FFmpeg  4.4.5
vf_fillborders.c
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1 /*
2  * Copyright (c) 2017 Paul B Mahol
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "libavutil/avassert.h"
22 #include "libavutil/colorspace.h"
23 #include "libavutil/common.h"
24 #include "libavutil/opt.h"
25 #include "libavutil/pixdesc.h"
26 #include "avfilter.h"
27 #include "drawutils.h"
28 #include "formats.h"
29 #include "internal.h"
30 #include "video.h"
31 
32 enum { Y, U, V, A };
33 enum { R, G, B };
34 
36 
37 typedef struct Borders {
38  int left, right, top, bottom;
39 } Borders;
40 
41 typedef struct FillBordersContext {
42  const AVClass *class;
43  int left, right, top, bottom;
44  int mode;
45 
46  int nb_planes;
47  int depth;
49  int planewidth[4];
50  int planeheight[4];
54 
57 
59 {
60  static const enum AVPixelFormat pix_fmts[] = {
80  };
82  if (!fmts_list)
83  return AVERROR(ENOMEM);
84  return ff_set_common_formats(ctx, fmts_list);
85 }
86 
88 {
89  int p, y;
90 
91  for (p = 0; p < s->nb_planes; p++) {
92  uint8_t *ptr = frame->data[p];
93  int linesize = frame->linesize[p];
94 
95  for (y = s->borders[p].top; y < s->planeheight[p] - s->borders[p].bottom; y++) {
96  memset(ptr + y * linesize,
97  *(ptr + y * linesize + s->borders[p].left),
98  s->borders[p].left);
99  memset(ptr + y * linesize + s->planewidth[p] - s->borders[p].right,
100  *(ptr + y * linesize + s->planewidth[p] - s->borders[p].right - 1),
101  s->borders[p].right);
102  }
103 
104  for (y = 0; y < s->borders[p].top; y++) {
105  memcpy(ptr + y * linesize,
106  ptr + s->borders[p].top * linesize, s->planewidth[p]);
107  }
108 
109  for (y = s->planeheight[p] - s->borders[p].bottom; y < s->planeheight[p]; y++) {
110  memcpy(ptr + y * linesize,
111  ptr + (s->planeheight[p] - s->borders[p].bottom - 1) * linesize,
112  s->planewidth[p]);
113  }
114  }
115 }
116 
118 {
119  int p, y, x;
120 
121  for (p = 0; p < s->nb_planes; p++) {
122  uint16_t *ptr = (uint16_t *)frame->data[p];
123  int linesize = frame->linesize[p] / 2;
124 
125  for (y = s->borders[p].top; y < s->planeheight[p] - s->borders[p].bottom; y++) {
126  for (x = 0; x < s->borders[p].left; x++) {
127  ptr[y * linesize + x] = *(ptr + y * linesize + s->borders[p].left);
128  }
129 
130  for (x = 0; x < s->borders[p].right; x++) {
131  ptr[y * linesize + s->planewidth[p] - s->borders[p].right + x] =
132  *(ptr + y * linesize + s->planewidth[p] - s->borders[p].right - 1);
133  }
134  }
135 
136  for (y = 0; y < s->borders[p].top; y++) {
137  memcpy(ptr + y * linesize,
138  ptr + s->borders[p].top * linesize, s->planewidth[p] * 2);
139  }
140 
141  for (y = s->planeheight[p] - s->borders[p].bottom; y < s->planeheight[p]; y++) {
142  memcpy(ptr + y * linesize,
143  ptr + (s->planeheight[p] - s->borders[p].bottom - 1) * linesize,
144  s->planewidth[p] * 2);
145  }
146  }
147 }
148 
150 {
151  int p, y, x;
152 
153  for (p = 0; p < s->nb_planes; p++) {
154  uint8_t *ptr = frame->data[p];
155  int linesize = frame->linesize[p];
156 
157  for (y = s->borders[p].top; y < s->planeheight[p] - s->borders[p].bottom; y++) {
158  for (x = 0; x < s->borders[p].left; x++) {
159  ptr[y * linesize + x] = ptr[y * linesize + s->borders[p].left * 2 - 1 - x];
160  }
161 
162  for (x = 0; x < s->borders[p].right; x++) {
163  ptr[y * linesize + s->planewidth[p] - s->borders[p].right + x] =
