FFmpeg: libavfilter/vf_w3fdif.c Source File

FFmpeg
vf_w3fdif.c
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1 /*
2  * Copyright (C) 2012 British Broadcasting Corporation, All Rights Reserved
3  * Author of de-interlace algorithm: Jim Easterbrook for BBC R&D
4  * Based on the process described by Martin Weston for BBC R&D
5  * Author of FFmpeg filter: Mark Himsley for BBC Broadcast Systems Development
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #include "libavutil/common.h"
25 #include "libavutil/imgutils.h"
26 #include "libavutil/opt.h"
27 #include "libavutil/pixdesc.h"
28 #include "avfilter.h"
29 #include "formats.h"
30 #include "internal.h"
31 #include "video.h"
32 #include "w3fdif.h"
33 
34  typedef struct W3FDIFContext {
35   const AVClass *class;
36   int filter; ///< 0 is simple, 1 is more complex
37   int deint; ///< which frames to deinterlace
38   int linesize[4]; ///< bytes of pixel data per line for each plane
39   int planeheight[4]; ///< height of each plane
40   int field; ///< which field are we on, 0 or 1
41   int eof;
42   int nb_planes;
43   AVFrame *prev, *cur, *next; ///< previous, current, next frames
44   int32_t **work_line; ///< lines we are calculating
45   int nb_threads;
46   int max;
47 
48   W3FDIFDSPContext dsp;
49 } W3FDIFContext;
50 
51  #define OFFSET(x) offsetof(W3FDIFContext, x)
52  #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
53  #define CONST(name, help, val, unit) { name, help, 0, AV_OPT_TYPE_CONST, {.i64=val}, 0, 0, FLAGS, unit }
54 
55  static const AVOption w3fdif_options[] = {
56  { "filter", "specify the filter", OFFSET(filter), AV_OPT_TYPE_INT, {.i64=1}, 0, 1, FLAGS, "filter" },
57  CONST("simple", NULL, 0, "filter"),
58  CONST("complex", NULL, 1, "filter"),
59  { "deint", "specify which frames to deinterlace", OFFSET(deint), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS, "deint" },
60  CONST("all", "deinterlace all frames", 0, "deint"),
61  CONST("interlaced", "only deinterlace frames marked as interlaced", 1, "deint"),
62  { NULL }
63 };
64 
65 AVFILTER_DEFINE_CLASS(w3fdif);
66 
67  static int query_formats(AVFilterContext *ctx)
68 {
69  static const enum AVPixelFormat pix_fmts[] = {
70  AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P,
71  AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P,
72  AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
73  AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P,
74  AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
75  AV_PIX_FMT_YUVJ411P,
76  AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
77  AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
78  AV_PIX_FMT_GRAY8,
79  AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
80  AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
81  AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12,
82  AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
83  AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14,
84  AV_PIX_FMT_NONE
85  };
86 
87  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
88  if (!fmts_list)
89  return AVERROR(ENOMEM);
90  return ff_set_common_formats(ctx, fmts_list);
91 }
92 
93  static void filter_simple_low(int32_t *work_line,
94  uint8_t *in_lines_cur[2],
95  const int16_t *coef, int linesize)
96 {
97  int i;
98 
99  for (i = 0; i < linesize; i++) {
100  *work_line = *in_lines_cur[0]++ * coef[0];
101  *work_line++ += *in_lines_cur[1]++ * coef[1];
102  }
103 }
104 
105  static void filter_complex_low(int32_t *work_line,
106  uint8_t *in_lines_cur[4],
107  const int16_t *coef, int linesize)
108 {
