FFmpeg  4.3.7
vf_colorchannelmixer.c
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1 /*
2  * Copyright (c) 2013 Paul B Mahol
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "libavutil/opt.h"
22 #include "libavutil/pixdesc.h"
23 #include "avfilter.h"
24 #include "drawutils.h"
25 #include "formats.h"
26 #include "internal.h"
27 #include "video.h"
28 
29 #define R 0
30 #define G 1
31 #define B 2
32 #define A 3
33 
34 typedef struct ThreadData {
35  AVFrame *in, *out;
36 } ThreadData;
37 
38 typedef struct ColorChannelMixerContext {
39  const AVClass *class;
40  double rr, rg, rb, ra;
41  double gr, gg, gb, ga;
42  double br, bg, bb, ba;
43  double ar, ag, ab, aa;
44 
45  int *lut[4][4];
46 
47  int *buffer;
48 
49  uint8_t rgba_map[4];
50 
51  int (*filter_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
53 
54 #define OFFSET(x) offsetof(ColorChannelMixerContext, x)
55 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
56 
58  { "rr", "set the red gain for the red channel", OFFSET(rr), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -2, 2, FLAGS },
59  { "rg", "set the green gain for the red channel", OFFSET(rg), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
60  { "rb", "set the blue gain for the red channel", OFFSET(rb), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
61  { "ra", "set the alpha gain for the red channel", OFFSET(ra), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
62  { "gr", "set the red gain for the green channel", OFFSET(gr), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
63  { "gg", "set the green gain for the green channel", OFFSET(gg), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -2, 2, FLAGS },
64  { "gb", "set the blue gain for the green channel", OFFSET(gb), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
65  { "ga", "set the alpha gain for the green channel", OFFSET(ga), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
66  { "br", "set the red gain for the blue channel", OFFSET(br), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
67  { "bg", "set the green gain for the blue channel", OFFSET(bg), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
68  { "bb", "set the blue gain for the blue channel", OFFSET(bb), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -2, 2, FLAGS },
69  { "ba", "set the alpha gain for the blue channel", OFFSET(ba), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
70  { "ar", "set the red gain for the alpha channel", OFFSET(ar), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
71  { "ag", "set the green gain for the alpha channel", OFFSET(ag), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
72  { "ab", "set the blue gain for the alpha channel", OFFSET(ab), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
73  { "aa", "set the alpha gain for the alpha channel", OFFSET(aa), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -2, 2, FLAGS },
74  { NULL }
75 };
76 
77 AVFILTER_DEFINE_CLASS(colorchannelmixer);
78 
80 {
81  static const enum AVPixelFormat pix_fmts[] = {
96  };
97 
98  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
99  if (!fmts_list)
100  return AVERROR(ENOMEM);
101  return ff_set_common_formats(ctx, fmts_list);
102 }
103 
104 static av_always_inline int filter_slice_rgba_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs,
105  int have_alpha)
106 {
108  ThreadData *td = arg;
109  AVFrame *in = td->in;
110  AVFrame *out = td->out;
111  const int slice_start = (out->height * jobnr) / nb_jobs;
112  const int slice_end = (out->height * (jobnr+1)) / nb_jobs;
