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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;
57  int64_t pts;
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 
87 #define SIZE_OPTIONS \
88  { "size", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },\
89  { "s", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },\
90 
91 #define COMMON_OPTIONS_NOSIZE \
92  { "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, FLAGS },\
93  { "r", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, FLAGS },\
94  { "duration", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS },\
95  { "d", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS },\
96  { "sar", "set video sample aspect ratio", OFFSET(sar), AV_OPT_TYPE_RATIONAL, {.dbl= 1}, 0, INT_MAX, FLAGS },
97 
98 #define COMMON_OPTIONS SIZE_OPTIONS COMMON_OPTIONS_NOSIZE
99 
100 static const AVOption options[] = {
102  { NULL }
103 };
104 
106 {
107  TestSourceContext *test = ctx->priv;
108 
109  test->time_base = av_inv_q(test->frame_rate);
110  test->nb_frame = 0;
111  test->pts = 0;
112 
113  av_log(ctx, AV_LOG_VERBOSE, "size:%dx%d rate:%d/%d duration:%f sar:%d/%d\n",
114  test->w, test->h, test->frame_rate.num, test->frame_rate.den,
115  test->duration < 0 ? -1 : (double)test->duration/1000000,
116  test->sar.num, test->sar.den);
117  return 0;
118 }
119 
121 {
122  TestSourceContext *test = ctx->priv;
123 
124  av_frame_free(&test->picref);
125 }
126 
127 static int config_props(AVFilterLink *outlink)
128 {
129  TestSourceContext *test = outlink->src->priv;
130 
131  outlink->w = test->w;
132  outlink->h = test->h;
133  outlink->sample_aspect_ratio = test->sar;
134  outlink->frame_rate = test->frame_rate;
135  outlink->time_base = test->time_base;
136 
137  return 0;
138 }
139 
140 static int request_frame(AVFilterLink *outlink)
141 {
142  TestSourceContext *test = outlink->src->priv;
143  AVFrame *frame;
144 
145  if (test->duration >= 0 &&
146  av_rescale_q(test->pts, test->time_base, AV_TIME_BASE_Q) >= test->duration)
147  return AVERROR_EOF;
148 
149  if (test->draw_once) {
150  if (test->draw_once_reset) {
151  av_frame_free(&test->picref);
152  test->draw_once_reset = 0;
153  }
154  if (!test->picref) {
155  test->picref =
156  ff_get_video_buffer(outlink, test->w, test->h);
157  if (!test->picref)
158  return AVERROR(ENOMEM);
159  test->fill_picture_fn(outlink->src, test->picref);
160  }
161  frame = av_frame_clone(test->picref);
162  } else
163  frame = ff_get_video_buffer(outlink, test->w, test->h);
164 
165  if (!frame)
166  return AVERROR(ENOMEM);
167  frame->pts = test->pts;
168  frame->key_frame = 1;
169  frame->interlaced_frame = 0;
170  frame->pict_type = AV_PICTURE_TYPE_I;
171  frame->sample_aspect_ratio = test->sar;
172  if (!test->draw_once)
173  test->fill_picture_fn(outlink->src, frame);
174 
175  test->pts++;
176  test->nb_frame++;
177 
178  return ff_filter_frame(outlink, frame);
179 }
180 
181 #if CONFIG_COLOR_FILTER
182 
183 static const AVOption color_options[] = {
184  { "color", "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, CHAR_MIN, CHAR_MAX, FLAGS },
185  { "c", "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, CHAR_MIN, CHAR_MAX, FLAGS },
187  { NULL }
188 };
189 
191 
192 static void color_fill_picture(AVFilterContext *ctx, AVFrame *picref)
193 {
194  TestSourceContext *test = ctx->priv;
195  ff_fill_rectangle(&test->draw, &test->color,
196  picref->data, picref->linesize,
197  0, 0, test->w, test->h);
198 }
199 
200 static av_cold int color_init(AVFilterContext *ctx)
201 {
202  TestSourceContext *test = ctx->priv;
203  test->fill_picture_fn = color_fill_picture;
204  test->draw_once = 1;
205  return init(ctx);
206 }
207 
208 static int color_query_formats(AVFilterContext *ctx)
209 {
211 }
212 
213 static int color_config_props(AVFilterLink *inlink)
214 {
215  AVFilterContext *ctx = inlink->src;
216  TestSourceContext *test = ctx->priv;
217  int ret;
218 
219  ff_draw_init(&test->draw, inlink->format, 0);
220  ff_draw_color(&test->draw, &test->color, test->color_rgba);
221 
222  test->w = ff_draw_round_to_sub(&test->draw, 0, -1, test->w);
223  test->h = ff_draw_round_to_sub(&test->draw, 1, -1, test->h);
224  if (av_image_check_size(test->w, test->h, 0, ctx) < 0)
225  return AVERROR(EINVAL);
226 
227  if ((ret = config_props(inlink)) < 0)
228  return ret;
229 
230  return 0;
231 }
232 
233 static int color_process_command(AVFilterContext *ctx, const char *cmd, const char *args,
234  char *res, int res_len, int flags)
235 {
236  TestSourceContext *test = ctx->priv;
237  int ret;
238 
239  if (!strcmp(cmd, "color") || !strcmp(cmd, "c")) {
240  uint8_t color_rgba[4];
241 
242  ret = av_parse_color(color_rgba, args, -1, ctx);
243  if (ret < 0)
244  return ret;
245 
246  memcpy(test->color_rgba, color_rgba, sizeof(color_rgba));
247  ff_draw_color(&test->draw, &test->color, test->color_rgba);
248  test->draw_once_reset = 1;
249  return 0;
250  }
251 
252  return AVERROR(ENOSYS);
253 }
254 
255 static const AVFilterPad color_outputs[] = {
256  {
257  .name = "default",
258  .type = AVMEDIA_TYPE_VIDEO,
259  .request_frame = request_frame,
260  .config_props = color_config_props,
261  },
262  { NULL }
263 };
264 
265 AVFilter ff_vsrc_color = {
266  .name = "color",
267  .description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input."),
268  .priv_class = &color_class,
269  .priv_size = sizeof(TestSourceContext),
270  .init = color_init,
271  .uninit = uninit,
272  .query_formats = color_query_formats,
273  .inputs = NULL,
274  .outputs = color_outputs,
275  .process_command = color_process_command,
276 };
277 
278 #endif /* CONFIG_COLOR_FILTER */
279 
280 #if CONFIG_HALDCLUTSRC_FILTER
281 
282 static const AVOption haldclutsrc_options[] = {
283  { "level", "set level", OFFSET(level), AV_OPT_TYPE_INT, {.i64 = 6}, 2, 8, FLAGS },
285  { NULL }
286 };
287 
288 AVFILTER_DEFINE_CLASS(haldclutsrc);
289 
290 static void haldclutsrc_fill_picture(AVFilterContext *ctx, AVFrame *frame)
291 {
292  int i, j, k, x = 0, y = 0, is16bit = 0, step;
293  uint32_t alpha = 0;
294  const TestSourceContext *hc = ctx->priv;
295  int level = hc->level;
296  float scale;
297  const int w = frame->width;
298  const int h = frame->height;
299  const uint8_t *data = frame->data[0];
300  const int linesize = frame->linesize[0];
302  uint8_t rgba_map[4];
303 
304  av_assert0(w == h && w == level*level*level);
305 
306  ff_fill_rgba_map(rgba_map, frame->format);
307 
308  switch (frame->format) {
309  case AV_PIX_FMT_RGB48:
310  case AV_PIX_FMT_BGR48:
311  case AV_PIX_FMT_RGBA64:
312  case AV_PIX_FMT_BGRA64:
313  is16bit = 1;
314  alpha = 0xffff;
315  break;
316  case AV_PIX_FMT_RGBA:
317  case AV_PIX_FMT_BGRA:
318  case AV_PIX_FMT_ARGB:
319  case AV_PIX_FMT_ABGR:
320  alpha = 0xff;
321  break;
322  }
323 
324  step = av_get_padded_bits_per_pixel(desc) >> (3 + is16bit);
325  scale = ((float)(1 << (8*(is16bit+1))) - 1) / (level*level - 1);
