FFmpeg
vf_deband.c
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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/opt.h"
25 #include "libavutil/pixdesc.h"
26 #include "avfilter.h"
27 #include "internal.h"
28 #include "video.h"
29 
30 typedef struct DebandContext {
31  const AVClass *class;
32 
33  int coupling;
34  float threshold[4];
35  int range;
36  int blur;
37  float direction;
38 
39  int nb_components;
40  int planewidth[4];
41  int planeheight[4];
42  int shift[2];
43  int thr[4];
44 
45  int *x_pos;
46  int *y_pos;
47 
48  int (*deband)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
49 } DebandContext;
50 
51 #define OFFSET(x) offsetof(DebandContext, x)
52 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
53 
54 static const AVOption deband_options[] = {
55  { "1thr", "set 1st plane threshold", OFFSET(threshold[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0.00003, 0.5, FLAGS },
56  { "2thr", "set 2nd plane threshold", OFFSET(threshold[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0.00003, 0.5, FLAGS },
57  { "3thr", "set 3rd plane threshold", OFFSET(threshold[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0.00003, 0.5, FLAGS },
58  { "4thr", "set 4th plane threshold", OFFSET(threshold[3]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0.00003, 0.5, FLAGS },
59  { "range", "set range", OFFSET(range), AV_OPT_TYPE_INT, {.i64=16}, INT_MIN, INT_MAX, FLAGS },
60  { "r", "set range", OFFSET(range), AV_OPT_TYPE_INT, {.i64=16}, INT_MIN, INT_MAX, FLAGS },
61  { "direction", "set direction", OFFSET(direction), AV_OPT_TYPE_FLOAT, {.dbl=2*M_PI},-2*M_PI, 2*M_PI, FLAGS },
62  { "d", "set direction", OFFSET(direction), AV_OPT_TYPE_FLOAT, {.dbl=2*M_PI},-2*M_PI, 2*M_PI, FLAGS },
63  { "blur", "set blur", OFFSET(blur), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS },
64  { "b", "set blur", OFFSET(blur), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS },
65  { "coupling", "set plane coupling", OFFSET(coupling), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
66  { "c", "set plane coupling", OFFSET(coupling), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
67  { NULL }
68 };
69 
70 AVFILTER_DEFINE_CLASS(deband);
71 
72 static int query_formats(AVFilterContext *ctx)
73 {
74  DebandContext *s = ctx->priv;
75 
76  static const enum AVPixelFormat pix_fmts[] = {
77  AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10,
78  AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
79  AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P,
80  AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P,
81  AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
82  AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUVJ440P,
83  AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
84  AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
85  AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
86  AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
87  AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12,
88  AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
89  AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
90  AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
91  AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14,
92  AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16,
93  AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
94  AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
95  AV_PIX_FMT_NONE
96  };
97 
98  static const enum AVPixelFormat cpix_fmts[] = {
99  AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P,
100  AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P9,
101  AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10,
102  AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14,
103  AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUVA444P16,
104  AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
105  AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
106  AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14,
107  AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16,
108  AV_PIX_FMT_NONE
109  };
110 
111  AVFilterFormats *fmts_list = ff_make_format_list(s->coupling ? cpix_fmts : pix_fmts);
112  if (!fmts_list)
113  return AVERROR(ENOMEM);
114 
115  return ff_set_common_formats(ctx, fmts_list);
116 }
117 
118 static float frand(int x, int y)
119 {
120  const float r = sinf(x * 12.9898f + y * 78.233f) * 43758.545f;
121 
122  return r - floorf(r);
123 }
124 
125 static int inline get_avg(int ref0, int ref1, int ref2, int ref3)
126 {
127  return (ref0 + ref1 + ref2 + ref3) / 4;
