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vf_vectorscope.c
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1 /*
2  * Copyright (c) 2015 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/intreadwrite.h"
23 #include "libavutil/opt.h"
24 #include "libavutil/parseutils.h"
25 #include "libavutil/pixdesc.h"
26 #include "libavutil/xga_font_data.h"
27 #include "avfilter.h"
28 #include "formats.h"
29 #include "internal.h"
30 #include "video.h"
31 
32 enum VectorscopeMode {
33  GRAY,
34  COLOR,
35  COLOR2,
36  COLOR3,
37  COLOR4,
38  COLOR5,
39  MODE_NB
40 };
41 
42 typedef struct VectorscopeContext {
43  const AVClass *class;
44  int mode;
45  int intensity;
46  float fintensity;
47  uint16_t bg_color[4];
48  int planewidth[4];
49  int planeheight[4];
50  int hsub, vsub;
51  int x, y, pd;
52  int is_yuv;
53  int size;
54  int depth;
55  int mult;
56  int envelope;
57  int graticule;
58  float opacity;
59  float bgopacity;
60  float lthreshold;
61  float hthreshold;
62  int tmin;
63  int tmax;
64  int flags;
65  int colorspace;
66  int cs;
67  uint8_t *peak_memory;
68  uint8_t **peak;
69 
70  void (*vectorscope)(struct VectorscopeContext *s,
71  AVFrame *in, AVFrame *out, int pd);
72  void (*graticulef)(struct VectorscopeContext *s, AVFrame *out,
73  int X, int Y, int D, int P);
74 } VectorscopeContext;
75 
76 #define OFFSET(x) offsetof(VectorscopeContext, x)
77 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
78 
79 static const AVOption vectorscope_options[] = {
80  { "mode", "set vectorscope mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, MODE_NB-1, FLAGS, "mode"},
81  { "m", "set vectorscope mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, MODE_NB-1, FLAGS, "mode"},
82  { "gray", 0, 0, AV_OPT_TYPE_CONST, {.i64=GRAY}, 0, 0, FLAGS, "mode" },
83  { "color", 0, 0, AV_OPT_TYPE_CONST, {.i64=COLOR}, 0, 0, FLAGS, "mode" },
84  { "color2", 0, 0, AV_OPT_TYPE_CONST, {.i64=COLOR2}, 0, 0, FLAGS, "mode" },
85  { "color3", 0, 0, AV_OPT_TYPE_CONST, {.i64=COLOR3}, 0, 0, FLAGS, "mode" },
86  { "color4", 0, 0, AV_OPT_TYPE_CONST, {.i64=COLOR4}, 0, 0, FLAGS, "mode" },
87  { "color5", 0, 0, AV_OPT_TYPE_CONST, {.i64=COLOR5}, 0, 0, FLAGS, "mode" },
88  { "x", "set color component on X axis", OFFSET(x), AV_OPT_TYPE_INT, {.i64=1}, 0, 2, FLAGS},
89  { "y", "set color component on Y axis", OFFSET(y), AV_OPT_TYPE_INT, {.i64=2}, 0, 2, FLAGS},
90  { "intensity", "set intensity", OFFSET(fintensity), AV_OPT_TYPE_FLOAT, {.dbl=0.004}, 0, 1, FLAGS},
91  { "i", "set intensity", OFFSET(fintensity), AV_OPT_TYPE_FLOAT, {.dbl=0.004}, 0, 1, FLAGS},
92  { "envelope", "set envelope", OFFSET(envelope), AV_OPT_TYPE_INT, {.i64=0}, 0, 3, FLAGS, "envelope"},
93  { "e", "set envelope", OFFSET(envelope), AV_OPT_TYPE_INT, {.i64=0}, 0, 3, FLAGS, "envelope"},
94  { "none", 0, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "envelope" },
95  { "instant", 0, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "envelope" },
96  { "peak", 0, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "envelope" },
97  { "peak+instant", 0, 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, FLAGS, "envelope" },
98  { "graticule", "set graticule", OFFSET(graticule), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGS, "graticule"},
99  { "g", "set graticule", OFFSET(graticule), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGS, "graticule"},
100  { "none", 0, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "graticule" },
101  { "green", 0, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "graticule" },
102  { "color", 0, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "graticule" },
103  { "opacity", "set graticule opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGS},
104  { "o", "set graticule opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGS},
105  { "flags", "set graticule flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=4}, 0, 7, FLAGS, "flags"},
106  { "f", "set graticule flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=4}, 0, 7, FLAGS, "flags"},
107  { "white", "draw white point", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "flags" },
108  { "black", "draw black point", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "flags" },
109  { "name", "draw point name", 0, AV_OPT_TYPE_CONST, {.i64=4}, 0, 0, FLAGS, "flags" },
110  { "bgopacity", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.3}, 0, 1, FLAGS},
111  { "b", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.3}, 0, 1, FLAGS},
112  { "lthreshold", "set low threshold", OFFSET(lthreshold), AV_OPT_TYPE_FLOAT, {.dbl=0}, 0, 1, FLAGS},
113  { "l", "set low threshold", OFFSET(lthreshold), AV_OPT_TYPE_FLOAT, {.dbl=0}, 0, 1, FLAGS},
114  { "hthreshold", "set high threshold", OFFSET(hthreshold), AV_OPT_TYPE_FLOAT, {.dbl=1}, 0, 1, FLAGS},
115  { "h", "set high threshold", OFFSET(hthreshold), AV_OPT_TYPE_FLOAT, {.dbl=1}, 0, 1, FLAGS},
116  { "colorspace", "set colorspace", OFFSET(colorspace), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGS, "colorspace"},
117  { "c", "set colorspace", OFFSET(colorspace), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGS, "colorspace"},
118  { "auto", 0, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "colorspace" },
119  { "601", 0, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "colorspace" },
120  { "709", 0, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "colorspace" },
121  { NULL }
122 };
123 
124 AVFILTER_DEFINE_CLASS(vectorscope);
125 
126 static const enum AVPixelFormat out_yuv8_pix_fmts[] = {
127  AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P,
128  AV_PIX_FMT_NONE
129 };
130 
131 static const enum AVPixelFormat out_yuv9_pix_fmts[] = {
132  AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUV444P9,
133  AV_PIX_FMT_NONE
134 };
135 
136 static const enum AVPixelFormat out_yuv10_pix_fmts[] = {
137  AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUV444P10,
138  AV_PIX_FMT_NONE
139 };
140 
141 static const enum AVPixelFormat out_yuv12_pix_fmts[] = {
142  AV_PIX_FMT_YUV444P12,
143  AV_PIX_FMT_NONE
144 };
145 
146 static const enum AVPixelFormat out_rgb8_pix_fmts[] = {
147  AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRP,
148  AV_PIX_FMT_NONE
149 };
150 
151 static const enum AVPixelFormat out_rgb9_pix_fmts[] = {
152  AV_PIX_FMT_GBRP9,
153  AV_PIX_FMT_NONE
154 };
155 
156 static const enum AVPixelFormat out_rgb10_pix_fmts[] = {
157  AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10,
158  AV_PIX_FMT_NONE
159 };
160 
161 static const enum AVPixelFormat out_rgb12_pix_fmts[] = {
162  AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12,
163  AV_PIX_FMT_NONE
164 };
165 
166 static const enum AVPixelFormat in1_pix_fmts[] = {
167  AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P,
168  AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10,
169  AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10,
