FFmpeg coverage

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1			/*
2			* Copyright (c) 2016 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 "config_components.h"
22
23			#include "libavutil/attributes.h"
24			#include "libavutil/common.h"
25			#include "libavutil/eval.h"
26			#include "libavutil/mem.h"
27			#include "libavutil/opt.h"
28			#include "libavutil/pixdesc.h"
29			#include "avfilter.h"
30			#include "formats.h"
31			#include "internal.h"
32			#include "video.h"
33			#include "framesync.h"
34
35			static const char *const var_names[] = {
36			"w", ///< width of the input video
37			"h", ///< height of the input video
38			"x", ///< input value for the pixel from input #1
39			"y", ///< input value for the pixel from input #2
40			"bdx", ///< input #1 video bitdepth
41			"bdy", ///< input #2 video bitdepth
42			NULL
43			};
44
45			enum var_name {
46			VAR_W,
47			VAR_H,
48			VAR_X,
49			VAR_Y,
50			VAR_BITDEPTHX,
51			VAR_BITDEPTHY,
52			VAR_VARS_NB
53			};
54
55			typedef struct LUT2Context {
56			const AVClass *class;
57			FFFrameSync fs;
58
59			int odepth;
60			char *comp_expr_str[4];
61
62			AVExpr *comp_expr[4];
63			double var_values[VAR_VARS_NB];
64			uint16_t *lut[4]; ///< lookup table for each component
65			int width[4], height[4];
66			int widthx[4], heightx[4];
67			int widthy[4], heighty[4];
68			int nb_planesx;
69			int nb_planesy;
70			int nb_planes;
71			int depth, depthx, depthy;
72			int tlut2;
73			AVFrame *prev_frame; /* only used with tlut2 */
74
75			int (*lut2)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
76			} LUT2Context;
77
78			typedef struct ThreadData {
79			AVFrame *out, *srcx, *srcy;
80			} ThreadData;
81
82			#define OFFSET(x) offsetof(LUT2Context, x)
83			#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
84			#define TFLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
85
86			static const AVOption options[] = {
87			{ "c0", "set component #0 expression", OFFSET(comp_expr_str[0]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
88			{ "c1", "set component #1 expression", OFFSET(comp_expr_str[1]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
89			{ "c2", "set component #2 expression", OFFSET(comp_expr_str[2]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
90			{ "c3", "set component #3 expression", OFFSET(comp_expr_str[3]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
91			{ "d", "set output depth", OFFSET(odepth), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 16, .flags = FLAGS },
92			{ NULL }
93			};
94
95		✗	static av_cold void uninit(AVFilterContext *ctx)
96			{
97		✗	LUT2Context *s = ctx->priv;
98			int i;
99
100		✗	ff_framesync_uninit(&s->fs);
101		✗	av_frame_free(&s->prev_frame);
102
103		✗	for (i = 0; i < 4; i++) {
104		✗	av_expr_free(s->comp_expr[i]);
105		✗	s->comp_expr[i] = NULL;
106		✗	av_freep(&s->comp_expr_str[i]);
107		✗	av_freep(&s->lut[i]);
108			}
109		✗	}
110
111			#define BIT8_FMTS \
112			AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P, \
113			AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P, \
114			AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P, \
