FFmpeg  4.3.9
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 "formats.h"
49 #include "internal.h"
50 #include "video.h"
51 
52 typedef struct TestSourceContext {
53  const AVClass *class;
54  int w, h;
55  unsigned int nb_frame;
58  int64_t duration; ///< duration expressed in microseconds
59  AVRational sar; ///< sample aspect ratio
60  int draw_once; ///< draw only the first frame, always put out the same picture
61  int draw_once_reset; ///< draw only the first frame or in case of reset
62  AVFrame *picref; ///< cached reference containing the painted picture
63 
65 
66  /* only used by testsrc */
68 
69  /* only used by testsrc2 */
70  int alpha;
71 
72  /* only used by color */
76 
77  /* only used by rgbtest */
79 
80  /* only used by haldclut */
81  int level;
83 
84 #define OFFSET(x) offsetof(TestSourceContext, x)
85 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
86 #define FLAGSR AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
87 
88 #define SIZE_OPTIONS \
89  { "size", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },\
90  { "s", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },\
91 
92 #define COMMON_OPTIONS_NOSIZE \
93  { "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, FLAGS },\
94  { "r", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, FLAGS },\
95  { "duration", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS },\
96  { "d", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS },\
97  { "sar", "set video sample aspect ratio", OFFSET(sar), AV_OPT_TYPE_RATIONAL, {.dbl= 1}, 0, INT_MAX, FLAGS },
98 
99 #define COMMON_OPTIONS SIZE_OPTIONS COMMON_OPTIONS_NOSIZE
100 
101 static const AVOption options[] = {
103  { NULL }
104 };
105 
107 {
108  TestSourceContext *test = ctx->priv;
109 
110  test->time_base = av_inv_q(test->frame_rate);
111  test->nb_frame = 0;
112  test->pts = 0;
113 
114  av_log(ctx, AV_LOG_VERBOSE, "size:%dx%d rate:%d/%d duration:%f sar:%d/%d\n",
115  test->w, test->h, test->frame_rate.num, test->frame_rate.den,
116  test->duration < 0 ? -1 : (double)test->duration/1000000,
117  test->sar.num, test->sar.den);
118  return 0;
119 }
120 
122 {
123  TestSourceContext *test = ctx->priv;
124 
125  av_frame_free(&test->picref);
126 }
127 
128 static int config_props(AVFilterLink *outlink)
129 {
130  TestSourceContext *test = outlink->src->priv;
131 
132  outlink->w = test->w;
133  outlink->h = test->h;
134  outlink->sample_aspect_ratio = test->sar;
135  outlink->frame_rate = test->frame_rate;
136  outlink->time_base = test->time_base;
137 
138  return 0;
139 }
140 
141 static int request_frame(AVFilterLink *outlink)
142 {
143  TestSourceContext *test = outlink->src->priv;
144  AVFrame *frame;
145 
146  if (test->duration >= 0 &&
147  av_rescale_q(test->pts, test->time_base, AV_TIME_BASE_Q) >= test->duration)
148  return AVERROR_EOF;
149 
150  if (test->draw_once) {
151  if (test->draw_once_reset) {
152  av_frame_free(&test->picref);
153  test->draw_once_reset = 0;
154  }
155  if (!test->picref) {
156  test->picref =
157  ff_get_video_buffer(outlink, test->w, test->h);
158  if (!test->picref)
159  return AVERROR(ENOMEM);
160  test->fill_picture_fn(outlink->src, test->picref);
161  }
162  frame = av_frame_clone(test->picref);
163  } else
164  frame = ff_get_video_buffer(outlink, test->w, test->h);
165 
166  if (!frame)
167  return AVERROR(ENOMEM);
168  frame->pts = test->pts;
169  frame->key_frame = 1;
170  frame->interlaced_frame = 0;
171  frame->pict_type = AV_PICTURE_TYPE_I;
172  frame->sample_aspect_ratio = test->sar;
173  if (!test->draw_once)
174  test->fill_picture_fn(outlink->src, frame);
175 
176  test->pts++;
177  test->nb_frame++;
178 
179  return ff_filter_frame(outlink, frame);
180 }
181 
182 #if CONFIG_COLOR_FILTER
183 
184 static const AVOption color_options[] = {
185  { "color", "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, 0, 0, FLAGSR },
186  { "c", "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, 0, 0, FLAGSR },
188  { NULL }
189 };
190 
192 
193 static void color_fill_picture(AVFilterContext *ctx, AVFrame *picref)
194 {
195  TestSourceContext *test = ctx->priv;
196  ff_fill_rectangle(&test->draw, &test->color,
197  picref->data, picref->linesize,
198  0, 0, test->w, test->h);
199 }
200 
201 static av_cold int color_init(AVFilterContext *ctx)
202 {
203  TestSourceContext *test = ctx->priv;
204  test->fill_picture_fn = color_fill_picture;
205  test->draw_once = 1;
206  return init(ctx);
207 }
208 
209 static int color_query_formats(AVFilterContext *ctx)
210 {
212 }
213 
214 static int color_config_props(AVFilterLink *inlink)
215 {
216  AVFilterContext *ctx = inlink->src;
217  TestSourceContext *test = ctx->priv;
218  int ret;
219 
220  ff_draw_init(&test->draw, inlink->format, 0);
221  ff_draw_color(&test->draw, &test->color, test->color_rgba);
222 
223  test->w = ff_draw_round_to_sub(&test->draw, 0, -1, test->w);
224  test->h = ff_draw_round_to_sub(&test->draw, 1, -1, test->h);
225  if (av_image_check_size(test->w, test->h, 0, ctx) < 0)
226  return AVERROR(EINVAL);
227 
228  if ((ret = config_props(inlink)) < 0)
229  return ret;
230 
231  return 0;
232 }
233 
234 static int color_process_command(AVFilterContext *ctx, const char *cmd, const char *args,
235  char *res, int res_len, int flags)
236 {
237  TestSourceContext *test = ctx->priv;
238  int ret;
239 
240  ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
241  if (ret < 0)
242  return ret;
243 
244  ff_draw_color(&test->draw, &test->color, test->color_rgba);
245  test->draw_once_reset = 1;
246  return 0;
247 }
248 
249 static const AVFilterPad color_outputs[] = {
250  {
251  .name = "default",
252  .type = AVMEDIA_TYPE_VIDEO,
253  .request_frame = request_frame,
254  .config_props = color_config_props,
255  },
256  { NULL }
257 };
258 
260  .name = "color",
261  .description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input."),
262  .priv_class = &color_class,
263  .priv_size = sizeof(TestSourceContext),
264  .init = color_init,
265  .uninit = uninit,
266  .query_formats = color_query_formats,
267  .inputs = NULL,
268  .outputs = color_outputs,
269  .process_command = color_process_command,
270 };
271 
272 #endif /* CONFIG_COLOR_FILTER */
273 
274 #if CONFIG_HALDCLUTSRC_FILTER
275 
276 static const AVOption haldclutsrc_options[] = {
277  { "level", "set level", OFFSET(level), AV_OPT_TYPE_INT, {.i64 = 6}, 2, 16, FLAGS },
279  { NULL }
280 };
281 
282 AVFILTER_DEFINE_CLASS(haldclutsrc);
283 
284 static void haldclutsrc_fill_picture(AVFilterContext *ctx, AVFrame *frame)
285 {
286  int i, j, k, x = 0, y = 0, is16bit = 0, step;
287  uint32_t alpha = 0;
288  const TestSourceContext *hc = ctx->priv;
289  int level = hc->level;
290  float scale;
291  const int w = frame->width;
292  const int h = frame->height;
293  const uint8_t *data = frame->data[0];
294  const int linesize = frame->linesize[0];
296  uint8_t rgba_map[4];
297 
298  av_assert0(w == h && w == level*level*level);
299 
300  ff_fill_rgba_map(rgba_map, frame->format);
301 
302  switch (frame->format) {
303  case AV_PIX_FMT_RGB48:
304  case AV_PIX_FMT_BGR48:
305  case AV_PIX_FMT_RGBA64:
306  case AV_PIX_FMT_BGRA64:
307  is16bit = 1;
308  alpha = 0xffff;
309  break;
310  case AV_PIX_FMT_RGBA:
311  case AV_PIX_FMT_BGRA:
312  case AV_PIX_FMT_ARGB:
313  case AV_PIX_FMT_ABGR:
314  alpha = 0xff;
315  break;
316  }
317 
