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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/opt.h"
41 #include "libavutil/imgutils.h"
42 #include "libavutil/intreadwrite.h"
43 #include "libavutil/parseutils.h"
44 #include "avfilter.h"
45 #include "drawutils.h"
46 #include "formats.h"
47 #include "internal.h"
48 #include "video.h"
49 
50 typedef struct TestSourceContext {
51  const AVClass *class;
52  int w, h;
53  unsigned int nb_frame;
55  int64_t pts;
56  int64_t duration; ///< duration expressed in microseconds
57  AVRational sar; ///< sample aspect ratio
58  int draw_once; ///< draw only the first frame, always put out the same picture
59  int draw_once_reset; ///< draw only the first frame or in case of reset
60  AVFrame *picref; ///< cached reference containing the painted picture
61 
63 
64  /* only used by testsrc */
66 
67  /* only used by color */
71 
72  /* only used by rgbtest */
74 
75  /* only used by haldclut */
76  int level;
78 
79 #define OFFSET(x) offsetof(TestSourceContext, x)
80 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
81 
82 #define SIZE_OPTIONS \
83  { "size", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },\
84  { "s", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },\
85 
86 #define COMMON_OPTIONS_NOSIZE \
87  { "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, 0, FLAGS },\
88  { "r", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, 0, FLAGS },\
89  { "duration", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS },\
90  { "d", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS },\
91  { "sar", "set video sample aspect ratio", OFFSET(sar), AV_OPT_TYPE_RATIONAL, {.dbl= 1}, 0, INT_MAX, FLAGS },
92 
93 #define COMMON_OPTIONS SIZE_OPTIONS COMMON_OPTIONS_NOSIZE
94 
95 static const AVOption options[] = {
97  { NULL }
98 };
99 
100 static av_cold int init(AVFilterContext *ctx)
101 {
102  TestSourceContext *test = ctx->priv;
103 
104  test->time_base = av_inv_q(test->frame_rate);
105  test->nb_frame = 0;
106  test->pts = 0;
107 
108  av_log(ctx, AV_LOG_VERBOSE, "size:%dx%d rate:%d/%d duration:%f sar:%d/%d\n",
109  test->w, test->h, test->frame_rate.num, test->frame_rate.den,
110  test->duration < 0 ? -1 : (double)test->duration/1000000,
111  test->sar.num, test->sar.den);
112  return 0;
113 }
114 
115 static av_cold void uninit(AVFilterContext *ctx)
116 {
117  TestSourceContext *test = ctx->priv;
118 
119  av_frame_free(&test->picref);
120 }
121 
122 static int config_props(AVFilterLink *outlink)
123 {
124  TestSourceContext *test = outlink->src->priv;
125 
126  outlink->w = test->w;
127  outlink->h = test->h;
128  outlink->sample_aspect_ratio = test->sar;
129  outlink->frame_rate = test->frame_rate;
130  outlink->time_base = test->time_base;
131 
132  return 0;
133 }
134 
135 static int request_frame(AVFilterLink *outlink)
136 {
137  TestSourceContext *test = outlink->src->priv;
138  AVFrame *frame;
139 
140  if (test->duration >= 0 &&
141  av_rescale_q(test->pts, test->time_base, AV_TIME_BASE_Q) >= test->duration)
142  return AVERROR_EOF;
143 
144  if (test->draw_once) {
145  if (test->draw_once_reset) {
146  av_frame_free(&test->picref);
147  test->draw_once_reset = 0;
148  }
149  if (!test->picref) {
150  test->picref =