170  AV_PIX_FMT_YUV444P12,
171  AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRP,
172  AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10,
173  AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12,
174  AV_PIX_FMT_NONE
175 };
176 
177 static const enum AVPixelFormat in2_pix_fmts[] = {
178  AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVJ420P,
179  AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVJ422P,
180  AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P,
181  AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUVJ411P,
182  AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV410P,
183  AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRP,
184  AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10,
185  AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12,
186  AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
187  AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
188  AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
189  AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
190  AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12,
191  AV_PIX_FMT_NONE
192 };
193 
194 static int query_formats(AVFilterContext *ctx)
195 {
196  VectorscopeContext *s = ctx->priv;
197  const enum AVPixelFormat *out_pix_fmts;
198  const AVPixFmtDescriptor *desc;
199  AVFilterFormats *avff;
200  int depth, rgb, i, ret;
201 
202  if (!ctx->inputs[0]->in_formats ||
203  !ctx->inputs[0]->in_formats->nb_formats) {
204  return AVERROR(EAGAIN);
205  }
206 
207  if (!ctx->inputs[0]->out_formats) {
208  const enum AVPixelFormat *in_pix_fmts;
209 
210  if ((s->x == 1 && s->y == 2) || (s->x == 2 && s->y == 1))
211  in_pix_fmts = in2_pix_fmts;
212  else
213  in_pix_fmts = in1_pix_fmts;
214  if ((ret = ff_formats_ref(ff_make_format_list(in_pix_fmts), &ctx->inputs[0]->out_formats)) < 0)
215  return ret;
216  }
217 
218  avff = ctx->inputs[0]->in_formats;
219  desc = av_pix_fmt_desc_get(avff->formats[0]);
220  rgb = desc->flags & AV_PIX_FMT_FLAG_RGB;
221  depth = desc->comp[0].depth;
222  for (i = 1; i < avff->nb_formats; i++) {
223  desc = av_pix_fmt_desc_get(avff->formats[i]);
224  if (rgb != (desc->flags & AV_PIX_FMT_FLAG_RGB) ||
225  depth != desc->comp[0].depth)
226  return AVERROR(EAGAIN);
227  }
228 
229  if (rgb && depth == 8)
230  out_pix_fmts = out_rgb8_pix_fmts;
231  else if (rgb && depth == 9)
232  out_pix_fmts = out_rgb9_pix_fmts;
233  else if (rgb && depth == 10)
234  out_pix_fmts = out_rgb10_pix_fmts;
235  else if (rgb && depth == 12)
236  out_pix_fmts = out_rgb12_pix_fmts;
237  else if (depth == 8)
238  out_pix_fmts = out_yuv8_pix_fmts;
239  else if (depth == 9)
240  out_pix_fmts = out_yuv9_pix_fmts;
241  else if (depth == 10)
242  out_pix_fmts = out_yuv10_pix_fmts;
243  else if (depth == 12)
244  out_pix_fmts = out_yuv12_pix_fmts;
245  else
246  return AVERROR(EAGAIN);
247  if ((ret = ff_formats_ref(ff_make_format_list(out_pix_fmts), &ctx->outputs[0]->in_formats)) < 0)
248  return ret;
249 
250  return 0;
251 }
252 
253 static int config_output(AVFilterLink *outlink)
254 {
255  VectorscopeContext *s = outlink->src->priv;
256  int i;
257 
258  s->intensity = s->fintensity * (s->size - 1);
259  outlink->h = outlink->w = s->size;
260  outlink->sample_aspect_ratio = (AVRational){1,1};
261 
262  s->peak_memory = av_calloc(s->size, s->size);
263  if (!s->peak_memory)
264  return AVERROR(ENOMEM);
265 
266  s->peak = av_calloc(s->size, sizeof(*s->peak));
267  if (!s->peak)
268  return AVERROR(ENOMEM);
269 
270  for (i = 0; i < s->size; i++)
271  s->peak[i] = s->peak_memory + s->size * i;
272 
273  return 0;
274 }
275 
276 static void envelope_instant16(VectorscopeContext *s, AVFrame *out)
277 {
278  const int dlinesize = out->linesize[0] / 2;
279  uint16_t *dpd = s->mode == COLOR || !s->is_yuv ? (uint16_t *)out->data[s->pd] : (uint16_t *)out->data[0];
280  const int max = s->size - 1;
281  int i, j;
282 
283  for (i = 0; i < out->height; i++) {
284  for (j = 0; j < out->width; j++) {
285  const int pos = i * dlinesize + j;
286  const int poa = (i - 1) * dlinesize + j;
287  const int pob = (i + 1) * dlinesize + j;
288 
289  if (dpd[pos] && (((!j || !dpd[pos - 1]) || ((j == (out->width - 1)) || !dpd[pos + 1]))
290  || ((!i || !dpd[poa]) || ((i == (out->height - 1)) || !dpd[pob])))) {
291  dpd[pos] = max;
292  }
293  }
294  }
295 }
296 
297 static void envelope_peak16(VectorscopeContext *s, AVFrame *out)
298 {
299  const int dlinesize = out->linesize[0] / 2;
300  uint16_t *dpd = s->mode == COLOR || !s->is_yuv ? (uint16_t *)out->data[s->pd] : (uint16_t *)out->data[0];
301  const int max = s->size - 1;
302  int i, j;
303 
304  for (i = 0; i < out->height; i++) {
305  for (j = 0; j < out->width; j++) {
306  const int pos = i * dlinesize + j;
307 
308  if (dpd[pos])
309  s->peak[i][j] = 1;
310  }
311  }
312 
313  if (s->envelope == 3)
314  envelope_instant16(s, out);
315 
316  for (i = 0; i < out->height; i++) {
317  for (j = 0; j < out->width; j++) {
318  const int pos = i * dlinesize + j;
319 
320  if (s->peak[i][j] && (((!j || !s->peak[i][j-1]) || ((j == (out->width - 1)) || !s->peak[i][j + 1]))
321  || ((!i || !s->peak[i-1][j]) || ((i == (out->height - 1)) || !s->peak[i + 1][j])))) {
322  dpd[pos] = max;
323  }
324  }
325  }
326 }
327 
328 static void envelope_instant(VectorscopeContext *s, AVFrame *out)
329 {
330  const int dlinesize = out->linesize[0];
331  uint8_t *dpd = s->mode == COLOR || !s->is_yuv ? out->data[s->pd] : out->data[0];
332  int i, j;
333 
334  for (i = 0; i < out->height; i++) {
335  for (j = 0; j < out->width; j++) {
336  const int pos = i * dlinesize + j;
337  const int poa = (i - 1) * dlinesize + j;
338  const int pob = (i + 1) * dlinesize + j;
339 
340  if (dpd[pos] && (((!j || !dpd[pos - 1]) || ((j == (out->width - 1)) || !dpd[pos + 1]))
341  || ((!i || !dpd[poa]) || ((i == (out->height - 1)) || !dpd[pob])))) {
342  dpd[pos] = 255;
343  }
344  }
345  }
346 }
347 
348 static void envelope_peak(VectorscopeContext *s, AVFrame *out)
349 {
350  const int dlinesize = out->linesize[0];
351  uint8_t *dpd = s->mode == COLOR || !s->is_yuv ? out->data[s->pd] : out->data[0];
352  int i, j;
353 
354  for (i = 0; i < out->height; i++) {
355  for (j = 0; j < out->width; j++) {
356  const int pos = i * dlinesize + j;
357 
358  if (dpd[pos])
359  s->peak[i][j] = 1;
360  }
361  }
362 
363  if (s->envelope == 3)
364  envelope_instant(s, out);
365 
366  for (i = 0; i < out->height; i++) {
367  for (j = 0; j < out->width; j++) {
368  const int pos = i * dlinesize + j;
369 
370  if (s->peak[i][j] && (((!j || !s->peak[i][j-1]) || ((j == (out->width - 1)) || !s->peak[i][j + 1]))
371  || ((!i || !s->peak[i-1][j]) || ((i == (out->height - 1)) || !s->peak[i + 1][j])))) {
372  dpd[pos] = 255;
373  }
374  }
375  }
376 }
377 
378 static void envelope16(VectorscopeContext *s, AVFrame *out)
379 {
380  if (!s->envelope) {
381  return;
382  } else if (s->envelope == 1) {