318  step = av_get_padded_bits_per_pixel(desc) >> (3 + is16bit);
319  scale = ((float)(1 << (8*(is16bit+1))) - 1) / (level*level - 1);
320 
321 #define LOAD_CLUT(nbits) do { \
322  uint##nbits##_t *dst = ((uint##nbits##_t *)(data + y*linesize)) + x*step; \
323  dst[rgba_map[0]] = av_clip_uint##nbits(i * scale); \
324  dst[rgba_map[1]] = av_clip_uint##nbits(j * scale); \
325  dst[rgba_map[2]] = av_clip_uint##nbits(k * scale); \
326  if (step == 4) \
327  dst[rgba_map[3]] = alpha; \
328 } while (0)
329 
330  level *= level;
331  for (k = 0; k < level; k++) {
332  for (j = 0; j < level; j++) {
333  for (i = 0; i < level; i++) {
334  if (!is16bit)
335  LOAD_CLUT(8);
336  else
337  LOAD_CLUT(16);
338  if (++x == w) {
339  x = 0;
340  y++;
341  }
342  }
343  }
344  }
345 }
346 
347 static av_cold int haldclutsrc_init(AVFilterContext *ctx)
348 {
349  TestSourceContext *hc = ctx->priv;
350  hc->fill_picture_fn = haldclutsrc_fill_picture;
351  hc->draw_once = 1;
352  return init(ctx);
353 }
354 
355 static int haldclutsrc_query_formats(AVFilterContext *ctx)
356 {
357  static const enum AVPixelFormat pix_fmts[] = {
366  };
367 
368  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
369  if (!fmts_list)
370  return AVERROR(ENOMEM);
371  return ff_set_common_formats(ctx, fmts_list);
372 }
373 
374 static int haldclutsrc_config_props(AVFilterLink *outlink)
375 {
376  AVFilterContext *ctx = outlink->src;
377  TestSourceContext *hc = ctx->priv;
378 
379  hc->w = hc->h = hc->level * hc->level * hc->level;
380  return config_props(outlink);
381 }
382 
383 static const AVFilterPad haldclutsrc_outputs[] = {
384  {
385  .name = "default",
386  .type = AVMEDIA_TYPE_VIDEO,
387  .request_frame = request_frame,
388  .config_props = haldclutsrc_config_props,
389  },
390  { NULL }
391 };
392 
394  .name = "haldclutsrc",
395  .description = NULL_IF_CONFIG_SMALL("Provide an identity Hald CLUT."),
396  .priv_class = &haldclutsrc_class,
397  .priv_size = sizeof(TestSourceContext),
398  .init = haldclutsrc_init,
399  .uninit = uninit,
400  .query_formats = haldclutsrc_query_formats,
401  .inputs = NULL,
402  .outputs = haldclutsrc_outputs,
403 };
404 #endif /* CONFIG_HALDCLUTSRC_FILTER */
405 
406 #if CONFIG_NULLSRC_FILTER
407 
408 #define nullsrc_options options
409 AVFILTER_DEFINE_CLASS(nullsrc);
410 
411 static void nullsrc_fill_picture(AVFilterContext *ctx, AVFrame *picref) { }
412 
413 static av_cold int nullsrc_init(AVFilterContext *ctx)
414 {
415  TestSourceContext *test = ctx->priv;
416 
417  test->fill_picture_fn = nullsrc_fill_picture;
418  return init(ctx);
419 }
420 
421 static const AVFilterPad nullsrc_outputs[] = {
422  {
423  .name = "default",
424  .type = AVMEDIA_TYPE_VIDEO,
425  .request_frame = request_frame,
426  .config_props = config_props,
427  },
428  { NULL },
429 };
430 
432  .name = "nullsrc",
433  .description = NULL_IF_CONFIG_SMALL("Null video source, return unprocessed video frames."),
434  .init = nullsrc_init,
435  .uninit = uninit,
436  .priv_size = sizeof(TestSourceContext),
437  .priv_class = &nullsrc_class,
438  .inputs = NULL,
439  .outputs = nullsrc_outputs,
440 };
441 
442 #endif /* CONFIG_NULLSRC_FILTER */
443 
444 #if CONFIG_TESTSRC_FILTER
445 
446 static const AVOption testsrc_options[] = {
448  { "decimals", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0}, 0, 17, FLAGS },
449  { "n", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0}, 0, 17, FLAGS },
450  { NULL }
451 };
452 
453 AVFILTER_DEFINE_CLASS(testsrc);
454 
455 /**
456  * Fill a rectangle with value val.
457  *
458  * @param val the RGB value to set
459  * @param dst pointer to the destination buffer to fill
460  * @param dst_linesize linesize of destination
461  * @param segment_width width of the segment
462  * @param x horizontal coordinate where to draw the rectangle in the destination buffer
463  * @param y horizontal coordinate where to draw the rectangle in the destination buffer
464  * @param w width of the rectangle to draw, expressed as a number of segment_width units
465  * @param h height of the rectangle to draw, expressed as a number of segment_width units
466  */
467 static void draw_rectangle(unsigned val, uint8_t *dst, int dst_linesize, int segment_width,
468  int x, int y, int w, int h)
469 {
470  int i;
471  int step = 3;
472 
473  dst += segment_width * (step * x + y * dst_linesize);
474  w *= segment_width * step;
475  h *= segment_width;
476  for (i = 0; i < h; i++) {
477  memset(dst, val, w);
478  dst += dst_linesize;
479  }
480 }
481 
482 static void draw_digit(int digit, uint8_t *dst, int dst_linesize,
483  int segment_width)
484 {
485 #define TOP_HBAR 1
486 #define MID_HBAR 2
487 #define BOT_HBAR 4
488 #define LEFT_TOP_VBAR 8
489 #define LEFT_BOT_VBAR 16
490 #define RIGHT_TOP_VBAR 32
491 #define RIGHT_BOT_VBAR 64
492  struct segments {
493  int x, y, w, h;
494  } segments[] = {
495  { 1, 0, 5, 1 }, /* TOP_HBAR */
496  { 1, 6, 5, 1 }, /* MID_HBAR */
497  { 1, 12, 5, 1 }, /* BOT_HBAR */
498  { 0, 1, 1, 5 }, /* LEFT_TOP_VBAR */
499  { 0, 7, 1, 5 }, /* LEFT_BOT_VBAR */
500  { 6, 1, 1, 5 }, /* RIGHT_TOP_VBAR */
501  { 6, 7, 1, 5 } /* RIGHT_BOT_VBAR */
502  };
503  static const unsigned char masks[10] = {
504  /* 0 */ TOP_HBAR |BOT_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
505  /* 1 */ RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
506  /* 2 */ TOP_HBAR|MID_HBAR|BOT_HBAR|LEFT_BOT_VBAR |RIGHT_TOP_VBAR,
507  /* 3 */ TOP_HBAR|MID_HBAR|BOT_HBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
508  /* 4 */ MID_HBAR |LEFT_TOP_VBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
509  /* 5 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR |RIGHT_BOT_VBAR,
510  /* 6 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR |RIGHT_BOT_VBAR,
511  /* 7 */ TOP_HBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
512  /* 8 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
513  /* 9 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
514  };
515  unsigned mask = masks[digit];
516  int i;
517 
518  draw_rectangle(0, dst, dst_linesize, segment_width, 0, 0, 8, 13);
519  for (i = 0; i < FF_ARRAY_ELEMS(segments); i++)
520  if (mask & (1<<i))
521  draw_rectangle(255, dst, dst_linesize, segment_width,
522  segments[i].x, segments[i].y, segments[i].w, segments[i].h);
523 }
524 
525 #define GRADIENT_SIZE (6 * 256)
526 
527 static void test_fill_picture(AVFilterContext *ctx, AVFrame *frame)
528 {
529  TestSourceContext *test = ctx->priv;
530  uint8_t *p, *p0;
531  int x, y;
532  int color, color_rest;
533  int icolor;
534  int radius;
535  int quad0, quad;
536  int dquad_x, dquad_y;
537  int grad, dgrad, rgrad, drgrad;
538  int seg_size;
539  int second;
540  int i;
541  uint8_t *data = frame->data[0];
542  int width = frame->width;
543  int height = frame->height;
544 
545  /* draw colored bars and circle */
546  radius = (width + height) / 4;
547  quad0 = width * width / 4 + height * height / 4 - radius * radius;
548  dquad_y = 1 - height;
549  p0 = data;
550  for (y = 0; y < height; y++) {
551  p = p0;
552  color = 0;
553  color_rest = 0;
554  quad = quad0;
555  dquad_x = 1 - width;
556  for (x = 0; x < width; x++) {
557  icolor = color;
558  if (quad < 0)
559  icolor ^= 7;
560  quad += dquad_x;
561  dquad_x += 2;
562  *(p++) = icolor & 1 ? 255 : 0;
563  *(p++) = icolor & 2 ? 255 : 0;
564  *(p++) = icolor & 4 ? 255 : 0;
565  color_rest += 8;