164  ptr[y * linesize + s->planewidth[p] - s->borders[p].right - 1 - x];
165  }
166  }
167 
168  for (y = 0; y < s->borders[p].top; y++) {
169  memcpy(ptr + y * linesize,
170  ptr + (s->borders[p].top * 2 - 1 - y) * linesize,
171  s->planewidth[p]);
172  }
173 
174  for (y = 0; y < s->borders[p].bottom; y++) {
175  memcpy(ptr + (s->planeheight[p] - s->borders[p].bottom + y) * linesize,
176  ptr + (s->planeheight[p] - s->borders[p].bottom - 1 - y) * linesize,
177  s->planewidth[p]);
178  }
179  }
180 }
181 
183 {
184  int p, y, x;
185 
186  for (p = 0; p < s->nb_planes; p++) {
187  uint16_t *ptr = (uint16_t *)frame->data[p];
188  int linesize = frame->linesize[p] / 2;
189 
190  for (y = s->borders[p].top; y < s->planeheight[p] - s->borders[p].bottom; y++) {
191  for (x = 0; x < s->borders[p].left; x++) {
192  ptr[y * linesize + x] = ptr[y * linesize + s->borders[p].left * 2 - 1 - x];
193  }
194 
195  for (x = 0; x < s->borders[p].right; x++) {
196  ptr[y * linesize + s->planewidth[p] - s->borders[p].right + x] =
197  ptr[y * linesize + s->planewidth[p] - s->borders[p].right - 1 - x];
198  }
199  }
200 
201  for (y = 0; y < s->borders[p].top; y++) {
202  memcpy(ptr + y * linesize,
203  ptr + (s->borders[p].top * 2 - 1 - y) * linesize,
204  s->planewidth[p] * 2);
205  }
206 
207  for (y = 0; y < s->borders[p].bottom; y++) {
208  memcpy(ptr + (s->planeheight[p] - s->borders[p].bottom + y) * linesize,
209  ptr + (s->planeheight[p] - s->borders[p].bottom - 1 - y) * linesize,
210  s->planewidth[p] * 2);
211  }
212  }
213 }
214 
216 {
217  int p, y;
218 
219  for (p = 0; p < s->nb_planes; p++) {
220  uint8_t *ptr = frame->data[p];
221  uint8_t fill = s->fill[p];
222  int linesize = frame->linesize[p];
223 
224  for (y = s->borders[p].top; y < s->planeheight[p] - s->borders[p].bottom; y++) {
225  memset(ptr + y * linesize, fill, s->borders[p].left);
226  memset(ptr + y * linesize + s->planewidth[p] - s->borders[p].right, fill,
227  s->borders[p].right);
228  }
229 
230  for (y = 0; y < s->borders[p].top; y++) {
231  memset(ptr + y * linesize, fill, s->planewidth[p]);
232  }
233 
234  for (y = s->planeheight[p] - s->borders[p].bottom; y < s->planeheight[p]; y++) {
235  memset(ptr + y * linesize, fill, s->planewidth[p]);
236  }
237  }
238 }
239 
241 {
242  int p, y, x;
243 
244  for (p = 0; p < s->nb_planes; p++) {
245  uint16_t *ptr = (uint16_t *)frame->data[p];
246  uint16_t fill = s->fill[p] << (s->depth - 8);
247  int linesize = frame->linesize[p] / 2;
248 
249  for (y = s->borders[p].top; y < s->planeheight[p] - s->borders[p].bottom; y++) {
250  for (x = 0; x < s->borders[p].left; x++) {
251  ptr[y * linesize + x] = fill;
252  }
253 
254  for (x = 0; x < s->borders[p].right; x++) {
255  ptr[y * linesize + s->planewidth[p] - s->borders[p].right + x] = fill;
256  }
257  }
258 
259  for (y = 0; y < s->borders[p].top; y++) {
260  for (x = 0; x < s->planewidth[p]; x++) {
261  ptr[y * linesize + x] = fill;
262  }
263  }
264 
265  for (y = s->planeheight[p] - s->borders[p].bottom; y < s->planeheight[p]; y++) {
266  for (x = 0; x < s->planewidth[p]; x++) {
267  ptr[y * linesize + x] = fill;
268  }
269  }
270  }
271 }
272 
274 {
275  int p, y, x;
276 
277  for (p = 0; p < s->nb_planes; p++) {
278  uint8_t *ptr = frame->data[p];
279  int linesize = frame->linesize[p];
280 