383  envelope_instant16(s, out);
384  } else {
385  envelope_peak16(s, out);
386  }
387 }
388 
389 static void envelope(VectorscopeContext *s, AVFrame *out)
390 {
391  if (!s->envelope) {
392  return;
393  } else if (s->envelope == 1) {
394  envelope_instant(s, out);
395  } else {
396  envelope_peak(s, out);
397  }
398 }
399 
400 static void vectorscope16(VectorscopeContext *s, AVFrame *in, AVFrame *out, int pd)
401 {
402  const uint16_t * const *src = (const uint16_t * const *)in->data;
403  const int slinesizex = in->linesize[s->x] / 2;
404  const int slinesizey = in->linesize[s->y] / 2;
405  const int slinesized = in->linesize[pd] / 2;
406  const int dlinesize = out->linesize[0] / 2;
407  const int intensity = s->intensity;
408  const int px = s->x, py = s->y;
409  const int h = s->planeheight[py];
410  const int w = s->planewidth[px];
411  const uint16_t *spx = src[px];
412  const uint16_t *spy = src[py];
413  const uint16_t *spd = src[pd];
414  const int hsub = s->hsub;
415  const int vsub = s->vsub;
416  uint16_t **dst = (uint16_t **)out->data;
417  uint16_t *dpx = dst[px];
418  uint16_t *dpy = dst[py];
419  uint16_t *dpd = dst[pd];
420  const int max = s->size - 1;
421  const int mid = s->size / 2;
422  const int tmin = s->tmin;
423  const int tmax = s->tmax;
424  int i, j, k;
425 
426  for (k = 0; k < 4 && dst[k]; k++) {
427  for (i = 0; i < out->height ; i++)
428  for (j = 0; j < out->width; j++)
429  AV_WN16(out->data[k] + i * out->linesize[k] + j * 2,
430  (s->mode == COLOR || s->mode == COLOR5) && k == s->pd ? 0 : s->bg_color[k]);
431  }
432 
433  switch (s->mode) {
434  case COLOR:
435  case COLOR5:
436  case GRAY:
437  if (s->is_yuv) {
438  for (i = 0; i < h; i++) {
439  const int iwx = i * slinesizex;
440  const int iwy = i * slinesizey;
441  const int iwd = i * slinesized;
442  for (j = 0; j < w; j++) {
443  const int x = FFMIN(spx[iwx + j], max);
444  const int y = FFMIN(spy[iwy + j], max);
445  const int z = spd[iwd + j];
446  const int pos = y * dlinesize + x;
447 
448  if (z < tmin || z > tmax)
449  continue;
450 
451  dpd[pos] = FFMIN(dpd[pos] + intensity, max);
452  }
453  }
454  } else {
455  for (i = 0; i < h; i++) {
456  const int iwx = i * slinesizex;
457  const int iwy = i * slinesizey;
458  const int iwd = i * slinesized;
459  for (j = 0; j < w; j++) {
460  const int x = FFMIN(spx[iwx + j], max);
461  const int y = FFMIN(spy[iwy + j], max);
462  const int z = spd[iwd + j];
463  const int pos = y * dlinesize + x;
464 
465  if (z < tmin || z > tmax)
466  continue;
467 
468  dst[0][pos] = FFMIN(dst[0][pos] + intensity, max);
469  dst[1][pos] = FFMIN(dst[1][pos] + intensity, max);
470  dst[2][pos] = FFMIN(dst[2][pos] + intensity, max);
471  }
472  }
473  }
474  break;
475  case COLOR2:
476  if (s->is_yuv) {
477  for (i = 0; i < h; i++) {
478  const int iw1 = i * slinesizex;
479  const int iw2 = i * slinesizey;
480  const int iwd = i * slinesized;
481  for (j = 0; j < w; j++) {
482  const int x = FFMIN(spx[iw1 + j], max);
483  const int y = FFMIN(spy[iw2 + j], max);
484  const int z = spd[iwd + j];
485  const int pos = y * dlinesize + x;
486 
487  if (z < tmin || z > tmax)
488  continue;
489 
490  if (!dpd[pos])
491  dpd[pos] = FFABS(mid - x) + FFABS(mid - y);
492  dpx[pos] = x;
493  dpy[pos] = y;
494  }
495  }
496  } else {
497  for (i = 0; i < h; i++) {
498  const int iw1 = i * slinesizex;
499  const int iw2 = i * slinesizey;
500  const int iwd = i * slinesized;
501  for (j = 0; j < w; j++) {
502  const int x = FFMIN(spx[iw1 + j], max);
503  const int y = FFMIN(spy[iw2 + j], max);
504  const int z = spd[iwd + j];
505  const int pos = y * dlinesize + x;
506 
507  if (z < tmin || z > tmax)
508  continue;
509 
510  if (!dpd[pos])
511  dpd[pos] = FFMIN(x + y, max);
512  dpx[pos] = x;
513  dpy[pos] = y;
514  }
515  }
516  }
517  break;
518  case COLOR3:
519  for (i = 0; i < h; i++) {
520  const int iw1 = i * slinesizex;
521  const int iw2 = i * slinesizey;
522  const int iwd = i * slinesized;
523  for (j = 0; j < w; j++) {
524  const int x = FFMIN(spx[iw1 + j], max);
525  const int y = FFMIN(spy[iw2 + j], max);
526  const int z = spd[iwd + j];
527  const int pos = y * dlinesize + x;
528 
529  if (z < tmin || z > tmax)
530  continue;
531 
532  dpd[pos] = FFMIN(max, dpd[pos] + intensity);
533  dpx[pos] = x;
534  dpy[pos] = y;
535  }
536  }
537  break;
538  case COLOR4:
539  for (i = 0; i < in->height; i++) {
540  const int iwx = (i >> vsub) * slinesizex;
541  const int iwy = (i >> vsub) * slinesizey;
542  const int iwd = i * slinesized;
543  for (j = 0; j < in->width; j++) {
544  const int x = FFMIN(spx[iwx + (j >> hsub)], max);
545  const int y = FFMIN(spy[iwy + (j >> hsub)], max);
546  const int z = spd[iwd + j];
547  const int pos = y * dlinesize + x;
548 
549  if (z < tmin || z > tmax)
550  continue;
551 
552  dpd[pos] = FFMAX(z, dpd[pos]);
553  dpx[pos] = x;
554  dpy[pos] = y;
555  }
556  }
557  break;
558  default:
559  av_assert0(0);
560  }
561 
562  envelope16(s, out);
563 
564  if (dst[3]) {
565  for (i = 0; i < out->height; i++) {
566  for (j = 0; j < out->width; j++) {
567  int pos = i * dlinesize + j;
568 
569  if (dpd[pos])
570  dst[3][pos] = max;
571  }
572  }
573  }
574 
575  if (s->mode == COLOR) {
576  for (i = 0; i < out->height; i++) {
577  for (j = 0; j < out->width; j++) {
578  if (!dpd[i * dlinesize + j]) {
579  dpx[i * dlinesize + j] = j;
580  dpy[i * dlinesize + j] = i;
581  dpd[i * dlinesize + j] = mid;
582  }
583  }
584  }
585  } else if (s->mode == COLOR5) {
586  for (i = 0; i < out->height; i++) {
587  for (j = 0; j < out->width; j++) {
588  if (!dpd[i * dlinesize + j]) {
589  dpx[i * dlinesize + j] = j;
590  dpy[i * dlinesize + j] = i;
591  dpd[i * dlinesize + j] = mid * M_SQRT2 - hypot(i - mid, j - mid);
592  }
593  }
594  }
595  }
596 }
597 
598 static void vectorscope8(VectorscopeContext *s, AVFrame *in, AVFrame *out, int pd)
599 {
600  const uint8_t * const *src = (const uint8_t * const *)in->data;
601  const int slinesizex = in->linesize[s->x];
602  const int slinesizey = in->linesize[s->y];
603  const int slinesized = in->linesize[pd];
604  const int dlinesize = out->linesize[0];
605  const int intensity = s->intensity;
606  const int px = s->x, py = s->y;
607  const int h = s->planeheight[py];
608  const int w = s->planewidth[px];
609  const uint8_t *spx = src[px];
610  const uint8_t *spy = src[py];
611  const uint8_t *spd = src[pd];
612  const int hsub = s->hsub;
613  const int vsub = s->vsub;
614  uint8_t **dst = out->data;
615  uint8_t *dpx = dst[px];
616  uint8_t *dpy = dst[py];
617  uint8_t *dpd = dst[pd];
618  const int tmin = s->tmin;
619  const int tmax = s->tmax;
620  int i, j, k;
621 
622  for (k = 0; k < 4 && dst[k]; k++)
623  for (i = 0; i < out->height ; i++)
624  memset(dst[k] + i * out->linesize[k],
625  (s->mode == COLOR || s->mode == COLOR5) && k == s->pd ? 0 : s->bg_color[k], out->width);
626 
627  switch (s->mode) {
