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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
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_GRAY16,
78  AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P,
79  AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P,
80  AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
81  AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUVJ440P,
82  AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
83  AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
84  AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
85  AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
86  AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12,
87  AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
88  AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
89  AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
90  AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14,
91  AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16,
92  AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
93  AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
94  AV_PIX_FMT_NONE
95  };
96 
97  static const enum AVPixelFormat cpix_fmts[] = {
98  AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P,
99  AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P9,
100  AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10,
101  AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14,
102  AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUVA444P16,
103  AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
104  AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
105  AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14,
106  AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16,
107  AV_PIX_FMT_NONE
108  };
109 
110  AVFilterFormats *fmts_list = ff_make_format_list(s->coupling ? cpix_fmts : pix_fmts);
111  if (!fmts_list)
112  return AVERROR(ENOMEM);
113 
114  return ff_set_common_formats(ctx, fmts_list);
115 }
116 
117 static float frand(int x, int y)
118 {
119  const float r = sinf(x * 12.9898 + y * 78.233) * 43758.545;
120 
121  return r - floorf(r);
122 }
123 
124 static int inline get_avg(int ref0, int ref1, int ref2, int ref3)
125 {
126  return (ref0 + ref1 + ref2 + ref3) / 4;
127 }
128 
129 typedef struct ThreadData {
130  AVFrame *in, *out;
131 } ThreadData;
132 
133 static int deband_8_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
134 {
135  DebandContext *s = ctx->priv;
136  ThreadData *td = arg;
137  AVFrame *in = td->in;
138  AVFrame *out = td->out;
139  int x, y, p;
140 
141  for (p = 0; p < s->nb_components; p++) {
142  const uint8_t *src_ptr = (const uint8_t *)in->data[p];
143  uint8_t *dst_ptr = (uint8_t *)out->data[p];
144  const int dst_linesize = out->linesize[p];
145  const int src_linesize = in->linesize[p];
146  const int thr = s->thr[p];
147  const int start = (s->planeheight[p] * jobnr ) / nb_jobs;
148  const int end = (s->planeheight[p] * (jobnr+1)) / nb_jobs;
149  const int w = s->planewidth[p] - 1;
150  const int h = s->planeheight[p] - 1;
151 
152  for (y = start; y < end; y++) {
153  const int pos = y * s->planewidth[0];
154 
155  for (x = 0; x < s->planewidth[p]; x++) {
156  const int x_pos = s->x_pos[pos + x];
157  const int y_pos = s->y_pos[pos + x];
158  const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
159  const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
160  const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
161  const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
162  const int src0 = src_ptr[y * src_linesize + x];
163 
164  if (s->blur) {
165  const int avg = get_avg(ref0, ref1, ref2, ref3);
166  const int diff = FFABS(src0 - avg);
167 
168  dst_ptr[y * dst_linesize + x] = diff < thr ? avg : src0;
169  } else {
170  dst_ptr[y * dst_linesize + x] = (FFABS(src0 - ref0) < thr) &&
171  (FFABS(src0 - ref1) < thr) &&
172  (FFABS(src0 - ref2) < thr) &&
173  (FFABS(src0 - ref3) < thr) ? get_avg(ref0, ref1, ref2, ref3) : src0;
174  }
175  }
176  }
177  }
