FFmpeg  4.4.6
vf_histogram.c
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1 /*
2  * Copyright (c) 2012-2019 Paul B Mahol
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "libavutil/avassert.h"
22 #include "libavutil/colorspace.h"
23 #include "libavutil/opt.h"
24 #include "libavutil/parseutils.h"
25 #include "libavutil/pixdesc.h"
26 #include "libavutil/imgutils.h"
27 #include "libavutil/intreadwrite.h"
28 #include "avfilter.h"
29 #include "formats.h"
30 #include "internal.h"
31 #include "video.h"
32 
33 typedef struct HistogramContext {
34  const AVClass *class; ///< AVClass context for log and options purpose
36  int envelope;
37  int slide;
38  unsigned histogram[256*256];
40  int width;
41  int x_pos;
42  int mult;
43  int ncomp;
44  int dncomp;
55  float fgopacity;
56  float bgopacity;
57  int planewidth[4];
58  int planeheight[4];
59  int start[4];
62 
63 #define OFFSET(x) offsetof(HistogramContext, x)
64 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
65 
66 #define COMMON_OPTIONS \
67  { "display_mode", "set display mode", OFFSET(display_mode), AV_OPT_TYPE_INT, {.i64=2}, 0, 2, FLAGS, "display_mode"}, \
68  { "d", "set display mode", OFFSET(display_mode), AV_OPT_TYPE_INT, {.i64=2}, 0, 2, FLAGS, "display_mode"}, \
69  { "overlay", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "display_mode" }, \
70  { "parade", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "display_mode" }, \
71  { "stack", NULL, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "display_mode" }, \
72  { "levels_mode", "set levels mode", OFFSET(levels_mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS, "levels_mode"}, \
73  { "m", "set levels mode", OFFSET(levels_mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS, "levels_mode"}, \
74  { "linear", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "levels_mode" }, \
75  { "logarithmic", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "levels_mode" }, \
76  { "components", "set color components to display", OFFSET(components), AV_OPT_TYPE_INT, {.i64=7}, 1, 15, FLAGS}, \
77  { "c", "set color components to display", OFFSET(components), AV_OPT_TYPE_INT, {.i64=7}, 1, 15, FLAGS},
78 
79 static const AVOption histogram_options[] = {
80  { "level_height", "set level height", OFFSET(level_height), AV_OPT_TYPE_INT, {.i64=200}, 50, 2048, FLAGS},
81  { "scale_height", "set scale height", OFFSET(scale_height), AV_OPT_TYPE_INT, {.i64=12}, 0, 40, FLAGS},
83  { "fgopacity", "set foreground opacity", OFFSET(fgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.7}, 0, 1, FLAGS},
84  { "f", "set foreground opacity", OFFSET(fgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.7}, 0, 1, FLAGS},
85  { "bgopacity", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGS},
86  { "b", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGS},
87  { NULL }
88 };
89 
91 
92 static const enum AVPixelFormat levels_in_pix_fmts[] = {
109 };
110 
111 static const enum AVPixelFormat levels_out_yuv8_pix_fmts[] = {
114 };
115 
116 static const enum AVPixelFormat levels_out_yuv9_pix_fmts[] = {
119 };
120 
121 static const enum AVPixelFormat levels_out_yuv10_pix_fmts[] = {
124 };
125 
126 static const enum AVPixelFormat levels_out_yuv12_pix_fmts[] = {
129 };
130 
131 static const enum AVPixelFormat levels_out_rgb8_pix_fmts[] = {
134 };
135 
136 static const enum AVPixelFormat levels_out_rgb9_pix_fmts[] = {
139 };
140 
141 static const enum AVPixelFormat levels_out_rgb10_pix_fmts[] = {
144 };
145 
146 static const enum AVPixelFormat levels_out_rgb12_pix_fmts[] = {
149 };
150 
152 {
153  AVFilterFormats *avff;