115			AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P, \
116			AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, \
117			AV_PIX_FMT_GRAY8, AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
118
119			#define BIT9_FMTS \
120			AV_PIX_FMT_GBRP9, AV_PIX_FMT_GRAY9, \
121			AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9, \
122			AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
123
124			#define BIT10_FMTS \
125			AV_PIX_FMT_GRAY10, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10, \
126			AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, \
127			AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
128
129			#define BIT12_FMTS \
130			AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12, \
131			AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12, \
132			AV_PIX_FMT_GRAY12, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRP12,
133
134			#define BIT14_FMTS \
135			AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14, \
136			AV_PIX_FMT_GRAY14, AV_PIX_FMT_GBRP14,
137
138			#define BIT16_FMTS \
139			AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, \
140			AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16, \
141			AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16, AV_PIX_FMT_GRAY16,
142
143		✗	static int query_formats(AVFilterContext *ctx)
144			{
145		✗	LUT2Context *s = ctx->priv;
146			static const enum AVPixelFormat all_pix_fmts[] = {
147			BIT8_FMTS
148			BIT9_FMTS
149			BIT10_FMTS
150			BIT12_FMTS
151			AV_PIX_FMT_NONE
152			};
153			static const enum AVPixelFormat bit8_pix_fmts[] = {
154			BIT8_FMTS
155			AV_PIX_FMT_NONE
156			};
157			static const enum AVPixelFormat bit9_pix_fmts[] = {
158			BIT9_FMTS
159			AV_PIX_FMT_NONE
160			};
161			static const enum AVPixelFormat bit10_pix_fmts[] = {
162			BIT10_FMTS
163			AV_PIX_FMT_NONE
164			};
165			static const enum AVPixelFormat bit12_pix_fmts[] = {
166			BIT12_FMTS
167			AV_PIX_FMT_NONE
168			};
169			static const enum AVPixelFormat bit14_pix_fmts[] = {
170			BIT14_FMTS
171			AV_PIX_FMT_NONE
172			};
173			static const enum AVPixelFormat bit16_pix_fmts[] = {
174			BIT16_FMTS
175			AV_PIX_FMT_NONE
176			};
177			const enum AVPixelFormat *pix_fmts;
178			int ret;
179
180		✗	if (s->tlut2 || !s->odepth)
181		✗	return ff_set_common_formats_from_list(ctx, all_pix_fmts);
182
183		✗	ret = ff_formats_ref(ff_make_format_list(all_pix_fmts), &ctx->inputs[0]->outcfg.formats);
184		✗	if (ret < 0)
185		✗	return ret;
186
187		✗	switch (s->odepth) {
188		✗	case 8: pix_fmts = bit8_pix_fmts; break;
189		✗	case 9: pix_fmts = bit9_pix_fmts; break;
190		✗	case 10: pix_fmts = bit10_pix_fmts; break;
191		✗	case 12: pix_fmts = bit12_pix_fmts; break;
192		✗	case 14: pix_fmts = bit14_pix_fmts; break;
193		✗	case 16: pix_fmts = bit16_pix_fmts; break;
194		✗	default: av_log(ctx, AV_LOG_ERROR, "Unsupported output bit depth %d.\n", s->odepth);
195		✗	return AVERROR(EINVAL);
196			}
197
198		✗	return ff_formats_ref(ff_make_format_list(pix_fmts), &ctx->outputs[0]->incfg.formats);
199			}
200
201		✗	static int config_inputx(AVFilterLink *inlink)
202			{