109  int i;
110 
111  for (i = 0; i < linesize; i++) {
112  *work_line = *in_lines_cur[0]++ * coef[0];
113  *work_line += *in_lines_cur[1]++ * coef[1];
114  *work_line += *in_lines_cur[2]++ * coef[2];
115  *work_line++ += *in_lines_cur[3]++ * coef[3];
116  }
117 }
118 
119  static void filter_simple_high(int32_t *work_line,
120  uint8_t *in_lines_cur[3],
121  uint8_t *in_lines_adj[3],
122  const int16_t *coef, int linesize)
123 {
124  int i;
125 
126  for (i = 0; i < linesize; i++) {
127  *work_line += *in_lines_cur[0]++ * coef[0];
128  *work_line += *in_lines_adj[0]++ * coef[0];
129  *work_line += *in_lines_cur[1]++ * coef[1];
130  *work_line += *in_lines_adj[1]++ * coef[1];
131  *work_line += *in_lines_cur[2]++ * coef[2];
132  *work_line++ += *in_lines_adj[2]++ * coef[2];
133  }
134 }
135 
136  static void filter_complex_high(int32_t *work_line,
137  uint8_t *in_lines_cur[5],
138  uint8_t *in_lines_adj[5],
139  const int16_t *coef, int linesize)
140 {
141  int i;
142 
143  for (i = 0; i < linesize; i++) {
144  *work_line += *in_lines_cur[0]++ * coef[0];
145  *work_line += *in_lines_adj[0]++ * coef[0];
146  *work_line += *in_lines_cur[1]++ * coef[1];
147  *work_line += *in_lines_adj[1]++ * coef[1];
148  *work_line += *in_lines_cur[2]++ * coef[2];
149  *work_line += *in_lines_adj[2]++ * coef[2];
150  *work_line += *in_lines_cur[3]++ * coef[3];
151  *work_line += *in_lines_adj[3]++ * coef[3];
152  *work_line += *in_lines_cur[4]++ * coef[4];
153  *work_line++ += *in_lines_adj[4]++ * coef[4];
154  }
155 }
156 
157  static void filter_scale(uint8_t *out_pixel, const int32_t *work_pixel, int linesize, int max)
158 {
159  int j;
160 
161  for (j = 0; j < linesize; j++, out_pixel++, work_pixel++)
162  *out_pixel = av_clip(*work_pixel, 0, 255 * 256 * 128) >> 15;
163 }
164 
165  static void filter16_simple_low(int32_t *work_line,
166  uint8_t *in_lines_cur8[2],
167  const int16_t *coef, int linesize)
168 {
169  uint16_t *in_lines_cur[2] = { (uint16_t *)in_lines_cur8[0], (uint16_t *)in_lines_cur8[1] };
170  int i;
171 
172  linesize /= 2;
173  for (i = 0; i < linesize; i++) {
174  *work_line = *in_lines_cur[0]++ * coef[0];
175  *work_line++ += *in_lines_cur[1]++ * coef[1];
176  }
177 }
178 
179  static void filter16_complex_low(int32_t *work_line,
180  uint8_t *in_lines_cur8[4],
181  const int16_t *coef, int linesize)
182 {
183  uint16_t *in_lines_cur[4] = { (uint16_t *)in_lines_cur8[0],
184  (uint16_t *)in_lines_cur8[1],
185  (uint16_t *)in_lines_cur8[2],
186  (uint16_t *)in_lines_cur8[3] };
187  int i;
188 
189  linesize /= 2;
190  for (i = 0; i < linesize; i++) {
191  *work_line = *in_lines_cur[0]++ * coef[0];
192  *work_line += *in_lines_cur[1]++ * coef[1];
193  *work_line += *in_lines_cur[2]++ * coef[2];
194  *work_line++ += *in_lines_cur[3]++ * coef[3];
195  }
196 }
197 
198  static void filter16_simple_high(int32_t *work_line,
199  uint8_t *in_lines_cur8[3],
200  uint8_t *in_lines_adj8[3],
201  const int16_t *coef, int linesize)
202 {
203  uint16_t *in_lines_cur[3] = { (uint16_t *)in_lines_cur8[0],
204  (uint16_t *)in_lines_cur8[1],
205  (uint16_t *)in_lines_cur8[2] };
206  uint16_t *in_lines_adj[3] = { (uint16_t *)in_lines_adj8[0],
207  (uint16_t *)in_lines_adj8[1],
208  (uint16_t *)in_lines_adj8[2] };
209  int i;
210 
211  linesize /= 2;
212  for (i = 0; i < linesize; i++) {
213  *work_line += *in_lines_cur[0]++ * coef[0];
214  *work_line += *in_lines_adj[0]++ * coef[0];
215  *work_line += *in_lines_cur[1]++ * coef[1];
216  *work_line += *in_lines_adj[1]++ * coef[1];
217  *work_line += *in_lines_cur[2]++ * coef[2];