326 
327 #define LOAD_CLUT(nbits) do { \
328  uint##nbits##_t *dst = ((uint##nbits##_t *)(data + y*linesize)) + x*step; \
329  dst[rgba_map[0]] = av_clip_uint##nbits(i * scale); \
330  dst[rgba_map[1]] = av_clip_uint##nbits(j * scale); \
331  dst[rgba_map[2]] = av_clip_uint##nbits(k * scale); \
332  if (step == 4) \
333  dst[rgba_map[3]] = alpha; \
334 } while (0)
335 
336  level *= level;
337  for (k = 0; k < level; k++) {
338  for (j = 0; j < level; j++) {
339  for (i = 0; i < level; i++) {
340  if (!is16bit)
341  LOAD_CLUT(8);
342  else
343  LOAD_CLUT(16);
344  if (++x == w) {
345  x = 0;
346  y++;
347  }
348  }
349  }
350  }
351 }
352 
353 static av_cold int haldclutsrc_init(AVFilterContext *ctx)
354 {
355  TestSourceContext *hc = ctx->priv;
356  hc->fill_picture_fn = haldclutsrc_fill_picture;
357  hc->draw_once = 1;
358  return init(ctx);
359 }
360 
361 static int haldclutsrc_query_formats(AVFilterContext *ctx)
362 {
363  static const enum AVPixelFormat pix_fmts[] = {
372  };
373 
374  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
375  if (!fmts_list)
376  return AVERROR(ENOMEM);
377  return ff_set_common_formats(ctx, fmts_list);
378 }
379 
380 static int haldclutsrc_config_props(AVFilterLink *outlink)
381 {
382  AVFilterContext *ctx = outlink->src;
383  TestSourceContext *hc = ctx->priv;
384 
385  hc->w = hc->h = hc->level * hc->level * hc->level;
386  return config_props(outlink);
387 }
388 
389 static const AVFilterPad haldclutsrc_outputs[] = {
390  {
391  .name = "default",
392  .type = AVMEDIA_TYPE_VIDEO,
393  .request_frame = request_frame,
394  .config_props = haldclutsrc_config_props,
395  },
396  { NULL }
397 };
398 
399 AVFilter ff_vsrc_haldclutsrc = {
400  .name = "haldclutsrc",
401  .description = NULL_IF_CONFIG_SMALL("Provide an identity Hald CLUT."),
402  .priv_class = &haldclutsrc_class,
403  .priv_size = sizeof(TestSourceContext),
404  .init = haldclutsrc_init,
405  .uninit = uninit,
406  .query_formats = haldclutsrc_query_formats,
407  .inputs = NULL,
408  .outputs = haldclutsrc_outputs,
409 };
410 #endif /* CONFIG_HALDCLUTSRC_FILTER */
411 
412 #if CONFIG_NULLSRC_FILTER
413 
414 #define nullsrc_options options
415 AVFILTER_DEFINE_CLASS(nullsrc);
416 
417 static void nullsrc_fill_picture(AVFilterContext *ctx, AVFrame *picref) { }
418 
419 static av_cold int nullsrc_init(AVFilterContext *ctx)
420 {
421  TestSourceContext *test = ctx->priv;
422 
423  test->fill_picture_fn = nullsrc_fill_picture;
424  return init(ctx);
425 }
426 
427 static const AVFilterPad nullsrc_outputs[] = {
428  {
429  .name = "default",
430  .type = AVMEDIA_TYPE_VIDEO,
431  .request_frame = request_frame,
432  .config_props = config_props,
433  },
434  { NULL },
435 };
436 
437 AVFilter ff_vsrc_nullsrc = {
438  .name = "nullsrc",
439  .description = NULL_IF_CONFIG_SMALL("Null video source, return unprocessed video frames."),
440  .init = nullsrc_init,
441  .uninit = uninit,
442  .priv_size = sizeof(TestSourceContext),
443  .priv_class = &nullsrc_class,
444  .inputs = NULL,
445  .outputs = nullsrc_outputs,
446 };
447 
448 #endif /* CONFIG_NULLSRC_FILTER */
449 
450 #if CONFIG_TESTSRC_FILTER
451 
452 static const AVOption testsrc_options[] = {
454  { "decimals", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0}, 0, 17, FLAGS },
455  { "n", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0}, 0, 17, FLAGS },
456  { NULL }
457 };
458 
459 AVFILTER_DEFINE_CLASS(testsrc);
460 
461 /**
462  * Fill a rectangle with value val.
463  *
464  * @param val the RGB value to set
465  * @param dst pointer to the destination buffer to fill
466  * @param dst_linesize linesize of destination
467  * @param segment_width width of the segment
468  * @param x horizontal coordinate where to draw the rectangle in the destination buffer
469  * @param y horizontal coordinate where to draw the rectangle in the destination buffer
470  * @param w width of the rectangle to draw, expressed as a number of segment_width units
471  * @param h height of the rectangle to draw, expressed as a number of segment_width units
472  */
473 static void draw_rectangle(unsigned val, uint8_t *dst, int dst_linesize, int segment_width,
474  int x, int y, int w, int h)
475 {
476  int i;
477  int step = 3;
478 
479  dst += segment_width * (step * x + y * dst_linesize);
480  w *= segment_width * step;
481  h *= segment_width;
482  for (i = 0; i < h; i++) {
483  memset(dst, val, w);
484  dst += dst_linesize;
485  }
486 }
487 
488 static void draw_digit(int digit, uint8_t *dst, int dst_linesize,
489  int segment_width)
490 {
491 #define TOP_HBAR 1
492 #define MID_HBAR 2
493 #define BOT_HBAR 4
494 #define LEFT_TOP_VBAR 8
495 #define LEFT_BOT_VBAR 16
496 #define RIGHT_TOP_VBAR 32
497 #define RIGHT_BOT_VBAR 64
498  struct segments {
499  int x, y, w, h;
500  } segments[] = {
501  { 1, 0, 5, 1 }, /* TOP_HBAR */
502  { 1, 6, 5, 1 }, /* MID_HBAR */
503  { 1, 12, 5, 1 }, /* BOT_HBAR */
504  { 0, 1, 1, 5 }, /* LEFT_TOP_VBAR */
505  { 0, 7, 1, 5 }, /* LEFT_BOT_VBAR */
506  { 6, 1, 1, 5 }, /* RIGHT_TOP_VBAR */
507  { 6, 7, 1, 5 } /* RIGHT_BOT_VBAR */
508  };
509  static const unsigned char masks[10] = {
510  /* 0 */ TOP_HBAR |BOT_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
511  /* 1 */ RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
512  /* 2 */ TOP_HBAR|MID_HBAR|BOT_HBAR|LEFT_BOT_VBAR |RIGHT_TOP_VBAR,
513  /* 3 */ TOP_HBAR|MID_HBAR|BOT_HBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
514  /* 4 */ MID_HBAR |LEFT_TOP_VBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
515  /* 5 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR |RIGHT_BOT_VBAR,
516  /* 6 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR |RIGHT_BOT_VBAR,
517  /* 7 */ TOP_HBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
518  /* 8 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
519  /* 9 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
520  };
521  unsigned mask = masks[digit];
522  int i;
523 
524  draw_rectangle(0, dst, dst_linesize, segment_width, 0, 0, 8, 13);
525  for (i = 0; i < FF_ARRAY_ELEMS(segments); i++)
526  if (mask & (1<<i))
527  draw_rectangle(255, dst, dst_linesize, segment_width,
528  segments[i].x, segments[i].y, segments[i].w, segments[i].h);
529 }
530 
531 #define GRADIENT_SIZE (6 * 256)
532 
533 static void test_fill_picture(AVFilterContext *ctx, AVFrame *frame)
534 {
535  TestSourceContext *test = ctx->priv;
536  uint8_t *p, *p0;
537  int x, y;
538  int color, color_rest;
539  int icolor;
540  int radius;
541  int quad0, quad;
542  int dquad_x, dquad_y;
543  int grad, dgrad, rgrad, drgrad;
544  int seg_size;
545  int second;
546  int i;
547  uint8_t *data = frame->data[0];
548  int width = frame->width;
549  int height = frame->height;
550 
551  /* draw colored bars and circle */
552  radius = (width + height) / 4;
553  quad0 = width * width / 4 + height * height / 4 - radius * radius;
554  dquad_y = 1 - height;
