FFmpeg  4.4.6
vsrc_testsrc.c
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1 /*
2  * Copyright (c) 2007 Nicolas George <nicolas.george@normalesup.org>
3  * Copyright (c) 2011 Stefano Sabatini
4  * Copyright (c) 2012 Paul B Mahol
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 /**
24  * @file
25  * Misc test sources.
26  *
27  * testsrc is based on the test pattern generator demuxer by Nicolas George:
28  * http://lists.ffmpeg.org/pipermail/ffmpeg-devel/2007-October/037845.html
29  *
30  * rgbtestsrc is ported from MPlayer libmpcodecs/vf_rgbtest.c by
31  * Michael Niedermayer.
32  *
33  * allyuv, smptebars and smptehdbars are by Paul B Mahol.
34  */
35 
36 #include <float.h>
37 
38 #include "libavutil/avassert.h"
39 #include "libavutil/common.h"
40 #include "libavutil/ffmath.h"
41 #include "libavutil/opt.h"
42 #include "libavutil/imgutils.h"
43 #include "libavutil/intreadwrite.h"
44 #include "libavutil/parseutils.h"
46 #include "avfilter.h"
47 #include "drawutils.h"
48 #include "filters.h"
49 #include "formats.h"
50 #include "internal.h"
51 #include "video.h"
52 
53 typedef struct TestSourceContext {
54  const AVClass *class;
55  int w, h;
56  unsigned int nb_frame;
59  int64_t duration; ///< duration expressed in microseconds
60  AVRational sar; ///< sample aspect ratio
61  int draw_once; ///< draw only the first frame, always put out the same picture
62  int draw_once_reset; ///< draw only the first frame or in case of reset
63  AVFrame *picref; ///< cached reference containing the painted picture
64 
66 
67  /* only used by testsrc */
69 
70  /* only used by testsrc2 */
71  int alpha;
72 
73  /* only used by color */
77 
78  /* only used by rgbtest */
81  int depth;
82 
83  /* only used by haldclut */
84  int level;
86 
87 #define OFFSET(x) offsetof(TestSourceContext, x)
88 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
89 #define FLAGSR AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
90 
91 #define SIZE_OPTIONS \
92  { "size", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },\
93  { "s", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },\
94 
95 #define COMMON_OPTIONS_NOSIZE \
96  { "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, FLAGS },\
97  { "r", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, FLAGS },\
98  { "duration", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS },\
99  { "d", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS },\
100  { "sar", "set video sample aspect ratio", OFFSET(sar), AV_OPT_TYPE_RATIONAL, {.dbl= 1}, 0, INT_MAX, FLAGS },
101 
102 #define COMMON_OPTIONS SIZE_OPTIONS COMMON_OPTIONS_NOSIZE
103 
104 #define NOSIZE_OPTIONS_OFFSET 2
105 /* Filters using COMMON_OPTIONS_NOSIZE also use the following options
106  * via &options[NOSIZE_OPTIONS_OFFSET]. So don't break it. */
107 static const AVOption options[] = {
109  { NULL }
110 };
111 
113 {
114  TestSourceContext *test = ctx->priv;
115 
116  test->time_base = av_inv_q(test->frame_rate);
117  test->nb_frame = 0;
118  test->pts = 0;
119 
120  av_log(ctx, AV_LOG_VERBOSE, "size:%dx%d rate:%d/%d duration:%f sar:%d/%d\n",
121  test->w, test->h, test->frame_rate.num, test->frame_rate.den,
122  test->duration < 0 ? -1 : (double)test->duration/1000000,
123  test->sar.num, test->sar.den);
124  return 0;
125 }
126 
128 {
129  TestSourceContext *test = ctx->priv;
130 
131  av_frame_free(&test->picref);
132 }
133 
134 static int config_props(AVFilterLink *outlink)
135 {
136  TestSourceContext *test = outlink->src->priv;
137 
138  outlink->w = test->w;
139  outlink->h = test->h;
140  outlink->sample_aspect_ratio = test->sar;
141  outlink->frame_rate = test->frame_rate;
142  outlink->time_base = test->time_base;
143 
144  return 0;
145 }
146 
148 {
149  AVFilterLink *outlink = ctx->outputs[0];
150  TestSourceContext *test = ctx->priv;
151  AVFrame *frame;
152 
153  if (!ff_outlink_frame_wanted(outlink))
154  return FFERROR_NOT_READY;
155  if (test->duration >= 0 &&
156  av_rescale_q(test->pts, test->time_base, AV_TIME_BASE_Q) >= test->duration) {
157  ff_outlink_set_status(outlink, AVERROR_EOF, test->pts);
158  return 0;
159  }
160 
161  if (test->draw_once) {
162  if (test->draw_once_reset) {
163  av_frame_free(&test->picref);
164  test->draw_once_reset = 0;
165  }
166  if (!test->picref) {
167  test->picref =
168  ff_get_video_buffer(outlink, test->w, test->h);
169  if (!test->picref)
170  return AVERROR(ENOMEM);
171  test->fill_picture_fn(outlink->src, test->picref);
172  }
173  frame = av_frame_clone(test->picref);
174  } else
175  frame = ff_get_video_buffer(outlink, test->w, test->h);
176 
177  if (!frame)
178  return AVERROR(ENOMEM);
179  frame->pts = test->pts;
180  frame->key_frame = 1;
181  frame->interlaced_frame = 0;
184  if (!test->draw_once)
185  test->fill_picture_fn(outlink->src, frame);
186 
187  test->pts++;
188  test->nb_frame++;
189 
190  return ff_filter_frame(outlink, frame);
191 }
192 
193 #if CONFIG_COLOR_FILTER
194 
195 static const AVOption color_options[] = {
196  { "color", "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, 0, 0, FLAGSR },
197  { "c", "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, 0, 0, FLAGSR },
199  { NULL }
200 };
201 
203 
204 static void color_fill_picture(AVFilterContext *ctx, AVFrame *picref)
205 {
206  TestSourceContext *test = ctx->priv;
207  ff_fill_rectangle(&test->draw, &test->color,
208  picref->data, picref->linesize,
209  0, 0, test->w, test->h);
210 }
211 
212 static av_cold int color_init(AVFilterContext *ctx)
213 {
214  TestSourceContext *test = ctx->priv;
215  test->fill_picture_fn = color_fill_picture;
216  test->draw_once = 1;
217  return init(ctx);
218 }
219 
220 static int color_query_formats(AVFilterContext *ctx)
221 {
223 }
224 
225 static int color_config_props(AVFilterLink *inlink)
226 {
227  AVFilterContext *ctx = inlink->src;
228  TestSourceContext *test = ctx->priv;
229  int ret;
230 
231  ff_draw_init(&test->draw, inlink->format, 0);
232  ff_draw_color(&test->draw, &test->color, test->color_rgba);
233 
234  test->w = ff_draw_round_to_sub(&test->draw, 0, -1, test->w);
235  test->h = ff_draw_round_to_sub(&test->draw, 1, -1, test->h);
236  if (av_image_check_size(test->w, test->h, 0, ctx) < 0)
237  return AVERROR(EINVAL);
238 
239  if ((ret = config_props(inlink)) < 0)
240  return ret;
241 
242  return 0;
243 }
244 
245 static int color_process_command(AVFilterContext *ctx, const char *cmd, const char *args,
246  char *res, int res_len, int flags)
247 {
248  TestSourceContext *test = ctx->priv;
249  int ret;
250 
251  ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
252  if (ret < 0)
253  return ret;
254 
255  ff_draw_color(&test->draw, &test->color, test->color_rgba);
256  test->draw_once_reset = 1;
257  return 0;
258 }
259 
260 static const AVFilterPad color_outputs[] = {
261  {
262  .name = "default",
263  .type = AVMEDIA_TYPE_VIDEO,
264  .config_props = color_config_props,
265  },
266  { NULL }
267 };
268 
270  .name = "color",
271  .description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input."),
272  .priv_class = &color_class,
273  .priv_size = sizeof(TestSourceContext),
274  .init = color_init,
275  .uninit = uninit,
276  .activate = activate,
277  .query_formats = color_query_formats,
278  .inputs = NULL,
279  .outputs = color_outputs,
280  .process_command = color_process_command,
281 };
282 
283 #endif /* CONFIG_COLOR_FILTER */
284 
285 #if CONFIG_HALDCLUTSRC_FILTER
286 
287 static const AVOption haldclutsrc_options[] = {
288  { "level", "set level", OFFSET(level), AV_OPT_TYPE_INT, {.i64 = 6}, 2, 16, FLAGS },
290  { NULL }
291 };
292 
293 AVFILTER_DEFINE_CLASS(haldclutsrc);
294 
295 static void haldclutsrc_fill_picture(AVFilterContext *ctx, AVFrame *frame)
296 {
297  int i, j, k, x = 0, y = 0, is16bit = 0, step;
298  uint32_t alpha = 0;
299  const TestSourceContext *hc = ctx->priv;