218  *work_line++ += *in_lines_adj[2]++ * coef[2];
219  }
220 }
221 
222  static void filter16_complex_high(int32_t *work_line,
223  uint8_t *in_lines_cur8[5],
224  uint8_t *in_lines_adj8[5],
225  const int16_t *coef, int linesize)
226 {
227  uint16_t *in_lines_cur[5] = { (uint16_t *)in_lines_cur8[0],
228  (uint16_t *)in_lines_cur8[1],
229  (uint16_t *)in_lines_cur8[2],
230  (uint16_t *)in_lines_cur8[3],
231  (uint16_t *)in_lines_cur8[4] };
232  uint16_t *in_lines_adj[5] = { (uint16_t *)in_lines_adj8[0],
233  (uint16_t *)in_lines_adj8[1],
234  (uint16_t *)in_lines_adj8[2],
235  (uint16_t *)in_lines_adj8[3],
236  (uint16_t *)in_lines_adj8[4] };
237  int i;
238 
239  linesize /= 2;
240  for (i = 0; i < linesize; i++) {
241  *work_line += *in_lines_cur[0]++ * coef[0];
242  *work_line += *in_lines_adj[0]++ * coef[0];
243  *work_line += *in_lines_cur[1]++ * coef[1];
244  *work_line += *in_lines_adj[1]++ * coef[1];
245  *work_line += *in_lines_cur[2]++ * coef[2];
246  *work_line += *in_lines_adj[2]++ * coef[2];
247  *work_line += *in_lines_cur[3]++ * coef[3];
248  *work_line += *in_lines_adj[3]++ * coef[3];
249  *work_line += *in_lines_cur[4]++ * coef[4];
250  *work_line++ += *in_lines_adj[4]++ * coef[4];
251  }
252 }
253 
254  static void filter16_scale(uint8_t *out_pixel8, const int32_t *work_pixel, int linesize, int max)
255 {
256  uint16_t *out_pixel = (uint16_t *)out_pixel8;
257  int j;
258 
259  linesize /= 2;
260  for (j = 0; j < linesize; j++, out_pixel++, work_pixel++)
261  *out_pixel = av_clip(*work_pixel, 0, max) >> 15;
262 }
263 
264  static int config_input(AVFilterLink *inlink)
265 {
266  AVFilterContext *ctx = inlink->dst;
267  W3FDIFContext *s = ctx->priv;
268  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
269  int ret, i, depth;
270 
271  if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0)
272  return ret;
273 
274  s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
275  s->planeheight[0] = s->planeheight[3] = inlink->h;
276 
277  s->nb_planes = av_pix_fmt_count_planes(inlink->format);
278  s->nb_threads = ff_filter_get_nb_threads(ctx);
279  s->work_line = av_calloc(s->nb_threads, sizeof(*s->work_line));
280  if (!s->work_line)
281  return AVERROR(ENOMEM);
282 
283  for (i = 0; i < s->nb_threads; i++) {
284  s->work_line[i] = av_calloc(FFALIGN(s->linesize[0], 32), sizeof(*s->work_line[0]));
285  if (!s->work_line[i])
286  return AVERROR(ENOMEM);
287  }
288 
289  depth = desc->comp[0].depth;
290  s->max = ((1 << depth) - 1) * 256 * 128;
291  if (depth <= 8) {
292  s->dsp.filter_simple_low = filter_simple_low;
293  s->dsp.filter_complex_low = filter_complex_low;
294  s->dsp.filter_simple_high = filter_simple_high;
295  s->dsp.filter_complex_high = filter_complex_high;
296  s->dsp.filter_scale = filter_scale;
297  } else {
298  s->dsp.filter_simple_low = filter16_simple_low;
299  s->dsp.filter_complex_low = filter16_complex_low;
300  s->dsp.filter_simple_high = filter16_simple_high;
301  s->dsp.filter_complex_high = filter16_complex_high;
302  s->dsp.filter_scale = filter16_scale;
303  }
304 
305  if (ARCH_X86)
306  ff_w3fdif_init_x86(&s->dsp, depth);
307 
308  return 0;
309 }
310 
311  static int config_output(AVFilterLink *outlink)
312 {
313  AVFilterLink *inlink = outlink->src->inputs[0];
314 
315  outlink->time_base.num = inlink->time_base.num;
316  outlink->time_base.den = inlink->time_base.den * 2;
317  outlink->frame_rate.num = inlink->frame_rate.num * 2;
318  outlink->frame_rate.den = inlink->frame_rate.den;
319 
320  return 0;
321 }
322 
323 /*
324  * Filter coefficients from PH-2071, scaled by 256 * 128.