128 }
129 
130 typedef struct ThreadData {
131  AVFrame *in, *out;
132 } ThreadData;
133 
134 static int deband_8_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
135 {
136  DebandContext *s = ctx->priv;
137  ThreadData *td = arg;
138  AVFrame *in = td->in;
139  AVFrame *out = td->out;
140  int x, y, p;
141 
142  for (p = 0; p < s->nb_components; p++) {
143  const uint8_t *src_ptr = (const uint8_t *)in->data[p];
144  uint8_t *dst_ptr = (uint8_t *)out->data[p];
145  const int dst_linesize = out->linesize[p];
146  const int src_linesize = in->linesize[p];
147  const int thr = s->thr[p];
148  const int start = (s->planeheight[p] * jobnr ) / nb_jobs;
149  const int end = (s->planeheight[p] * (jobnr+1)) / nb_jobs;
150  const int w = s->planewidth[p] - 1;
151  const int h = s->planeheight[p] - 1;
152 
153  for (y = start; y < end; y++) {
154  const int pos = y * s->planewidth[0];
155 
156  for (x = 0; x < s->planewidth[p]; x++) {
157  const int x_pos = s->x_pos[pos + x];
158  const int y_pos = s->y_pos[pos + x];
159  const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
160  const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
161  const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
162  const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
163  const int src0 = src_ptr[y * src_linesize + x];
164 
165  if (s->blur) {
166  const int avg = get_avg(ref0, ref1, ref2, ref3);
167  const int diff = FFABS(src0 - avg);
168 
169  dst_ptr[y * dst_linesize + x] = diff < thr ? avg : src0;
170  } else {
171  dst_ptr[y * dst_linesize + x] = (FFABS(src0 - ref0) < thr) &&
172  (FFABS(src0 - ref1) < thr) &&
173  (FFABS(src0 - ref2) < thr) &&
174  (FFABS(src0 - ref3) < thr) ? get_avg(ref0, ref1, ref2, ref3) : src0;
175  }
176  }
177  }
178  }
179 
180  return 0;
181 }
182 
183 static int deband_8_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
184 {
185  DebandContext *s = ctx->priv;
186  ThreadData *td = arg;
187  AVFrame *in = td->in;
188  AVFrame *out = td->out;
189  const int start = (s->planeheight[0] * jobnr ) / nb_jobs;
190  const int end = (s->planeheight[0] * (jobnr+1)) / nb_jobs;
191  int x, y, p;
192 
193  for (y = start; y < end; y++) {
194  const int pos = y * s->planewidth[0];
195 
196  for (x = 0; x < s->planewidth[0]; x++) {
197  const int x_pos = s->x_pos[pos + x];
198  const int y_pos = s->y_pos[pos + x];
199  int avg[4], cmp[4] = { 0 }, src[4];
200 
201  for (p = 0; p < s->nb_components; p++) {
202  const uint8_t *src_ptr = (const uint8_t *)in->data[p];
203  const int src_linesize = in->linesize[p];
204  const int thr = s->thr[p];
205  const int w = s->planewidth[p] - 1;
206  const int h = s->planeheight[p] - 1;
207  const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
208  const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
209  const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
210  const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
211  const int src0 = src_ptr[y * src_linesize + x];
212 
213  src[p] = src0;
214  avg[p] = get_avg(ref0, ref1, ref2, ref3);
215 
216  if (s->blur) {
217  cmp[p] = FFABS(src0 - avg[p]) < thr;
218  } else {
219  cmp[p] = (FFABS(src0 - ref0) < thr) &&
220  (FFABS(src0 - ref1) < thr) &&
221  (FFABS(src0 - ref2) < thr) &&
222  (FFABS(src0 - ref3) < thr);
223  }
224  }
225 
226  for (p = 0; p < s->nb_components; p++)
227  if (!cmp[p])
228  break;
229  if (p == s->nb_components) {
230  for (p = 0; p < s->nb_components; p++) {
231  const int dst_linesize = out->linesize[p];
232 
233  out->data[p][y * dst_linesize + x] = avg[p];
234  }
235  } else {
236  for (p = 0; p < s->nb_components; p++) {
237  const int dst_linesize = out->linesize[p];
238 
239  out->data[p][y * dst_linesize + x] = src[p];
240  }
241  }
242  }
243  }
244 
245  return 0;
246 }
247 
248 static int deband_16_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
249 {
250  DebandContext *s = ctx->priv;
251  ThreadData *td = arg;
252  AVFrame *in = td->in;
253  AVFrame *out = td->out;
254  const int start = (s->planeheight[0] * jobnr ) / nb_jobs;
255  const int end = (s->planeheight[0] * (jobnr+1)) / nb_jobs;
256  int x, y, p, z;
257 
258  for (y = start; y < end; y++) {
259  const int pos = y * s->planewidth[0];
260 
261  for (x = 0; x < s->planewidth[0]; x++) {
262  const int x_pos = s->x_pos[pos + x];
263  const int y_pos = s->y_pos[pos + x];
264  int avg[4], cmp[4] = { 0 }, src[4];
265 
266  for (p = 0; p < s->nb_components; p++) {
267  const uint16_t *src_ptr = (const uint16_t *)in->data[p];
268  const int src_linesize = in->linesize[p] / 2;
