FFmpeg
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vf_datascope.c
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1/*
2 * Copyright (c) 2016 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/intreadwrite.h"
22#include "libavutil/mem.h"
23#include "libavutil/opt.h"
24#include "libavutil/pixdesc.h"
25#include "libavutil/xga_font_data.h"
26#include "avfilter.h"
27#include "drawutils.h"
28#include "filters.h"
29#include "formats.h"
30#include "video.h"
31
55
56#define OFFSET(x) offsetof(DatascopeContext, x)
57#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
58#define FLAGSR AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
59
60static const AVOption datascope_options[] = {
61 { "size", "set output size", OFFSET(ow), AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"}, 0, 0, FLAGS },
62 { "s", "set output size", OFFSET(ow), AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"}, 0, 0, FLAGS },
63 { "x", "set x offset", OFFSET(x), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGSR },
64 { "y", "set y offset", OFFSET(y), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGSR },
65 { "mode", "set scope mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGSR, .unit = "mode" },
66 { "mono", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGSR, .unit = "mode" },
67 { "color", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGSR, .unit = "mode" },
68 { "color2", NULL, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGSR, .unit = "mode" },
69 { "axis", "draw column/row numbers", OFFSET(axis), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGSR },
70 { "opacity", "set background opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGSR },
71 { "format", "set display number format", OFFSET(dformat), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGSR, .unit = "format" },
72 { "hex", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGSR, .unit = "format" },
73 { "dec", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGSR, .unit = "format" },
74 { "components", "set components to display", OFFSET(components), AV_OPT_TYPE_INT, {.i64=15}, 1, 15, FLAGSR },
75 { NULL }
76};
77
78AVFILTER_DEFINE_CLASS(datascope);
79
80static int query_formats(const AVFilterContext *ctx,
81 AVFilterFormatsConfig **cfg_in,
82 AVFilterFormatsConfig **cfg_out)
83{
84 return ff_set_common_formats2(ctx, cfg_in, cfg_out,
85 ff_draw_supported_pixel_formats(0));
86}
87
88static void draw_text(FFDrawContext *draw, AVFrame *frame, FFDrawColor *color,
89 int x0, int y0, const uint8_t *text, int vertical)
90{
91 const uint8_t *cga_font = avpriv_cga_font_get();
92 int x = x0;
93
94 for (; *text; text++) {
95 if (*text == '\n') {
96 x = x0;
97 y0 += 8;
98 continue;
99 }
100 ff_blend_mask(draw, color, frame->data, frame->linesize,
101 frame->width, frame->height,
102 &cga_font[*text * 8], 1, 8, 8, 0, 0, x, y0);
103 if (vertical) {
104 x = x0;
105 y0 += 8;
106 } else {
107 x += 8;
108 }
109 }
110}
111
112static void pick_color8(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value)
113{
114 int p, i;
115
116 color->rgba[3] = 255;
117 for (p = 0; p < draw->nb_planes; p++) {
118 if (draw->nb_planes == 1) {
119 for (i = 0; i < 4; i++) {
120 value[i] = in->data[0][y * in->linesize[0] + x * draw->pixelstep[0] + i];
121 color->comp[0].u8[i] = value[i];
122 }
123 } else {
124 value[p] = in->data[p][(y >> draw->vsub[p]) * in->linesize[p] + (x >> draw->hsub[p])];
125 color->comp[p].u8[0] = value[p];
126 }
127 }
128}
129
130static void pick_color16(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value)
131{
132 int p, i;
133
134 color->rgba[3] = 255;
135 for (p = 0; p < draw->nb_planes; p++) {
136 if (draw->nb_planes == 1) {
137 for (i = 0; i < 4; i++) {
138 value[i] = AV_RL16(in->data[0] + y * in->linesize[0] + x * draw->pixelstep[0] + i * 2);
139 color->comp[0].u16[i] = value[i];
140 }
141 } else {
142 value[p] = AV_RL16(in->data[p] + (y >> draw->vsub[p]) * in->linesize[p] + (x >> draw->hsub[p]) * 2);
143 color->comp[p].u16[0] = value[p];
144 }
145 }
146}
147
148static void reverse_color8(FFDrawContext *draw, FFDrawColor *color, FFDrawColor *reverse)
149{
150 int p;
151
152 reverse->rgba[3] = 255;
153 for (p = 0; p < draw->nb_planes; p++) {
154 reverse->comp[p].u8[0] = color->comp[p].u8[0] > 127 ? 0 : 255;
155 reverse->comp[p].u8[1] = color->comp[p].u8[1] > 127 ? 0 : 255;
156 reverse->comp[p].u8[2] = color->comp[p].u8[2] > 127 ? 0 : 255;
157 }
158}
159
160static void reverse_color16(FFDrawContext *draw, FFDrawColor *color, FFDrawColor *reverse)
161{
162 int p;
163
164 reverse->rgba[3] = 255;
165 for (p = 0; p < draw->nb_planes; p++) {
166 const unsigned max = (1 << draw->desc->comp[p].depth) - 1;
167 const unsigned mid = (max + 1) / 2;
168
169 reverse->comp[p].u16[0] = color->comp[p].u16[0] > mid ? 0 : max;
170 reverse->comp[p].u16[1] = color->comp[p].u16[1] > mid ? 0 : max;
171 reverse->comp[p].u16[2] = color->comp[p].u16[2] > mid ? 0 : max;
172 }
173}
174
175typedef struct ThreadData {
176 AVFrame *in, *out;
177 int xoff, yoff, PP;
178} ThreadData;
179
180static int filter_color2(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
181{
182 DatascopeContext *s = ctx->priv;
183 AVFilterLink *outlink = ctx->outputs[0];
184 AVFilterLink *inlink = ctx->inputs[0];
185 ThreadData *td = arg;
186 AVFrame *in = td->in;
187 AVFrame *out = td->out;
188 const int PP = td->PP;
189 const int xoff = td->xoff;
190 const int yoff = td->yoff;
191 const int P = FFMAX(s->nb_planes, s->nb_comps);
192 const int C = s->chars;
193 const int D = ((s->chars - s->dformat) >> 2) + s->dformat * 2;
194 const int W = (outlink->w - xoff) / (C * 10);
195 const int H = (outlink->h - yoff) / (PP * 12);
196 const char *format[4] = {"%02X\n", "%04X\n", "%03d\n", "%05d\n"};
197 const int slice_start = ff_slice_pos(W, jobnr, nb_jobs);
198 const int slice_end = ff_slice_pos(W, jobnr + 1, nb_jobs);
199 int x, y, p;
200
201 for (y = 0; y < H && (y + s->y < inlink->h); y++) {