300  int level = hc->level;
301  float scale;
302  const int w = frame->width;
303  const int h = frame->height;
304  const uint8_t *data = frame->data[0];
305  const int linesize = frame->linesize[0];
307  uint8_t rgba_map[4];
308 
309  av_assert0(w == h && w == level*level*level);
310 
311  ff_fill_rgba_map(rgba_map, frame->format);
312 
313  switch (frame->format) {
314  case AV_PIX_FMT_RGB48:
315  case AV_PIX_FMT_BGR48:
316  case AV_PIX_FMT_RGBA64:
317  case AV_PIX_FMT_BGRA64:
318  is16bit = 1;
319  alpha = 0xffff;
320  break;
321  case AV_PIX_FMT_RGBA:
322  case AV_PIX_FMT_BGRA:
323  case AV_PIX_FMT_ARGB:
324  case AV_PIX_FMT_ABGR:
325  alpha = 0xff;
326  break;
327  }
328 
329  step = av_get_padded_bits_per_pixel(desc) >> (3 + is16bit);
330  scale = ((float)(1 << (8*(is16bit+1))) - 1) / (level*level - 1);
331 
332 #define LOAD_CLUT(nbits) do { \
333  uint##nbits##_t *dst = ((uint##nbits##_t *)(data + y*linesize)) + x*step; \
334  dst[rgba_map[0]] = av_clip_uint##nbits(i * scale); \
335  dst[rgba_map[1]] = av_clip_uint##nbits(j * scale); \
336  dst[rgba_map[2]] = av_clip_uint##nbits(k * scale); \
337  if (step == 4) \
338  dst[rgba_map[3]] = alpha; \
339 } while (0)
340 
341  level *= level;
342  for (k = 0; k < level; k++) {
343  for (j = 0; j < level; j++) {
344  for (i = 0; i < level; i++) {
345  if (!is16bit)
346  LOAD_CLUT(8);
347  else
348  LOAD_CLUT(16);
349  if (++x == w) {
350  x = 0;
351  y++;
352  }
353  }
354  }
355  }
356 }
357 
358 static av_cold int haldclutsrc_init(AVFilterContext *ctx)
359 {
360  TestSourceContext *hc = ctx->priv;
361  hc->fill_picture_fn = haldclutsrc_fill_picture;
362  hc->draw_once = 1;
363  return init(ctx);
364 }
365 
366 static int haldclutsrc_query_formats(AVFilterContext *ctx)
367 {
368  static const enum AVPixelFormat pix_fmts[] = {
377  };
378 
380  if (!fmts_list)
381  return AVERROR(ENOMEM);
382  return ff_set_common_formats(ctx, fmts_list);
383 }
384 
385 static int haldclutsrc_config_props(AVFilterLink *outlink)
386 {
387  AVFilterContext *ctx = outlink->src;
388  TestSourceContext *hc = ctx->priv;
389 
390  hc->w = hc->h = hc->level * hc->level * hc->level;
391  return config_props(outlink);
392 }
393 
394 static const AVFilterPad haldclutsrc_outputs[] = {
395  {
396  .name = "default",
397  .type = AVMEDIA_TYPE_VIDEO,
398  .config_props = haldclutsrc_config_props,
399  },
400  { NULL }
401 };
402 
404  .name = "haldclutsrc",
405  .description = NULL_IF_CONFIG_SMALL("Provide an identity Hald CLUT."),
406  .priv_class = &haldclutsrc_class,
407  .priv_size = sizeof(TestSourceContext),
408  .init = haldclutsrc_init,
409  .uninit = uninit,
410  .query_formats = haldclutsrc_query_formats,
411  .activate = activate,
412  .inputs = NULL,
413  .outputs = haldclutsrc_outputs,
414 };
415 #endif /* CONFIG_HALDCLUTSRC_FILTER */
416 
417 #if CONFIG_NULLSRC_FILTER
418 
419 #define nullsrc_options options
420 AVFILTER_DEFINE_CLASS(nullsrc);
421 
422 static void nullsrc_fill_picture(AVFilterContext *ctx, AVFrame *picref) { }
423 
424 static av_cold int nullsrc_init(AVFilterContext *ctx)
425 {
426  TestSourceContext *test = ctx->priv;
427 
428  test->fill_picture_fn = nullsrc_fill_picture;
429  return init(ctx);
430 }
431 
432 static const AVFilterPad nullsrc_outputs[] = {
433  {
434  .name = "default",
435  .type = AVMEDIA_TYPE_VIDEO,
436  .config_props = config_props,
437  },
438  { NULL },
439 };
440 
442  .name = "nullsrc",
443  .description = NULL_IF_CONFIG_SMALL("Null video source, return unprocessed video frames."),
444  .init = nullsrc_init,
445  .uninit = uninit,
446  .activate = activate,
447  .priv_size = sizeof(TestSourceContext),
448  .priv_class = &nullsrc_class,
449  .inputs = NULL,
450  .outputs = nullsrc_outputs,
451 };
452 
453 #endif /* CONFIG_NULLSRC_FILTER */
454 
455 #if CONFIG_TESTSRC_FILTER
456 
457 static const AVOption testsrc_options[] = {
459  { "decimals", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0}, 0, 17, FLAGS },
460  { "n", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0}, 0, 17, FLAGS },
461  { NULL }
462 };
463 
464 AVFILTER_DEFINE_CLASS(testsrc);
465 
466 /**
467  * Fill a rectangle with value val.
468  *
469  * @param val the RGB value to set
470  * @param dst pointer to the destination buffer to fill
471  * @param dst_linesize linesize of destination
472  * @param segment_width width of the segment
473  * @param x horizontal coordinate where to draw the rectangle in the destination buffer
474  * @param y horizontal coordinate where to draw the rectangle in the destination buffer
475  * @param w width of the rectangle to draw, expressed as a number of segment_width units
476  * @param h height of the rectangle to draw, expressed as a number of segment_width units
477  */
478 static void draw_rectangle(unsigned val, uint8_t *dst, int dst_linesize, int segment_width,
479  int x, int y, int w, int h)
480 {
481  int i;
482  int step = 3;
483 
484  dst += segment_width * (step * x + y * dst_linesize);
485  w *= segment_width * step;
486  h *= segment_width;
487  for (i = 0; i < h; i++) {
488  memset(dst, val, w);
489  dst += dst_linesize;
490  }
491 }
492 
493 static void draw_digit(int digit, uint8_t *dst, int dst_linesize,
494  int segment_width)
495 {
496 #define TOP_HBAR 1
497 #define MID_HBAR 2
498 #define BOT_HBAR 4
499 #define LEFT_TOP_VBAR 8
500 #define LEFT_BOT_VBAR 16
501 #define RIGHT_TOP_VBAR 32
502 #define RIGHT_BOT_VBAR 64
503  struct segments {
504  int x, y, w, h;
505  } segments[] = {
506  { 1, 0, 5, 1 }, /* TOP_HBAR */
507  { 1, 6, 5, 1 }, /* MID_HBAR */
508  { 1, 12, 5, 1 }, /* BOT_HBAR */
509  { 0, 1, 1, 5 }, /* LEFT_TOP_VBAR */
510  { 0, 7, 1, 5 }, /* LEFT_BOT_VBAR */
511  { 6, 1, 1, 5 }, /* RIGHT_TOP_VBAR */
512  { 6, 7, 1, 5 } /* RIGHT_BOT_VBAR */
513  };
514  static const unsigned char masks[10] = {
515  /* 0 */ TOP_HBAR |BOT_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
516  /* 1 */ RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
517  /* 2 */ TOP_HBAR|MID_HBAR|BOT_HBAR|LEFT_BOT_VBAR |RIGHT_TOP_VBAR,
518  /* 3 */ TOP_HBAR|MID_HBAR|BOT_HBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
519  /* 4 */ MID_HBAR |LEFT_TOP_VBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
520  /* 5 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR |RIGHT_BOT_VBAR,
521  /* 6 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR |RIGHT_BOT_VBAR,
522  /* 7 */ TOP_HBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
523  /* 8 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
524  /* 9 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
525  };
526  unsigned mask = masks[digit];
527  int i;
528 
529  draw_rectangle(0, dst, dst_linesize, segment_width, 0, 0, 8, 13);
530  for (i = 0; i < FF_ARRAY_ELEMS(segments); i++)
531  if (mask & (1<<i))
532  draw_rectangle(255, dst, dst_linesize, segment_width,
533  segments[i].x, segments[i].y, segments[i].w, segments[i].h);
534 }
535 
536 #define GRADIENT_SIZE (6 * 256)
537 
538 static void test_fill_picture(AVFilterContext *ctx, AVFrame *frame)
539 {
540  TestSourceContext *test = ctx->priv;
541  uint8_t *p, *p0;
542  int x, y;
543  int color, color_rest;
544  int icolor;
545  int radius;
546  int quad0, quad;
547  int dquad_x, dquad_y;
548  int grad, dgrad, rgrad, drgrad;
549  int seg_size;
550  int second;
551  int i;
552  uint8_t *data = frame->data[0];
553  int width = frame->width;
554  int height = frame->height;
555 
556  /* draw colored bars and circle */
557  radius = (width + height) / 4;
558  quad0 = width * width / 4 + height * height / 4 - radius * radius;
559  dquad_y = 1 - height;
560  p0 = data;
561  for (y = 0; y < height; y++) {
562  p = p0;
563  color = 0;
564  color_rest = 0;
565  quad = quad0;
566  dquad_x = 1 - width;
567  for (x = 0; x < width; x++) {
568  icolor = color;
569  if (quad < 0)
570  icolor ^= 7;
571  quad += dquad_x;