555  p0 = data;
556  for (y = 0; y < height; y++) {
557  p = p0;
558  color = 0;
559  color_rest = 0;
560  quad = quad0;
561  dquad_x = 1 - width;
562  for (x = 0; x < width; x++) {
563  icolor = color;
564  if (quad < 0)
565  icolor ^= 7;
566  quad += dquad_x;
567  dquad_x += 2;
568  *(p++) = icolor & 1 ? 255 : 0;
569  *(p++) = icolor & 2 ? 255 : 0;
570  *(p++) = icolor & 4 ? 255 : 0;
571  color_rest += 8;
572  if (color_rest >= width) {
573  color_rest -= width;
574  color++;
575  }
576  }
577  quad0 += dquad_y;
578  dquad_y += 2;
579  p0 += frame->linesize[0];
580  }
581 
582  /* draw sliding color line */
583  p0 = p = data + frame->linesize[0] * (height * 3/4);
584  grad = (256 * test->nb_frame * test->time_base.num / test->time_base.den) %
585  GRADIENT_SIZE;
586  rgrad = 0;
587  dgrad = GRADIENT_SIZE / width;
588  drgrad = GRADIENT_SIZE % width;
589  for (x = 0; x < width; x++) {
590  *(p++) =
591  grad < 256 || grad >= 5 * 256 ? 255 :
592  grad >= 2 * 256 && grad < 4 * 256 ? 0 :
593  grad < 2 * 256 ? 2 * 256 - 1 - grad : grad - 4 * 256;
594  *(p++) =
595  grad >= 4 * 256 ? 0 :
596  grad >= 1 * 256 && grad < 3 * 256 ? 255 :
597  grad < 1 * 256 ? grad : 4 * 256 - 1 - grad;
598  *(p++) =
599  grad < 2 * 256 ? 0 :
600  grad >= 3 * 256 && grad < 5 * 256 ? 255 :
601  grad < 3 * 256 ? grad - 2 * 256 : 6 * 256 - 1 - grad;
602  grad += dgrad;
603  rgrad += drgrad;
604  if (rgrad >= GRADIENT_SIZE) {
605  grad++;
606  rgrad -= GRADIENT_SIZE;
607  }
608  if (grad >= GRADIENT_SIZE)
609  grad -= GRADIENT_SIZE;
610  }
611  p = p0;
612  for (y = height / 8; y > 0; y--) {
613  memcpy(p+frame->linesize[0], p, 3 * width);
614  p += frame->linesize[0];
615  }
616 
617  /* draw digits */
618  seg_size = width / 80;
619  if (seg_size >= 1 && height >= 13 * seg_size) {
620  int64_t p10decimals = 1;
621  double time = av_q2d(test->time_base) * test->nb_frame *
622  ff_exp10(test->nb_decimals);
623  if (time >= INT_MAX)
624  return;
625 
626  for (x = 0; x < test->nb_decimals; x++)
627  p10decimals *= 10;
628 
629  second = av_rescale_rnd(test->nb_frame * test->time_base.num, p10decimals, test->time_base.den, AV_ROUND_ZERO);
630  x = width - (width - seg_size * 64) / 2;
631  y = (height - seg_size * 13) / 2;
632  p = data + (x*3 + y * frame->linesize[0]);
633  for (i = 0; i < 8; i++) {
634  p -= 3 * 8 * seg_size;
635  draw_digit(second % 10, p, frame->linesize[0], seg_size);
636  second /= 10;
637  if (second == 0)
638  break;
639  }
640  }
641 }
642 
643 static av_cold int test_init(AVFilterContext *ctx)
644 {
645  TestSourceContext *test = ctx->priv;
646 
647  test->fill_picture_fn = test_fill_picture;
648  return init(ctx);
649 }
650 
651 static int test_query_formats(AVFilterContext *ctx)
652 {
653  static const enum AVPixelFormat pix_fmts[] = {
655  };
656 
657  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
658  if (!fmts_list)
659  return AVERROR(ENOMEM);
660  return ff_set_common_formats(ctx, fmts_list);
661 }
662 
663 static const AVFilterPad avfilter_vsrc_testsrc_outputs[] = {
664  {
665  .name = "default",
666  .type = AVMEDIA_TYPE_VIDEO,
667  .request_frame = request_frame,
668  .config_props = config_props,
669  },
670  { NULL }
671 };
672 
673 AVFilter ff_vsrc_testsrc = {
674  .name = "testsrc",
675  .description = NULL_IF_CONFIG_SMALL("Generate test pattern."),
676  .priv_size = sizeof(TestSourceContext),
677  .priv_class = &testsrc_class,
678  .init = test_init,
679  .uninit = uninit,
680  .query_formats = test_query_formats,
681  .inputs = NULL,
682  .outputs = avfilter_vsrc_testsrc_outputs,
683 };
684 
685 #endif /* CONFIG_TESTSRC_FILTER */
686 
687 #if CONFIG_TESTSRC2_FILTER
688 
689 static const AVOption testsrc2_options[] = {
691  { "alpha", "set global alpha (opacity)", OFFSET(alpha), AV_OPT_TYPE_INT, {.i64 = 255}, 0, 255, FLAGS },
692  { NULL }
693 };
694 
695 AVFILTER_DEFINE_CLASS(testsrc2);
696 
697 static void set_color(TestSourceContext *s, FFDrawColor *color, uint32_t argb)
698 {
699  uint8_t rgba[4] = { (argb >> 16) & 0xFF,
700  (argb >> 8) & 0xFF,
701  (argb >> 0) & 0xFF,
702  (argb >> 24) & 0xFF, };
703  ff_draw_color(&s->draw, color, rgba);
704 }
705 
706 static uint32_t color_gradient(unsigned index)
707 {
708  unsigned si = index & 0xFF, sd = 0xFF - si;
709  switch (index >> 8) {
710  case 0: return 0xFF0000 + (si << 8);
711  case 1: return 0x00FF00 + (sd << 16);
712  case 2: return 0x00FF00 + (si << 0);
713  case 3: return 0x0000FF + (sd << 8);
714  case 4: return 0x0000FF + (si << 16);
715  case 5: return 0xFF0000 + (sd << 0);
716  }
717  av_assert0(0);
718 }
719 
720 static void draw_text(TestSourceContext *s, AVFrame *frame, FFDrawColor *color,
721  int x0, int y0, const uint8_t *text)
722 {
723  int x = x0;
724 
725  for (; *text; text++) {
726  if (*text == '\n') {
727  x = x0;
728  y0 += 16;
729  continue;
730  }
731  ff_blend_mask(&s->draw, color, frame->data, frame->linesize,
732  frame->width, frame->height,
733  avpriv_vga16_font + *text * 16, 1, 8, 16, 0, 0, x, y0);
734  x += 8;
735  }
736 }
737 
738 static void test2_fill_picture(AVFilterContext *ctx, AVFrame *frame)
739 {
740  TestSourceContext *s = ctx->priv;
742  unsigned alpha = (uint32_t)s->alpha << 24;
743 
744  /* colored background */
745  {
746  unsigned i, x = 0, x2;
747 
748  x = 0;
749  for (i = 1; i < 7; i++) {
750  x2 = av_rescale(i, s->w, 6);
751  x2 = ff_draw_round_to_sub(&s->draw, 0, 0, x2);
752  set_color(s, &color, ((i & 1) ? 0xFF0000 : 0) |
753  ((i & 2) ? 0x00FF00 : 0) |
754  ((i & 4) ? 0x0000FF : 0) |
755  alpha);
756  ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
757  x, 0, x2 - x, frame->height);
758  x = x2;
759  }
760  }
761 
762  /* oblique gradient */
763  /* note: too slow if using blending */
764  if (s->h >= 64) {
765  unsigned x, dx, y0, y, g0, g;
766 
767  dx = ff_draw_round_to_sub(&s->draw, 0, +1, 1);
768  y0 = av_rescale_q(s->pts, s->time_base, av_make_q(2, s->h - 16));
769  g0 = av_rescale_q(s->pts, s->time_base, av_make_q(1, 128));
770  for (x = 0; x < s->w; x += dx) {
771  g = (av_rescale(x, 6 * 256, s->w) + g0) % (6 * 256);
772  set_color(s, &color, color_gradient(g) | alpha);
773  y = y0 + av_rescale(x, s->h / 2, s->w);
774  y %= 2 * (s->h - 16);
775  if (y > s->h - 16)
776  y = 2 * (s->h - 16) - y;
777  y = ff_draw_round_to_sub(&s->draw, 1, 0, y);
778  ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
779  x, y, dx, 16);
780  }
781  }
782 
783  /* top right: draw clock hands */
784  if (s->w >= 64 && s->h >= 64) {
785  int l = (FFMIN(s->w, s->h) - 32) >> 1;
786  int steps = FFMAX(4, l >> 5);
787  int xc = (s->w >> 2) + (s->w >> 1);
788  int yc = (s->h >> 2);
789  int cycle = l << 2;
790  int pos, xh, yh;
791  int c, i;
792 
793  for (c = 0; c < 3; c++) {
794  set_color(s, &color, (0xBBBBBB ^ (0xFF << (c << 3))) | alpha);
795  pos = av_rescale_q(s->pts, s->time_base, av_make_q(64 >> (c << 1), cycle)) % cycle;
796  xh = pos < 1 * l ? pos :
797  pos < 2 * l ? l :
