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 "filters.h"
31			#include "formats.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(const AVFilterContext *ctx,
144			AVFilterFormatsConfig **cfg_in,
145			AVFilterFormatsConfig **cfg_out)
146			{
147		✗	const LUT2Context *s = ctx->priv;
148			static const enum AVPixelFormat all_pix_fmts[] = {
149			BIT8_FMTS
150			BIT9_FMTS
151			BIT10_FMTS
152			BIT12_FMTS
153			AV_PIX_FMT_NONE
154			};
155			static const enum AVPixelFormat bit8_pix_fmts[] = {
156			BIT8_FMTS
157			AV_PIX_FMT_NONE
158			};
159			static const enum AVPixelFormat bit9_pix_fmts[] = {
160			BIT9_FMTS
161			AV_PIX_FMT_NONE
162			};
163			static const enum AVPixelFormat bit10_pix_fmts[] = {
164			BIT10_FMTS
165			AV_PIX_FMT_NONE
166			};
167			static const enum AVPixelFormat bit12_pix_fmts[] = {
168			BIT12_FMTS
169			AV_PIX_FMT_NONE
170			};
171			static const enum AVPixelFormat bit14_pix_fmts[] = {
172			BIT14_FMTS
173			AV_PIX_FMT_NONE
174			};
175			static const enum AVPixelFormat bit16_pix_fmts[] = {
176			BIT16_FMTS
177			AV_PIX_FMT_NONE
178			};
179			const enum AVPixelFormat *pix_fmts;
180			int ret;
181
182		✗	if (s->tlut2 || !s->odepth)
183		✗	return ff_set_common_formats_from_list2(ctx, cfg_in, cfg_out, all_pix_fmts);
184
185		✗	ret = ff_formats_ref(ff_make_format_list(all_pix_fmts), &cfg_in[0]->formats);
186		✗	if (ret < 0)
187		✗	return ret;
188
189		✗	switch (s->odepth) {
190		✗	case 8: pix_fmts = bit8_pix_fmts; break;
191		✗	case 9: pix_fmts = bit9_pix_fmts; break;
192		✗	case 10: pix_fmts = bit10_pix_fmts; break;
193		✗	case 12: pix_fmts = bit12_pix_fmts; break;
194		✗	case 14: pix_fmts = bit14_pix_fmts; break;
195		✗	case 16: pix_fmts = bit16_pix_fmts; break;
196		✗	default: av_assert0(0);
197			}
198
199		✗	return ff_formats_ref(ff_make_format_list(pix_fmts), &cfg_out[0]->formats);
200			}
201
202		✗	static int config_inputx(AVFilterLink *inlink)
203			{
204		✗	AVFilterContext *ctx = inlink->dst;
205		✗	LUT2Context *s = ctx->priv;
206		✗	const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
207		✗	int hsub = desc->log2_chroma_w;
208		✗	int vsub = desc->log2_chroma_h;
209
210		✗	s->nb_planesx = av_pix_fmt_count_planes(inlink->format);
211		✗	s->heightx[1] = s->heightx[2] = AV_CEIL_RSHIFT(inlink->h, vsub);
212		✗	s->heightx[0] = s->heightx[3] = inlink->h;
213		✗	s->widthx[1] = s->widthx[2] = AV_CEIL_RSHIFT(inlink->w, hsub);
214		✗	s->widthx[0] = s->widthx[3] = inlink->w;
215
216		✗	s->var_values[VAR_W] = inlink->w;
217		✗	s->var_values[VAR_H] = inlink->h;
218		✗	s->depthx = desc->comp[0].depth;
219		✗	s->var_values[VAR_BITDEPTHX] = s->depthx;
220
221		✗	if (s->tlut2) {
222		✗	s->depthy = desc->comp[0].depth;
223		✗	s->var_values[VAR_BITDEPTHY] = s->depthy;
224			}
225
226		✗	return 0;
227			}
228
229		✗	static int config_inputy(AVFilterLink *inlink)
230			{
231		✗	AVFilterContext *ctx = inlink->dst;
232		✗	LUT2Context *s = ctx->priv;
233		✗	const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