178 
179  return 0;
180 }
181 
182 static int deband_8_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
183 {
184  DebandContext *s = ctx->priv;
185  ThreadData *td = arg;
186  AVFrame *in = td->in;
187  AVFrame *out = td->out;
188  const int start = (s->planeheight[0] * jobnr ) / nb_jobs;
189  const int end = (s->planeheight[0] * (jobnr+1)) / nb_jobs;
190  int x, y, p;
191 
192  for (y = start; y < end; y++) {
193  const int pos = y * s->planewidth[0];
194 
195  for (x = 0; x < s->planewidth[0]; x++) {
196  const int x_pos = s->x_pos[pos + x];
197  const int y_pos = s->y_pos[pos + x];
198  int avg[4], cmp[4] = { 0 }, src[4];
199 
200  for (p = 0; p < s->nb_components; p++) {
201  const uint8_t *src_ptr = (const uint8_t *)in->data[p];
202  const int src_linesize = in->linesize[p];
203  const int thr = s->thr[p];
204  const int w = s->planewidth[p] - 1;
205  const int h = s->planeheight[p] - 1;
206  const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
207  const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
208  const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
209  const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
210  const int src0 = src_ptr[y * src_linesize + x];
211 
212  src[p] = src0;
213  avg[p] = get_avg(ref0, ref1, ref2, ref3);
214 
215  if (s->blur) {
216  cmp[p] = FFABS(src0 - avg[p]) < thr;
217  } else {
218  cmp[p] = (FFABS(src0 - ref0) < thr) &&
219  (FFABS(src0 - ref1) < thr) &&
220  (FFABS(src0 - ref2) < thr) &&
221  (FFABS(src0 - ref3) < thr);
222  }
223  }
224 
225  for (p = 0; p < s->nb_components; p++)
226  if (!cmp[p])
227  break;
228  if (p == s->nb_components) {
229  for (p = 0; p < s->nb_components; p++) {
230  const int dst_linesize = out->linesize[p];
231 
232  out->data[p][y * dst_linesize + x] = avg[p];
233  }
234  } else {
235  for (p = 0; p < s->nb_components; p++) {
236  const int dst_linesize = out->linesize[p];
237 
238  out->data[p][y * dst_linesize + x] = src[p];
239  }
240  }
241  }
242  }
243 
244  return 0;
245 }
246 
247 static int deband_16_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
248 {
249  DebandContext *s = ctx->priv;
250  ThreadData *td = arg;
251  AVFrame *in = td->in;
252  AVFrame *out = td->out;
253  const int start = (s->planeheight[0] * jobnr ) / nb_jobs;
254  const int end = (s->planeheight[0] * (jobnr+1)) / nb_jobs;
255  int x, y, p, z;
256 
257  for (y = start; y < end; y++) {
258  const int pos = y * s->planewidth[0];
259 
260  for (x = 0; x < s->planewidth[0]; x++) {
261  const int x_pos = s->x_pos[pos + x];
262  const int y_pos = s->y_pos[pos + x];
263  int avg[4], cmp[4] = { 0 }, src[4];
264 
265  for (p = 0; p < s->nb_components; p++) {
266  const uint16_t *src_ptr = (const uint16_t *)in->data[p];
267  const int src_linesize = in->linesize[p] / 2;
268  const int thr = s->thr[p];
269  const int w = s->planewidth[p] - 1;
270  const int h = s->planeheight[p] - 1;
271  const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
272  const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
273  const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
274  const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
275  const int src0 = src_ptr[y * src_linesize + x];
276 
277  src[p] = src0;
278  avg[p] = get_avg(ref0, ref1, ref2, ref3);
279 
280  if (s->blur) {
281  cmp[p] = FFABS(src0 - avg[p]) < thr;
282  } else {
283  cmp[p] = (FFABS(src0 - ref0) < thr) &&
284  (FFABS(src0 - ref1) < thr) &&
285  (FFABS(src0 - ref2) < thr) &&
286  (FFABS(src0 - ref3) < thr);
287  }
288  }
289 
290  for (z = 0; z < s->nb_components; z++)
291  if (!cmp[z])
292  break;
293  if (z == s->nb_components) {
294  for (p = 0; p < s->nb_components; p++) {
295  const int dst_linesize = out->linesize[p] / 2;
296  uint16_t *dst = (uint16_t *)out->data[p] + y * dst_linesize + x;
297 
298  dst[0] = avg[p];
299  }
300  } else {
301  for (p = 0; p < s->nb_components; p++) {
302  const int dst_linesize = out->linesize[p] / 2;
303  uint16_t *dst = (uint16_t *)out->data[p] + y * dst_linesize + x;
304 
305  dst[0] = src[p];
306  }