151  ff_get_video_buffer(outlink, test->w, test->h);
152  if (!test->picref)
153  return AVERROR(ENOMEM);
154  test->fill_picture_fn(outlink->src, test->picref);
155  }
156  frame = av_frame_clone(test->picref);
157  } else
158  frame = ff_get_video_buffer(outlink, test->w, test->h);
159 
160  if (!frame)
161  return AVERROR(ENOMEM);
162  frame->pts = test->pts;
163  frame->key_frame = 1;
164  frame->interlaced_frame = 0;
165  frame->pict_type = AV_PICTURE_TYPE_I;
166  frame->sample_aspect_ratio = test->sar;
167  if (!test->draw_once)
168  test->fill_picture_fn(outlink->src, frame);
169 
170  test->pts++;
171  test->nb_frame++;
172 
173  return ff_filter_frame(outlink, frame);
174 }
175 
176 #if CONFIG_COLOR_FILTER
177 
178 static const AVOption color_options[] = {
179  { "color", "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, CHAR_MIN, CHAR_MAX, FLAGS },
180  { "c", "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, CHAR_MIN, CHAR_MAX, FLAGS },
182  { NULL }
183 };
184 
186 
187 static void color_fill_picture(AVFilterContext *ctx, AVFrame *picref)
188 {
189  TestSourceContext *test = ctx->priv;
190  ff_fill_rectangle(&test->draw, &test->color,
191  picref->data, picref->linesize,
192  0, 0, test->w, test->h);
193 }
194 
195 static av_cold int color_init(AVFilterContext *ctx)
196 {
197  TestSourceContext *test = ctx->priv;
198  test->fill_picture_fn = color_fill_picture;
199  test->draw_once = 1;
200  return init(ctx);
201 }
202 
203 static int color_query_formats(AVFilterContext *ctx)
204 {
206 }
207 
208 static int color_config_props(AVFilterLink *inlink)
209 {
210  AVFilterContext *ctx = inlink->src;
211  TestSourceContext *test = ctx->priv;
212  int ret;
213 
214  ff_draw_init(&test->draw, inlink->format, 0);
215  ff_draw_color(&test->draw, &test->color, test->color_rgba);
216 
217  test->w = ff_draw_round_to_sub(&test->draw, 0, -1, test->w);
218  test->h = ff_draw_round_to_sub(&test->draw, 1, -1, test->h);
219  if (av_image_check_size(test->w, test->h, 0, ctx) < 0)
220  return AVERROR(EINVAL);
221 
222  if ((ret = config_props(inlink)) < 0)
223  return ret;
224 
225  return 0;
226 }
227 
228 static int color_process_command(AVFilterContext *ctx, const char *cmd, const char *args,
229  char *res, int res_len, int flags)
230 {
231  TestSourceContext *test = ctx->priv;
232  int ret;
233 
234  if (!strcmp(cmd, "color") || !strcmp(cmd, "c")) {
235  uint8_t color_rgba[4];
236 
237  ret = av_parse_color(color_rgba, args, -1, ctx);
238  if (ret < 0)
239  return ret;
240 
241  memcpy(test->color_rgba, color_rgba, sizeof(color_rgba));
242  ff_draw_color(&test->draw, &test->color, test->color_rgba);
243  test->draw_once_reset = 1;
244  return 0;
245  }
246 
247  return AVERROR(ENOSYS);
248 }
249 
250 static const AVFilterPad color_outputs[] = {
251  {
252  .name = "default",
253  .type = AVMEDIA_TYPE_VIDEO,
254  .request_frame = request_frame,
255  .config_props = color_config_props,
256  },
257  { NULL }
258 };
259 
260 AVFilter ff_vsrc_color = {
261  .name = "color",
262  .description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input."),
263  .priv_class = &color_class,
264  .priv_size = sizeof(TestSourceContext),
265  .init = color_init,
266  .uninit = uninit,
267  .query_formats = color_query_formats,
