FFmpeg  4.3.9
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  unsigned histogram[256*256];
39  int width;
40  int x_pos;
41  int mult;
42  int ncomp;
43  int dncomp;
54  float fgopacity;
55  float bgopacity;
56  int planewidth[4];
57  int planeheight[4];
58  int start[4];
61 
62 #define OFFSET(x) offsetof(HistogramContext, x)
63 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
64 
65 #define COMMON_OPTIONS \
66  { "display_mode", "set display mode", OFFSET(display_mode), AV_OPT_TYPE_INT, {.i64=2}, 0, 2, FLAGS, "display_mode"}, \
67  { "d", "set display mode", OFFSET(display_mode), AV_OPT_TYPE_INT, {.i64=2}, 0, 2, FLAGS, "display_mode"}, \
68  { "overlay", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "display_mode" }, \
69  { "parade", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "display_mode" }, \
70  { "stack", NULL, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "display_mode" }, \
71  { "levels_mode", "set levels mode", OFFSET(levels_mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS, "levels_mode"}, \
72  { "m", "set levels mode", OFFSET(levels_mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS, "levels_mode"}, \
73  { "linear", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "levels_mode" }, \
74  { "logarithmic", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "levels_mode" }, \
75  { "components", "set color components to display", OFFSET(components), AV_OPT_TYPE_INT, {.i64=7}, 1, 15, FLAGS}, \
76  { "c", "set color components to display", OFFSET(components), AV_OPT_TYPE_INT, {.i64=7}, 1, 15, FLAGS},
77 
78 static const AVOption histogram_options[] = {
79  { "level_height", "set level height", OFFSET(level_height), AV_OPT_TYPE_INT, {.i64=200}, 50, 2048, FLAGS},
80  { "scale_height", "set scale height", OFFSET(scale_height), AV_OPT_TYPE_INT, {.i64=12}, 0, 40, FLAGS},
82  { "fgopacity", "set foreground opacity", OFFSET(fgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.7}, 0, 1, FLAGS},
83  { "f", "set foreground opacity", OFFSET(fgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.7}, 0, 1, FLAGS},
84  { "bgopacity", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGS},
85  { "b", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGS},
86  { NULL }
87 };
88 
90 
91 static const enum AVPixelFormat levels_in_pix_fmts[] = {
108 };
109 
113 };
114 
118 };
119 
123 };
124 
128 };
129 
133 };
134 
138 };
139 
143 };
144 
148 };
149 
151 {
152  AVFilterFormats *avff;
153  const AVPixFmtDescriptor *desc;
154  const enum AVPixelFormat *out_pix_fmts;
155  int rgb, i, bits;
156  int ret;
157 
158  if (!ctx->inputs[0]->in_formats ||
159  !ctx->inputs[0]->in_formats->nb_formats) {
160  return AVERROR(EAGAIN);
161  }
162 
163  if (!ctx->inputs[0]->out_formats)
165  return ret;
166  avff = ctx->inputs[0]->in_formats;
167  desc = av_pix_fmt_desc_get(avff->formats[0]);
168  rgb = desc->flags & AV_PIX_FMT_FLAG_RGB;
169  bits = desc->comp[0].depth;
170  for (i = 1; i < avff->nb_formats; i++) {
171  desc = av_pix_fmt_desc_get(avff->formats[i]);
172  if ((rgb != (desc->flags & AV_PIX_FMT_FLAG_RGB)) ||
173  (bits != desc->comp[0].depth))
174  return AVERROR(EAGAIN);
175  }
176 
177  if (rgb && bits == 8)
178  out_pix_fmts = levels_out_rgb8_pix_fmts;
179  else if (rgb && bits == 9)
180  out_pix_fmts = levels_out_rgb9_pix_fmts;
181  else if (rgb && bits == 10)
182  out_pix_fmts = levels_out_rgb10_pix_fmts;
183  else if (rgb && bits == 12)
184  out_pix_fmts = levels_out_rgb12_pix_fmts;
185  else if (bits == 8)
186  out_pix_fmts = levels_out_yuv8_pix_fmts;