269  const int thr = s->thr[p];
270  const int w = s->planewidth[p] - 1;
271  const int h = s->planeheight[p] - 1;
272  const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
273  const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
274  const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
275  const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
276  const int src0 = src_ptr[y * src_linesize + x];
277 
278  src[p] = src0;
279  avg[p] = get_avg(ref0, ref1, ref2, ref3);
280 
281  if (s->blur) {
282  cmp[p] = FFABS(src0 - avg[p]) < thr;
283  } else {
284  cmp[p] = (FFABS(src0 - ref0) < thr) &&
285  (FFABS(src0 - ref1) < thr) &&
286  (FFABS(src0 - ref2) < thr) &&
287  (FFABS(src0 - ref3) < thr);
288  }
289  }
290 
291  for (z = 0; z < s->nb_components; z++)
292  if (!cmp[z])
293  break;
294  if (z == s->nb_components) {
295  for (p = 0; p < s->nb_components; p++) {
296  const int dst_linesize = out->linesize[p] / 2;
297  uint16_t *dst = (uint16_t *)out->data[p] + y * dst_linesize + x;
298 
299  dst[0] = avg[p];
300  }
301  } else {
302  for (p = 0; p < s->nb_components; p++) {
303  const int dst_linesize = out->linesize[p] / 2;
304  uint16_t *dst = (uint16_t *)out->data[p] + y * dst_linesize + x;
305 
306  dst[0] = src[p];
307  }
308  }
309  }
310  }
311 
312  return 0;
313 }
314 
315 static int deband_16_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
316 {
317  DebandContext *s = ctx->priv;
318  ThreadData *td = arg;
319  AVFrame *in = td->in;
320  AVFrame *out = td->out;
321  int x, y, p;
322 
323  for (p = 0; p < s->nb_components; p++) {
324  const uint16_t *src_ptr = (const uint16_t *)in->data[p];
325  uint16_t *dst_ptr = (uint16_t *)out->data[p];
326  const int dst_linesize = out->linesize[p] / 2;
327  const int src_linesize = in->linesize[p] / 2;
328  const int thr = s->thr[p];
329  const int start = (s->planeheight[p] * jobnr ) / nb_jobs;
330  const int end = (s->planeheight[p] * (jobnr+1)) / nb_jobs;
331  const int w = s->planewidth[p] - 1;
332  const int h = s->planeheight[p] - 1;
333 
334  for (y = start; y < end; y++) {
335  const int pos = y * s->planewidth[0];
336 
337  for (x = 0; x < s->planewidth[p]; x++) {
338  const int x_pos = s->x_pos[pos + x];
339  const int y_pos = s->y_pos[pos + x];
340  const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
341  const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
342  const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
343  const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
344  const int src0 = src_ptr[y * src_linesize + x];
345 
346  if (s->blur) {
347  const int avg = get_avg(ref0, ref1, ref2, ref3);
348  const int diff = FFABS(src0 - avg);
349 
350  dst_ptr[y * dst_linesize + x] = diff < thr ? avg : src0;
351  } else {
352  dst_ptr[y * dst_linesize + x] = (FFABS(src0 - ref0) < thr) &&
353  (FFABS(src0 - ref1) < thr) &&
354  (FFABS(src0 - ref2) < thr) &&
355  (FFABS(src0 - ref3) < thr) ? get_avg(ref0, ref1, ref2, ref3) : src0;
356  }
357  }
358  }
359  }
360 
361  return 0;
362 }
363 
364 static int config_input(AVFilterLink *inlink)
365 {
366  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
367  AVFilterContext *ctx = inlink->dst;
368  DebandContext *s = ctx->priv;
369  const float direction = s->direction;
370  const int range = s->range;
371  int x, y;
372 
373  s->nb_components = desc->nb_components;
374 
375  s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
376  s->planeheight[0] = s->planeheight[3] = inlink->h;
377  s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
378  s->planewidth[0] = s->planewidth[3] = inlink->w;
379  s->shift[0] = desc->log2_chroma_w;
380  s->shift[1] = desc->log2_chroma_h;
381 
382  if (s->coupling)
383  s->deband = desc->comp[0].depth > 8 ? deband_16_coupling_c : deband_8_coupling_c;
384  else
385  s->deband = desc->comp[0].depth > 8 ? deband_16_c : deband_8_c;
386 
387  s->thr[0] = ((1 << desc->comp[0].depth) - 1) * s->threshold[0];
388  s->thr[1] = ((1 << desc->comp[1].depth) - 1) * s->threshold[1];
389  s->thr[2] = ((1 << desc->comp[2].depth) - 1) * s->threshold[2];
390  s->thr[3] = ((1 << desc->comp[3].depth) - 1) * s->threshold[3];
391 
392  if (!s->x_pos)
393  s->x_pos = av_malloc(s->planewidth[0] * s->planeheight[0] * sizeof(*s->x_pos));
394  if (!s->y_pos)
395  s->y_pos = av_malloc(s->planewidth[0] * s->planeheight[0] * sizeof(*s->y_pos));
396  if (!s->x_pos || !s->y_pos)
397  return AVERROR(ENOMEM);
398 
399  for (y = 0; y < s->planeheight[0]; y++) {
400  for (x = 0; x < s->planewidth[0]; x++) {
401  const float r = frand(x, y);
