗	s->filter[1] = s->filter[2] = pseudocolor_filter;
881		✗	break;
882			}
883		✗	break;
884		✗	case AV_PIX_FMT_YUV422P:
885			case AV_PIX_FMT_YUVA422P:
886		✗	switch (s->index) {
887		✗	case 0:
888			case 3:
889		✗	s->filter[0] = s->filter[3] = pseudocolor_filter;
890		✗	s->filter[1] = s->filter[2] = pseudocolor_filter_10;
891		✗	break;
892		✗	case 1:
893			case 2:
894		✗	s->filter[0] = s->filter[3] = pseudocolor_filter_10d;
895		✗	s->filter[1] = s->filter[2] = pseudocolor_filter;
896		✗	break;
897			}
898		✗	break;
899		✗	case AV_PIX_FMT_YUV444P9:
900			case AV_PIX_FMT_YUVA444P9:
901			case AV_PIX_FMT_YUV444P10:
902			case AV_PIX_FMT_YUVA444P10:
903			case AV_PIX_FMT_YUV444P12:
904			case AV_PIX_FMT_YUVA444P12:
905			case AV_PIX_FMT_YUV444P14:
906			case AV_PIX_FMT_YUV444P16:
907			case AV_PIX_FMT_YUVA444P16:
908			case AV_PIX_FMT_GBRP9:
909			case AV_PIX_FMT_GBRP10:
910			case AV_PIX_FMT_GBRP12:
911			case AV_PIX_FMT_GBRP14:
912			case AV_PIX_FMT_GBRP16:
913			case AV_PIX_FMT_GBRAP10:
914			case AV_PIX_FMT_GBRAP12:
915			case AV_PIX_FMT_GBRAP14:
916			case AV_PIX_FMT_GBRAP16:
917			case AV_PIX_FMT_GRAY9:
918			case AV_PIX_FMT_GRAY10:
919			case AV_PIX_FMT_GRAY12:
920			case AV_PIX_FMT_GRAY14:
921			case AV_PIX_FMT_GRAY16:
922		✗	s->filter[0] = s->filter[1] = s->filter[2] = s->filter[3] = pseudocolor_filter_16;
923		✗	break;
924		✗	case AV_PIX_FMT_YUV422P9:
925			case AV_PIX_FMT_YUVA422P9:
926			case AV_PIX_FMT_YUV422P10:
927			case AV_PIX_FMT_YUVA422P10:
928			case AV_PIX_FMT_YUV422P12:
929			case AV_PIX_FMT_YUVA422P12:
930			case AV_PIX_FMT_YUV422P14:
931			case AV_PIX_FMT_YUV422P16:
932			case AV_PIX_FMT_YUVA422P16:
933		✗	switch (s->index) {
934		✗	case 0:
935			case 3:
936		✗	s->filter[0] = s->filter[3] = pseudocolor_filter_16;
937		✗	s->filter[1] = s->filter[2] = pseudocolor_filter_16_10;
938		✗	break;
939		✗	case 1:
940			case 2:
941		✗	s->filter[0] = s->filter[3] = pseudocolor_filter_16_10d;
942		✗	s->filter[1] = s->filter[2] = pseudocolor_filter_16;
943		✗	break;
944			}
945		✗	break;
946		✗	case AV_PIX_FMT_YUV420P9:
947			case AV_PIX_FMT_YUVA420P9:
948			case AV_PIX_FMT_YUV420P10:
949			case AV_PIX_FMT_YUVA420P10:
950			case AV_PIX_FMT_YUV420P12:
951			case AV_PIX_FMT_YUV420P14:
952			case AV_PIX_FMT_YUV420P16:
953			case AV_PIX_FMT_YUVA420P16:
954		✗	switch (s->index) {
955		✗	case 0:
956			case 3:
957		✗	s->filter[0] = s->filter[3] = pseudocolor_filter_16;
958		✗	s->filter[1] = s->filter[2] = pseudocolor_filter_16_11;
959		✗	break;
960		✗	case 1:
961			case 2:
962		✗	s->filter[0] = s->filter[3] = pseudocolor_filter_16_11d;
963		✗	s->filter[1] = s->filter[2] = pseudocolor_filter_16;
964		✗	break;
965			}
966		✗	break;
967			}
968
969		✗	return 0;
970			}
971
972			typedef struct ThreadData {
973			AVFrame *in, *out;
974			} ThreadData;
975
976		✗	static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
977			{
978		✗	PseudoColorContext *s = ctx->priv;
979		✗	ThreadData *td = arg;