268  .inputs = NULL,
269  .outputs = color_outputs,
270  .process_command = color_process_command,
271 };
272 
273 #endif /* CONFIG_COLOR_FILTER */
274 
275 #if CONFIG_HALDCLUTSRC_FILTER
276 
277 static const AVOption haldclutsrc_options[] = {
278  { "level", "set level", OFFSET(level), AV_OPT_TYPE_INT, {.i64 = 6}, 2, 8, FLAGS },
280  { NULL }
281 };
282 
283 AVFILTER_DEFINE_CLASS(haldclutsrc);
284 
285 static void haldclutsrc_fill_picture(AVFilterContext *ctx, AVFrame *frame)
286 {
287  int i, j, k, x = 0, y = 0, is16bit = 0, step;
288  uint32_t alpha = 0;
289  const TestSourceContext *hc = ctx->priv;
290  int level = hc->level;
291  float scale;
292  const int w = frame->width;
293  const int h = frame->height;
294  const uint8_t *data = frame->data[0];
295  const int linesize = frame->linesize[0];
296  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
297  uint8_t rgba_map[4];
298 
299  av_assert0(w == h && w == level*level*level);
300 
301  ff_fill_rgba_map(rgba_map, frame->format);
302 
303  switch (frame->format) {
304  case AV_PIX_FMT_RGB48:
305  case AV_PIX_FMT_BGR48:
306  case AV_PIX_FMT_RGBA64:
307  case AV_PIX_FMT_BGRA64:
308  is16bit = 1;
309  alpha = 0xffff;
310  break;
311  case AV_PIX_FMT_RGBA:
312  case AV_PIX_FMT_BGRA:
313  case AV_PIX_FMT_ARGB:
314  case AV_PIX_FMT_ABGR:
315  alpha = 0xff;
316  break;
317  }
318 
319  step = av_get_padded_bits_per_pixel(desc) >> (3 + is16bit);
320  scale = ((float)(1 << (8*(is16bit+1))) - 1) / (level*level - 1);
321 
322 #define LOAD_CLUT(nbits) do { \
323  uint##nbits##_t *dst = ((uint##nbits##_t *)(data + y*linesize)) + x*step; \
324  dst[rgba_map[0]] = av_clip_uint##nbits(i * scale); \
325  dst[rgba_map[1]] = av_clip_uint##nbits(j * scale); \
326  dst[rgba_map[2]] = av_clip_uint##nbits(k * scale); \
327  if (step == 4) \
328  dst[rgba_map[3]] = alpha; \
329 } while (0)
330 
331  level *= level;
332  for (k = 0; k < level; k++) {
333  for (j = 0; j < level; j++) {
334  for (i = 0; i < level; i++) {
335  if (!is16bit)
336  LOAD_CLUT(8);
337  else
338  LOAD_CLUT(16);
339  if (++x == w) {
340  x = 0;
341  y++;
342  }
343  }
344  }
345  }
346 }
347 
348 static av_cold int haldclutsrc_init(AVFilterContext *ctx)
349 {
350  TestSourceContext *hc = ctx->priv;
351  hc->fill_picture_fn = haldclutsrc_fill_picture;
352  hc->draw_once = 1;
353  return init(ctx);
354 }
355 
356 static int haldclutsrc_query_formats(AVFilterContext *ctx)
357 {
358  static const enum AVPixelFormat pix_fmts[] = {
367  };
368 
369  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
370  if (!fmts_list)
371  return AVERROR(ENOMEM);
372  return ff_set_common_formats(ctx, fmts_list);
373 }
374 
375 static int haldclutsrc_config_props(AVFilterLink *outlink)
376 {
377  AVFilterContext *ctx = outlink->src;
378  TestSourceContext *hc = ctx->priv;
379 
380  hc->w = hc->h = hc->level * hc->level * hc->level;
381  return config_props(outlink);
382 }
383 
384 static const AVFilterPad haldclutsrc_outputs[] = {
385  {
386  .name = "default",
387  .type = AVMEDIA_TYPE_VIDEO,
388  .request_frame = request_frame,
389  .config_props = haldclutsrc_config_props,
390  },
391  { NULL }
392 };
393 
394 AVFilter ff_vsrc_haldclutsrc = {
395  .name = "haldclutsrc",