202 for (x = slice_start; x < slice_end && (x + s->x < inlink->w); x++) {
203 FFDrawColor color = { { 0 } };
204 FFDrawColor reverse = { { 0 } };
205 int value[4] = { 0 }, pp = 0;
206
207 s->pick_color(&s->draw, &color, in, x + s->x, y + s->y, value);
208 s->reverse_color(&s->draw, &color, &reverse);
209 ff_fill_rectangle(&s->draw, &color, out->data, out->linesize,
210 xoff + x * C * 10, yoff + y * PP * 12, C * 10, PP * 12);
211
212 for (p = 0; p < P; p++) {
213 char text[256];
214
215 if (!(s->components & (1 << p)))
216 continue;
217 snprintf(text, sizeof(text), format[D], value[p]);
218 draw_text(&s->draw, out, &reverse, xoff + x * C * 10 + 2, yoff + y * PP * 12 + pp * 10 + 2, text, 0);
219 pp++;
220 }
221 }
222 }
223
224 return 0;
225}
226
227static int filter_color(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
228{
229 DatascopeContext *s = ctx->priv;
230 AVFilterLink *outlink = ctx->outputs[0];
231 AVFilterLink *inlink = ctx->inputs[0];
232 ThreadData *td = arg;
233 AVFrame *in = td->in;
234 AVFrame *out = td->out;
235 const int PP = td->PP;
236 const int xoff = td->xoff;
237 const int yoff = td->yoff;
238 const int P = FFMAX(s->nb_planes, s->nb_comps);
239 const int C = s->chars;
240 const int D = ((s->chars - s->dformat) >> 2) + s->dformat * 2;
241 const int W = (outlink->w - xoff) / (C * 10);
242 const int H = (outlink->h - yoff) / (PP * 12);
243 const char *format[4] = {"%02X\n", "%04X\n", "%03d\n", "%05d\n"};
244 const int slice_start = ff_slice_pos(W, jobnr, nb_jobs);
245 const int slice_end = ff_slice_pos(W, jobnr + 1, nb_jobs);
246 int x, y, p;
247
248 for (y = 0; y < H && (y + s->y < inlink->h); y++) {
249 for (x = slice_start; x < slice_end && (x + s->x < inlink->w); x++) {
250 FFDrawColor color = { { 0 } };
251 int value[4] = { 0 }, pp = 0;
252
253 s->pick_color(&s->draw, &color, in, x + s->x, y + s->y, value);
254
255 for (p = 0; p < P; p++) {
256 char text[256];
257
258 if (!(s->components & (1 << p)))
259 continue;
260 snprintf(text, sizeof(text), format[D], value[p]);
261 draw_text(&s->draw, out, &color, xoff + x * C * 10 + 2, yoff + y * PP * 12 + pp * 10 + 2, text, 0);
262 pp++;
263 }
264 }
265 }
266
267 return 0;
268}
269
270static int filter_mono(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
271{
272 DatascopeContext *s = ctx->priv;
273 AVFilterLink *outlink = ctx->outputs[0];
274 AVFilterLink *inlink = ctx->inputs[0];
275 ThreadData *td = arg;
276 AVFrame *in = td->in;
277 AVFrame *out = td->out;
278 const int PP = td->PP;
279 const int xoff = td->xoff;
280 const int yoff = td->yoff;
281 const int P = FFMAX(s->nb_planes, s->nb_comps);
282 const int C = s->chars;
283 const int D = ((s->chars - s->dformat) >> 2) + s->dformat * 2;
284 const int W = (outlink->w - xoff) / (C * 10);
285 const int H = (outlink->h - yoff) / (PP * 12);
286 const char *format[4] = {"%02X\n", "%04X\n", "%03d\n", "%05d\n"};
287 const int slice_start = ff_slice_pos(W, jobnr, nb_jobs);
288 const int slice_end = ff_slice_pos(W, jobnr + 1, nb_jobs);
289 int x, y, p;
290
291 for (y = 0; y < H && (y + s->y < inlink->h); y++) {
292 for (x = slice_start; x < slice_end && (x + s->x < inlink->w); x++) {
293 FFDrawColor color = { { 0 } };
294 int value[4] = { 0 }, pp = 0;
295
296 s->pick_color(&s->draw, &color, in, x + s->x, y + s->y, value);
297 for (p = 0; p < P; p++) {
298 char text[256];
299
300 if (!(s->components & (1 << p)))
301 continue;
302 snprintf(text, sizeof(text), format[D], value[p]);
303 draw_text(&s->draw, out, &s->white, xoff + x * C * 10 + 2, yoff + y * PP * 12 + pp * 10 + 2, text, 0);
304 pp++;
305 }
306 }
307 }
308
309 return 0;
310}
311
312static int filter_frame(AVFilterLink *inlink, AVFrame *in)
313{
314 AVFilterContext *ctx = inlink->dst;
315 DatascopeContext *s = ctx->priv;
316 AVFilterLink *outlink = ctx->outputs[0];
317 const int P = FFMAX(s->nb_planes, s->nb_comps);
318 ThreadData td = { 0 };
319 int ymaxlen = 0;
320 int xmaxlen = 0;
321 int PP = 0;
322 AVFrame *out;
323
324 out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
325 if (!out) {
326 av_frame_free(&in);
327 return AVERROR(ENOMEM);
328 }
329 av_frame_copy_props(out, in);
330
331 ff_fill_rectangle(&s->draw, &s->black, out->data, out->linesize,
332 0, 0, outlink->w, outlink->h);
333
334 for (int p = 0; p < P; p++) {
335 if (s->components & (1 << p))
336 PP++;
337 }
338 PP = FFMAX(PP, 1);
339
340 if (s->axis) {
341 const int C = s->chars;
342 int Y = outlink->h / (PP * 12);
343 int X = outlink->w / (C * 10);
344 char text[256] = { 0 };
345 int x, y;
346
347 snprintf(text, sizeof(text), "%d", s->y + Y);
348 ymaxlen = strlen(text);
349 ymaxlen *= 10;
350 snprintf(text, sizeof(text), "%d", s->x + X);
351 xmaxlen = strlen(text);
352 xmaxlen *= 10;
353
354 Y = (outlink->h - xmaxlen) / (PP * 12);
355 X = (outlink->w - ymaxlen) / (C * 10);
356
357 for (y = 0; y < Y; y++) {
358 snprintf(text, sizeof(text), "%d", s->y + y);
359
360 ff_fill_rectangle(&s->draw, &s->gray, out->data, out->linesize,
361 0, xmaxlen + y * PP * 12 + (PP + 1) * PP - 2, ymaxlen, 10);
362
363 draw_text(&s->draw, out, &s->yellow, 2, xmaxlen + y * PP * 12 + (PP + 1) * PP, text, 0);
364 }
365
366 for (x = 0; x < X; x++) {
367 snprintf(text, sizeof(text), "%d", s->x + x);
368
369 ff_fill_rectangle(&s->draw, &s->gray, out->data, out->linesize,
370 ymaxlen + x * C * 10 + 2 * C - 2, 0, 10, xmaxlen);
371
372 draw_text(&s->draw, out, &s->yellow, ymaxlen + x * C * 10 + 2 * C, 2, text, 1);
373 }
374 }
375
376 td.in = in; td.out = out, td.yoff = xmaxlen, td.xoff = ymaxlen, td.PP = PP;
377 ff_filter_execute(ctx, s->filter, &td, NULL,
378 FFMIN(ff_filter_get_nb_threads(ctx), FFMAX(outlink->w / 20, 1)));
379
380 av_frame_free(&in);
381 return ff_filter_frame(outlink, out);
382}
383
384static int config_input(AVFilterLink *inlink)
385{
386 AVFilterContext *ctx = inlink->dst;
387 DatascopeContext *s = ctx->priv;
388
389 uint8_t alpha = s->opacity * 255;
390 int ret;
391
392 s->nb_planes = av_pix_fmt_count_planes(inlink->format);
393 ret = ff_draw_init_from_link(&s->draw, inlink, 0);
