FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavfilter/vf_signalstats.c
Date: 2024-02-16 17:37:06
Exec Total Coverage
Lines: 397 620 64.0%
Functions: 10 19 52.6%
Branches: 190 382 49.7%

Line Branch Exec Source
1 /*
2 * Copyright (c) 2010 Mark Heath mjpeg0 @ silicontrip dot org
3 * Copyright (c) 2014 Clément Bœsch
4 * Copyright (c) 2014 Dave Rice @dericed
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #include "libavutil/intreadwrite.h"
24 #include "libavutil/opt.h"
25 #include "libavutil/pixdesc.h"
26 #include "filters.h"
27 #include "internal.h"
28
29 enum FilterMode {
30 FILTER_NONE = -1,
31 FILTER_TOUT,
32 FILTER_VREP,
33 FILTER_BRNG,
34 FILT_NUMB
35 };
36
37 typedef struct SignalstatsContext {
38 const AVClass *class;
39 int chromah; // height of chroma plane
40 int chromaw; // width of chroma plane
41 int hsub; // horizontal subsampling
42 int vsub; // vertical subsampling
43 int depth; // pixel depth
44 int fs; // pixel count per frame
45 int cfs; // pixel count per frame of chroma planes
46 int outfilter; // FilterMode
47 int filters;
48 AVFrame *frame_prev;
49 uint8_t rgba_color[4];
50 int yuv_color[3];
51 int nb_jobs;
52 int *jobs_rets;
53
54 int maxsize; // history stats array size
55 int *histy, *histu, *histv, *histsat;
56
57 AVFrame *frame_sat;
58 AVFrame *frame_hue;
59 } SignalstatsContext;
60
61 typedef struct ThreadData {
62 const AVFrame *in;
63 AVFrame *out;
64 } ThreadData;
65
66 typedef struct ThreadDataHueSatMetrics {
67 const AVFrame *src;
68 AVFrame *dst_sat, *dst_hue;
69 } ThreadDataHueSatMetrics;
70
71 #define OFFSET(x) offsetof(SignalstatsContext, x)
72 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
73
74 static const AVOption signalstats_options[] = {
75 {"stat", "set statistics filters", OFFSET(filters), AV_OPT_TYPE_FLAGS, {.i64=0}, 0, INT_MAX, FLAGS, .unit = "filters"},
76 {"tout", "analyze pixels for temporal outliers", 0, AV_OPT_TYPE_CONST, {.i64=1<<FILTER_TOUT}, 0, 0, FLAGS, .unit = "filters"},
77 {"vrep", "analyze video lines for vertical line repetition", 0, AV_OPT_TYPE_CONST, {.i64=1<<FILTER_VREP}, 0, 0, FLAGS, .unit = "filters"},
78 {"brng", "analyze for pixels outside of broadcast range", 0, AV_OPT_TYPE_CONST, {.i64=1<<FILTER_BRNG}, 0, 0, FLAGS, .unit = "filters"},
79 {"out", "set video filter", OFFSET(outfilter), AV_OPT_TYPE_INT, {.i64=FILTER_NONE}, -1, FILT_NUMB-1, FLAGS, .unit = "out"},
80 {"tout", "highlight pixels that depict temporal outliers", 0, AV_OPT_TYPE_CONST, {.i64=FILTER_TOUT}, 0, 0, FLAGS, .unit = "out"},
81 {"vrep", "highlight video lines that depict vertical line repetition", 0, AV_OPT_TYPE_CONST, {.i64=FILTER_VREP}, 0, 0, FLAGS, .unit = "out"},
82 {"brng", "highlight pixels that are outside of broadcast range", 0, AV_OPT_TYPE_CONST, {.i64=FILTER_BRNG}, 0, 0, FLAGS, .unit = "out"},
83 {"c", "set highlight color", OFFSET(rgba_color), AV_OPT_TYPE_COLOR, {.str="yellow"}, .flags=FLAGS},
84 {"color", "set highlight color", OFFSET(rgba_color), AV_OPT_TYPE_COLOR, {.str="yellow"}, .flags=FLAGS},
85 {NULL}
86 };
87
88 AVFILTER_DEFINE_CLASS(signalstats);
89
90 2 static av_cold int init(AVFilterContext *ctx)
91 {
92 uint8_t r, g, b;
93 2 SignalstatsContext *s = ctx->priv;
94
95
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2 times.
2 if (s->outfilter != FILTER_NONE)
96 s->filters |= 1 << s->outfilter;
97
98 2 r = s->rgba_color[0];
99 2 g = s->rgba_color[1];
100 2 b = s->rgba_color[2];
101 2 s->yuv_color[0] = (( 66*r + 129*g + 25*b + (1<<7)) >> 8) + 16;
102 2 s->yuv_color[1] = ((-38*r + -74*g + 112*b + (1<<7)) >> 8) + 128;
103 2 s->yuv_color[2] = ((112*r + -94*g + -18*b + (1<<7)) >> 8) + 128;
104 2 return 0;
105 }
106
107 2 static av_cold void uninit(AVFilterContext *ctx)
108 {
109 2 SignalstatsContext *s = ctx->priv;
110 2 av_frame_free(&s->frame_prev);
111 2 av_frame_free(&s->frame_sat);
112 2 av_frame_free(&s->frame_hue);
113 2 av_freep(&s->jobs_rets);
114 2 av_freep(&s->histy);
115 2 av_freep(&s->histu);
116 2 av_freep(&s->histv);
117 2 av_freep(&s->histsat);
118 2 }
119
120 // TODO: add more
121 static const enum AVPixelFormat pix_fmts[] = {
122 AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV411P,
123 AV_PIX_FMT_YUV440P,
124 AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ411P,
125 AV_PIX_FMT_YUVJ440P,
126 AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV420P9,
127 AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV420P10,
128 AV_PIX_FMT_YUV440P10,
129 AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV420P12,
130 AV_PIX_FMT_YUV440P12,
131 AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV420P14,
132 AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV420P16,
133 AV_PIX_FMT_NONE
134 };
135
136 4 static AVFrame *alloc_frame(enum AVPixelFormat pixfmt, int w, int h)
137 {
138 4 AVFrame *frame = av_frame_alloc();
139
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4 times.
4 if (!frame)
140 return NULL;
141
142 4 frame->format = pixfmt;
143 4 frame->width = w;
144 4 frame->height = h;
145
146
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 4 times.