628  case COLOR5:
629  case COLOR:
630  case GRAY:
631  if (s->is_yuv) {
632  for (i = 0; i < h; i++) {
633  const int iwx = i * slinesizex;
634  const int iwy = i * slinesizey;
635  const int iwd = i * slinesized;
636  for (j = 0; j < w; j++) {
637  const int x = spx[iwx + j];
638  const int y = spy[iwy + j];
639  const int z = spd[iwd + j];
640  const int pos = y * dlinesize + x;
641 
642  if (z < tmin || z > tmax)
643  continue;
644 
645  dpd[pos] = FFMIN(dpd[pos] + intensity, 255);
646  }
647  }
648  } else {
649  for (i = 0; i < h; i++) {
650  const int iwx = i * slinesizex;
651  const int iwy = i * slinesizey;
652  const int iwd = i * slinesized;
653  for (j = 0; j < w; j++) {
654  const int x = spx[iwx + j];
655  const int y = spy[iwy + j];
656  const int z = spd[iwd + j];
657  const int pos = y * dlinesize + x;
658 
659  if (z < tmin || z > tmax)
660  continue;
661 
662  dst[0][pos] = FFMIN(dst[0][pos] + intensity, 255);
663  dst[1][pos] = FFMIN(dst[1][pos] + intensity, 255);
664  dst[2][pos] = FFMIN(dst[2][pos] + intensity, 255);
665  }
666  }
667  }
668  break;
669  case COLOR2:
670  if (s->is_yuv) {
671  for (i = 0; i < h; i++) {
672  const int iw1 = i * slinesizex;
673  const int iw2 = i * slinesizey;
674  const int iwd = i * slinesized;
675  for (j = 0; j < w; j++) {
676  const int x = spx[iw1 + j];
677  const int y = spy[iw2 + j];
678  const int z = spd[iwd + j];
679  const int pos = y * dlinesize + x;
680 
681  if (z < tmin || z > tmax)
682  continue;
683 
684  if (!dpd[pos])
685  dpd[pos] = FFABS(128 - x) + FFABS(128 - y);
686  dpx[pos] = x;
687  dpy[pos] = y;
688  }
689  }
690  } else {
691  for (i = 0; i < h; i++) {
692  const int iw1 = i * slinesizex;
693  const int iw2 = i * slinesizey;
694  const int iwd = i * slinesized;
695  for (j = 0; j < w; j++) {
696  const int x = spx[iw1 + j];
697  const int y = spy[iw2 + j];
698  const int z = spd[iwd + j];
699  const int pos = y * dlinesize + x;
700 
701  if (z < tmin || z > tmax)
702  continue;
703 
704  if (!dpd[pos])
705  dpd[pos] = FFMIN(x + y, 255);
706  dpx[pos] = x;
707  dpy[pos] = y;
708  }
709  }
710  }
711  break;
712  case COLOR3:
713  for (i = 0; i < h; i++) {
714  const int iw1 = i * slinesizex;
715  const int iw2 = i * slinesizey;
716  const int iwd = i * slinesized;
717  for (j = 0; j < w; j++) {
718  const int x = spx[iw1 + j];
719  const int y = spy[iw2 + j];
720  const int z = spd[iwd + j];
721  const int pos = y * dlinesize + x;
722 
723  if (z < tmin || z > tmax)
724  continue;
725 
726  dpd[pos] = FFMIN(255, dpd[pos] + intensity);
727  dpx[pos] = x;
728  dpy[pos] = y;
729  }
730  }
731  break;
732  case COLOR4:
733  for (i = 0; i < in->height; i++) {
734  const int iwx = (i >> vsub) * slinesizex;
735  const int iwy = (i >> vsub) * slinesizey;
736  const int iwd = i * slinesized;
737  for (j = 0; j < in->width; j++) {
738  const int x = spx[iwx + (j >> hsub)];
739  const int y = spy[iwy + (j >> hsub)];
740  const int z = spd[iwd + j];
741  const int pos = y * dlinesize + x;
742 
743  if (z < tmin || z > tmax)
744  continue;
745 
746  dpd[pos] = FFMAX(z, dpd[pos]);
747  dpx[pos] = x;
748  dpy[pos] = y;
749  }
750  }
751  break;
752  default:
753  av_assert0(0);
754  }
755 
756  envelope(s, out);
757 
758  if (dst[3]) {
759  for (i = 0; i < out->height; i++) {
760  for (j = 0; j < out->width; j++) {
761  int pos = i * dlinesize + j;
762 
763  if (dpd[pos])
764  dst[3][pos] = 255;
765  }
766  }
767  }
768 
769  if (s->mode == COLOR) {
770  for (i = 0; i < out->height; i++) {
771  for (j = 0; j < out->width; j++) {
772  if (!dpd[i * out->linesize[pd] + j]) {
773  dpx[i * out->linesize[px] + j] = j;
774  dpy[i * out->linesize[py] + j] = i;
775  dpd[i * out->linesize[pd] + j] = 128;
776  }
777  }
778  }
779  } else if (s->mode == COLOR5) {
780  for (i = 0; i < out->height; i++) {
781  for (j = 0; j < out->width; j++) {
782  if (!dpd[i * out->linesize[pd] + j]) {
783  dpx[i * out->linesize[px] + j] = j;
784  dpy[i * out->linesize[py] + j] = i;
785  dpd[i * out->linesize[pd] + j] = 128 * M_SQRT2 - hypot(i - 128, j - 128);
786  }
787  }
788  }
789  }
790 }
791 
792 const static char *positions_name[] = {
793  "R", "B", "Cy", "Yl", "G", "Mg",
794 };
795 
796 const static uint16_t positions[][14][3] = {
797  {
798  { 81, 90, 240 }, { 41, 240, 110 }, { 170, 166, 16 },
799  { 210, 16, 146 }, { 145, 54, 34 }, { 106, 202, 222 },
800  { 162, 44, 142 }, { 131, 156, 44 }, { 112, 72, 58 },
801  { 84, 184, 198 }, { 65, 100, 212 }, { 35, 212, 114 },
802  { 235, 128, 128 }, { 16, 128, 128 } },
803  { { 63, 102, 240 }, { 32, 240, 118 }, { 188, 154, 16 },
804  { 219, 16, 138 }, { 173, 42, 26 }, { 78, 214, 230 },
805  { 28, 212, 120 }, { 51, 109, 212 }, { 63, 193, 204 },
806  { 133, 63, 52 }, { 145, 147, 44 }, { 168, 44, 136 },
807  { 235, 128, 128 }, { 16, 128, 128 } },
808  { { 81*2, 90*2, 240*2 }, { 41*2, 240*2, 110*2 }, { 170*2, 166*2, 16*2 },
809  { 210*2, 16*2, 146*2 }, { 145*2, 54*2, 34*2 }, { 106*2, 202*2, 222*2 },
810  { 162*2, 44*2, 142*2 }, { 131*2, 156*2, 44*2 }, { 112*2, 72*2, 58*2 },
811  { 84*2, 184*2, 198*2 }, { 65*2, 100*2, 212*2 }, { 35*2, 212*2, 114*2 },
812  { 470, 256, 256 }, { 32, 256, 256 } },
813  { { 63*2, 102*2, 240*2 }, { 32*2, 240*2, 118*2 }, { 188*2, 154*2, 16*2 },
814  { 219*2, 16*2, 138*2 }, { 173*2, 42*2, 26*2 }, { 78*2, 214*2, 230*2 },
815  { 28*2, 212*2, 120*2 }, { 51*2, 109*2, 212*2 }, { 63*2, 193*2, 204*2 },
816  { 133*2, 63*2, 52*2 }, { 145*2, 147*2, 44*2 }, { 168*2, 44*2, 136*2 },
817  { 470, 256, 256 }, { 32, 256, 256 } },
818  { { 81*4, 90*4, 240*4 }, { 41*4, 240*4, 110*4 }, { 170*4, 166*4, 16*4 },
819  { 210*4, 16*4, 146*4 }, { 145*4, 54*4, 34*4 }, { 106*4, 202*4, 222*4 },
820  { 162*4, 44*4, 142*4 }, { 131*4, 156*4, 44*4 }, { 112*4, 72*4, 58*4 },
821  { 84*4, 184*4, 198*4 }, { 65*4, 100*4, 212*4 }, { 35*4, 212*4, 114*4 },
822  { 940, 512, 512 }, { 64, 512, 512 } },
823  { { 63*4, 102*4, 240*4 }, { 32*4, 240*4, 118*4 }, { 188*4, 154*4, 16*4 },
824  { 219*4, 16*4, 138*4 }, { 173*4, 42*4, 26*4 }, { 78*4, 214*4, 230*4 },
825  { 28*4, 212*4, 120*4 }, { 51*4, 109*4, 212*4 }, { 63*4, 193*4, 204*4 },
826  { 133*4, 63*4, 52*4 }, { 145*4, 147*4, 44*4 }, { 168*4, 44*4, 136*4 },
827  { 940, 512, 512 }, { 64, 512, 512 } },
828  { { 81*8, 90*4, 240*8 }, { 41*8, 240*8, 110*8 }, { 170*8, 166*8, 16*8 },
829  { 210*8, 16*4, 146*8 }, { 145*8, 54*8, 34*8 }, { 106*8, 202*8, 222*8 },
830  { 162*8, 44*4, 142*8 }, { 131*8, 156*8, 44*8 }, { 112*8, 72*8, 58*8 },
831  { 84*8, 184*4, 198*8 }, { 65*8, 100*8, 212*8 }, { 35*8, 212*8, 114*8 },
832  { 1880, 1024, 1024 }, { 128, 1024, 1024 } },
833  { { 63*8, 102*8, 240*8 }, { 32*8, 240*8, 118*8 }, { 188*8, 154*8, 16*8 },
834  { 219*8, 16*8, 138*8 }, { 173*8, 42*8, 26*8 }, { 78*8, 214*8, 230*8 },
835  { 28*8, 212*8, 120*8 }, { 51*8, 109*8, 212*8 }, { 63*8, 193*8, 204*8 },
836  { 133*8, 63*8, 52*8 }, { 145*8, 147*8, 44*8 }, { 168*8, 44*8, 136*8 },