203		✗	AVFilterContext *ctx = inlink->dst;
204		✗	LUT2Context *s = ctx->priv;
205		✗	const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
206		✗	int hsub = desc->log2_chroma_w;
207		✗	int vsub = desc->log2_chroma_h;
208
209		✗	s->nb_planesx = av_pix_fmt_count_planes(inlink->format);
210		✗	s->heightx[1] = s->heightx[2] = AV_CEIL_RSHIFT(inlink->h, vsub);
211		✗	s->heightx[0] = s->heightx[3] = inlink->h;
212		✗	s->widthx[1] = s->widthx[2] = AV_CEIL_RSHIFT(inlink->w, hsub);
213		✗	s->widthx[0] = s->widthx[3] = inlink->w;
214
215		✗	s->var_values[VAR_W] = inlink->w;
216		✗	s->var_values[VAR_H] = inlink->h;
217		✗	s->depthx = desc->comp[0].depth;
218		✗	s->var_values[VAR_BITDEPTHX] = s->depthx;
219
220		✗	if (s->tlut2) {
221		✗	s->depthy = desc->comp[0].depth;
222		✗	s->var_values[VAR_BITDEPTHY] = s->depthy;
223			}
224
225		✗	return 0;
226			}
227
228		✗	static int config_inputy(AVFilterLink *inlink)
229			{
230		✗	AVFilterContext *ctx = inlink->dst;
231		✗	LUT2Context *s = ctx->priv;
232		✗	const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
233		✗	int hsub = desc->log2_chroma_w;
234		✗	int vsub = desc->log2_chroma_h;
235
236		✗	s->nb_planesy = av_pix_fmt_count_planes(inlink->format);
237		✗	s->depthy = desc->comp[0].depth;
238		✗	s->var_values[VAR_BITDEPTHY] = s->depthy;
239		✗	s->heighty[1] = s->heighty[2] = AV_CEIL_RSHIFT(inlink->h, vsub);
240		✗	s->heighty[0] = s->heighty[3] = inlink->h;
241		✗	s->widthy[1] = s->widthy[2] = AV_CEIL_RSHIFT(inlink->w, hsub);
242		✗	s->widthy[0] = s->widthy[3] = inlink->w;
243
244		✗	return 0;
245			}
246
247			#define DEFINE_LUT2(zname, xname, yname, ztype, xtype, ytype, zdiv, xdiv, ydiv) \
248			static int lut2_##zname##_##xname##_##yname(AVFilterContext *ctx, \
249			void *arg, \
250			int jobnr, int nb_jobs) \
251			{ \
252			LUT2Context *s = ctx->priv; \
253			ThreadData *td = arg; \
254			AVFrame *out = td->out; \
255			AVFrame *srcx = td->srcx; \
256			AVFrame *srcy = td->srcy; \
257			const int odepth = s->odepth; \
258			int p, y, x; \
259			\
260			for (p = 0; p < s->nb_planes; p++) { \
261			const int slice_start = (s->heightx[p] * jobnr) / nb_jobs; \
262			const int slice_end = (s->heightx[p] * (jobnr+1)) / nb_jobs; \
263			const uint16_t *lut = s->lut[p]; \
264			const xtype *srcxx; \
265			const ytype *srcyy; \
266			ztype *dst; \
267			\
268			dst = (ztype *)(out->data[p] + slice_start * out->linesize[p]); \
269			srcxx = (const xtype *)(srcx->data[p] + slice_start * srcx->linesize[p]);\
270			srcyy = (const ytype *)(srcy->data[p] + slice_start * srcy->linesize[p]);\
271			\
272			for (y = slice_start; y < slice_end; y++) { \
273			for (x = 0; x < s->widthx[p]; x++) { \
274			dst[x] = av_clip_uintp2_c(lut[(srcyy[x] << s->depthx) | srcxx[x]], odepth); \
275			} \
276			\
277			dst += out->linesize[p] / zdiv; \
278			srcxx += srcx->linesize[p] / xdiv; \
279			srcyy += srcy->linesize[p] / ydiv; \
280			} \
281			} \
282			return 0; \
283			}
284
285		✗	DEFINE_LUT2(8, 8, 8, uint8_t, uint8_t, uint8_t, 1, 1, 1)
286		✗	DEFINE_LUT2(8, 8, 16, uint8_t, uint8_t, uint16_t, 1, 1, 2)
287		✗	DEFINE_LUT2(8, 16, 8, uint8_t, uint16_t, uint8_t, 1, 2, 1)