396  .description = NULL_IF_CONFIG_SMALL("Provide an identity Hald CLUT."),
397  .priv_class = &haldclutsrc_class,
398  .priv_size = sizeof(TestSourceContext),
399  .init = haldclutsrc_init,
400  .uninit = uninit,
401  .query_formats = haldclutsrc_query_formats,
402  .inputs = NULL,
403  .outputs = haldclutsrc_outputs,
404 };
405 #endif /* CONFIG_HALDCLUTSRC_FILTER */
406 
407 #if CONFIG_NULLSRC_FILTER
408 
409 #define nullsrc_options options
410 AVFILTER_DEFINE_CLASS(nullsrc);
411 
412 static void nullsrc_fill_picture(AVFilterContext *ctx, AVFrame *picref) { }
413 
414 static av_cold int nullsrc_init(AVFilterContext *ctx)
415 {
416  TestSourceContext *test = ctx->priv;
417 
418  test->fill_picture_fn = nullsrc_fill_picture;
419  return init(ctx);
420 }
421 
422 static const AVFilterPad nullsrc_outputs[] = {
423  {
424  .name = "default",
425  .type = AVMEDIA_TYPE_VIDEO,
426  .request_frame = request_frame,
427  .config_props = config_props,
428  },
429  { NULL },
430 };
431 
432 AVFilter ff_vsrc_nullsrc = {
433  .name = "nullsrc",
434  .description = NULL_IF_CONFIG_SMALL("Null video source, return unprocessed video frames."),
435  .init = nullsrc_init,
436  .uninit = uninit,
437  .priv_size = sizeof(TestSourceContext),
438  .priv_class = &nullsrc_class,
439  .inputs = NULL,
440  .outputs = nullsrc_outputs,
441 };
442 
443 #endif /* CONFIG_NULLSRC_FILTER */
444 
445 #if CONFIG_TESTSRC_FILTER
446 
447 static const AVOption testsrc_options[] = {
449  { "decimals", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0}, 0, 17, FLAGS },
450  { "n", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0}, 0, 17, FLAGS },
451  { NULL }
452 };
453 
454 AVFILTER_DEFINE_CLASS(testsrc);
455 
456 /**
457  * Fill a rectangle with value val.
458  *
459  * @param val the RGB value to set
460  * @param dst pointer to the destination buffer to fill
461  * @param dst_linesize linesize of destination
462  * @param segment_width width of the segment
463  * @param x horizontal coordinate where to draw the rectangle in the destination buffer
464  * @param y horizontal coordinate where to draw the rectangle in the destination buffer
465  * @param w width of the rectangle to draw, expressed as a number of segment_width units
466  * @param h height of the rectangle to draw, expressed as a number of segment_width units
467  */
468 static void draw_rectangle(unsigned val, uint8_t *dst, int dst_linesize, int segment_width,
469  int x, int y, int w, int h)
470 {
471  int i;
472  int step = 3;
473 
474  dst += segment_width * (step * x + y * dst_linesize);
475  w *= segment_width * step;
476  h *= segment_width;
477  for (i = 0; i < h; i++) {
478  memset(dst, val, w);
479  dst += dst_linesize;
480  }
481 }
482 
483 static void draw_digit(int digit, uint8_t *dst, int dst_linesize,
484  int segment_width)
485 {
486 #define TOP_HBAR 1
487 #define MID_HBAR 2
488 #define BOT_HBAR 4
489 #define LEFT_TOP_VBAR 8
490 #define LEFT_BOT_VBAR 16
491 #define RIGHT_TOP_VBAR 32
492 #define RIGHT_BOT_VBAR 64
493  struct segments {
494  int x, y, w, h;
495  } segments[] = {
496  { 1, 0, 5, 1 }, /* TOP_HBAR */
497  { 1, 6, 5, 1 }, /* MID_HBAR */
498  { 1, 12, 5, 1 }, /* BOT_HBAR */
499  { 0, 1, 1, 5 }, /* LEFT_TOP_VBAR */
500  { 0, 7, 1, 5 }, /* LEFT_BOT_VBAR */