837  { 1880, 1024, 1024 }, { 128, 1024, 1024 } },
838  { { 81*16, 90*16, 240*16 }, { 41*16, 240*16, 110*16 }, { 170*16, 166*16, 16*16 },
839  { 210*16, 16*16, 146*16 }, { 145*16, 54*16, 34*16 }, { 106*16, 202*16, 222*16 },
840  { 162*16, 44*16, 142*16 }, { 131*16, 156*16, 44*16 }, { 112*16, 72*16, 58*16 },
841  { 84*16, 184*16, 198*16 }, { 65*16, 100*16, 212*16 }, { 35*16, 212*16, 114*16 },
842  { 3760, 2048, 2048 }, { 256, 2048, 2048 } },
843  { { 63*16, 102*16, 240*16 }, { 32*16, 240*16, 118*16 }, { 188*16, 154*16, 16*16 },
844  { 219*16, 16*16, 138*16 }, { 173*16, 42*16, 26*16 }, { 78*16, 214*16, 230*16 },
845  { 28*16, 212*16, 120*16 }, { 51*16, 109*16, 212*16 }, { 63*16, 193*16, 204*16 },
846  { 133*16, 63*16, 52*16 }, { 145*16, 147*16, 44*16 }, { 168*16, 44*16, 136*16 },
847  { 3760, 2048, 2048 }, { 256, 2048, 2048 } },
848 };
849 
850 static void draw_dots(uint8_t *dst, int L, int v, float o)
851 {
852  const float f = 1. - o;
853  const float V = o * v;
854  int l = L * 2;
855 
856  dst[ l - 3] = dst[ l - 3] * f + V;
857  dst[ l + 3] = dst[ l + 3] * f + V;
858  dst[-l - 3] = dst[-l - 3] * f + V;
859  dst[-l + 3] = dst[-l + 3] * f + V;
860 
861  l += L;
862 
863  dst[ l - 3] = dst[ l - 3] * f + V;
864  dst[ l + 3] = dst[ l + 3] * f + V;
865  dst[ l - 2] = dst[ l - 2] * f + V;
866  dst[ l + 2] = dst[ l + 2] * f + V;
867  dst[-l - 3] = dst[-l - 3] * f + V;
868  dst[-l + 3] = dst[-l + 3] * f + V;
869  dst[-l - 2] = dst[-l - 2] * f + V;
870  dst[-l + 2] = dst[-l + 2] * f + V;
871 }
872 
873 static void draw_dots16(uint16_t *dst, int L, int v, float o)
874 {
875  const float f = 1. - o;
876  const float V = o * v;
877  int l = L * 2;
878 
879  dst[ l - 3] = dst[ l - 3] * f + V;
880  dst[ l + 3] = dst[ l + 3] * f + V;
881  dst[-l - 3] = dst[-l - 3] * f + V;
882  dst[-l + 3] = dst[-l + 3] * f + V;
883 
884  l += L;
885 
886  dst[ l - 3] = dst[ l - 3] * f + V;
887  dst[ l + 3] = dst[ l + 3] * f + V;
888  dst[ l - 2] = dst[ l - 2] * f + V;
889  dst[ l + 2] = dst[ l + 2] * f + V;
890  dst[-l - 3] = dst[-l - 3] * f + V;
891  dst[-l + 3] = dst[-l + 3] * f + V;
892  dst[-l - 2] = dst[-l - 2] * f + V;
893  dst[-l + 2] = dst[-l + 2] * f + V;
894 }
895 
896 static void none_graticule(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P)
897 {
898 }
899 
900 static void draw_htext(AVFrame *out, int x, int y, float o1, float o2, const char *txt, const uint8_t color[4])
901 {
902  const uint8_t *font;
903  int font_height;
904  int i, plane;
905 
906  font = avpriv_cga_font, font_height = 8;
907 
908  for (plane = 0; plane < 4 && out->data[plane]; plane++) {
909  for (i = 0; txt[i]; i++) {
910  int char_y, mask;
911  int v = color[plane];
912 
913  uint8_t *p = out->data[plane] + y * out->linesize[plane] + (x + i * 8);
914  for (char_y = font_height - 1; char_y >= 0; char_y--) {
915  for (mask = 0x80; mask; mask >>= 1) {
916  if (font[txt[i] * font_height + char_y] & mask)
917  p[0] = p[0] * o2 + v * o1;
918  p++;
919  }
920  p += out->linesize[plane] - 8;
921  }
922  }
923  }
924 }
925 
926 static void draw_htext16(AVFrame *out, int x, int y, float o1, float o2, const char *txt, const uint16_t color[4])
927 {
928  const uint8_t *font;
929  int font_height;
930  int i, plane;
931 
932  font = avpriv_cga_font, font_height = 8;
933 
934  for (plane = 0; plane < 4 && out->data[plane]; plane++) {
935  for (i = 0; txt[i]; i++) {
936  int char_y, mask;
937  int v = color[plane];
938 
939  uint16_t *p = (uint16_t *)(out->data[plane] + y * out->linesize[plane]) + (x + i * 8);
940  for (char_y = font_height - 1; char_y >= 0; char_y--) {
941  for (mask = 0x80; mask; mask >>= 1) {
942  if (font[txt[i] * font_height + char_y] & mask)
943  p[0] = p[0] * o2 + v * o1;
944  p++;
945  }
946  p += out->linesize[plane] / 2 - 8;
947  }
948  }
949  }
950 }
951 
952 static void color_graticule16(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P)
953 {
954  const int max = s->size - 1;
955  const float o = s->opacity;
956  int i;
957 
958  for (i = 0; i < 12; i++) {
959  int x = positions[P][i][X];
960  int y = positions[P][i][Y];
961  int d = positions[P][i][D];
962 
963  draw_dots16((uint16_t *)(out->data[D] + y * out->linesize[D] + x * 2), out->linesize[D] / 2, d, o);
964  draw_dots16((uint16_t *)(out->data[X] + y * out->linesize[X] + x * 2), out->linesize[X] / 2, x, o);
965  draw_dots16((uint16_t *)(out->data[Y] + y * out->linesize[Y] + x * 2), out->linesize[Y] / 2, y, o);
966  if (out->data[3])
967  draw_dots16((uint16_t *)(out->data[3] + y * out->linesize[3] + x * 2), out->linesize[3] / 2, max, o);
968  }
969 
970  if (s->flags & 1) {
971  int x = positions[P][12][X];
972  int y = positions[P][12][Y];
973  int d = positions[P][12][D];
974 
975  draw_dots16((uint16_t *)(out->data[D] + y * out->linesize[D] + x * 2), out->linesize[D] / 2, d, o);
976  draw_dots16((uint16_t *)(out->data[X] + y * out->linesize[X] + x * 2), out->linesize[X] / 2, x, o);
977  draw_dots16((uint16_t *)(out->data[Y] + y * out->linesize[Y] + x * 2), out->linesize[Y] / 2, y, o);
978  if (out->data[3])
979  draw_dots16((uint16_t *)(out->data[3] + y * out->linesize[3] + x * 2), out->linesize[3] / 2, max, o);
980  }
981 
982  if (s->flags & 2) {
983  int x = positions[P][13][X];
984  int y = positions[P][13][Y];
985  int d = positions[P][13][D];
986 
987  draw_dots16((uint16_t *)(out->data[D] + y * out->linesize[D] + x * 2), out->linesize[D] / 2, d, o);
988  draw_dots16((uint16_t *)(out->data[X] + y * out->linesize[X] + x * 2), out->linesize[X] / 2, x, o);
989  draw_dots16((uint16_t *)(out->data[Y] + y * out->linesize[Y] + x * 2), out->linesize[Y] / 2, y, o);
990  if (out->data[3])
991  draw_dots16((uint16_t *)(out->data[3] + y * out->linesize[3] + x * 2), out->linesize[3] / 2, max, o);
992  }
993 
994  for (i = 0; i < 6 && s->flags & 4; i++) {
995  uint16_t color[4] = { 0, 0, 0, 0 };
996  int x = positions[P][i][X];
997  int y = positions[P][i][Y];
998  int d = positions[P][i][D];
999 
1000  color[D] = d;
1001  color[X] = x;
1002  color[Y] = y;
1003  color[3] = max;
1004 
1005  if (x > max / 2)
1006  x += 8;
1007  else
1008  x -= 14;
1009  if (y > max / 2)
1010  y += 8;
1011  else
1012  y -= 14;
1013 
1014  x = av_clip(x, 0, out->width - 9);
1015  y = av_clip(y, 0, out->height - 9);
1016  draw_htext16(out, x, y, o, 1. - o, positions_name[i], color);
1017  }
1018 }
1019 
1020 static void color_graticule(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P)
1021 {
1022  const float o = s->opacity;
1023  int i;
1024 
1025  for (i = 0; i < 12; i++) {
1026  int x = positions[P][i][X];
1027  int y = positions[P][i][Y];
1028  int d = positions[P][i][D];
1029 
1030  draw_dots(out->data[D] + y * out->linesize[D] + x, out->linesize[D], d, o);
1031  draw_dots(out->data[X] + y * out->linesize[X] + x, out->linesize[X], x, o);
1032  draw_dots(out->data[Y] + y * out->linesize[Y] + x, out->linesize[Y], y, o);
1033  if (out->data[3])
1034  draw_dots(out->data[3] + y * out->linesize[3] + x, out->linesize[3], 255, o);