325  * Each set of coefficients has a set for low-frequencies and high-frequencies.
326  * n_coef_lf[] and n_coef_hf[] are the number of coefs for simple and more-complex.
327  * It is important for later that n_coef_lf[] is even and n_coef_hf[] is odd.
328  * coef_lf[][] and coef_hf[][] are the coefficients for low-frequencies
329  * and high-frequencies for simple and more-complex mode.
330  */
331  static const int8_t n_coef_lf[2] = { 2, 4 };
332  static const int16_t coef_lf[2][4] = {{ 16384, 16384, 0, 0},
333  { -852, 17236, 17236, -852}};
334  static const int8_t n_coef_hf[2] = { 3, 5 };
335  static const int16_t coef_hf[2][5] = {{ -2048, 4096, -2048, 0, 0},
336  { 1016, -3801, 5570, -3801, 1016}};
337 
338 typedef struct ThreadData {
339   AVFrame *out, *cur, *adj;
340  int plane;
341 } ThreadData;
342 
343  static int deinterlace_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
344 {
345  W3FDIFContext *s = ctx->priv;
346  ThreadData *td = arg;
347  AVFrame *out = td->out;
348  AVFrame *cur = td->cur;
349  AVFrame *adj = td->adj;
350  const int plane = td->plane;
351  const int filter = s->filter;
352  uint8_t *in_line, *in_lines_cur[5], *in_lines_adj[5];
353  uint8_t *out_line, *out_pixel;
354  int32_t *work_line, *work_pixel;
355  uint8_t *cur_data = cur->data[plane];
356  uint8_t *adj_data = adj->data[plane];
357  uint8_t *dst_data = out->data[plane];
358  const int linesize = s->linesize[plane];
359  const int height = s->planeheight[plane];
360  const int cur_line_stride = cur->linesize[plane];
361  const int adj_line_stride = adj->linesize[plane];
362  const int dst_line_stride = out->linesize[plane];
363  const int start = (height * jobnr) / nb_jobs;
364  const int end = (height * (jobnr+1)) / nb_jobs;
365  const int max = s->max;
366  int j, y_in, y_out;
367 
368  /* copy unchanged the lines of the field */
369  y_out = start + ((s->field == cur->top_field_first) ^ (start & 1));
370 
371  in_line = cur_data + (y_out * cur_line_stride);
372  out_line = dst_data + (y_out * dst_line_stride);
373 
374  while (y_out < end) {
375  memcpy(out_line, in_line, linesize);
376  y_out += 2;
377  in_line += cur_line_stride * 2;
378  out_line += dst_line_stride * 2;
379  }
380 
381  /* interpolate other lines of the field */
382  y_out = start + ((s->field != cur->top_field_first) ^ (start & 1));
383 
384  out_line = dst_data + (y_out * dst_line_stride);
385 
386  while (y_out < end) {
387  /* get low vertical frequencies from current field */
388  for (j = 0; j < n_coef_lf[filter]; j++) {
389  y_in = (y_out + 1) + (j * 2) - n_coef_lf[filter];
390 
391  while (y_in < 0)
392  y_in += 2;
393  while (y_in >= height)
394  y_in -= 2;
395 
396  in_lines_cur[j] = cur_data + (y_in * cur_line_stride);
397  }
398 
399  work_line = s->work_line[jobnr];
400  switch (n_coef_lf[filter]) {
401  case 2:
402  s->dsp.filter_simple_low(work_line, in_lines_cur,
403  coef_lf[filter], linesize);
404  break;
405  case 4:
406  s->dsp.filter_complex_low(work_line, in_lines_cur,
407  coef_lf[filter], linesize);
408  }
409 
410  /* get high vertical frequencies from adjacent fields */
411  for (j = 0; j < n_coef_hf[filter]; j++) {
412  y_in = (y_out + 1) + (j * 2) - n_coef_hf[filter];
413 
414  while (y_in < 0)
415  y_in += 2;
416  while (y_in >= height)
417  y_in -= 2;
418 
419  in_lines_cur[j] = cur_data + (y_in * cur_line_stride);
420  in_lines_adj[j] = adj_data + (y_in * adj_line_stride);
421  }
422 
423  work_line = s->work_line[jobnr];
424  switch (n_coef_hf[filter]) {
425  case 3:
426  s->dsp.filter_simple_high(work_line, in_lines_cur, in_lines_adj,
