FFmpeg  4.3.9
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 
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);
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 
71 
73 {
74  DebandContext *s = ctx->priv;
75 
76  static const enum AVPixelFormat pix_fmts[] = {
96  };
97 
98  static const enum AVPixelFormat cpix_fmts[] = {
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 * 12.9898 + y * 78.233) * 43758.545;
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 {
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)
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  s->x_pos = av_malloc(s->planewidth[0] * s->planeheight[0] * sizeof(*s->x_pos));
393  s->y_pos = av_malloc(s->planewidth[0] * s->planeheight[0] * sizeof(*s->y_pos));
394  if (!s->x_pos || !s->y_pos)
395  return AVERROR(ENOMEM);
396 
397  for (y = 0; y < s->planeheight[0]; y++) {
398  for (x = 0; x < s->planewidth[0]; x++) {
399  const float r = frand(x, y);
400  const float dir = direction < 0 ? -direction : r * direction;
401  const int dist = range < 0 ? -range : r * range;
402 
403  s->x_pos[y * s->planewidth[0] + x] = cosf(dir) * dist;
404  s->y_pos[y * s->planewidth[0] + x] = sinf(dir) * dist;
405  }
406  }
407 
408  return 0;
409 }
410 
411 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
412 {
413  AVFilterContext *ctx = inlink->dst;
414  AVFilterLink *outlink = ctx->outputs[0];
415  DebandContext *s = ctx->priv;
416  AVFrame *out;
417  ThreadData td;
418 
419  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
420  if (!out) {
421  av_frame_free(&in);
422  return AVERROR(ENOMEM);
423  }
424  av_frame_copy_props(out, in);
425 
426  td.in = in; td.out = out;
427  ctx->internal->execute(ctx, s->deband, &td, NULL, FFMIN3(s->planeheight[1],
428  s->planeheight[2],
430 
431  av_frame_free(&in);
432  return ff_filter_frame(outlink, out);
433 }
434 
436 {
437  DebandContext *s = ctx->priv;
438 
439  av_freep(&s->x_pos);
440  av_freep(&s->y_pos);
441 }
442 
444  {
445  .name = "default",
446  .type = AVMEDIA_TYPE_VIDEO,
447  .config_props = config_input,
448  .filter_frame = filter_frame,
449  },
450  { NULL }
451 };
452 
454  {
455  .name = "default",
456  .type = AVMEDIA_TYPE_VIDEO,
457  },
458  { NULL }
459 };
460 
462  .name = "deband",
463  .description = NULL_IF_CONFIG_SMALL("Debands video."),
464  .priv_size = sizeof(DebandContext),
465  .priv_class = &deband_class,
466  .uninit = uninit,
468  .inputs = avfilter_vf_deband_inputs,
469  .outputs = avfilter_vf_deband_outputs,
471 };
#define NULL
Definition: coverity.c:32
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:440
static const AVFilterPad avfilter_vf_deband_outputs[]
Definition: vf_deband.c:453
AVFrame * out
Definition: af_adeclick.c:494
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:432
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2549
This structure describes decoded (raw) audio or video data.
Definition: frame.h:300
AVOption.
Definition: opt.h:246
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:434
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:407
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:435
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
Main libavfilter public API header.
const char * desc
Definition: nvenc.c:79
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:413
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:377
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:401
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:104
static int query_formats(AVFilterContext *ctx)
Definition: vf_deband.c:72
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:300
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:378
AVFILTER_DEFINE_CLASS(deband)
#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
const char * name
Pad name.
Definition: internal.h:60
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:379
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1075
int thr[4]
Definition: vf_deband.c:43
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
static const AVOption deband_options[]
Definition: vf_deband.c:54
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t
#define av_cold
Definition: attributes.h:88
#define av_malloc(s)
AVOptions.
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:92
static int deband_8_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_deband.c:134
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:431
#define cosf(x)
Definition: libm.h:78
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:412
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range...
Definition: pixfmt.h:100
#define FFMIN3(a, b, c)
Definition: common.h:97
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:410
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:402
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:439
A filter pad used for either input or output.
Definition: internal.h:54
#define src
Definition: vp8dsp.c:254
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:176
float threshold[4]
Definition: vf_deband.c:34
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_deband.c:435
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:605
#define td
Definition: regdef.h:70
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
#define OFFSET(x)
Definition: vf_deband.c:51
int(* deband)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_deband.c:48
static float frand(int x, int y)
Definition: vf_deband.c:118
#define AVERROR(e)
Definition: error.h:43
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:203
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:188
const char * r
Definition: vf_curves.c:114
void * priv
private data for use by the filter
Definition: avfilter.h:353
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition: avfilter.h:116
unsigned int pos
Definition: spdifenc.c:412
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:441
const char * arg
Definition: jacosubdec.c:66
static int deband_8_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_deband.c:183
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:419
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:395
uint8_t nb_components
The number of components each pixel has, (1-4)
Definition: pixdesc.h:83
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:416
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:784
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:381
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
static int deband_16_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_deband.c:248
uint8_t w
Definition: llviddspenc.c:38
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_deband.c:411
AVFormatContext * ctx
Definition: movenc.c:48
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
Definition: common.h:72
#define s(width, name)
Definition: cbs_vp9.c:257
int nb_components
Definition: vf_deband.c:39
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
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:436
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:396
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:415
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:408
#define sinf(x)
Definition: libm.h:419
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:405
int planewidth[4]
Definition: vf_deband.c:40
Used for passing data between threads.
Definition: dsddec.c:67
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:331
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:177
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
#define AV_PIX_FMT_GRAY14
Definition: pixfmt.h:380
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;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);return NULL;} return ac;} 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;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->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);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
Describe the class of an AVClass context structure.
Definition: log.h:67
Filter definition.
Definition: avfilter.h:144
int * y_pos
Definition: vf_deband.c:46
#define src0
Definition: h264pred.c:138
const char * name
Filter name.
Definition: avfilter.h:148
#define FLAGS
Definition: vf_deband.c:52
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:394
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:350
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
int * x_pos
Definition: vf_deband.c:45
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:406
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:414
#define flags(name, subs,...)
Definition: cbs_av1.c:576
AVFilterInternal * internal
An opaque struct for libavfilter internal use.
Definition: avfilter.h:378
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:404
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:314
#define avg(a, b, c, d)
int
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
float direction
Definition: vf_deband.c:37
Y , 8bpp.
Definition: pixfmt.h:74
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:215
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:433
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
avfilter_execute_func * execute
Definition: internal.h:144
AVFilter ff_vf_deband
Definition: vf_deband.c:461
int shift[2]
Definition: vf_deband.c:42
static av_always_inline int diff(const uint32_t a, const uint32_t b)
static int config_input(AVFilterLink *inlink)
Definition: vf_deband.c:364
int planeheight[4]
Definition: vf_deband.c:41
A list of supported formats for one end of a filter link.
Definition: formats.h:64
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:258
static const AVFilterPad avfilter_vf_deband_inputs[]
Definition: vf_deband.c:443
An instance of a filter.
Definition: avfilter.h:338
FILE * out
Definition: movenc.c:54
static int get_avg(int ref0, int ref1, int ref2, int ref3)
Definition: vf_deband.c:125
#define av_freep(p)
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
#define M_PI
Definition: mathematics.h:52
AVFrame * in
Definition: af_afftdn.c:1083
internal API functions
int depth
Number of bits in the component.
Definition: pixdesc.h:58
static int deband_16_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_deband.c:315
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:409
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:659
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58