FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavfilter/vf_deband.c
Date: 2026-09-28 04:46:15
Exec Total Coverage
Lines: 0 223 0.0%
Functions: 0 11 0.0%
Branches: 0 118 0.0%
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1 /*
2 * Copyright (c) 2015 Niklas Haas
3 * Copyright (c) 2015 Paul B Mahol
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to deal
7 * in the Software without restriction, including without limitation the rights
8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24 #include "libavutil/mem.h"
25 #include "libavutil/opt.h"
26 #include "libavutil/pixdesc.h"
27 #include "avfilter.h"
28 #include "filters.h"
29 #include "formats.h"
30 #include "video.h"
31
32 typedef struct DebandContext {
33 const AVClass *class;
34
35 int coupling;
36 float threshold[4];
37 int range;
38 int blur;
39 float direction;
40
41 int nb_components;
42 int planewidth[4];
43 int planeheight[4];
44 int shift[2];
45 int thr[4];
46
47 int *x_pos;
48 int *y_pos;
49
50 int (*deband)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
51 } DebandContext;
52
53 #define OFFSET(x) offsetof(DebandContext, x)
54 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
55
56 static const AVOption deband_options[] = {
57 { "1thr", "set 1st plane threshold", OFFSET(threshold[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0.00003, 0.5, FLAGS },
58 { "2thr", "set 2nd plane threshold", OFFSET(threshold[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0.00003, 0.5, FLAGS },
59 { "3thr", "set 3rd plane threshold", OFFSET(threshold[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0.00003, 0.5, FLAGS },
60 { "4thr", "set 4th plane threshold", OFFSET(threshold[3]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0.00003, 0.5, FLAGS },
61 { "range", "set range", OFFSET(range), AV_OPT_TYPE_INT, {.i64=16}, INT_MIN, INT_MAX, FLAGS },
62 { "r", "set range", OFFSET(range), AV_OPT_TYPE_INT, {.i64=16}, INT_MIN, INT_MAX, FLAGS },
63 { "direction", "set direction", OFFSET(direction), AV_OPT_TYPE_FLOAT, {.dbl=2*M_PI},-2*M_PI, 2*M_PI, FLAGS },
64 { "d", "set direction", OFFSET(direction), AV_OPT_TYPE_FLOAT, {.dbl=2*M_PI},-2*M_PI, 2*M_PI, FLAGS },
65 { "blur", "set blur", OFFSET(blur), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS },
66 { "b", "set blur", OFFSET(blur), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS },
67 { "coupling", "set plane coupling", OFFSET(coupling), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
68 { "c", "set plane coupling", OFFSET(coupling), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
69 { NULL }
70 };
71
72 AVFILTER_DEFINE_CLASS(deband);
73
74 ✗ static int query_formats(const AVFilterContext *ctx,
75 AVFilterFormatsConfig **cfg_in,
76 AVFilterFormatsConfig **cfg_out)
77 {
78 ✗ const DebandContext *s = ctx->priv;
79
80 static const enum AVPixelFormat pix_fmts[] = {
81 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10,
82 AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
83 AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P,
84 AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P,
85 AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
86 AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUVJ440P,
87 AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