427  coef_hf[filter], linesize);
428  break;
429  case 5:
430  s->dsp.filter_complex_high(work_line, in_lines_cur, in_lines_adj,
431  coef_hf[filter], linesize);
432  }
433 
434  /* save scaled result to the output frame, scaling down by 256 * 128 */
435  work_pixel = s->work_line[jobnr];
436  out_pixel = out_line;
437 
438  s->dsp.filter_scale(out_pixel, work_pixel, linesize, max);
439 
440  /* move on to next line */
441  y_out += 2;
442  out_line += dst_line_stride * 2;
443  }
444 
445  return 0;
446 }
447 
448  static int filter(AVFilterContext *ctx, int is_second)
449 {
450  W3FDIFContext *s = ctx->priv;
451  AVFilterLink *outlink = ctx->outputs[0];
452  AVFrame *out, *adj;
453  ThreadData td;
454  int plane;
455 
456  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
457  if (!out)
458  return AVERROR(ENOMEM);
459  av_frame_copy_props(out, s->cur);
460  out->interlaced_frame = 0;
461 
462  if (!is_second) {
463  if (out->pts != AV_NOPTS_VALUE)
464  out->pts *= 2;
465  } else {
466  int64_t cur_pts = s->cur->pts;
467  int64_t next_pts = s->next->pts;
468 
469  if (next_pts != AV_NOPTS_VALUE && cur_pts != AV_NOPTS_VALUE) {
470  out->pts = cur_pts + next_pts;
471  } else {
472  out->pts = AV_NOPTS_VALUE;
473  }
474  }
475 
476  adj = s->field ? s->next : s->prev;
477  td.out = out; td.cur = s->cur; td.adj = adj;
478  for (plane = 0; plane < s->nb_planes; plane++) {
479  td.plane = plane;
480  ctx->internal->execute(ctx, deinterlace_slice, &td, NULL, FFMIN(s->planeheight[plane], s->nb_threads));
481  }
482 
483  s->field = !s->field;
484 
485  return ff_filter_frame(outlink, out);
486 }
487 
488  static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
489 {
490  AVFilterContext *ctx = inlink->dst;
491  W3FDIFContext *s = ctx->priv;
492  int ret;
493 
494  av_frame_free(&s->prev);
495  s->prev = s->cur;
496  s->cur = s->next;
497  s->next = frame;
498 
499  if (!s->cur) {
500  s->cur = av_frame_clone(s->next);
501  if (!s->cur)
502  return AVERROR(ENOMEM);
503  }
504 
505  if ((s->deint && !s->cur->interlaced_frame) || ctx->is_disabled) {
506  AVFrame *out = av_frame_clone(s->cur);
507  if (!out)
508  return AVERROR(ENOMEM);
509 
510  av_frame_free(&s->prev);
511  if (out->pts != AV_NOPTS_VALUE)
512  out->pts *= 2;
513  return ff_filter_frame(ctx->outputs[0], out);
514  }
515 
516  if (!s->prev)
517  return 0;
518 
519  ret = filter(ctx, 0);
520  if (ret < 0)
521  return ret;
522 
523  return filter(ctx, 1);
524 }
525 
526  static int request_frame(AVFilterLink *outlink)
527 {
528  AVFilterContext *ctx = outlink->src;
529  W3FDIFContext *s = ctx->priv;
530  int ret;
531 
532  if (s->eof)
533  return AVERROR_EOF;
534 
535  ret = ff_request_frame(ctx->inputs[0]);
536 
537  if (ret == AVERROR_EOF && s->cur) {
538  AVFrame *next = av_frame_clone(s->next);
539  if (!next)
540  return AVERROR(ENOMEM);
541  next->pts = s->next->pts * 2 - s->cur->pts;
542  filter_frame(ctx->inputs[0], next);
543  s->eof = 1;
544  } else if (ret < 0) {
545  return ret;
546  }
547 
548  return 0;
549 }
550 
551  static av_cold void uninit(AVFilterContext *ctx)
552 {
553  W3FDIFContext *s = ctx->priv;
554  int i;
555 
556  av_frame_free(&s->prev);
557  av_frame_free(&s->cur );
558  av_frame_free(&s->next);
559 
560  for (i = 0; i < s->nb_threads; i++)
561  av_freep(&s->work_line[i]);
562 
563  av_freep(&s->work_line);
564 }
565 
566  static const AVFilterPad w3fdif_inputs[] = {
567  {
568  .name = "default",
569  .type = AVMEDIA_TYPE_VIDEO,
570  .filter_frame = filter_frame,
571  .config_props = config_input,