1035  }
1036 
1037  if (s->flags & 1) {
1038  int x = positions[P][12][X];
1039  int y = positions[P][12][Y];
1040  int d = positions[P][12][D];
1041 
1042  draw_dots(out->data[D] + y * out->linesize[D] + x, out->linesize[D], d, o);
1043  draw_dots(out->data[X] + y * out->linesize[X] + x, out->linesize[X], x, o);
1044  draw_dots(out->data[Y] + y * out->linesize[Y] + x, out->linesize[Y], y, o);
1045  if (out->data[3])
1046  draw_dots(out->data[3] + y * out->linesize[3] + x, out->linesize[3], 255, o);
1047  }
1048 
1049  if (s->flags & 2) {
1050  int x = positions[P][13][X];
1051  int y = positions[P][13][Y];
1052  int d = positions[P][12][D];
1053 
1054  draw_dots(out->data[D] + y * out->linesize[D] + x, out->linesize[D], d, o);
1055  draw_dots(out->data[X] + y * out->linesize[X] + x, out->linesize[X], x, o);
1056  draw_dots(out->data[Y] + y * out->linesize[Y] + x, out->linesize[Y], y, o);
1057  if (out->data[3])
1058  draw_dots(out->data[3] + y * out->linesize[3] + x, out->linesize[3], 255, o);
1059  }
1060 
1061  for (i = 0; i < 6 && s->flags & 4; i++) {
1062  uint8_t color[4] = { 0, 0, 0, 255 };
1063  int x = positions[P][i][X];
1064  int y = positions[P][i][Y];
1065  int d = positions[P][i][D];
1066 
1067  color[D] = d;
1068  color[X] = x;
1069  color[Y] = y;
1070 
1071  if (x > 128)
1072  x += 8;
1073  else
1074  x -= 14;
1075  if (y > 128)
1076  y += 8;
1077  else
1078  y -= 14;
1079 
1080  x = av_clip(x, 0, out->width - 9);
1081  y = av_clip(y, 0, out->height - 9);
1082  draw_htext(out, x, y, o, 1. - o, positions_name[i], color);
1083  }
1084 }
1085 
1086 static void green_graticule16(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P)
1087 {
1088  const int max = s->size - 1;
1089  const float o = s->opacity;
1090  const int m = s->mult;
1091  int i;
1092 
1093  for (i = 0; i < 12; i++) {
1094  int x = positions[P][i][X];
1095  int y = positions[P][i][Y];
1096 
1097  draw_dots16((uint16_t *)(out->data[0] + y * out->linesize[0] + x * 2), out->linesize[0] / 2, 128 * m, o);
1098  draw_dots16((uint16_t *)(out->data[1] + y * out->linesize[1] + x * 2), out->linesize[1] / 2, 0, o);
1099  draw_dots16((uint16_t *)(out->data[2] + y * out->linesize[2] + x * 2), out->linesize[2] / 2, 0, o);
1100  if (out->data[3])
1101  draw_dots16((uint16_t *)(out->data[3] + y * out->linesize[3] + x * 2), out->linesize[3] / 2, max, o);
1102  }
1103 
1104  if (s->flags & 1) {
1105  int x = positions[P][12][X];
1106  int y = positions[P][12][Y];
1107 
1108  draw_dots16((uint16_t *)(out->data[0] + y * out->linesize[0] + x * 2), out->linesize[0] / 2, 128 * m, o);
1109  draw_dots16((uint16_t *)(out->data[1] + y * out->linesize[1] + x * 2), out->linesize[1] / 2, 0, o);
1110  draw_dots16((uint16_t *)(out->data[2] + y * out->linesize[2] + x * 2), out->linesize[2] / 2, 0, o);
1111  if (out->data[3])
1112  draw_dots16((uint16_t *)(out->data[3] + y * out->linesize[3] + x * 2), out->linesize[3] / 2, max, o);
1113  }
1114 
1115  if (s->flags & 2) {
1116  int x = positions[P][13][X];
1117  int y = positions[P][13][Y];
1118 
1119  draw_dots16((uint16_t *)(out->data[0] + y * out->linesize[0] + x * 2), out->linesize[0] / 2, 128 * m, o);
1120  draw_dots16((uint16_t *)(out->data[1] + y * out->linesize[1] + x * 2), out->linesize[1] / 2, 0, o);
1121  draw_dots16((uint16_t *)(out->data[2] + y * out->linesize[2] + x * 2), out->linesize[2] / 2, 0, o);
1122  if (out->data[3])
1123  draw_dots16((uint16_t *)(out->data[3] + y * out->linesize[3] + x * 2), out->linesize[3] / 2, max, o);
1124  }
1125 
1126  for (i = 0; i < 6 && s->flags & 4; i++) {
1127  const uint16_t color[4] = { 128 * m, 0, 0, max };
1128  int x = positions[P][i][X];
1129  int y = positions[P][i][Y];
1130 
1131  if (x > max / 2)
1132  x += 8;
1133  else
1134  x -= 14;
1135  if (y > max / 2)
1136  y += 8;
1137  else
1138  y -= 14;
1139 
1140  x = av_clip(x, 0, out->width - 9);
1141  y = av_clip(y, 0, out->height - 9);
1142  draw_htext16(out, x, y, o, 1. - o, positions_name[i], color);
1143  }
1144 }
1145 
1146 static void green_graticule(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P)
1147 {
1148  const float o = s->opacity;
1149  int i;
1150 
1151  for (i = 0; i < 12; i++) {
1152  int x = positions[P][i][X];
1153  int y = positions[P][i][Y];
1154 
1155  draw_dots(out->data[0] + y * out->linesize[0] + x, out->linesize[0], 128, o);
1156  draw_dots(out->data[1] + y * out->linesize[1] + x, out->linesize[1], 0, o);
1157  draw_dots(out->data[2] + y * out->linesize[2] + x, out->linesize[2], 0, o);
1158  if (out->data[3])
1159  draw_dots(out->data[3] + y * out->linesize[3] + x, out->linesize[3], 255, o);
1160  }
1161 
1162  if (s->flags & 1) {
1163  int x = positions[P][12][X];
1164  int y = positions[P][12][Y];
1165 
1166  draw_dots(out->data[0] + y * out->linesize[0] + x, out->linesize[0], 128, o);
1167  draw_dots(out->data[1] + y * out->linesize[1] + x, out->linesize[1], 0, o);
1168  draw_dots(out->data[2] + y * out->linesize[2] + x, out->linesize[2], 0, o);
1169  if (out->data[3])
1170  draw_dots(out->data[3] + y * out->linesize[3] + x, out->linesize[3], 255, o);
1171  }
1172 
1173  if (s->flags & 2) {
1174  int x = positions[P][13][X];
1175  int y = positions[P][13][Y];
1176 
1177  draw_dots(out->data[0] + y * out->linesize[0] + x, out->linesize[0], 128, o);
1178  draw_dots(out->data[1] + y * out->linesize[1] + x, out->linesize[1], 0, o);
1179  draw_dots(out->data[2] + y * out->linesize[2] + x, out->linesize[2], 0, o);
1180  if (out->data[3])
1181  draw_dots(out->data[3] + y * out->linesize[3] + x, out->linesize[3], 255, o);
1182  }
1183 
1184  for (i = 0; i < 6 && s->flags & 4; i++) {
1185  const uint8_t color[4] = { 128, 0, 0, 255 };
1186  int x = positions[P][i][X];
1187  int y = positions[P][i][Y];
1188 
1189  if (x > 128)
1190  x += 8;
1191  else
1192  x -= 14;
1193  if (y > 128)
1194  y += 8;
1195  else
1196  y -= 14;
1197 
1198  x = av_clip(x, 0, out->width - 9);
1199  y = av_clip(y, 0, out->height - 9);
1200  draw_htext(out, x, y, o, 1. - o, positions_name[i], color);
1201  }
1202 }
1203 
1204 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
1205 {
1206  AVFilterContext *ctx = inlink->dst;
1207  VectorscopeContext *s = ctx->priv;
1208  AVFilterLink *outlink = ctx->outputs[0];
1209  AVFrame *out;
1210  int plane;
1211 
1212  if (s->colorspace) {
1213  s->cs = (s->depth - 8) * 2 + s->colorspace - 1;
1214  } else {
1215  switch (in->colorspace) {
1216  case AVCOL_SPC_SMPTE170M:
1217  case AVCOL_SPC_BT470BG:
1218  s->cs = (s->depth - 8) * 2 + 0;
1219  break;
1220  case AVCOL_SPC_BT709:
1221  default:
1222  s->cs = (s->depth - 8) * 2 + 1;
1223  }
1224  }
1225 
1226  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
1227  if (!out) {
1228  av_frame_free(&in);
1229  return AVERROR(ENOMEM);
1230  }
1231  av_frame_copy_props(out, in);
1232 
1233  s->vectorscope(s, in, out, s->pd);
1234  s->graticulef(s, out, s->x, s->y, s->pd, s->cs);