187  else if (bits == 9)
188  out_pix_fmts = levels_out_yuv9_pix_fmts;
189  else if (bits == 10)
190  out_pix_fmts = levels_out_yuv10_pix_fmts;
191  else if (bits == 12)
192  out_pix_fmts = levels_out_yuv12_pix_fmts;
193  else
194  return AVERROR(EAGAIN);
195  if ((ret = ff_formats_ref(ff_make_format_list(out_pix_fmts), &ctx->outputs[0]->in_formats)) < 0)
196  return ret;
197 
198  return 0;
199 }
200 
201 static const uint8_t black_yuva_color[4] = { 0, 127, 127, 255 };
202 static const uint8_t black_gbrp_color[4] = { 0, 0, 0, 255 };
203 static const uint8_t white_yuva_color[4] = { 255, 127, 127, 255 };
204 static const uint8_t white_gbrp_color[4] = { 255, 255, 255, 255 };
205 
206 static int config_input(AVFilterLink *inlink)
207 {
208  HistogramContext *s = inlink->dst->priv;
209 
210  s->desc = av_pix_fmt_desc_get(inlink->format);
211  s->ncomp = s->desc->nb_components;
212  s->histogram_size = 1 << s->desc->comp[0].depth;
213  s->mult = s->histogram_size / 256;
214 
215  switch (inlink->format) {
216  case AV_PIX_FMT_GBRAP12:
217  case AV_PIX_FMT_GBRP12:
218  case AV_PIX_FMT_GBRAP10:
219  case AV_PIX_FMT_GBRP10:
220  case AV_PIX_FMT_GBRP9:
221  case AV_PIX_FMT_GBRAP:
222  case AV_PIX_FMT_GBRP:
223  memcpy(s->bg_color, black_gbrp_color, 4);
224  memcpy(s->fg_color, white_gbrp_color, 4);
225  s->start[0] = s->start[1] = s->start[2] = s->start[3] = 0;
226  memcpy(s->envelope_color, s->envelope_rgba, 4);
227  break;
228  default:
229  memcpy(s->bg_color, black_yuva_color, 4);
230  memcpy(s->fg_color, white_yuva_color, 4);
231  s->start[0] = s->start[3] = 0;
232  s->start[1] = s->start[2] = s->histogram_size / 2;
236  s->envelope_color[3] = s->envelope_rgba[3];
237  }
238 
239  s->fg_color[3] = s->fgopacity * 255;
240  s->bg_color[3] = s->bgopacity * 255;
241 
242  s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, s->desc->log2_chroma_h);
243  s->planeheight[0] = s->planeheight[3] = inlink->h;
244  s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, s->desc->log2_chroma_w);
245  s->planewidth[0] = s->planewidth[3] = inlink->w;
246 
247  return 0;
248 }
249 
250 static int config_output(AVFilterLink *outlink)
251 {
252  AVFilterContext *ctx = outlink->src;
253  HistogramContext *s = ctx->priv;
254  int ncomp = 0, i;
255 
256  if (!strcmp(ctx->filter->name, "thistogram"))
257  s->thistogram = 1;
258 
259  for (i = 0; i < s->ncomp; i++) {
260  if ((1 << i) & s->components)
261  ncomp++;
262  }
263 
264  if (s->thistogram) {
265  if (!s->width)
266  s->width = ctx->inputs[0]->w;
267  outlink->w = s->width * FFMAX(ncomp * (s->display_mode == 1), 1);
268  outlink->h = s->histogram_size * FFMAX(ncomp * (s->display_mode == 2), 1);
269  } else {
270  outlink->w = s->histogram_size * FFMAX(ncomp * (s->display_mode == 1), 1);
271  outlink->h = (s->level_height + s->scale_height) * FFMAX(ncomp * (s->display_mode == 2), 1);
272  }
273 
274  s->odesc = av_pix_fmt_desc_get(outlink->format);
275  s->dncomp = s->odesc->nb_components;
276  outlink->sample_aspect_ratio = (AVRational){1,1};
277 
278  return 0;
279 }
280 
281 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
282 {
283  HistogramContext *s = inlink->dst->priv;
284  AVFilterContext *ctx = inlink->dst;
285  AVFilterLink *outlink = ctx->outputs[0];
286  AVFrame *out = s->out;
287  int i, j, k, l, m;
288 
289  if (!s->thistogram || !out) {
290  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
291  if (!out) {
292  av_frame_free(&in);
293  return AVERROR(ENOMEM);
294  }
295  s->out = out;
296 
297  for (k = 0; k < 4 && out->data[k]; k++) {