572  },
573  { NULL }
574 };
575 
576  static const AVFilterPad w3fdif_outputs[] = {
577  {
578  .name = "default",
579  .type = AVMEDIA_TYPE_VIDEO,
580  .config_props = config_output,
581  .request_frame = request_frame,
582  },
583  { NULL }
584 };
585 
586  AVFilter ff_vf_w3fdif = {
587  .name = "w3fdif",
588  .description = NULL_IF_CONFIG_SMALL("Apply Martin Weston three field deinterlace."),
589  .priv_size = sizeof(W3FDIFContext),
590  .priv_class = &w3fdif_class,
591  .uninit = uninit,
592  .query_formats = query_formats,
593  .inputs = w3fdif_inputs,
594  .outputs = w3fdif_outputs,
595  .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
596 };
plane
int plane
Definition: avisynth_c.h:422
NULL
#define NULL
Definition: coverity.c:32
s
const char * s
Definition: avisynth_c.h:768
ThreadData::out
AVFrame * out
Definition: af_aiir.c:31
filter
static int filter(AVFilterContext *ctx, int is_second)
Definition: vf_w3fdif.c:448
W3FDIFContext::prev
AVFrame * prev
Definition: vf_w3fdif.c:43
av_pix_fmt_desc_get
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2363
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:218
AVOption
AVOption.
Definition: opt.h:246
W3FDIFContext::cur
AVFrame * cur
Definition: vf_w3fdif.c:43
AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:378
AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:67
imgutils.h
misc image utilities
av_pix_fmt_count_planes
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2403
avfilter.h
Main libavfilter public API header.
desc
const char * desc
Definition: nvenc.c:65
AV_OPT_TYPE_INT
Definition: opt.h:223
filter16_scale
static void filter16_scale(uint8_t *out_pixel8, const int32_t *work_pixel, int linesize, int max)
Definition: vf_w3fdif.c:254
AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:164
AVRational::num
int num
Numerator.
Definition: rational.h:59
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:384
W3FDIFContext::nb_planes
int nb_planes
Definition: vf_w3fdif.c:42
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:372
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
AVFilterContext::is_disabled
int is_disabled
the enabled state from the last expression evaluation
Definition: avfilter.h:385
filter_complex_low
static void filter_complex_low(int32_t *work_line, uint8_t *in_lines_cur[4], const int16_t *coef, int linesize)
Definition: vf_w3fdif.c:105
av_calloc
void * av_calloc(size_t nmemb, size_t size)
Non-inlined equivalent of av_mallocz_array().
Definition: mem.c:244
ff_make_format_list
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:283
W3FDIFDSPContext::filter_scale
void(* filter_scale)(uint8_t *out_pixel, const int32_t *work_pixel, int linesize, int max)
Definition: w3fdif.h:42
AVFilterPad::name
const char * name
Pad name.
Definition: internal.h:60
w3fdif_options
static const AVOption w3fdif_options[]
Definition: vf_w3fdif.c:55
AVFilterContext::inputs
AVFilterLink ** inputs
array of pointers to input links
Definition: avfilter.h:346
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_w3fdif.c:264
ff_filter_frame
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1080
FLAGS
#define FLAGS
Definition: vf_w3fdif.c:52
AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:97
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
W3FDIFDSPContext::filter_simple_high
void(* filter_simple_high)(int32_t *work_line, uint8_t *in_lines_cur[3], uint8_t *in_lines_adj[3], const int16_t *coef, int linesize)
Definition: w3fdif.h:34
av_cold
#define av_cold
Definition: attributes.h:82
opt.h
AVOptions.