113  const uint8_t *srcg = in->data[0] + slice_start * in->linesize[0];
114  const uint8_t *srcb = in->data[1] + slice_start * in->linesize[1];
115  const uint8_t *srcr = in->data[2] + slice_start * in->linesize[2];
116  const uint8_t *srca = in->data[3] + slice_start * in->linesize[3];
117  uint8_t *dstg = out->data[0] + slice_start * out->linesize[0];
118  uint8_t *dstb = out->data[1] + slice_start * out->linesize[1];
119  uint8_t *dstr = out->data[2] + slice_start * out->linesize[2];
120  uint8_t *dsta = out->data[3] + slice_start * out->linesize[3];
121  int i, j;
122 
123  for (i = slice_start; i < slice_end; i++) {
124  for (j = 0; j < out->width; j++) {
125  const uint8_t rin = srcr[j];
126  const uint8_t gin = srcg[j];
127  const uint8_t bin = srcb[j];
128  const uint8_t ain = have_alpha ? srca[j] : 0;
129 
130  dstr[j] = av_clip_uint8(s->lut[R][R][rin] +
131  s->lut[R][G][gin] +
132  s->lut[R][B][bin] +
133  (have_alpha == 1 ? s->lut[R][A][ain] : 0));
134  dstg[j] = av_clip_uint8(s->lut[G][R][rin] +
135  s->lut[G][G][gin] +
136  s->lut[G][B][bin] +
137  (have_alpha == 1 ? s->lut[G][A][ain] : 0));
138  dstb[j] = av_clip_uint8(s->lut[B][R][rin] +
139  s->lut[B][G][gin] +
140  s->lut[B][B][bin] +
141  (have_alpha == 1 ? s->lut[B][A][ain] : 0));
142  if (have_alpha == 1) {
143  dsta[j] = av_clip_uint8(s->lut[A][R][rin] +
144  s->lut[A][G][gin] +
145  s->lut[A][B][bin] +
146  s->lut[A][A][ain]);
147  }
148  }
149 
150  srcg += in->linesize[0];
151  srcb += in->linesize[1];
152  srcr += in->linesize[2];
153  srca += in->linesize[3];
154  dstg += out->linesize[0];
155  dstb += out->linesize[1];
156  dstr += out->linesize[2];
157  dsta += out->linesize[3];
158  }
159 
160  return 0;
161 }
162 
163 static av_always_inline int filter_slice_rgba16_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs,
164  int have_alpha, int depth)
165 {
167  ThreadData *td = arg;
168  AVFrame *in = td->in;
169  AVFrame *out = td->out;
170  const int slice_start = (out->height * jobnr) / nb_jobs;
171  const int slice_end = (out->height * (jobnr+1)) / nb_jobs;
172  const uint16_t *srcg = (const uint16_t *)(in->data[0] + slice_start * in->linesize[0]);
173  const uint16_t *srcb = (const uint16_t *)(in->data[1] + slice_start * in->linesize[1]);
174  const uint16_t *srcr = (const uint16_t *)(in->data[2] + slice_start * in->linesize[2]);
175  const uint16_t *srca = (const uint16_t *)(in->data[3] + slice_start * in->linesize[3]);
176  uint16_t *dstg = (uint16_t *)(out->data[0] + slice_start * out->linesize[0]);
177  uint16_t *dstb = (uint16_t *)(out->data[1] + slice_start * out->linesize[1]);
178  uint16_t *dstr = (uint16_t *)(out->data[2] + slice_start * out->linesize[2]);
179  uint16_t *dsta = (uint16_t *)(out->data[3] + slice_start * out->linesize[3]);
180  int i, j;
181 
182  for (i = slice_start; i < slice_end; i++) {
183  for (j = 0; j < out->width; j++) {
184  const uint16_t rin = srcr[j];
185  const uint16_t gin = srcg[j];
186  const uint16_t bin = srcb[j];
187  const uint16_t ain = have_alpha ? srca[j] : 0;
188 
189  dstr[j] = av_clip_uintp2(s->lut[R][R][rin] +
190  s->lut[R][G][gin] +
191  s->lut[R][B][bin] +
192  (have_alpha == 1 ? s->lut[R][A][ain] : 0), depth);
193  dstg[j] = av_clip_uintp2(s->lut[G][R][rin] +
194  s->lut[G][G][gin] +
195  s->lut[G][B][bin] +
196  (have_alpha == 1 ? s->lut[G][A][ain] : 0), depth);
197  dstb[j] = av_clip_uintp2(s->lut[B][R][rin] +
198  s->lut[B][G][gin] +
199  s->lut[B][B][bin] +
200  (have_alpha == 1 ? s->lut[B][A][ain] : 0), depth);
201  if (have_alpha == 1) {
202  dsta[j] = av_clip_uintp2(s->lut[A][R][rin] +
203  s->lut[A][G][gin] +
204  s->lut[A][B][bin] +