798  pos < 3 * l ? 3 * l - pos : 0;
799  yh = pos < 1 * l ? 0 :
800  pos < 2 * l ? pos - l :
801  pos < 3 * l ? l :
802  cycle - pos;
803  xh -= l >> 1;
804  yh -= l >> 1;
805  for (i = 1; i <= steps; i++) {
806  int x = av_rescale(xh, i, steps) + xc;
807  int y = av_rescale(yh, i, steps) + yc;
808  x = ff_draw_round_to_sub(&s->draw, 0, -1, x);
809  y = ff_draw_round_to_sub(&s->draw, 1, -1, y);
810  ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
811  x, y, 8, 8);
812  }
813  }
814  }
815 
816  /* bottom left: beating rectangles */
817  if (s->w >= 64 && s->h >= 64) {
818  int l = (FFMIN(s->w, s->h) - 16) >> 2;
819  int cycle = l << 3;
820  int xc = (s->w >> 2);
821  int yc = (s->h >> 2) + (s->h >> 1);
822  int xm1 = ff_draw_round_to_sub(&s->draw, 0, -1, xc - 8);
823  int xm2 = ff_draw_round_to_sub(&s->draw, 0, +1, xc + 8);
824  int ym1 = ff_draw_round_to_sub(&s->draw, 1, -1, yc - 8);
825  int ym2 = ff_draw_round_to_sub(&s->draw, 1, +1, yc + 8);
826  int size, step, x1, x2, y1, y2;
827 
828  size = av_rescale_q(s->pts, s->time_base, av_make_q(4, cycle));
829  step = size / l;
830  size %= l;
831  if (step & 1)
832  size = l - size;
833  step = (step >> 1) & 3;
834  set_color(s, &color, 0xFF808080);
835  x1 = ff_draw_round_to_sub(&s->draw, 0, -1, xc - 4 - size);
836  x2 = ff_draw_round_to_sub(&s->draw, 0, +1, xc + 4 + size);
837  y1 = ff_draw_round_to_sub(&s->draw, 1, -1, yc - 4 - size);
838  y2 = ff_draw_round_to_sub(&s->draw, 1, +1, yc + 4 + size);
839  if (step == 0 || step == 2)
840  ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
841  x1, ym1, x2 - x1, ym2 - ym1);
842  if (step == 1 || step == 2)
843  ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
844  xm1, y1, xm2 - xm1, y2 - y1);
845  if (step == 3)
846  ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
847  x1, y1, x2 - x1, y2 - y1);
848  }
849 
850  /* bottom right: checker with random noise */
851  {
852  unsigned xmin = av_rescale(5, s->w, 8);
853  unsigned xmax = av_rescale(7, s->w, 8);
854  unsigned ymin = av_rescale(5, s->h, 8);
855  unsigned ymax = av_rescale(7, s->h, 8);
856  unsigned x, y, i, r;
857  uint8_t alpha[256];
858 
859  r = s->pts;
860  for (y = ymin; y + 15 < ymax; y += 16) {
861  for (x = xmin; x + 15 < xmax; x += 16) {
862  if ((x ^ y) & 16)
863  continue;
864  for (i = 0; i < 256; i++) {
865  r = r * 1664525 + 1013904223;
866  alpha[i] = r >> 24;
867  }
868  set_color(s, &color, 0xFF00FF80);
869  ff_blend_mask(&s->draw, &color, frame->data, frame->linesize,
870  frame->width, frame->height,
871  alpha, 16, 16, 16, 3, 0, x, y);
872  }
873  }
874  }
875 
876  /* bouncing square */
877  if (s->w >= 16 && s->h >= 16) {
878  unsigned w = s->w - 8;
879  unsigned h = s->h - 8;
880  unsigned x = av_rescale_q(s->pts, s->time_base, av_make_q(233, 55 * w)) % (w << 1);
881  unsigned y = av_rescale_q(s->pts, s->time_base, av_make_q(233, 89 * h)) % (h << 1);
882  if (x > w)
883  x = (w << 1) - x;
884  if (y > h)
885  y = (h << 1) - y;
886  x = ff_draw_round_to_sub(&s->draw, 0, -1, x);
887  y = ff_draw_round_to_sub(&s->draw, 1, -1, y);
888  set_color(s, &color, 0xFF8000FF);
889  ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
890  x, y, 8, 8);
891  }
892 
893  /* top right: draw frame time and frame number */
894  {
895  char buf[256];
896  unsigned time;
897 
898  time = av_rescale_q(s->pts, s->time_base, av_make_q(1, 1000)) % 86400000;
899  set_color(s, &color, 0xC0000000);
900  ff_blend_rectangle(&s->draw, &color, frame->data, frame->linesize,
901  frame->width, frame->height,
902  2, 2, 100, 36);
903  set_color(s, &color, 0xFFFF8000);
904  snprintf(buf, sizeof(buf), "%02d:%02d:%02d.%03d\n%12"PRIi64,
905  time / 3600000, (time / 60000) % 60, (time / 1000) % 60,
906  time % 1000, s->pts);
907  draw_text(s, frame, &color, 4, 4, buf);
908  }
909 }
910 static av_cold int test2_init(AVFilterContext *ctx)
911 {
912  TestSourceContext *s = ctx->priv;
913 
914  s->fill_picture_fn = test2_fill_picture;
915  return init(ctx);
916 }
917 
918 static int test2_query_formats(AVFilterContext *ctx)
919 {
921 }
922 
923 static int test2_config_props(AVFilterLink *inlink)
924 {
925  AVFilterContext *ctx = inlink->src;
926  TestSourceContext *s = ctx->priv;
927 
928  av_assert0(ff_draw_init(&s->draw, inlink->format, 0) >= 0);
929  s->w = ff_draw_round_to_sub(&s->draw, 0, -1, s->w);
930  s->h = ff_draw_round_to_sub(&s->draw, 1, -1, s->h);
931  if (av_image_check_size(s->w, s->h, 0, ctx) < 0)
932  return AVERROR(EINVAL);
933  return config_props(inlink);
934 }
935 
936 static const AVFilterPad avfilter_vsrc_testsrc2_outputs[] = {
937  {
938  .name = "default",
939  .type = AVMEDIA_TYPE_VIDEO,
940  .request_frame = request_frame,
941  .config_props = test2_config_props,
942  },
943  { NULL }
944 };
945 
946 AVFilter ff_vsrc_testsrc2 = {
947  .name = "testsrc2",
948  .description = NULL_IF_CONFIG_SMALL("Generate another test pattern."),
949  .priv_size = sizeof(TestSourceContext),
950  .priv_class = &testsrc2_class,
951  .init = test2_init,
952  .uninit = uninit,
953  .query_formats = test2_query_formats,
954  .inputs = NULL,
955  .outputs = avfilter_vsrc_testsrc2_outputs,
956 };
957 
958 #endif /* CONFIG_TESTSRC2_FILTER */
959 
960 #if CONFIG_RGBTESTSRC_FILTER
961 
962 #define rgbtestsrc_options options
963 AVFILTER_DEFINE_CLASS(rgbtestsrc);
964 
965 #define R 0
966 #define G 1
967 #define B 2
968 #define A 3
969 
970 static void rgbtest_put_pixel(uint8_t *dst, int dst_linesize,
971  int x, int y, int r, int g, int b, enum AVPixelFormat fmt,
972  uint8_t rgba_map[4])
973 {
974  int32_t v;
975  uint8_t *p;
976 
977  switch (fmt) {
978  case AV_PIX_FMT_BGR444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r >> 4) << 8) | ((g >> 4) << 4) | (b >> 4); break;
979  case AV_PIX_FMT_RGB444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b >> 4) << 8) | ((g >> 4) << 4) | (r >> 4); break;
980  case AV_PIX_FMT_BGR555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<10) | ((g>>3)<<5) | (b>>3); break;
981  case AV_PIX_FMT_RGB555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<10) | ((g>>3)<<5) | (r>>3); break;
982  case AV_PIX_FMT_BGR565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<11) | ((g>>2)<<5) | (b>>3); break;
983  case AV_PIX_FMT_RGB565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<11) | ((g>>2)<<5) | (r>>3); break;
984  case AV_PIX_FMT_RGB24:
985  case AV_PIX_FMT_BGR24:
986  v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8));
987  p = dst + 3*x + y*dst_linesize;
988  AV_WL24(p, v);
989  break;
990  case AV_PIX_FMT_RGBA:
991  case AV_PIX_FMT_BGRA:
992  case AV_PIX_FMT_ARGB:
993  case AV_PIX_FMT_ABGR:
994  v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8)) + (255 << (rgba_map[A]*8));
995  p = dst + 4*x + y*dst_linesize;
996  AV_WL32(p, v);
997  break;
998  }
999 }
1000 
1001 static void rgbtest_fill_picture(AVFilterContext *ctx, AVFrame *frame)
1002 {
1003  TestSourceContext *test = ctx->priv;