154  const AVPixFmtDescriptor *desc;
155  const enum AVPixelFormat *out_pix_fmts;
156  int rgb, i, bits;
157  int ret;
158 
159  if (!ctx->inputs[0]->incfg.formats ||
160  !ctx->inputs[0]->incfg.formats->nb_formats) {
161  return AVERROR(EAGAIN);
162  }
163 
164  if (!ctx->inputs[0]->outcfg.formats)
165  if ((ret = ff_formats_ref(ff_make_format_list(levels_in_pix_fmts), &ctx->inputs[0]->outcfg.formats)) < 0)
166  return ret;
167  avff = ctx->inputs[0]->incfg.formats;
168  desc = av_pix_fmt_desc_get(avff->formats[0]);
169  rgb = desc->flags & AV_PIX_FMT_FLAG_RGB;
170  bits = desc->comp[0].depth;
171  for (i = 1; i < avff->nb_formats; i++) {
172  desc = av_pix_fmt_desc_get(avff->formats[i]);
173  if ((rgb != (desc->flags & AV_PIX_FMT_FLAG_RGB)) ||
174  (bits != desc->comp[0].depth))
175  return AVERROR(EAGAIN);
176  }
177 
178  if (rgb && bits == 8)
180  else if (rgb && bits == 9)
182  else if (rgb && bits == 10)
184  else if (rgb && bits == 12)
186  else if (bits == 8)
188  else if (bits == 9)
190  else if (bits == 10)
192  else if (bits == 12)
194  else
195  return AVERROR(EAGAIN);
196  if ((ret = ff_formats_ref(ff_make_format_list(out_pix_fmts), &ctx->outputs[0]->incfg.formats)) < 0)
197  return ret;
198 
199  return 0;
200 }
201 
202 static const uint8_t black_yuva_color[4] = { 0, 127, 127, 255 };
203 static const uint8_t black_gbrp_color[4] = { 0, 0, 0, 255 };
204 static const uint8_t white_yuva_color[4] = { 255, 127, 127, 255 };
205 static const uint8_t white_gbrp_color[4] = { 255, 255, 255, 255 };
206 
207 static int config_input(AVFilterLink *inlink)
208 {
209  HistogramContext *s = inlink->dst->priv;
210 
211  s->desc = av_pix_fmt_desc_get(inlink->format);
212  s->ncomp = s->desc->nb_components;
213  s->histogram_size = 1 << s->desc->comp[0].depth;
214  s->mult = s->histogram_size / 256;
215 
216  switch (inlink->format) {
217  case AV_PIX_FMT_GBRAP12:
218  case AV_PIX_FMT_GBRP12:
219  case AV_PIX_FMT_GBRAP10:
220  case AV_PIX_FMT_GBRP10:
221  case AV_PIX_FMT_GBRP9:
222  case AV_PIX_FMT_GBRAP:
223  case AV_PIX_FMT_GBRP:
224  memcpy(s->bg_color, black_gbrp_color, 4);
225  memcpy(s->fg_color, white_gbrp_color, 4);
226  s->start[0] = s->start[1] = s->start[2] = s->start[3] = 0;
227  memcpy(s->envelope_color, s->envelope_rgba, 4);
228  break;
229  default:
230  memcpy(s->bg_color, black_yuva_color, 4);
231  memcpy(s->fg_color, white_yuva_color, 4);
232  s->start[0] = s->start[3] = 0;
233  s->start[1] = s->start[2] = s->histogram_size / 2;
234  s->envelope_color[0] = RGB_TO_Y_BT709(s->envelope_rgba[0], s->envelope_rgba[1], s->envelope_rgba[2]);
235  s->envelope_color[1] = RGB_TO_U_BT709(s->envelope_rgba[0], s->envelope_rgba[1], s->envelope_rgba[2], 0);
236  s->envelope_color[2] = RGB_TO_V_BT709(s->envelope_rgba[0], s->envelope_rgba[1], s->envelope_rgba[2], 0);
237  s->envelope_color[3] = s->envelope_rgba[3];
238  }
239 
240  s->fg_color[3] = s->fgopacity * 255;
241  s->bg_color[3] = s->bgopacity * 255;
242 
243  s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, s->desc->log2_chroma_h);
244  s->planeheight[0] = s->planeheight[3] = inlink->h;
245  s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, s->desc->log2_chroma_w);
246  s->planewidth[0] = s->planewidth[3] = inlink->w;
247 
248  return 0;
249 }
250 
251 static int config_output(AVFilterLink *outlink)
252 {
253  AVFilterContext *ctx = outlink->src;
254  HistogramContext *s = ctx->priv;
255  int ncomp = 0, i;
256 
257  if (!strcmp(ctx->filter->name, "thistogram"))
258  s->thistogram = 1;
259 
260  for (i = 0; i < s->ncomp; i++) {
261  if ((1 << i) & s->components)