234		✗	int hsub = desc->log2_chroma_w;
235		✗	int vsub = desc->log2_chroma_h;
236
237		✗	s->nb_planesy = av_pix_fmt_count_planes(inlink->format);
238		✗	s->depthy = desc->comp[0].depth;
239		✗	s->var_values[VAR_BITDEPTHY] = s->depthy;
240		✗	s->heighty[1] = s->heighty[2] = AV_CEIL_RSHIFT(inlink->h, vsub);
241		✗	s->heighty[0] = s->heighty[3] = inlink->h;
242		✗	s->widthy[1] = s->widthy[2] = AV_CEIL_RSHIFT(inlink->w, hsub);
243		✗	s->widthy[0] = s->widthy[3] = inlink->w;
244
245		✗	return 0;
246			}
247
248			#define DEFINE_LUT2(zname, xname, yname, ztype, xtype, ytype, zdiv, xdiv, ydiv) \
249			static int lut2_##zname##_##xname##_##yname(AVFilterContext *ctx, \
250			void *arg, \
251			int jobnr, int nb_jobs) \
252			{ \
253			LUT2Context *s = ctx->priv; \
254			ThreadData *td = arg; \
255			AVFrame *out = td->out; \
256			AVFrame *srcx = td->srcx; \
257			AVFrame *srcy = td->srcy; \
258			const int odepth = s->odepth; \
259			int p, y, x; \
260			\
261			for (p = 0; p < s->nb_planes; p++) { \
262			const int slice_start = (s->heightx[p] * jobnr) / nb_jobs; \
263			const int slice_end = (s->heightx[p] * (jobnr+1)) / nb_jobs; \
264			const uint16_t *lut = s->lut[p]; \
265			const xtype *srcxx; \
266			const ytype *srcyy; \
267			ztype *dst; \
268			\
269			dst = (ztype *)(out->data[p] + slice_start * out->linesize[p]); \
270			srcxx = (const xtype *)(srcx->data[p] + slice_start * srcx->linesize[p]);\
271			srcyy = (const ytype *)(srcy->data[p] + slice_start * srcy->linesize[p]);\
272			\
273			for (y = slice_start; y < slice_end; y++) { \
274			for (x = 0; x < s->widthx[p]; x++) { \
275			dst[x] = av_clip_uintp2_c(lut[(srcyy[x] << s->depthx) | srcxx[x]], odepth); \
276			} \
277			\
278			dst += out->linesize[p] / zdiv; \
279			srcxx += srcx->linesize[p] / xdiv; \
280			srcyy += srcy->linesize[p] / ydiv; \
281			} \
282			} \
283			return 0; \
284			}
285
286		✗	DEFINE_LUT2(8, 8, 8, uint8_t, uint8_t, uint8_t, 1, 1, 1)
287		✗	DEFINE_LUT2(8, 8, 16, uint8_t, uint8_t, uint16_t, 1, 1, 2)
288		✗	DEFINE_LUT2(8, 16, 8, uint8_t, uint16_t, uint8_t, 1, 2, 1)
289		✗	DEFINE_LUT2(8, 16, 16, uint8_t, uint16_t, uint16_t, 1, 2, 2)
290		✗	DEFINE_LUT2(16, 8, 8, uint16_t, uint8_t, uint8_t, 2, 1, 1)
291		✗	DEFINE_LUT2(16, 8, 16, uint16_t, uint8_t, uint16_t, 2, 1, 2)
292		✗	DEFINE_LUT2(16, 16, 8, uint16_t, uint16_t, uint8_t, 2, 2, 1)
293		✗	DEFINE_LUT2(16, 16, 16, uint16_t, uint16_t, uint16_t, 2, 2, 2)
294
295		✗	static int process_frame(FFFrameSync *fs)
296			{
297		✗	AVFilterContext *ctx = fs->parent;
298		✗	LUT2Context *s = fs->opaque;
299		✗	AVFilterLink *outlink = ctx->outputs[0];
300		✗	AVFrame *out, *srcx = NULL, *srcy = NULL;
301			int ret;
302
303		✗	if ((ret = ff_framesync_get_frame(&s->fs, 0, &srcx, 0)) < 0 ||
304		✗	(ret = ff_framesync_get_frame(&s->fs, 1, &srcy, 0)) < 0)
305		✗	return ret;
306
307		✗	if (ctx->is_disabled || !srcy) {
308		✗	out = av_frame_clone(srcx);
309		✗	if (!out)
310		✗	return AVERROR(ENOMEM);
311			} else {
312			ThreadData td;
313