88 AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
89 AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
90 AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
91 AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12,
92 AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
93 AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
94 AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
95 AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14,
96 AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16,
97 AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
98 AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
99 AV_PIX_FMT_NONE
100 };
101
102 static const enum AVPixelFormat cpix_fmts[] = {
103 AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P,
104 AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P9,
105 AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10,
106 AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14,
107 AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUVA444P16,
108 AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
109 AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
110 AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14,
111 AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16,
112 AV_PIX_FMT_NONE
113 };
114
115 ✗ return ff_set_pixel_formats_from_list2(ctx, cfg_in, cfg_out,
116 ✗ s->coupling ? cpix_fmts : pix_fmts);
117 }
118
119 ✗ static float frand(int x, int y)
120 {
121 ✗ const float r = sinf(x * 12.9898f + y * 78.233f) * 43758.545f;
122
123 ✗ return r - floorf(r);
124 }
125
126 ✗ static int inline get_avg(int ref0, int ref1, int ref2, int ref3)
127 {
128 ✗ return (ref0 + ref1 + ref2 + ref3) / 4;
129 }
130
131 typedef struct ThreadData {
132 AVFrame *in, *out;
133 } ThreadData;
134
135 ✗ static int deband_8_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
136 {
137 ✗ DebandContext *s = ctx->priv;
138 ✗ ThreadData *td = arg;
139 ✗ AVFrame *in = td->in;
140 ✗ AVFrame *out = td->out;
141 int x, y, p;
142
143 ✗ for (p = 0; p < s->nb_components; p++) {
144 ✗ const uint8_t *src_ptr = (const uint8_t *)in->data[p];
145 ✗ uint8_t *dst_ptr = (uint8_t *)out->data[p];
146 ✗ const int dst_linesize = out->linesize[p];
147 ✗ const int src_linesize = in->linesize[p];
148 ✗ const int thr = s->thr[p];
149 ✗ const int start = ff_slice_pos(s->planeheight[p], jobnr, nb_jobs);
150 ✗ const int end = ff_slice_pos(s->planeheight[p], jobnr + 1, nb_jobs);
151 ✗ const int w = s->planewidth[p] - 1;
152 ✗ const int h = s->planeheight[p] - 1;
153
154 ✗ for (y = start; y < end; y++) {
155 ✗ const int pos = y * s->planewidth[0];
156
157 ✗ for (x = 0; x < s->planewidth[p]; x++) {
158 ✗ const int x_pos = s->x_pos[pos + x];
159 ✗ const int y_pos = s->y_pos[pos + x];
160 ✗ const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
161 ✗ const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
162 ✗ const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
163 ✗ const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
164 ✗ const int src0 = src_ptr[y * src_linesize + x];
165
166 ✗ if (s->blur) {
167 ✗ const int avg = get_avg(ref0, ref1, ref2, ref3);
168 ✗ const int diff = FFABS(src0 - avg);
169
170 ✗ dst_ptr[y * dst_linesize + x] = diff < thr ? avg : src0;