1004  int x, y, w = frame->width, h = frame->height;
1005 
1006  for (y = 0; y < h; y++) {
1007  for (x = 0; x < w; x++) {
1008  int c = 256*x/w;
1009  int r = 0, g = 0, b = 0;
1010 
1011  if (3*y < h ) r = c;
1012  else if (3*y < 2*h) g = c;
1013  else b = c;
1014 
1015  rgbtest_put_pixel(frame->data[0], frame->linesize[0], x, y, r, g, b,
1016  ctx->outputs[0]->format, test->rgba_map);
1017  }
1018  }
1019 }
1020 
1021 static av_cold int rgbtest_init(AVFilterContext *ctx)
1022 {
1023  TestSourceContext *test = ctx->priv;
1024 
1025  test->draw_once = 1;
1026  test->fill_picture_fn = rgbtest_fill_picture;
1027  return init(ctx);
1028 }
1029 
1030 static int rgbtest_query_formats(AVFilterContext *ctx)
1031 {
1032  static const enum AVPixelFormat pix_fmts[] = {
1039  };
1040 
1041  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
1042  if (!fmts_list)
1043  return AVERROR(ENOMEM);
1044  return ff_set_common_formats(ctx, fmts_list);
1045 }
1046 
1047 static int rgbtest_config_props(AVFilterLink *outlink)
1048 {
1049  TestSourceContext *test = outlink->src->priv;
1050 
1051  ff_fill_rgba_map(test->rgba_map, outlink->format);
1052  return config_props(outlink);
1053 }
1054 
1055 static const AVFilterPad avfilter_vsrc_rgbtestsrc_outputs[] = {
1056  {
1057  .name = "default",
1058  .type = AVMEDIA_TYPE_VIDEO,
1059  .request_frame = request_frame,
1060  .config_props = rgbtest_config_props,
1061  },
1062  { NULL }
1063 };
1064 
1065 AVFilter ff_vsrc_rgbtestsrc = {
1066  .name = "rgbtestsrc",
1067  .description = NULL_IF_CONFIG_SMALL("Generate RGB test pattern."),
1068  .priv_size = sizeof(TestSourceContext),
1069  .priv_class = &rgbtestsrc_class,
1070  .init = rgbtest_init,
1071  .uninit = uninit,
1072  .query_formats = rgbtest_query_formats,
1073  .inputs = NULL,
1074  .outputs = avfilter_vsrc_rgbtestsrc_outputs,
1075 };
1076 
1077 #endif /* CONFIG_RGBTESTSRC_FILTER */
1078 
1079 #if CONFIG_YUVTESTSRC_FILTER
1080 
1081 #define yuvtestsrc_options options
1082 AVFILTER_DEFINE_CLASS(yuvtestsrc);
1083 
1084 static void yuvtest_fill_picture8(AVFilterContext *ctx, AVFrame *frame)
1085 {
1086  int x, y, w = frame->width, h = frame->height / 3;
1087  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
1088  const int factor = 1 << desc->comp[0].depth;
1089  const int mid = 1 << (desc->comp[0].depth - 1);
1090  uint8_t *ydst = frame->data[0];
1091  uint8_t *udst = frame->data[1];
1092  uint8_t *vdst = frame->data[2];
1093  int ylinesize = frame->linesize[0];
1094  int ulinesize = frame->linesize[1];
1095  int vlinesize = frame->linesize[2];
1096 
1097  for (y = 0; y < h; y++) {
1098  for (x = 0; x < w; x++) {
1099  int c = factor * x / w;
1100 
1101  ydst[x] = c;
1102  udst[x] = mid;
1103  vdst[x] = mid;
1104  }
1105 
1106  ydst += ylinesize;
1107  udst += ulinesize;
1108  vdst += vlinesize;
1109  }
1110 
1111  h += h;
1112  for (; y < h; y++) {
1113  for (x = 0; x < w; x++) {
1114  int c = factor * x / w;
1115 
1116  ydst[x] = mid;
1117  udst[x] = c;
1118  vdst[x] = mid;
1119  }
1120 
1121  ydst += ylinesize;
1122  udst += ulinesize;
1123  vdst += vlinesize;
1124  }
1125 
1126  for (; y < frame->height; y++) {
1127  for (x = 0; x < w; x++) {
1128  int c = factor * x / w;
1129 
1130  ydst[x] = mid;
1131  udst[x] = mid;
1132  vdst[x] = c;
1133  }
1134 
1135  ydst += ylinesize;
1136  udst += ulinesize;
1137  vdst += vlinesize;
1138  }
1139 }
1140 
1141 static void yuvtest_fill_picture16(AVFilterContext *ctx, AVFrame *frame)
1142 {
1143  int x, y, w = frame->width, h = frame->height / 3;
1144  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
1145  const int factor = 1 << desc->comp[0].depth;
1146  const int mid = 1 << (desc->comp[0].depth - 1);
1147  uint16_t *ydst = (uint16_t *)frame->data[0];
1148  uint16_t *udst = (uint16_t *)frame->data[1];
1149  uint16_t *vdst = (uint16_t *)frame->data[2];
1150  int ylinesize = frame->linesize[0] / 2;
1151  int ulinesize = frame->linesize[1] / 2;
1152  int vlinesize = frame->linesize[2] / 2;
1153 
1154  for (y = 0; y < h; y++) {
1155  for (x = 0; x < w; x++) {
1156  int c = factor * x / w;
1157 
1158  ydst[x] = c;
1159  udst[x] = mid;
1160  vdst[x] = mid;
1161  }
1162 
1163  ydst += ylinesize;
1164  udst += ulinesize;
1165  vdst += vlinesize;
1166  }
1167 
1168  h += h;
1169  for (; y < h; y++) {
1170  for (x = 0; x < w; x++) {
1171  int c = factor * x / w;
1172 
1173  ydst[x] = mid;
1174  udst[x] = c;
1175  vdst[x] = mid;
1176  }
1177 
1178  ydst += ylinesize;
1179  udst += ulinesize;
1180  vdst += vlinesize;
1181  }
1182 
1183  for (; y < frame->height; y++) {
1184  for (x = 0; x < w; x++) {
1185  int c = factor * x / w;
1186 
1187  ydst[x] = mid;
1188  udst[x] = mid;
1189  vdst[x] = c;
1190  }
1191 
1192  ydst += ylinesize;
1193  udst += ulinesize;
1194  vdst += vlinesize;
1195  }
1196 }
1197 
1198 static av_cold int yuvtest_init(AVFilterContext *ctx)
1199 {
1200  TestSourceContext *test = ctx->priv;
1201 
1202  test->draw_once = 1;
1203  return init(ctx);
1204 }
1205 
1206 static int yuvtest_query_formats(AVFilterContext *ctx)
1207 {
1208  static const enum AVPixelFormat pix_fmts[] = {
1214  };
1215 
1216  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
1217  if (!fmts_list)
1218  return AVERROR(ENOMEM);
1219  return ff_set_common_formats(ctx, fmts_list);
1220 }
1221 
1222 static int yuvtest_config_props(AVFilterLink *outlink)
1223 {
1224  TestSourceContext *test = outlink->src->priv;
1225  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
1226 
1227  test->fill_picture_fn = desc->comp[0].depth > 8 ? yuvtest_fill_picture16 : yuvtest_fill_picture8;
1228  return config_props(outlink);
1229 }
1230 
1231 static const AVFilterPad avfilter_vsrc_yuvtestsrc_outputs[] = {
1232  {
1233  .name = "default",
1234  .type = AVMEDIA_TYPE_VIDEO,
1235  .request_frame = request_frame,
1236  .config_props = yuvtest_config_props,
1237  },
1238  { NULL }
1239 };
1240 
1241 AVFilter ff_vsrc_yuvtestsrc = {
1242  .name = "yuvtestsrc",
1243  .description = NULL_IF_CONFIG_SMALL("Generate YUV test pattern."),
1244  .priv_size = sizeof(TestSourceContext),
1245  .priv_class = &yuvtestsrc_class,
1246  .init = yuvtest_init,
1247  .uninit = uninit,
1248  .query_formats = yuvtest_query_formats,
1249  .inputs = NULL,
1250  .outputs = avfilter_vsrc_yuvtestsrc_outputs,
1251 };
1252 
1253 #endif /* CONFIG_YUVTESTSRC_FILTER */
1254 
1255 #if CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER
1256 
1257 static const uint8_t rainbow[7][4] = {
1258  { 180, 128, 128, 255 }, /* 75% white */
1259  { 162, 44, 142, 255 }, /* 75% yellow */
1260  { 131, 156, 44, 255 }, /* 75% cyan */
1261  { 112, 72, 58, 255 }, /* 75% green */
1262  { 84, 184, 198, 255 }, /* 75% magenta */
1263  { 65, 100, 212, 255 }, /* 75% red */
1264  { 35, 212, 114, 255 }, /* 75% blue */
1265 };
1266 
1267 static const uint8_t rainbowhd[7][4] = {
1268  { 180, 128, 128, 255 }, /* 75% white */
1269  { 168, 44, 136, 255 }, /* 75% yellow */