566  if (color_rest >= width) {
567  color_rest -= width;
568  color++;
569  }
570  }
571  quad0 += dquad_y;
572  dquad_y += 2;
573  p0 += frame->linesize[0];
574  }
575 
576  /* draw sliding color line */
577  p0 = p = data + frame->linesize[0] * (height * 3/4);
578  grad = (256 * test->nb_frame * test->time_base.num / test->time_base.den) %
579  GRADIENT_SIZE;
580  rgrad = 0;
581  dgrad = GRADIENT_SIZE / width;
582  drgrad = GRADIENT_SIZE % width;
583  for (x = 0; x < width; x++) {
584  *(p++) =
585  grad < 256 || grad >= 5 * 256 ? 255 :
586  grad >= 2 * 256 && grad < 4 * 256 ? 0 :
587  grad < 2 * 256 ? 2 * 256 - 1 - grad : grad - 4 * 256;
588  *(p++) =
589  grad >= 4 * 256 ? 0 :
590  grad >= 1 * 256 && grad < 3 * 256 ? 255 :
591  grad < 1 * 256 ? grad : 4 * 256 - 1 - grad;
592  *(p++) =
593  grad < 2 * 256 ? 0 :
594  grad >= 3 * 256 && grad < 5 * 256 ? 255 :
595  grad < 3 * 256 ? grad - 2 * 256 : 6 * 256 - 1 - grad;
596  grad += dgrad;
597  rgrad += drgrad;
598  if (rgrad >= GRADIENT_SIZE) {
599  grad++;
600  rgrad -= GRADIENT_SIZE;
601  }
602  if (grad >= GRADIENT_SIZE)
603  grad -= GRADIENT_SIZE;
604  }
605  p = p0;
606  for (y = height / 8; y > 0; y--) {
607  memcpy(p+frame->linesize[0], p, 3 * width);
608  p += frame->linesize[0];
609  }
610 
611  /* draw digits */
612  seg_size = width / 80;
613  if (seg_size >= 1 && height >= 13 * seg_size) {
614  int64_t p10decimals = 1;
615  double time = av_q2d(test->time_base) * test->nb_frame *
616  ff_exp10(test->nb_decimals);
617  if (time >= INT_MAX)
618  return;
619 
620  for (x = 0; x < test->nb_decimals; x++)
621  p10decimals *= 10;
622 
623  second = av_rescale_rnd(test->nb_frame * test->time_base.num, p10decimals, test->time_base.den, AV_ROUND_ZERO);
624  x = width - (width - seg_size * 64) / 2;
625  y = (height - seg_size * 13) / 2;
626  p = data + (x*3 + y * frame->linesize[0]);
627  for (i = 0; i < 8; i++) {
628  p -= 3 * 8 * seg_size;
629  draw_digit(second % 10, p, frame->linesize[0], seg_size);
630  second /= 10;
631  if (second == 0)
632  break;
633  }
634  }
635 }
636 
637 static av_cold int test_init(AVFilterContext *ctx)
638 {
639  TestSourceContext *test = ctx->priv;
640 
641  test->fill_picture_fn = test_fill_picture;
642  return init(ctx);
643 }
644 
645 static int test_query_formats(AVFilterContext *ctx)
646 {
647  static const enum AVPixelFormat pix_fmts[] = {
649  };
650 
651  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
652  if (!fmts_list)
653  return AVERROR(ENOMEM);
654  return ff_set_common_formats(ctx, fmts_list);
655 }
656 
657 static const AVFilterPad avfilter_vsrc_testsrc_outputs[] = {
658  {
659  .name = "default",
660  .type = AVMEDIA_TYPE_VIDEO,
661  .request_frame = request_frame,
662  .config_props = config_props,
663  },
664  { NULL }
665 };
666 
668  .name = "testsrc",
669  .description = NULL_IF_CONFIG_SMALL("Generate test pattern."),
670  .priv_size = sizeof(TestSourceContext),
671  .priv_class = &testsrc_class,
672  .init = test_init,
673  .uninit = uninit,
674  .query_formats = test_query_formats,
675  .inputs = NULL,
676  .outputs = avfilter_vsrc_testsrc_outputs,
677 };
678 
679 #endif /* CONFIG_TESTSRC_FILTER */
680 
681 #if CONFIG_TESTSRC2_FILTER
682 
683 static const AVOption testsrc2_options[] = {
685  { "alpha", "set global alpha (opacity)", OFFSET(alpha), AV_OPT_TYPE_INT, {.i64 = 255}, 0, 255, FLAGS },
686  { NULL }
687 };
688 
689 AVFILTER_DEFINE_CLASS(testsrc2);
690 
691 static void set_color(TestSourceContext *s, FFDrawColor *color, uint32_t argb)
692 {
693  uint8_t rgba[4] = { (argb >> 16) & 0xFF,
694  (argb >> 8) & 0xFF,
695  (argb >> 0) & 0xFF,
696  (argb >> 24) & 0xFF, };
697  ff_draw_color(&s->draw, color, rgba);
698 }
699 
700 static uint32_t color_gradient(unsigned index)
701 {
702  unsigned si = index & 0xFF, sd = 0xFF - si;
703  switch (index >> 8) {
704  case 0: return 0xFF0000 + (si << 8);
705  case 1: return 0x00FF00 + (sd << 16);
706  case 2: return 0x00FF00 + (si << 0);
707  case 3: return 0x0000FF + (sd << 8);
708  case 4: return 0x0000FF + (si << 16);
709  case 5: return 0xFF0000 + (sd << 0);
710  }
711  av_assert0(0);
712 }
713 
714 static void draw_text(TestSourceContext *s, AVFrame *frame, FFDrawColor *color,
715  int x0, int y0, const uint8_t *text)
716 {
717  int x = x0;
718 
719  for (; *text; text++) {
720  if (*text == '\n') {
721  x = x0;
722  y0 += 16;
723  continue;
724  }
725  ff_blend_mask(&s->draw, color, frame->data, frame->linesize,
726  frame->width, frame->height,
727  avpriv_vga16_font + *text * 16, 1, 8, 16, 0, 0, x, y0);
728  x += 8;
729  }
730 }
731 
732 static void test2_fill_picture(AVFilterContext *ctx, AVFrame *frame)
733 {
734  TestSourceContext *s = ctx->priv;
736  unsigned alpha = (uint32_t)s->alpha << 24;
737 
738  /* colored background */
739  {
740  unsigned i, x = 0, x2;
741 
742  x = 0;
743  for (i = 1; i < 7; i++) {
744  x2 = av_rescale(i, s->w, 6);
745  x2 = ff_draw_round_to_sub(&s->draw, 0, 0, x2);
746  set_color(s, &color, ((i & 1) ? 0xFF0000 : 0) |
747  ((i & 2) ? 0x00FF00 : 0) |
748  ((i & 4) ? 0x0000FF : 0) |
749  alpha);
750  ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
751  x, 0, x2 - x, frame->height);
752  x = x2;
753  }
754  }
755 
756  /* oblique gradient */
757  /* note: too slow if using blending */
758  if (s->h >= 64) {
759  unsigned x, dx, y0, y, g0, g;
760 
761  dx = ff_draw_round_to_sub(&s->draw, 0, +1, 1);
762  y0 = av_rescale_q(s->pts, s->time_base, av_make_q(2, s->h - 16));
763  g0 = av_rescale_q(s->pts, s->time_base, av_make_q(1, 128));
764  for (x = 0; x < s->w; x += dx) {
765  g = (av_rescale(x, 6 * 256, s->w) + g0) % (6 * 256);
766  set_color(s, &color, color_gradient(g) | alpha);
767  y = y0 + av_rescale(x, s->h / 2, s->w);
768  y %= 2 * (s->h - 16);
769  if (y > s->h - 16)
770  y = 2 * (s->h - 16) - y;
771  y = ff_draw_round_to_sub(&s->draw, 1, 0, y);
772  ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
773  x, y, dx, 16);
774  }
775  }
776 
777  /* top right: draw clock hands */
778  if (s->w >= 64 && s->h >= 64) {
779  int l = (FFMIN(s->w, s->h) - 32) >> 1;
780  int steps = FFMAX(4, l >> 5);
781  int xc = (s->w >> 2) + (s->w >> 1);
782  int yc = (s->h >> 2);
783  int cycle = l << 2;
784  int pos, xh, yh;
785  int c, i;
786 
787  for (c = 0; c < 3; c++) {
788  set_color(s, &color, (0xBBBBBB ^ (0xFF << (c << 3))) | alpha);
789  pos = av_rescale_q(s->pts, s->time_base, av_make_q(64 >> (c << 1), cycle)) % cycle;
790  xh = pos < 1 * l ? pos :
791  pos < 2 * l ? l :
792  pos < 3 * l ? 3 * l - pos : 0;
793  yh = pos < 1 * l ? 0 :
794  pos < 2 * l ? pos - l :
795  pos < 3 * l ? l :
796  cycle - pos;
797  xh -= l >> 1;
798  yh -= l >> 1;
799  for (i = 1; i <= steps; i++) {
800  int x = av_rescale(xh, i, steps) + xc;
801  int y = av_rescale(yh, i, steps) + yc;
802  x = ff_draw_round_to_sub(&s->draw, 0, -1, x);
803  y = ff_draw_round_to_sub(&s->draw, 1, -1, y);
804  ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
805  x, y, 8, 8);
806  }
807  }
808  }
809 
810  /* bottom left: beating rectangles */
811  if (s->w >= 64 && s->h >= 64) {
812  int l = (FFMIN(s->w, s->h) - 16) >> 2;
813  int cycle = l << 3;
814  int xc = (s->w >> 2);
815  int yc = (s->h >> 2) + (s->h >> 1);
816  int xm1 = ff_draw_round_to_sub(&s->draw, 0, -1, xc - 8);
817  int xm2 = ff_draw_round_to_sub(&s->draw, 0, +1, xc + 8);
818  int ym1 = ff_draw_round_to_sub(&s->draw, 1, -1, yc - 8);