314		✗	out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
315		✗	if (!out)
316		✗	return AVERROR(ENOMEM);
317		✗	av_frame_copy_props(out, srcx);
318
319		✗	td.out = out;
320		✗	td.srcx = srcx;
321		✗	td.srcy = srcy;
322		✗	ff_filter_execute(ctx, s->lut2, &td, NULL,
323		✗	FFMIN(s->heightx[1], ff_filter_get_nb_threads(ctx)));
324			}
325
326		✗	out->pts = av_rescale_q(s->fs.pts, s->fs.time_base, outlink->time_base);
327
328		✗	return ff_filter_frame(outlink, out);
329			}
330
331		✗	static int config_output(AVFilterLink *outlink)
332			{
333		✗	AVFilterContext *ctx = outlink->src;
334		✗	LUT2Context *s = ctx->priv;
335			int p, ret;
336
337		✗	s->depth = s->depthx + s->depthy;
338		✗	s->nb_planes = s->nb_planesx;
339
340		✗	s->lut2 = s->depth > 16 ? lut2_16_16_16 : lut2_8_8_8;
341		✗	if (s->odepth) {
342		✗	if (s->depthx == 8 && s->depthy == 8 && s->odepth > 8)
343		✗	s->lut2 = lut2_16_8_8;
344		✗	if (s->depthx > 8 && s->depthy == 8 && s->odepth > 8)
345		✗	s->lut2 = lut2_16_16_8;
346		✗	if (s->depthx == 8 && s->depthy > 8 && s->odepth > 8)
347		✗	s->lut2 = lut2_16_8_16;
348		✗	if (s->depthx == 8 && s->depthy == 8 && s->odepth == 8)
349		✗	s->lut2 = lut2_8_8_8;
350		✗	if (s->depthx > 8 && s->depthy == 8 && s->odepth == 8)
351		✗	s->lut2 = lut2_8_16_8;
352		✗	if (s->depthx == 8 && s->depthy > 8 && s->odepth == 8)
353		✗	s->lut2 = lut2_8_8_16;
354		✗	if (s->depthx > 8 && s->depthy > 8 && s->odepth == 8)
355		✗	s->lut2 = lut2_8_16_16;
356			} else {
357		✗	s->odepth = s->depthx;
358			}
359
360		✗	for (p = 0; p < s->nb_planes; p++) {
361		✗	if (!s->lut[p])
362		✗	s->lut[p] = av_malloc_array(1 << s->depth, sizeof(uint16_t));
363		✗	if (!s->lut[p])
364		✗	return AVERROR(ENOMEM);
365			}
366
367		✗	for (p = 0; p < s->nb_planes; p++) {
368			double res;
369			int x, y;
370
371			/* create the parsed expression */
372		✗	av_expr_free(s->comp_expr[p]);
373		✗	s->comp_expr[p] = NULL;
374		✗	ret = av_expr_parse(&s->comp_expr[p], s->comp_expr_str[p],
375			var_names, NULL, NULL, NULL, NULL, 0, ctx);
376		✗	if (ret < 0) {
377		✗	av_log(ctx, AV_LOG_ERROR,
378			"Error when parsing the expression '%s' for the component %d.\n",
379			s->comp_expr_str[p], p);
380		✗	return AVERROR(EINVAL);
381			}
382
383			/* compute the lut */
384		✗	for (y = 0; y < (1 << s->depthy); y++) {
385		✗	s->var_values[VAR_Y] = y;
386		✗	for (x = 0; x < (1 << s->depthx); x++) {
387		✗	s->var_values[VAR_X] = x;
388		✗	res = av_expr_eval(s->comp_expr[p], s->var_values, s);
389		✗	if (isnan(res)) {
390		✗	av_log(ctx, AV_LOG_ERROR,
391			"Error when evaluating the expression '%s' for the values %d and %d for the component %d.\n",
392			s->comp_expr_str[p], x, y, p);
393		✗	return AVERROR(EINVAL);
394			}
395
396		✗	s->lut[p][(y << s->depthx) + x] = res;
397			}
398			}
399			}
400
401		✗	return 0;
402			}
403
404		✗	static int lut2_config_output(AVFilterLink *outlink)
405			{
406		✗	AVFilterContext *ctx = outlink->src;
407		✗	LUT2Context *s = ctx->priv;
408		✗	AVFilterLink *srcx = ctx->inputs[0];