4 if (av_frame_get_buffer(frame, 0) < 0) {
147 av_frame_free(&frame);
148 return NULL;
149 }
150
151 4 return frame;
152 }
153
154 2 static int config_output(AVFilterLink *outlink)
155 {
156 2 AVFilterContext *ctx = outlink->src;
157 2 SignalstatsContext *s = ctx->priv;
158 2 AVFilterLink *inlink = outlink->src->inputs[0];
159 2 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
160 2 s->hsub = desc->log2_chroma_w;
161 2 s->vsub = desc->log2_chroma_h;
162 2 s->depth = desc->comp[0].depth;
163 2 s->maxsize = 1 << s->depth;
164 2 s->histy = av_malloc_array(s->maxsize, sizeof(*s->histy));
165 2 s->histu = av_malloc_array(s->maxsize, sizeof(*s->histu));
166 2 s->histv = av_malloc_array(s->maxsize, sizeof(*s->histv));
167 2 s->histsat = av_malloc_array(s->maxsize, sizeof(*s->histsat));
168
169
4/8
✓ Branch 0 taken 2 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 2 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 2 times.
✗ Branch 5 not taken.
✗ Branch 6 not taken.
✓ Branch 7 taken 2 times.
2 if (!s->histy || !s->histu || !s->histv || !s->histsat)
170 return AVERROR(ENOMEM);
171
172 2 outlink->w = inlink->w;
173 2 outlink->h = inlink->h;
174
175 2 s->chromaw = AV_CEIL_RSHIFT(inlink->w, s->hsub);
176 2 s->chromah = AV_CEIL_RSHIFT(inlink->h, s->vsub);
177
178 2 s->fs = inlink->w * inlink->h;
179 2 s->cfs = s->chromaw * s->chromah;
180
181
3/6
✓ Branch 0 taken 2 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 2 times.
✓ Branch 4 taken 2 times.
✗ Branch 5 not taken.
2 s->nb_jobs = FFMAX(1, FFMIN(inlink->h, ff_filter_get_nb_threads(ctx)));
182 2 s->jobs_rets = av_malloc_array(s->nb_jobs, sizeof(*s->jobs_rets));
183
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2 times.
2 if (!s->jobs_rets)
184 return AVERROR(ENOMEM);
185
186
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 1 times.
2 s->frame_sat = alloc_frame(s->depth > 8 ? AV_PIX_FMT_GRAY16 : AV_PIX_FMT_GRAY8, inlink->w, inlink->h);
187 2 s->frame_hue = alloc_frame(AV_PIX_FMT_GRAY16, inlink->w, inlink->h);
188
2/4
✓ Branch 0 taken 2 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 2 times.
2 if (!s->frame_sat || !s->frame_hue)
189 return AVERROR(ENOMEM);
190
191 2 return 0;
192 }
193
194 static void burn_frame8(const SignalstatsContext *s, AVFrame *f, int x, int y)
195 {
196 const int chromax = x >> s->hsub;
197 const int chromay = y >> s->vsub;
198 f->data[0][y * f->linesize[0] + x] = s->yuv_color[0];
199 f->data[1][chromay * f->linesize[1] + chromax] = s->yuv_color[1];
200 f->data[2][chromay * f->linesize[2] + chromax] = s->yuv_color[2];
201 }
202
203 static void burn_frame16(const SignalstatsContext *s, AVFrame *f, int x, int y)
204 {
205 const int chromax = x >> s->hsub;
206 const int chromay = y >> s->vsub;
207 const int mult = 1 << (s->depth - 8);
208 AV_WN16(f->data[0] + y * f->linesize[0] + x * 2, s->yuv_color[0] * mult);
209 AV_WN16(f->data[1] + chromay * f->linesize[1] + chromax * 2, s->yuv_color[1] * mult);
210 AV_WN16(f->data[2] + chromay * f->linesize[2] + chromax * 2, s->yuv_color[2] * mult);
211 }
212
213 static int filter8_brng(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
214 {
215 ThreadData *td = arg;
216 const SignalstatsContext *s = ctx->priv;
217 const AVFrame *in = td->in;
218 AVFrame *out = td->out;
219 const int w = in->width;
220 const int h = in->height;
221 const int slice_start = (h * jobnr ) / nb_jobs;
222 const int slice_end = (h * (jobnr+1)) / nb_jobs;
223 int x, y, score = 0;
224
225 for (y = slice_start; y < slice_end; y++) {
226 const int yc = y >> s->vsub;
227 const uint8_t *pluma = &in->data[0][y * in->linesize[0]];
228 const uint8_t *pchromau = &in->data[1][yc * in->linesize[1]];
229 const uint8_t *pchromav = &in->data[2][yc * in->linesize[2]];
230
231 for (x = 0; x < w; x++) {
232 const int xc = x >> s->hsub;
233 const int luma = pluma[x];
234 const int chromau = pchromau[xc];
235 const int chromav = pchromav[xc];
236 const int filt = luma < 16 || luma > 235 ||
237 chromau < 16 || chromau > 240 ||
238 chromav < 16 || chromav > 240;
239 score += filt;
240 if (out && filt)
241 burn_frame8(s, out, x, y);
242 }
243 }
244 return score;
245 }
246
247 static int filter16_brng(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
248 {
249 ThreadData *td = arg;
250 const SignalstatsContext *s = ctx->priv;
251 const AVFrame *in = td->in;
252 AVFrame *out = td->out;
253 const int mult = 1 << (s->depth - 8);
254 const int w = in->width;
255 const int h = in->height;
256 const int slice_start = (h * jobnr ) / nb_jobs;
257 const int slice_end = (h * (jobnr+1)) / nb_jobs;
258 int x, y, score = 0;
259
260 for (y = slice_start; y < slice_end; y++) {
261 const int yc = y >> s->vsub;
262 const uint16_t *pluma = (uint16_t *)&in->data[0][y * in->linesize[0]];
263 const uint16_t *pchromau = (uint16_t *)&in->data[1][yc * in->linesize[1]];
264 const uint16_t *pchromav = (uint16_t *)&in->data[2][yc * in->linesize[2]];
265
266 for (x = 0; x < w; x++) {
267 const int xc = x >> s->hsub;
268 const int luma = pluma[x];
269 const int chromau = pchromau[xc];
270 const int chromav = pchromav[xc];
271 const int filt = luma < 16 * mult || luma > 235 * mult ||
272 chromau < 16 * mult || chromau > 240 * mult ||
273 chromav < 16 * mult || chromav > 240 * mult;
274 score += filt;
275 if (out && filt)
276 burn_frame16(s, out, x, y);
277 }
278 }
279 return score;
280 }
281
282 static int filter_tout_outlier(uint8_t x, uint8_t y, uint8_t z)
283 {
284 return ((abs(x - y) + abs (z - y)) / 2) - abs(z - x) > 4; // make 4 configurable?