572  dquad_x += 2;
573  *(p++) = icolor & 1 ? 255 : 0;
574  *(p++) = icolor & 2 ? 255 : 0;
575  *(p++) = icolor & 4 ? 255 : 0;
576  color_rest += 8;
577  if (color_rest >= width) {
578  color_rest -= width;
579  color++;
580  }
581  }
582  quad0 += dquad_y;
583  dquad_y += 2;
584  p0 += frame->linesize[0];
585  }
586 
587  /* draw sliding color line */
588  p0 = p = data + frame->linesize[0] * (height * 3/4);
589  grad = (256 * test->nb_frame * test->time_base.num / test->time_base.den) %
590  GRADIENT_SIZE;
591  rgrad = 0;
592  dgrad = GRADIENT_SIZE / width;
593  drgrad = GRADIENT_SIZE % width;
594  for (x = 0; x < width; x++) {
595  *(p++) =
596  grad < 256 || grad >= 5 * 256 ? 255 :
597  grad >= 2 * 256 && grad < 4 * 256 ? 0 :
598  grad < 2 * 256 ? 2 * 256 - 1 - grad : grad - 4 * 256;
599  *(p++) =
600  grad >= 4 * 256 ? 0 :
601  grad >= 1 * 256 && grad < 3 * 256 ? 255 :
602  grad < 1 * 256 ? grad : 4 * 256 - 1 - grad;
603  *(p++) =
604  grad < 2 * 256 ? 0 :
605  grad >= 3 * 256 && grad < 5 * 256 ? 255 :
606  grad < 3 * 256 ? grad - 2 * 256 : 6 * 256 - 1 - grad;
607  grad += dgrad;
608  rgrad += drgrad;
609  if (rgrad >= GRADIENT_SIZE) {
610  grad++;
611  rgrad -= GRADIENT_SIZE;
612  }
613  if (grad >= GRADIENT_SIZE)
614  grad -= GRADIENT_SIZE;
615  }
616  p = p0;
617  for (y = height / 8; y > 0; y--) {
618  memcpy(p+frame->linesize[0], p, 3 * width);
619  p += frame->linesize[0];
620  }
621 
622  /* draw digits */
623  seg_size = width / 80;
624  if (seg_size >= 1 && height >= 13 * seg_size) {
625  int64_t p10decimals = 1;
626  double time = av_q2d(test->time_base) * test->nb_frame *
627  ff_exp10(test->nb_decimals);
628  if (time >= INT_MAX)
629  return;
630 
631  for (x = 0; x < test->nb_decimals; x++)
632  p10decimals *= 10;
633 
634  second = av_rescale_rnd(test->nb_frame * test->time_base.num, p10decimals, test->time_base.den, AV_ROUND_ZERO);
635  x = width - (width - seg_size * 64) / 2;
636  y = (height - seg_size * 13) / 2;
637  p = data + (x*3 + y * frame->linesize[0]);
638  for (i = 0; i < 8; i++) {
639  p -= 3 * 8 * seg_size;
640  draw_digit(second % 10, p, frame->linesize[0], seg_size);
641  second /= 10;
642  if (second == 0)
643  break;
644  }
645  }
646 }
647 
648 static av_cold int test_init(AVFilterContext *ctx)
649 {
650  TestSourceContext *test = ctx->priv;
651 
652  test->fill_picture_fn = test_fill_picture;
653  return init(ctx);
654 }
655 
656 static int test_query_formats(AVFilterContext *ctx)
657 {
658  static const enum AVPixelFormat pix_fmts[] = {
660  };
661 
663  if (!fmts_list)
664  return AVERROR(ENOMEM);
665  return ff_set_common_formats(ctx, fmts_list);
666 }
667 
668 static const AVFilterPad avfilter_vsrc_testsrc_outputs[] = {
669  {
670  .name = "default",
671  .type = AVMEDIA_TYPE_VIDEO,
672  .config_props = config_props,
673  },
674  { NULL }
675 };
676 
678  .name = "testsrc",
679  .description = NULL_IF_CONFIG_SMALL("Generate test pattern."),
680  .priv_size = sizeof(TestSourceContext),
681  .priv_class = &testsrc_class,
682  .init = test_init,
683  .uninit = uninit,
684  .query_formats = test_query_formats,
685  .activate = activate,
686  .inputs = NULL,
687  .outputs = avfilter_vsrc_testsrc_outputs,
688 };
689 
690 #endif /* CONFIG_TESTSRC_FILTER */
691 
692 #if CONFIG_TESTSRC2_FILTER
693 
694 static const AVOption testsrc2_options[] = {
696  { "alpha", "set global alpha (opacity)", OFFSET(alpha), AV_OPT_TYPE_INT, {.i64 = 255}, 0, 255, FLAGS },
697  { NULL }
698 };
699 
700 AVFILTER_DEFINE_CLASS(testsrc2);
701 
702 static void set_color(TestSourceContext *s, FFDrawColor *color, uint32_t argb)
703 {
704  uint8_t rgba[4] = { (argb >> 16) & 0xFF,
705  (argb >> 8) & 0xFF,
706  (argb >> 0) & 0xFF,
707  (argb >> 24) & 0xFF, };
708  ff_draw_color(&s->draw, color, rgba);
709 }
710 
711 static uint32_t color_gradient(unsigned index)
712 {
713  unsigned si = index & 0xFF, sd = 0xFF - si;
714  switch (index >> 8) {
715  case 0: return 0xFF0000 + (si << 8);
716  case 1: return 0x00FF00 + (sd << 16);
717  case 2: return 0x00FF00 + (si << 0);
718  case 3: return 0x0000FF + (sd << 8);
719  case 4: return 0x0000FF + (si << 16);
720  case 5: return 0xFF0000 + (sd << 0);
721  }
722  av_assert0(0);
723 }
724 
726  int x0, int y0, const uint8_t *text)
727 {
728  int x = x0;
729 
730  for (; *text; text++) {
731  if (*text == '\n') {
732  x = x0;
733  y0 += 16;
734  continue;
735  }
737  frame->width, frame->height,
738  avpriv_vga16_font + *text * 16, 1, 8, 16, 0, 0, x, y0);
739  x += 8;
740  }
741 }
742 
743 static void test2_fill_picture(AVFilterContext *ctx, AVFrame *frame)
744 {
745  TestSourceContext *s = ctx->priv;
747  unsigned alpha = (uint32_t)s->alpha << 24;
748 
749  /* colored background */
750  {
751  unsigned i, x = 0, x2;
752 
753  x = 0;
754  for (i = 1; i < 7; i++) {
755  x2 = av_rescale(i, s->w, 6);
756  x2 = ff_draw_round_to_sub(&s->draw, 0, 0, x2);
757  set_color(s, &color, ((i & 1) ? 0xFF0000 : 0) |
758  ((i & 2) ? 0x00FF00 : 0) |
759  ((i & 4) ? 0x0000FF : 0) |
760  alpha);
762  x, 0, x2 - x, frame->height);
763  x = x2;
764  }
765  }
766 
767  /* oblique gradient */
768  /* note: too slow if using blending */
769  if (s->h >= 64) {
770  unsigned x, dx, y0, y, g0, g;
771 
772  dx = ff_draw_round_to_sub(&s->draw, 0, +1, 1);
773  y0 = av_rescale_q(s->pts, s->time_base, av_make_q(2, s->h - 16));
774  g0 = av_rescale_q(s->pts, s->time_base, av_make_q(1, 128));
775  for (x = 0; x < s->w; x += dx) {
776  g = (av_rescale(x, 6 * 256, s->w) + g0) % (6 * 256);
777  set_color(s, &color, color_gradient(g) | alpha);
778  y = y0 + av_rescale(x, s->h / 2, s->w);
779  y %= 2 * (s->h - 16);
780  if (y > s->h - 16)
781  y = 2 * (s->h - 16) - y;
782  y = ff_draw_round_to_sub(&s->draw, 1, 0, y);
784  x, y, dx, 16);
785  }
786  }
787 
788  /* top right: draw clock hands */
789  if (s->w >= 64 && s->h >= 64) {
790  int l = (FFMIN(s->w, s->h) - 32) >> 1;
791  int steps = FFMAX(4, l >> 5);
792  int xc = (s->w >> 2) + (s->w >> 1);
793  int yc = (s->h >> 2);
794  int cycle = l << 2;
795  int pos, xh, yh;
796  int c, i;
797 
798  for (c = 0; c < 3; c++) {
799  set_color(s, &color, (0xBBBBBB ^ (0xFF << (c << 3))) | alpha);
800  pos = av_rescale_q(s->pts, s->time_base, av_make_q(64 >> (c << 1), cycle)) % cycle;
801  xh = pos < 1 * l ? pos :
802  pos < 2 * l ? l :
803  pos < 3 * l ? 3 * l - pos : 0;
804  yh = pos < 1 * l ? 0 :
805  pos < 2 * l ? pos - l :
806  pos < 3 * l ? l :
807  cycle - pos;
808  xh -= l >> 1;
809  yh -= l >> 1;
810  for (i = 1; i <= steps; i++) {
811  int x = av_rescale(xh, i, steps) + xc;
812  int y = av_rescale(yh, i, steps) + yc;
813  x = ff_draw_round_to_sub(&s->draw, 0, -1, x);
814  y = ff_draw_round_to_sub(&s->draw, 1, -1, y);
816  x, y, 8, 8);
817  }
818  }
819  }
820 
821  /* bottom left: beating rectangles */
822  if (s->w >= 64 && s->h >= 64) {
823  int l = (FFMIN(s->w, s->h) - 16) >> 2;
824  int cycle = l << 3;
825  int xc = (s->w >> 2);
826  int yc = (s->h >> 2) + (s->h >> 1);
827  int xm1 = ff_draw_round_to_sub(&s->draw, 0, -1, xc - 8);
828  int xm2 = ff_draw_round_to_sub(&s->draw, 0, +1, xc + 8);
829  int ym1 = ff_draw_round_to_sub(&s->draw, 1, -1, yc - 8);
830  int ym2 = ff_draw_round_to_sub(&s->draw, 1, +1, yc + 8);
831  int size, step, x1, x2, y1, y2;
832 
833  size = av_rescale_q(s->pts, s->time_base, av_make_q(4, cycle));
834  step = size / l;
835  size %= l;
836  if (step & 1)
837  size = l - size;
838  step = (step >> 1) & 3;
839  set_color(s, &color, 0xFF808080);
840  x1 = ff_draw_round_to_sub(&s->draw, 0, -1, xc - 4 - size);
841  x2 = ff_draw_round_to_sub(&s->draw, 0, +1, xc + 4 + size);
842  y1 = ff_draw_round_to_sub(&s->draw, 1, -1, yc - 4 - size);
843  y2 = ff_draw_round_to_sub(&s->draw, 1, +1, yc + 4 + size);
844  if (step == 0 || step == 2)
846  x1, ym1, x2 - x1, ym2 - ym1);
847  if (step == 1 || step == 2)
849  xm1, y1, xm2 - xm1, y2 - y1);
850  if (step == 3)