307  }
308  }
309  }
310 
311  return 0;
312 }
313 
314 static int deband_16_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
315 {
316  DebandContext *s = ctx->priv;
317  ThreadData *td = arg;
318  AVFrame *in = td->in;
319  AVFrame *out = td->out;
320  int x, y, p;
321 
322  for (p = 0; p < s->nb_components; p++) {
323  const uint16_t *src_ptr = (const uint16_t *)in->data[p];
324  uint16_t *dst_ptr = (uint16_t *)out->data[p];
325  const int dst_linesize = out->linesize[p] / 2;
326  const int src_linesize = in->linesize[p] / 2;
327  const int thr = s->thr[p];
328  const int start = (s->planeheight[p] * jobnr ) / nb_jobs;
329  const int end = (s->planeheight[p] * (jobnr+1)) / nb_jobs;
330  const int w = s->planewidth[p] - 1;
331  const int h = s->planeheight[p] - 1;
332 
333  for (y = start; y < end; y++) {
334  const int pos = y * s->planewidth[0];
335 
336  for (x = 0; x < s->planewidth[p]; x++) {
337  const int x_pos = s->x_pos[pos + x];
338  const int y_pos = s->y_pos[pos + x];
339  const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
340  const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
341  const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
342  const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
343  const int src0 = src_ptr[y * src_linesize + x];
344 
345  if (s->blur) {
346  const int avg = get_avg(ref0, ref1, ref2, ref3);
347  const int diff = FFABS(src0 - avg);
348 
349  dst_ptr[y * dst_linesize + x] = diff < thr ? avg : src0;
350  } else {
351  dst_ptr[y * dst_linesize + x] = (FFABS(src0 - ref0) < thr) &&
352  (FFABS(src0 - ref1) < thr) &&
353  (FFABS(src0 - ref2) < thr) &&
354  (FFABS(src0 - ref3) < thr) ? get_avg(ref0, ref1, ref2, ref3) : src0;
355  }
356  }
357  }
358  }
359 
360  return 0;
361 }
362 
363 static int config_input(AVFilterLink *inlink)
364 {
365  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
366  AVFilterContext *ctx = inlink->dst;
367  DebandContext *s = ctx->priv;
368  const float direction = s->direction;
369  const int range = s->range;
370  int x, y;
371 
372  s->nb_components = desc->nb_components;
373 
374  s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
375  s->planeheight[0] = s->planeheight[3] = inlink->h;
376  s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
377  s->planewidth[0] = s->planewidth[3] = inlink->w;
378  s->shift[0] = desc->log2_chroma_w;
379  s->shift[1] = desc->log2_chroma_h;
380 
381  if (s->coupling)
382  s->deband = desc->comp[0].depth > 8 ? deband_16_coupling_c : deband_8_coupling_c;
383  else
384  s->deband = desc->comp[0].depth > 8 ? deband_16_c : deband_8_c;
385 
386  s->thr[0] = ((1 << desc->comp[0].depth) - 1) * s->threshold[0];
387  s->thr[1] = ((1 << desc->comp[1].depth) - 1) * s->threshold[1];
388  s->thr[2] = ((1 << desc->comp[2].depth) - 1) * s->threshold[2];
389  s->thr[3] = ((1 << desc->comp[3].depth) - 1) * s->threshold[3];
390 
391  s->x_pos = av_malloc(s->planewidth[0] * s->planeheight[0] * sizeof(*s->x_pos));
392  s->y_pos = av_malloc(s->planewidth[0] * s->planeheight[0] * sizeof(*s->y_pos));
393  if (!s->x_pos || !s->y_pos)
394  return AVERROR(ENOMEM);
395 
396  for (y = 0; y < s->planeheight[0]; y++) {
397  for (x = 0; x < s->planewidth[0]; x++) {
398  const float r = frand(x, y);
399  const float dir = direction < 0 ? -direction : r * direction;
400  const int dist = range < 0 ? -range : r * range;
401 
402  s->x_pos[y * s->planewidth[0] + x] = cosf(dir) * dist;
403  s->y_pos[y * s->planewidth[0] + x] = sinf(dir) * dist;
404  }
405  }
406 
407  return 0;
408 }
409 
410 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
411 {
412  AVFilterContext *ctx = inlink->dst;
413  AVFilterLink *outlink = ctx->outputs[0];
414  DebandContext *s = ctx->priv;
415  AVFrame *out;
416  ThreadData td;
417 
418  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
419  if (!out) {
420  av_frame_free(&in);
421  return AVERROR(ENOMEM);
422  }
423  av_frame_copy_props(out, in);
424 
425  td.in = in; td.out = out;
426  ctx->internal->execute(ctx, s->deband, &td, NULL, FFMIN3(s->planeheight[1],