285 }
286
287 static int filter8_tout(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
288 {
289 ThreadData *td = arg;
290 const SignalstatsContext *s = ctx->priv;
291 const AVFrame *in = td->in;
292 AVFrame *out = td->out;
293 const int w = in->width;
294 const int h = in->height;
295 const int slice_start = (h * jobnr ) / nb_jobs;
296 const int slice_end = (h * (jobnr+1)) / nb_jobs;
297 const uint8_t *p = in->data[0];
298 int lw = in->linesize[0];
299 int x, y, score = 0, filt;
300
301 for (y = slice_start; y < slice_end; y++) {
302
303 if (y - 1 < 0 || y + 1 >= h)
304 continue;
305
306 // detect two pixels above and below (to eliminate interlace artefacts)
307 // should check that video format is infact interlaced.
308
309 #define FILTER(i, j) \
310 filter_tout_outlier(p[(y-j) * lw + x + i], \
311 p[ y * lw + x + i], \
312 p[(y+j) * lw + x + i])
313
314 #define FILTER3(j) (FILTER(-1, j) && FILTER(0, j) && FILTER(1, j))
315
316 if (y - 2 >= 0 && y + 2 < h) {
317 for (x = 1; x < w - 1; x++) {
318 filt = FILTER3(2) && FILTER3(1);
319 score += filt;
320 if (filt && out)
321 burn_frame8(s, out, x, y);
322 }
323 } else {
324 for (x = 1; x < w - 1; x++) {
325 filt = FILTER3(1);
326 score += filt;
327 if (filt && out)
328 burn_frame8(s, out, x, y);
329 }
330 }
331 }
332 return score;
333 }
334
335 static int filter16_tout(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
336 {
337 ThreadData *td = arg;
338 const SignalstatsContext *s = ctx->priv;
339 const AVFrame *in = td->in;
340 AVFrame *out = td->out;
341 const int w = in->width;
342 const int h = in->height;
343 const int slice_start = (h * jobnr ) / nb_jobs;
344 const int slice_end = (h * (jobnr+1)) / nb_jobs;
345 const uint16_t *p = (uint16_t *)in->data[0];
346 int lw = in->linesize[0] / 2;
347 int x, y, score = 0, filt;
348
349 for (y = slice_start; y < slice_end; y++) {
350
351 if (y - 1 < 0 || y + 1 >= h)
352 continue;
353
354 // detect two pixels above and below (to eliminate interlace artefacts)
355 // should check that video format is infact interlaced.
356
357 if (y - 2 >= 0 && y + 2 < h) {
358 for (x = 1; x < w - 1; x++) {
359 filt = FILTER3(2) && FILTER3(1);
360 score += filt;
361 if (filt && out)
362 burn_frame16(s, out, x, y);
363 }
364 } else {
365 for (x = 1; x < w - 1; x++) {
366 filt = FILTER3(1);
367 score += filt;
368 if (filt && out)
369 burn_frame16(s, out, x, y);
370 }
371 }
372 }
373 return score;
374 }
375
376 #define VREP_START 4
377
378 static int filter8_vrep(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
379 {
380 ThreadData *td = arg;
381 const SignalstatsContext *s = ctx->priv;
382 const AVFrame *in = td->in;
383 AVFrame *out = td->out;
384 const int w = in->width;
385 const int h = in->height;
386 const int slice_start = (h * jobnr ) / nb_jobs;
387 const int slice_end = (h * (jobnr+1)) / nb_jobs;
388 const uint8_t *p = in->data[0];
389 const int lw = in->linesize[0];
390 int x, y, score = 0;
391
392 for (y = slice_start; y < slice_end; y++) {
393 const int y2lw = (y - VREP_START) * lw;
394 const int ylw = y * lw;
395 int filt, totdiff = 0;
396
397 if (y < VREP_START)
398 continue;
399
400 for (x = 0; x < w; x++)
401 totdiff += abs(p[y2lw + x] - p[ylw + x]);
402 filt = totdiff < w;
403
404 score += filt;
405 if (filt && out)
406 for (x = 0; x < w; x++)
407 burn_frame8(s, out, x, y);
408 }
409 return score * w;
410 }
411
412 static int filter16_vrep(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
413 {
414 ThreadData *td = arg;
415 const SignalstatsContext *s = ctx->priv;
416 const AVFrame *in = td->in;
417 AVFrame *out = td->out;
418 const int w = in->width;
419 const int h = in->height;
420 const int slice_start = (h * jobnr ) / nb_jobs;
421 const int slice_end = (h * (jobnr+1)) / nb_jobs;
422 const uint16_t *p = (uint16_t *)in->data[0];
423 const int lw = in->linesize[0] / 2;
424 int x, y, score = 0;
425
426 for (y = slice_start; y < slice_end; y++) {
427 const int y2lw = (y - VREP_START) * lw;
428 const int ylw = y * lw;
429 int64_t totdiff = 0;
430 int filt;
431
432 if (y < VREP_START)
433 continue;
434
435 for (x = 0; x < w; x++)
436 totdiff += abs(p[y2lw + x] - p[ylw + x]);
437 filt = totdiff < w;
438
439 score += filt;
440 if (filt && out)
441 for (x = 0; x < w; x++)
442 burn_frame16(s, out, x, y);
443 }
444 return score * w;
445 }
446
447 static const struct {
448 const char *name;
449 int (*process8)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
450 int (*process16)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
451 } filters_def[] = {
452 {"TOUT", filter8_tout, filter16_tout},
453 {"VREP", filter8_vrep, filter16_vrep},
454 {"BRNG", filter8_brng, filter16_brng},
455 {NULL}
456 };
457
458 9 static int compute_sat_hue_metrics8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
459 {
460 int i, j;
461 9 ThreadDataHueSatMetrics *td = arg;
462 9 const SignalstatsContext *s = ctx->priv;
463 9 const AVFrame *src = td->src;
464 9 AVFrame *dst_sat = td->dst_sat;
465 9 AVFrame *dst_hue = td->dst_hue;
466
467 9 const int slice_start = (s->chromah * jobnr ) / nb_jobs;
468 9 const int slice_end = (s->chromah * (jobnr+1)) / nb_jobs;
469
470 9 const int lsz_u = src->linesize[1];
471 9 const int lsz_v = src->linesize[2];
472 9 const uint8_t *p_u = src->data[1] + slice_start * lsz_u;
473 9 const uint8_t *p_v = src->data[2] + slice_start * lsz_v;
474
475 9 const int lsz_sat = dst_sat->linesize[0];
476 9 const int lsz_hue = dst_hue->linesize[0];
477 9 uint8_t *p_sat = dst_sat->data[0] + slice_start * lsz_sat;
478 9 uint8_t *p_hue = dst_hue->data[0] + slice_start * lsz_hue;
479
480
2/2
✓ Branch 0 taken 120 times.