402  const float dir = direction < 0 ? -direction : r * direction;
403  const int dist = range < 0 ? -range : r * range;
404 
405  s->x_pos[y * s->planewidth[0] + x] = cosf(dir) * dist;
406  s->y_pos[y * s->planewidth[0] + x] = sinf(dir) * dist;
407  }
408  }
409 
410  return 0;
411 }
412 
413 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
414 {
415  AVFilterContext *ctx = inlink->dst;
416  AVFilterLink *outlink = ctx->outputs[0];
417  DebandContext *s = ctx->priv;
418  AVFrame *out;
419  ThreadData td;
420 
421  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
422  if (!out) {
423  av_frame_free(&in);
424  return AVERROR(ENOMEM);
425  }
426  av_frame_copy_props(out, in);
427 
428  td.in = in; td.out = out;
429  ctx->internal->execute(ctx, s->deband, &td, NULL, FFMIN3(s->planeheight[1],
430  s->planeheight[2],
431  ff_filter_get_nb_threads(ctx)));
432 
433  av_frame_free(&in);
434  return ff_filter_frame(outlink, out);
435 }
436 
437 static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
438  char *res, int res_len, int flags)
439 {
440  int ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
441 
442  if (ret < 0)
443  return ret;
444 
445  return config_input(ctx->inputs[0]);
446 }
447 
448 static av_cold void uninit(AVFilterContext *ctx)
449 {
450  DebandContext *s = ctx->priv;
451 
452  av_freep(&s->x_pos);
453  av_freep(&s->y_pos);
454 }
455 
456 static const AVFilterPad avfilter_vf_deband_inputs[] = {
457  {
458  .name = "default",
459  .type = AVMEDIA_TYPE_VIDEO,
460  .config_props = config_input,
461  .filter_frame = filter_frame,
462  },
463  { NULL }
464 };
465 
466 static const AVFilterPad avfilter_vf_deband_outputs[] = {
467  {
468  .name = "default",
469  .type = AVMEDIA_TYPE_VIDEO,
470  },
471  { NULL }
472 };
473 
474 const AVFilter ff_vf_deband = {
475  .name = "deband",
476  .description = NULL_IF_CONFIG_SMALL("Debands video."),
477  .priv_size = sizeof(DebandContext),
478  .priv_class = &deband_class,
479  .uninit = uninit,
480  .query_formats = query_formats,
481  .inputs = avfilter_vf_deband_inputs,
482  .outputs = avfilter_vf_deband_outputs,
483  .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
484  .process_command = process_command,
485 };
ff_get_video_buffer
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:97
AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:432
AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:411
td
#define td
Definition: regdef.h:70
deband_16_coupling_c
static int deband_16_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_deband.c:248
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
av_clip
#define av_clip
Definition: common.h:96
r
const char * r
Definition: vf_curves.c:116
AVERROR
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining all references to the list are updated That means that if a filter requires that its input and output have the same format amongst a supported all it has to do is use a reference to the same list of formats query_formats can leave some formats unset and return AVERROR(EAGAIN) to cause the negotiation mechanism toagain later. That can be used by filters with complex requirements to use the format negotiated on one link to set the formats supported on another. Frame references ownership and permissions
DebandContext::threshold
float threshold[4]
Definition: vf_deband.c:34
opt.h
ff_make_format_list
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:286
DebandContext::range
int range
Definition: vf_deband.c:35
out
FILE * out
Definition: movenc.c:54
ff_filter_frame
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:978
av_pix_fmt_desc_get
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2540
deband_8_coupling_c
static int deband_8_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_deband.c:183
floorf
static __device__ float floorf(float a)
Definition: cuda_runtime.h:172
inlink
The exact code depends on how similar the blocks are and how related they are to the and needs to apply these operations to the correct inlink or outlink if there are several Macros are available to factor that when no extra processing is inlink
Definition: filter_design.txt:212
av_frame_free
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:112
AV_PIX_FMT_YUVA422P9
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:424
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:303
pixdesc.h
AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:431
w
uint8_t w
Definition: llviddspenc.c:38
frand
static float frand(int x, int y)
Definition: vf_deband.c:118
AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:426
AVOption
AVOption.