298  const int is_chroma = (k == 1 || k == 2);
299  const int dst_h = AV_CEIL_RSHIFT(outlink->h, (is_chroma ? s->odesc->log2_chroma_h : 0));
300  const int dst_w = AV_CEIL_RSHIFT(outlink->w, (is_chroma ? s->odesc->log2_chroma_w : 0));
301 
302  if (s->histogram_size <= 256) {
303  for (i = 0; i < dst_h ; i++)
304  memset(out->data[s->odesc->comp[k].plane] +
305  i * out->linesize[s->odesc->comp[k].plane],
306  s->bg_color[k], dst_w);
307  } else {
308  const int mult = s->mult;
309 
310  for (i = 0; i < dst_h ; i++)
311  for (j = 0; j < dst_w; j++)
312  AV_WN16(out->data[s->odesc->comp[k].plane] +
313  i * out->linesize[s->odesc->comp[k].plane] + j * 2,
314  s->bg_color[k] * mult);
315  }
316  }
317  }
318 
319  for (m = 0, k = 0; k < s->ncomp; k++) {
320  const int p = s->desc->comp[k].plane;
321  const int max_value = s->histogram_size - 1 - s->start[p];
322  const int height = s->planeheight[p];
323  const int width = s->planewidth[p];
324  double max_hval_log;
325  unsigned max_hval = 0;
326  int starty, startx;
327 
328  if (!((1 << k) & s->components))
329  continue;
330  if (s->thistogram) {
331  starty = m * s->histogram_size * (s->display_mode == 2);
332  startx = m++ * s->width * (s->display_mode == 1);
333  } else {
334  startx = m * s->histogram_size * (s->display_mode == 1);
335  starty = m++ * (s->level_height + s->scale_height) * (s->display_mode == 2);
336  }
337 
338  if (s->histogram_size <= 256) {
339  for (i = 0; i < height; i++) {
340  const uint8_t *src = in->data[p] + i * in->linesize[p];
341  for (j = 0; j < width; j++)
342  s->histogram[src[j]]++;
343  }
344  } else {
345  for (i = 0; i < height; i++) {
346  const uint16_t *src = (const uint16_t *)(in->data[p] + i * in->linesize[p]);
347  for (j = 0; j < width; j++)
348  s->histogram[src[j]]++;
349  }
350  }
351 
352  for (i = 0; i < s->histogram_size; i++)
353  max_hval = FFMAX(max_hval, s->histogram[i]);
354  max_hval_log = log2(max_hval + 1);
355 
356  if (s->thistogram) {
357  int minh = s->histogram_size - 1, maxh = 0;
358 
359  for (int i = 0; i < s->histogram_size; i++) {
360  int idx = s->histogram_size - i - 1;
361  int value = s->start[p];
362 
363  if (s->envelope && s->histogram[idx]) {
364  minh = FFMIN(minh, i);
365  maxh = FFMAX(maxh, i);
366  }
367 
368  if (s->levels_mode)
369  value += lrint(max_value * (log2(s->histogram[idx] + 1) / max_hval_log));
370  else
371  value += lrint(max_value * s->histogram[idx] / (float)max_hval);
372 
373  if (s->histogram_size <= 256) {
374  s->out->data[p][(i + starty) * s->out->linesize[p] + startx + s->x_pos] = value;
375  } else {
376  AV_WN16(s->out->data[p] + (i + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, value);
377  }
378  }
379 
380  if (s->envelope) {
381  if (s->histogram_size <= 256) {
382  s->out->data[0][(minh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[0];
383  s->out->data[0][(maxh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[0];
384  if (s->dncomp >= 3) {
385  s->out->data[1][(minh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[1];
386  s->out->data[2][(minh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[2];
387  s->out->data[1][(maxh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[1];
388  s->out->data[2][(maxh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[2];
389  }
390  } else {
391  const int mult = s->mult;
392 
393  AV_WN16(s->out->data[0] + (minh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[0] * mult);
394  AV_WN16(s->out->data[0] + (maxh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[0] * mult);
395  if (s->dncomp >= 3) {