427  s->planeheight[2],
428  ff_filter_get_nb_threads(ctx)));
429 
430  av_frame_free(&in);
431  return ff_filter_frame(outlink, out);
432 }
433 
434 static av_cold void uninit(AVFilterContext *ctx)
435 {
436  DebandContext *s = ctx->priv;
437 
438  av_freep(&s->x_pos);
439  av_freep(&s->y_pos);
440 }
441 
442 static const AVFilterPad avfilter_vf_deband_inputs[] = {
443  {
444  .name = "default",
445  .type = AVMEDIA_TYPE_VIDEO,
446  .config_props = config_input,
447  .filter_frame = filter_frame,
448  },
449  { NULL }
450 };
451 
452 static const AVFilterPad avfilter_vf_deband_outputs[] = {
453  {
454  .name = "default",
455  .type = AVMEDIA_TYPE_VIDEO,
456  },
457  { NULL }
458 };
459 
460 AVFilter ff_vf_deband = {
461  .name = "deband",
462  .description = NULL_IF_CONFIG_SMALL("Debands video."),
463  .priv_size = sizeof(DebandContext),
464  .priv_class = &deband_class,
465  .uninit = uninit,
466  .query_formats = query_formats,
467  .inputs = avfilter_vf_deband_inputs,
468  .outputs = avfilter_vf_deband_outputs,
469  .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
470 };
NULL
#define NULL
Definition: coverity.c:32
AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:420
avfilter_vf_deband_outputs
static const AVFilterPad avfilter_vf_deband_outputs[]
Definition: vf_deband.c:452
ThreadData::out
AVFrame * out
Definition: af_adeclick.c:485
AV_PIX_FMT_YUVA422P9
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:414
av_pix_fmt_desc_get
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2446
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:226
h
h
Definition: vp9dsp_template.c:2038
AVOption
AVOption.
Definition: opt.h:246
AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:416
AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:389
AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:417
AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
avfilter.h
Main libavfilter public API header.
desc
const char * desc
Definition: nvenc.c:65
AV_OPT_TYPE_INT
Definition: opt.h:223
AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:395
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
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:383
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:99
src
#define src
Definition: vp8dsp.c:254
query_formats
static int query_formats(AVFilterContext *ctx)
Definition: vf_deband.c:72
AVPixFmtDescriptor::log2_chroma_w
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
ff_make_format_list
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:283
AVFILTER_DEFINE_CLASS
AVFILTER_DEFINE_CLASS(deband)
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:125
AVFilterPad::name
const char * name
Pad name.
Definition: internal.h:60
ff_filter_frame
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1080
ThreadData::in
AVFrame * in
Definition: af_afftdn.c:1082
DebandContext::thr
int thr[4]
Definition: vf_deband.c:43
AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
deband_options
static const AVOption deband_options[]
Definition: vf_deband.c:54
AVPixFmtDescriptor::comp
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t
uint8_t
Definition: audio_convert.c:194
av_cold
#define av_cold
Definition: attributes.h:82
av_malloc
#define av_malloc(s)
Definition: tableprint_vlc.h:31
opt.h
AVOptions.
end
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
deband_8_c
static int deband_8_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_deband.c:133
AV_PIX_FMT_YUVA420P9
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:413
cosf
#define cosf(x)
Definition: libm.h:78
AV_PIX_FMT_GBRP9
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:394
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
FFMIN3
#define FFMIN3(a, b, c)
Definition: common.h:97
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_YUV444P16
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:392
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:384
AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:419
AVFilterPad
A filter pad used for either input or output.