AVFILTER_DEFINE_CLASS
AVFILTER_DEFINE_CLASS(w3fdif)
end
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
W3FDIFDSPContext::filter_complex_high
void(* filter_complex_high)(int32_t *work_line, uint8_t *in_lines_cur[5], uint8_t *in_lines_adj[5], const int16_t *coef, int linesize)
Definition: w3fdif.h:38
AVFrame::pts
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:311
AV_PIX_FMT_GBRP9
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:383
frame
static AVFrame * frame
Definition: demuxing_decoding.c:53
height
#define height
filter16_complex_high
static void filter16_complex_high(int32_t *work_line, uint8_t *in_lines_cur8[5], uint8_t *in_lines_adj8[5], const int16_t *coef, int linesize)
Definition: vf_w3fdif.c:222
ThreadData::plane
int plane
Definition: vf_blend.c:57
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:96
flags
static int flags
Definition: log.c:55
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:75
filter_complex_high
static void filter_complex_high(int32_t *work_line, uint8_t *in_lines_cur[5], uint8_t *in_lines_adj[5], const int16_t *coef, int linesize)
Definition: vf_w3fdif.c:136
AVERROR_EOF
#define AVERROR_EOF
End of file.
Definition: error.h:55
AVFrame::interlaced_frame
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:365
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:373
FFALIGN
#define FFALIGN(x, a)
Definition: macros.h:48
AVFilterPad
A filter pad used for either input or output.
Definition: internal.h:54
W3FDIFContext::linesize
int linesize[4]
bytes of pixel data per line for each plane
Definition: vf_w3fdif.c:38
AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:172
W3FDIFContext::next
AVFrame * next
previous, current, next frames
Definition: vf_w3fdif.c:43
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
query_formats
static int query_formats(AVFilterContext *ctx)
Definition: vf_w3fdif.c:67
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
AVERROR
#define AVERROR(e)
Definition: error.h:43
coef_hf
static const int16_t coef_hf[2][5]
Definition: vf_w3fdif.c:335
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
W3FDIFDSPContext::filter_complex_low
void(* filter_complex_low)(int32_t *work_line, uint8_t *in_lines_cur[4], const int16_t *coef, int linesize)
Definition: w3fdif.h:31
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
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
OFFSET
#define OFFSET(x)
Definition: vf_w3fdif.c:51
arg
const char * arg
Definition: jacosubdec.c:66
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:371
W3FDIFContext::planeheight
int planeheight[4]
height of each plane
Definition: vf_w3fdif.c:39
AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:66
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:366
filter16_complex_low
static void filter16_complex_low(int32_t *work_line, uint8_t *in_lines_cur8[4], const int16_t *coef, int linesize)
Definition: vf_w3fdif.c:179
W3FDIFDSPContext::filter_simple_low
void(* filter_simple_low)(int32_t *work_line, uint8_t *in_lines_cur[2], const int16_t *coef, int linesize)
Definition: w3fdif.h:28
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
FFMIN
#define FFMIN(a, b)
Definition: common.h:96
W3FDIFContext::field
int field
which field are we on, 0 or 1
Definition: vf_w3fdif.c:40
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:74
int32_t
int32_t
Definition: audio_convert.c:194
ctx
AVFormatContext * ctx
Definition: movenc.c:48
coef_lf
static const int16_t coef_lf[2][4]
Definition: vf_w3fdif.c:332
n_coef_hf
static const int8_t n_coef_hf[2]
Definition: vf_w3fdif.c:334
inputs
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:367
AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:386
av_frame_clone
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:538
outputs
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
ff_vf_w3fdif
AVFilter ff_vf_w3fdif
Definition: vf_w3fdif.c:586
config_output
static int config_output(AVFilterLink *outlink)
Definition: vf_w3fdif.c:311
AV_PIX_FMT_YUV420P14
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:376
AVFrame::linesize
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:249
AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:173
AVPixFmtDescriptor
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
ThreadData::adj
AVFrame * adj
Definition: vf_w3fdif.c:339
n_coef_lf
static const int8_t n_coef_lf[2]
Definition: vf_w3fdif.c:331
ThreadData::cur
AVFrame * cur
Definition: vf_w3fdif.c:339
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:368
AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:68
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:67
AVFilter
Filter definition.