✓ Branch 1 taken 9 times.
129 for (j = slice_start; j < slice_end; j++) {
481
2/2
✓ Branch 0 taken 19200 times.
✓ Branch 1 taken 120 times.
19320 for (i = 0; i < s->chromaw; i++) {
482 19200 const int yuvu = p_u[i];
483 19200 const int yuvv = p_v[i];
484 19200 p_sat[i] = hypotf(yuvu - 128, yuvv - 128); // int or round?
485 19200 ((int16_t*)p_hue)[i] = fmodf(floorf((180.f / M_PI) * atan2f(yuvu-128, yuvv-128) + 180.f), 360.f);
486 }
487 120 p_u += lsz_u;
488 120 p_v += lsz_v;
489 120 p_sat += lsz_sat;
490 120 p_hue += lsz_hue;
491 }
492
493 9 return 0;
494 }
495
496 9 static int compute_sat_hue_metrics16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
497 {
498 int i, j;
499 9 ThreadDataHueSatMetrics *td = arg;
500 9 const SignalstatsContext *s = ctx->priv;
501 9 const AVFrame *src = td->src;
502 9 AVFrame *dst_sat = td->dst_sat;
503 9 AVFrame *dst_hue = td->dst_hue;
504 9 const int mid = 1 << (s->depth - 1);
505
506 9 const int slice_start = (s->chromah * jobnr ) / nb_jobs;
507 9 const int slice_end = (s->chromah * (jobnr+1)) / nb_jobs;
508
509 9 const int lsz_u = src->linesize[1] / 2;
510 9 const int lsz_v = src->linesize[2] / 2;
511 9 const uint16_t *p_u = (uint16_t*)src->data[1] + slice_start * lsz_u;
512 9 const uint16_t *p_v = (uint16_t*)src->data[2] + slice_start * lsz_v;
513
514 9 const int lsz_sat = dst_sat->linesize[0] / 2;
515 9 const int lsz_hue = dst_hue->linesize[0] / 2;
516 9 uint16_t *p_sat = (uint16_t*)dst_sat->data[0] + slice_start * lsz_sat;
517 9 uint16_t *p_hue = (uint16_t*)dst_hue->data[0] + slice_start * lsz_hue;
518
519
2/2
✓ Branch 0 taken 120 times.
✓ Branch 1 taken 9 times.
129 for (j = slice_start; j < slice_end; j++) {
520
2/2
✓ Branch 0 taken 19200 times.
✓ Branch 1 taken 120 times.
19320 for (i = 0; i < s->chromaw; i++) {
521 19200 const int yuvu = p_u[i];
522 19200 const int yuvv = p_v[i];
523 19200 p_sat[i] = hypotf(yuvu - mid, yuvv - mid); // int or round?
524 19200 ((int16_t*)p_hue)[i] = fmodf(floorf((180.f / M_PI) * atan2f(yuvu-mid, yuvv-mid) + 180.f), 360.f);
525 }
526 120 p_u += lsz_u;
527 120 p_v += lsz_v;
528 120 p_sat += lsz_sat;
529 120 p_hue += lsz_hue;
530 }
531
532 9 return 0;
533 }
534
535 6 static unsigned compute_bit_depth(uint16_t mask)
536 {
537 6 return av_popcount(mask);
538 }
539
540 1 static int filter_frame8(AVFilterLink *link, AVFrame *in)
541 {
542 1 AVFilterContext *ctx = link->dst;
543 1 SignalstatsContext *s = ctx->priv;
544 1 AVFilterLink *outlink = ctx->outputs[0];
545 1 AVFrame *out = in;
546 int i, j;
547 1 int w = 0, cw = 0, // in
548 1 pw = 0, cpw = 0; // prev
549 int fil;
550 char metabuf[128];
551 1 unsigned int *histy = s->histy,
552 1 *histu = s->histu,
553 1 *histv = s->histv,
554 1 histhue[360] = {0},
555 1 *histsat = s->histsat;
556 1 int miny = -1, minu = -1, minv = -1;
557 1 int maxy = -1, maxu = -1, maxv = -1;
558 1 int lowy = -1, lowu = -1, lowv = -1;
559 1 int highy = -1, highu = -1, highv = -1;
560 1 int minsat = -1, maxsat = -1, lowsat = -1, highsat = -1;
561 int lowp, highp, clowp, chighp;
562 int accy, accu, accv;
563 1 int accsat, acchue = 0;
564 int medhue, maxhue;
565 1 int toty = 0, totu = 0, totv = 0, totsat=0;
566 1 int tothue = 0;
567 1 int dify = 0, difu = 0, difv = 0;
568 1 uint16_t masky = 0, masku = 0, maskv = 0;
569 int ret;
570 1 int filtot[FILT_NUMB] = {0};
571 AVFrame *prev;
572
573 1 AVFrame *sat = s->frame_sat;
574 1 AVFrame *hue = s->frame_hue;
575 1 const uint8_t *p_sat = sat->data[0];
576 1 const uint8_t *p_hue = hue->data[0];
577 1 const int lsz_sat = sat->linesize[0];
578 1 const int lsz_hue = hue->linesize[0];
579 1 ThreadDataHueSatMetrics td_huesat = {
580 .src = in,
581 .dst_sat = sat,
582 .dst_hue = hue,
583 };
584
585
1/2
✓ Branch 0 taken 1 times.