819  int ym2 = ff_draw_round_to_sub(&s->draw, 1, +1, yc + 8);
820  int size, step, x1, x2, y1, y2;
821 
822  size = av_rescale_q(s->pts, s->time_base, av_make_q(4, cycle));
823  step = size / l;
824  size %= l;
825  if (step & 1)
826  size = l - size;
827  step = (step >> 1) & 3;
828  set_color(s, &color, 0xFF808080);
829  x1 = ff_draw_round_to_sub(&s->draw, 0, -1, xc - 4 - size);
830  x2 = ff_draw_round_to_sub(&s->draw, 0, +1, xc + 4 + size);
831  y1 = ff_draw_round_to_sub(&s->draw, 1, -1, yc - 4 - size);
832  y2 = ff_draw_round_to_sub(&s->draw, 1, +1, yc + 4 + size);
833  if (step == 0 || step == 2)
834  ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
835  x1, ym1, x2 - x1, ym2 - ym1);
836  if (step == 1 || step == 2)
837  ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
838  xm1, y1, xm2 - xm1, y2 - y1);
839  if (step == 3)
840  ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
841  x1, y1, x2 - x1, y2 - y1);
842  }
843 
844  /* bottom right: checker with random noise */
845  {
846  unsigned xmin = av_rescale(5, s->w, 8);
847  unsigned xmax = av_rescale(7, s->w, 8);
848  unsigned ymin = av_rescale(5, s->h, 8);
849  unsigned ymax = av_rescale(7, s->h, 8);
850  unsigned x, y, i, r;
851  uint8_t alpha[256];
852 
853  r = s->pts;
854  for (y = ymin; y + 15 < ymax; y += 16) {
855  for (x = xmin; x + 15 < xmax; x += 16) {
856  if ((x ^ y) & 16)
857  continue;
858  for (i = 0; i < 256; i++) {
859  r = r * 1664525 + 1013904223;
860  alpha[i] = r >> 24;
861  }
862  set_color(s, &color, 0xFF00FF80);
863  ff_blend_mask(&s->draw, &color, frame->data, frame->linesize,
864  frame->width, frame->height,
865  alpha, 16, 16, 16, 3, 0, x, y);
866  }
867  }
868  }
869 
870  /* bouncing square */
871  if (s->w >= 16 && s->h >= 16) {
872  unsigned w = s->w - 8;
873  unsigned h = s->h - 8;
874  unsigned x = av_rescale_q(s->pts, s->time_base, av_make_q(233, 55 * w)) % (w << 1);
875  unsigned y = av_rescale_q(s->pts, s->time_base, av_make_q(233, 89 * h)) % (h << 1);
876  if (x > w)
877  x = (w << 1) - x;
878  if (y > h)
879  y = (h << 1) - y;
880  x = ff_draw_round_to_sub(&s->draw, 0, -1, x);
881  y = ff_draw_round_to_sub(&s->draw, 1, -1, y);
882  set_color(s, &color, 0xFF8000FF);
883  ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
884  x, y, 8, 8);
885  }
886 
887  /* top right: draw frame time and frame number */
888  {
889  char buf[256];
890  unsigned time;
891 
892  time = av_rescale_q(s->pts, s->time_base, av_make_q(1, 1000)) % 86400000;
893  set_color(s, &color, 0xC0000000);
894  ff_blend_rectangle(&s->draw, &color, frame->data, frame->linesize,
895  frame->width, frame->height,
896  2, 2, 100, 36);
897  set_color(s, &color, 0xFFFF8000);
898  snprintf(buf, sizeof(buf), "%02d:%02d:%02d.%03d\n%12"PRIi64,
899  time / 3600000, (time / 60000) % 60, (time / 1000) % 60,
900  time % 1000, s->pts);
901  draw_text(s, frame, &color, 4, 4, buf);
902  }
903 }
904 static av_cold int test2_init(AVFilterContext *ctx)
905 {
906  TestSourceContext *s = ctx->priv;
907 
908  s->fill_picture_fn = test2_fill_picture;
909  return init(ctx);
910 }
911 
912 static int test2_query_formats(AVFilterContext *ctx)
913 {
915 }
916 
917 static int test2_config_props(AVFilterLink *inlink)
918 {
919  AVFilterContext *ctx = inlink->src;
920  TestSourceContext *s = ctx->priv;
921 
922  av_assert0(ff_draw_init(&s->draw, inlink->format, 0) >= 0);
923  s->w = ff_draw_round_to_sub(&s->draw, 0, -1, s->w);
924  s->h = ff_draw_round_to_sub(&s->draw, 1, -1, s->h);
925  if (av_image_check_size(s->w, s->h, 0, ctx) < 0)
926  return AVERROR(EINVAL);
927  return config_props(inlink);
928 }
929 
930 static const AVFilterPad avfilter_vsrc_testsrc2_outputs[] = {
931  {
932  .name = "default",
933  .type = AVMEDIA_TYPE_VIDEO,
934  .request_frame = request_frame,
935  .config_props = test2_config_props,
936  },
937  { NULL }
938 };
939 
941  .name = "testsrc2",
942  .description = NULL_IF_CONFIG_SMALL("Generate another test pattern."),
943  .priv_size = sizeof(TestSourceContext),
944  .priv_class = &testsrc2_class,
945  .init = test2_init,
946  .uninit = uninit,
947  .query_formats = test2_query_formats,
948  .inputs = NULL,
949  .outputs = avfilter_vsrc_testsrc2_outputs,
950 };
951 
952 #endif /* CONFIG_TESTSRC2_FILTER */
953 
954 #if CONFIG_RGBTESTSRC_FILTER
955 
956 #define rgbtestsrc_options options
957 AVFILTER_DEFINE_CLASS(rgbtestsrc);
958 
959 #define R 0
960 #define G 1
961 #define B 2
962 #define A 3
963 
964 static void rgbtest_put_pixel(uint8_t *dst, int dst_linesize,
965  int x, int y, unsigned r, unsigned g, unsigned b, enum AVPixelFormat fmt,
966  uint8_t rgba_map[4])
967 {
968  uint32_t v;
969  uint8_t *p;
970 
971  switch (fmt) {
972  case AV_PIX_FMT_BGR444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r >> 4) << 8) | ((g >> 4) << 4) | (b >> 4); break;
973  case AV_PIX_FMT_RGB444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b >> 4) << 8) | ((g >> 4) << 4) | (r >> 4); break;
974  case AV_PIX_FMT_BGR555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<10) | ((g>>3)<<5) | (b>>3); break;
975  case AV_PIX_FMT_RGB555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<10) | ((g>>3)<<5) | (r>>3); break;
976  case AV_PIX_FMT_BGR565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<11) | ((g>>2)<<5) | (b>>3); break;
977  case AV_PIX_FMT_RGB565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<11) | ((g>>2)<<5) | (r>>3); break;
978  case AV_PIX_FMT_RGB24:
979  case AV_PIX_FMT_BGR24:
980  v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8));
981  p = dst + 3*x + y*dst_linesize;
982  AV_WL24(p, v);
983  break;
984  case AV_PIX_FMT_RGBA:
985  case AV_PIX_FMT_BGRA:
986  case AV_PIX_FMT_ARGB:
987  case AV_PIX_FMT_ABGR:
988  v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8)) + (255U << (rgba_map[A]*8));
989  p = dst + 4*x + y*dst_linesize;
990  AV_WL32(p, v);
991  break;
992  }
993 }
994 
995 static void rgbtest_fill_picture(AVFilterContext *ctx, AVFrame *frame)
996 {
997  TestSourceContext *test = ctx->priv;
998  int x, y, w = frame->width, h = frame->height;
999 
1000  for (y = 0; y < h; y++) {
1001  for (x = 0; x < w; x++) {
1002  int c = 256*x/w;
1003  int r = 0, g = 0, b = 0;
1004 
1005  if (3*y < h ) r = c;
1006  else if (3*y < 2*h) g = c;
1007  else b = c;
1008 
1009  rgbtest_put_pixel(frame->data[0], frame->linesize[0], x, y, r, g, b,
1010  ctx->outputs[0]->format, test->rgba_map);
1011  }
1012  }
1013 }
1014 
1015 static av_cold int rgbtest_init(AVFilterContext *ctx)
1016 {
1017  TestSourceContext *test = ctx->priv;
1018 
1019  test->draw_once = 1;
1020  test->fill_picture_fn = rgbtest_fill_picture;
1021  return init(ctx);
1022 }
1023 
1024 static int rgbtest_query_formats(AVFilterContext *ctx)
1025 {
1026  static const enum AVPixelFormat pix_fmts[] = {
1033  };
1034 
1035  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
1036  if (!fmts_list)
1037  return AVERROR(ENOMEM);
1038  return ff_set_common_formats(ctx, fmts_list);
1039 }
1040 
1041 static int rgbtest_config_props(AVFilterLink *outlink)
1042 {
1043  TestSourceContext *test = outlink->src->priv;
1044 
1045  ff_fill_rgba_map(test->rgba_map, outlink->format);
1046  return config_props(outlink);
1047 }
1048 
1049 static const AVFilterPad avfilter_vsrc_rgbtestsrc_outputs[] = {
1050  {
1051  .name = "default",
1052  .type = AVMEDIA_TYPE_VIDEO,
1053  .request_frame = request_frame,
1054  .config_props = rgbtest_config_props,