205  s->lut[A][A][ain], depth);
206  }
207  }
208 
209  srcg += in->linesize[0] / 2;
210  srcb += in->linesize[1] / 2;
211  srcr += in->linesize[2] / 2;
212  srca += in->linesize[3] / 2;
213  dstg += out->linesize[0] / 2;
214  dstb += out->linesize[1] / 2;
215  dstr += out->linesize[2] / 2;
216  dsta += out->linesize[3] / 2;
217  }
218 
219  return 0;
220 }
221 
222 static int filter_slice_gbrp(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
223 {
224  return filter_slice_rgba_planar(ctx, arg, jobnr, nb_jobs, 0);
225 }
226 
227 static int filter_slice_gbrap(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
228 {
229  return filter_slice_rgba_planar(ctx, arg, jobnr, nb_jobs, 1);
230 }
231 
232 static int filter_slice_gbrp9(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
233 {
234  return filter_slice_rgba16_planar(ctx, arg, jobnr, nb_jobs, 0, 9);
235 }
236 
237 static int filter_slice_gbrp10(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
238 {
239  return filter_slice_rgba16_planar(ctx, arg, jobnr, nb_jobs, 0, 10);
240 }
241 
242 static int filter_slice_gbrap10(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
243 {
244  return filter_slice_rgba16_planar(ctx, arg, jobnr, nb_jobs, 1, 10);
245 }
246 
247 static int filter_slice_gbrp12(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
248 {
249  return filter_slice_rgba16_planar(ctx, arg, jobnr, nb_jobs, 0, 12);
250 }
251 
252 static int filter_slice_gbrap12(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
253 {
254  return filter_slice_rgba16_planar(ctx, arg, jobnr, nb_jobs, 1, 12);
255 }
256 
257 static int filter_slice_gbrp14(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
258 {
259  return filter_slice_rgba16_planar(ctx, arg, jobnr, nb_jobs, 0, 14);
260 }
261 
262 static int filter_slice_gbrp16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
263 {
264  return filter_slice_rgba16_planar(ctx, arg, jobnr, nb_jobs, 0, 16);
265 }
266 
267 static int filter_slice_gbrap16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
268 {
269  return filter_slice_rgba16_planar(ctx, arg, jobnr, nb_jobs, 1, 16);
270 }
271 
272 static av_always_inline int filter_slice_rgba_packed(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs,
273  int have_alpha, int step)
274 {
276  ThreadData *td = arg;
277  AVFrame *in = td->in;
278  AVFrame *out = td->out;
279  const int slice_start = (out->height * jobnr) / nb_jobs;
280  const int slice_end = (out->height * (jobnr+1)) / nb_jobs;
281  const uint8_t roffset = s->rgba_map[R];
282  const uint8_t goffset = s->rgba_map[G];
283  const uint8_t boffset = s->rgba_map[B];
284  const uint8_t aoffset = s->rgba_map[A];
285  const uint8_t *srcrow = in->data[0] + slice_start * in->linesize[0];
286  uint8_t *dstrow = out->data[0] + slice_start * out->linesize[0];
287  int i, j;
288 
289  for (i = slice_start; i < slice_end; i++) {
290  const uint8_t *src = srcrow;
291  uint8_t *dst = dstrow;
292 
293  for (j = 0; j < out->width * step; j += step) {
294  const uint8_t rin = src[j + roffset];
295  const uint8_t gin = src[j + goffset];
296  const uint8_t bin = src[j + boffset];
297  const uint8_t ain = src[j + aoffset];
298 
299  dst[j + roffset] = av_clip_uint8(s->lut[R][R][rin] +
300  s->lut[R][G][gin] +
301  s->lut[R][B][bin] +
302  (have_alpha == 1 ? s->lut[R][A][ain] : 0));
303  dst[j + goffset] = av_clip_uint8(s->lut[G][R][rin] +
304  s->lut[G][G][gin] +
305  s->lut[G][B][bin] +
306  (have_alpha == 1 ? s->lut[G][A][ain] : 0));
307  dst[j + boffset] = av_clip_uint8(s->lut[B][R][rin] +
308  s->lut[B][G][gin] +
309  s->lut[B][B][bin] +