409		✗	AVFilterLink *srcy = ctx->inputs[1];
410		✗	FilterLink *il = ff_filter_link(srcx);
411		✗	FilterLink *ol = ff_filter_link(outlink);
412			FFFrameSyncIn *in;
413		✗	const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
414		✗	int hsub = desc->log2_chroma_w;
415		✗	int vsub = desc->log2_chroma_h;
416			int ret;
417
418		✗	outlink->w = srcx->w;
419		✗	outlink->h = srcx->h;
420		✗	outlink->time_base = srcx->time_base;
421		✗	outlink->sample_aspect_ratio = srcx->sample_aspect_ratio;
422		✗	ol->frame_rate = il->frame_rate;
423
424		✗	s->nb_planes = av_pix_fmt_count_planes(outlink->format);
425		✗	s->height[1] = s->height[2] = AV_CEIL_RSHIFT(outlink->h, vsub);
426		✗	s->height[0] = s->height[3] = outlink->h;
427		✗	s->width[1] = s->width[2] = AV_CEIL_RSHIFT(outlink->w, hsub);
428		✗	s->width[0] = s->width[3] = outlink->w;
429
430		✗	if (!s->odepth && srcx->format != srcy->format) {
431		✗	av_log(ctx, AV_LOG_ERROR, "inputs must be of same pixel format\n");
432		✗	return AVERROR(EINVAL);
433			}
434
435		✗	if (srcx->w != srcy->w || srcx->h != srcy->h) {
436		✗	av_log(ctx, AV_LOG_ERROR, "First input link %s parameters "
437			"(size %dx%d) do not match the corresponding "
438			"second input link %s parameters (size %dx%d)\n",
439		✗	ctx->input_pads[0].name, srcx->w, srcx->h,
440		✗	ctx->input_pads[1].name,
441			srcy->w, srcy->h);
442		✗	return AVERROR(EINVAL);
443			}
444
445		✗	if (s->nb_planesx != s->nb_planesy) {
446		✗	av_log(ctx, AV_LOG_ERROR, "First input link %s number of planes "
447			"(%d) do not match the corresponding "
448			"second input link %s number of planes (%d)\n",
449		✗	ctx->input_pads[0].name, s->nb_planesx,
450		✗	ctx->input_pads[1].name, s->nb_planesy);
451		✗	return AVERROR(EINVAL);
452			}
453
454		✗	if (s->nb_planesx != s->nb_planes) {
455		✗	av_log(ctx, AV_LOG_ERROR, "First input link %s number of planes "
456			"(%d) do not match the corresponding "
457			"output link %s number of planes (%d)\n",
458		✗	ctx->input_pads[0].name, s->nb_planesx,
459		✗	ctx->output_pads[0].name, s->nb_planes);
460		✗	return AVERROR(EINVAL);
461			}
462
463		✗	if (s->widthx[1] != s->widthy[1] || s->heightx[1] != s->heighty[1]) {
464		✗	av_log(ctx, AV_LOG_ERROR, "First input link %s 2nd plane "
465			"(size %dx%d) do not match the corresponding "
466			"second input link %s 2nd plane (size %dx%d)\n",
467		✗	ctx->input_pads[0].name, s->widthx[1], s->heightx[1],
468		✗	ctx->input_pads[1].name,
469			s->widthy[1], s->heighty[1]);
470		✗	return AVERROR(EINVAL);
471			}
472
473		✗	if (s->widthx[2] != s->widthy[2] || s->heightx[2] != s->heighty[2]) {
474		✗	av_log(ctx, AV_LOG_ERROR, "First input link %s 3rd plane "
475			"(size %dx%d) do not match the corresponding "
476			"second input link %s 3rd plane (size %dx%d)\n",
477		✗	ctx->input_pads[0].name, s->widthx[2], s->heightx[2],
478		✗	ctx->input_pads[1].name,
479			s->widthy[2], s->heighty[2]);
480		✗	return AVERROR(EINVAL);
481			}
482
483		✗	if (s->widthx[1] != s->width[1] || s->heightx[1] != s->height[1]) {