288		✗	DEFINE_LUT2(8, 16, 16, uint8_t, uint16_t, uint16_t, 1, 2, 2)
289		✗	DEFINE_LUT2(16, 8, 8, uint16_t, uint8_t, uint8_t, 2, 1, 1)
290		✗	DEFINE_LUT2(16, 8, 16, uint16_t, uint8_t, uint16_t, 2, 1, 2)
291		✗	DEFINE_LUT2(16, 16, 8, uint16_t, uint16_t, uint8_t, 2, 2, 1)
292		✗	DEFINE_LUT2(16, 16, 16, uint16_t, uint16_t, uint16_t, 2, 2, 2)
293
294		✗	static int process_frame(FFFrameSync *fs)
295			{
296		✗	AVFilterContext *ctx = fs->parent;
297		✗	LUT2Context *s = fs->opaque;
298		✗	AVFilterLink *outlink = ctx->outputs[0];
299		✗	AVFrame *out, *srcx = NULL, *srcy = NULL;
300			int ret;
301
302		✗	if ((ret = ff_framesync_get_frame(&s->fs, 0, &srcx, 0)) < 0 ||
303		✗	(ret = ff_framesync_get_frame(&s->fs, 1, &srcy, 0)) < 0)
304		✗	return ret;
305
306		✗	if (ctx->is_disabled || !srcy) {
307		✗	out = av_frame_clone(srcx);
308		✗	if (!out)
309		✗	return AVERROR(ENOMEM);
310			} else {
311			ThreadData td;
312
313		✗	out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
314		✗	if (!out)
315		✗	return AVERROR(ENOMEM);
316		✗	av_frame_copy_props(out, srcx);
317
318		✗	td.out = out;
319		✗	td.srcx = srcx;
320		✗	td.srcy = srcy;
321		✗	ff_filter_execute(ctx, s->lut2, &td, NULL,
322		✗	FFMIN(s->heightx[1], ff_filter_get_nb_threads(ctx)));
323			}
324
325		✗	out->pts = av_rescale_q(s->fs.pts, s->fs.time_base, outlink->time_base);
326
327		✗	return ff_filter_frame(outlink, out);
328			}
329
330		✗	static int config_output(AVFilterLink *outlink)
331			{
332		✗	AVFilterContext *ctx = outlink->src;
333		✗	LUT2Context *s = ctx->priv;
334			int p, ret;
335
336		✗	s->depth = s->depthx + s->depthy;
337		✗	s->nb_planes = s->nb_planesx;
338
339		✗	s->lut2 = s->depth > 16 ? lut2_16_16_16 : lut2_8_8_8;
340		✗	if (s->odepth) {
341		✗	if (s->depthx == 8 && s->depthy == 8 && s->odepth > 8)
342		✗	s->lut2 = lut2_16_8_8;
343		✗	if (s->depthx > 8 && s->depthy == 8 && s->odepth > 8)
344		✗	s->lut2 = lut2_16_16_8;
345		✗	if (s->depthx == 8 && s->depthy > 8 && s->odepth > 8)
346		✗	s->lut2 = lut2_16_8_16;
347		✗	if (s->depthx == 8 && s->depthy == 8 && s->odepth == 8)
348		✗	s->lut2 = lut2_8_8_8;
349		✗	if (s->depthx > 8 && s->depthy == 8 && s->odepth == 8)
350		✗	s->lut2 = lut2_8_16_8;
351		✗	if (s->depthx == 8 && s->depthy > 8 && s->odepth == 8)
352		✗	s->lut2 = lut2_8_8_16;
353		✗	if (s->depthx > 8 && s->depthy > 8 && s->odepth == 8)
354		✗	s->lut2 = lut2_8_16_16;
355			} else {
356		✗	s->odepth = s->depthx;
357			}
358
359		✗	for (p = 0; p < s->nb_planes; p++) {
360		✗	if (!s->lut[p])
361		✗	s->lut[p] = av_malloc_array(1 << s->depth, sizeof(uint16_t));
362		✗	if (!s->lut[p])
363		✗	return AVERROR(ENOMEM);
364			}
365
366		✗	for (p = 0; p < s->nb_planes; p++) {
367			double res;
368			int x, y;
369
370			/* create the parsed expression */
371		✗	av_expr_free(s->comp_expr[p]);
372		✗	s->comp_expr[p] = NULL;
373		✗	ret = av_expr_parse(&s->comp_expr[p], s->comp_expr_str[p],
374			var_names, NULL, NULL, NULL, NULL, 0, ctx);
375		✗	if (ret < 0) {
376		✗	av_log(ctx, AV_LOG_ERROR,
377			"Error when parsing the expression '%s' for the component %d.\n",
378			s->comp_expr_str[p], p);
379		✗	return AVERROR(EINVAL);
380			}
381