310  (have_alpha == 1 ? s->lut[B][A][ain] : 0));
311  if (have_alpha == 1) {
312  dst[j + aoffset] = av_clip_uint8(s->lut[A][R][rin] +
313  s->lut[A][G][gin] +
314  s->lut[A][B][bin] +
315  s->lut[A][A][ain]);
316  } else if (have_alpha == -1 && in != out)
317  dst[j + aoffset] = 0;
318  }
319 
320  srcrow += in->linesize[0];
321  dstrow += out->linesize[0];
322  }
323 
324  return 0;
325 }
326 
327 static av_always_inline int filter_slice_rgba16_packed(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs,
328  int have_alpha, int step)
329 {
331  ThreadData *td = arg;
332  AVFrame *in = td->in;
333  AVFrame *out = td->out;
334  const int slice_start = (out->height * jobnr) / nb_jobs;
335  const int slice_end = (out->height * (jobnr+1)) / nb_jobs;
336  const uint8_t roffset = s->rgba_map[R];
337  const uint8_t goffset = s->rgba_map[G];
338  const uint8_t boffset = s->rgba_map[B];
339  const uint8_t aoffset = s->rgba_map[A];
340  const uint8_t *srcrow = in->data[0] + slice_start * in->linesize[0];
341  uint8_t *dstrow = out->data[0] + slice_start * out->linesize[0];
342  int i, j;
343 
344  for (i = slice_start; i < slice_end; i++) {
345  const uint16_t *src = (const uint16_t *)srcrow;
346  uint16_t *dst = (uint16_t *)dstrow;
347 
348  for (j = 0; j < out->width * step; j += step) {
349  const uint16_t rin = src[j + roffset];
350  const uint16_t gin = src[j + goffset];
351  const uint16_t bin = src[j + boffset];
352  const uint16_t ain = src[j + aoffset];
353 
354  dst[j + roffset] = av_clip_uint16(s->lut[R][R][rin] +
355  s->lut[R][G][gin] +
356  s->lut[R][B][bin] +
357  (have_alpha == 1 ? s->lut[R][A][ain] : 0));
358  dst[j + goffset] = av_clip_uint16(s->lut[G][R][rin] +
359  s->lut[G][G][gin] +
360  s->lut[G][B][bin] +
361  (have_alpha == 1 ? s->lut[G][A][ain] : 0));
362  dst[j + boffset] = av_clip_uint16(s->lut[B][R][rin] +
363  s->lut[B][G][gin] +
364  s->lut[B][B][bin] +
365  (have_alpha == 1 ? s->lut[B][A][ain] : 0));
366  if (have_alpha == 1) {
367  dst[j + aoffset] = av_clip_uint16(s->lut[A][R][rin] +
368  s->lut[A][G][gin] +
369  s->lut[A][B][bin] +
370  s->lut[A][A][ain]);
371  }
372  }
373 
374  srcrow += in->linesize[0];
375  dstrow += out->linesize[0];
376  }
377 
378  return 0;
379 }
380 
381 static int filter_slice_rgba64(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
382 {
383  return filter_slice_rgba16_packed(ctx, arg, jobnr, nb_jobs, 1, 4);
384 }
385 
386 static int filter_slice_rgb48(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
387 {
388  return filter_slice_rgba16_packed(ctx, arg, jobnr, nb_jobs, 0, 3);
389 }
390 
391 static int filter_slice_rgba(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
392 {
393  return filter_slice_rgba_packed(ctx, arg, jobnr, nb_jobs, 1, 4);
394 }
395 
396 static int filter_slice_rgb24(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
397 {
398  return filter_slice_rgba_packed(ctx, arg, jobnr, nb_jobs, 0, 3);
399 }
400 
401 static int filter_slice_rgb0(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
402 {
403  return filter_slice_rgba_packed(ctx, arg, jobnr, nb_jobs, -1, 4);
404 }
405 
406 static int config_output(AVFilterLink *outlink)
407 {
408  AVFilterContext *ctx = outlink->src;
411  const int depth = desc->comp[0].depth;
412  int i, j, size, *buffer = s->buffer;
413 
414  ff_fill_rgba_map(s->rgba_map, outlink->format);
415 
416  size = 1 << depth;
417  if (!s->buffer) {
418  s->buffer = buffer = av_malloc(16 * size * sizeof(*s->buffer));
419  if (!s->buffer)
420  return AVERROR(ENOMEM);
421 
422  for (i = 0; i < 4; i++)
423  for (j = 0; j < 4; j++, buffer += size)