484		✗	av_log(ctx, AV_LOG_ERROR, "First input link %s 2nd plane "
485			"(size %dx%d) do not match the corresponding "
486			"output link %s 2nd plane (size %dx%d)\n",
487		✗	ctx->input_pads[0].name, s->widthx[1], s->heightx[1],
488		✗	ctx->output_pads[0].name, s->width[1], s->height[1]);
489		✗	return AVERROR(EINVAL);
490			}
491
492		✗	if (s->widthx[2] != s->width[2] || s->heightx[2] != s->height[2]) {
493		✗	av_log(ctx, AV_LOG_ERROR, "First input link %s 3rd plane "
494			"(size %dx%d) do not match the corresponding "
495			"output link %s 3rd plane (size %dx%d)\n",
496		✗	ctx->input_pads[0].name, s->widthx[2], s->heightx[2],
497		✗	ctx->output_pads[0].name, s->width[2], s->height[2]);
498		✗	return AVERROR(EINVAL);
499			}
500
501		✗	if ((ret = ff_framesync_init(&s->fs, ctx, 2)) < 0)
502		✗	return ret;
503
504		✗	in = s->fs.in;
505		✗	in[0].time_base = srcx->time_base;
506		✗	in[1].time_base = srcy->time_base;
507		✗	in[0].sync = 2;
508		✗	in[0].before = EXT_STOP;
509		✗	in[0].after = EXT_INFINITY;
510		✗	in[1].sync = 1;
511		✗	in[1].before = EXT_STOP;
512		✗	in[1].after = EXT_INFINITY;
513		✗	s->fs.opaque = s;
514		✗	s->fs.on_event = process_frame;
515
516		✗	if ((ret = config_output(outlink)) < 0)
517		✗	return ret;
518
519		✗	ret = ff_framesync_configure(&s->fs);
520		✗	outlink->time_base = s->fs.time_base;
521
522		✗	return ret;
523			}
524
525		✗	static int activate(AVFilterContext *ctx)
526			{
527		✗	LUT2Context *s = ctx->priv;
528		✗	return ff_framesync_activate(&s->fs);
529			}
530
531			static const AVFilterPad inputs[] = {
532			{
533			.name = "srcx",
534			.type = AVMEDIA_TYPE_VIDEO,
535			.config_props = config_inputx,
536			},
537			{
538			.name = "srcy",
539			.type = AVMEDIA_TYPE_VIDEO,
540			.config_props = config_inputy,
541			},
542			};
543
544			static const AVFilterPad outputs[] = {
545			{
546			.name = "default",
547			.type = AVMEDIA_TYPE_VIDEO,
548			.config_props = lut2_config_output,
549			},
550			};
551
552		✗	static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
553			char *res, int res_len, int flags)
554			{
555		✗	int ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
556
557		✗	if (ret < 0)
558		✗	return ret;
559
560		✗	return config_output(ctx->outputs[0]);
561			}
562
563			#define lut2_options options
564
565		✗	FRAMESYNC_DEFINE_CLASS(lut2, LUT2Context, fs);
566
567			const AVFilter ff_vf_lut2 = {
568			.name = "lut2",
569			.description = NULL_IF_CONFIG_SMALL("Compute and apply a lookup table from two video inputs."),
570			.preinit = lut2_framesync_preinit,
571			.priv_size = sizeof(LUT2Context),
572			.priv_class = &lut2_class,
573			.uninit = uninit,
574			.activate = activate,
575			FILTER_INPUTS(inputs),
576			FILTER_OUTPUTS(outputs),
577			FILTER_QUERY_FUNC2(query_formats),
578			.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
579			AVFILTER_FLAG_SLICE_THREADS,
580			.process_command = process_command,
581			};
582
583			#if CONFIG_TLUT2_FILTER
584