501  { 6, 1, 1, 5 }, /* RIGHT_TOP_VBAR */
502  { 6, 7, 1, 5 } /* RIGHT_BOT_VBAR */
503  };
504  static const unsigned char masks[10] = {
505  /* 0 */ TOP_HBAR |BOT_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
506  /* 1 */ RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
507  /* 2 */ TOP_HBAR|MID_HBAR|BOT_HBAR|LEFT_BOT_VBAR |RIGHT_TOP_VBAR,
508  /* 3 */ TOP_HBAR|MID_HBAR|BOT_HBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
509  /* 4 */ MID_HBAR |LEFT_TOP_VBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
510  /* 5 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR |RIGHT_BOT_VBAR,
511  /* 6 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR |RIGHT_BOT_VBAR,
512  /* 7 */ TOP_HBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
513  /* 8 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
514  /* 9 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
515  };
516  unsigned mask = masks[digit];
517  int i;
518 
519  draw_rectangle(0, dst, dst_linesize, segment_width, 0, 0, 8, 13);
520  for (i = 0; i < FF_ARRAY_ELEMS(segments); i++)
521  if (mask & (1<<i))
522  draw_rectangle(255, dst, dst_linesize, segment_width,
523  segments[i].x, segments[i].y, segments[i].w, segments[i].h);
524 }
525 
526 #define GRADIENT_SIZE (6 * 256)
527 
528 static void test_fill_picture(AVFilterContext *ctx, AVFrame *frame)
529 {
530  TestSourceContext *test = ctx->priv;
531  uint8_t *p, *p0;
532  int x, y;
533  int color, color_rest;
534  int icolor;
535  int radius;
536  int quad0, quad;
537  int dquad_x, dquad_y;
538  int grad, dgrad, rgrad, drgrad;
539  int seg_size;
540  int second;
541  int i;
542  uint8_t *data = frame->data[0];
543  int width = frame->width;
544  int height = frame->height;
545 
546  /* draw colored bars and circle */
547  radius = (width + height) / 4;
548  quad0 = width * width / 4 + height * height / 4 - radius * radius;
549  dquad_y = 1 - height;
550  p0 = data;
551  for (y = 0; y < height; y++) {
552  p = p0;
553  color = 0;
554  color_rest = 0;
555  quad = quad0;
556  dquad_x = 1 - width;
557  for (x = 0; x < width; x++) {
558  icolor = color;
559  if (quad < 0)
560  icolor ^= 7;
561  quad += dquad_x;
562  dquad_x += 2;
563  *(p++) = icolor & 1 ? 255 : 0;
564  *(p++) = icolor & 2 ? 255 : 0;
565  *(p++) = icolor & 4 ? 255 : 0;
566  color_rest += 8;
567  if (color_rest >= width) {
568  color_rest -= width;
569  color++;
570  }
571  }
572  quad0 += dquad_y;
573  dquad_y += 2;
574  p0 += frame->linesize[0];
575  }
576 
577  /* draw sliding color line */
578  p0 = p = data + frame->linesize[0] * (height * 3/4);
579  grad = (256 * test->nb_frame * test->time_base.num / test->time_base.den) %
580  GRADIENT_SIZE;
581  rgrad = 0;
582  dgrad = GRADIENT_SIZE / width;
583  drgrad = GRADIENT_SIZE % width;
584  for (x = 0; x < width; x++) {
585  *(p++) =
586  grad < 256 || grad >= 5 * 256 ? 255 :
587  grad >= 2 * 256 && grad < 4 * 256 ? 0 :
588  grad < 2 * 256 ? 2 * 256 - 1 - grad : grad - 4 * 256;
589  *(p++) =
590  grad >= 4 * 256 ? 0 :
591  grad >= 1 * 256 && grad < 3 * 256 ? 255 :
592  grad < 1 * 256 ? grad : 4 * 256 - 1 - grad;
593  *(p++) =
594  grad < 2 * 256 ? 0 :
595  grad >= 3 * 256 && grad < 5 * 256 ? 255 :
596  grad < 3 * 256 ? grad - 2 * 256 : 6 * 256 - 1 - grad;
597  grad += dgrad;