Definition: avfilter.h:144
av_image_fill_linesizes
int av_image_fill_linesizes(int linesizes[4], enum AVPixelFormat pix_fmt, int width)
Fill plane linesizes for an image with pixel format pix_fmt and width width.
Definition: imgutils.c:89
AVFilter::name
const char * name
Filter name.
Definition: avfilter.h:148
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:365
filter16_simple_high
static void filter16_simple_high(int32_t *work_line, uint8_t *in_lines_cur8[3], uint8_t *in_lines_adj8[3], const int16_t *coef, int linesize)
Definition: vf_w3fdif.c:198
AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
#define AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
Same as AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, except that the filter will have its filter_frame() c...
Definition: avfilter.h:133
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
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:377
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:385
AVFilterContext::internal
AVFilterInternal * internal
An opaque struct for libavfilter internal use.
Definition: avfilter.h:378
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:369
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:375
AVFrame::data
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:232
CONST
#define CONST(name, help, val, unit)
Definition: vf_w3fdif.c:53
w3fdif_inputs
static const AVFilterPad w3fdif_inputs[]
Definition: vf_w3fdif.c:566
W3FDIFContext::dsp
W3FDIFDSPContext dsp
Definition: vf_w3fdif.c:48
AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62
AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:70
common.h
common internal and external API header
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
Definition: vf_w3fdif.c:488
AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:211
W3FDIFContext::deint
int deint
which frames to deinterlace
Definition: vf_w3fdif.c:37
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:76
deinterlace_slice
static int deinterlace_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_w3fdif.c:343
AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:69
AVRational::den
int den
Denominator.
Definition: rational.h:60
AVFilterInternal::execute
avfilter_execute_func * execute
Definition: internal.h:155
AVFrame::top_field_first
int top_field_first
If the content is interlaced, is top field displayed first.
Definition: frame.h:370
w3fdif_outputs
static const AVFilterPad w3fdif_outputs[]
Definition: vf_w3fdif.c:576
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:254
AVFilterContext
An instance of a filter.
Definition: avfilter.h:338
filter16_simple_low
static void filter16_simple_low(int32_t *work_line, uint8_t *in_lines_cur8[2], const int16_t *coef, int linesize)
Definition: vf_w3fdif.c:165
uninit
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_w3fdif.c:551
out
FILE * out
Definition: movenc.c:54
ff_w3fdif_init_x86
void ff_w3fdif_init_x86(W3FDIFDSPContext *dsp, int depth)
Definition: vf_w3fdif_init.c:49
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:95
start
void INT64 start
Definition: avisynth_c.h:690
filter_scale
static void filter_scale(uint8_t *out_pixel, const int32_t *work_pixel, int linesize, int max)
Definition: vf_w3fdif.c:157
AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
filter_simple_low
static void filter_simple_low(int32_t *work_line, uint8_t *in_lines_cur[2], const int16_t *coef, int linesize)
Definition: vf_w3fdif.c:93
ff_request_frame
int ff_request_frame(AVFilterLink *link)
Request an input frame from the filter at the other end of the link.
Definition: avfilter.c:407
W3FDIFContext::work_line
int32_t ** work_line
lines we are calculating
Definition: vf_w3fdif.c:44
request_frame
static int request_frame(AVFilterLink *outlink)
Definition: vf_w3fdif.c:526
internal.h
internal API functions
AVComponentDescriptor::depth
int depth
Number of bits in the component.
Definition: pixdesc.h:58
W3FDIFContext::nb_threads
int nb_threads
Definition: vf_w3fdif.c:45
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
W3FDIFContext::filter
int filter
0 is simple, 1 is more complex
Definition: vf_w3fdif.c:36
filter_simple_high
static void filter_simple_high(int32_t *work_line, uint8_t *in_lines_cur[3], uint8_t *in_lines_adj[3], const int16_t *coef, int linesize)
Definition: vf_w3fdif.c:119
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:652
AV_NOPTS_VALUE
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:248
AV_CEIL_RSHIFT
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
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