1235 
1236  for (plane = 0; plane < 4; plane++) {
1237  if (out->data[plane]) {
1238  out->data[plane] += (s->size - 1) * out->linesize[plane];
1239  out->linesize[plane] = -out->linesize[plane];
1240  }
1241  }
1242 
1243  av_frame_free(&in);
1244  return ff_filter_frame(outlink, out);
1245 }
1246 
1247 static int config_input(AVFilterLink *inlink)
1248 {
1249  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
1250  AVFilterContext *ctx = inlink->dst;
1251  VectorscopeContext *s = ctx->priv;
1252 
1253  s->is_yuv = !(desc->flags & AV_PIX_FMT_FLAG_RGB);
1254  s->size = 1 << desc->comp[0].depth;
1255  s->mult = s->size / 256;
1256  s->depth = desc->comp[0].depth;
1257  s->tmin = s->lthreshold * (s->size - 1);
1258  s->tmax = s->hthreshold * (s->size - 1);
1259 
1260  if (s->tmin > s->tmax) {
1261  av_log(ctx, AV_LOG_ERROR, "low threshold should be less than high threshold\n");
1262  return AVERROR(EINVAL);
1263  }
1264 
1265  if (s->mode == GRAY && s->is_yuv)
1266  s->pd = 0;
1267  else {
1268  if ((s->x == 1 && s->y == 2) || (s->x == 2 && s->y == 1))
1269  s->pd = 0;
1270  else if ((s->x == 0 && s->y == 2) || (s->x == 2 && s->y == 0))
1271  s->pd = 1;
1272  else if ((s->x == 0 && s->y == 1) || (s->x == 1 && s->y == 0))
1273  s->pd = 2;
1274  }
1275 
1276  if (s->size == 256)
1277  s->vectorscope = vectorscope8;
1278  else
1279  s->vectorscope = vectorscope16;
1280 
1281  s->graticulef = none_graticule;
1282 
1283  if (s->is_yuv && s->size == 256) {
1284  if (s->graticule == 1)
1285  s->graticulef = green_graticule;
1286  else if (s->graticule == 2)
1287  s->graticulef = color_graticule;
1288  } else if (s->is_yuv) {
1289  if (s->graticule == 1)
1290  s->graticulef = green_graticule16;
1291  else if (s->graticule == 2)
1292  s->graticulef = color_graticule16;
1293  }
1294 
1295  s->bg_color[3] = s->bgopacity * (s->size - 1);
1296 
1297  switch (inlink->format) {
1298  case AV_PIX_FMT_GBRP12:
1299  case AV_PIX_FMT_GBRP10:
1300  case AV_PIX_FMT_GBRP9:
1301  case AV_PIX_FMT_GBRAP:
1302  case AV_PIX_FMT_GBRP:
1303  s->bg_color[0] = 0;
1304  s->bg_color[1] = 0;
1305  s->bg_color[2] = 0;
1306  break;
1307  default:
1308  s->bg_color[0] = 0;
1309  s->bg_color[1] = s->size / 2 - 1;
1310  s->bg_color[2] = s->size / 2 - 1;
1311  }
1312 
1313  s->hsub = desc->log2_chroma_w;
1314  s->vsub = desc->log2_chroma_h;
1315  s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
1316  s->planeheight[0] = s->planeheight[3] = inlink->h;
1317  s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
1318  s->planewidth[0] = s->planewidth[3] = inlink->w;
1319 
1320  return 0;
1321 }
1322 
1323 static av_cold void uninit(AVFilterContext *ctx)
1324 {
1325  VectorscopeContext *s = ctx->priv;
1326 
1327  av_freep(&s->peak);
1328  av_freep(&s->peak_memory);
1329 }
1330 
1331 static const AVFilterPad inputs[] = {
1332  {
1333  .name = "default",
1334  .type = AVMEDIA_TYPE_VIDEO,
1335  .filter_frame = filter_frame,
1336  .config_props = config_input,
1337  },
1338  { NULL }
1339 };
1340 
1341 static const AVFilterPad outputs[] = {
1342  {
1343  .name = "default",
1344  .type = AVMEDIA_TYPE_VIDEO,
1345  .config_props = config_output,
1346  },
1347  { NULL }
1348 };
1349 
1350 AVFilter ff_vf_vectorscope = {
1351  .name = "vectorscope",
1352  .description = NULL_IF_CONFIG_SMALL("Video vectorscope."),
1353  .priv_size = sizeof(VectorscopeContext),
1354  .priv_class = &vectorscope_class,
1355  .query_formats = query_formats,
1356  .uninit = uninit,
1357  .inputs = inputs,
1358  .outputs = outputs,
1359 };
AVCOL_SPC_BT709
also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
Definition: pixfmt.h:488
plane
int plane
Definition: avisynth_c.h:422
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_vectorscope.c:1247
NULL
#define NULL
Definition: coverity.c:32
P
#define P
AV_PIX_FMT_YUVA422P9
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:414
av_pix_fmt_desc_get
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2446
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:226
AVFILTER_DEFINE_CLASS
AVFILTER_DEFINE_CLASS(vectorscope)
h
h
Definition: vp9dsp_template.c:2038
AVOption
AVOption.
Definition: opt.h:246
AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:416
AV_PIX_FMT_GBRAP10
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:399
AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:417
AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
avfilter.h
Main libavfilter public API header.
desc
const char * desc
Definition: nvenc.c:65
AV_OPT_TYPE_INT
Definition: opt.h:223
AVCOL_SPC_BT470BG
also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601 ...
Definition: pixfmt.h:492
envelope_peak
static void envelope_peak(VectorscopeContext *s, AVFrame *out)
Definition: vf_vectorscope.c:348
AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:395
AVCOL_SPC_SMPTE170M
also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
Definition: pixfmt.h:493
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:383
COLOR
Definition: vf_vectorscope.c:34
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
src
#define src
Definition: vp8dsp.c:254
AV_OPT_TYPE_FLAGS
Definition: opt.h:222
AVPixFmtDescriptor::log2_chroma_w
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
MODE_NB
Definition: vf_vectorscope.c:39
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
envelope_instant16
static void envelope_instant16(VectorscopeContext *s, AVFrame *out)
Definition: vf_vectorscope.c:276
out_yuv8_pix_fmts
static enum AVPixelFormat out_yuv8_pix_fmts[]
Definition: vf_vectorscope.c:126
AVFilterPad::name
const char * name
Pad name.
Definition: internal.h:60
AVFilterContext::inputs
AVFilterLink ** inputs
array of pointers to input links
Definition: avfilter.h:346
out_rgb12_pix_fmts
static enum AVPixelFormat out_rgb12_pix_fmts[]
Definition: vf_vectorscope.c:161
OFFSET
#define OFFSET(x)
Definition: vf_vectorscope.c:76
av_assert0
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
AV_OPT_TYPE_CONST
Definition: opt.h:232
ff_filter_frame
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1080
AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
VectorscopeMode
VectorscopeMode
Definition: vf_vectorscope.c:32
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
av_cold
#define av_cold
Definition: attributes.h:82
in2_pix_fmts
static enum AVPixelFormat in2_pix_fmts[]
Definition: vf_vectorscope.c:177
opt.h
AVOptions.
f
#define f(width, name)
Definition: cbs_vp9.c:255
COLOR3
Definition: vf_vectorscope.c:36
COLOR5
Definition: vf_vectorscope.c:38
AV_PIX_FMT_YUVA420P9
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:413
AV_PIX_FMT_GBRP9
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:394
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_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:384
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
AVFilterPad
A filter pad used for either input or output.