852  x1, y1, x2 - x1, y2 - y1);
853  }
854 
855  /* bottom right: checker with random noise */
856  {
857  unsigned xmin = av_rescale(5, s->w, 8);
858  unsigned xmax = av_rescale(7, s->w, 8);
859  unsigned ymin = av_rescale(5, s->h, 8);
860  unsigned ymax = av_rescale(7, s->h, 8);
861  unsigned x, y, i, r;
862  uint8_t alpha[256];
863 
864  r = s->pts;
865  for (y = ymin; y + 15 < ymax; y += 16) {
866  for (x = xmin; x + 15 < xmax; x += 16) {
867  if ((x ^ y) & 16)
868  continue;
869  for (i = 0; i < 256; i++) {
870  r = r * 1664525 + 1013904223;
871  alpha[i] = r >> 24;
872  }
873  set_color(s, &color, 0xFF00FF80);
875  frame->width, frame->height,
876  alpha, 16, 16, 16, 3, 0, x, y);
877  }
878  }
879  }
880 
881  /* bouncing square */
882  if (s->w >= 16 && s->h >= 16) {
883  unsigned w = s->w - 8;
884  unsigned h = s->h - 8;
885  unsigned x = av_rescale_q(s->pts, s->time_base, av_make_q(233, 55 * w)) % (w << 1);
886  unsigned y = av_rescale_q(s->pts, s->time_base, av_make_q(233, 89 * h)) % (h << 1);
887  if (x > w)
888  x = (w << 1) - x;
889  if (y > h)
890  y = (h << 1) - y;
891  x = ff_draw_round_to_sub(&s->draw, 0, -1, x);
892  y = ff_draw_round_to_sub(&s->draw, 1, -1, y);
893  set_color(s, &color, 0xFF8000FF);
895  x, y, 8, 8);
896  }
897 
898  /* top right: draw frame time and frame number */
899  {
900  char buf[256];
901  unsigned time;
902 
903  time = av_rescale_q(s->pts, s->time_base, av_make_q(1, 1000)) % 86400000;
904  set_color(s, &color, 0xC0000000);
906  frame->width, frame->height,
907  2, 2, 100, 36);
908  set_color(s, &color, 0xFFFF8000);
909  snprintf(buf, sizeof(buf), "%02d:%02d:%02d.%03d\n%12"PRIi64,
910  time / 3600000, (time / 60000) % 60, (time / 1000) % 60,
911  time % 1000, s->pts);
912  draw_text(s, frame, &color, 4, 4, buf);
913  }
914 }
915 static av_cold int test2_init(AVFilterContext *ctx)
916 {
917  TestSourceContext *s = ctx->priv;
918 
919  s->fill_picture_fn = test2_fill_picture;
920  return init(ctx);
921 }
922 
923 static int test2_query_formats(AVFilterContext *ctx)
924 {
926 }
927 
928 static int test2_config_props(AVFilterLink *inlink)
929 {
930  AVFilterContext *ctx = inlink->src;
931  TestSourceContext *s = ctx->priv;
932 
933  av_assert0(ff_draw_init(&s->draw, inlink->format, 0) >= 0);
934  s->w = ff_draw_round_to_sub(&s->draw, 0, -1, s->w);
935  s->h = ff_draw_round_to_sub(&s->draw, 1, -1, s->h);
936  if (av_image_check_size(s->w, s->h, 0, ctx) < 0)
937  return AVERROR(EINVAL);
938  return config_props(inlink);
939 }
940 
941 static const AVFilterPad avfilter_vsrc_testsrc2_outputs[] = {
942  {
943  .name = "default",
944  .type = AVMEDIA_TYPE_VIDEO,
945  .config_props = test2_config_props,
946  },
947  { NULL }
948 };
949 
951  .name = "testsrc2",
952  .description = NULL_IF_CONFIG_SMALL("Generate another test pattern."),
953  .priv_size = sizeof(TestSourceContext),
954  .priv_class = &testsrc2_class,
955  .init = test2_init,
956  .uninit = uninit,
957  .query_formats = test2_query_formats,
958  .activate = activate,
959  .inputs = NULL,
960  .outputs = avfilter_vsrc_testsrc2_outputs,
961 };
962 
963 #endif /* CONFIG_TESTSRC2_FILTER */
964 
965 #if CONFIG_RGBTESTSRC_FILTER
966 
967 static const AVOption rgbtestsrc_options[] = {
969  { "complement", "set complement colors", OFFSET(complement), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
970  { "co", "set complement colors", OFFSET(complement), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
971  { NULL }
972 };
973 
974 AVFILTER_DEFINE_CLASS(rgbtestsrc);
975 
976 #define R 0
977 #define G 1
978 #define B 2
979 #define A 3
980 
981 static void rgbtest_put_pixel(uint8_t *dstp[4], int dst_linesizep[4],
982  int x, int y, unsigned r, unsigned g, unsigned b, enum AVPixelFormat fmt,
983  uint8_t rgba_map[4])
984 {
985  uint8_t *dst = dstp[0];
986  int dst_linesize = dst_linesizep[0];
987  uint32_t v;
988  uint8_t *p;
989  uint16_t *p16;
990 
991  switch (fmt) {
992  case AV_PIX_FMT_BGR444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r >> 4) << 8) | ((g >> 4) << 4) | (b >> 4); break;
993  case AV_PIX_FMT_RGB444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b >> 4) << 8) | ((g >> 4) << 4) | (r >> 4); break;
994  case AV_PIX_FMT_BGR555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<10) | ((g>>3)<<5) | (b>>3); break;
995  case AV_PIX_FMT_RGB555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<10) | ((g>>3)<<5) | (r>>3); break;
996  case AV_PIX_FMT_BGR565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<11) | ((g>>2)<<5) | (b>>3); break;
997  case AV_PIX_FMT_RGB565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<11) | ((g>>2)<<5) | (r>>3); break;
998  case AV_PIX_FMT_RGB24:
999  case AV_PIX_FMT_BGR24:
1000  v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8));
1001  p = dst + 3*x + y*dst_linesize;
1002  AV_WL24(p, v);
1003  break;
1004  case AV_PIX_FMT_RGBA:
1005  case AV_PIX_FMT_BGRA:
1006  case AV_PIX_FMT_ARGB:
1007  case AV_PIX_FMT_ABGR:
1008  v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8)) + (255U << (rgba_map[A]*8));
1009  p = dst + 4*x + y*dst_linesize;
1010  AV_WL32(p, v);
1011  break;
1012  case AV_PIX_FMT_GBRP:
1013  p = dstp[0] + x + y * dst_linesizep[0];
1014  p[0] = g;
1015  p = dstp[1] + x + y * dst_linesizep[1];
1016  p[0] = b;
1017  p = dstp[2] + x + y * dst_linesizep[2];
1018  p[0] = r;
1019  break;
1020  case AV_PIX_FMT_GBRP9:
1021  case AV_PIX_FMT_GBRP10:
1022  case AV_PIX_FMT_GBRP12:
1023  case AV_PIX_FMT_GBRP14:
1024  case AV_PIX_FMT_GBRP16:
1025  p16 = (uint16_t *)(dstp[0] + x*2 + y * dst_linesizep[0]);
1026  p16[0] = g;
1027  p16 = (uint16_t *)(dstp[1] + x*2 + y * dst_linesizep[1]);
1028  p16[0] = b;
1029  p16 = (uint16_t *)(dstp[2] + x*2 + y * dst_linesizep[2]);
1030  p16[0] = r;
1031  break;
1032  }
1033 }
1034 
1035 static void rgbtest_fill_picture_complement(AVFilterContext *ctx, AVFrame *frame)
1036 {
1037  TestSourceContext *test = ctx->priv;
1038  int x, y, w = frame->width, h = frame->height;
1039 
1040  for (y = 0; y < h; y++) {
1041  for (x = 0; x < w; x++) {
1042  int c = (1 << FFMAX(test->depth, 8))*x/w;
1043  int r = 0, g = 0, b = 0;
1044 
1045  if (6*y < h ) r = c;
1046  else if (6*y < 2*h) g = c, b = c;
1047  else if (6*y < 3*h) g = c;
1048  else if (6*y < 4*h) r = c, b = c;
1049  else if (6*y < 5*h) b = c;
1050  else r = c, g = c;
1051 
1052  rgbtest_put_pixel(frame->data, frame->linesize, x, y, r, g, b,
1053  ctx->outputs[0]->format, test->rgba_map);
1054  }
1055  }
1056 }
1057 
1058 static void rgbtest_fill_picture(AVFilterContext *ctx, AVFrame *frame)
1059 {
1060  TestSourceContext *test = ctx->priv;
1061  int x, y, w = frame->width, h = frame->height;
1062 
1063  for (y = 0; y < h; y++) {
1064  for (x = 0; x < w; x++) {
1065  int c = (1 << FFMAX(test->depth, 8))*x/w;
1066  int r = 0, g = 0, b = 0;
1067 
1068  if (3*y < h ) r = c;
1069  else if (3*y < 2*h) g = c;
1070  else b = c;
1071 
1072  rgbtest_put_pixel(frame->data, frame->linesize, x, y, r, g, b,
1073  ctx->outputs[0]->format, test->rgba_map);
1074  }
1075  }
1076 }
1077 
1078 static av_cold int rgbtest_init(AVFilterContext *ctx)
1079 {
1080  TestSourceContext *test = ctx->priv;
1081 
1082  test->draw_once = 1;
1083  test->fill_picture_fn = test->complement ? rgbtest_fill_picture_complement : rgbtest_fill_picture;
1084  return init(ctx);
1085 }
1086 
1087 static int rgbtest_query_formats(AVFilterContext *ctx)
1088 {
1089  static const enum AVPixelFormat pix_fmts[] = {
1098  };
1099 
1101  if (!fmts_list)
1102  return AVERROR(ENOMEM);
1103  return ff_set_common_formats(ctx, fmts_list);
1104 }
1105 
1106 static int rgbtest_config_props(AVFilterLink *outlink)
1107 {
1108  TestSourceContext *test = outlink->src->priv;
1110 
1111  test->depth = desc->comp[0].depth;
1112  ff_fill_rgba_map(test->rgba_map, outlink->format);
1113  return config_props(outlink);
1114 }
1115 