✗ Branch 1 not taken.
1 if (!s->frame_prev)
586 1 s->frame_prev = av_frame_clone(in);
587
588 1 prev = s->frame_prev;
589
590
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
1 if (s->outfilter != FILTER_NONE) {
591 out = av_frame_clone(in);
592 if (!out) {
593 av_frame_free(&in);
594 return AVERROR(ENOMEM);
595 }
596 ret = ff_inlink_make_frame_writable(link, &out);
597 if (ret < 0) {
598 av_frame_free(&out);
599 av_frame_free(&in);
600 return ret;
601 }
602 }
603
604 1 ff_filter_execute(ctx, compute_sat_hue_metrics8, &td_huesat,
605
1/2
✓ Branch 0 taken 1 times.
✗ Branch 1 not taken.
1 NULL, FFMIN(s->chromah, ff_filter_get_nb_threads(ctx)));
606
607 // Calculate luma histogram and difference with previous frame or field.
608 1 memset(s->histy, 0, s->maxsize * sizeof(*s->histy));
609
2/2
✓ Branch 0 taken 240 times.
✓ Branch 1 taken 1 times.
241 for (j = 0; j < link->h; j++) {
610
2/2
✓ Branch 0 taken 76800 times.
✓ Branch 1 taken 240 times.
77040 for (i = 0; i < link->w; i++) {
611 76800 const int yuv = in->data[0][w + i];
612
613 76800 masky |= yuv;
614 76800 histy[yuv]++;
615 76800 dify += abs(yuv - prev->data[0][pw + i]);
616 }
617 240 w += in->linesize[0];
618 240 pw += prev->linesize[0];
619 }
620
621 // Calculate chroma histogram and difference with previous frame or field.
622 1 memset(s->histu, 0, s->maxsize * sizeof(*s->histu));
623 1 memset(s->histv, 0, s->maxsize * sizeof(*s->histv));
624 1 memset(s->histsat, 0, s->maxsize * sizeof(*s->histsat));
625
2/2
✓ Branch 0 taken 120 times.
✓ Branch 1 taken 1 times.
121 for (j = 0; j < s->chromah; j++) {
626
2/2
✓ Branch 0 taken 19200 times.
✓ Branch 1 taken 120 times.
19320 for (i = 0; i < s->chromaw; i++) {
627 19200 const int yuvu = in->data[1][cw+i];
628 19200 const int yuvv = in->data[2][cw+i];
629
630 19200 masku |= yuvu;
631 19200 maskv |= yuvv;
632 19200 histu[yuvu]++;
633 19200 difu += abs(yuvu - prev->data[1][cpw+i]);
634 19200 histv[yuvv]++;
635 19200 difv += abs(yuvv - prev->data[2][cpw+i]);
636
637 19200 histsat[p_sat[i]]++;
638 19200 histhue[((int16_t*)p_hue)[i]]++;
639 }
640 120 cw += in->linesize[1];
641 120 cpw += prev->linesize[1];
642 120 p_sat += lsz_sat;
643 120 p_hue += lsz_hue;
644 }
645
646
2/2
✓ Branch 0 taken 3 times.
✓ Branch 1 taken 1 times.
4 for (fil = 0; fil < FILT_NUMB; fil ++) {
647
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3 times.
3 if (s->filters & 1<<fil) {
648 ThreadData td = {
649 .in = in,
650 .out = out != in && s->outfilter == fil ? out : NULL,
651 };
652 memset(s->jobs_rets, 0, s->nb_jobs * sizeof(*s->jobs_rets));
653 ff_filter_execute(ctx, filters_def[fil].process8,
654 &td, s->jobs_rets, s->nb_jobs);
655 for (i = 0; i < s->nb_jobs; i++)
656 filtot[fil] += s->jobs_rets[i];
657 }
658 }
659
660 // find low / high based on histogram percentile
661 // these only need to be calculated once.
662
663 1 lowp = lrint(s->fs * 10 / 100.);
664 1 highp = lrint(s->fs * 90 / 100.);
665 1 clowp = lrint(s->cfs * 10 / 100.);
666 1 chighp = lrint(s->cfs * 90 / 100.);
667
668 1 accy = accu = accv = accsat = 0;
669
2/2
✓ Branch 0 taken 256 times.
✓ Branch 1 taken 1 times.
257 for (fil = 0; fil < s->maxsize; fil++) {
670
4/4
✓ Branch 0 taken 236 times.
✓ Branch 1 taken 20 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 235 times.
256 if (miny < 0 && histy[fil]) miny = fil;
671
4/4
✓ Branch 0 taken 129 times.
✓ Branch 1 taken 127 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 128 times.
256 if (minu < 0 && histu[fil]) minu = fil;
672
4/4
✓ Branch 0 taken 129 times.
✓ Branch 1 taken 127 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 128 times.
256 if (minv < 0 && histv[fil]) minv = fil;
673
3/4
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 255 times.
✓ Branch 2 taken 1 times.
✗ Branch 3 not taken.
256 if (minsat < 0 && histsat[fil]) minsat = fil;
674
675
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 255 times.
256 if (histy[fil]) maxy = fil;
676
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 255 times.
256 if (histu[fil]) maxu = fil;
677
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 255 times.
256 if (histv[fil]) maxv = fil;
678
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 255 times.
256 if (histsat[fil]) maxsat = fil;
679
680 256 toty += histy[fil] * fil;
681 256 totu += histu[fil] * fil;
682 256 totv += histv[fil] * fil;
683 256 totsat += histsat[fil] * fil;
684
685 256 accy += histy[fil];
686 256 accu += histu[fil];
687 256 accv += histv[fil];
688 256 accsat += histsat[fil];
689
690
4/4
✓ Branch 0 taken 236 times.
✓ Branch 1 taken 20 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 235 times.
256 if (lowy == -1 && accy >= lowp) lowy = fil;
691
4/4
✓ Branch 0 taken 129 times.
✓ Branch 1 taken 127 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 128 times.
256 if (lowu == -1 && accu >= clowp) lowu = fil;
692
4/4
✓ Branch 0 taken 129 times.
✓ Branch 1 taken 127 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 128 times.
256 if (lowv == -1 && accv >= clowp) lowv = fil;
693
3/4
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 255 times.
✓ Branch 2 taken 1 times.