382			/* compute the lut */
383		✗	for (y = 0; y < (1 << s->depthy); y++) {
384		✗	s->var_values[VAR_Y] = y;
385		✗	for (x = 0; x < (1 << s->depthx); x++) {
386		✗	s->var_values[VAR_X] = x;
387		✗	res = av_expr_eval(s->comp_expr[p], s->var_values, s);
388		✗	if (isnan(res)) {
389		✗	av_log(ctx, AV_LOG_ERROR,
390			"Error when evaluating the expression '%s' for the values %d and %d for the component %d.\n",
391			s->comp_expr_str[p], x, y, p);
392		✗	return AVERROR(EINVAL);
393			}
394
395		✗	s->lut[p][(y << s->depthx) + x] = res;
396			}
397			}
398			}
399
400		✗	return 0;
401			}
402
403		✗	static int lut2_config_output(AVFilterLink *outlink)
404			{
405		✗	AVFilterContext *ctx = outlink->src;
406		✗	LUT2Context *s = ctx->priv;
407		✗	AVFilterLink *srcx = ctx->inputs[0];
408		✗	AVFilterLink *srcy = ctx->inputs[1];
409			FFFrameSyncIn *in;
410		✗	const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
411		✗	int hsub = desc->log2_chroma_w;
412		✗	int vsub = desc->log2_chroma_h;
413			int ret;
414
415		✗	outlink->w = srcx->w;
416		✗	outlink->h = srcx->h;
417		✗	outlink->time_base = srcx->time_base;
418		✗	outlink->sample_aspect_ratio = srcx->sample_aspect_ratio;
419		✗	outlink->frame_rate = srcx->frame_rate;
420
421		✗	s->nb_planes = av_pix_fmt_count_planes(outlink->format);
422		✗	s->height[1] = s->height[2] = AV_CEIL_RSHIFT(outlink->h, vsub);
423		✗	s->height[0] = s->height[3] = outlink->h;
424		✗	s->width[1] = s->width[2] = AV_CEIL_RSHIFT(outlink->w, hsub);
425		✗	s->width[0] = s->width[3] = outlink->w;
426
427		✗	if (!s->odepth && srcx->format != srcy->format) {
428		✗	av_log(ctx, AV_LOG_ERROR, "inputs must be of same pixel format\n");
429		✗	return AVERROR(EINVAL);
430			}
431
432		✗	if (srcx->w != srcy->w || srcx->h != srcy->h) {
433		✗	av_log(ctx, AV_LOG_ERROR, "First input link %s parameters "
434			"(size %dx%d) do not match the corresponding "
435			"second input link %s parameters (size %dx%d)\n",
436		✗	ctx->input_pads[0].name, srcx->w, srcx->h,
437		✗	ctx->input_pads[1].name,
438			srcy->w, srcy->h);
439		✗	return AVERROR(EINVAL);
440			}
441
442		✗	if (s->nb_planesx != s->nb_planesy) {
443		✗	av_log(ctx, AV_LOG_ERROR, "First input link %s number of planes "
444			"(%d) do not match the corresponding "
445			"second input link %s number of planes (%d)\n",
446		✗	ctx->input_pads[0].name, s->nb_planesx,
447		✗	ctx->input_pads[1].name, s->nb_planesy);
448		✗	return AVERROR(EINVAL);
449			}
450
451		✗	if (s->nb_planesx != s->nb_planes) {
452		✗	av_log(ctx, AV_LOG_ERROR, "First input link %s number of planes "
453			"(%d) do not match the corresponding "
454			"output link %s number of planes (%d)\n",
455		✗	ctx->input_pads[0].name, s->nb_planesx,
456		✗	ctx->output_pads[0].name, s->nb_planes);
457		✗	return AVERROR(EINVAL);
458			}
459
460		✗	if (s->widthx[1] != s->widthy[1] || s->heightx[1] != s->heighty[1]) {
461		✗	av_log(ctx, AV_LOG_ERROR, "First input link %s 2nd plane "
462			"(size %dx%d) do not match the corresponding "
463			"second input link %s 2nd plane (size %dx%d)\n",
464		✗	ctx->input_pads[0].name, s->widthx[1], s->heightx[1],
465		✗	ctx->input_pads[1].name,