262  ncomp++;
263  }
264 
265  if (s->thistogram) {
266  if (!s->width)
267  s->width = ctx->inputs[0]->w;
268  outlink->w = s->width * FFMAX(ncomp * (s->display_mode == 1), 1);
269  outlink->h = s->histogram_size * FFMAX(ncomp * (s->display_mode == 2), 1);
270  } else {
271  outlink->w = s->histogram_size * FFMAX(ncomp * (s->display_mode == 1), 1);
272  outlink->h = (s->level_height + s->scale_height) * FFMAX(ncomp * (s->display_mode == 2), 1);
273  }
274 
275  s->odesc = av_pix_fmt_desc_get(outlink->format);
276  s->dncomp = s->odesc->nb_components;
277  outlink->sample_aspect_ratio = (AVRational){1,1};
278 
279  return 0;
280 }
281 
282 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
283 {
284  HistogramContext *s = inlink->dst->priv;
285  AVFilterContext *ctx = inlink->dst;
286  AVFilterLink *outlink = ctx->outputs[0];
287  AVFrame *out = s->out;
288  int i, j, k, l, m;
289 
290  if (!s->thistogram || !out) {
291  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
292  if (!out) {
293  av_frame_free(&in);
294  return AVERROR(ENOMEM);
295  }
296  s->out = out;
297 
298  for (k = 0; k < 4 && out->data[k]; k++) {
299  const int is_chroma = (k == 1 || k == 2);
300  const int dst_h = AV_CEIL_RSHIFT(outlink->h, (is_chroma ? s->odesc->log2_chroma_h : 0));
301  const int dst_w = AV_CEIL_RSHIFT(outlink->w, (is_chroma ? s->odesc->log2_chroma_w : 0));
302 
303  if (s->histogram_size <= 256) {
304  for (i = 0; i < dst_h ; i++)
305  memset(out->data[s->odesc->comp[k].plane] +
306  i * out->linesize[s->odesc->comp[k].plane],
307  s->bg_color[k], dst_w);
308  } else {
309  const int mult = s->mult;
310 
311  for (i = 0; i < dst_h ; i++)
312  for (j = 0; j < dst_w; j++)
313  AV_WN16(out->data[s->odesc->comp[k].plane] +
314  i * out->linesize[s->odesc->comp[k].plane] + j * 2,
315  s->bg_color[k] * mult);
316  }
317  }
318  }
319 
320  for (m = 0, k = 0; k < s->ncomp; k++) {
321  const int p = s->desc->comp[k].plane;
322  const int max_value = s->histogram_size - 1 - s->start[p];
323  const int height = s->planeheight[p];
324  const int width = s->planewidth[p];
325  double max_hval_log;
326  unsigned max_hval = 0;
327  int starty, startx;
328 
329  if (!((1 << k) & s->components))
330  continue;
331  if (s->thistogram) {
332  starty = m * s->histogram_size * (s->display_mode == 2);
333  startx = m++ * s->width * (s->display_mode == 1);
334  } else {
335  startx = m * s->histogram_size * (s->display_mode == 1);
336  starty = m++ * (s->level_height + s->scale_height) * (s->display_mode == 2);
337  }
338 
339  if (s->histogram_size <= 256) {
340  for (i = 0; i < height; i++) {
341  const uint8_t *src = in->data[p] + i * in->linesize[p];
342  for (j = 0; j < width; j++)
343  s->histogram[src[j]]++;
344  }
345  } else {
346  for (i = 0; i < height; i++) {
347  const uint16_t *src = (const uint16_t *)(in->data[p] + i * in->linesize[p]);
348  for (j = 0; j < width; j++)
349  s->histogram[src[j]]++;
350  }
351  }
352 
353  for (i = 0; i < s->histogram_size; i++)
354  max_hval = FFMAX(max_hval, s->histogram[i]);
355  max_hval_log = log2(max_hval + 1);
356 
357  if (s->thistogram) {
358  const int bpp = 1 + (s->histogram_size > 256);
359  int minh = s->histogram_size - 1, maxh = 0;
360 
361  if (s->slide == 2) {
362  s->x_pos = out->width - 1;
363  for (j = 0; j < outlink->h; j++) {
364  memmove(out->data[p] + j * out->linesize[p] ,
365  out->data[p] + j * out->linesize[p] + bpp,
366  (outlink->w - 1) * bpp);
367  }
368  } else if (s->slide == 3) {
369  s->x_pos = 0;
370  for (j = 0; j < outlink->h; j++) {
371  memmove(out->data[p] + j * out->linesize[p] + bpp,