1270  { 145, 147, 44, 255 }, /* 75% cyan */
1271  { 133, 63, 52, 255 }, /* 75% green */
1272  { 63, 193, 204, 255 }, /* 75% magenta */
1273  { 51, 109, 212, 255 }, /* 75% red */
1274  { 28, 212, 120, 255 }, /* 75% blue */
1275 };
1276 
1277 static const uint8_t wobnair[7][4] = {
1278  { 35, 212, 114, 255 }, /* 75% blue */
1279  { 19, 128, 128, 255 }, /* 7.5% intensity black */
1280  { 84, 184, 198, 255 }, /* 75% magenta */
1281  { 19, 128, 128, 255 }, /* 7.5% intensity black */
1282  { 131, 156, 44, 255 }, /* 75% cyan */
1283  { 19, 128, 128, 255 }, /* 7.5% intensity black */
1284  { 180, 128, 128, 255 }, /* 75% white */
1285 };
1286 
1287 static const uint8_t white[4] = { 235, 128, 128, 255 };
1288 
1289 /* pluge pulses */
1290 static const uint8_t neg4ire[4] = { 7, 128, 128, 255 };
1291 static const uint8_t pos4ire[4] = { 24, 128, 128, 255 };
1292 
1293 /* fudged Q/-I */
1294 static const uint8_t i_pixel[4] = { 57, 156, 97, 255 };
1295 static const uint8_t q_pixel[4] = { 44, 171, 147, 255 };
1296 
1297 static const uint8_t gray40[4] = { 104, 128, 128, 255 };
1298 static const uint8_t gray15[4] = { 49, 128, 128, 255 };
1299 static const uint8_t cyan[4] = { 188, 154, 16, 255 };
1300 static const uint8_t yellow[4] = { 219, 16, 138, 255 };
1301 static const uint8_t blue[4] = { 32, 240, 118, 255 };
1302 static const uint8_t red[4] = { 63, 102, 240, 255 };
1303 static const uint8_t black0[4] = { 16, 128, 128, 255 };
1304 static const uint8_t black2[4] = { 20, 128, 128, 255 };
1305 static const uint8_t black4[4] = { 25, 128, 128, 255 };
1306 static const uint8_t neg2[4] = { 12, 128, 128, 255 };
1307 
1308 static void draw_bar(TestSourceContext *test, const uint8_t color[4],
1309  int x, int y, int w, int h,
1310  AVFrame *frame)
1311 {
1312  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
1313  uint8_t *p, *p0;
1314  int plane;
1315 
1316  x = FFMIN(x, test->w - 1);
1317  y = FFMIN(y, test->h - 1);
1318  w = FFMAX(FFMIN(w, test->w - x), 0);
1319  h = FFMAX(FFMIN(h, test->h - y), 0);
1320 
1321  av_assert0(x + w <= test->w);
1322  av_assert0(y + h <= test->h);
1323 
1324  for (plane = 0; frame->data[plane]; plane++) {
1325  const int c = color[plane];
1326  const int linesize = frame->linesize[plane];
1327  int i, px, py, pw, ph;
1328 
1329  if (plane == 1 || plane == 2) {
1330  px = x >> desc->log2_chroma_w;
1331  pw = AV_CEIL_RSHIFT(w, desc->log2_chroma_w);
1332  py = y >> desc->log2_chroma_h;
1333  ph = AV_CEIL_RSHIFT(h, desc->log2_chroma_h);
1334  } else {
1335  px = x;
1336  pw = w;
1337  py = y;
1338  ph = h;
1339  }
1340 
1341  p0 = p = frame->data[plane] + py * linesize + px;
1342  memset(p, c, pw);
1343  p += linesize;
1344  for (i = 1; i < ph; i++, p += linesize)
1345  memcpy(p, p0, pw);
1346  }
1347 }
1348 
1349 static int smptebars_query_formats(AVFilterContext *ctx)
1350 {
1351  static const enum AVPixelFormat pix_fmts[] = {
1356  };
1357 
1358  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
1359  if (!fmts_list)
1360  return AVERROR(ENOMEM);
1361  return ff_set_common_formats(ctx, fmts_list);
1362 }
1363 
1364 static const AVFilterPad smptebars_outputs[] = {
1365  {
1366  .name = "default",
1367  .type = AVMEDIA_TYPE_VIDEO,
1368  .request_frame = request_frame,
1369  .config_props = config_props,
1370  },
1371  { NULL }
1372 };
1373 
1374 #if CONFIG_SMPTEBARS_FILTER
1375 
1376 #define smptebars_options options
1377 AVFILTER_DEFINE_CLASS(smptebars);
1378 
1379 static void smptebars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
1380 {
1381  TestSourceContext *test = ctx->priv;
1382  int r_w, r_h, w_h, p_w, p_h, i, tmp, x = 0;
1383  const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
1384 
1385  picref->colorspace = AVCOL_SPC_BT470BG;
1386 
1387  r_w = FFALIGN((test->w + 6) / 7, 1 << pixdesc->log2_chroma_w);
1388  r_h = FFALIGN(test->h * 2 / 3, 1 << pixdesc->log2_chroma_h);
1389  w_h = FFALIGN(test->h * 3 / 4 - r_h, 1 << pixdesc->log2_chroma_h);
1390  p_w = FFALIGN(r_w * 5 / 4, 1 << pixdesc->log2_chroma_w);
1391  p_h = test->h - w_h - r_h;
1392 
1393  for (i = 0; i < 7; i++) {
1394  draw_bar(test, rainbow[i], x, 0, r_w, r_h, picref);
1395  draw_bar(test, wobnair[i], x, r_h, r_w, w_h, picref);
1396  x += r_w;
1397  }
1398  x = 0;
1399  draw_bar(test, i_pixel, x, r_h + w_h, p_w, p_h, picref);
1400  x += p_w;
1401  draw_bar(test, white, x, r_h + w_h, p_w, p_h, picref);
1402  x += p_w;
1403  draw_bar(test, q_pixel, x, r_h + w_h, p_w, p_h, picref);
1404  x += p_w;
1405  tmp = FFALIGN(5 * r_w - x, 1 << pixdesc->log2_chroma_w);
1406  draw_bar(test, black0, x, r_h + w_h, tmp, p_h, picref);
1407  x += tmp;
1408  tmp = FFALIGN(r_w / 3, 1 << pixdesc->log2_chroma_w);
1409  draw_bar(test, neg4ire, x, r_h + w_h, tmp, p_h, picref);
1410  x += tmp;
1411  draw_bar(test, black0, x, r_h + w_h, tmp, p_h, picref);
1412  x += tmp;
1413  draw_bar(test, pos4ire, x, r_h + w_h, tmp, p_h, picref);
1414  x += tmp;
1415  draw_bar(test, black0, x, r_h + w_h, test->w - x, p_h, picref);
1416 }
1417 
1418 static av_cold int smptebars_init(AVFilterContext *ctx)
1419 {
1420  TestSourceContext *test = ctx->priv;
1421 
1422  test->fill_picture_fn = smptebars_fill_picture;
1423  test->draw_once = 1;
1424  return init(ctx);
1425 }
1426 
1427 AVFilter ff_vsrc_smptebars = {
1428  .name = "smptebars",
1429  .description = NULL_IF_CONFIG_SMALL("Generate SMPTE color bars."),
1430  .priv_size = sizeof(TestSourceContext),
1431  .priv_class = &smptebars_class,
1432  .init = smptebars_init,
1433  .uninit = uninit,
1434  .query_formats = smptebars_query_formats,
1435  .inputs = NULL,
1436  .outputs = smptebars_outputs,
1437 };
1438 
1439 #endif /* CONFIG_SMPTEBARS_FILTER */
1440 
1441 #if CONFIG_SMPTEHDBARS_FILTER
1442 
1443 #define smptehdbars_options options
1444 AVFILTER_DEFINE_CLASS(smptehdbars);
1445 
1446 static void smptehdbars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
1447 {
1448  TestSourceContext *test = ctx->priv;
1449  int d_w, r_w, r_h, l_w, i, tmp, x = 0, y = 0;
1450  const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
1451 
1452  picref->colorspace = AVCOL_SPC_BT709;
1453 
1454  d_w = FFALIGN(test->w / 8, 1 << pixdesc->log2_chroma_w);
1455  r_h = FFALIGN(test->h * 7 / 12, 1 << pixdesc->log2_chroma_h);
1456  draw_bar(test, gray40, x, 0, d_w, r_h, picref);
1457  x += d_w;
1458 
1459  r_w = FFALIGN((((test->w + 3) / 4) * 3) / 7, 1 << pixdesc->log2_chroma_w);
1460  for (i = 0; i < 7; i++) {
1461  draw_bar(test, rainbowhd[i], x, 0, r_w, r_h, picref);
1462  x += r_w;
1463  }
1464  draw_bar(test, gray40, x, 0, test->w - x, r_h, picref);
1465  y = r_h;
1466  r_h = FFALIGN(test->h / 12, 1 << pixdesc->log2_chroma_h);
1467  draw_bar(test, cyan, 0, y, d_w, r_h, picref);
1468  x = d_w;
1469  draw_bar(test, i_pixel, x, y, r_w, r_h, picref);
1470  x += r_w;
1471  tmp = r_w * 6;
1472  draw_bar(test, rainbowhd[0], x, y, tmp, r_h, picref);
1473  x += tmp;
1474  l_w = x;
1475  draw_bar(test, blue, x, y, test->w - x, r_h, picref);