466			s->widthy[1], s->heighty[1]);
467		✗	return AVERROR(EINVAL);
468			}
469
470		✗	if (s->widthx[2] != s->widthy[2] || s->heightx[2] != s->heighty[2]) {
471		✗	av_log(ctx, AV_LOG_ERROR, "First input link %s 3rd plane "
472			"(size %dx%d) do not match the corresponding "
473			"second input link %s 3rd plane (size %dx%d)\n",
474		✗	ctx->input_pads[0].name, s->widthx[2], s->heightx[2],
475		✗	ctx->input_pads[1].name,
476			s->widthy[2], s->heighty[2]);
477		✗	return AVERROR(EINVAL);
478			}
479
480		✗	if (s->widthx[1] != s->width[1] || s->heightx[1] != s->height[1]) {
481		✗	av_log(ctx, AV_LOG_ERROR, "First input link %s 2nd plane "
482			"(size %dx%d) do not match the corresponding "
483			"output link %s 2nd plane (size %dx%d)\n",
484		✗	ctx->input_pads[0].name, s->widthx[1], s->heightx[1],
485		✗	ctx->output_pads[0].name, s->width[1], s->height[1]);
486		✗	return AVERROR(EINVAL);
487			}
488
489		✗	if (s->widthx[2] != s->width[2] || s->heightx[2] != s->height[2]) {
490		✗	av_log(ctx, AV_LOG_ERROR, "First input link %s 3rd plane "
491			"(size %dx%d) do not match the corresponding "
492			"output link %s 3rd plane (size %dx%d)\n",
493		✗	ctx->input_pads[0].name, s->widthx[2], s->heightx[2],
494		✗	ctx->output_pads[0].name, s->width[2], s->height[2]);
495		✗	return AVERROR(EINVAL);
496			}
497
498		✗	if ((ret = ff_framesync_init(&s->fs, ctx, 2)) < 0)
499		✗	return ret;
500
501		✗	in = s->fs.in;
502		✗	in[0].time_base = srcx->time_base;
503		✗	in[1].time_base = srcy->time_base;
504		✗	in[0].sync = 2;
505		✗	in[0].before = EXT_STOP;
506		✗	in[0].after = EXT_INFINITY;
507		✗	in[1].sync = 1;
508		✗	in[1].before = EXT_STOP;
509		✗	in[1].after = EXT_INFINITY;
510		✗	s->fs.opaque = s;
511		✗	s->fs.on_event = process_frame;
512
513		✗	if ((ret = config_output(outlink)) < 0)
514		✗	return ret;
515
516		✗	ret = ff_framesync_configure(&s->fs);
517		✗	outlink->time_base = s->fs.time_base;
518
519		✗	return ret;
520			}
521
522		✗	static int activate(AVFilterContext *ctx)
523			{
524		✗	LUT2Context *s = ctx->priv;
525		✗	return ff_framesync_activate(&s->fs);
526			}
527
528			static const AVFilterPad inputs[] = {
529			{
530			.name = "srcx",
531			.type = AVMEDIA_TYPE_VIDEO,
532			.config_props = config_inputx,
533			},
534			{
535			.name = "srcy",
536			.type = AVMEDIA_TYPE_VIDEO,
537			.config_props = config_inputy,
538			},
539			};
540
541			static const AVFilterPad outputs[] = {
542			{
543			.name = "default",
544			.type = AVMEDIA_TYPE_VIDEO,
545			.config_props = lut2_config_output,
546			},
547			};
548
549		✗	static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
550			char *res, int res_len, int flags)
551			{
552		✗	int ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
553
554		✗	if (ret < 0)
555		✗	return ret;
556
557		✗	return config_output(ctx->outputs[0]);
558			}
559
560			#define lut2_options options
561
562		✗	FRAMESYNC_DEFINE_CLASS(lut2, LUT2Context, fs);
563
564			const AVFilter ff_vf_lut2 = {
565			.name = "lut2",
566			.description = NULL_IF_CONFIG_SMALL("Compute and apply a lookup table from two video inputs."),
567			.preinit = lut2_framesync_preinit,