598  rgrad += drgrad;
599  if (rgrad >= GRADIENT_SIZE) {
600  grad++;
601  rgrad -= GRADIENT_SIZE;
602  }
603  if (grad >= GRADIENT_SIZE)
604  grad -= GRADIENT_SIZE;
605  }
606  p = p0;
607  for (y = height / 8; y > 0; y--) {
608  memcpy(p+frame->linesize[0], p, 3 * width);
609  p += frame->linesize[0];
610  }
611 
612  /* draw digits */
613  seg_size = width / 80;
614  if (seg_size >= 1 && height >= 13 * seg_size) {
615  int64_t p10decimals = 1;
616  double time = av_q2d(test->time_base) * test->nb_frame *
617  pow(10, test->nb_decimals);
618  if (time >= INT_MAX)
619  return;
620 
621  for (x = 0; x < test->nb_decimals; x++)
622  p10decimals *= 10;
623 
624  second = av_rescale_rnd(test->nb_frame * test->time_base.num, p10decimals, test->time_base.den, AV_ROUND_ZERO);
625  x = width - (width - seg_size * 64) / 2;
626  y = (height - seg_size * 13) / 2;
627  p = data + (x*3 + y * frame->linesize[0]);
628  for (i = 0; i < 8; i++) {
629  p -= 3 * 8 * seg_size;
630  draw_digit(second % 10, p, frame->linesize[0], seg_size);
631  second /= 10;
632  if (second == 0)
633  break;
634  }
635  }
636 }
637 
638 static av_cold int test_init(AVFilterContext *ctx)
639 {
640  TestSourceContext *test = ctx->priv;
641 
642  test->fill_picture_fn = test_fill_picture;
643  return init(ctx);
644 }
645 
646 static int test_query_formats(AVFilterContext *ctx)
647 {
648  static const enum AVPixelFormat pix_fmts[] = {
650  };
651 
652  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
653  if (!fmts_list)
654  return AVERROR(ENOMEM);
655  return ff_set_common_formats(ctx, fmts_list);
656 }
657 
658 static const AVFilterPad avfilter_vsrc_testsrc_outputs[] = {
659  {
660  .name = "default",
661  .type = AVMEDIA_TYPE_VIDEO,
662  .request_frame = request_frame,
663  .config_props = config_props,
664  },
665  { NULL }
666 };
667 
668 AVFilter ff_vsrc_testsrc = {
669  .name = "testsrc",
670  .description = NULL_IF_CONFIG_SMALL("Generate test pattern."),
671  .priv_size = sizeof(TestSourceContext),
672  .priv_class = &testsrc_class,
673  .init = test_init,
674  .uninit = uninit,
675  .query_formats = test_query_formats,
676  .inputs = NULL,
677  .outputs = avfilter_vsrc_testsrc_outputs,
678 };
679 
680 #endif /* CONFIG_TESTSRC_FILTER */
681 
682 #if CONFIG_RGBTESTSRC_FILTER
683 
684 #define rgbtestsrc_options options
685 AVFILTER_DEFINE_CLASS(rgbtestsrc);
686 
687 #define R 0
688 #define G 1
689 #define B 2
690 #define A 3
691 
692 static void rgbtest_put_pixel(uint8_t *dst, int dst_linesize,
693  int x, int y, int r, int g, int b, enum AVPixelFormat fmt,
694  uint8_t rgba_map[4])
695 {
696  int32_t v;
697  uint8_t *p;
698 
699  switch (fmt) {
700  case AV_PIX_FMT_BGR444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r >> 4) << 8) | ((g >> 4) << 4) | (b >> 4); break;
701  case AV_PIX_FMT_RGB444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b >> 4) << 8) | ((g >> 4) << 4) | (r >> 4); break;
702  case AV_PIX_FMT_BGR555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<10) | ((g>>3)<<5) | (b>>3); break;
703  case AV_PIX_FMT_RGB555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<10) | ((g>>3)<<5) | (r>>3); break;
704  case AV_PIX_FMT_BGR565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<11) | ((g>>2)<<5) | (b>>3); break;