Definition: internal.h:54
vectorscope_options
static const AVOption vectorscope_options[]
Definition: vf_vectorscope.c:79
out_rgb8_pix_fmts
static enum AVPixelFormat out_rgb8_pix_fmts[]
Definition: vf_vectorscope.c:146
AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:176
AVFrame::width
int width
Definition: frame.h:284
AV_LOG_ERROR
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
avpriv_cga_font
const uint8_t avpriv_cga_font[2048]
Definition: xga_font_data.c:29
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
mask
static const uint16_t mask[17]
Definition: lzw.c:38
positions
static const uint16_t positions[][14][3]
Definition: vf_vectorscope.c:796
AVERROR
#define AVERROR(e)
Definition: error.h:43
AV_PIX_FMT_FLAG_RGB
#define AV_PIX_FMT_FLAG_RGB
The pixel format contains RGB-like data (as opposed to YUV/grayscale).
Definition: pixdesc.h:148
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
AV_OPT_TYPE_FLOAT
Definition: opt.h:226
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
inputs
static const AVFilterPad inputs[]
Definition: vf_vectorscope.c:1331
AVFrame::colorspace
enum AVColorSpace colorspace
YUV colorspace type.
Definition: frame.h:482
AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:400
avassert.h
simple assert() macros that are a bit more flexible than ISO C assert().
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:382
draw_dots16
static void draw_dots16(uint16_t *dst, int L, int v, float o)
Definition: vf_vectorscope.c:873
in_pix_fmts
static enum AVPixelFormat in_pix_fmts[]
Definition: vf_ciescope.c:121
FFMAX
#define FFMAX(a, b)
Definition: common.h:94
AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
ff_vf_vectorscope
AVFilter ff_vf_vectorscope
Definition: vf_vectorscope.c:1350
out_yuv10_pix_fmts
static enum AVPixelFormat out_yuv10_pix_fmts[]
Definition: vf_vectorscope.c:136
AVPixFmtDescriptor::flags
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
Definition: pixdesc.h:106
out_rgb9_pix_fmts
static enum AVPixelFormat out_rgb9_pix_fmts[]
Definition: vf_vectorscope.c:151
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:377
VectorscopeContext::bg_color
uint16_t bg_color[4]
Definition: vf_vectorscope.c:47
hypot
static av_const double hypot(double x, double y)
Definition: libm.h:366
envelope
static void envelope(VectorscopeContext *s, AVFrame *out)
Definition: vf_vectorscope.c:389
in1_pix_fmts
static enum AVPixelFormat in1_pix_fmts[]
Definition: vf_vectorscope.c:166
Y
#define Y
Definition: boxblur.h:38
none_graticule
static void none_graticule(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P)
Definition: vf_vectorscope.c:896
out_rgb10_pix_fmts
static enum AVPixelFormat out_rgb10_pix_fmts[]
Definition: vf_vectorscope.c:156
FFMIN
#define FFMIN(a, b)
Definition: common.h:96
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
ff_formats_ref
int ff_formats_ref(AVFilterFormats *f, AVFilterFormats **ref)
Add *ref as a new reference to formats.
Definition: formats.c:440
w
uint8_t w
Definition: llviddspenc.c:38
void
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
green_graticule16
static void green_graticule16(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P)
Definition: vf_vectorscope.c:1086
ctx
AVFormatContext * ctx
Definition: movenc.c:48
vectorscope16
static void vectorscope16(VectorscopeContext *s, AVFrame *in, AVFrame *out, int pd)
Definition: vf_vectorscope.c:400
FFABS
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
Definition: common.h:72
s
#define s(width, name)
Definition: cbs_vp9.c:257
draw_dots
static void draw_dots(uint8_t *dst, int L, int v, float o)
Definition: vf_vectorscope.c:850
AVFilterFormats::nb_formats
unsigned nb_formats
number of formats
Definition: formats.h:65
AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:418
L
#define L(x)
Definition: vp56_arith.h:36
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:378
color_graticule
static void color_graticule(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P)
Definition: vf_vectorscope.c:1020
out_yuv12_pix_fmts
static enum AVPixelFormat out_yuv12_pix_fmts[]
Definition: vf_vectorscope.c:141
envelope_peak16
static void envelope_peak16(VectorscopeContext *s, AVFrame *out)
Definition: vf_vectorscope.c:297
GRAY
Definition: vf_vectorscope.c:33
AVFrame::linesize
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:257
AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:177
AVPixFmtDescriptor
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
outputs
static const AVFilterPad outputs[]
Definition: vf_vectorscope.c:1341
config_output
static int config_output(AVFilterLink *outlink)
Definition: vf_vectorscope.c:253
FLAGS
#define FLAGS
Definition: vf_vectorscope.c:77
in
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;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);returnNULL;}returnac;}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;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->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);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> in
Definition: audio_convert.c:194
uninit
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_vectorscope.c:1323
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:379
AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:67
query_formats
static int query_formats(AVFilterContext *ctx)
Definition: vf_vectorscope.c:194
draw_htext
static void draw_htext(AVFrame *out, int x, int y, float o1, float o2, const char *txt, const uint8_t color[4])
Definition: vf_vectorscope.c:900
AVFilter
Filter definition.
Definition: avfilter.h:144
AVRational
Rational number (pair of numerator and denominator).
Definition: rational.h:58
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_vectorscope.c:1204
AVFilter::name
const char * name
Filter name.
Definition: avfilter.h:148
AV_PIX_FMT_YUV440P12
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:385
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:376
parseutils.h
misc parsing utilities
AVFilterContext::outputs
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:350
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:396
envelope_instant
static void envelope_instant(VectorscopeContext *s, AVFrame *out)
Definition: vf_vectorscope.c:328
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:596
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:380
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:386
AVFrame::data
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:240
M_SQRT2
#define M_SQRT2
Definition: mathematics.h:61
positions_name
static const char * positions_name[]
Definition: vf_vectorscope.c:792
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_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:215
D
D(D(float, sse)
Definition: rematrix_init.c:28
AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:415
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_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
out_pix_fmts
static enum AVPixelFormat out_pix_fmts[]
Definition: vf_ciescope.c:130
out_yuv9_pix_fmts
static enum AVPixelFormat out_yuv9_pix_fmts[]
Definition: vf_vectorscope.c:131
COLOR4
Definition: vf_vectorscope.c:37
envelope16
static void envelope16(VectorscopeContext *s, AVFrame *out)
Definition: vf_vectorscope.c:378
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:258
AVFilterContext
An instance of a filter.
Definition: avfilter.h:338
COLOR2
Definition: vf_vectorscope.c:35
AVFrame::height
int height
Definition: frame.h:284
out
FILE * out
Definition: movenc.c:54
av_freep
#define av_freep(p)
Definition: tableprint_vlc.h:35
green_graticule
static void green_graticule(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P)
Definition: vf_vectorscope.c:1146
AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
AV_WN16
#define AV_WN16(p, v)
Definition: intreadwrite.h:372
AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
VectorscopeContext::vectorscope
void(* vectorscope)(struct VectorscopeContext *s, AVFrame *in, AVFrame *out, int pd)
Definition: vf_vectorscope.c:70
vectorscope8
static void vectorscope8(VectorscopeContext *s, AVFrame *in, AVFrame *out, int pd)
Definition: vf_vectorscope.c:598
draw_htext16
static void draw_htext16(AVFrame *out, int x, int y, float o1, float o2, const char *txt, const uint16_t color[4])
Definition: vf_vectorscope.c:926
internal.h
internal API functions
AVComponentDescriptor::depth
int depth
Number of bits in the component.
Definition: pixdesc.h:58
VectorscopeContext::graticulef
void(* graticulef)(struct VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P)
Definition: vf_vectorscope.c:72
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
mode
mode
Use these values in ebur128_init (or'ed).
Definition: ebur128.h:83
for
for(j=16;j >0;--j)
Definition: h264pred_template.c:469
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:654
xga_font_data.h
CGA/EGA/VGA ROM font data.
V
#define V
Definition: avdct.c:30
AV_CEIL_RSHIFT
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
color_graticule16
static void color_graticule16(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P)
Definition: vf_vectorscope.c:952
AVFilterFormats::formats
int * formats
list of media formats
Definition: formats.h:66
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