281  for (y = s->borders[p].top; y < s->planeheight[p] - s->borders[p].bottom; y++) {
282  for (x = 0; x < s->borders[p].left; x++) {
283  ptr[y * linesize + x] = ptr[y * linesize + s->borders[p].left * 2 - x];
284  }
285 
286  for (x = 0; x < s->borders[p].right; x++) {
287  ptr[y * linesize + s->planewidth[p] - s->borders[p].right + x] =
288  ptr[y * linesize + s->planewidth[p] - s->borders[p].right - 2 - x];
289  }
290  }
291 
292  for (y = 0; y < s->borders[p].top; y++) {
293  memcpy(ptr + y * linesize,
294  ptr + (s->borders[p].top * 2 - y) * linesize,
295  s->planewidth[p]);
296  }
297 
298  for (y = 0; y < s->borders[p].bottom; y++) {
299  memcpy(ptr + (s->planeheight[p] - s->borders[p].bottom + y) * linesize,
300  ptr + (s->planeheight[p] - s->borders[p].bottom - 2 - y) * linesize,
301  s->planewidth[p]);
302  }
303  }
304 }
305 
307 {
308  int p, y, x;
309 
310  for (p = 0; p < s->nb_planes; p++) {
311  uint16_t *ptr = (uint16_t *)frame->data[p];
312  int linesize = frame->linesize[p] / 2;
313 
314  for (y = s->borders[p].top; y < s->planeheight[p] - s->borders[p].bottom; y++) {
315  for (x = 0; x < s->borders[p].left; x++) {
316  ptr[y * linesize + x] = ptr[y * linesize + s->borders[p].left * 2 - x];
317  }
318 
319  for (x = 0; x < s->borders[p].right; x++) {
320  ptr[y * linesize + s->planewidth[p] - s->borders[p].right + x] =
321  ptr[y * linesize + s->planewidth[p] - s->borders[p].right - 2 - x];
322  }
323  }
324 
325  for (y = 0; y < s->borders[p].top; y++) {
326  memcpy(ptr + y * linesize,
327  ptr + (s->borders[p].top * 2 - y) * linesize,
328  s->planewidth[p] * 2);
329  }
330 
331  for (y = 0; y < s->borders[p].bottom; y++) {
332  memcpy(ptr + (s->planeheight[p] - s->borders[p].bottom + y) * linesize,
333  ptr + (s->planeheight[p] - s->borders[p].bottom - 2 - y) * linesize,
334  s->planewidth[p] * 2);
335  }
336  }
337 }
338 
340 {
341  int p, y, x;
342 
343  for (p = 0; p < s->nb_planes; p++) {
344  uint8_t *ptr = frame->data[p];
345  int linesize = frame->linesize[p];
346 
347  for (y = s->borders[p].top; y < s->planeheight[p] - s->borders[p].bottom; y++) {
348  for (x = 0; x < s->borders[p].left; x++) {
349  ptr[y * linesize + x] = ptr[y * linesize + s->planewidth[p] - s->borders[p].right - s->borders[p].left + x];
350  }
351 
352  for (x = 0; x < s->borders[p].right; x++) {
353  ptr[y * linesize + s->planewidth[p] - s->borders[p].right + x] =
354  ptr[y * linesize + s->borders[p].left + x];
355  }
356  }
357 
358  for (y = 0; y < s->borders[p].top; y++) {
359  memcpy(ptr + y * linesize,
360  ptr + (s->planeheight[p] - s->borders[p].bottom - s->borders[p].top + y) * linesize,
361  s->planewidth[p]);
362  }
363 
364  for (y = 0; y < s->borders[p].bottom; y++) {
365  memcpy(ptr + (s->planeheight[p] - s->borders[p].bottom + y) * linesize,
366  ptr + (s->borders[p].top + y) * linesize,
367  s->planewidth[p]);
368  }
369  }
370 }
371 
373 {
374  int p, y, x;
375 
376  for (p = 0; p < s->nb_planes; p++) {
377  uint16_t *ptr = (uint16_t *)frame->data[p];
378  int linesize = frame->linesize[p] / 2;
379 
380  for (y = s->borders[p].top; y < s->planeheight[p] - s->borders[p].bottom; y++) {
381  for (x = 0; x < s->borders[p].left; x++) {
382  ptr[y * linesize + x] = ptr[y * linesize + s->planewidth[p] - s->borders[p].right - s->borders[p].left + x];
383  }
384 
385  for (x = 0; x < s->borders[p].right; x++) {