372  out->data[p] + j * out->linesize[p],
373  (outlink->w - 1) * bpp);
374  }
375  }
376 
377  for (int i = 0; i < s->histogram_size; i++) {
378  int idx = s->histogram_size - i - 1;
379  int value = s->start[p];
380 
381  if (s->envelope && s->histogram[idx]) {
382  minh = FFMIN(minh, i);
383  maxh = FFMAX(maxh, i);
384  }
385 
386  if (s->levels_mode)
387  value += lrint(max_value * (log2(s->histogram[idx] + 1) / max_hval_log));
388  else
389  value += lrint(max_value * s->histogram[idx] / (float)max_hval);
390 
391  if (s->histogram_size <= 256) {
392  s->out->data[p][(i + starty) * s->out->linesize[p] + startx + s->x_pos] = value;
393  } else {
394  AV_WN16(s->out->data[p] + (i + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, value);
395  }
396  }
397 
398  if (s->envelope) {
399  if (s->histogram_size <= 256) {
400  s->out->data[0][(minh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[0];
401  s->out->data[0][(maxh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[0];
402  if (s->dncomp >= 3) {
403  s->out->data[1][(minh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[1];
404  s->out->data[2][(minh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[2];
405  s->out->data[1][(maxh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[1];
406  s->out->data[2][(maxh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[2];
407  }
408  } else {
409  const int mult = s->mult;
410 
411  AV_WN16(s->out->data[0] + (minh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[0] * mult);
412  AV_WN16(s->out->data[0] + (maxh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[0] * mult);
413  if (s->dncomp >= 3) {
414  AV_WN16(s->out->data[1] + (minh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[1] * mult);
415  AV_WN16(s->out->data[2] + (minh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[2] * mult);
416  AV_WN16(s->out->data[1] + (maxh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[1] * mult);
417  AV_WN16(s->out->data[2] + (maxh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[2] * mult);
418  }
419  }
420  }
421  } else {
422  for (i = 0; i < s->histogram_size; i++) {
423  int col_height;
424 
425  if (s->levels_mode)
426  col_height = lrint(s->level_height * (1. - (log2(s->histogram[i] + 1) / max_hval_log)));
427  else
428  col_height = s->level_height - (s->histogram[i] * (int64_t)s->level_height + max_hval - 1) / max_hval;
429 
430  if (s->histogram_size <= 256) {
431  for (j = s->level_height - 1; j >= col_height; j--) {
432  if (s->display_mode) {
433  for (l = 0; l < s->dncomp; l++)
434  out->data[l][(j + starty) * out->linesize[l] + startx + i] = s->fg_color[l];
435  } else {
436  out->data[p][(j + starty) * out->linesize[p] + startx + i] = 255;
437  }
438  }
439  for (j = s->level_height + s->scale_height - 1; j >= s->level_height; j--)
440  out->data[p][(j + starty) * out->linesize[p] + startx + i] = i;
441  } else {
442  const int mult = s->mult;
443 
444  for (j = s->level_height - 1; j >= col_height; j--) {
445  if (s->display_mode) {
446  for (l = 0; l < s->dncomp; l++)
447  AV_WN16(out->data[l] + (j + starty) * out->linesize[l] + startx * 2 + i * 2, s->fg_color[l] * mult);
448  } else {
449  AV_WN16(out->data[p] + (j + starty) * out->linesize[p] + startx * 2 + i * 2, 255 * mult);
450  }
451  }
452  for (j = s->level_height + s->scale_height - 1; j >= s->level_height; j--)
453  AV_WN16(out->data[p] + (j + starty) * out->linesize[p] + startx * 2 + i * 2, i);
454  }
455  }
456  }
457 
458  memset(s->histogram, 0, s->histogram_size * sizeof(unsigned));
459  }
460 
461  out->pts = in->pts;