394 if (ret < 0) {
395 av_log(ctx, AV_LOG_ERROR, "Failed to initialize FFDrawContext\n");
396 return ret;
397 }
398 ff_draw_color(&s->draw, &s->white, (uint8_t[]){ 255, 255, 255, 255} );
399 ff_draw_color(&s->draw, &s->black, (uint8_t[]){ 0, 0, 0, alpha} );
400 ff_draw_color(&s->draw, &s->yellow, (uint8_t[]){ 255, 255, 0, 255} );
401 ff_draw_color(&s->draw, &s->gray, (uint8_t[]){ 77, 77, 77, 255} );
402 s->chars = (s->draw.desc->comp[0].depth + 7) / 8 * 2 + s->dformat;
403 s->nb_comps = s->draw.desc->nb_components;
404
405 switch (s->mode) {
406 case 0: s->filter = filter_mono; break;
407 case 1: s->filter = filter_color; break;
408 case 2: s->filter = filter_color2; break;
409 }
410
411 if (s->draw.desc->comp[0].depth <= 8) {
412 s->pick_color = pick_color8;
413 s->reverse_color = reverse_color8;
414 } else {
415 s->pick_color = pick_color16;
416 s->reverse_color = reverse_color16;
417 }
418
419 return 0;
420}
421
422static int config_output(AVFilterLink *outlink)
423{
424 DatascopeContext *s = outlink->src->priv;
425
426 outlink->h = s->oh;
427 outlink->w = s->ow;
428 outlink->sample_aspect_ratio = (AVRational){1,1};
429
430 return 0;
431}
432
433static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
434 char *res, int res_len, int flags)
435{
436 int ret;
437
438 ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
439 if (ret < 0)
440 return ret;
441
442 return config_input(ctx->inputs[0]);
443}
444
445static const AVFilterPad inputs[] = {
446 {
447 .name = "default",
448 .type = AVMEDIA_TYPE_VIDEO,
449 .filter_frame = filter_frame,
450 .config_props = config_input,
451 },
452};
453
454static const AVFilterPad outputs[] = {
455 {
456 .name = "default",
457 .type = AVMEDIA_TYPE_VIDEO,
458 .config_props = config_output,
459 },
460};
461
462const FFFilter ff_vf_datascope = {
463 .p.name = "datascope",
464 .p.description = NULL_IF_CONFIG_SMALL("Video data analysis."),
465 .p.priv_class = &datascope_class,
466 .p.flags = AVFILTER_FLAG_SLICE_THREADS,
467 .priv_size = sizeof(DatascopeContext),
468 FILTER_INPUTS(inputs),
469 FILTER_OUTPUTS(outputs),
470 FILTER_QUERY_FUNC2(query_formats),
471 .process_command = process_command,
472};
473
502
503#define POFFSET(x) offsetof(PixscopeContext, x)
504
505static const AVOption pixscope_options[] = {
506 { "x", "set scope x offset", POFFSET(xpos), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGSR },
507 { "y", "set scope y offset", POFFSET(ypos), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGSR },
508 { "w", "set scope width", POFFSET(w), AV_OPT_TYPE_INT, {.i64=7}, 1, 80, FLAGSR },
509 { "h", "set scope height", POFFSET(h), AV_OPT_TYPE_INT, {.i64=7}, 1, 80, FLAGSR },
510 { "o", "set window opacity", POFFSET(o), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGSR },
511 { "wx", "set window x offset", POFFSET(wx), AV_OPT_TYPE_FLOAT, {.dbl=-1}, -1, 1, FLAGSR },
512 { "wy", "set window y offset", POFFSET(wy), AV_OPT_TYPE_FLOAT, {.dbl=-1}, -1, 1, FLAGSR },
513 { NULL }
514};
515
516AVFILTER_DEFINE_CLASS(pixscope);
517
518static int pixscope_config_input(AVFilterLink *inlink)
519{
520 AVFilterContext *ctx = inlink->dst;
521 PixscopeContext *s = ctx->priv;
522 int ret;
523
524 s->nb_planes = av_pix_fmt_count_planes(inlink->format);
525 ret = ff_draw_init(&s->draw, inlink->format, 0);
526 if (ret < 0) {
527 av_log(ctx, AV_LOG_ERROR, "Failed to initialize FFDrawContext\n");
528 return ret;
529 }
530 ff_draw_color(&s->draw, &s->dark, (uint8_t[]){ 0, 0, 0, s->o * 255} );
531 ff_draw_color(&s->draw, &s->black, (uint8_t[]){ 0, 0, 0, 255} );
532 ff_draw_color(&s->draw, &s->white, (uint8_t[]){ 255, 255, 255, 255} );
533 ff_draw_color(&s->draw, &s->green, (uint8_t[]){ 0, 255, 0, 255} );
534 ff_draw_color(&s->draw, &s->blue, (uint8_t[]){ 0, 0, 255, 255} );
535 ff_draw_color(&s->draw, &s->red, (uint8_t[]){ 255, 0, 0, 255} );
536 s->nb_comps = s->draw.desc->nb_components;
537 s->is_rgb = s->draw.desc->flags & AV_PIX_FMT_FLAG_RGB;
538
539 if (s->is_rgb) {
540 s->colors[0] = &s->red;
541 s->colors[1] = &s->green;
542 s->colors[2] = &s->blue;
543 s->colors[3] = &s->white;
544 ff_fill_rgba_map(s->rgba_map, inlink->format);
545 } else {
546 s->colors[0] = &s->white;
547 s->colors[1] = &s->blue;
548 s->colors[2] = &s->red;
549 s->colors[3] = &s->white;
550 s->rgba_map[0] = 0;
551 s->rgba_map[1] = 1;
552 s->rgba_map[2] = 2;
553 s->rgba_map[3] = 3;
554 }
555
556 if (s->draw.desc->comp[0].depth <= 8) {
557 s->pick_color = pick_color8;
558 } else {
559 s->pick_color = pick_color16;
560 }
561
562 if (inlink->w < 640 || inlink->h < 480) {
563 av_log(inlink->dst, AV_LOG_ERROR, "min supported resolution is 640x480\n");
564 return AVERROR(EINVAL);
565 }
566
567 s->ww = 300;
568 s->wh = 300 * 1.6;
569 s->x = s->xpos * (inlink->w - 1);
570 s->y = s->ypos * (inlink->h - 1);
571 if (s->x + s->w >= inlink->w || s->y + s->h >= inlink->h) {
572 av_log(inlink->dst, AV_LOG_WARNING, "scope position is out of range, clipping\n");
573 s->x = FFMIN(s->x, inlink->w - s->w);
574 s->y = FFMIN(s->y, inlink->h - s->h);
575 }
576
577 return 0;
578}
579
580#define SQR(x) ((x)*(x))
581
582static int pixscope_filter_frame(AVFilterLink *inlink, AVFrame *in)
583{
584 AVFilterContext *ctx = inlink->dst;
585 PixscopeContext *s = ctx->priv;
586 AVFilterLink *outlink = ctx->outputs[0];
587 AVFrame *out = ff_get_video_buffer(outlink, in->width, in->height);
588 int max[4] = { 0 }, min[4] = { INT_MAX, INT_MAX, INT_MAX, INT_MAX };
589 float average[4] = { 0 };
590 double std[4] = { 0 }, rms[4] = { 0 };
591 const char rgba[4] = { 'R', 'G', 'B', 'A' };
592 const char yuva[4] = { 'Y', 'U', 'V', 'A' };
593 int x, y, X, Y, i, w, h;
594 char text[128];
595
596 if (!out) {
597 av_frame_free(&in);
598 return AVERROR(ENOMEM);
599 }
600 av_frame_copy_props(out, in);
601 av_frame_copy(out, in);
602
603 w = s->ww / s->w;
604 h = s->ww / s->h;
605
606 if (s->wx >= 0) {
607 X = (in->width - s->ww) * s->wx;
608 } else {
609 X = (in->width - s->ww) * -s->wx;
610 }
611 if (s->wy >= 0) {