386  ptr[y * linesize + s->planewidth[p] - s->borders[p].right + x] =
387  ptr[y * linesize + s->borders[p].left + x];
388  }
389  }
390 
391  for (y = 0; y < s->borders[p].top; y++) {
392  memcpy(ptr + y * linesize,
393  ptr + (s->planeheight[p] - s->borders[p].bottom - s->borders[p].top + y) * linesize,
394  s->planewidth[p] * 2);
395  }
396 
397  for (y = 0; y < s->borders[p].bottom; y++) {
398  memcpy(ptr + (s->planeheight[p] - s->borders[p].bottom + y) * linesize,
399  ptr + (s->borders[p].top + y) * linesize,
400  s->planewidth[p] * 2);
401  }
402  }
403 }
404 
405 static int lerp8(int fill, int src, int pos, int size)
406 {
407  return av_clip_uint8(((fill * 256 * pos / size) + (src * 256 * (size - pos) / size)) >> 8);
408 }
409 
410 static int lerp16(int fill, int src, int pos, int size, int depth)
411 {
412  return av_clip_uintp2_c(((fill * (1LL << depth) * pos / size) + (src * (1LL << depth) * (size - pos) / size)) >> depth, depth);
413 }
414 
416 {
417  int p, y, x;
418 
419  for (p = 0; p < s->nb_planes; p++) {
420  uint8_t *ptr = frame->data[p];
421  const uint8_t fill = s->fill[p];
422  const int linesize = frame->linesize[p];
423  const int start_left = s->borders[p].left;
424  const int start_right = s->planewidth[p] - s->borders[p].right;
425  const int start_top = s->borders[p].top;
426  const int start_bottom = s->planeheight[p] - s->borders[p].bottom;
427 
428  for (y = 0; y < start_top; y++) {
429  for (x = 0; x < s->planewidth[p]; x++) {
430  int src = ptr[y * linesize + x];
431  ptr[y * linesize + x] = lerp8(fill, src, start_top - y, start_top);
432  }
433  }
434 
435  for (y = start_bottom; y < s->planeheight[p]; y++) {
436  for (x = 0; x < s->planewidth[p]; x++) {
437  int src = ptr[y * linesize + x];
438  ptr[y * linesize + x] = lerp8(fill, src, y - start_bottom, s->borders[p].bottom);
439  }
440  }
441 
442  for (y = 0; y < s->planeheight[p]; y++) {
443  for (x = 0; x < start_left; x++) {
444  int src = ptr[y * linesize + x];
445  ptr[y * linesize + x] = lerp8(fill, src, start_left - x, start_left);
446  }
447 
448  for (x = 0; x < s->borders[p].right; x++) {
449  int src = ptr[y * linesize + start_right + x];
450  ptr[y * linesize + start_right + x] = lerp8(fill, src, x, s->borders[p].right);
451  }
452  }
453  }
454 }
455 
457 {
458  const int depth = s->depth;
459  int p, y, x;
460 
461  for (p = 0; p < s->nb_planes; p++) {
462  uint16_t *ptr = (uint16_t *)frame->data[p];
463  const uint16_t fill = s->fill[p] << (depth - 8);
464  const int linesize = frame->linesize[p] / 2;
465  const int start_left = s->borders[p].left;
466  const int start_right = s->planewidth[p] - s->borders[p].right;
467  const int start_top = s->borders[p].top;
468  const int start_bottom = s->planeheight[p] - s->borders[p].bottom;
469 
470  for (y = 0; y < start_top; y++) {
471  for (x = 0; x < s->planewidth[p]; x++) {
472  int src = ptr[y * linesize + x];
473  ptr[y * linesize + x] = lerp16(fill, src, start_top - y, start_top, depth);
474  }
475  }
476 
477  for (y = start_bottom; y < s->planeheight[p]; y++) {
478  for (x = 0; x < s->planewidth[p]; x++) {
479  int src = ptr[y * linesize + x];
480  ptr[y * linesize + x] = lerp16(fill, src, y - start_bottom, s->borders[p].bottom, depth);
481  }
482  }
483 
484  for (y = 0; y < s->planeheight[p]; y++) {