171 } else {
172 ✗ dst_ptr[y * dst_linesize + x] = (FFABS(src0 - ref0) < thr) &&
173 ✗ (FFABS(src0 - ref1) < thr) &&
174 ✗ (FFABS(src0 - ref2) < thr) &&
175 ✗ (FFABS(src0 - ref3) < thr) ? get_avg(ref0, ref1, ref2, ref3) : src0;
176 }
177 }
178 }
179 }
180
181 ✗ return 0;
182 }
183
184 ✗ static int deband_8_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
185 {
186 ✗ DebandContext *s = ctx->priv;
187 ✗ ThreadData *td = arg;
188 ✗ AVFrame *in = td->in;
189 ✗ AVFrame *out = td->out;
190 ✗ const int start = ff_slice_pos(s->planeheight[0], jobnr, nb_jobs);
191 ✗ const int end = ff_slice_pos(s->planeheight[0], jobnr + 1, nb_jobs);
192 int x, y, p;
193
194 ✗ for (y = start; y < end; y++) {
195 ✗ const int pos = y * s->planewidth[0];
196
197 ✗ for (x = 0; x < s->planewidth[0]; x++) {
198 ✗ const int x_pos = s->x_pos[pos + x];
199 ✗ const int y_pos = s->y_pos[pos + x];
200 ✗ int avg[4], cmp[4] = { 0 }, src[4];
201
202 ✗ for (p = 0; p < s->nb_components; p++) {
203 ✗ const uint8_t *src_ptr = (const uint8_t *)in->data[p];
204 ✗ const int src_linesize = in->linesize[p];
205 ✗ const int thr = s->thr[p];
206 ✗ const int w = s->planewidth[p] - 1;
207 ✗ const int h = s->planeheight[p] - 1;
208 ✗ const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
209 ✗ const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
210 ✗ const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
211 ✗ const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
212 ✗ const int src0 = src_ptr[y * src_linesize + x];
213
214 ✗ src[p] = src0;
215 ✗ avg[p] = get_avg(ref0, ref1, ref2, ref3);
216
217 ✗ if (s->blur) {
218 ✗ cmp[p] = FFABS(src0 - avg[p]) < thr;
219 } else {
220 ✗ cmp[p] = (FFABS(src0 - ref0) < thr) &&
221 ✗ (FFABS(src0 - ref1) < thr) &&
222 ✗ (FFABS(src0 - ref2) < thr) &&
223 ✗ (FFABS(src0 - ref3) < thr);
224 }
225 }
226
227 ✗ for (p = 0; p < s->nb_components; p++)
228 ✗ if (!cmp[p])
229 ✗ break;
230 ✗ if (p == s->nb_components) {
231 ✗ for (p = 0; p < s->nb_components; p++) {
232 ✗ const int dst_linesize = out->linesize[p];
233
234 ✗ out->data[p][y * dst_linesize + x] = avg[p];
235 }
236 } else {
237 ✗ for (p = 0; p < s->nb_components; p++) {
238 ✗ const int dst_linesize = out->linesize[p];
239
240 ✗ out->data[p][y * dst_linesize + x] = src[p];
241 }
242 }
243 }
244 }
245
246 ✗ return 0;
247 }
248
249 ✗ static int deband_16_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
250 {
251 ✗ DebandContext *s = ctx->priv;
252 ✗ ThreadData *td = arg;
253 ✗ AVFrame *in = td->in;
254 ✗ AVFrame *out = td->out;
255 ✗ const int start = ff_slice_pos(s->planeheight[0], jobnr, nb_jobs);
256 ✗ const int end = ff_slice_pos(s->planeheight[0], jobnr + 1, nb_jobs);
257 int x, y, p, z;
258
259 ✗ for (y = start; y < end; y++) {
260 ✗ const int pos = y * s->planewidth[0];
261
262 ✗ for (x = 0; x < s->planewidth[0]; x++) {
263 ✗ const int x_pos = s->x_pos[pos + x];
264 ✗ const int y_pos = s->y_pos[pos + x];
265 ✗ int avg[4], cmp[4] = { 0 }, src[4];
266
267 ✗ for (p = 0; p < s->nb_components; p++) {
268 ✗ const uint16_t *src_ptr = (const uint16_t *)in->data[p];
269 ✗ const int src_linesize = in->linesize[p] / 2;
270 ✗ const int thr = s->thr[p];
271 ✗ const int w = s->planewidth[p] - 1;
272 ✗ const int h = s->planeheight[p] - 1;
273 ✗ const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