1055  },
1056  { NULL }
1057 };
1058 
1060  .name = "rgbtestsrc",
1061  .description = NULL_IF_CONFIG_SMALL("Generate RGB test pattern."),
1062  .priv_size = sizeof(TestSourceContext),
1063  .priv_class = &rgbtestsrc_class,
1064  .init = rgbtest_init,
1065  .uninit = uninit,
1066  .query_formats = rgbtest_query_formats,
1067  .inputs = NULL,
1068  .outputs = avfilter_vsrc_rgbtestsrc_outputs,
1069 };
1070 
1071 #endif /* CONFIG_RGBTESTSRC_FILTER */
1072 
1073 #if CONFIG_YUVTESTSRC_FILTER
1074 
1075 #define yuvtestsrc_options options
1076 AVFILTER_DEFINE_CLASS(yuvtestsrc);
1077 
1078 static void yuvtest_fill_picture8(AVFilterContext *ctx, AVFrame *frame)
1079 {
1080  int x, y, w = frame->width, h = frame->height / 3;
1082  const int factor = 1 << desc->comp[0].depth;
1083  const int mid = 1 << (desc->comp[0].depth - 1);
1084  uint8_t *ydst = frame->data[0];
1085  uint8_t *udst = frame->data[1];
1086  uint8_t *vdst = frame->data[2];
1087  int ylinesize = frame->linesize[0];
1088  int ulinesize = frame->linesize[1];
1089  int vlinesize = frame->linesize[2];
1090 
1091  for (y = 0; y < h; y++) {
1092  for (x = 0; x < w; x++) {
1093  int c = factor * x / w;
1094 
1095  ydst[x] = c;
1096  udst[x] = mid;
1097  vdst[x] = mid;
1098  }
1099 
1100  ydst += ylinesize;
1101  udst += ulinesize;
1102  vdst += vlinesize;
1103  }
1104 
1105  h += h;
1106  for (; y < h; y++) {
1107  for (x = 0; x < w; x++) {
1108  int c = factor * x / w;
1109 
1110  ydst[x] = mid;
1111  udst[x] = c;
1112  vdst[x] = mid;
1113  }
1114 
1115  ydst += ylinesize;
1116  udst += ulinesize;
1117  vdst += vlinesize;
1118  }
1119 
1120  for (; y < frame->height; y++) {
1121  for (x = 0; x < w; x++) {
1122  int c = factor * x / w;
1123 
1124  ydst[x] = mid;
1125  udst[x] = mid;
1126  vdst[x] = c;
1127  }
1128 
1129  ydst += ylinesize;
1130  udst += ulinesize;
1131  vdst += vlinesize;
1132  }
1133 }
1134 
1135 static void yuvtest_fill_picture16(AVFilterContext *ctx, AVFrame *frame)
1136 {
1137  int x, y, w = frame->width, h = frame->height / 3;
1139  const int factor = 1 << desc->comp[0].depth;
1140  const int mid = 1 << (desc->comp[0].depth - 1);
1141  uint16_t *ydst = (uint16_t *)frame->data[0];
1142  uint16_t *udst = (uint16_t *)frame->data[1];
1143  uint16_t *vdst = (uint16_t *)frame->data[2];
1144  int ylinesize = frame->linesize[0] / 2;
1145  int ulinesize = frame->linesize[1] / 2;
1146  int vlinesize = frame->linesize[2] / 2;
1147 
1148  for (y = 0; y < h; y++) {
1149  for (x = 0; x < w; x++) {
1150  int c = factor * x / w;
1151 
1152  ydst[x] = c;
1153  udst[x] = mid;
1154  vdst[x] = mid;
1155  }
1156 
1157  ydst += ylinesize;
1158  udst += ulinesize;
1159  vdst += vlinesize;
1160  }
1161 
1162  h += h;
1163  for (; y < h; y++) {
1164  for (x = 0; x < w; x++) {
1165  int c = factor * x / w;
1166 
1167  ydst[x] = mid;
1168  udst[x] = c;
1169  vdst[x] = mid;
1170  }
1171 
1172  ydst += ylinesize;
1173  udst += ulinesize;
1174  vdst += vlinesize;
1175  }
1176 
1177  for (; y < frame->height; y++) {
1178  for (x = 0; x < w; x++) {
1179  int c = factor * x / w;
1180 
1181  ydst[x] = mid;
1182  udst[x] = mid;
1183  vdst[x] = c;
1184  }
1185 
1186  ydst += ylinesize;
1187  udst += ulinesize;
1188  vdst += vlinesize;
1189  }
1190 }
1191 
1192 static av_cold int yuvtest_init(AVFilterContext *ctx)
1193 {
1194  TestSourceContext *test = ctx->priv;
1195 
1196  test->draw_once = 1;
1197  return init(ctx);
1198 }
1199 
1200 static int yuvtest_query_formats(AVFilterContext *ctx)
1201 {
1202  static const enum AVPixelFormat pix_fmts[] = {
1208  };
1209 
1210  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
1211  if (!fmts_list)
1212  return AVERROR(ENOMEM);
1213  return ff_set_common_formats(ctx, fmts_list);
1214 }
1215 
1216 static int yuvtest_config_props(AVFilterLink *outlink)
1217 {
1218  TestSourceContext *test = outlink->src->priv;
1220 
1221  test->fill_picture_fn = desc->comp[0].depth > 8 ? yuvtest_fill_picture16 : yuvtest_fill_picture8;
1222  return config_props(outlink);
1223 }
1224 
1225 static const AVFilterPad avfilter_vsrc_yuvtestsrc_outputs[] = {
1226  {
1227  .name = "default",
1228  .type = AVMEDIA_TYPE_VIDEO,
1229  .request_frame = request_frame,
1230  .config_props = yuvtest_config_props,
1231  },
1232  { NULL }
1233 };
1234 
1236  .name = "yuvtestsrc",
1237  .description = NULL_IF_CONFIG_SMALL("Generate YUV test pattern."),
1238  .priv_size = sizeof(TestSourceContext),
1239  .priv_class = &yuvtestsrc_class,
1240  .init = yuvtest_init,
1241  .uninit = uninit,
1242  .query_formats = yuvtest_query_formats,
1243  .inputs = NULL,
1244  .outputs = avfilter_vsrc_yuvtestsrc_outputs,
1245 };
1246 
1247 #endif /* CONFIG_YUVTESTSRC_FILTER */
1248 
1249 #if CONFIG_PAL75BARS_FILTER || CONFIG_PAL100BARS_FILTER || CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER
1250 
1251 static const uint8_t rainbow[7][4] = {
1252  { 180, 128, 128, 255 }, /* 75% white */
1253  { 162, 44, 142, 255 }, /* 75% yellow */
1254  { 131, 156, 44, 255 }, /* 75% cyan */
1255  { 112, 72, 58, 255 }, /* 75% green */
1256  { 84, 184, 198, 255 }, /* 75% magenta */
1257  { 65, 100, 212, 255 }, /* 75% red */
1258  { 35, 212, 114, 255 }, /* 75% blue */
1259 };
1260 
1261 static const uint8_t rainbow100[7][4] = {
1262  { 235, 128, 128, 255 }, /* 100% white */
1263  { 210, 16, 146, 255 }, /* 100% yellow */
1264  { 170, 166, 16, 255 }, /* 100% cyan */
1265  { 145, 54, 34, 255 }, /* 100% green */
1266  { 106, 202, 222, 255 }, /* 100% magenta */
1267  { 81, 90, 240, 255 }, /* 100% red */
1268  { 41, 240, 110, 255 }, /* 100% blue */
1269 };
1270 
1271 static const uint8_t rainbowhd[7][4] = {
1272  { 180, 128, 128, 255 }, /* 75% white */
1273  { 168, 44, 136, 255 }, /* 75% yellow */
1274  { 145, 147, 44, 255 }, /* 75% cyan */
1275  { 133, 63, 52, 255 }, /* 75% green */
1276  { 63, 193, 204, 255 }, /* 75% magenta */
1277  { 51, 109, 212, 255 }, /* 75% red */
1278  { 28, 212, 120, 255 }, /* 75% blue */
1279 };
1280 
1281 static const uint8_t wobnair[7][4] = {
1282  { 35, 212, 114, 255 }, /* 75% blue */
1283  { 19, 128, 128, 255 }, /* 7.5% intensity black */
1284  { 84, 184, 198, 255 }, /* 75% magenta */
1285  { 19, 128, 128, 255 }, /* 7.5% intensity black */
1286  { 131, 156, 44, 255 }, /* 75% cyan */
1287  { 19, 128, 128, 255 }, /* 7.5% intensity black */
1288  { 180, 128, 128, 255 }, /* 75% white */
1289 };
1290 
1291 static const uint8_t white[4] = { 235, 128, 128, 255 };
1292 
1293 /* pluge pulses */
1294 static const uint8_t neg4ire[4] = { 7, 128, 128, 255 };
1295 static const uint8_t pos4ire[4] = { 24, 128, 128, 255 };
1296 
1297 /* fudged Q/-I */
1298 static const uint8_t i_pixel[4] = { 57, 156, 97, 255 };
1299 static const uint8_t q_pixel[4] = { 44, 171, 147, 255 };
1300 
1301 static const uint8_t gray40[4] = { 104, 128, 128, 255 };
1302 static const uint8_t gray15[4] = { 49, 128, 128, 255 };
1303 static const uint8_t cyan[4] = { 188, 154, 16, 255 };
1304 static const uint8_t yellow[4] = { 219, 16, 138, 255 };
1305 static const uint8_t blue[4] = { 32, 240, 118, 255 };
1306 static const uint8_t red[4] = { 63, 102, 240, 255 };
1307 static const uint8_t black0[4] = { 16, 128, 128, 255 };
1308 static const uint8_t black2[4] = { 20, 128, 128, 255 };
1309 static const uint8_t black4[4] = { 25, 128, 128, 255 };
1310 static const uint8_t neg2[4] = { 12, 128, 128, 255 };
1311 
1312 static void draw_bar(TestSourceContext *test, const uint8_t color[4],