485  for (x = 0; x < start_left; x++) {
486  int src = ptr[y * linesize + x];
487  ptr[y * linesize + x] = lerp16(fill, src, start_left - x, start_left, depth);
488  }
489 
490  for (x = 0; x < s->borders[p].right; x++) {
491  int src = ptr[y * linesize + start_right + x];
492  ptr[y * linesize + start_right + x] = lerp16(fill, src, x, s->borders[p].right, depth);
493  }
494  }
495  }
496 }
497 
498 static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
499 {
500  FillBordersContext *s = inlink->dst->priv;
501 
502  s->fillborders(s, frame);
503 
504  return ff_filter_frame(inlink->dst->outputs[0], frame);
505 }
506 
507 static int config_input(AVFilterLink *inlink)
508 {
509  AVFilterContext *ctx = inlink->dst;
510  FillBordersContext *s = ctx->priv;
512 
513  s->nb_planes = desc->nb_components;
514  s->depth = desc->comp[0].depth;
515 
516  s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
517  s->planeheight[0] = s->planeheight[3] = inlink->h;
518  s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
519  s->planewidth[0] = s->planewidth[3] = inlink->w;
520 
521  if (inlink->w < s->left + s->right ||
522  inlink->w <= s->left ||
523  inlink->w <= s->right ||
524  inlink->h < s->top + s->bottom ||
525  inlink->h <= s->top ||
526  inlink->h <= s->bottom ||
527  inlink->w < s->left * 2 ||
528  inlink->w < s->right * 2 ||
529  inlink->h < s->top * 2 ||
530  inlink->h < s->bottom * 2) {
531  av_log(ctx, AV_LOG_ERROR, "Borders are bigger than input frame size.\n");
532  return AVERROR(EINVAL);
533  }
534 
535  s->borders[0].left = s->borders[3].left = s->left;
536  s->borders[0].right = s->borders[3].right = s->right;
537  s->borders[0].top = s->borders[3].top = s->top;
538  s->borders[0].bottom = s->borders[3].bottom = s->bottom;
539 
540  s->borders[1].left = s->left >> desc->log2_chroma_w;
541  s->borders[1].right = s->right >> desc->log2_chroma_w;
542  s->borders[1].top = s->top >> desc->log2_chroma_h;
543  s->borders[1].bottom = s->bottom >> desc->log2_chroma_h;
544 
545  s->borders[2].left = s->left >> desc->log2_chroma_w;
546  s->borders[2].right = s->right >> desc->log2_chroma_w;
547  s->borders[2].top = s->top >> desc->log2_chroma_h;
548  s->borders[2].bottom = s->bottom >> desc->log2_chroma_h;
549 
550  switch (s->mode) {
551  case FM_SMEAR: s->fillborders = s->depth <= 8 ? smear_borders8 : smear_borders16; break;
552  case FM_MIRROR: s->fillborders = s->depth <= 8 ? mirror_borders8 : mirror_borders16; break;
553  case FM_FIXED: s->fillborders = s->depth <= 8 ? fixed_borders8 : fixed_borders16; break;
554  case FM_REFLECT:s->fillborders = s->depth <= 8 ? reflect_borders8: reflect_borders16;break;
555  case FM_WRAP: s->fillborders = s->depth <= 8 ? wrap_borders8 : wrap_borders16; break;
556  case FM_FADE: s->fillborders = s->depth <= 8 ? fade_borders8 : fade_borders16; break;
557  default: av_assert0(0);
558  }
559 
560  s->yuv_color[Y] = RGB_TO_Y_CCIR(s->rgba_color[R], s->rgba_color[G], s->rgba_color[B]);
561  s->yuv_color[U] = RGB_TO_U_CCIR(s->rgba_color[R], s->rgba_color[G], s->rgba_color[B], 0);
562  s->yuv_color[V] = RGB_TO_V_CCIR(s->rgba_color[R], s->rgba_color[G], s->rgba_color[B], 0);
563  s->yuv_color[A] = s->rgba_color[A];
564 
565  if (desc->flags & AV_PIX_FMT_FLAG_RGB) {
566  uint8_t rgba_map[4];
567  int i;
568 
569  ff_fill_rgba_map(rgba_map, inlink->format);
570  for (i = 0; i < 4; i++)