274 ✗ const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
275 ✗ const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
276 ✗ const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
277 ✗ const int src0 = src_ptr[y * src_linesize + x];
278
279 ✗ src[p] = src0;
280 ✗ avg[p] = get_avg(ref0, ref1, ref2, ref3);
281
282 ✗ if (s->blur) {
283 ✗ cmp[p] = FFABS(src0 - avg[p]) < thr;
284 } else {
285 ✗ cmp[p] = (FFABS(src0 - ref0) < thr) &&
286 ✗ (FFABS(src0 - ref1) < thr) &&
287 ✗ (FFABS(src0 - ref2) < thr) &&
288 ✗ (FFABS(src0 - ref3) < thr);
289 }
290 }
291
292 ✗ for (z = 0; z < s->nb_components; z++)
293 ✗ if (!cmp[z])
294 ✗ break;
295 ✗ if (z == s->nb_components) {
296 ✗ for (p = 0; p < s->nb_components; p++) {
297 ✗ const int dst_linesize = out->linesize[p] / 2;
298 ✗ uint16_t *dst = (uint16_t *)out->data[p] + y * dst_linesize + x;
299
300 ✗ dst[0] = avg[p];
301 }
302 } else {
303 ✗ for (p = 0; p < s->nb_components; p++) {
304 ✗ const int dst_linesize = out->linesize[p] / 2;
305 ✗ uint16_t *dst = (uint16_t *)out->data[p] + y * dst_linesize + x;
306
307 ✗ dst[0] = src[p];
308 }
309 }
310 }
311 }
312
313 ✗ return 0;
314 }
315
316 ✗ static int deband_16_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
317 {
318 ✗ DebandContext *s = ctx->priv;
319 ✗ ThreadData *td = arg;
320 ✗ AVFrame *in = td->in;
321 ✗ AVFrame *out = td->out;
322 int x, y, p;
323
324 ✗ for (p = 0; p < s->nb_components; p++) {
325 ✗ const uint16_t *src_ptr = (const uint16_t *)in->data[p];
326 ✗ uint16_t *dst_ptr = (uint16_t *)out->data[p];
327 ✗ const int dst_linesize = out->linesize[p] / 2;
328 ✗ const int src_linesize = in->linesize[p] / 2;
329 ✗ const int thr = s->thr[p];
330 ✗ const int start = ff_slice_pos(s->planeheight[p], jobnr, nb_jobs);
331 ✗ const int end = ff_slice_pos(s->planeheight[p], jobnr + 1, nb_jobs);
332 ✗ const int w = s->planewidth[p] - 1;
333 ✗ const int h = s->planeheight[p] - 1;
334
335 ✗ for (y = start; y < end; y++) {
336 ✗ const int pos = y * s->planewidth[0];
337
338 ✗ for (x = 0; x < s->planewidth[p]; x++) {
339 ✗ const int x_pos = s->x_pos[pos + x];
340 ✗ const int y_pos = s->y_pos[pos + x];
341 ✗ const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
342 ✗ const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
343 ✗ const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
344 ✗ const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
345 ✗ const int src0 = src_ptr[y * src_linesize + x];
346
347 ✗ if (s->blur) {
348 ✗ const int avg = get_avg(ref0, ref1, ref2, ref3);
349 ✗ const int diff = FFABS(src0 - avg);
350
351 ✗ dst_ptr[y * dst_linesize + x] = diff < thr ? avg : src0;
352 } else {
353 ✗ dst_ptr[y * dst_linesize + x] = (FFABS(src0 - ref0) < thr) &&
354 ✗ (FFABS(src0 - ref1) < thr) &&
355 ✗ (FFABS(src0 - ref2) < thr) &&
356 ✗ (FFABS(src0 - ref3) < thr) ? get_avg(ref0, ref1, ref2, ref3) : src0;
357 }
358 }
359 }
360 }
361
362 ✗ return 0;
363 }
364
365 ✗ static int config_input(AVFilterLink *inlink)
366 {
367 ✗ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
368 ✗ AVFilterContext *ctx = inlink->dst;
369 ✗ DebandContext *s = ctx->priv;
370 ✗ const float direction = s->direction;
371 ✗ const int range = s->range;
372 int x, y;
373
374 ✗ s->nb_components = desc->nb_components;