Definition: opt.h:247
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_deband.c:364
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_deband.c:413
AV_PIX_FMT_YUV440P
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
AVFilter::name
const char * name
Filter name.
Definition: avfilter.h:149
ThreadData::out
AVFrame * out
Definition: af_adeclick.c:502
video.h
AVFormatContext::internal
AVFormatInternal * internal
An opaque field for libavformat internal usage.
Definition: avformat.h:1565
AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:427
AV_PIX_FMT_GRAY9
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:369
AVFrame::data
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:317
av_malloc
#define av_malloc(s)
Definition: tableprint_vlc.h:31
AVFilterFormats
A list of supported formats for one end of a filter link.
Definition: formats.h:64
DebandContext::y_pos
int * y_pos
Definition: vf_deband.c:46
AV_PIX_FMT_YUVA420P9
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:423
deband_16_c
static int deband_16_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_deband.c:315
AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:407
AV_PIX_FMT_GBRAP
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:205
cosf
#define cosf(x)
Definition: libm.h:78
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:405
AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:433
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:387
AV_PIX_FMT_GRAY16
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:373
DebandContext::deband
int(* deband)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_deband.c:48
AVFilterPad
A filter pad used for either input or output.
Definition: internal.h:54
ff_vf_deband
const AVFilter ff_vf_deband
Definition: vf_deband.c:474
AV_PIX_FMT_YUVJ411P
@ AV_PIX_FMT_YUVJ411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:248
DebandContext::shift
int shift[2]
Definition: vf_deband.c:42
av_cold
#define av_cold
Definition: attributes.h:90
inputs
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several inputs
Definition: filter_design.txt:243
AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:401
ff_set_common_formats
int ff_set_common_formats(AVFilterContext *ctx, AVFilterFormats *formats)
A helper for query_formats() which sets all links to the same list of formats.
Definition: formats.c:580
AV_PIX_FMT_YUVJ422P
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
s
#define s(width, name)
Definition: cbs_vp9.c:257
AV_PIX_FMT_YUVA420P
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:402
AV_CEIL_RSHIFT
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:51
FLAGS
#define FLAGS
Definition: vf_deband.c:52
outputs
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:290
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:386
AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:400
ctx
AVFormatContext * ctx
Definition: movenc.c:48
AV_PIX_FMT_GRAY14
#define AV_PIX_FMT_GRAY14
Definition: pixfmt.h:372
AV_PIX_FMT_YUV420P
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
cmp
static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags)
compares a block (either a full macroblock or a partition thereof) against a proposed motion-compensa...