396  AV_WN16(s->out->data[1] + (minh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[1] * mult);
397  AV_WN16(s->out->data[2] + (minh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[2] * mult);
398  AV_WN16(s->out->data[1] + (maxh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[1] * mult);
399  AV_WN16(s->out->data[2] + (maxh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[2] * mult);
400  }
401  }
402  }
403  } else {
404  for (i = 0; i < s->histogram_size; i++) {
405  int col_height;
406 
407  if (s->levels_mode)
408  col_height = lrint(s->level_height * (1. - (log2(s->histogram[i] + 1) / max_hval_log)));
409  else
410  col_height = s->level_height - (s->histogram[i] * (int64_t)s->level_height + max_hval - 1) / max_hval;
411 
412  if (s->histogram_size <= 256) {
413  for (j = s->level_height - 1; j >= col_height; j--) {
414  if (s->display_mode) {
415  for (l = 0; l < s->dncomp; l++)
416  out->data[l][(j + starty) * out->linesize[l] + startx + i] = s->fg_color[l];
417  } else {
418  out->data[p][(j + starty) * out->linesize[p] + startx + i] = 255;
419  }
420  }
421  for (j = s->level_height + s->scale_height - 1; j >= s->level_height; j--)
422  out->data[p][(j + starty) * out->linesize[p] + startx + i] = i;
423  } else {
424  const int mult = s->mult;
425 
426  for (j = s->level_height - 1; j >= col_height; j--) {
427  if (s->display_mode) {
428  for (l = 0; l < s->dncomp; l++)
429  AV_WN16(out->data[l] + (j + starty) * out->linesize[l] + startx * 2 + i * 2, s->fg_color[l] * mult);
430  } else {
431  AV_WN16(out->data[p] + (j + starty) * out->linesize[p] + startx * 2 + i * 2, 255 * mult);
432  }
433  }
434  for (j = s->level_height + s->scale_height - 1; j >= s->level_height; j--)
435  AV_WN16(out->data[p] + (j + starty) * out->linesize[p] + startx * 2 + i * 2, i);
436  }
437  }
438  }
439 
440  memset(s->histogram, 0, s->histogram_size * sizeof(unsigned));
441  }
442 
443  out->pts = in->pts;
444  av_frame_free(&in);
445  s->x_pos++;
446  if (s->x_pos >= s->width)
447  s->x_pos = 0;
448 
449  if (s->thistogram) {
450  AVFrame *clone = av_frame_clone(out);
451 
452  if (!clone)
453  return AVERROR(ENOMEM);
454  return ff_filter_frame(outlink, clone);
455  }
456  return ff_filter_frame(outlink, out);
457 }
458 
459 static const AVFilterPad inputs[] = {
460  {
461  .name = "default",
462  .type = AVMEDIA_TYPE_VIDEO,
463  .filter_frame = filter_frame,
464  .config_props = config_input,
465  },
466  { NULL }
467 };
468 
469 static const AVFilterPad outputs[] = {
470  {
471  .name = "default",
472  .type = AVMEDIA_TYPE_VIDEO,
473  .config_props = config_output,
474  },
475  { NULL }
476 };
477 
478 #if CONFIG_HISTOGRAM_FILTER
479 
481  .name = "histogram",
482  .description = NULL_IF_CONFIG_SMALL("Compute and draw a histogram."),
483  .priv_size = sizeof(HistogramContext),
485  .inputs = inputs,
486  .outputs = outputs,
487  .priv_class = &histogram_class,
488 };
489 
490 #endif /* CONFIG_HISTOGRAM_FILTER */
491 
492 #if CONFIG_THISTOGRAM_FILTER
493 
494 static const AVOption thistogram_options[] = {
495  { "width", "set width", OFFSET(width), AV_OPT_TYPE_INT, {.i64=0}, 0, 8192, FLAGS},
496  { "w", "set width", OFFSET(width), AV_OPT_TYPE_INT, {.i64=0}, 0, 8192, FLAGS},
498  { "bgopacity", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.9}, 0, 1, FLAGS},
499  { "b", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.9}, 0, 1, FLAGS},
500  { "envelope", "display envelope", OFFSET(envelope), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