375
376 ✗ s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
377 ✗ s->planeheight[0] = s->planeheight[3] = inlink->h;
378 ✗ s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
379 ✗ s->planewidth[0] = s->planewidth[3] = inlink->w;
380 ✗ s->shift[0] = desc->log2_chroma_w;
381 ✗ s->shift[1] = desc->log2_chroma_h;
382
383 ✗ if (s->coupling)
384 ✗ s->deband = desc->comp[0].depth > 8 ? deband_16_coupling_c : deband_8_coupling_c;
385 else
386 ✗ s->deband = desc->comp[0].depth > 8 ? deband_16_c : deband_8_c;
387
388 ✗ s->thr[0] = ((1 << desc->comp[0].depth) - 1) * s->threshold[0];
389 ✗ s->thr[1] = ((1 << desc->comp[1].depth) - 1) * s->threshold[1];
390 ✗ s->thr[2] = ((1 << desc->comp[2].depth) - 1) * s->threshold[2];
391 ✗ s->thr[3] = ((1 << desc->comp[3].depth) - 1) * s->threshold[3];
392
393 ✗ if (!s->x_pos)
394 ✗ s->x_pos = av_malloc(s->planewidth[0] * s->planeheight[0] * sizeof(*s->x_pos));
395 ✗ if (!s->y_pos)
396 ✗ s->y_pos = av_malloc(s->planewidth[0] * s->planeheight[0] * sizeof(*s->y_pos));
397 ✗ if (!s->x_pos || !s->y_pos)
398 ✗ return AVERROR(ENOMEM);
399
400 ✗ for (y = 0; y < s->planeheight[0]; y++) {
401 ✗ for (x = 0; x < s->planewidth[0]; x++) {
402 ✗ const float r = frand(x, y);
403 ✗ const float dir = direction < 0 ? -direction : r * direction;
404 ✗ const int dist = range < 0 ? -range : r * range;
405
406 ✗ s->x_pos[y * s->planewidth[0] + x] = cosf(dir) * dist;
407 ✗ s->y_pos[y * s->planewidth[0] + x] = sinf(dir) * dist;
408 }
409 }
410
411 ✗ return 0;
412 }
413
414 ✗ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
415 {
416 ✗ AVFilterContext *ctx = inlink->dst;
417 ✗ AVFilterLink *outlink = ctx->outputs[0];
418 ✗ DebandContext *s = ctx->priv;
419 AVFrame *out;
420 ThreadData td;
421
422 ✗ out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
423 ✗ if (!out) {
424 ✗ av_frame_free(&in);
425 ✗ return AVERROR(ENOMEM);
426 }
427 ✗ av_frame_copy_props(out, in);
428
429 ✗ td.in = in; td.out = out;
430 ✗ ff_filter_execute(ctx, s->deband, &td, NULL,
431 ✗ FFMIN3(s->planeheight[1], s->planeheight[2],
432 ff_filter_get_nb_threads(ctx)));
433
434 ✗ av_frame_free(&in);
435 ✗ return ff_filter_frame(outlink, out);
436 }
437
438 ✗ static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
439 char *res, int res_len, int flags)
440 {
441 ✗ int ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
442
443 ✗ if (ret < 0)
444 ✗ return ret;
445
446 ✗ return config_input(ctx->inputs[0]);
447 }
448
449 ✗ static av_cold void uninit(AVFilterContext *ctx)
450 {
451 ✗ DebandContext *s = ctx->priv;
452
453 ✗ av_freep(&s->x_pos);
454 ✗ av_freep(&s->y_pos);
455 ✗ }
456
457 static const AVFilterPad avfilter_vf_deband_inputs[] = {
458 {
459 .name = "default",
460 .type = AVMEDIA_TYPE_VIDEO,
461 .config_props = config_input,
462 .filter_frame = filter_frame,
463 },
464 };
465
466 const FFFilter ff_vf_deband = {
467 .p.name = "deband",
468 .p.description = NULL_IF_CONFIG_SMALL("Debands video."),
469 .p.priv_class = &deband_class,
470 .p.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
471 .priv_size = sizeof(DebandContext),
472 .uninit = uninit,
473 FILTER_INPUTS(avfilter_vf_deband_inputs),
474 FILTER_OUTPUTS(ff_video_default_filterpad),
475 FILTER_QUERY_FUNC2(query_formats),
476 .process_command = process_command,
477 };
478