462  av_frame_free(&in);
463  s->x_pos++;
464  if (s->x_pos >= s->width) {
465  s->x_pos = 0;
466  if (s->thistogram && (s->slide == 4 || s->slide == 0)) {
467  s->out = NULL;
468  goto end;
469  }
470  } else if (s->thistogram && s->slide == 4) {
471  return 0;
472  }
473 
474  if (s->thistogram) {
475  AVFrame *clone = av_frame_clone(out);
476 
477  if (!clone)
478  return AVERROR(ENOMEM);
479  return ff_filter_frame(outlink, clone);
480  }
481 end:
482  return ff_filter_frame(outlink, out);
483 }
484 
485 static const AVFilterPad inputs[] = {
486  {
487  .name = "default",
488  .type = AVMEDIA_TYPE_VIDEO,
489  .filter_frame = filter_frame,
490  .config_props = config_input,
491  },
492  { NULL }
493 };
494 
495 static const AVFilterPad outputs[] = {
496  {
497  .name = "default",
498  .type = AVMEDIA_TYPE_VIDEO,
499  .config_props = config_output,
500  },
501  { NULL }
502 };
503 
504 #if CONFIG_HISTOGRAM_FILTER
505 
507  .name = "histogram",
508  .description = NULL_IF_CONFIG_SMALL("Compute and draw a histogram."),
509  .priv_size = sizeof(HistogramContext),
511  .inputs = inputs,
512  .outputs = outputs,
513  .priv_class = &histogram_class,
514 };
515 
516 #endif /* CONFIG_HISTOGRAM_FILTER */
517 
518 #if CONFIG_THISTOGRAM_FILTER
519 
520 static av_cold void uninit(AVFilterContext *ctx)
521 {
522  HistogramContext *s = ctx->priv;
523 
524  av_frame_free(&s->out);
525 }
526 
527 static const AVOption thistogram_options[] = {
528  { "width", "set width", OFFSET(width), AV_OPT_TYPE_INT, {.i64=0}, 0, 8192, FLAGS},
529  { "w", "set width", OFFSET(width), AV_OPT_TYPE_INT, {.i64=0}, 0, 8192, FLAGS},
531  { "bgopacity", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.9}, 0, 1, FLAGS},
532  { "b", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.9}, 0, 1, FLAGS},
533  { "envelope", "display envelope", OFFSET(envelope), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
534  { "e", "display envelope", OFFSET(envelope), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
535  { "ecolor", "set envelope color", OFFSET(envelope_rgba), AV_OPT_TYPE_COLOR, {.str="gold"}, 0, 0, FLAGS },
536  { "ec", "set envelope color", OFFSET(envelope_rgba), AV_OPT_TYPE_COLOR, {.str="gold"}, 0, 0, FLAGS },
537  { "slide", "set slide mode", OFFSET(slide), AV_OPT_TYPE_INT, {.i64=1}, 0, 4, FLAGS, "slide" },
538  {"frame", "draw new frames", OFFSET(slide), AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "slide"},
539  {"replace", "replace old columns with new", OFFSET(slide), AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "slide"},
540  {"scroll", "scroll from right to left", OFFSET(slide), AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "slide"},
541  {"rscroll", "scroll from left to right", OFFSET(slide), AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, FLAGS, "slide"},
542  {"picture", "display graph in single frame", OFFSET(slide), AV_OPT_TYPE_CONST, {.i64=4}, 0, 0, FLAGS, "slide"},
543  { NULL }
544 };
545 
546 AVFILTER_DEFINE_CLASS(thistogram);
547 
549  .name = "thistogram",
550  .description = NULL_IF_CONFIG_SMALL("Compute and draw a temporal histogram."),
551  .priv_size = sizeof(HistogramContext),
553  .inputs = inputs,
554  .outputs = outputs,
555  .uninit = uninit,
556  .priv_class = &thistogram_class,
557 };
558 
559 #endif /* CONFIG_THISTOGRAM_FILTER */
AVFilter ff_vf_histogram
AVFilter ff_vf_thistogram
#define av_cold
Definition: attributes.h:88
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)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
uint8_t
simple assert() macros that are a bit more flexible than ISO C assert().