568			.priv_size = sizeof(LUT2Context),
569			.priv_class = &lut2_class,
570			.uninit = uninit,
571			.activate = activate,
572			FILTER_INPUTS(inputs),
573			FILTER_OUTPUTS(outputs),
574			FILTER_QUERY_FUNC(query_formats),
575			.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
576			AVFILTER_FLAG_SLICE_THREADS,
577			.process_command = process_command,
578			};
579
580			#if CONFIG_TLUT2_FILTER
581
582		✗	static av_cold int init(AVFilterContext *ctx)
583			{
584		✗	LUT2Context *s = ctx->priv;
585
586		✗	s->tlut2 = !strcmp(ctx->filter->name, "tlut2");
587
588		✗	return 0;
589			}
590
591		✗	static int tlut2_filter_frame(AVFilterLink *inlink, AVFrame *frame)
592			{
593		✗	AVFilterContext *ctx = inlink->dst;
594		✗	LUT2Context *s = ctx->priv;
595		✗	AVFilterLink *outlink = ctx->outputs[0];
596
597		✗	if (s->prev_frame) {
598			AVFrame *out;
599
600		✗	if (ctx->is_disabled) {
601		✗	out = av_frame_clone(frame);
602			} else {
603			ThreadData td;
604
605		✗	out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
606		✗	if (!out) {
607		✗	av_frame_free(&s->prev_frame);
608		✗	s->prev_frame = frame;
609		✗	return AVERROR(ENOMEM);
610			}
611
612		✗	av_frame_copy_props(out, frame);
613
614		✗	td.out = out;
615		✗	td.srcx = frame;
616		✗	td.srcy = s->prev_frame;
617		✗	ff_filter_execute(ctx, s->lut2, &td, NULL,
618		✗	FFMIN(s->heightx[1], ff_filter_get_nb_threads(ctx)));
619			}
620		✗	av_frame_free(&s->prev_frame);
621		✗	s->prev_frame = frame;
622		✗	return ff_filter_frame(outlink, out);
623			}
624		✗	s->prev_frame = frame;
625		✗	return 0;
626			}
627
628			static const AVOption tlut2_options[] = {
629			{ "c0", "set component #0 expression", OFFSET(comp_expr_str[0]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
630			{ "c1", "set component #1 expression", OFFSET(comp_expr_str[1]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
631			{ "c2", "set component #2 expression", OFFSET(comp_expr_str[2]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
632			{ "c3", "set component #3 expression", OFFSET(comp_expr_str[3]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
633			{ NULL }
634			};
635
636			AVFILTER_DEFINE_CLASS(tlut2);
637
638			static const AVFilterPad tlut2_inputs[] = {
639			{
640			.name = "default",
641			.type = AVMEDIA_TYPE_VIDEO,
642			.filter_frame = tlut2_filter_frame,
643			.config_props = config_inputx,
644			},
645			};
646
647			static const AVFilterPad tlut2_outputs[] = {
648			{
649			.name = "default",
650			.type = AVMEDIA_TYPE_VIDEO,
651			.config_props = config_output,
652			},
653			};
654
655			const AVFilter ff_vf_tlut2 = {
656			.name = "tlut2",
657			.description = NULL_IF_CONFIG_SMALL("Compute and apply a lookup table from two successive frames."),
658			.priv_size = sizeof(LUT2Context),
659			.priv_class = &tlut2_class,
660			.init = init,
661			.uninit = uninit,
662			FILTER_INPUTS(tlut2_inputs),
663			FILTER_OUTPUTS(tlut2_outputs),
664			FILTER_QUERY_FUNC(query_formats),
665			.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
666			AVFILTER_FLAG_SLICE_THREADS,
667			.process_command = process_command,
668			};
669
670			#endif
671