1116 static const AVFilterPad avfilter_vsrc_rgbtestsrc_outputs[] = {
1117  {
1118  .name = "default",
1119  .type = AVMEDIA_TYPE_VIDEO,
1120  .config_props = rgbtest_config_props,
1121  },
1122  { NULL }
1123 };
1124 
1126  .name = "rgbtestsrc",
1127  .description = NULL_IF_CONFIG_SMALL("Generate RGB test pattern."),
1128  .priv_size = sizeof(TestSourceContext),
1129  .priv_class = &rgbtestsrc_class,
1130  .init = rgbtest_init,
1131  .uninit = uninit,
1132  .query_formats = rgbtest_query_formats,
1133  .activate = activate,
1134  .inputs = NULL,
1135  .outputs = avfilter_vsrc_rgbtestsrc_outputs,
1136 };
1137 
1138 #endif /* CONFIG_RGBTESTSRC_FILTER */
1139 
1140 #if CONFIG_YUVTESTSRC_FILTER
1141 
1142 #define yuvtestsrc_options options
1143 AVFILTER_DEFINE_CLASS(yuvtestsrc);
1144 
1145 static void yuvtest_fill_picture8(AVFilterContext *ctx, AVFrame *frame)
1146 {
1147  int x, y, w = frame->width, h = frame->height / 3;
1149  const int factor = 1 << desc->comp[0].depth;
1150  const int mid = 1 << (desc->comp[0].depth - 1);
1151  uint8_t *ydst = frame->data[0];
1152  uint8_t *udst = frame->data[1];
1153  uint8_t *vdst = frame->data[2];
1154  int ylinesize = frame->linesize[0];
1155  int ulinesize = frame->linesize[1];
1156  int vlinesize = frame->linesize[2];
1157 
1158  for (y = 0; y < h; y++) {
1159  for (x = 0; x < w; x++) {
1160  int c = factor * x / w;
1161 
1162  ydst[x] = c;
1163  udst[x] = mid;
1164  vdst[x] = mid;
1165  }
1166 
1167  ydst += ylinesize;
1168  udst += ulinesize;
1169  vdst += vlinesize;
1170  }
1171 
1172  h += h;
1173  for (; y < h; y++) {
1174  for (x = 0; x < w; x++) {
1175  int c = factor * x / w;
1176 
1177  ydst[x] = mid;
1178  udst[x] = c;
1179  vdst[x] = mid;
1180  }
1181 
1182  ydst += ylinesize;
1183  udst += ulinesize;
1184  vdst += vlinesize;
1185  }
1186 
1187  for (; y < frame->height; y++) {
1188  for (x = 0; x < w; x++) {
1189  int c = factor * x / w;
1190 
1191  ydst[x] = mid;
1192  udst[x] = mid;
1193  vdst[x] = c;
1194  }
1195 
1196  ydst += ylinesize;
1197  udst += ulinesize;
1198  vdst += vlinesize;
1199  }
1200 }
1201 
1202 static void yuvtest_fill_picture16(AVFilterContext *ctx, AVFrame *frame)
1203 {
1204  int x, y, w = frame->width, h = frame->height / 3;
1206  const int factor = 1 << desc->comp[0].depth;
1207  const int mid = 1 << (desc->comp[0].depth - 1);
1208  uint16_t *ydst = (uint16_t *)frame->data[0];
1209  uint16_t *udst = (uint16_t *)frame->data[1];
1210  uint16_t *vdst = (uint16_t *)frame->data[2];
1211  int ylinesize = frame->linesize[0] / 2;
1212  int ulinesize = frame->linesize[1] / 2;
1213  int vlinesize = frame->linesize[2] / 2;
1214 
1215  for (y = 0; y < h; y++) {
1216  for (x = 0; x < w; x++) {
1217  int c = factor * x / w;
1218 
1219  ydst[x] = c;
1220  udst[x] = mid;
1221  vdst[x] = mid;
1222  }
1223 
1224  ydst += ylinesize;
1225  udst += ulinesize;
1226  vdst += vlinesize;
1227  }
1228 
1229  h += h;
1230  for (; y < h; y++) {
1231  for (x = 0; x < w; x++) {
1232  int c = factor * x / w;
1233 
1234  ydst[x] = mid;
1235  udst[x] = c;
1236  vdst[x] = mid;
1237  }
1238 
1239  ydst += ylinesize;
1240  udst += ulinesize;
1241  vdst += vlinesize;
1242  }
1243 
1244  for (; y < frame->height; y++) {
1245  for (x = 0; x < w; x++) {
1246  int c = factor * x / w;
1247 
1248  ydst[x] = mid;
1249  udst[x] = mid;
1250  vdst[x] = c;
1251  }
1252 
1253  ydst += ylinesize;
1254  udst += ulinesize;
1255  vdst += vlinesize;
1256  }
1257 }
1258 
1259 static av_cold int yuvtest_init(AVFilterContext *ctx)
1260 {
1261  TestSourceContext *test = ctx->priv;
1262 
1263  test->draw_once = 1;
1264  return init(ctx);
1265 }
1266 
1267 static int yuvtest_query_formats(AVFilterContext *ctx)
1268 {
1269  static const enum AVPixelFormat pix_fmts[] = {
1275  };
1276 
1278  if (!fmts_list)
1279  return AVERROR(ENOMEM);
1280  return ff_set_common_formats(ctx, fmts_list);
1281 }
1282 
1283 static int yuvtest_config_props(AVFilterLink *outlink)
1284 {
1285  TestSourceContext *test = outlink->src->priv;
1287 
1288  test->fill_picture_fn = desc->comp[0].depth > 8 ? yuvtest_fill_picture16 : yuvtest_fill_picture8;
1289  return config_props(outlink);
1290 }
1291 
1292 static const AVFilterPad avfilter_vsrc_yuvtestsrc_outputs[] = {
1293  {
1294  .name = "default",
1295  .type = AVMEDIA_TYPE_VIDEO,
1296  .config_props = yuvtest_config_props,
1297  },
1298  { NULL }
1299 };
1300 
1302  .name = "yuvtestsrc",
1303  .description = NULL_IF_CONFIG_SMALL("Generate YUV test pattern."),
1304  .priv_size = sizeof(TestSourceContext),
1305  .priv_class = &yuvtestsrc_class,
1306  .init = yuvtest_init,
1307  .uninit = uninit,
1308  .query_formats = yuvtest_query_formats,
1309  .activate = activate,
1310  .inputs = NULL,
1311  .outputs = avfilter_vsrc_yuvtestsrc_outputs,
1312 };
1313 
1314 #endif /* CONFIG_YUVTESTSRC_FILTER */
1315 
1316 #if CONFIG_PAL75BARS_FILTER || CONFIG_PAL100BARS_FILTER || CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER
1317 
1318 static const uint8_t rainbow[7][4] = {
1319  { 180, 128, 128, 255 }, /* 75% white */
1320  { 162, 44, 142, 255 }, /* 75% yellow */
1321  { 131, 156, 44, 255 }, /* 75% cyan */
1322  { 112, 72, 58, 255 }, /* 75% green */
1323  { 84, 184, 198, 255 }, /* 75% magenta */
1324  { 65, 100, 212, 255 }, /* 75% red */
1325  { 35, 212, 114, 255 }, /* 75% blue */
1326 };
1327 
1328 static const uint8_t rainbow100[7][4] = {
1329  { 235, 128, 128, 255 }, /* 100% white */
1330  { 210, 16, 146, 255 }, /* 100% yellow */
1331  { 170, 166, 16, 255 }, /* 100% cyan */
1332  { 145, 54, 34, 255 }, /* 100% green */
1333  { 106, 202, 222, 255 }, /* 100% magenta */
1334  { 81, 90, 240, 255 }, /* 100% red */
1335  { 41, 240, 110, 255 }, /* 100% blue */
1336 };
1337 
1338 static const uint8_t rainbowhd[7][4] = {
1339  { 180, 128, 128, 255 }, /* 75% white */
1340  { 168, 44, 136, 255 }, /* 75% yellow */
1341  { 145, 147, 44, 255 }, /* 75% cyan */
1342  { 133, 63, 52, 255 }, /* 75% green */
1343  { 63, 193, 204, 255 }, /* 75% magenta */
1344  { 51, 109, 212, 255 }, /* 75% red */
1345  { 28, 212, 120, 255 }, /* 75% blue */
1346 };
1347 
1348 static const uint8_t wobnair[7][4] = {
1349  { 35, 212, 114, 255 }, /* 75% blue */
1350  { 19, 128, 128, 255 }, /* 7.5% intensity black */
1351  { 84, 184, 198, 255 }, /* 75% magenta */
1352  { 19, 128, 128, 255 }, /* 7.5% intensity black */
1353  { 131, 156, 44, 255 }, /* 75% cyan */
1354  { 19, 128, 128, 255 }, /* 7.5% intensity black */
1355  { 180, 128, 128, 255 }, /* 75% white */
1356 };
1357 
1358 static const uint8_t white[4] = { 235, 128, 128, 255 };
1359 
1360 /* pluge pulses */
1361 static const uint8_t neg4ire[4] = { 7, 128, 128, 255 };
1362 static const uint8_t pos4ire[4] = { 24, 128, 128, 255 };
1363 
1364 /* fudged Q/-I */
1365 static const uint8_t i_pixel[4] = { 57, 156, 97, 255 };
1366 static const uint8_t q_pixel[4] = { 44, 171, 147, 255 };
1367 
1368 static const uint8_t gray40[4] = { 104, 128, 128, 255 };
1369 static const uint8_t gray15[4] = { 49, 128, 128, 255 };
1370 static const uint8_t cyan[4] = { 188, 154, 16, 255 };
1371 static const uint8_t yellow[4] = { 219, 16, 138, 255 };
1372 static const uint8_t blue[4] = { 32, 240, 118, 255 };
1373 static const uint8_t red[4] = { 63, 102, 240, 255 };
1374 static const uint8_t black0[4] = { 16, 128, 128, 255 };
1375 static const uint8_t black2[4] = { 20, 128, 128, 255 };
1376 static const uint8_t black4[4] = { 25, 128, 128, 255 };
1377 static const uint8_t neg2[4] = { 12, 128, 128, 255 };
1378 
1379 static void draw_bar(TestSourceContext *test, const uint8_t color[4],
1380  int x, int y, int w, int h,
1381  AVFrame *frame)
1382 {
1384  uint8_t *p, *p0;
1385  int plane;
1386 
1387  x = FFMIN(x, test->w - 1);
1388  y = FFMIN(y, test->h - 1);
1389  w = FFMAX(FFMIN(w, test->w - x), 0);
1390  h = FFMAX(FFMIN(h, test->h - y), 0);
1391 
1392  av_assert0(x + w <= test->w);
1393  av_assert0(y + h <= test->h);