Definition: motion_est.c:260
f
#define f(width, name)
Definition: cbs_vp9.c:255
AV_PIX_FMT_YUVJ444P
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
arg
const char * arg
Definition: jacosubdec.c:67
FFABS
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
Definition: common.h:65
AV_PIX_FMT_GRAY10
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:370
AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:408
DebandContext::planeheight
int planeheight[4]
Definition: vf_deband.c:41
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
NULL
#define NULL
Definition: coverity.c:32
av_frame_copy_props
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:537
AV_PIX_FMT_YUVJ420P
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
DebandContext::coupling
int coupling
Definition: vf_deband.c:33
src
#define src
Definition: vp8dsp.c:255
DebandContext::planewidth
int planewidth[4]
Definition: vf_deband.c:40
DebandContext
Definition: vf_deband.c:30
sinf
#define sinf(x)
Definition: libm.h:419
AV_PIX_FMT_GRAY8
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
AV_PIX_FMT_GBRP9
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:404
DebandContext::nb_components
int nb_components
Definition: vf_deband.c:39
get_avg
static int get_avg(int ref0, int ref1, int ref2, int ref3)
Definition: vf_deband.c:125
blur
static void blur(uint8_t *dst, int dst_step, const uint8_t *src, int src_step, int len, int radius, int pixsize)
Definition: vf_boxblur.c:160
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:116
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:394
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:396
avg
#define avg(a, b, c, d)
Definition: colorspacedsp_template.c:28
ff_filter_process_command
int ff_filter_process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Generic processing of user supplied commands that are set in the same way as the filter options.
Definition: avfilter.c:842
avfilter_vf_deband_inputs
static const AVFilterPad avfilter_vf_deband_inputs[]
Definition: vf_deband.c:456
AV_PIX_FMT_YUVA444P
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:167
AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:428
M_PI
#define M_PI
Definition: mathematics.h:52
src0
#define src0
Definition: h264pred.c:139
internal.h
AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
Definition: avfilter.h:126
AV_OPT_TYPE_FLOAT
@ AV_OPT_TYPE_FLOAT
Definition: opt.h:227
DebandContext::thr
int thr[4]
Definition: vf_deband.c:43
FFMIN3
#define FFMIN3(a, b, c)
Definition: macros.h:50
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:406
ff_filter_get_nb_threads
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:762
ThreadData
Used for passing data between threads.
Definition: dsddec.c:67
DebandContext::x_pos
int * x_pos
Definition: vf_deband.c:45
AV_PIX_FMT_YUVJ440P
@ AV_PIX_FMT_YUVJ440P
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range
Definition: pixfmt.h:100
deband_options
static const AVOption deband_options[]
Definition: vf_deband.c:54
AVFilterPad::name
const char * name
Pad name.
Definition: internal.h:60
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:388
DebandContext::blur
int blur
Definition: vf_deband.c:36
avfilter_vf_deband_outputs
static const AVFilterPad avfilter_vf_deband_outputs[]
Definition: vf_deband.c:466
AVFilter
Filter definition.
Definition: avfilter.h:145
OFFSET
#define OFFSET(x)
Definition: vf_deband.c:51
ret
ret
Definition: filter_design.txt:187
query_formats
static int query_formats(AVFilterContext *ctx)
Definition: vf_deband.c:72
DebandContext::direction
float direction
Definition: vf_deband.c:37
AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:425
pos
unsigned int pos
Definition: spdifenc.c:412
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:393
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:398
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:224
avfilter.h
AVFILTER_DEFINE_CLASS
AVFILTER_DEFINE_CLASS(deband)
AV_PIX_FMT_YUV444P
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
AVFilterContext
An instance of a filter.
Definition: avfilter.h:333
deband_8_c
static int deband_8_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_deband.c:134
AV_PIX_FMT_GBRP
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:158
AVFILTER_FLAG_SLICE_THREADS
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition: avfilter.h:117
desc
const char * desc
Definition: libsvtav1.c:79
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
AV_PIX_FMT_YUV422P
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
ThreadData::in
AVFrame * in
Definition: af_adenorm.c:223
AVPixFmtDescriptor
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:69
diff
static av_always_inline int diff(const uint32_t a, const uint32_t b)
Definition: vf_palettegen.c:136
AV_OPT_TYPE_BOOL
@ AV_OPT_TYPE_BOOL
Definition: opt.h:241
av_freep
#define av_freep(p)
Definition: tableprint_vlc.h:35
AV_PIX_FMT_YUV411P
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:561
AVFrame::linesize
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:334
AV_PIX_FMT_YUV410P
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
h
h
Definition: vp9dsp_template.c:2038
AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:399
AV_PIX_FMT_GRAY12
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:371
process_command
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
Definition: vf_deband.c:437
int
int
Definition: ffmpeg_filter.c:156
uninit
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_deband.c:448
AV_PIX_FMT_YUVA422P
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:166
AV_PIX_FMT_YUV420P14
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:397
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