1476  y += r_h;
1477  draw_bar(test, yellow, 0, y, d_w, r_h, picref);
1478  x = d_w;
1479  draw_bar(test, q_pixel, x, y, r_w, r_h, picref);
1480  x += r_w;
1481 
1482  for (i = 0; i < tmp; i += 1 << pixdesc->log2_chroma_w) {
1483  uint8_t yramp[4] = {0};
1484 
1485  yramp[0] = i * 255 / tmp;
1486  yramp[1] = 128;
1487  yramp[2] = 128;
1488  yramp[3] = 255;
1489 
1490  draw_bar(test, yramp, x, y, 1 << pixdesc->log2_chroma_w, r_h, picref);
1491  x += 1 << pixdesc->log2_chroma_w;
1492  }
1493  draw_bar(test, red, x, y, test->w - x, r_h, picref);
1494  y += r_h;
1495  draw_bar(test, gray15, 0, y, d_w, test->h - y, picref);
1496  x = d_w;
1497  tmp = FFALIGN(r_w * 3 / 2, 1 << pixdesc->log2_chroma_w);
1498  draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1499  x += tmp;
1500  tmp = FFALIGN(r_w * 2, 1 << pixdesc->log2_chroma_w);
1501  draw_bar(test, white, x, y, tmp, test->h - y, picref);
1502  x += tmp;
1503  tmp = FFALIGN(r_w * 5 / 6, 1 << pixdesc->log2_chroma_w);
1504  draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1505  x += tmp;
1506  tmp = FFALIGN(r_w / 3, 1 << pixdesc->log2_chroma_w);
1507  draw_bar(test, neg2, x, y, tmp, test->h - y, picref);
1508  x += tmp;
1509  draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1510  x += tmp;
1511  draw_bar(test, black2, x, y, tmp, test->h - y, picref);
1512  x += tmp;
1513  draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1514  x += tmp;
1515  draw_bar(test, black4, x, y, tmp, test->h - y, picref);
1516  x += tmp;
1517  r_w = l_w - x;
1518  draw_bar(test, black0, x, y, r_w, test->h - y, picref);
1519  x += r_w;
1520  draw_bar(test, gray15, x, y, test->w - x, test->h - y, picref);
1521 }
1522 
1523 static av_cold int smptehdbars_init(AVFilterContext *ctx)
1524 {
1525  TestSourceContext *test = ctx->priv;
1526 
1527  test->fill_picture_fn = smptehdbars_fill_picture;
1528  test->draw_once = 1;
1529  return init(ctx);
1530 }
1531 
1532 AVFilter ff_vsrc_smptehdbars = {
1533  .name = "smptehdbars",
1534  .description = NULL_IF_CONFIG_SMALL("Generate SMPTE HD color bars."),
1535  .priv_size = sizeof(TestSourceContext),
1536  .priv_class = &smptehdbars_class,
1537  .init = smptehdbars_init,
1538  .uninit = uninit,
1539  .query_formats = smptebars_query_formats,
1540  .inputs = NULL,
1541  .outputs = smptebars_outputs,
1542 };
1543 
1544 #endif /* CONFIG_SMPTEHDBARS_FILTER */
1545 #endif /* CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER */
1546 
1547 #if CONFIG_ALLYUV_FILTER
1548 
1549 static const AVOption allyuv_options[] = {
1551  { NULL }
1552 };
1553 
1554 AVFILTER_DEFINE_CLASS(allyuv);
1555 
1556 static void allyuv_fill_picture(AVFilterContext *ctx, AVFrame *frame)
1557 {
1558  const int ys = frame->linesize[0];
1559  const int us = frame->linesize[1];
1560  const int vs = frame->linesize[2];
1561  int x, y, j;
1562 
1563  for (y = 0; y < 4096; y++) {
1564  for (x = 0; x < 2048; x++) {
1565  frame->data[0][y * ys + x] = ((x / 8) % 256);
1566  frame->data[0][y * ys + 4095 - x] = ((x / 8) % 256);
1567  }
1568 
1569  for (x = 0; x < 2048; x+=8) {
1570  for (j = 0; j < 8; j++) {
1571  frame->data[1][vs * y + x + j] = (y%16 + (j % 8) * 16);
1572  frame->data[1][vs * y + 4095 - x - j] = (128 + y%16 + (j % 8) * 16);
1573  }
1574  }
1575 
1576  for (x = 0; x < 4096; x++)
1577  frame->data[2][y * us + x] = 256 * y / 4096;
1578  }
1579 }
1580 
1581 static av_cold int allyuv_init(AVFilterContext *ctx)
1582 {
1583  TestSourceContext *test = ctx->priv;
1584 
1585  test->w = test->h = 4096;
1586  test->draw_once = 1;
1587  test->fill_picture_fn = allyuv_fill_picture;
1588  return init(ctx);
1589 }
1590 
1591 static int allyuv_query_formats(AVFilterContext *ctx)
1592 {
1593  static const enum AVPixelFormat pix_fmts[] = {
1596  };
1597 
1598  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
1599  if (!fmts_list)
1600  return AVERROR(ENOMEM);
1601  return ff_set_common_formats(ctx, fmts_list);
1602 }
1603 
1604 static const AVFilterPad avfilter_vsrc_allyuv_outputs[] = {
1605  {
1606  .name = "default",
1607  .type = AVMEDIA_TYPE_VIDEO,
1608  .request_frame = request_frame,
1609  .config_props = config_props,
1610  },
1611  { NULL }
1612 };
1613 
1614 AVFilter ff_vsrc_allyuv = {
1615  .name = "allyuv",
1616  .description = NULL_IF_CONFIG_SMALL("Generate all yuv colors."),
1617  .priv_size = sizeof(TestSourceContext),
1618  .priv_class = &allyuv_class,
1619  .init = allyuv_init,
1620  .uninit = uninit,
1621  .query_formats = allyuv_query_formats,
1622  .inputs = NULL,
1623  .outputs = avfilter_vsrc_allyuv_outputs,
1624 };
1625 
1626 #endif /* CONFIG_ALLYUV_FILTER */
1627 
1628 #if CONFIG_ALLRGB_FILTER
1629 
1630 static const AVOption allrgb_options[] = {
1632  { NULL }
1633 };
1634 
1635 AVFILTER_DEFINE_CLASS(allrgb);
1636 
1637 static void allrgb_fill_picture(AVFilterContext *ctx, AVFrame *frame)
1638 {
1639  unsigned x, y;
1640  const int linesize = frame->linesize[0];
1641  uint8_t *line = frame->data[0];
1642 
1643  for (y = 0; y < 4096; y++) {
1644  uint8_t *dst = line;
1645 
1646  for (x = 0; x < 4096; x++) {
1647  *dst++ = x;
1648  *dst++ = y;
1649  *dst++ = (x >> 8) | ((y >> 8) << 4);
1650  }
1651  line += linesize;
1652  }
1653 }
1654 
1655 static av_cold int allrgb_init(AVFilterContext *ctx)
1656 {
1657  TestSourceContext *test = ctx->priv;
1658 
1659  test->w = test->h = 4096;
1660  test->draw_once = 1;
1661  test->fill_picture_fn = allrgb_fill_picture;
1662  return init(ctx);
1663 }
1664 
1665 static int allrgb_config_props(AVFilterLink *outlink)
1666 {
1667  TestSourceContext *test = outlink->src->priv;
1668 
1669  ff_fill_rgba_map(test->rgba_map, outlink->format);
1670  return config_props(outlink);
1671 }
1672 
1673 static int allrgb_query_formats(AVFilterContext *ctx)
1674 {
1675  static const enum AVPixelFormat pix_fmts[] = {
1677  };
1678 
1679  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
1680  if (!fmts_list)
1681  return AVERROR(ENOMEM);
1682  return ff_set_common_formats(ctx, fmts_list);
1683 }
1684 
1685 static const AVFilterPad avfilter_vsrc_allrgb_outputs[] = {
1686  {
1687  .name = "default",
1688  .type = AVMEDIA_TYPE_VIDEO,
1689  .request_frame = request_frame,
1690  .config_props = allrgb_config_props,
1691  },
1692  { NULL }
1693 };
1694 
1695 AVFilter ff_vsrc_allrgb = {
1696  .name = "allrgb",
1697  .description = NULL_IF_CONFIG_SMALL("Generate all RGB colors."),
1698  .priv_size = sizeof(TestSourceContext),
1699  .priv_class = &allrgb_class,
1700  .init = allrgb_init,
1701  .uninit = uninit,
1702  .query_formats = allrgb_query_formats,
1703  .inputs = NULL,
1704  .outputs = avfilter_vsrc_allrgb_outputs,
1705 };
1706 
1707 #endif /* CONFIG_ALLRGB_FILTER */
also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
Definition: pixfmt.h:468
int plane
Definition: avisynth_c.h:422
AVFilterFormats * ff_draw_supported_pixel_formats(unsigned flags)
Return the list of pixel formats supported by the draw functions.