585		✗	static av_cold int init(AVFilterContext *ctx)
586			{
587		✗	LUT2Context *s = ctx->priv;
588
589		✗	s->tlut2 = !strcmp(ctx->filter->name, "tlut2");
590
591		✗	if (!(s->odepth == 0 || s->odepth == 8 || s->odepth == 9 || s->odepth == 10 ||
592		✗	s->odepth == 12 || s->odepth == 14 || s->odepth == 16)) {
593		✗	av_log(ctx, AV_LOG_ERROR, "Unsupported output bit depth %d.\n", s->odepth);
594		✗	return AVERROR(EINVAL);
595			}
596
597		✗	return 0;
598			}
599
600		✗	static int tlut2_filter_frame(AVFilterLink *inlink, AVFrame *frame)
601			{
602		✗	AVFilterContext *ctx = inlink->dst;
603		✗	LUT2Context *s = ctx->priv;
604		✗	AVFilterLink *outlink = ctx->outputs[0];
605
606		✗	if (s->prev_frame) {
607			AVFrame *out;
608
609		✗	if (ctx->is_disabled) {
610		✗	out = av_frame_clone(frame);
611			} else {
612			ThreadData td;
613
614		✗	out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
615		✗	if (!out) {
616		✗	av_frame_free(&s->prev_frame);
617		✗	s->prev_frame = frame;
618		✗	return AVERROR(ENOMEM);
619			}
620
621		✗	av_frame_copy_props(out, frame);
622
623		✗	td.out = out;
624		✗	td.srcx = frame;
625		✗	td.srcy = s->prev_frame;
626		✗	ff_filter_execute(ctx, s->lut2, &td, NULL,
627		✗	FFMIN(s->heightx[1], ff_filter_get_nb_threads(ctx)));
628			}
629		✗	av_frame_free(&s->prev_frame);
630		✗	s->prev_frame = frame;
631		✗	return ff_filter_frame(outlink, out);
632			}
633		✗	s->prev_frame = frame;
634		✗	return 0;
635			}
636
637			static const AVOption tlut2_options[] = {
638			{ "c0", "set component #0 expression", OFFSET(comp_expr_str[0]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
639			{ "c1", "set component #1 expression", OFFSET(comp_expr_str[1]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
640			{ "c2", "set component #2 expression", OFFSET(comp_expr_str[2]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
641			{ "c3", "set component #3 expression", OFFSET(comp_expr_str[3]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
642			{ NULL }
643			};
644
645			AVFILTER_DEFINE_CLASS(tlut2);
646
647			static const AVFilterPad tlut2_inputs[] = {
648			{
649			.name = "default",
650			.type = AVMEDIA_TYPE_VIDEO,
651			.filter_frame = tlut2_filter_frame,
652			.config_props = config_inputx,
653			},
654			};
655
656			static const AVFilterPad tlut2_outputs[] = {
657			{
658			.name = "default",
659			.type = AVMEDIA_TYPE_VIDEO,
660			.config_props = config_output,
661			},
662			};
663
664			const AVFilter ff_vf_tlut2 = {
665			.name = "tlut2",
666			.description = NULL_IF_CONFIG_SMALL("Compute and apply a lookup table from two successive frames."),
667			.priv_size = sizeof(LUT2Context),
668			.priv_class = &tlut2_class,
669			.init = init,
670			.uninit = uninit,
671			FILTER_INPUTS(tlut2_inputs),
672			FILTER_OUTPUTS(tlut2_outputs),
673			FILTER_QUERY_FUNC2(query_formats),
674			.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
675			AVFILTER_FLAG_SLICE_THREADS,
676			.process_command = process_command,
677			};
678
679			#endif
680