1394 
1395  for (plane = 0; frame->data[plane]; plane++) {
1396  const int c = color[plane];
1397  const int linesize = frame->linesize[plane];
1398  int i, px, py, pw, ph;
1399 
1400  if (plane == 1 || plane == 2) {
1401  px = x >> desc->log2_chroma_w;
1402  pw = AV_CEIL_RSHIFT(w, desc->log2_chroma_w);
1403  py = y >> desc->log2_chroma_h;
1404  ph = AV_CEIL_RSHIFT(h, desc->log2_chroma_h);
1405  } else {
1406  px = x;
1407  pw = w;
1408  py = y;
1409  ph = h;
1410  }
1411 
1412  p0 = p = frame->data[plane] + py * linesize + px;
1413  memset(p, c, pw);
1414  p += linesize;
1415  for (i = 1; i < ph; i++, p += linesize)
1416  memcpy(p, p0, pw);
1417  }
1418 }
1419 
1420 static int smptebars_query_formats(AVFilterContext *ctx)
1421 {
1422  static const enum AVPixelFormat pix_fmts[] = {
1427  };
1428 
1430  if (!fmts_list)
1431  return AVERROR(ENOMEM);
1432  return ff_set_common_formats(ctx, fmts_list);
1433 }
1434 
1435 static const AVFilterPad smptebars_outputs[] = {
1436  {
1437  .name = "default",
1438  .type = AVMEDIA_TYPE_VIDEO,
1439  .config_props = config_props,
1440  },
1441  { NULL }
1442 };
1443 
1444 #if CONFIG_PAL75BARS_FILTER
1445 
1446 #define pal75bars_options options
1447 AVFILTER_DEFINE_CLASS(pal75bars);
1448 
1449 static void pal75bars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
1450 {
1451  TestSourceContext *test = ctx->priv;
1452  int r_w, i, x = 0;
1453  const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
1454 
1455  picref->color_range = AVCOL_RANGE_MPEG;
1456  picref->colorspace = AVCOL_SPC_BT470BG;
1457 
1458  r_w = FFALIGN((test->w + 7) / 8, 1 << pixdesc->log2_chroma_w);
1459 
1460  draw_bar(test, white, x, 0, r_w, test->h, picref);
1461  x += r_w;
1462  for (i = 1; i < 7; i++) {
1463  draw_bar(test, rainbow[i], x, 0, r_w, test->h, picref);
1464  x += r_w;
1465  }
1466  draw_bar(test, black0, x, 0, r_w, test->h, picref);
1467 }
1468 
1469 static av_cold int pal75bars_init(AVFilterContext *ctx)
1470 {
1471  TestSourceContext *test = ctx->priv;
1472 
1473  test->fill_picture_fn = pal75bars_fill_picture;
1474  test->draw_once = 1;
1475  return init(ctx);
1476 }
1477 
1479  .name = "pal75bars",
1480  .description = NULL_IF_CONFIG_SMALL("Generate PAL 75% color bars."),
1481  .priv_size = sizeof(TestSourceContext),
1482  .priv_class = &pal75bars_class,
1483  .init = pal75bars_init,
1484  .uninit = uninit,
1485  .query_formats = smptebars_query_formats,
1486  .activate = activate,
1487  .inputs = NULL,
1488  .outputs = smptebars_outputs,
1489 };
1490 
1491 #endif /* CONFIG_PAL75BARS_FILTER */
1492 
1493 #if CONFIG_PAL100BARS_FILTER
1494 
1495 #define pal100bars_options options
1496 AVFILTER_DEFINE_CLASS(pal100bars);
1497 
1498 static void pal100bars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
1499 {
1500  TestSourceContext *test = ctx->priv;
1501  int r_w, i, x = 0;
1502  const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
1503 
1504  picref->color_range = AVCOL_RANGE_MPEG;
1505  picref->colorspace = AVCOL_SPC_BT470BG;
1506 
1507  r_w = FFALIGN((test->w + 7) / 8, 1 << pixdesc->log2_chroma_w);
1508 
1509  for (i = 0; i < 7; i++) {
1510  draw_bar(test, rainbow100[i], x, 0, r_w, test->h, picref);
1511  x += r_w;
1512  }
1513  draw_bar(test, black0, x, 0, r_w, test->h, picref);
1514 }
1515 
1516 static av_cold int pal100bars_init(AVFilterContext *ctx)
1517 {
1518  TestSourceContext *test = ctx->priv;
1519 
1520  test->fill_picture_fn = pal100bars_fill_picture;
1521  test->draw_once = 1;
1522  return init(ctx);
1523 }
1524 
1526  .name = "pal100bars",
1527  .description = NULL_IF_CONFIG_SMALL("Generate PAL 100% color bars."),
1528  .priv_size = sizeof(TestSourceContext),
1529  .priv_class = &pal100bars_class,
1530  .init = pal100bars_init,
1531  .uninit = uninit,
1532  .query_formats = smptebars_query_formats,
1533  .activate = activate,
1534  .inputs = NULL,
1535  .outputs = smptebars_outputs,
1536 };
1537 
1538 #endif /* CONFIG_PAL100BARS_FILTER */
1539 
1540 #if CONFIG_SMPTEBARS_FILTER
1541 
1542 #define smptebars_options options
1543 AVFILTER_DEFINE_CLASS(smptebars);
1544 
1545 static void smptebars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
1546 {
1547  TestSourceContext *test = ctx->priv;
1548  int r_w, r_h, w_h, p_w, p_h, i, tmp, x = 0;
1549  const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
1550 
1551  picref->colorspace = AVCOL_SPC_BT470BG;
1552 
1553  r_w = FFALIGN((test->w + 6) / 7, 1 << pixdesc->log2_chroma_w);
1554  r_h = FFALIGN(test->h * 2 / 3, 1 << pixdesc->log2_chroma_h);
1555  w_h = FFALIGN(test->h * 3 / 4 - r_h, 1 << pixdesc->log2_chroma_h);
1556  p_w = FFALIGN(r_w * 5 / 4, 1 << pixdesc->log2_chroma_w);
1557  p_h = test->h - w_h - r_h;
1558 
1559  for (i = 0; i < 7; i++) {
1560  draw_bar(test, rainbow[i], x, 0, r_w, r_h, picref);
1561  draw_bar(test, wobnair[i], x, r_h, r_w, w_h, picref);
1562  x += r_w;
1563  }
1564  x = 0;
1565  draw_bar(test, i_pixel, x, r_h + w_h, p_w, p_h, picref);
1566  x += p_w;
1567  draw_bar(test, white, x, r_h + w_h, p_w, p_h, picref);
1568  x += p_w;
1569  draw_bar(test, q_pixel, x, r_h + w_h, p_w, p_h, picref);
1570  x += p_w;
1571  tmp = FFALIGN(5 * r_w - x, 1 << pixdesc->log2_chroma_w);
1572  draw_bar(test, black0, x, r_h + w_h, tmp, p_h, picref);
1573  x += tmp;
1574  tmp = FFALIGN(r_w / 3, 1 << pixdesc->log2_chroma_w);
1575  draw_bar(test, neg4ire, x, r_h + w_h, tmp, p_h, picref);
1576  x += tmp;
1577  draw_bar(test, black0, x, r_h + w_h, tmp, p_h, picref);
1578  x += tmp;
1579  draw_bar(test, pos4ire, x, r_h + w_h, tmp, p_h, picref);
1580  x += tmp;
1581  draw_bar(test, black0, x, r_h + w_h, test->w - x, p_h, picref);
1582 }
1583 
1584 static av_cold int smptebars_init(AVFilterContext *ctx)
1585 {
1586  TestSourceContext *test = ctx->priv;
1587 
1588  test->fill_picture_fn = smptebars_fill_picture;
1589  test->draw_once = 1;
1590  return init(ctx);
1591 }
1592 
1594  .name = "smptebars",
1595  .description = NULL_IF_CONFIG_SMALL("Generate SMPTE color bars."),
1596  .priv_size = sizeof(TestSourceContext),
1597  .priv_class = &smptebars_class,
1598  .init = smptebars_init,
1599  .uninit = uninit,
1600  .query_formats = smptebars_query_formats,
1601  .activate = activate,
1602  .inputs = NULL,
1603  .outputs = smptebars_outputs,
1604 };
1605 
1606 #endif /* CONFIG_SMPTEBARS_FILTER */
1607 
1608 #if CONFIG_SMPTEHDBARS_FILTER
1609 
1610 #define smptehdbars_options options
1611 AVFILTER_DEFINE_CLASS(smptehdbars);
1612 
1613 static void smptehdbars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
1614 {
1615  TestSourceContext *test = ctx->priv;
1616  int d_w, r_w, r_h, l_w, i, tmp, x = 0, y = 0;
1617  const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
1618 
1619  picref->colorspace = AVCOL_SPC_BT709;
1620 
1621  d_w = FFALIGN(test->w / 8, 1 << pixdesc->log2_chroma_w);
1622  r_h = FFALIGN(test->h * 7 / 12, 1 << pixdesc->log2_chroma_h);
1623  draw_bar(test, gray40, x, 0, d_w, r_h, picref);
1624  x += d_w;
1625 
1626  r_w = FFALIGN((((test->w + 3) / 4) * 3) / 7, 1 << pixdesc->log2_chroma_w);
1627  for (i = 0; i < 7; i++) {
1628  draw_bar(test, rainbowhd[i], x, 0, r_w, r_h, picref);
1629  x += r_w;
1630  }
1631  draw_bar(test, gray40, x, 0, test->w - x, r_h, picref);
1632  y = r_h;
1633  r_h = FFALIGN(test->h / 12, 1 << pixdesc->log2_chroma_h);
1634  draw_bar(test, cyan, 0, y, d_w, r_h, picref);
1635  x = d_w;
1636  draw_bar(test, i_pixel, x, y, r_w, r_h, picref);
1637  x += r_w;
1638  tmp = r_w * 6;
1639  draw_bar(test, rainbowhd[0], x, y, tmp, r_h, picref);
1640  x += tmp;
1641  l_w = x;
1642  draw_bar(test, blue, x, y, test->w - x, r_h, picref);
1643  y += r_h;
1644  draw_bar(test, yellow, 0, y, d_w, r_h, picref);
1645  x = d_w;
1646  draw_bar(test, q_pixel, x, y, r_w, r_h, picref);
1647  x += r_w;
1648 
1649  for (i = 0; i < tmp; i += 1 << pixdesc->log2_chroma_w) {
1650  uint8_t yramp[4] = {0};