501  { "e", "display envelope", OFFSET(envelope), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
502  { "ecolor", "set envelope color", OFFSET(envelope_rgba), AV_OPT_TYPE_COLOR, {.str="gold"}, 0, 0, FLAGS },
503  { "ec", "set envelope color", OFFSET(envelope_rgba), AV_OPT_TYPE_COLOR, {.str="gold"}, 0, 0, FLAGS },
504  { NULL }
505 };
506 
508 
510  .name = "thistogram",
511  .description = NULL_IF_CONFIG_SMALL("Compute and draw a temporal histogram."),
512  .priv_size = sizeof(HistogramContext),
514  .inputs = inputs,
515  .outputs = outputs,
516  .priv_class = &thistogram_class,
517 };
518 
519 #endif /* CONFIG_THISTOGRAM_FILTER */
static enum AVPixelFormat levels_out_yuv8_pix_fmts[]
Definition: vf_histogram.c:110
int plane
Which of the 4 planes contains the component.
Definition: pixdesc.h:35
#define NULL
Definition: coverity.c:32
#define RGB_TO_Y_BT709(r, g, b)
Definition: colorspace.h:126
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:432
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2549
This structure describes decoded (raw) audio or video data.
Definition: frame.h:300
AVOption.
Definition: opt.h:246
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:434
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:417
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:435
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
misc image utilities
Main libavfilter public API header.
unsigned histogram[256 *256]
Definition: vf_histogram.c:37
static enum AVPixelFormat levels_out_rgb8_pix_fmts[]
Definition: vf_histogram.c:130
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:413
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:401
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:104
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
#define log2(x)
Definition: libm.h:404
uint8_t envelope_rgba[4]
Definition: vf_histogram.c:46
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:300
static enum AVPixelFormat levels_out_rgb12_pix_fmts[]
Definition: vf_histogram.c:145
const char * name
Pad name.
Definition: internal.h:60
AVFilterLink ** inputs
array of pointers to input links
Definition: avfilter.h:346
static const uint8_t black_gbrp_color[4]
Definition: vf_histogram.c:202
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1075
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t
AVOptions.
const AVPixFmtDescriptor * odesc
Definition: vf_histogram.c:52
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:393
#define RGB_TO_V_BT709(r1, g1, b1, shift)
Definition: colorspace.h:134
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:431
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:412
#define height
static const AVFilterPad inputs[]
Definition: vf_histogram.c:459
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
static int config_input(AVFilterLink *inlink)
Definition: vf_histogram.c:206
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:402
static const AVFilterPad outputs[]
Definition: vf_histogram.c:469
#define RGB_TO_U_BT709(r1, g1, b1, shift)
Definition: colorspace.h:130
A filter pad used for either input or output.
Definition: internal.h:54
#define src
Definition: vp8dsp.c:254
static const uint8_t white_gbrp_color[4]
Definition: vf_histogram.c:204
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:176
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
Various defines for YUV<->RGB conversion.
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
#define AVERROR(e)
Definition: error.h:43
#define AV_PIX_FMT_FLAG_RGB
The pixel format contains RGB-like data (as opposed to YUV/grayscale).