1313  int x, int y, int w, int h,
1314  AVFrame *frame)
1315 {
1317  uint8_t *p, *p0;
1318  int plane;
1319 
1320  x = FFMIN(x, test->w - 1);
1321  y = FFMIN(y, test->h - 1);
1322  w = FFMAX(FFMIN(w, test->w - x), 0);
1323  h = FFMAX(FFMIN(h, test->h - y), 0);
1324 
1325  av_assert0(x + w <= test->w);
1326  av_assert0(y + h <= test->h);
1327 
1328  for (plane = 0; frame->data[plane]; plane++) {
1329  const int c = color[plane];
1330  const int linesize = frame->linesize[plane];
1331  int i, px, py, pw, ph;
1332 
1333  if (plane == 1 || plane == 2) {
1334  px = x >> desc->log2_chroma_w;
1335  pw = AV_CEIL_RSHIFT(w, desc->log2_chroma_w);
1336  py = y >> desc->log2_chroma_h;
1337  ph = AV_CEIL_RSHIFT(h, desc->log2_chroma_h);
1338  } else {
1339  px = x;
1340  pw = w;
1341  py = y;
1342  ph = h;
1343  }
1344 
1345  p0 = p = frame->data[plane] + py * linesize + px;
1346  memset(p, c, pw);
1347  p += linesize;
1348  for (i = 1; i < ph; i++, p += linesize)
1349  memcpy(p, p0, pw);
1350  }
1351 }
1352 
1353 static int smptebars_query_formats(AVFilterContext *ctx)
1354 {
1355  static const enum AVPixelFormat pix_fmts[] = {
1360  };
1361 
1362  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
1363  if (!fmts_list)
1364  return AVERROR(ENOMEM);
1365  return ff_set_common_formats(ctx, fmts_list);
1366 }
1367 
1368 static const AVFilterPad smptebars_outputs[] = {
1369  {
1370  .name = "default",
1371  .type = AVMEDIA_TYPE_VIDEO,
1372  .request_frame = request_frame,
1373  .config_props = config_props,
1374  },
1375  { NULL }
1376 };
1377 
1378 #if CONFIG_PAL75BARS_FILTER
1379 
1380 #define pal75bars_options options
1381 AVFILTER_DEFINE_CLASS(pal75bars);
1382 
1383 static void pal75bars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
1384 {
1385  TestSourceContext *test = ctx->priv;
1386  int r_w, i, x = 0;
1387  const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
1388 
1389  picref->color_range = AVCOL_RANGE_MPEG;
1390  picref->colorspace = AVCOL_SPC_BT470BG;
1391 
1392  r_w = FFALIGN((test->w + 7) / 8, 1 << pixdesc->log2_chroma_w);
1393 
1394  draw_bar(test, white, x, 0, r_w, test->h, picref);
1395  x += r_w;
1396  for (i = 1; i < 7; i++) {
1397  draw_bar(test, rainbow[i], x, 0, r_w, test->h, picref);
1398  x += r_w;
1399  }
1400  draw_bar(test, black0, x, 0, r_w, test->h, picref);
1401 }
1402 
1403 static av_cold int pal75bars_init(AVFilterContext *ctx)
1404 {
1405  TestSourceContext *test = ctx->priv;
1406 
1407  test->fill_picture_fn = pal75bars_fill_picture;
1408  test->draw_once = 1;
1409  return init(ctx);
1410 }
1411 
1413  .name = "pal75bars",
1414  .description = NULL_IF_CONFIG_SMALL("Generate PAL 75% color bars."),
1415  .priv_size = sizeof(TestSourceContext),
1416  .priv_class = &pal75bars_class,
1417  .init = pal75bars_init,
1418  .uninit = uninit,
1419  .query_formats = smptebars_query_formats,
1420  .inputs = NULL,
1421  .outputs = smptebars_outputs,
1422 };
1423 
1424 #endif /* CONFIG_PAL75BARS_FILTER */
1425 
1426 #if CONFIG_PAL100BARS_FILTER
1427 
1428 #define pal100bars_options options
1429 AVFILTER_DEFINE_CLASS(pal100bars);
1430 
1431 static void pal100bars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
1432 {
1433  TestSourceContext *test = ctx->priv;
1434  int r_w, i, x = 0;
1435  const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
1436 
1437  picref->color_range = AVCOL_RANGE_MPEG;
1438  picref->colorspace = AVCOL_SPC_BT470BG;
1439 
1440  r_w = FFALIGN((test->w + 7) / 8, 1 << pixdesc->log2_chroma_w);
1441 
1442  for (i = 0; i < 7; i++) {
1443  draw_bar(test, rainbow100[i], x, 0, r_w, test->h, picref);
1444  x += r_w;
1445  }
1446  draw_bar(test, black0, x, 0, r_w, test->h, picref);
1447 }
1448 
1449 static av_cold int pal100bars_init(AVFilterContext *ctx)
1450 {
1451  TestSourceContext *test = ctx->priv;
1452 
1453  test->fill_picture_fn = pal100bars_fill_picture;
1454  test->draw_once = 1;
1455  return init(ctx);
1456 }
1457 
1459  .name = "pal100bars",
1460  .description = NULL_IF_CONFIG_SMALL("Generate PAL 100% color bars."),
1461  .priv_size = sizeof(TestSourceContext),
1462  .priv_class = &pal100bars_class,
1463  .init = pal100bars_init,
1464  .uninit = uninit,
1465  .query_formats = smptebars_query_formats,
1466  .inputs = NULL,
1467  .outputs = smptebars_outputs,
1468 };
1469 
1470 #endif /* CONFIG_PAL100BARS_FILTER */
1471 
1472 #if CONFIG_SMPTEBARS_FILTER
1473 
1474 #define smptebars_options options
1475 AVFILTER_DEFINE_CLASS(smptebars);
1476 
1477 static void smptebars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
1478 {
1479  TestSourceContext *test = ctx->priv;
1480  int r_w, r_h, w_h, p_w, p_h, i, tmp, x = 0;
1481  const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
1482 
1483  picref->colorspace = AVCOL_SPC_BT470BG;
1484 
1485  r_w = FFALIGN((test->w + 6) / 7, 1 << pixdesc->log2_chroma_w);
1486  r_h = FFALIGN(test->h * 2 / 3, 1 << pixdesc->log2_chroma_h);
1487  w_h = FFALIGN(test->h * 3 / 4 - r_h, 1 << pixdesc->log2_chroma_h);
1488  p_w = FFALIGN(r_w * 5 / 4, 1 << pixdesc->log2_chroma_w);
1489  p_h = test->h - w_h - r_h;
1490 
1491  for (i = 0; i < 7; i++) {
1492  draw_bar(test, rainbow[i], x, 0, r_w, r_h, picref);
1493  draw_bar(test, wobnair[i], x, r_h, r_w, w_h, picref);
1494  x += r_w;
1495  }
1496  x = 0;
1497  draw_bar(test, i_pixel, x, r_h + w_h, p_w, p_h, picref);
1498  x += p_w;
1499  draw_bar(test, white, x, r_h + w_h, p_w, p_h, picref);
1500  x += p_w;
1501  draw_bar(test, q_pixel, x, r_h + w_h, p_w, p_h, picref);
1502  x += p_w;
1503  tmp = FFALIGN(5 * r_w - x, 1 << pixdesc->log2_chroma_w);
1504  draw_bar(test, black0, x, r_h + w_h, tmp, p_h, picref);
1505  x += tmp;
1506  tmp = FFALIGN(r_w / 3, 1 << pixdesc->log2_chroma_w);
1507  draw_bar(test, neg4ire, x, r_h + w_h, tmp, p_h, picref);
1508  x += tmp;
1509  draw_bar(test, black0, x, r_h + w_h, tmp, p_h, picref);
1510  x += tmp;
1511  draw_bar(test, pos4ire, x, r_h + w_h, tmp, p_h, picref);
1512  x += tmp;
1513  draw_bar(test, black0, x, r_h + w_h, test->w - x, p_h, picref);
1514 }
1515 
1516 static av_cold int smptebars_init(AVFilterContext *ctx)
1517 {
1518  TestSourceContext *test = ctx->priv;
1519 
1520  test->fill_picture_fn = smptebars_fill_picture;
1521  test->draw_once = 1;
1522  return init(ctx);
1523 }
1524 
1526  .name = "smptebars",
1527  .description = NULL_IF_CONFIG_SMALL("Generate SMPTE color bars."),
1528  .priv_size = sizeof(TestSourceContext),
1529  .priv_class = &smptebars_class,
1530  .init = smptebars_init,
1531  .uninit = uninit,
1532  .query_formats = smptebars_query_formats,
1533  .inputs = NULL,
1534  .outputs = smptebars_outputs,
1535 };
1536 
1537 #endif /* CONFIG_SMPTEBARS_FILTER */
1538 
1539 #if CONFIG_SMPTEHDBARS_FILTER
1540 
1541 #define smptehdbars_options options
1542 AVFILTER_DEFINE_CLASS(smptehdbars);
1543 
1544 static void smptehdbars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
1545 {
1546  TestSourceContext *test = ctx->priv;
1547  int d_w, r_w, r_h, l_w, i, tmp, x = 0, y = 0;
1548  const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
1549 
1550  picref->colorspace = AVCOL_SPC_BT709;
1551 
1552  d_w = FFALIGN(test->w / 8, 1 << pixdesc->log2_chroma_w);
1553  r_h = FFALIGN(test->h * 7 / 12, 1 << pixdesc->log2_chroma_h);
1554  draw_bar(test, gray40, x, 0, d_w, r_h, picref);
1555  x += d_w;
1556 
1557  r_w = FFALIGN((((test->w + 3) / 4) * 3) / 7, 1 << pixdesc->log2_chroma_w);