571  s->fill[rgba_map[i]] = s->rgba_color[i];
572  } else {
573  memcpy(s->fill, s->yuv_color, sizeof(s->yuv_color));
574  }
575 
576  return 0;
577 }
578 
579 static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
580  char *res, int res_len, int flags)
581 {
582  int ret;
583 
584  ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
585  if (ret < 0)
586  return ret;
587 
588  return config_input(ctx->inputs[0]);
589 }
590 
591 #define OFFSET(x) offsetof(FillBordersContext, x)
592 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
593 
594 static const AVOption fillborders_options[] = {
595  { "left", "set the left fill border", OFFSET(left), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGS },
596  { "right", "set the right fill border", OFFSET(right), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGS },
597  { "top", "set the top fill border", OFFSET(top), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGS },
598  { "bottom", "set the bottom fill border", OFFSET(bottom), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGS },
599  { "mode", "set the fill borders mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=FM_SMEAR}, 0, FM_NB_MODES-1, FLAGS, "mode" },
600  { "smear", NULL, 0, AV_OPT_TYPE_CONST, {.i64=FM_SMEAR}, 0, 0, FLAGS, "mode" },
601  { "mirror", NULL, 0, AV_OPT_TYPE_CONST, {.i64=FM_MIRROR}, 0, 0, FLAGS, "mode" },
602  { "fixed", NULL, 0, AV_OPT_TYPE_CONST, {.i64=FM_FIXED}, 0, 0, FLAGS, "mode" },
603  { "reflect",NULL, 0, AV_OPT_TYPE_CONST, {.i64=FM_REFLECT},0, 0, FLAGS, "mode" },
604  { "wrap", NULL, 0, AV_OPT_TYPE_CONST, {.i64=FM_WRAP}, 0, 0, FLAGS, "mode" },
605  { "fade", NULL, 0, AV_OPT_TYPE_CONST, {.i64=FM_FADE}, 0, 0, FLAGS, "mode" },
606  { "color", "set the color for the fixed/fade mode", OFFSET(rgba_color), AV_OPT_TYPE_COLOR, {.str = "black"}, .flags = FLAGS },
607  { NULL }
608 };
609 
611 
612 static const AVFilterPad fillborders_inputs[] = {
613  {
614  .name = "default",
615  .type = AVMEDIA_TYPE_VIDEO,
616  .config_props = config_input,
617  .filter_frame = filter_frame,
618  .needs_writable = 1,
619  },
620  { NULL }
621 };
622 
624  {
625  .name = "default",
626  .type = AVMEDIA_TYPE_VIDEO,
627  },
628  { NULL }
629 };
630 
632  .name = "fillborders",
633  .description = NULL_IF_CONFIG_SMALL("Fill borders of the input video."),
634  .priv_size = sizeof(FillBordersContext),
635  .priv_class = &fillborders_class,
641 };
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
uint8_t
simple assert() macros that are a bit more flexible than ISO C assert().
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1096
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:882
Main libavfilter public API header.
#define flags(name, subs,...)
Definition: cbs_av1.c:572
#define s(width, name)
Definition: cbs_vp9.c:257
common internal and external API header
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
static av_always_inline av_const unsigned av_clip_uintp2_c(int a, int p)
Clip a signed integer to an unsigned power of two range.
Definition: common.h:302
#define av_clip_uint8
Definition: common.h:128
#define NULL
Definition: coverity.c:32
static AVFrame * frame
int ff_fill_rgba_map(uint8_t *rgba_map, enum AVPixelFormat pix_fmt)
Definition: drawutils.c:35
misc drawing utilities
mode
Use these values in ebur128_init (or'ed).