424  s->lut[i][j] = buffer;
425  }
426 
427  for (i = 0; i < size; i++) {
428  s->lut[R][R][i] = lrint(i * s->rr);
429  s->lut[R][G][i] = lrint(i * s->rg);
430  s->lut[R][B][i] = lrint(i * s->rb);
431  s->lut[R][A][i] = lrint(i * s->ra);
432 
433  s->lut[G][R][i] = lrint(i * s->gr);
434  s->lut[G][G][i] = lrint(i * s->gg);
435  s->lut[G][B][i] = lrint(i * s->gb);
436  s->lut[G][A][i] = lrint(i * s->ga);
437 
438  s->lut[B][R][i] = lrint(i * s->br);
439  s->lut[B][G][i] = lrint(i * s->bg);
440  s->lut[B][B][i] = lrint(i * s->bb);
441  s->lut[B][A][i] = lrint(i * s->ba);
442 
443  s->lut[A][R][i] = lrint(i * s->ar);
444  s->lut[A][G][i] = lrint(i * s->ag);
445  s->lut[A][B][i] = lrint(i * s->ab);
446  s->lut[A][A][i] = lrint(i * s->aa);
447  }
448 
449  switch (outlink->format) {
450  case AV_PIX_FMT_BGR24:
451  case AV_PIX_FMT_RGB24:
453  break;
454  case AV_PIX_FMT_0BGR:
455  case AV_PIX_FMT_0RGB:
456  case AV_PIX_FMT_BGR0:
457  case AV_PIX_FMT_RGB0:
459  break;
460  case AV_PIX_FMT_ABGR:
461  case AV_PIX_FMT_ARGB:
462  case AV_PIX_FMT_BGRA:
463  case AV_PIX_FMT_RGBA:
465  break;
466  case AV_PIX_FMT_BGR48:
467  case AV_PIX_FMT_RGB48:
469  break;
470  case AV_PIX_FMT_BGRA64:
471  case AV_PIX_FMT_RGBA64:
473  break;
474  case AV_PIX_FMT_GBRP:
476  break;
477  case AV_PIX_FMT_GBRAP:
479  break;
480  case AV_PIX_FMT_GBRP9:
482  break;
483  case AV_PIX_FMT_GBRP10:
485  break;
486  case AV_PIX_FMT_GBRAP10:
488  break;
489  case AV_PIX_FMT_GBRP12:
491  break;
492  case AV_PIX_FMT_GBRAP12:
494  break;
495  case AV_PIX_FMT_GBRP14:
497  break;
498  case AV_PIX_FMT_GBRP16:
500  break;
501  case AV_PIX_FMT_GBRAP16:
503  break;
504  }
505 
506  return 0;
507 }
508 
510 {
511  AVFilterContext *ctx = inlink->dst;
513  AVFilterLink *outlink = ctx->outputs[0];
514  ThreadData td;
515  AVFrame *out;
516 
517  if (av_frame_is_writable(in)) {
518  out = in;
519  } else {
520  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
521  if (!out) {
522  av_frame_free(&in);
523  return AVERROR(ENOMEM);
524  }
525  av_frame_copy_props(out, in);
526  }
527 
528  td.in = in;
529  td.out = out;
530  ctx->internal->execute(ctx, s->filter_slice, &td, NULL, FFMIN(outlink->h, ff_filter_get_nb_threads(ctx)));
531 
532  if (in != out)
533  av_frame_free(&in);
534  return ff_filter_frame(outlink, out);
535 }
536 
537 static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
538  char *res, int res_len, int flags)
539 {
540  int ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
541 
542  if (ret < 0)
543  return ret;
544 
545  return config_output(ctx->outputs[0]);
546 }
547 
549 {
551 
552  av_freep(&s->buffer);
553 }
554 
556  {
557  .name = "default",
558  .type = AVMEDIA_TYPE_VIDEO,
559  .filter_frame = filter_frame,
560  },
561  { NULL }
562 };
563 
565  {
566  .name = "default",
567  .type = AVMEDIA_TYPE_VIDEO,
568  .config_props = config_output,
569  },
570  { NULL }
571 };
572 
574  .name = "colorchannelmixer",
575  .description = NULL_IF_CONFIG_SMALL("Adjust colors by mixing color channels."),
576  .priv_size = sizeof(ColorChannelMixerContext),
577  .priv_class = &colorchannelmixer_class,
578  .uninit = uninit,
580  .inputs = colorchannelmixer_inputs,
581  .outputs = colorchannelmixer_outputs,
584 };
#define NULL
Definition: coverity.c:32
AVFILTER_DEFINE_CLASS(colorchannelmixer)
AVFrame * out
Definition: af_adeclick.c:494
int size
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
static int query_formats(AVFilterContext *ctx)
AVOption.
Definition: opt.h:246
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:417
Main libavfilter public API header.