612 Y = (in->height - s->wh) * s->wy;
613 } else {
614 Y = (in->height - s->wh) * -s->wy;
615 }
616
617 if (s->wx < 0) {
618 if (s->x + s->w >= X && (s->x + s->w <= X + s->ww) &&
619 s->y + s->h >= Y && (s->y + s->h <= Y + s->wh)) {
620 X = (in->width - s->ww) * (1 + s->wx);
621 }
622 }
623
624 if (s->wy < 0) {
625 if (s->x + s->w >= X && (s->x + s->w <= X + s->ww) &&
626 s->y + s->h >= Y && (s->y + s->h <= Y + s->wh)) {
627 Y = (in->height - s->wh) * (1 + s->wy);
628 }
629 }
630
631 ff_blend_rectangle(&s->draw, &s->dark, out->data, out->linesize,
632 out->width, out->height,
633 X,
634 Y,
635 s->ww,
636 s->wh);
637
638 for (y = 0; y < s->h; y++) {
639 for (x = 0; x < s->w; x++) {
640 FFDrawColor color = { { 0 } };
641 int value[4] = { 0 };
642
643 s->pick_color(&s->draw, &color, in, x + s->x, y + s->y, value);
644 ff_fill_rectangle(&s->draw, &color, out->data, out->linesize,
645 x * w + (s->ww - 4 - (s->w * w)) / 2 + X, y * h + 2 + Y, w, h);
646 for (i = 0; i < 4; i++) {
647 s->values[i][x][y] = value[i];
648 rms[i] += (double)value[i] * (double)value[i];
649 average[i] += value[i];
650 min[i] = FFMIN(min[i], value[i]);
651 max[i] = FFMAX(max[i], value[i]);
652 }
653 }
654 }
655
656 ff_blend_rectangle(&s->draw, &s->black, out->data, out->linesize,
657 out->width, out->height,
658 s->x - 2, s->y - 2, s->w + 4, 1);
659
660 ff_blend_rectangle(&s->draw, &s->white, out->data, out->linesize,
661 out->width, out->height,
662 s->x - 1, s->y - 1, s->w + 2, 1);
663
664 ff_blend_rectangle(&s->draw, &s->white, out->data, out->linesize,
665 out->width, out->height,
666 s->x - 1, s->y - 1, 1, s->h + 2);
667
668 ff_blend_rectangle(&s->draw, &s->black, out->data, out->linesize,
669 out->width, out->height,
670 s->x - 2, s->y - 2, 1, s->h + 4);
671
672 ff_blend_rectangle(&s->draw, &s->white, out->data, out->linesize,
673 out->width, out->height,
674 s->x - 1, s->y + 1 + s->h, s->w + 3, 1);
675
676 ff_blend_rectangle(&s->draw, &s->black, out->data, out->linesize,
677 out->width, out->height,
678 s->x - 2, s->y + 2 + s->h, s->w + 4, 1);
679
680 ff_blend_rectangle(&s->draw, &s->white, out->data, out->linesize,
681 out->width, out->height,
682 s->x + 1 + s->w, s->y - 1, 1, s->h + 2);
683
684 ff_blend_rectangle(&s->draw, &s->black, out->data, out->linesize,
685 out->width, out->height,
686 s->x + 2 + s->w, s->y - 2, 1, s->h + 5);
687
688 for (i = 0; i < 4; i++) {
689 rms[i] /= s->w * s->h;
690 rms[i] = sqrt(rms[i]);
691 average[i] /= s->w * s->h;
692 }
693
694 for (y = 0; y < s->h; y++) {
695 for (x = 0; x < s->w; x++) {
696 for (i = 0; i < 4; i++)
697 std[i] += SQR(s->values[i][x][y] - average[i]);
698 }
699 }
700
701 for (i = 0; i < 4; i++) {
702 std[i] /= s->w * s->h;
703 std[i] = sqrt(std[i]);
704 }
705
706 snprintf(text, sizeof(text), "CH AVG MIN MAX RMS\n");
707 draw_text(&s->draw, out, &s->white, X + 28, Y + s->ww + 5, text, 0);
708 for (i = 0; i < s->nb_comps; i++) {
709 int c = s->rgba_map[i];
710
711 snprintf(text, sizeof(text), "%c %07.1f %05d %05d %07.1f\n", s->is_rgb ? rgba[i] : yuva[i], average[c], min[c], max[c], rms[c]);
712 draw_text(&s->draw, out, s->colors[i], X + 28, Y + s->ww + 15 * (i + 1), text, 0);
713 }
714 snprintf(text, sizeof(text), "CH STD\n");
715 draw_text(&s->draw, out, &s->white, X + 28, Y + s->ww + 15 * (0 + 5), text, 0);
716 for (i = 0; i < s->nb_comps; i++) {
717 int c = s->rgba_map[i];
718
719 snprintf(text, sizeof(text), "%c %07.2f\n", s->is_rgb ? rgba[i] : yuva[i], std[c]);
720 draw_text(&s->draw, out, s->colors[i], X + 28, Y + s->ww + 15 * (i + 6), text, 0);
721 }
722
723 av_frame_free(&in);
724 return ff_filter_frame(outlink, out);
725}
726
727static int pixscope_process_command(AVFilterContext *ctx, const char *cmd, const char *args,
728 char *res, int res_len, int flags)
729{
730 int ret;
731
732 ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
733 if (ret < 0)
734 return ret;
735
736 return pixscope_config_input(ctx->inputs[0]);
737}
738
739static const AVFilterPad pixscope_inputs[] = {
740 {
741 .name = "default",
742 .type = AVMEDIA_TYPE_VIDEO,
743 .filter_frame = pixscope_filter_frame,
744 .config_props = pixscope_config_input,
745 },
746};
747
748const FFFilter ff_vf_pixscope = {
749 .p.name = "pixscope",
750 .p.description = NULL_IF_CONFIG_SMALL("Pixel data analysis."),
751 .p.priv_class = &pixscope_class,
752 .p.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
753 .priv_size = sizeof(PixscopeContext),
754 FILTER_INPUTS(pixscope_inputs),
755 FILTER_OUTPUTS(ff_video_default_filterpad),
756 FILTER_QUERY_FUNC2(query_formats),
757 .process_command = pixscope_process_command,
758};
759
760typedef struct PixelValues {
761 uint16_t p[4];
762} PixelValues;
763
805
806#define OOFFSET(x) offsetof(OscilloscopeContext, x)
807
808static const AVOption oscilloscope_options[] = {
809 { "x", "set scope x position", OOFFSET(xpos), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGSR },
810 { "y", "set scope y position", OOFFSET(ypos), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGSR },
811 { "s", "set scope size", OOFFSET(size), AV_OPT_TYPE_FLOAT, {.dbl=0.8}, 0, 1, FLAGSR },
812 { "t", "set scope tilt", OOFFSET(tilt), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGSR },
813 { "o", "set trace opacity", OOFFSET(o), AV_OPT_TYPE_FLOAT, {.dbl=0.8}, 0, 1, FLAGSR },
814 { "tx", "set trace x position", OOFFSET(tx), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGSR },
815 { "ty", "set trace y position", OOFFSET(ty), AV_OPT_TYPE_FLOAT, {.dbl=0.9}, 0, 1, FLAGSR },
816 { "tw", "set trace width", OOFFSET(twidth), AV_OPT_TYPE_FLOAT, {.dbl=0.8},.1, 1, FLAGSR },
817 { "th", "set trace height", OOFFSET(theight), AV_OPT_TYPE_FLOAT, {.dbl=0.3},.1, 1, FLAGSR },
818 { "c", "set components to trace", OOFFSET(components), AV_OPT_TYPE_INT, {.i64=7}, 0, 15, FLAGSR },
819 { "g", "draw trace grid", OOFFSET(grid), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGSR },
820 { "st", "draw statistics", OOFFSET(statistics), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGSR },
821 { "sc", "draw scope", OOFFSET(scope), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGSR },
822 { NULL }
823};
824
825AVFILTER_DEFINE_CLASS(oscilloscope);
826
827static void oscilloscope_uninit(AVFilterContext *ctx)
828{
829 OscilloscopeContext *s = ctx->priv;
830
831 av_freep(&s->values);
832}
833
834static void draw_line(FFDrawContext *draw, int x0, int y0, int x1, int y1,
835 AVFrame *out, FFDrawColor *color)
836{
837 int dx = FFABS(x1 - x0), sx = x0 < x1 ? 1 : -1;
838 int dy = FFABS(y1 - y0), sy = y0 < y1 ? 1 : -1;
839 int err = (dx > dy ? dx : -dy) / 2, e2;
840 int p, i;
841
842 for (;;) {
843 if (x0 >= 0 && y0 >= 0 && x0 < out->width && y0 < out->height) {
844 for (p = 0; p < draw->nb_planes; p++) {
845 if (draw->desc->comp[p].depth == 8) {
846 if (draw->nb_planes == 1) {
847 for (i = 0; i < draw->desc->nb_components; i++) {
848 out->data[0][y0 * out->linesize[0] + x0 * draw->pixelstep[0] + i] = color->comp[0].u8[i];
849 }
850 } else {
851 out->data[p][out->linesize[p] * (y0 >> draw->vsub[p]) + (x0 >> draw->hsub[p])] = color->comp[p].u8[0];
852 }
853 } else {
854 if (draw->nb_planes == 1) {
855 for (i = 0; i < draw->desc->nb_components; i++) {
856 AV_WN16(out->data[0] + y0 * out->linesize[0] + (x0 * draw->pixelstep[0] + i), color->comp[0].u16[i]);
857 }
858 } else {
859 AV_WN16(out->data[p] + out->linesize[p] * (y0 >> draw->vsub[p]) + (x0 >> draw->hsub[p]) * 2, color->comp[p].u16[0]);
860 }
861 }
862 }
863 }
864
865 if (x0 == x1 && y0 == y1)
866 break;
867
868 e2 = err;
869
870 if (e2 >-dx) {
871 err -= dy;
872 x0 += sx;
873 }
874
875 if (e2 < dy) {
876 err += dx;
877 y0 += sy;
878 }
879 }
880}
881
882static void draw_trace8(OscilloscopeContext *s, AVFrame *frame)
883{
884 int i, c;
885
886 for (i = 1; i < s->nb_values; i++) {
887 for (c = 0; c < s->nb_comps; c++) {
888 if ((1 << c) & s->components) {
889 int x = i * s->width / s->nb_values;
890 int px = (i - 1) * s->width / s->nb_values;
891 int py = s->height - s->values[i-1].p[s->rgba_map[c]] * s->height / 256;
892 int y = s->height - s->values[i].p[s->rgba_map[c]] * s->height / 256;
893
894 draw_line(&s->draw, s->ox + x, s->oy + y, s->ox + px, s->oy + py, frame, s->colors[c]);
895 }
896 }
897 }
898}
899
900
901static void draw_trace16(OscilloscopeContext *s, AVFrame *frame)
902{
903 int i, c;
904
905 for (i = 1; i < s->nb_values; i++) {
906 for (c = 0; c < s->nb_comps; c++) {
907 if ((1 << c) & s->components) {
908 int x = i * s->width / s->nb_values;
909 int px = (i - 1) * s->width / s->nb_values;
910 int py = s->height - s->values[i-1].p[s->rgba_map[c]] * s->height / s->max;
911 int y = s->height - s->values[i].p[s->rgba_map[c]] * s->height / s->max;
912
913 draw_line(&s->draw, s->ox + x, s->oy + y, s->ox + px, s->oy + py, frame, s->colors[c]);
914 }
915 }
916 }
917}
918
919static void update_oscilloscope(AVFilterContext *ctx)
920{
921 OscilloscopeContext *s = ctx->priv;
922 AVFilterLink *inlink = ctx->inputs[0];
923 int cx, cy, size;
924 double tilt;
925
926 ff_draw_color(&s->draw, &s->dark, (uint8_t[]){ 0, 0, 0, s->o * 255} );
927 s->height = s->theight * inlink->h;
928 s->width = s->twidth * inlink->w;
929 size = hypot(inlink->w, inlink->h);
930 size *= s->size;
931 tilt = (s->tilt - 0.5) * M_PI;
932 cx = s->xpos * (inlink->w - 1);
933 cy = s->ypos * (inlink->h - 1);
934 s->x1 = cx - size / 2.0 * cos(tilt);
935 s->x2 = cx + size / 2.0 * cos(tilt);
936 s->y1 = cy - size / 2.0 * sin(tilt);
937 s->y2 = cy + size / 2.0 * sin(tilt);
938 s->ox = (inlink->w - s->width) * s->tx;
939 s->oy = (inlink->h - s->height) * s->ty;
940}
941
942static int oscilloscope_config_input(AVFilterLink *inlink)
943{
944 AVFilterContext *ctx = inlink->dst;
945 OscilloscopeContext *s = ctx->priv;
946 int size;
947 int ret;
948
949 s->nb_planes = av_pix_fmt_count_planes(inlink->format);
950 ret = ff_draw_init(&s->draw, inlink->format, 0);
951 if (ret < 0) {
952 av_log(ctx, AV_LOG_ERROR, "Failed to initialize FFDrawContext\n");
953 return ret;
954 }
955 ff_draw_color(&s->draw, &s->black, (uint8_t[]){ 0, 0, 0, 255} );
956 ff_draw_color(&s->draw, &s->white, (uint8_t[]){ 255, 255, 255, 255} );
957 ff_draw_color(&s->draw, &s->green, (uint8_t[]){ 0, 255, 0, 255} );
958 ff_draw_color(&s->draw, &s->blue, (uint8_t[]){ 0, 0, 255, 255} );
959 ff_draw_color(&s->draw, &s->red, (uint8_t[]){ 255, 0, 0, 255} );
960 ff_draw_color(&s->draw, &s->cyan, (uint8_t[]){ 0, 255, 255, 255} );
961 ff_draw_color(&s->draw, &s->magenta, (uint8_t[]){ 255, 0, 255, 255} );
962 ff_draw_color(&s->draw, &s->gray, (uint8_t[]){ 128, 128, 128, 255} );
963 s->nb_comps = s->draw.desc->nb_components;
964 s->is_rgb = s->draw.desc->flags & AV_PIX_FMT_FLAG_RGB;
965
966 if (s->is_rgb) {
967 s->colors[0] = &s->red;
968 s->colors[1] = &s->green;
969 s->colors[2] = &s->blue;
970 s->colors[3] = &s->white;
971 ff_fill_rgba_map(s->rgba_map, inlink->format);
972 } else {
973 s->colors[0] = &s->white;
974 s->colors[1] = &s->cyan;
975 s->colors[2] = &s->magenta;
976 s->colors[3] = &s->white;
977 s->rgba_map[0] = 0;
978 s->rgba_map[1] = 1;
979 s->rgba_map[2] = 2;
980 s->rgba_map[3] = 3;
981 }
982
983 if (s->draw.desc->comp[0].depth <= 8) {
984 s->pick_color = pick_color8;
985 s->draw_trace = draw_trace8;
986 } else {
987 s->pick_color = pick_color16;
988 s->draw_trace = draw_trace16;
989 }
990
991 s->max = (1 << s->draw.desc->comp[0].depth);
992 size = hypot(inlink->w, inlink->h);
993
994 s->values = av_calloc(size, sizeof(*s->values));
995 if (!s->values)
996 return AVERROR(ENOMEM);
997
998 update_oscilloscope(inlink->dst);
999
1000 return 0;
1001}
1002
1003static void draw_scope(OscilloscopeContext *s, int x0, int y0, int x1, int y1,
1004 AVFrame *out, PixelValues *p, int state)
1005{
1006 int dx = FFABS(x1 - x0), sx = x0 < x1 ? 1 : -1;
1007 int dy = FFABS(y1 - y0), sy = y0 < y1 ? 1 : -1;
1008 int err = (dx > dy ? dx : -dy) / 2, e2;
1009
1010 for (;;) {
1011 if (x0 >= 0 && y0 >= 0 && x0 < out->width && y0 < out->height) {
1012 FFDrawColor color = { { 0 } };
1013 int value[4] = { 0 };