Definition: internal.h:54
AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:176
DebandContext::threshold
float threshold[4]
Definition: vf_deband.c:34
uninit
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_deband.c:434
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:568
td
#define td
Definition: regdef.h:70
AVPixFmtDescriptor::log2_chroma_h
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
OFFSET
#define OFFSET(x)
Definition: vf_deband.c:51
frand
static float frand(int x, int y)
Definition: vf_deband.c:117
AVERROR
#define AVERROR(e)
Definition: error.h:43
av_frame_free
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:202
AV_OPT_TYPE_FLOAT
Definition: opt.h:226
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:186
r
const char * r
Definition: vf_curves.c:114
AVFilterContext::priv
void * priv
private data for use by the filter
Definition: avfilter.h:353
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:116
AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:421
arg
const char * arg
Definition: jacosubdec.c:66
deband_8_coupling_c
static int deband_8_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_deband.c:182
AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:401
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_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:377
AVPixFmtDescriptor::nb_components
uint8_t nb_components
The number of components each pixel has, (1-4)
Definition: pixdesc.h:83
AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:398
ff_filter_get_nb_threads
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:802
AV_PIX_FMT_GRAY16
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:363
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
deband_16_coupling_c
static int deband_16_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_deband.c:247
w
uint8_t w
Definition: llviddspenc.c:38
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_deband.c:410
ctx
AVFormatContext * ctx
Definition: movenc.c:48
AV_OPT_TYPE_BOOL
Definition: opt.h:240
FFABS
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
Definition: common.h:72
s
#define s(width, name)
Definition: cbs_vp9.c:257
DebandContext::nb_components
int nb_components
Definition: vf_deband.c:39
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
AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:418
inputs
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:378
AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:397
outputs
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:390
sinf
#define sinf(x)
Definition: libm.h:419
AV_PIX_FMT_YUV420P14
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:387
DebandContext::planewidth
int planewidth[4]
Definition: vf_deband.c:40
ThreadData
Used for passing data between threads.
Definition: af_adeclick.c:484
AVFrame::linesize
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:257
AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:177
AVPixFmtDescriptor
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
in
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> in
Definition: audio_convert.c:194
AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:67
AVFilter
Filter definition.
Definition: avfilter.h:144
DebandContext::y_pos
int * y_pos
Definition: vf_deband.c:46
src0
#define src0
Definition: h264pred.c:138
AVFilter::name
const char * name
Filter name.
Definition: avfilter.h:148
FLAGS
#define FLAGS
Definition: vf_deband.c:52
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:376
AVFilterContext::outputs
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:350
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:266
DebandContext::x_pos
int * x_pos
Definition: vf_deband.c:45
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:388
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:396
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:596
AVFilterContext::internal
AVFilterInternal * internal
An opaque struct for libavfilter internal use.
Definition: avfilter.h:378
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:386
AVFrame::data
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:240
avg
#define avg(a, b, c, d)
Definition: colorspacedsp_template.c:28
int
int
Definition: ffmpeg_filter.c:191
AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
DebandContext::direction
float direction
Definition: vf_deband.c:37
AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:215
AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:415
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_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
AVFilterInternal::execute
avfilter_execute_func * execute
Definition: internal.h:155
DebandContext::deband
int(* deband)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_deband.c:48
ff_vf_deband
AVFilter ff_vf_deband
Definition: vf_deband.c:460
DebandContext::shift
int shift[2]
Definition: vf_deband.c:42
diff
static av_always_inline int diff(const uint32_t a, const uint32_t b)
Definition: vf_palettegen.c:136
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_deband.c:363
DebandContext::planeheight
int planeheight[4]
Definition: vf_deband.c:41
AVFilterFormats
A list of supported formats for one end of a filter link.
Definition: formats.h:64
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
avfilter_vf_deband_inputs
static const AVFilterPad avfilter_vf_deband_inputs[]
Definition: vf_deband.c:442
AVFilterContext
An instance of a filter.
Definition: avfilter.h:338
out
FILE * out
Definition: movenc.c:54
get_avg
static int get_avg(int ref0, int ref1, int ref2, int ref3)
Definition: vf_deband.c:124
av_freep
#define av_freep(p)
Definition: tableprint_vlc.h:35
AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
start
void INT64 start
Definition: avisynth_c.h:690
AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
M_PI
#define M_PI
Definition: mathematics.h:52
internal.h
internal API functions
AVComponentDescriptor::depth
int depth
Number of bits in the component.
Definition: pixdesc.h:58
deband_16_c
static int deband_16_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_deband.c:314
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:391
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:654
AV_CEIL_RSHIFT
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
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