1558  for (i = 0; i < 7; i++) {
1559  draw_bar(test, rainbowhd[i], x, 0, r_w, r_h, picref);
1560  x += r_w;
1561  }
1562  draw_bar(test, gray40, x, 0, test->w - x, r_h, picref);
1563  y = r_h;
1564  r_h = FFALIGN(test->h / 12, 1 << pixdesc->log2_chroma_h);
1565  draw_bar(test, cyan, 0, y, d_w, r_h, picref);
1566  x = d_w;
1567  draw_bar(test, i_pixel, x, y, r_w, r_h, picref);
1568  x += r_w;
1569  tmp = r_w * 6;
1570  draw_bar(test, rainbowhd[0], x, y, tmp, r_h, picref);
1571  x += tmp;
1572  l_w = x;
1573  draw_bar(test, blue, x, y, test->w - x, r_h, picref);
1574  y += r_h;
1575  draw_bar(test, yellow, 0, y, d_w, r_h, picref);
1576  x = d_w;
1577  draw_bar(test, q_pixel, x, y, r_w, r_h, picref);
1578  x += r_w;
1579 
1580  for (i = 0; i < tmp; i += 1 << pixdesc->log2_chroma_w) {
1581  uint8_t yramp[4] = {0};
1582 
1583  yramp[0] = i * 255 / tmp;
1584  yramp[1] = 128;
1585  yramp[2] = 128;
1586  yramp[3] = 255;
1587 
1588  draw_bar(test, yramp, x, y, 1 << pixdesc->log2_chroma_w, r_h, picref);
1589  x += 1 << pixdesc->log2_chroma_w;
1590  }
1591  draw_bar(test, red, x, y, test->w - x, r_h, picref);
1592  y += r_h;
1593  draw_bar(test, gray15, 0, y, d_w, test->h - y, picref);
1594  x = d_w;
1595  tmp = FFALIGN(r_w * 3 / 2, 1 << pixdesc->log2_chroma_w);
1596  draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1597  x += tmp;
1598  tmp = FFALIGN(r_w * 2, 1 << pixdesc->log2_chroma_w);
1599  draw_bar(test, white, x, y, tmp, test->h - y, picref);
1600  x += tmp;
1601  tmp = FFALIGN(r_w * 5 / 6, 1 << pixdesc->log2_chroma_w);
1602  draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1603  x += tmp;
1604  tmp = FFALIGN(r_w / 3, 1 << pixdesc->log2_chroma_w);
1605  draw_bar(test, neg2, x, y, tmp, test->h - y, picref);
1606  x += tmp;
1607  draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1608  x += tmp;
1609  draw_bar(test, black2, x, y, tmp, test->h - y, picref);
1610  x += tmp;
1611  draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1612  x += tmp;
1613  draw_bar(test, black4, x, y, tmp, test->h - y, picref);
1614  x += tmp;
1615  r_w = l_w - x;
1616  draw_bar(test, black0, x, y, r_w, test->h - y, picref);
1617  x += r_w;
1618  draw_bar(test, gray15, x, y, test->w - x, test->h - y, picref);
1619 }
1620 
1621 static av_cold int smptehdbars_init(AVFilterContext *ctx)
1622 {
1623  TestSourceContext *test = ctx->priv;
1624 
1625  test->fill_picture_fn = smptehdbars_fill_picture;
1626  test->draw_once = 1;
1627  return init(ctx);
1628 }
1629 
1631  .name = "smptehdbars",
1632  .description = NULL_IF_CONFIG_SMALL("Generate SMPTE HD color bars."),
1633  .priv_size = sizeof(TestSourceContext),
1634  .priv_class = &smptehdbars_class,
1635  .init = smptehdbars_init,
1636  .uninit = uninit,
1637  .query_formats = smptebars_query_formats,
1638  .inputs = NULL,
1639  .outputs = smptebars_outputs,
1640 };
1641 
1642 #endif /* CONFIG_SMPTEHDBARS_FILTER */
1643 #endif /* CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER */
1644 
1645 #if CONFIG_ALLYUV_FILTER
1646 
1647 static const AVOption allyuv_options[] = {
1649  { NULL }
1650 };
1651 
1652 AVFILTER_DEFINE_CLASS(allyuv);
1653 
1654 static void allyuv_fill_picture(AVFilterContext *ctx, AVFrame *frame)
1655 {
1656  const int ys = frame->linesize[0];
1657  const int us = frame->linesize[1];
1658  const int vs = frame->linesize[2];
1659  int x, y, j;
1660 
1661  for (y = 0; y < 4096; y++) {
1662  for (x = 0; x < 2048; x++) {
1663  frame->data[0][y * ys + x] = ((x / 8) % 256);
1664  frame->data[0][y * ys + 4095 - x] = ((x / 8) % 256);
1665  }
1666 
1667  for (x = 0; x < 2048; x+=8) {
1668  for (j = 0; j < 8; j++) {
1669  frame->data[1][vs * y + x + j] = (y%16 + (j % 8) * 16);
1670  frame->data[1][vs * y + 4095 - x - j] = (128 + y%16 + (j % 8) * 16);
1671  }
1672  }
1673 
1674  for (x = 0; x < 4096; x++)
1675  frame->data[2][y * us + x] = 256 * y / 4096;
1676  }
1677 }
1678 
1679 static av_cold int allyuv_init(AVFilterContext *ctx)
1680 {
1681  TestSourceContext *test = ctx->priv;
1682 
1683  test->w = test->h = 4096;
1684  test->draw_once = 1;
1685  test->fill_picture_fn = allyuv_fill_picture;
1686  return init(ctx);
1687 }
1688 
1689 static int allyuv_query_formats(AVFilterContext *ctx)
1690 {
1691  static const enum AVPixelFormat pix_fmts[] = {
1694  };
1695 
1696  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
1697  if (!fmts_list)
1698  return AVERROR(ENOMEM);
1699  return ff_set_common_formats(ctx, fmts_list);
1700 }
1701 
1702 static const AVFilterPad avfilter_vsrc_allyuv_outputs[] = {
1703  {
1704  .name = "default",
1705  .type = AVMEDIA_TYPE_VIDEO,
1706  .request_frame = request_frame,
1707  .config_props = config_props,
1708  },
1709  { NULL }
1710 };
1711 
1713  .name = "allyuv",
1714  .description = NULL_IF_CONFIG_SMALL("Generate all yuv colors."),
1715  .priv_size = sizeof(TestSourceContext),
1716  .priv_class = &allyuv_class,
1717  .init = allyuv_init,
1718  .uninit = uninit,
1719  .query_formats = allyuv_query_formats,
1720  .inputs = NULL,
1721  .outputs = avfilter_vsrc_allyuv_outputs,
1722 };
1723 
1724 #endif /* CONFIG_ALLYUV_FILTER */
1725 
1726 #if CONFIG_ALLRGB_FILTER
1727 
1728 static const AVOption allrgb_options[] = {
1730  { NULL }
1731 };
1732 
1733 AVFILTER_DEFINE_CLASS(allrgb);
1734 
1735 static void allrgb_fill_picture(AVFilterContext *ctx, AVFrame *frame)
1736 {
1737  unsigned x, y;
1738  const int linesize = frame->linesize[0];
1739  uint8_t *line = frame->data[0];
1740 
1741  for (y = 0; y < 4096; y++) {
1742  uint8_t *dst = line;
1743 
1744  for (x = 0; x < 4096; x++) {
1745  *dst++ = x;
1746  *dst++ = y;
1747  *dst++ = (x >> 8) | ((y >> 8) << 4);
1748  }
1749  line += linesize;
1750  }
1751 }
1752 
1753 static av_cold int allrgb_init(AVFilterContext *ctx)
1754 {
1755  TestSourceContext *test = ctx->priv;
1756 
1757  test->w = test->h = 4096;
1758  test->draw_once = 1;
1759  test->fill_picture_fn = allrgb_fill_picture;
1760  return init(ctx);
1761 }
1762 
1763 static int allrgb_config_props(AVFilterLink *outlink)
1764 {
1765  TestSourceContext *test = outlink->src->priv;
1766 
1767  ff_fill_rgba_map(test->rgba_map, outlink->format);
1768  return config_props(outlink);
1769 }
1770 
1771 static int allrgb_query_formats(AVFilterContext *ctx)
1772 {
1773  static const enum AVPixelFormat pix_fmts[] = {
1775  };
1776 
1777  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
1778  if (!fmts_list)
1779  return AVERROR(ENOMEM);
1780  return ff_set_common_formats(ctx, fmts_list);
1781 }
1782 
1783 static const AVFilterPad avfilter_vsrc_allrgb_outputs[] = {
1784  {
1785  .name = "default",
1786  .type = AVMEDIA_TYPE_VIDEO,
1787  .request_frame = request_frame,
1788  .config_props = allrgb_config_props,
1789  },
1790  { NULL }
1791 };
1792 
1794  .name = "allrgb",
1795  .description = NULL_IF_CONFIG_SMALL("Generate all RGB colors."),
1796  .priv_size = sizeof(TestSourceContext),
1797  .priv_class = &allrgb_class,
1798  .init = allrgb_init,
1799  .uninit = uninit,
1800  .query_formats = allrgb_query_formats,
1801  .inputs = NULL,
1802  .outputs = avfilter_vsrc_allrgb_outputs,
1803 };
1804 
1805 #endif /* CONFIG_ALLRGB_FILTER */
also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
Definition: pixfmt.h:511
AVFilterFormats * ff_draw_supported_pixel_formats(unsigned flags)
Return the list of pixel formats supported by the draw functions.