1014
1015 s->pick_color(&s->draw, &color, out, x0, y0, value);
1016 s->values[s->nb_values].p[0] = value[0];
1017 s->values[s->nb_values].p[1] = value[1];
1018 s->values[s->nb_values].p[2] = value[2];
1019 s->values[s->nb_values].p[3] = value[3];
1020 s->nb_values++;
1021
1022 if (s->scope) {
1023 if (s->draw.desc->comp[0].depth == 8) {
1024 if (s->draw.nb_planes == 1) {
1025 int i;
1026
1027 for (i = 0; i < s->nb_comps; i++)
1028 out->data[0][out->linesize[0] * y0 + x0 * s->draw.pixelstep[0] + i] = 255 * ((s->nb_values + state) & 1);
1029 } else {
1030 out->data[0][out->linesize[0] * y0 + x0] = 255 * ((s->nb_values + state) & 1);
1031 }
1032 } else {
1033 if (s->draw.nb_planes == 1) {
1034 int i;
1035
1036 for (i = 0; i < s->nb_comps; i++)
1037 AV_WN16(out->data[0] + out->linesize[0] * y0 + x0 * s->draw.pixelstep[0] + i, (s->max - 1) * ((s->nb_values + state) & 1));
1038 } else {
1039 AV_WN16(out->data[0] + out->linesize[0] * y0 + 2 * x0, (s->max - 1) * ((s->nb_values + state) & 1));
1040 }
1041 }
1042 }
1043 }
1044
1045 if (x0 == x1 && y0 == y1)
1046 break;
1047
1048 e2 = err;
1049
1050 if (e2 >-dx) {
1051 err -= dy;
1052 x0 += sx;
1053 }
1054
1055 if (e2 < dy) {
1056 err += dx;
1057 y0 += sy;
1058 }
1059 }
1060}
1061
1062static int oscilloscope_filter_frame(AVFilterLink *inlink, AVFrame *frame)
1063{
1064 FilterLink *inl = ff_filter_link(inlink);
1065 AVFilterContext *ctx = inlink->dst;
1066 OscilloscopeContext *s = ctx->priv;
1067 AVFilterLink *outlink = ctx->outputs[0];
1068 float average[4] = { 0 };
1069 int max[4] = { 0 };
1070 int min[4] = { INT_MAX, INT_MAX, INT_MAX, INT_MAX };
1071 int i, c;
1072
1073 s->nb_values = 0;
1074 draw_scope(s, s->x1, s->y1, s->x2, s->y2, frame, s->values, inl->frame_count_in & 1);
1075 ff_blend_rectangle(&s->draw, &s->dark, frame->data, frame->linesize,
1076 frame->width, frame->height,
1077 s->ox, s->oy, s->width, s->height + 20 * s->statistics);
1078
1079 if (s->grid && outlink->h >= 10) {
1080 ff_fill_rectangle(&s->draw, &s->gray, frame->data, frame->linesize,
1081 s->ox, s->oy, s->width - 1, 1);
1082
1083 for (i = 1; i < 5; i++) {
1084 ff_fill_rectangle(&s->draw, &s->gray, frame->data, frame->linesize,
1085 s->ox, s->oy + i * (s->height - 1) / 4, s->width, 1);
1086 }
1087
1088 for (i = 0; i < 10; i++) {
1089 ff_fill_rectangle(&s->draw, &s->gray, frame->data, frame->linesize,
1090 s->ox + i * (s->width - 1) / 10, s->oy, 1, s->height);
1091 }
1092
1093 ff_fill_rectangle(&s->draw, &s->gray, frame->data, frame->linesize,
1094 s->ox + s->width - 1, s->oy, 1, s->height);
1095 }
1096
1097 s->draw_trace(s, frame);
1098
1099 for (i = 0; i < s->nb_values; i++) {
1100 for (c = 0; c < s->nb_comps; c++) {
1101 if ((1 << c) & s->components) {
1102 max[c] = FFMAX(max[c], s->values[i].p[s->rgba_map[c]]);
1103 min[c] = FFMIN(min[c], s->values[i].p[s->rgba_map[c]]);
1104 average[c] += s->values[i].p[s->rgba_map[c]];
1105 }
1106 }
1107 }
1108 for (c = 0; c < s->nb_comps; c++) {
1109 average[c] /= s->nb_values;
1110 }
1111
1112 if (s->statistics && s->height > 10 && s->width > 280 * av_popcount(s->components)) {
1113 for (c = 0, i = 0; c < s->nb_comps; c++) {
1114 if ((1 << c) & s->components) {
1115 const char rgba[4] = { 'R', 'G', 'B', 'A' };
1116 const char yuva[4] = { 'Y', 'U', 'V', 'A' };
1117 char text[128];
1118
1119 snprintf(text, sizeof(text), "%c avg:%.1f min:%d max:%d\n", s->is_rgb ? rgba[c] : yuva[c], average[c], min[c], max[c]);
1120 draw_text(&s->draw, frame, &s->white, s->ox + 2 + 280 * i++, s->oy + s->height + 4, text, 0);
1121 }
1122 }
1123 }
1124
1125 return ff_filter_frame(outlink, frame);
1126}
1127
1128static int oscilloscope_process_command(AVFilterContext *ctx, const char *cmd, const char *args,
1129 char *res, int res_len, int flags)
1130{
1131 int ret;
1132
1133 ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
1134 if (ret < 0)
1135 return ret;
1136
1137 update_oscilloscope(ctx);
1138
1139 return 0;
1140}
1141
1142static const AVFilterPad oscilloscope_inputs[] = {
1143 {
1144 .name = "default",
1145 .type = AVMEDIA_TYPE_VIDEO,
1146 .flags = AVFILTERPAD_FLAG_NEEDS_WRITABLE,
1147 .filter_frame = oscilloscope_filter_frame,
1148 .config_props = oscilloscope_config_input,
1149 },
1150};
1151
1152const FFFilter ff_vf_oscilloscope = {
1153 .p.name = "oscilloscope",
1154 .p.description = NULL_IF_CONFIG_SMALL("2D Video Oscilloscope."),
1155 .p.priv_class = &oscilloscope_class,
1156 .p.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
1157 .priv_size = sizeof(OscilloscopeContext),
1158 .uninit = oscilloscope_uninit,
1159 FILTER_INPUTS(oscilloscope_inputs),
1160 FILTER_OUTPUTS(ff_video_default_filterpad),
1161 FILTER_QUERY_FUNC2(query_formats),
1162 .process_command = oscilloscope_process_command,
1163};
query_formats
static int query_formats(const AVFilterContext *ctx, AVFilterFormatsConfig **cfg_in, AVFilterFormatsConfig **cfg_out)
Definition aeval.c:246
inputs
static const AVFilterPad inputs[]
Definition af_aap.c:299
outputs
static const AVFilterPad outputs[]
Definition af_aap.c:310
config_input
static int config_input(AVFilterLink *inlink)
Definition af_acontrast.c:121
process_command
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
Definition af_acrusher.c:307
format
static const char *const format[]
Definition af_aiir.c:444
double
double
Definition af_crystalizer.c:132
ff_vf_oscilloscope
const FFFilter ff_vf_oscilloscope
Definition vf_datascope.c:1152
ff_vf_pixscope
const FFFilter ff_vf_pixscope
Definition vf_datascope.c:748
ff_vf_datascope
const FFFilter ff_vf_datascope
Definition vf_datascope.c:462
D
#define D
Definition avdct.c:35
draw
static int draw(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition avf_showcwt.c:440
ff_filter_frame
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition avfilter.c:1068
ff_filter_process_command
int ff_filter_process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Generic processing of user supplied commands that are set in the same way as the filter options.