✗ Branch 3 not taken.
256 if (lowsat == -1 && accsat >= clowp) lowsat = fil;
694
695
4/4
✓ Branch 0 taken 236 times.
✓ Branch 1 taken 20 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 235 times.
256 if (highy == -1 && accy >= highp) highy = fil;
696
4/4
✓ Branch 0 taken 129 times.
✓ Branch 1 taken 127 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 128 times.
256 if (highu == -1 && accu >= chighp) highu = fil;
697
4/4
✓ Branch 0 taken 129 times.
✓ Branch 1 taken 127 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 128 times.
256 if (highv == -1 && accv >= chighp) highv = fil;
698
3/4
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 255 times.
✓ Branch 2 taken 1 times.
✗ Branch 3 not taken.
256 if (highsat == -1 && accsat >= chighp) highsat = fil;
699 }
700
701 1 maxhue = histhue[0];
702 1 medhue = -1;
703
2/2
✓ Branch 0 taken 360 times.
✓ Branch 1 taken 1 times.
361 for (fil = 0; fil < 360; fil++) {
704 360 tothue += histhue[fil] * fil;
705 360 acchue += histhue[fil];
706
707
4/4
✓ Branch 0 taken 181 times.
✓ Branch 1 taken 179 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 180 times.
360 if (medhue == -1 && acchue > s->cfs / 2)
708 1 medhue = fil;
709
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 359 times.
360 if (histhue[fil] > maxhue) {
710 1 maxhue = histhue[fil];
711 }
712 }
713
714 1 av_frame_free(&s->frame_prev);
715 1 s->frame_prev = av_frame_clone(in);
716
717 #define SET_META(key, fmt, val) do { \
718 snprintf(metabuf, sizeof(metabuf), fmt, val); \
719 av_dict_set(&out->metadata, "lavfi.signalstats." key, metabuf, 0); \
720 } while (0)
721
722 1 SET_META("YMIN", "%d", miny);
723 1 SET_META("YLOW", "%d", lowy);
724 1 SET_META("YAVG", "%g", 1.0 * toty / s->fs);
725 1 SET_META("YHIGH", "%d", highy);
726 1 SET_META("YMAX", "%d", maxy);
727
728 1 SET_META("UMIN", "%d", minu);
729 1 SET_META("ULOW", "%d", lowu);
730 1 SET_META("UAVG", "%g", 1.0 * totu / s->cfs);
731 1 SET_META("UHIGH", "%d", highu);
732 1 SET_META("UMAX", "%d", maxu);
733
734 1 SET_META("VMIN", "%d", minv);
735 1 SET_META("VLOW", "%d", lowv);
736 1 SET_META("VAVG", "%g", 1.0 * totv / s->cfs);
737 1 SET_META("VHIGH", "%d", highv);
738 1 SET_META("VMAX", "%d", maxv);
739
740 1 SET_META("SATMIN", "%d", minsat);
741 1 SET_META("SATLOW", "%d", lowsat);
742 1 SET_META("SATAVG", "%g", 1.0 * totsat / s->cfs);
743 1 SET_META("SATHIGH", "%d", highsat);
744 1 SET_META("SATMAX", "%d", maxsat);
745
746 1 SET_META("HUEMED", "%d", medhue);
747 1 SET_META("HUEAVG", "%g", 1.0 * tothue / s->cfs);
748
749 1 SET_META("YDIF", "%g", 1.0 * dify / s->fs);
750 1 SET_META("UDIF", "%g", 1.0 * difu / s->cfs);
751 1 SET_META("VDIF", "%g", 1.0 * difv / s->cfs);
752
753 1 SET_META("YBITDEPTH", "%d", compute_bit_depth(masky));
754 1 SET_META("UBITDEPTH", "%d", compute_bit_depth(masku));
755 1 SET_META("VBITDEPTH", "%d", compute_bit_depth(maskv));
756
757
2/2
✓ Branch 0 taken 3 times.
✓ Branch 1 taken 1 times.
4 for (fil = 0; fil < FILT_NUMB; fil ++) {
758
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3 times.
3 if (s->filters & 1<<fil) {
759 char metaname[128];
760 snprintf(metabuf, sizeof(metabuf), "%g", 1.0 * filtot[fil] / s->fs);
761 snprintf(metaname, sizeof(metaname), "lavfi.signalstats.%s", filters_def[fil].name);
762 av_dict_set(&out->metadata, metaname, metabuf, 0);
763 }
764 }
765
766
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
1 if (in != out)
767 av_frame_free(&in);
768 1 return ff_filter_frame(outlink, out);
769 }
770
771 1 static int filter_frame16(AVFilterLink *link, AVFrame *in)
772 {
773 1 AVFilterContext *ctx = link->dst;
774 1 SignalstatsContext *s = ctx->priv;
775 1 AVFilterLink *outlink = ctx->outputs[0];
776 1 AVFrame *out = in;
777 int i, j;
778 1 int w = 0, cw = 0, // in
779 1 pw = 0, cpw = 0; // prev
780 int fil;
781 char metabuf[128];
782 1 unsigned int *histy = s->histy,
783 1 *histu = s->histu,
784 1 *histv = s->histv,
785 1 histhue[360] = {0},
786 1 *histsat = s->histsat;
787 1 int miny = -1, minu = -1, minv = -1;
788 1 int maxy = -1, maxu = -1, maxv = -1;
789 1 int lowy = -1, lowu = -1, lowv = -1;
790 1 int highy = -1, highu = -1, highv = -1;
791 1 int minsat = -1, maxsat = -1, lowsat = -1, highsat = -1;
792 int lowp, highp, clowp, chighp;
793 int accy, accu, accv;
794 1 int accsat, acchue = 0;
795 int medhue, maxhue;
796 1 int64_t toty = 0, totu = 0, totv = 0, totsat=0;
797 1 int64_t tothue = 0;
798 1 int64_t dify = 0, difu = 0, difv = 0;
799 1 uint16_t masky = 0, masku = 0, maskv = 0;
800
801 1 int filtot[FILT_NUMB] = {0};
802 AVFrame *prev;
803 int ret;
804 1 AVFrame *sat = s->frame_sat;
805 1 AVFrame *hue = s->frame_hue;
806 1 const uint16_t *p_sat = (uint16_t *)sat->data[0];
807 1 const uint16_t *p_hue = (uint16_t *)hue->data[0];
808 1 const int lsz_sat = sat->linesize[0] / 2;
809 1 const int lsz_hue = hue->linesize[0] / 2;
810 1 ThreadDataHueSatMetrics td_huesat = {
811 .src = in,
812 .dst_sat = sat,
813 .dst_hue = hue,
814 };
815
816
1/2
✓ Branch 0 taken 1 times.