Definition: pixdesc.h:148
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
void * priv
private data for use by the filter
Definition: avfilter.h:353
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:418
simple assert() macros that are a bit more flexible than ISO C assert().
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:400
uint8_t bits
Definition: vp3data.h:202
#define OFFSET(x)
Definition: vf_histogram.c:62
#define FFMAX(a, b)
Definition: common.h:94
static enum AVPixelFormat levels_out_rgb10_pix_fmts[]
Definition: vf_histogram.c:140
static enum AVPixelFormat levels_in_pix_fmts[]
Definition: vf_histogram.c:91
uint8_t bg_color[4]
Definition: vf_histogram.c:44
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
#define COMMON_OPTIONS
Definition: vf_histogram.c:65
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
Definition: pixdesc.h:106
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:395
uint8_t nb_components
The number of components each pixel has, (1-4)
Definition: pixdesc.h:83
#define FFMIN(a, b)
Definition: common.h:96
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_YUVA444P12
Definition: pixfmt.h:438
int ff_formats_ref(AVFilterFormats *f, AVFilterFormats **ref)
Add *ref as a new reference to formats.
Definition: formats.c:484
uint8_t envelope_color[4]
Definition: vf_histogram.c:47
AVFormatContext * ctx
Definition: movenc.c:48
#define s(width, name)
Definition: cbs_vp9.c:257
unsigned nb_formats
number of formats
Definition: formats.h:65
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:436
static const AVOption histogram_options[]
Definition: vf_histogram.c:78
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:396
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:541
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:331
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:177
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
long long int64_t
Definition: coverity.c:34
const AVPixFmtDescriptor * desc
Definition: vf_histogram.c:52
static int config_output(AVFilterLink *outlink)
Definition: vf_histogram.c:250
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method !=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2) { ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc) { av_free(ac);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:397
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
double value
Definition: eval.c:98
Describe the class of an AVClass context structure.
Definition: log.h:67
Filter definition.
Definition: avfilter.h:144
Rational number (pair of numerator and denominator).
Definition: rational.h:58
static const uint8_t white_yuva_color[4]
Definition: vf_histogram.c:203
const char * name
Filter name.
Definition: avfilter.h:148
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:403
static enum AVPixelFormat levels_out_yuv12_pix_fmts[]
Definition: vf_histogram.c:125
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:394
misc parsing utilities
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:350
uint8_t fg_color[4]
Definition: vf_histogram.c:45
static enum AVPixelFormat levels_out_rgb9_pix_fmts[]
Definition: vf_histogram.c:135
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:414
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:398
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:404
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:314
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
Y , 8bpp.
Definition: pixfmt.h:74
AVFILTER_DEFINE_CLASS(histogram)
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:215
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:433
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
static enum AVPixelFormat out_pix_fmts[]
Definition: vf_ciescope.c:133
#define FLAGS
Definition: vf_histogram.c:63
static int query_formats(AVFilterContext *ctx)
Definition: vf_histogram.c:150
static const uint8_t black_yuva_color[4]
Definition: vf_histogram.c:201
AVFilter ff_vf_thistogram
static enum AVPixelFormat levels_out_yuv9_pix_fmts[]
Definition: vf_histogram.c:115
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_histogram.c:281
A list of supported formats for one end of a filter link.
Definition: formats.h:64
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:258
#define lrint
Definition: tablegen.h:53
An instance of a filter.
Definition: avfilter.h:338
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
#define AV_WN16(p, v)
Definition: intreadwrite.h:372
AVFilter ff_vf_histogram
internal API functions
int depth
Number of bits in the component.
Definition: pixdesc.h:58
static enum AVPixelFormat levels_out_yuv10_pix_fmts[]
Definition: vf_histogram.c:120
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
const AVFilter * filter
the AVFilter of which this is an instance
Definition: avfilter.h:341
#define AV_PIX_FMT_YUVA422P12
Definition: pixfmt.h:437
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
int * formats
list of media formats
Definition: formats.h:66