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:68
#define AV_PIX_FMT_RGBA64
Definition: pixfmt.h:387
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
static int filter_slice_rgba(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:413
static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
#define AV_PIX_FMT_BGRA64
Definition: pixfmt.h:392
static int filter_slice_gbrap10(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
packed BGR 8:8:8, 32bpp, XBGRXBGR... X=unused/undefined
Definition: pixfmt.h:239
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 av_always_inline int filter_slice_rgba16_packed(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs, int have_alpha, int step)
#define OFFSET(x)
static int filter_slice_rgb0(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:300
#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
static int filter_slice_gbrp12(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
const char * name
Pad name.
Definition: internal.h:60
static int filter_slice_gbrp9(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1075
static char buffer[20]
Definition: seek.c:32
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)
packed RGB 8:8:8, 32bpp, RGBXRGBX... X=unused/undefined
Definition: pixfmt.h:238
#define A
AVOptions.
static int filter_slice_gbrap12(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static const AVFilterPad colorchannelmixer_inputs[]
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:412
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Definition: pixfmt.h:94
AVFrame * dst
Definition: vf_blend.c:56
static int filter_slice_gbrp14(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
#define AV_PIX_FMT_BGR48
Definition: pixfmt.h:388
static int filter_slice_gbrap(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
#define G
A filter pad used for either input or output.
Definition: internal.h:54
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
static av_always_inline int filter_slice_rgba16_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs, int have_alpha, int depth)
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
int width
Definition: frame.h:358
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
int step
Definition: vf_remap.c:82
static const AVOption colorchannelmixer_options[]
#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 uint8_t * src
Definition: vf_bm3d.c:56
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition: pixfmt.h:95
static int filter_slice_gbrp16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
int ff_filter_process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Generic processing of user supplied commands that are set in the same way as the filter options...
Definition: avfilter.c:869
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
static int filter_slice_gbrp(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
const char * arg
Definition: jacosubdec.c:66
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:418
#define AV_PIX_FMT_RGB48
Definition: pixfmt.h:383
static int filter_slice_rgb48(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
Definition: pixfmt.h:92
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:419
static av_cold void uninit(AVFilterContext *ctx)
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition: pixfmt.h:93
#define B
static const AVFilterPad colorchannelmixer_outputs[]
#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
static int filter_slice_gbrp10(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
#define FFMIN(a, b)
Definition: common.h:96
AVFormatContext * ctx
Definition: movenc.c:48
static int config_output(AVFilterLink *outlink)
#define ra
Definition: regdef.h:57
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:69
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:415
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
int ff_fill_rgba_map(uint8_t *rgba_map, enum AVPixelFormat pix_fmt)
Definition: drawutils.c:35
static int filter_slice_rgb24(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
misc drawing utilities
#define FLAGS
int av_frame_is_writable(AVFrame *frame)
Check if the frame data is writable.
Definition: frame.c:595
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
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
Describe the class of an AVClass context structure.
Definition: log.h:67
Filter definition.
Definition: avfilter.h:144
packed BGR 8:8:8, 32bpp, BGRXBGRX... X=unused/undefined
Definition: pixfmt.h:240
const char * name
Filter name.
Definition: avfilter.h:148
int(* filter_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:350
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:414
#define flags(name, subs,...)
Definition: cbs_av1.c:565
AVFilterInternal * internal
An opaque struct for libavfilter internal use.
Definition: avfilter.h:378
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:314
#define R
static int filter_slice_gbrap16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
AVFilter ff_vf_colorchannelmixer
int
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:215
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
avfilter_execute_func * execute
Definition: internal.h:144
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
Definition: mpeg12dec.c:2040
const AVPixFmtDescriptor * desc
Definition: vf_tonemap.c:196
A list of supported formats for one end of a filter link.
Definition: formats.h:64
#define lrint
Definition: tablegen.h:53
An instance of a filter.
Definition: avfilter.h:338
static av_always_inline int filter_slice_rgba_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs, int have_alpha)
int height
Definition: frame.h:358
#define av_freep(p)
const void ** s
#define av_always_inline
Definition: attributes.h:45
AVFrame * in
Definition: af_afftdn.c:1083
AVFilterLink * inlink
Definition: vf_blend.c:57
static av_always_inline int filter_slice_rgba_packed(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs, int have_alpha, int step)
internal API functions
int depth
Number of bits in the component.
Definition: pixdesc.h:58
packed RGB 8:8:8, 32bpp, XRGBXRGB... X=unused/undefined
Definition: pixfmt.h:237
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
static int filter_slice_rgba64(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:659