✗ Branch 1 not taken.
1 if (!s->frame_prev)
817 1 s->frame_prev = av_frame_clone(in);
818
819 1 prev = s->frame_prev;
820
821
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
1 if (s->outfilter != FILTER_NONE) {
822 out = av_frame_clone(in);
823 if (!out) {
824 av_frame_free(&in);
825 return AVERROR(ENOMEM);
826 }
827 ret = ff_inlink_make_frame_writable(link, &out);
828 if (ret < 0) {
829 av_frame_free(&out);
830 av_frame_free(&in);
831 return ret;
832 }
833 }
834
835 1 ff_filter_execute(ctx, compute_sat_hue_metrics16, &td_huesat,
836
1/2
✓ Branch 0 taken 1 times.
✗ Branch 1 not taken.
1 NULL, FFMIN(s->chromah, ff_filter_get_nb_threads(ctx)));
837
838 // Calculate luma histogram and difference with previous frame or field.
839 1 memset(s->histy, 0, s->maxsize * sizeof(*s->histy));
840
2/2
✓ Branch 0 taken 240 times.
✓ Branch 1 taken 1 times.
241 for (j = 0; j < link->h; j++) {
841
2/2
✓ Branch 0 taken 76800 times.
✓ Branch 1 taken 240 times.
77040 for (i = 0; i < link->w; i++) {
842 76800 const int yuv = AV_RN16(in->data[0] + w + i * 2);
843
844 76800 masky |= yuv;
845 76800 histy[yuv]++;
846 76800 dify += abs(yuv - (int)AV_RN16(prev->data[0] + pw + i * 2));
847 }
848 240 w += in->linesize[0];
849 240 pw += prev->linesize[0];
850 }
851
852 // Calculate chroma histogram and difference with previous frame or field.
853 1 memset(s->histu, 0, s->maxsize * sizeof(*s->histu));
854 1 memset(s->histv, 0, s->maxsize * sizeof(*s->histv));
855 1 memset(s->histsat, 0, s->maxsize * sizeof(*s->histsat));
856
2/2
✓ Branch 0 taken 120 times.
✓ Branch 1 taken 1 times.
121 for (j = 0; j < s->chromah; j++) {
857
2/2
✓ Branch 0 taken 19200 times.
✓ Branch 1 taken 120 times.
19320 for (i = 0; i < s->chromaw; i++) {
858 19200 const int yuvu = AV_RN16(in->data[1] + cw + i * 2);
859 19200 const int yuvv = AV_RN16(in->data[2] + cw + i * 2);
860
861 19200 masku |= yuvu;
862 19200 maskv |= yuvv;
863 19200 histu[yuvu]++;
864 19200 difu += abs(yuvu - (int)AV_RN16(prev->data[1] + cpw + i * 2));
865 19200 histv[yuvv]++;
866 19200 difv += abs(yuvv - (int)AV_RN16(prev->data[2] + cpw + i * 2));
867
868 19200 histsat[p_sat[i]]++;
869 19200 histhue[((int16_t*)p_hue)[i]]++;
870 }
871 120 cw += in->linesize[1];
872 120 cpw += prev->linesize[1];
873 120 p_sat += lsz_sat;
874 120 p_hue += lsz_hue;
875 }
876
877
2/2
✓ Branch 0 taken 3 times.
✓ Branch 1 taken 1 times.
4 for (fil = 0; fil < FILT_NUMB; fil ++) {
878
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3 times.
3 if (s->filters & 1<<fil) {
879 ThreadData td = {
880 .in = in,
881 .out = out != in && s->outfilter == fil ? out : NULL,
882 };
883 memset(s->jobs_rets, 0, s->nb_jobs * sizeof(*s->jobs_rets));
884 ff_filter_execute(ctx, filters_def[fil].process16,
885 &td, s->jobs_rets, s->nb_jobs);
886 for (i = 0; i < s->nb_jobs; i++)
887 filtot[fil] += s->jobs_rets[i];
888 }
889 }
890
891 // find low / high based on histogram percentile
892 // these only need to be calculated once.
893
894 1 lowp = lrint(s->fs * 10 / 100.);
895 1 highp = lrint(s->fs * 90 / 100.);
896 1 clowp = lrint(s->cfs * 10 / 100.);
897 1 chighp = lrint(s->cfs * 90 / 100.);
898
899 1 accy = accu = accv = accsat = 0;
900
2/2
✓ Branch 0 taken 1024 times.
✓ Branch 1 taken 1 times.
1025 for (fil = 0; fil < s->maxsize; fil++) {
901
4/4
✓ Branch 0 taken 944 times.
✓ Branch 1 taken 80 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 943 times.
1024 if (miny < 0 && histy[fil]) miny = fil;
902
4/4
✓ Branch 0 taken 515 times.
✓ Branch 1 taken 509 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 514 times.
1024 if (minu < 0 && histu[fil]) minu = fil;
903
4/4
✓ Branch 0 taken 515 times.
✓ Branch 1 taken 509 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 514 times.
1024 if (minv < 0 && histv[fil]) minv = fil;
904
4/4
✓ Branch 0 taken 3 times.
✓ Branch 1 taken 1021 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 2 times.
1024 if (minsat < 0 && histsat[fil]) minsat = fil;
905
906
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 1023 times.
1024 if (histy[fil]) maxy = fil;
907
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 1023 times.
1024 if (histu[fil]) maxu = fil;
908
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 1023 times.
1024 if (histv[fil]) maxv = fil;
909
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 1023 times.
1024 if (histsat[fil]) maxsat = fil;
910
911 1024 toty += histy[fil] * fil;
912 1024 totu += histu[fil] * fil;
913 1024 totv += histv[fil] * fil;
914 1024 totsat += histsat[fil] * fil;
915
916 1024 accy += histy[fil];
917 1024 accu += histu[fil];
918 1024 accv += histv[fil];
919 1024 accsat += histsat[fil];
920
921
4/4
✓ Branch 0 taken 944 times.