1651 
1652  yramp[0] = i * 255 / tmp;
1653  yramp[1] = 128;
1654  yramp[2] = 128;
1655  yramp[3] = 255;
1656 
1657  draw_bar(test, yramp, x, y, 1 << pixdesc->log2_chroma_w, r_h, picref);
1658  x += 1 << pixdesc->log2_chroma_w;
1659  }
1660  draw_bar(test, red, x, y, test->w - x, r_h, picref);
1661  y += r_h;
1662  draw_bar(test, gray15, 0, y, d_w, test->h - y, picref);
1663  x = d_w;
1664  tmp = FFALIGN(r_w * 3 / 2, 1 << pixdesc->log2_chroma_w);
1665  draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1666  x += tmp;
1667  tmp = FFALIGN(r_w * 2, 1 << pixdesc->log2_chroma_w);
1668  draw_bar(test, white, x, y, tmp, test->h - y, picref);
1669  x += tmp;
1670  tmp = FFALIGN(r_w * 5 / 6, 1 << pixdesc->log2_chroma_w);
1671  draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1672  x += tmp;
1673  tmp = FFALIGN(r_w / 3, 1 << pixdesc->log2_chroma_w);
1674  draw_bar(test, neg2, x, y, tmp, test->h - y, picref);
1675  x += tmp;
1676  draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1677  x += tmp;
1678  draw_bar(test, black2, x, y, tmp, test->h - y, picref);
1679  x += tmp;
1680  draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1681  x += tmp;
1682  draw_bar(test, black4, x, y, tmp, test->h - y, picref);
1683  x += tmp;
1684  r_w = l_w - x;
1685  draw_bar(test, black0, x, y, r_w, test->h - y, picref);
1686  x += r_w;
1687  draw_bar(test, gray15, x, y, test->w - x, test->h - y, picref);
1688 }
1689 
1690 static av_cold int smptehdbars_init(AVFilterContext *ctx)
1691 {
1692  TestSourceContext *test = ctx->priv;
1693 
1694  test->fill_picture_fn = smptehdbars_fill_picture;
1695  test->draw_once = 1;
1696  return init(ctx);
1697 }
1698 
1700  .name = "smptehdbars",
1701  .description = NULL_IF_CONFIG_SMALL("Generate SMPTE HD color bars."),
1702  .priv_size = sizeof(TestSourceContext),
1703  .priv_class = &smptehdbars_class,
1704  .init = smptehdbars_init,
1705  .uninit = uninit,
1706  .query_formats = smptebars_query_formats,
1707  .activate = activate,
1708  .inputs = NULL,
1709  .outputs = smptebars_outputs,
1710 };
1711 
1712 #endif /* CONFIG_SMPTEHDBARS_FILTER */
1713 #endif /* CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER */
1714 
1715 #if CONFIG_ALLYUV_FILTER
1716 
1717 #define allyuv_options &options[NOSIZE_OPTIONS_OFFSET]
1718 AVFILTER_DEFINE_CLASS(allyuv);
1719 
1720 static void allyuv_fill_picture(AVFilterContext *ctx, AVFrame *frame)
1721 {
1722  const int ys = frame->linesize[0];
1723  const int us = frame->linesize[1];
1724  const int vs = frame->linesize[2];
1725  int x, y, j;
1726 
1727  for (y = 0; y < 4096; y++) {
1728  for (x = 0; x < 2048; x++) {
1729  frame->data[0][y * ys + x] = ((x / 8) % 256);
1730  frame->data[0][y * ys + 4095 - x] = ((x / 8) % 256);
1731  }
1732 
1733  for (x = 0; x < 2048; x+=8) {
1734  for (j = 0; j < 8; j++) {
1735  frame->data[1][vs * y + x + j] = (y%16 + (j % 8) * 16);
1736  frame->data[1][vs * y + 4095 - x - j] = (128 + y%16 + (j % 8) * 16);
1737  }
1738  }
1739 
1740  for (x = 0; x < 4096; x++)
1741  frame->data[2][y * us + x] = 256 * y / 4096;
1742  }
1743 }
1744 
1745 static av_cold int allyuv_init(AVFilterContext *ctx)
1746 {
1747  TestSourceContext *test = ctx->priv;
1748 
1749  test->w = test->h = 4096;
1750  test->draw_once = 1;
1751  test->fill_picture_fn = allyuv_fill_picture;
1752  return init(ctx);
1753 }
1754 
1755 static int allyuv_query_formats(AVFilterContext *ctx)
1756 {
1757  static const enum AVPixelFormat pix_fmts[] = {
1760  };
1761 
1763  if (!fmts_list)
1764  return AVERROR(ENOMEM);
1765  return ff_set_common_formats(ctx, fmts_list);
1766 }
1767 
1768 static const AVFilterPad avfilter_vsrc_allyuv_outputs[] = {
1769  {
1770  .name = "default",
1771  .type = AVMEDIA_TYPE_VIDEO,
1772  .config_props = config_props,
1773  },
1774  { NULL }
1775 };
1776 
1778  .name = "allyuv",
1779  .description = NULL_IF_CONFIG_SMALL("Generate all yuv colors."),
1780  .priv_size = sizeof(TestSourceContext),
1781  .priv_class = &allyuv_class,
1782  .init = allyuv_init,
1783  .uninit = uninit,
1784  .query_formats = allyuv_query_formats,
1785  .activate = activate,
1786  .inputs = NULL,
1787  .outputs = avfilter_vsrc_allyuv_outputs,
1788 };
1789 
1790 #endif /* CONFIG_ALLYUV_FILTER */
1791 
1792 #if CONFIG_ALLRGB_FILTER
1793 
1794 #define allrgb_options &options[NOSIZE_OPTIONS_OFFSET]
1795 AVFILTER_DEFINE_CLASS(allrgb);
1796 
1797 static void allrgb_fill_picture(AVFilterContext *ctx, AVFrame *frame)
1798 {
1799  unsigned x, y;
1800  const int linesize = frame->linesize[0];
1801  uint8_t *line = frame->data[0];
1802 
1803  for (y = 0; y < 4096; y++) {
1804  uint8_t *dst = line;
1805 
1806  for (x = 0; x < 4096; x++) {
1807  *dst++ = x;
1808  *dst++ = y;
1809  *dst++ = (x >> 8) | ((y >> 8) << 4);
1810  }
1811  line += linesize;
1812  }
1813 }
1814 
1815 static av_cold int allrgb_init(AVFilterContext *ctx)
1816 {
1817  TestSourceContext *test = ctx->priv;
1818 
1819  test->w = test->h = 4096;
1820  test->draw_once = 1;
1821  test->fill_picture_fn = allrgb_fill_picture;
1822  return init(ctx);
1823 }
1824 
1825 static int allrgb_config_props(AVFilterLink *outlink)
1826 {
1827  TestSourceContext *test = outlink->src->priv;
1828 
1829  ff_fill_rgba_map(test->rgba_map, outlink->format);
1830  return config_props(outlink);
1831 }
1832 
1833 static int allrgb_query_formats(AVFilterContext *ctx)
1834 {
1835  static const enum AVPixelFormat pix_fmts[] = {
1837  };
1838 
1840  if (!fmts_list)
1841  return AVERROR(ENOMEM);
1842  return ff_set_common_formats(ctx, fmts_list);
1843 }
1844 
1845 static const AVFilterPad avfilter_vsrc_allrgb_outputs[] = {
1846  {
1847  .name = "default",
1848  .type = AVMEDIA_TYPE_VIDEO,
1849  .config_props = allrgb_config_props,
1850  },
1851  { NULL }
1852 };
1853 
1855  .name = "allrgb",
1856  .description = NULL_IF_CONFIG_SMALL("Generate all RGB colors."),
1857  .priv_size = sizeof(TestSourceContext),
1858  .priv_class = &allrgb_class,
1859  .init = allrgb_init,
1860  .uninit = uninit,
1861  .query_formats = allrgb_query_formats,
1862  .activate = activate,
1863  .inputs = NULL,
1864  .outputs = avfilter_vsrc_allrgb_outputs,
1865 };
1866 
1867 #endif /* CONFIG_ALLRGB_FILTER */
static double val(void *priv, double ch)
Definition: aeval.c:76
static int query_formats(AVFilterContext *ctx)
Definition: aeval.c:243
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
Definition: af_acrusher.c:336
AVFilter ff_vsrc_smptebars
AVFilter ff_vsrc_rgbtestsrc
AVFilter ff_vsrc_allrgb
AVFilter ff_vsrc_testsrc2
AVFilter ff_vsrc_pal100bars
AVFilter ff_vsrc_allyuv
AVFilter ff_vsrc_haldclutsrc
AVFilter ff_vsrc_smptehdbars
AVFilter ff_vsrc_nullsrc
AVFilter ff_vsrc_pal75bars
AVFilter ff_vsrc_color
AVFilter ff_vsrc_yuvtestsrc
AVFilter ff_vsrc_testsrc
#define A(x)
Definition: vp56_arith.h:28
#define av_cold
Definition: attributes.h:88
uint8_t
simple assert() macros that are a bit more flexible than ISO C assert().
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1096
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:882
Main libavfilter public API header.
#define flags(name, subs,...)
Definition: cbs_av1.c:572
#define us(width, name, range_min, range_max, subs,...)
Definition: cbs_h2645.c:278
#define s(width, name)
Definition: cbs_vp9.c:257
common internal and external API header
#define FFMIN(a, b)
Definition: common.h:105
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
#define FFMAX(a, b)
Definition: common.h:103
#define NULL
Definition: coverity.c:32
long long int64_t
Definition: coverity.c:34
static AVFrame * frame
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:351
int ff_draw_round_to_sub(FFDrawContext *draw, int sub_dir, int round_dir, int value)
Round a dimension according to subsampling.
Definition: drawutils.c:625
int ff_draw_init(FFDrawContext *draw, enum AVPixelFormat format, unsigned flags)
Init a draw context.