Definition avfilter.c:906
ff_filter_execute
int ff_filter_execute(AVFilterContext *ctx, avfilter_action_func *func, void *arg, int *ret, int nb_jobs)
Definition avfilter.c:1696
ff_filter_get_nb_threads
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition avfilter.c:846
avfilter.h
Main libavfilter public API header.
Y
#define Y
Definition boxblur.h:37
flags
#define flags(name, subs,...)
Definition cbs_h264.c:74
i
#define i(width, name, range_min, range_max)
Definition cbs_h264.c:63
s
#define s(width, name)
Definition cbs_vp9.c:198
FLAGS
#define FLAGS
Definition cmdutils.c:598
av_popcount
#define av_popcount
Definition common.h:154
FFABS
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
Definition common.h:74
NULL
#define NULL
Definition coverity.c:32
reverse
static uint64_t reverse(uint64_t p, unsigned int deg)
Definition crc_internal.h:26
min
#define min(a, b)
Definition cuda_runtime.h:34
max
#define max(a, b)
Definition cuda_runtime.h:33
frame
static AVFrame * frame
Definition demux_decode.c:54
filter_frame
static int filter_frame(DBEDecodeContext *s, AVFrame *frame)
Definition dolby_e.c:1067
ff_blend_rectangle
void ff_blend_rectangle(FFDrawContext *draw, FFDrawColor *color, uint8_t *dst[], int dst_linesize[], int dst_w, int dst_h, int x0, int y0, int w, int h)
Blend a rectangle with an uniform color.
Definition drawutils.c:378
ff_draw_init
int ff_draw_init(FFDrawContext *draw, enum AVPixelFormat format, unsigned flags)
Definition drawutils.c:174
ff_draw_color
void ff_draw_color(FFDrawContext *draw, FFDrawColor *color, const uint8_t rgba[4])
Prepare a color.
Definition drawutils.c:179
ff_fill_rgba_map
int ff_fill_rgba_map(uint8_t *rgba_map, enum AVPixelFormat pix_fmt)
Definition drawutils.c:80
ff_draw_supported_pixel_formats
AVFilterFormats * ff_draw_supported_pixel_formats(unsigned flags)
Return the list of pixel formats supported by the draw functions.
Definition drawutils.c:670
ff_fill_rectangle
void ff_fill_rectangle(FFDrawContext *draw, FFDrawColor *color, uint8_t *dst[], int dst_linesize[], int dst_x, int dst_y, int w, int h)
Fill a rectangle with an uniform color.
Definition drawutils.c:258
ff_draw_init_from_link
int ff_draw_init_from_link(FFDrawContext *draw, const AVFilterLink *link, unsigned flags)
Init a draw context, taking the format, colorspace and range from the given filter link.
Definition drawutils.c:168
ff_blend_mask
void ff_blend_mask(FFDrawContext *draw, FFDrawColor *color, uint8_t *dst[], int dst_linesize[], int dst_w, int dst_h, const uint8_t *mask, int mask_linesize, int mask_w, int mask_h, int l2depth, unsigned endianness, int x0, int y0)
Blend an alpha mask with an uniform color.
Definition drawutils.c:557
drawutils.h
misc drawing utilities
value
double value
Definition eval.c:102
state
static struct @346255127015250356166251341105367306144006377143 state
X
#define X
Definition f_ebur128.c:157
ff_set_common_formats2
int ff_set_common_formats2(const AVFilterContext *ctx, AVFilterFormatsConfig **cfg_in, AVFilterFormatsConfig **cfg_out, AVFilterFormats *formats)
Definition formats.c:1137
AV_OPT_TYPE_IMAGE_SIZE
@ AV_OPT_TYPE_IMAGE_SIZE
Underlying C type is two consecutive integers.
Definition opt.h:302
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Special option type for declaring named constants.
Definition opt.h:298
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Underlying C type is int.
Definition opt.h:258
AV_OPT_TYPE_FLOAT
@ AV_OPT_TYPE_FLOAT
Underlying C type is float.
Definition opt.h:270
AV_OPT_TYPE_BOOL
@ AV_OPT_TYPE_BOOL
Underlying C type is int.
Definition opt.h:326
AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
Definition avfilter.h:196
AVFILTER_FLAG_SLICE_THREADS
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition avfilter.h:166
AVERROR
#define AVERROR(e)
Definition error.h:45
av_frame_free
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition frame.c:64
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:599
av_frame_copy
int av_frame_copy(AVFrame *dst, const AVFrame *src)
Copy the frame data from src to dst.
Definition frame.c:711
AV_LOG_WARNING
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition log.h:216
AV_LOG_ERROR
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition log.h:210
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition avutil.h:200
alpha
static const int16_t alpha[]
Definition ilbcdata.h:55
AV_RL16
#define AV_RL16(p)
Definition intreadwrite.h:405
AV_WN16
#define AV_WN16(p, v)
Definition intreadwrite.h:368
W
#define W(a, i, v)
Definition jpegls.h:119
uninit
static av_cold void uninit(AVBitStreamFilterContext *ctx)
Definition lcevc_merge.c:135
config_output
static int config_output(AVBitStreamFilterLink *outlink)
Definition lcevc_merge.c:111
C
#define C
arg
const char * arg
Definition jacosubdec.c:65
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition filters.h:264
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition filters.h:265
ff_slice_pos
static int ff_slice_pos(int total, int jobnr, int nb_jobs)
Compute the boundary index for a slice when work of size total is split into nb_jobs slices.
Definition filters.h:763
AVFILTERPAD_FLAG_NEEDS_WRITABLE
#define AVFILTERPAD_FLAG_NEEDS_WRITABLE
The filter expects writable frames from its input link, duplicating data buffers if needed.
Definition filters.h:59
ff_filter_link
static FilterLink * ff_filter_link(AVFilterLink *link)
Definition filters.h:199
AVFILTER_DEFINE_CLASS
#define AVFILTER_DEFINE_CLASS(fname)
Definition filters.h:478
FILTER_QUERY_FUNC2
#define FILTER_QUERY_FUNC2(func)
Definition filters.h:241
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:88
hypot
static av_const double hypot(double x, double y)
Definition libm.h:368
w
uint8_t w
Definition llvidencdsp.c:39
FFMIN
#define FFMIN(a, b)
Definition macros.h:49
FFMAX
#define FFMAX(a, b)
Definition macros.h:47
M_PI
#define M_PI
Definition mathematics.h:67
av_calloc
void * av_calloc(size_t nmemb, size_t size)
Definition mem.c:264
mem.h
Memory handling functions.
slice_end
static int slice_end(AVCodecContext *avctx, AVFrame *pict, int *got_output)
Handle slice ends.
Definition mpeg12dec.c:1697
P
#define P
opt.h
AVOptions.
av_pix_fmt_count_planes
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Definition pixdesc.c:3500
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:136
H
#define H
Definition pixlet.c:39
snprintf
#define snprintf
Definition snprintf.h:34
AVClass
Describe the class of an AVClass context structure.
Definition log.h:76
AVFilterContext
An instance of a filter.
Definition avfilter.h:273
AVFilterContext::priv
void * priv
private data for use by the filter
Definition avfilter.h:288
AVFilterFormatsConfig
Lists of formats / etc.
Definition avfilter.h:120
AVFilterPad
A filter pad used for either input or output.
Definition filters.h:40
AVFrame
This structure describes decoded (raw) audio or video data.
Definition frame.h:472
AVFrame::data
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition frame.h:493
AVFrame::width
int width
Definition frame.h:544
AVFrame::height
int height
Definition frame.h:544
AVFrame::linesize
int linesize[AV_NUM_DATA_POINTERS]
For video, a positive or negative value, which is typically indicating the size in bytes of each pict...