980		✗	AVFrame *in = td->in;
981		✗	AVFrame *out = td->out;
982
983		✗	for (int plane = 0; plane < s->nb_planes; plane++) {
984		✗	const int slice_start = (s->height[plane] * jobnr) / nb_jobs;
985		✗	const int slice_end = (s->height[plane] * (jobnr+1)) / nb_jobs;
986		✗	const int islice_start = (s->height[s->index] * jobnr) / nb_jobs;
987		✗	ptrdiff_t ilinesize = in->linesize[s->index];
988		✗	ptrdiff_t slinesize = in->linesize[plane];
989		✗	ptrdiff_t dlinesize = out->linesize[plane];
990		✗	const uint8_t *index = in->data[s->index] + islice_start * ilinesize;
991		✗	const uint8_t *src = in->data[plane] + slice_start * slinesize;
992		✗	uint8_t *dst = out->data[plane] + slice_start * dlinesize;
993
994		✗	s->filter[plane](s->max, s->width[plane], slice_end - slice_start,
995			index, src, dst, ilinesize, slinesize,
996		✗	dlinesize, s->lut[plane], s->opacity);
997			}
998
999		✗	return 0;
1000			}
1001
1002		✗	static int filter_frame(AVFilterLink *inlink, AVFrame *in)
1003			{
1004		✗	AVFilterContext *ctx = inlink->dst;
1005		✗	PseudoColorContext *s = ctx->priv;
1006		✗	AVFilterLink *outlink = ctx->outputs[0];
1007			ThreadData td;
1008			AVFrame *out;
1009
1010		✗	out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
1011		✗	if (!out) {
1012		✗	av_frame_free(&in);
1013		✗	return AVERROR(ENOMEM);
1014			}
1015		✗	av_frame_copy_props(out, in);
1016
1017		✗	td.out = out, td.in = in;
1018		✗	ff_filter_execute(ctx, filter_slice, &td, NULL,
1019		✗	FFMIN(s->height[1], ff_filter_get_nb_threads(ctx)));
1020
1021		✗	av_frame_free(&in);
1022		✗	return ff_filter_frame(outlink, out);
1023			}
1024
1025		✗	static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
1026			char *res, int res_len, int flags)
1027			{
1028		✗	int ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
1029
1030		✗	if (ret < 0)
1031		✗	return ret;
1032
1033		✗	return config_input(ctx->inputs[0]);
1034			}
1035
1036			static const AVFilterPad inputs[] = {
1037			{
1038			.name = "default",
1039			.type = AVMEDIA_TYPE_VIDEO,
1040			.filter_frame = filter_frame,
1041			.config_props = config_input,
1042			},
1043			};
1044
1045		✗	static av_cold void uninit(AVFilterContext *ctx)
1046			{
1047		✗	PseudoColorContext *s = ctx->priv;
1048			int i;
1049
1050		✗	for (i = 0; i < 4; i++) {
1051		✗	av_expr_free(s->comp_expr[i]);
1052		✗	s->comp_expr[i] = NULL;
1053			}
1054		✗	}
1055
1056			AVFILTER_DEFINE_CLASS(pseudocolor);
1057
1058			const FFFilter ff_vf_pseudocolor = {
1059			.p.name = "pseudocolor",
1060			.p.description = NULL_IF_CONFIG_SMALL("Make pseudocolored video frames."),
1061			.p.priv_class = &pseudocolor_class,
1062			.p.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
1063			.priv_size = sizeof(PseudoColorContext),
1064			.uninit = uninit,
1065			FILTER_INPUTS(inputs),
1066			FILTER_OUTPUTS(ff_video_default_filterpad),
1067			FILTER_PIXFMTS_ARRAY(pix_fmts),
1068			.process_command = process_command,
1069			};
1070