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1096
Main libavfilter public API header.
#define s(width, name)
Definition: cbs_vp9.c:257
#define FFMIN(a, b)
Definition: common.h:105
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
#define FFMAX(a, b)
Definition: common.h:103
#define NULL
Definition: coverity.c:32
long long int64_t
Definition: coverity.c:34
static av_cold int uninit(AVCodecContext *avctx)
Definition: crystalhd.c:279
double value
Definition: eval.c:98
int ff_formats_ref(AVFilterFormats *f, AVFilterFormats **ref)
Add ref as a new reference to formats.
Definition: formats.c:466
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:286
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
@ AV_OPT_TYPE_INT
Definition: opt.h:225
@ AV_OPT_TYPE_FLOAT
Definition: opt.h:228
@ AV_OPT_TYPE_BOOL
Definition: opt.h:242
@ AV_OPT_TYPE_COLOR
Definition: opt.h:240
#define AVERROR(e)
Definition: error.h:43
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:540
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:203
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
misc image utilities
int i
Definition: input.c:407
#define AV_WN16(p, v)
Definition: intreadwrite.h:372
static int16_t mult(Float11 *f1, Float11 *f2)
Definition: g726.c:55
Various defines for YUV<->RGB conversion.
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
#define log2(x)
Definition: libm.h:404
const char * desc
Definition: libsvtav1.c:79
AVOptions.
misc parsing utilities
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2573
#define AV_PIX_FMT_FLAG_RGB
The pixel format contains RGB-like data (as opposed to YUV/grayscale).
Definition: pixdesc.h:148
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:420
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:406
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:398
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:399
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:405
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:414
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:397
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:438
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:403
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:436
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:434
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:404
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:415
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:400
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:416
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:396
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:433
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:437
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:177
@ AV_PIX_FMT_YUVJ411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:258
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:215
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:176
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
#define AV_PIX_FMT_YUVA422P12
Definition: pixfmt.h:439
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:419
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:435
#define AV_PIX_FMT_YUVA444P12
Definition: pixfmt.h:440
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:402
static const SheerTable rgb[2]
Describe the class of an AVClass context structure.
Definition: log.h:67
An instance of a filter.
Definition: avfilter.h:341
void * priv
private data for use by the filter
Definition: avfilter.h:356
A list of supported formats for one end of a filter link.