Definition: ebur128.h:83
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:587
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:286
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
@ AV_OPT_TYPE_INT
Definition: opt.h:225
@ AV_OPT_TYPE_COLOR
Definition: opt.h:240
#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
#define AVERROR(e)
Definition: error.h:43
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
for(j=16;j >0;--j)
int i
Definition: input.c:407
Various defines for YUV<->RGB conversion.
#define RGB_TO_U_CCIR(r1, g1, b1, shift)
Definition: colorspace.h:102
#define RGB_TO_Y_CCIR(r, g, b)
Definition: colorspace.h:98
#define RGB_TO_V_CCIR(r1, g1, b1, shift)
Definition: colorspace.h:106
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:309
const char * desc
Definition: libsvtav1.c:79
AVOptions.
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2573
#define AV_PIX_FMT_FLAG_RGB
The pixel format contains RGB-like data (as opposed to YUV/grayscale).
Definition: pixdesc.h:148
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:420
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:410
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:406
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:398
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:399
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:405
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:379
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:421
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:414
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:397
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:438
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:441
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:403
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:436
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:434
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:404
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:415
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:400
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:381
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:416
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:396
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:433
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:437
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:407
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
@ 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_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
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:177
@ 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:258
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:215
@ 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
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:176
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
@ 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
@ 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
#define AV_PIX_FMT_YUVA422P12
Definition: pixfmt.h:439
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:408
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:380
#define AV_PIX_FMT_GRAY14
Definition: pixfmt.h:382
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:411
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:383
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:419
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:443
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:442
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:418
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:409
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:435
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:417
#define AV_PIX_FMT_YUVA444P12
Definition: pixfmt.h:440
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:412
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:402
typedef void(RENAME(mix_any_func_type))
unsigned int pos
Definition: spdifenc.c:412
Describe the class of an AVClass context structure.
Definition: log.h:67
An instance of a filter.
Definition: avfilter.h:341
void * priv
private data for use by the filter
Definition: avfilter.h:356
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:353
A list of supported formats for one end of a filter link.
Definition: formats.h:65
A filter pad used for either input or output.
Definition: internal.h:54
const char * name
Pad name.
Definition: internal.h:60
Filter definition.
Definition: avfilter.h:145
const char * name
Filter name.
Definition: avfilter.h:149
This structure describes decoded (raw) audio or video data.
Definition: frame.h:318
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:332
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:349
AVOption.
Definition: opt.h:248
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
void(* fillborders)(struct FillBordersContext *s, AVFrame *frame)
uint8_t rgba_color[4]
uint8_t yuv_color[4]
#define av_log(a,...)
#define src
Definition: vp8dsp.c:255
AVFormatContext * ctx
Definition: movenc.c:48
int size
static void mirror_borders8(FillBordersContext *s, AVFrame *frame)
static void reflect_borders16(FillBordersContext *s, AVFrame *frame)
static void mirror_borders16(FillBordersContext *s, AVFrame *frame)
static void smear_borders8(FillBordersContext *s, AVFrame *frame)
static void fixed_borders16(FillBordersContext *s, AVFrame *frame)
static void fixed_borders8(FillBordersContext *s, AVFrame *frame)
static const AVOption fillborders_options[]
static const AVFilterPad fillborders_inputs[]
AVFILTER_DEFINE_CLASS(fillborders)
static int query_formats(AVFilterContext *ctx)
static void fade_borders16(FillBordersContext *s, AVFrame *frame)
static int config_input(AVFilterLink *inlink)
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
#define FLAGS
FillMode
@ FM_NB_MODES
@ FM_MIRROR
@ FM_SMEAR
@ FM_WRAP
@ FM_FADE
@ FM_FIXED
@ FM_REFLECT
static int lerp8(int fill, int src, int pos, int size)
static void wrap_borders8(FillBordersContext *s, AVFrame *frame)
static const AVFilterPad fillborders_outputs[]
@ V
@ A
@ Y
@ U
AVFilter ff_vf_fillborders
static void smear_borders16(FillBordersContext *s, AVFrame *frame)
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
#define OFFSET(x)
static void reflect_borders8(FillBordersContext *s, AVFrame *frame)
static void wrap_borders16(FillBordersContext *s, AVFrame *frame)
@ R
@ G
@ B
static int lerp16(int fill, int src, int pos, int size, int depth)
static void fade_borders8(FillBordersContext *s, AVFrame *frame)