✓ Branch 1 taken 80 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 943 times.
1024 if (lowy == -1 && accy >= lowp) lowy = fil;
922
4/4
✓ Branch 0 taken 515 times.
✓ Branch 1 taken 509 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 514 times.
1024 if (lowu == -1 && accu >= clowp) lowu = fil;
923
4/4
✓ Branch 0 taken 515 times.
✓ Branch 1 taken 509 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 514 times.
1024 if (lowv == -1 && accv >= clowp) lowv = fil;
924
4/4
✓ Branch 0 taken 3 times.
✓ Branch 1 taken 1021 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 2 times.
1024 if (lowsat == -1 && accsat >= clowp) lowsat = fil;
925
926
4/4
✓ Branch 0 taken 944 times.
✓ Branch 1 taken 80 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 943 times.
1024 if (highy == -1 && accy >= highp) highy = fil;
927
4/4
✓ Branch 0 taken 515 times.
✓ Branch 1 taken 509 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 514 times.
1024 if (highu == -1 && accu >= chighp) highu = fil;
928
4/4
✓ Branch 0 taken 515 times.
✓ Branch 1 taken 509 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 514 times.
1024 if (highv == -1 && accv >= chighp) highv = fil;
929
4/4
✓ Branch 0 taken 3 times.
✓ Branch 1 taken 1021 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 2 times.
1024 if (highsat == -1 && accsat >= chighp) highsat = fil;
930 }
931
932 1 maxhue = histhue[0];
933 1 medhue = -1;
934
2/2
✓ Branch 0 taken 360 times.
✓ Branch 1 taken 1 times.
361 for (fil = 0; fil < 360; fil++) {
935 360 tothue += histhue[fil] * fil;
936 360 acchue += histhue[fil];
937
938
4/4
✓ Branch 0 taken 226 times.
✓ Branch 1 taken 134 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 225 times.
360 if (medhue == -1 && acchue > s->cfs / 2)
939 1 medhue = fil;
940
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 359 times.
360 if (histhue[fil] > maxhue) {
941 1 maxhue = histhue[fil];
942 }
943 }
944
945 1 av_frame_free(&s->frame_prev);
946 1 s->frame_prev = av_frame_clone(in);
947
948 1 SET_META("YMIN", "%d", miny);
949 1 SET_META("YLOW", "%d", lowy);
950 1 SET_META("YAVG", "%g", 1.0 * toty / s->fs);
951 1 SET_META("YHIGH", "%d", highy);
952 1 SET_META("YMAX", "%d", maxy);
953
954 1 SET_META("UMIN", "%d", minu);
955 1 SET_META("ULOW", "%d", lowu);
956 1 SET_META("UAVG", "%g", 1.0 * totu / s->cfs);
957 1 SET_META("UHIGH", "%d", highu);
958 1 SET_META("UMAX", "%d", maxu);
959
960 1 SET_META("VMIN", "%d", minv);
961 1 SET_META("VLOW", "%d", lowv);
962 1 SET_META("VAVG", "%g", 1.0 * totv / s->cfs);
963 1 SET_META("VHIGH", "%d", highv);
964 1 SET_META("VMAX", "%d", maxv);
965
966 1 SET_META("SATMIN", "%d", minsat);
967 1 SET_META("SATLOW", "%d", lowsat);
968 1 SET_META("SATAVG", "%g", 1.0 * totsat / s->cfs);
969 1 SET_META("SATHIGH", "%d", highsat);
970 1 SET_META("SATMAX", "%d", maxsat);
971
972 1 SET_META("HUEMED", "%d", medhue);
973 1 SET_META("HUEAVG", "%g", 1.0 * tothue / s->cfs);
974
975 1 SET_META("YDIF", "%g", 1.0 * dify / s->fs);
976 1 SET_META("UDIF", "%g", 1.0 * difu / s->cfs);
977 1 SET_META("VDIF", "%g", 1.0 * difv / s->cfs);
978
979 1 SET_META("YBITDEPTH", "%d", compute_bit_depth(masky));
980 1 SET_META("UBITDEPTH", "%d", compute_bit_depth(masku));
981 1 SET_META("VBITDEPTH", "%d", compute_bit_depth(maskv));
982
983
2/2
✓ Branch 0 taken 3 times.
✓ Branch 1 taken 1 times.
4 for (fil = 0; fil < FILT_NUMB; fil ++) {
984
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3 times.
3 if (s->filters & 1<<fil) {
985 char metaname[128];
986 snprintf(metabuf, sizeof(metabuf), "%g", 1.0 * filtot[fil] / s->fs);
987 snprintf(metaname, sizeof(metaname), "lavfi.signalstats.%s", filters_def[fil].name);
988 av_dict_set(&out->metadata, metaname, metabuf, 0);
989 }
990 }
991
992
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
1 if (in != out)
993 av_frame_free(&in);
994 1 return ff_filter_frame(outlink, out);
995 }
996
997 2 static int filter_frame(AVFilterLink *link, AVFrame *in)
998 {
999 2 AVFilterContext *ctx = link->dst;
1000 2 SignalstatsContext *s = ctx->priv;
1001
1002
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 1 times.
2 if (s->depth > 8)
1003 1 return filter_frame16(link, in);
1004 else
1005 1 return filter_frame8(link, in);
1006 }
1007
1008 static const AVFilterPad signalstats_inputs[] = {
1009 {
1010 .name = "default",
1011 .type = AVMEDIA_TYPE_VIDEO,
1012 .filter_frame = filter_frame,
1013 },
1014 };
1015
1016 static const AVFilterPad signalstats_outputs[] = {
1017 {
1018 .name = "default",
1019 .config_props = config_output,
1020 .type = AVMEDIA_TYPE_VIDEO,
1021 },
1022 };
1023
1024 const AVFilter ff_vf_signalstats = {
1025 .name = "signalstats",
1026 .description = "Generate statistics from video analysis.",
1027 .init = init,
1028 .uninit = uninit,
1029 .priv_size = sizeof(SignalstatsContext),
1030 FILTER_INPUTS(signalstats_inputs),
1031 FILTER_OUTPUTS(signalstats_outputs),
1032 FILTER_PIXFMTS_ARRAY(pix_fmts),
1033 .priv_class = &signalstats_class,
1034 .flags = AVFILTER_FLAG_SLICE_THREADS,
1035 };
1036