Definition: formats.h:65
int * formats
list of media formats
Definition: formats.h:67
unsigned nb_formats
number of formats
Definition: formats.h:66
A filter pad used for either input or output.
Definition: internal.h:54
const char * name
Pad name.
Definition: internal.h:60
Filter definition.
Definition: avfilter.h:145
const char * name
Filter name.
Definition: avfilter.h:149
This structure describes decoded (raw) audio or video data.
Definition: frame.h:318
AVOption.
Definition: opt.h:248
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
Rational number (pair of numerator and denominator).
Definition: rational.h:58
const AVPixFmtDescriptor * odesc
Definition: vf_histogram.c:53
const AVPixFmtDescriptor * desc
Definition: vf_histogram.c:53
uint8_t envelope_rgba[4]
Definition: vf_histogram.c:47
unsigned histogram[256 *256]
Definition: vf_histogram.c:38
uint8_t fg_color[4]
Definition: vf_histogram.c:46
uint8_t envelope_color[4]
Definition: vf_histogram.c:48
uint8_t bg_color[4]
Definition: vf_histogram.c:45
Definition: rpzaenc.c:58
#define lrint
Definition: tablegen.h:53
#define src
Definition: vp8dsp.c:255
FILE * out
Definition: movenc.c:54
AVFormatContext * ctx
Definition: movenc.c:48
#define height
#define width
static enum AVPixelFormat out_pix_fmts[]
Definition: vf_ciescope.c:133
static const uint8_t black_yuva_color[4]
Definition: vf_histogram.c:202
static const AVOption histogram_options[]
Definition: vf_histogram.c:79
static enum AVPixelFormat levels_in_pix_fmts[]
Definition: vf_histogram.c:92
static enum AVPixelFormat levels_out_rgb10_pix_fmts[]
Definition: vf_histogram.c:141
#define COMMON_OPTIONS
Definition: vf_histogram.c:66
static int query_formats(AVFilterContext *ctx)
Definition: vf_histogram.c:151
static const uint8_t white_yuva_color[4]
Definition: vf_histogram.c:204
static int config_input(AVFilterLink *inlink)
Definition: vf_histogram.c:207
#define FLAGS
Definition: vf_histogram.c:64
static const AVFilterPad inputs[]
Definition: vf_histogram.c:485
static const AVFilterPad outputs[]
Definition: vf_histogram.c:495
static enum AVPixelFormat levels_out_rgb8_pix_fmts[]
Definition: vf_histogram.c:131
static enum AVPixelFormat levels_out_rgb12_pix_fmts[]
Definition: vf_histogram.c:146
static enum AVPixelFormat levels_out_rgb9_pix_fmts[]
Definition: vf_histogram.c:136
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_histogram.c:282
static const uint8_t white_gbrp_color[4]
Definition: vf_histogram.c:205
static enum AVPixelFormat levels_out_yuv10_pix_fmts[]
Definition: vf_histogram.c:121
static enum AVPixelFormat levels_out_yuv12_pix_fmts[]
Definition: vf_histogram.c:126
#define OFFSET(x)
Definition: vf_histogram.c:63
static int config_output(AVFilterLink *outlink)
Definition: vf_histogram.c:251
AVFILTER_DEFINE_CLASS(histogram)
static const uint8_t black_gbrp_color[4]
Definition: vf_histogram.c:203
static enum AVPixelFormat levels_out_yuv9_pix_fmts[]
Definition: vf_histogram.c:116
static enum AVPixelFormat levels_out_yuv8_pix_fmts[]
Definition: vf_histogram.c:111
static float envelope(const float x)
Definition: vf_monochrome.c:46
#define RGB_TO_Y_BT709(r, g, b)
#define RGB_TO_U_BT709(r1, g1, b1, max)
#define RGB_TO_V_BT709(r1, g1, b1, max)
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
uint8_t bits
Definition: vp3data.h:141