Definition: drawutils.c:725
#define NULL
Definition: coverity.c:32
const char const char void * val
Definition: avisynth_c.h:771
const char * s
Definition: avisynth_c.h:768
static float alpha(float a)
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2359
This structure describes decoded (raw) audio or video data.
Definition: frame.h:201
AVOption.
Definition: opt.h:246
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:371
const char * fmt
Definition: avisynth_c.h:769
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:67
misc image utilities
Main libavfilter public API header.
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:64
const char * g
Definition: vf_curves.c:112
const char * desc
Definition: nvenc.c:63
#define AV_PIX_FMT_RGBA64
Definition: pixfmt.h:351
also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601 ...
Definition: pixfmt.h:472
static void draw_rectangle(AVFormatContext *s)
Definition: xcbgrab.c:568
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:164
int num
Numerator.
Definition: rational.h:59
const char * b
Definition: vf_curves.c:113
static av_cold void uninit(AVFilterContext *ctx)
Definition: vsrc_testsrc.c:120
#define AV_PIX_FMT_BGRA64
Definition: pixfmt.h:356
#define COMMON_OPTIONS_NOSIZE
Definition: vsrc_testsrc.c:91
const uint8_t avpriv_vga16_font[4096]
packed BGR 8:8:8, 32bpp, XBGRXBGR... X=unused/undefined
Definition: pixfmt.h:235
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:92
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:350
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:283
static av_cold int init(AVFilterContext *ctx)
Definition: vsrc_testsrc.c:105
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:713
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
#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:1113
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t
#define av_cold
Definition: attributes.h:82
packed RGB 8:8:8, 32bpp, RGBXRGBX... X=unused/undefined
Definition: pixfmt.h:234
AVOptions.
static const uint32_t color[16+AV_CLASS_CATEGORY_NB]
Definition: log.c:94
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:294
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Definition: pixfmt.h:90
static AVFrame * frame
#define height
static double av_q2d(AVRational a)
Convert an AVRational to a double.
Definition: rational.h:104
static int flags
Definition: log.c:57
static int request_frame(AVFilterLink *outlink)
Definition: vsrc_testsrc.c:140
#define AVERROR_EOF
End of file.
Definition: error.h:55
#define AV_PIX_FMT_BGR48
Definition: pixfmt.h:352
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:374
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:348
ptrdiff_t size
Definition: opengl_enc.c:101
#define A(x)
Definition: vp56_arith.h:28
#define FFALIGN(x, a)
Definition: macros.h:48
#define av_log(a,...)
int av_parse_color(uint8_t *rgba_color, const char *color_string, int slen, void *log_ctx)
Put the RGBA values that correspond to color_string in rgba_color.
Definition: parseutils.c:354
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
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:259
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:568
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
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:163
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition: pixfmt.h:91
const char * r
Definition: vf_curves.c:111
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:2324
void ff_draw_color(FFDrawContext *draw, FFDrawColor *color, const uint8_t rgba[4])
Prepare a color.
Definition: drawutils.c:226
enum AVColorSpace colorspace
YUV colorspace type.
Definition: frame.h:457
Definition: graph2dot.c:48
uint16_t width
Definition: gdv.c:47
#define AV_PIX_FMT_RGB48
Definition: pixfmt.h:347
simple assert() macros that are a bit more flexible than ISO C assert().
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:364
#define COMMON_OPTIONS
Definition: vsrc_testsrc.c:98
#define FFMAX(a, b)
Definition: common.h:94
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
Definition: pixfmt.h:88
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition: pixfmt.h:89
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:66
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:284
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
Definition: vf_geq.c:47
#define FFMIN(a, b)
Definition: common.h:96
Round toward zero.
Definition: mathematics.h:80
int64_t duration
duration expressed in microseconds
Definition: vsrc_testsrc.c:58
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
static int config_props(AVFilterLink *outlink)
Definition: vsrc_testsrc.c:127
int32_t
AVFormatContext * ctx
Definition: movenc.c:48
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:65
#define FLAGS
Definition: vsrc_testsrc.c:85
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
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:360
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:497
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:616
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:274
#define AV_PIX_FMT_BGR555
Definition: pixfmt.h:354
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
uint8_t color_rgba[4]
Definition: vsrc_testsrc.c:75
misc drawing utilities
#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:232
static void draw_text(FFDrawContext *draw, AVFrame *frame, FFDrawColor *color, int x0, int y0, const uint8_t *text, int vertical)
Definition: vf_datascope.c:79
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
AVRational sample_aspect_ratio
Sample aspect ratio for the video frame, 0/1 if unknown/unspecified.
Definition: frame.h:289
void * buf
Definition: avisynth_c.h:690
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:68
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:439
Definition: vf_geq.c:47
packed BGR 8:8:8, 32bpp, BGRXBGRX... X=unused/undefined
Definition: pixfmt.h:236
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
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:266
#define AV_PIX_FMT_BGR565
Definition: pixfmt.h:353
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:368
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:215
uint8_t level
Definition: svq3.c:207
AVRational time_base
Definition: vsrc_testsrc.c:56
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:62
Definition: vf_geq.c:47
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
static double c[64]
#define AV_PIX_FMT_BGR444
Definition: pixfmt.h:355
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:76
static const AVOption options[]
Definition: vsrc_testsrc.c:100
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:349
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:69
int den
Denominator.
Definition: rational.h:60
#define AVFILTER_DEFINE_CLASS(fname)
Definition: internal.h:334
int key_frame
1 -> keyframe, 0-> not
Definition: frame.h:279
A list of supported formats for one end of a filter link.
Definition: formats.h:64
void(* fill_picture_fn)(AVFilterContext *ctx, AVFrame *frame)
Definition: vsrc_testsrc.c:64
#define OFFSET(x)
Definition: vsrc_testsrc.c:84
#define AV_PIX_FMT_RGB565
Definition: pixfmt.h:348
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:312
An instance of a filter.
Definition: avfilter.h:338
int height
Definition: frame.h:259
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:95
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:233
AVFrame * picref
cached reference containing the painted picture
Definition: vsrc_testsrc.c:62
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
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