Definition: drawutils.c:84
void ff_draw_color(FFDrawContext *draw, FFDrawColor *color, const uint8_t rgba[4])
Prepare a color.
Definition: drawutils.c:137
int ff_fill_rgba_map(uint8_t *rgba_map, enum AVPixelFormat pix_fmt)
Definition: drawutils.c:35
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:224
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:528
AVFilterFormats * ff_draw_supported_pixel_formats(unsigned flags)
Return the list of pixel formats supported by the draw functions.
Definition: drawutils.c:637
misc drawing utilities
internal math functions header
static av_always_inline double ff_exp10(double x)
Compute 10^x for floating point values.
Definition: ffmath.h:42
static void ff_outlink_set_status(AVFilterLink *link, int status, int64_t pts)
Set the status field of a link from the source filter.
Definition: filters.h:189
#define FFERROR_NOT_READY
Filters implementation helper functions.
Definition: filters.h:34
static int ff_outlink_frame_wanted(AVFilterLink *link)
Test if a frame is wanted on an output link.
Definition: filters.h:172
int ff_set_common_formats(AVFilterContext *ctx, AVFilterFormats *formats)
A helper for query_formats() which sets all links to the same list of formats.
Definition: formats.c:587
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:286
@ AV_OPT_TYPE_INT
Definition: opt.h:225
@ AV_OPT_TYPE_BOOL
Definition: opt.h:242
@ AV_OPT_TYPE_COLOR
Definition: opt.h:240
#define AVERROR_EOF
End of file.
Definition: error.h:55
#define AVERROR(e)
Definition: error.h:43
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:540
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:203
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:210
static AVRational av_make_q(int num, int den)
Create an AVRational.
Definition: rational.h:71
static double av_q2d(AVRational a)
Convert an AVRational to a double.
Definition: rational.h:104
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:159
int64_t av_rescale(int64_t a, int64_t b, int64_t c)
Rescale a 64-bit integer with rounding to nearest.
Definition: mathematics.c:129
int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd)
Rescale a 64-bit integer with specified rounding.
Definition: mathematics.c:58
@ AV_ROUND_ZERO
Round toward zero.
Definition: mathematics.h:80
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
Definition: mathematics.c:142
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
int av_image_check_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx)
Check if the given dimension of an image is valid, meaning that all bytes of the image can be address...
Definition: imgutils.c:317
@ AV_PICTURE_TYPE_I
Intra.
Definition: avutil.h:274
#define AV_TIME_BASE_Q
Internal time base represented as fractional value.
Definition: avutil.h:260
int index
Definition: gxfenc.c:89
for(j=16;j >0;--j)
#define B
Definition: huffyuvdsp.h:32
#define R
Definition: huffyuvdsp.h:34
#define G
Definition: huffyuvdsp.h:33
static const int16_t alpha[]
Definition: ilbcdata.h:55
misc image utilities
int i
Definition: input.c:407
#define AV_WL32(p, v)
Definition: intreadwrite.h:426
#define AV_WL24(p, d)
Definition: intreadwrite.h:464
#define AVFILTER_DEFINE_CLASS(fname)
Definition: internal.h:288
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:309
const char * desc
Definition: libsvtav1.c:79
uint8_t w
Definition: llviddspenc.c:39
static const uint32_t color[16+AV_CLASS_CATEGORY_NB]
Definition: log.c:92
static const uint16_t mask[17]
Definition: lzw.c:38
#define FFALIGN(x, a)
Definition: macros.h:48
const char data[16]
Definition: mxf.c:142
static void test(const char *pattern, const char *host)
Definition: noproxy.c:23
AVOptions.
misc parsing utilities
int av_get_padded_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
Return the number of bits per pixel for the pixel format described by pixdesc, including any padding ...
Definition: pixdesc.c:2538
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2573
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:406
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:398
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:414
@ AVCOL_RANGE_MPEG
Narrow or limited range content.
Definition: pixfmt.h:569
#define AV_PIX_FMT_BGR444
Definition: pixfmt.h:393
#define AV_PIX_FMT_BGR555
Definition: pixfmt.h:392
#define AV_PIX_FMT_BGR48
Definition: pixfmt.h:390
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:415
#define AV_PIX_FMT_RGBA64
Definition: pixfmt.h:389
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:416
#define AV_PIX_FMT_RGB48
Definition: pixfmt.h:385
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
@ AV_PIX_FMT_RGB24
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:68
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
@ AV_PIX_FMT_BGR0
packed BGR 8:8:8, 32bpp, BGRXBGRX... X=unused/undefined
Definition: pixfmt.h:240
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
@ AV_PIX_FMT_ARGB
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
Definition: pixfmt.h:92
@ AV_PIX_FMT_BGRA
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition: pixfmt.h:95
@ AV_PIX_FMT_ABGR
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Definition: pixfmt.h:94
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
@ AV_PIX_FMT_0BGR
packed BGR 8:8:8, 32bpp, XBGRXBGR... X=unused/undefined
Definition: pixfmt.h:239
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
@ AV_PIX_FMT_RGBA
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition: pixfmt.h:93
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
@ AV_PIX_FMT_RGB0
packed RGB 8:8:8, 32bpp, RGBXRGBX... X=unused/undefined
Definition: pixfmt.h:238
@ AV_PIX_FMT_BGR24
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:69
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
@ AV_PIX_FMT_0RGB
packed RGB 8:8:8, 32bpp, XRGBXRGB... X=unused/undefined
Definition: pixfmt.h:237
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
#define AV_PIX_FMT_BGR565
Definition: pixfmt.h:391
#define AV_PIX_FMT_RGB565
Definition: pixfmt.h:386
#define AV_PIX_FMT_BGRA64
Definition: pixfmt.h:394
#define AV_PIX_FMT_RGB444
Definition: pixfmt.h:388
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:418
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:409
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:417
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:412
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:387
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:402
@ AVCOL_SPC_BT709
also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
Definition: pixfmt.h:514
@ AVCOL_SPC_BT470BG
also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601
Definition: pixfmt.h:518
typedef void(RENAME(mix_any_func_type))
#define FF_ARRAY_ELEMS(a)
#define snprintf
Definition: snprintf.h:34
unsigned int pos
Definition: spdifenc.c:412
Describe the class of an AVClass context structure.
Definition: log.h:67
An instance of a filter.
Definition: avfilter.h:341
void * priv
private data for use by the filter
Definition: avfilter.h:356
A list of supported formats for one end of a filter link.
Definition: formats.h:65
A filter pad used for either input or output.
Definition: internal.h:54
const char * name
Pad name.
Definition: internal.h:60
Filter definition.
Definition: avfilter.h:145
const char * name
Filter name.
Definition: avfilter.h:149
This structure describes decoded (raw) audio or video data.
Definition: frame.h:318
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:411
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:332
int width
Definition: frame.h:376
int key_frame
1 -> keyframe, 0-> not
Definition: frame.h:396
int height
Definition: frame.h:376
AVRational sample_aspect_ratio
Sample aspect ratio for the video frame, 0/1 if unknown/unspecified.
Definition: frame.h:406
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:465
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: frame.h:562
enum AVColorSpace colorspace
YUV colorspace type.
Definition: frame.h:573
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:349
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames,...
Definition: frame.h:391
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:401
AVOption.
Definition: opt.h:248
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
Rational number (pair of numerator and denominator).
Definition: rational.h:58
FFDrawContext draw
Definition: vsrc_testsrc.c:74
AVRational sar
sample aspect ratio
Definition: vsrc_testsrc.c:60
int64_t duration
duration expressed in microseconds
Definition: vsrc_testsrc.c:59
AVRational frame_rate
Definition: vsrc_testsrc.c:57
uint8_t color_rgba[4]
Definition: vsrc_testsrc.c:76
unsigned int nb_frame
Definition: vsrc_testsrc.c:56
int draw_once
draw only the first frame, always put out the same picture
Definition: vsrc_testsrc.c:61
int draw_once_reset
draw only the first frame or in case of reset
Definition: vsrc_testsrc.c:62
AVRational time_base
Definition: vsrc_testsrc.c:57
AVFrame * picref
cached reference containing the painted picture
Definition: vsrc_testsrc.c:63
uint8_t rgba_map[4]
Definition: vsrc_testsrc.c:79
void(* fill_picture_fn)(AVFilterContext *ctx, AVFrame *frame)
Definition: vsrc_testsrc.c:65
FFDrawColor color
Definition: vsrc_testsrc.c:75
Definition: graph2dot.c:48
uint8_t level
Definition: svq3.c:206
#define av_log(a,...)
static uint8_t tmp[11]
Definition: aes_ctr.c:27
AVFormatContext * ctx
Definition: movenc.c:48
#define height
#define width
int size
const char * b
Definition: vf_curves.c:118
const char * g
Definition: vf_curves.c:117
const char * r
Definition: vf_curves.c:116
static void draw_text(FFDrawContext *draw, AVFrame *frame, FFDrawColor *color, int x0, int y0, const uint8_t *text, int vertical)
Definition: vf_datascope.c:86
static const int factor[16]
Definition: vf_pp7.c:77
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:104
static double c[64]
static int config_props(AVFilterLink *outlink)
Definition: vsrc_testsrc.c:134
#define FLAGSR
Definition: vsrc_testsrc.c:89
static const AVOption options[]
Definition: vsrc_testsrc.c:107
#define COMMON_OPTIONS
Definition: vsrc_testsrc.c:102
#define FLAGS
Definition: vsrc_testsrc.c:88
static int activate(AVFilterContext *ctx)
Definition: vsrc_testsrc.c:147
static av_cold int init(AVFilterContext *ctx)
Definition: vsrc_testsrc.c:112
static av_cold void uninit(AVFilterContext *ctx)
Definition: vsrc_testsrc.c:127
#define OFFSET(x)
Definition: vsrc_testsrc.c:87
#define COMMON_OPTIONS_NOSIZE
Definition: vsrc_testsrc.c:95
static void draw_rectangle(AVFormatContext *s)
Definition: xcbgrab.c:647
const uint8_t avpriv_vga16_font[4096]
CGA/EGA/VGA ROM font data.