Definition frame.h:517
AVOption
AVOption.
Definition opt.h:428
AVRational
Rational number (pair of numerator and denominator).
Definition rational.h:58
DatascopeContext::pick_color
void(* pick_color)(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value)
Definition vf_datascope.c:51
DatascopeContext::yellow
FFDrawColor yellow
Definition vf_datascope.c:46
DatascopeContext::reverse_color
void(* reverse_color)(FFDrawContext *draw, FFDrawColor *color, FFDrawColor *reverse)
Definition vf_datascope.c:52
DatascopeContext::draw
FFDrawContext draw
Definition vf_datascope.c:45
DatascopeContext::white
FFDrawColor white
Definition vf_datascope.c:47
DatascopeContext::black
FFDrawColor black
Definition vf_datascope.c:48
DatascopeContext::filter
int(* filter)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition vf_datascope.c:53
DatascopeContext::gray
FFDrawColor gray
Definition vf_datascope.c:49
OscilloscopeContext::colors
FFDrawColor * colors[4]
Definition vf_datascope.c:797
OscilloscopeContext::pick_color
void(* pick_color)(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value)
Definition vf_datascope.c:802
OscilloscopeContext::values
PixelValues * values
Definition vf_datascope.c:800
OscilloscopeContext::draw_trace
void(* draw_trace)(struct OscilloscopeContext *s, AVFrame *frame)
Definition vf_datascope.c:803
OscilloscopeContext::draw
FFDrawContext draw
Definition vf_datascope.c:787
PixelValues::p
uint16_t p[4]
Definition vf_datascope.c:761
PixscopeContext::black
FFDrawColor black
Definition vf_datascope.c:491
PixscopeContext::values
uint16_t values[4][80][80]
Definition vf_datascope.c:498
PixscopeContext::rgba_map
uint8_t rgba_map[4]
Definition vf_datascope.c:488
PixscopeContext::green
FFDrawColor green
Definition vf_datascope.c:493
PixscopeContext::dark
FFDrawColor dark
Definition vf_datascope.c:490
PixscopeContext::colors
FFDrawColor * colors[4]
Definition vf_datascope.c:496
PixscopeContext::white
FFDrawColor white
Definition vf_datascope.c:492
PixscopeContext::pick_color
void(* pick_color)(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value)
Definition vf_datascope.c:500
PixscopeContext::blue
FFDrawColor blue
Definition vf_datascope.c:494
PixscopeContext::red
FFDrawColor red
Definition vf_datascope.c:495
PixscopeContext::draw
FFDrawContext draw
Definition vf_datascope.c:489
ThreadData
Used for passing data between threads.
Definition dsddec.c:71
ThreadData::out
AVFrame * out
Definition af_adeclick.c:532
mode
Definition swscale.c:71
av_freep
#define av_freep(p)
Definition tableprint_vlc.h:35
av_log
#define av_log(a,...)
Definition tableprint_vlc.h:27
out
static FILE * out
Definition movenc.c:55
ctx
static AVFormatContext * ctx
Definition movenc.c:49
height
#define height
Definition dsp.h:89
width
#define width
Definition dsp.h:89
size
int size
Definition twinvq_data.h:10344
filter_mono
static int filter_mono(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition vf_datascope.c:270
datascope_options
static const AVOption datascope_options[]
Definition vf_datascope.c:60
FLAGSR
#define FLAGSR
Definition vf_datascope.c:58
filter_color
static int filter_color(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition vf_datascope.c:227
draw_trace8
static void draw_trace8(OscilloscopeContext *s, AVFrame *frame)
Definition vf_datascope.c:882
draw_trace16
static void draw_trace16(OscilloscopeContext *s, AVFrame *frame)
Definition vf_datascope.c:901
draw_text
static void draw_text(FFDrawContext *draw, AVFrame *frame, FFDrawColor *color, int x0, int y0, const uint8_t *text, int vertical)
Definition vf_datascope.c:88
oscilloscope_options
static const AVOption oscilloscope_options[]
Definition vf_datascope.c:808
pixscope_filter_frame
static int pixscope_filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition vf_datascope.c:582
oscilloscope_uninit
static void oscilloscope_uninit(AVFilterContext *ctx)
Definition vf_datascope.c:827
config_input
static int config_input(AVFilterLink *inlink)
Definition vf_datascope.c:384
pixscope_options
static const AVOption pixscope_options[]
Definition vf_datascope.c:505
draw_scope
static void draw_scope(OscilloscopeContext *s, int x0, int y0, int x1, int y1, AVFrame *out, PixelValues *p, int state)
Definition vf_datascope.c:1003
oscilloscope_process_command
static int oscilloscope_process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
Definition vf_datascope.c:1128
pick_color16
static void pick_color16(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value)
Definition vf_datascope.c:130
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition vf_datascope.c:312
POFFSET
#define POFFSET(x)
Definition vf_datascope.c:503
pixscope_process_command
static int pixscope_process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
Definition vf_datascope.c:727
SQR
#define SQR(x)
Definition vf_datascope.c:580
query_formats
static int query_formats(const AVFilterContext *ctx, AVFilterFormatsConfig **cfg_in, AVFilterFormatsConfig **cfg_out)
Definition vf_datascope.c:80
OOFFSET
#define OOFFSET(x)
Definition vf_datascope.c:806
oscilloscope_filter_frame
static int oscilloscope_filter_frame(AVFilterLink *inlink, AVFrame *frame)
Definition vf_datascope.c:1062
reverse_color8
static void reverse_color8(FFDrawContext *draw, FFDrawColor *color, FFDrawColor *reverse)
Definition vf_datascope.c:148
process_command
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
Definition vf_datascope.c:433
filter_color2
static int filter_color2(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition vf_datascope.c:180
oscilloscope_inputs
static const AVFilterPad oscilloscope_inputs[]
Definition vf_datascope.c:1142
reverse_color16
static void reverse_color16(FFDrawContext *draw, FFDrawColor *color, FFDrawColor *reverse)
Definition vf_datascope.c:160
pixscope_config_input
static int pixscope_config_input(AVFilterLink *inlink)
Definition vf_datascope.c:518
OFFSET
#define OFFSET(x)
Definition vf_datascope.c:56
config_output
static int config_output(AVFilterLink *outlink)
Definition vf_datascope.c:422
draw_line
static void draw_line(FFDrawContext *draw, int x0, int y0, int x1, int y1, AVFrame *out, FFDrawColor *color)
Definition vf_datascope.c:834
update_oscilloscope
static void update_oscilloscope(AVFilterContext *ctx)
Definition vf_datascope.c:919
pixscope_inputs
static const AVFilterPad pixscope_inputs[]
Definition vf_datascope.c:739
oscilloscope_config_input
static int oscilloscope_config_input(AVFilterLink *inlink)
Definition vf_datascope.c:942
pick_color8
static void pick_color8(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value)
Definition vf_datascope.c:112
ff_video_default_filterpad
const AVFilterPad ff_video_default_filterpad[1]
An AVFilterPad array whose only entry has name "default" and is of type AVMEDIA_TYPE_VIDEO.
Definition video.c:37
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:89
h
h
Definition vp9dsp_template.c:2070
c
static double c[64]
Definition vsrc_mptestsrc.c:89
slice_start
static int slice_start(SliceContext *sc, VVCContext *s, VVCFrameContext *fc, const CodedBitstreamUnit *unit, const int is_first_slice)
Definition dec.c:844
avpriv_cga_font_get
const uint8_t * avpriv_cga_font_get(void)
Definition xga_font_data.c:160
cga_font
static const uint8_t cga_font[2048]
Definition xga_font_data.c:29
xga_font_data.h
CGA/EGA/VGA ROM font data.
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