Definition: drawutils.c:731
#define NULL
Definition: coverity.c:32
int size
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2549
This structure describes decoded (raw) audio or video data.
Definition: frame.h:300
AVFilter ff_vsrc_smptehdbars
AVOption.
Definition: opt.h:246
AVFilter ff_vsrc_allyuv
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:407
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
misc image utilities
Main libavfilter public API header.
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:68
const char * g
Definition: vf_curves.c:115
const char * desc
Definition: nvenc.c:79
#define AV_PIX_FMT_RGBA64
Definition: pixfmt.h:387
also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601 ...
Definition: pixfmt.h:515
static void draw_rectangle(AVFormatContext *s)
Definition: xcbgrab.c:612
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
int num
Numerator.
Definition: rational.h:59
const char * b
Definition: vf_curves.c:116
AVFilter ff_vsrc_pal100bars
#define us(width, name, range_min, range_max, subs,...)
Definition: cbs_h2645.c:276
static av_cold void uninit(AVFilterContext *ctx)
Definition: vsrc_testsrc.c:121
#define AV_PIX_FMT_BGRA64
Definition: pixfmt.h:392
#define COMMON_OPTIONS_NOSIZE
Definition: vsrc_testsrc.c:92
const uint8_t avpriv_vga16_font[4096]
packed BGR 8:8:8, 32bpp, XBGRXBGR... X=unused/undefined
Definition: pixfmt.h:239
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
int draw_once
draw only the first frame, always put out the same picture
Definition: vsrc_testsrc.c:60
#define AV_PIX_FMT_RGB444
Definition: pixfmt.h:386
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:300
static av_cold int init(AVFilterContext *ctx)
Definition: vsrc_testsrc.c:106
AVFilter ff_vsrc_testsrc
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:719
const char * name
Pad name.
Definition: internal.h:60
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
int draw_once_reset
draw only the first frame or in case of reset
Definition: vsrc_testsrc.c:61
AVFilter ff_vsrc_nullsrc
#define AV_WL24(p, d)
Definition: intreadwrite.h:464
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1075
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t
#define av_cold
Definition: attributes.h:88
packed RGB 8:8:8, 32bpp, RGBXRGBX... X=unused/undefined
Definition: pixfmt.h:238
AVOptions.
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:393
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Definition: pixfmt.h:94
static AVFrame * frame
const char data[16]
Definition: mxf.c:91
#define height
static double av_q2d(AVRational a)
Convert an AVRational to a double.
Definition: rational.h:104
static int request_frame(AVFilterLink *outlink)
Definition: vsrc_testsrc.c:141
#define AVERROR_EOF
End of file.
Definition: error.h:55
#define AV_PIX_FMT_BGR48
Definition: pixfmt.h:388
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:410
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:447
#define A(x)
Definition: vp56_arith.h:28
#define FFALIGN(x, a)
Definition: macros.h:48
#define av_log(a,...)
A filter pad used for either input or output.
Definition: internal.h:54
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
#define U(x)
Definition: vp56_arith.h:37
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
static av_always_inline double ff_exp10(double x)
Compute 10^x for floating point values.
Definition: ffmath.h:42
int width
Definition: frame.h:358
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:605
#define R
Definition: huffyuvdsp.h:34
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
AVFilter ff_vsrc_pal75bars
static const uint16_t mask[17]
Definition: lzw.c:38
#define AVERROR(e)
Definition: error.h:43
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:203
#define B
Definition: huffyuvdsp.h:32
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:188
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition: pixfmt.h:95
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:869
const char * r
Definition: vf_curves.c:114
void * priv
private data for use by the filter
Definition: avfilter.h:353
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:2514
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: frame.h:544
unsigned int pos
Definition: spdifenc.c:412
void ff_draw_color(FFDrawContext *draw, FFDrawColor *color, const uint8_t rgba[4])
Prepare a color.
Definition: drawutils.c:231
enum AVColorSpace colorspace
YUV colorspace type.
Definition: frame.h:555
Definition: graph2dot.c:48
#define AV_PIX_FMT_RGB48
Definition: pixfmt.h:383
simple assert() macros that are a bit more flexible than ISO C assert().
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:400
#define COMMON_OPTIONS
Definition: vsrc_testsrc.c:99
#define FFMAX(a, b)
Definition: common.h:94
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
Definition: pixfmt.h:92
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition: pixfmt.h:93
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
AVRational sar
sample aspect ratio
Definition: vsrc_testsrc.c:59
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:282
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:383
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
#define FFMIN(a, b)
Definition: common.h:96
#define width
int64_t duration
duration expressed in microseconds
Definition: vsrc_testsrc.c:58
#define FLAGSR
Definition: vsrc_testsrc.c:86
static int config_props(AVFilterLink *outlink)
Definition: vsrc_testsrc.c:128
AVFormatContext * ctx
Definition: movenc.c:48
#define s(width, name)
Definition: cbs_vp9.c:257
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:69
#define FLAGS
Definition: vsrc_testsrc.c:85
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
AVFilter ff_vsrc_testsrc2
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
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:396
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:541
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
#define FF_ARRAY_ELEMS(a)
int ff_fill_rgba_map(uint8_t *rgba_map, enum AVPixelFormat pix_fmt)
Definition: drawutils.c:35
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:622
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:373
#define AV_PIX_FMT_BGR555
Definition: pixfmt.h:390
void(* fill_picture_fn)(AVFilterContext *ctx, AVFrame *frame)
Definition: vsrc_testsrc.c:64
uint8_t color_rgba[4]
Definition: vsrc_testsrc.c:75
misc drawing utilities
typedef void(RENAME(mix_any_func_type))
#define AV_TIME_BASE_Q
Internal time base represented as fractional value.
Definition: avutil.h:260
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:331
static void draw_text(FFDrawContext *draw, AVFrame *frame, FFDrawColor *color, int x0, int y0, const uint8_t *text, int vertical)
Definition: vf_datascope.c:84
static void test(const char *pattern, const char *host)
Definition: noproxy.c:23
static AVRational av_make_q(int num, int den)
Create an AVRational.
Definition: rational.h:71
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 rgba_map[4]
Definition: vsrc_testsrc.c:78
AVFilter ff_vsrc_haldclutsrc
long long int64_t
Definition: coverity.c:34
AVRational sample_aspect_ratio
Sample aspect ratio for the video frame, 0/1 if unknown/unspecified.
Definition: frame.h:388
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
AVRational frame_rate
Definition: vsrc_testsrc.c:56
Describe the class of an AVClass context structure.
Definition: log.h:67
Filter definition.
Definition: avfilter.h:144
int index
Definition: gxfenc.c:89
Rational number (pair of numerator and denominator).
Definition: rational.h:58
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:445
packed BGR 8:8:8, 32bpp, BGRXBGRX... X=unused/undefined
Definition: pixfmt.h:240
static const int factor[16]
Definition: vf_pp7.c:75
const char * name
Filter name.
Definition: avfilter.h:148
int ff_draw_init(FFDrawContext *draw, enum AVPixelFormat format, unsigned flags)
Init a draw context.
Definition: drawutils.c:178
#define snprintf
Definition: snprintf.h:34
AVFilter ff_vsrc_smptebars
misc parsing utilities
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:350
FFDrawColor color
Definition: vsrc_testsrc.c:74
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
#define AV_PIX_FMT_BGR565
Definition: pixfmt.h:389
#define flags(name, subs,...)
Definition: cbs_av1.c:576
AVFilter ff_vsrc_yuvtestsrc
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:404
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:314
AVRational time_base
Definition: vsrc_testsrc.c:56
the normal 219*2^(n-8) "MPEG" YUV ranges
Definition: pixfmt.h:534
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:159
internal math functions header
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
static int query_formats(AVFilterContext *ctx)
Definition: aeval.c:244
common internal and external API header
unsigned int nb_frame
Definition: vsrc_testsrc.c:55
#define G
Definition: huffyuvdsp.h:33
static double c[64]
#define AV_PIX_FMT_BGR444
Definition: pixfmt.h:391
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
static const AVOption options[]
Definition: vsrc_testsrc.c:101
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:385
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
int den
Denominator.
Definition: rational.h:60
AVFilter ff_vsrc_allrgb
#define AVFILTER_DEFINE_CLASS(fname)
Definition: internal.h:314
int key_frame
1 -> keyframe, 0-> not
Definition: frame.h:378
A list of supported formats for one end of a filter link.
Definition: formats.h:64
AVFilter ff_vsrc_color
#define OFFSET(x)
Definition: vsrc_testsrc.c:84
#define AV_PIX_FMT_RGB565
Definition: pixfmt.h:384
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:318
An instance of a filter.
Definition: avfilter.h:338
int height
Definition: frame.h:358
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
Definition: af_afftdn.c:1374
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
FFDrawContext draw
Definition: vsrc_testsrc.c:73
internal API functions
int depth
Number of bits in the component.
Definition: pixdesc.h:58
packed RGB 8:8:8, 32bpp, XRGBXRGB... X=unused/undefined
Definition: pixfmt.h:237
AVFrame * picref
cached reference containing the painted picture
Definition: vsrc_testsrc.c:62
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
static double val(void *priv, double ch)
Definition: aeval.c:76
Round toward zero.
Definition: mathematics.h:80
AVFilter ff_vsrc_rgbtestsrc
for(j=16;j >0;--j)
CGA/EGA/VGA ROM font data.
#define AV_WL32(p, v)
Definition: intreadwrite.h:426
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
static uint8_t tmp[11]
Definition: aes_ctr.c:26