705  case AV_PIX_FMT_RGB565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<11) | ((g>>2)<<5) | (r>>3); break;
706  case AV_PIX_FMT_RGB24:
707  case AV_PIX_FMT_BGR24:
708  v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8));
709  p = dst + 3*x + y*dst_linesize;
710  AV_WL24(p, v);
711  break;
712  case AV_PIX_FMT_RGBA:
713  case AV_PIX_FMT_BGRA:
714  case AV_PIX_FMT_ARGB:
715  case AV_PIX_FMT_ABGR:
716  v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8)) + (255 << (rgba_map[A]*8));
717  p = dst + 4*x + y*dst_linesize;
718  AV_WL32(p, v);
719  break;
720  }
721 }
722 
723 static void rgbtest_fill_picture(AVFilterContext *ctx, AVFrame *frame)
724 {
725  TestSourceContext *test = ctx->priv;
726  int x, y, w = frame->width, h = frame->height;
727 
728  for (y = 0; y < h; y++) {
729  for (x = 0; x < w; x++) {
730  int c = 256*x/w;
731  int r = 0, g = 0, b = 0;
732 
733  if (3*y < h ) r = c;
734  else if (3*y < 2*h) g = c;
735  else b = c;
736 
737  rgbtest_put_pixel(frame->data[0], frame->linesize[0], x, y, r, g, b,
738  ctx->outputs[0]->format, test->rgba_map);
739  }
740  }
741 }
742 
743 static av_cold int rgbtest_init(AVFilterContext *ctx)
744 {
745  TestSourceContext *test = ctx->priv;
746 
747  test->draw_once = 1;
748  test->fill_picture_fn = rgbtest_fill_picture;
749  return init(ctx);
750 }
751 
752 static int rgbtest_query_formats(AVFilterContext *ctx)
753 {
754  static const enum AVPixelFormat pix_fmts[] = {
761  };
762 
763  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
764  if (!fmts_list)
765  return AVERROR(ENOMEM);
766  return ff_set_common_formats(ctx, fmts_list);
767 }
768 
769 static int rgbtest_config_props(AVFilterLink *outlink)
770 {
771  TestSourceContext *test = outlink->src->priv;
772 
773  ff_fill_rgba_map(test->rgba_map, outlink->format);
774  return config_props(outlink);
775 }
776 
777 static const AVFilterPad avfilter_vsrc_rgbtestsrc_outputs[] = {
778  {
779  .name = "default",
780  .type = AVMEDIA_TYPE_VIDEO,
781  .request_frame = request_frame,
782  .config_props = rgbtest_config_props,
783  },
784  { NULL }
785 };
786 
787 AVFilter ff_vsrc_rgbtestsrc = {
788  .name = "rgbtestsrc",
789  .description = NULL_IF_CONFIG_SMALL("Generate RGB test pattern."),
790  .priv_size = sizeof(TestSourceContext),
791  .priv_class = &rgbtestsrc_class,
792  .init = rgbtest_init,
793  .uninit = uninit,
794  .query_formats = rgbtest_query_formats,
795  .inputs = NULL,
796  .outputs = avfilter_vsrc_rgbtestsrc_outputs,
797 };
798 
799 #endif /* CONFIG_RGBTESTSRC_FILTER */
800 
801 #if CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER
802 
803 static const uint8_t rainbow[7][4] = {
804  { 180, 128, 128, 255 }, /* 75% white */
805  { 161, 44, 141, 255 }, /* 75% yellow */
806  { 131, 156, 44, 255 }, /* 75% cyan */
807  { 112, 72, 57, 255 }, /* 75% green */
808  { 83, 183, 198, 255 }, /* 75% magenta */
809  { 65, 99, 212, 255 }, /* 75% red */
810  { 34, 212, 114, 255 }, /* 75% blue */
811 };
812 
813 static const uint8_t rainbowhd[7][4] = {
814  { 180, 128, 128, 255 }, /* 75% white */
815  { 168, 44, 136, 255 }, /* 75% yellow */
816  { 145, 147, 44, 255 }, /* 75% cyan */
817  { 133, 63, 52, 255 }, /* 75% green */
818  { 63, 193, 204, 255 }, /* 75% magenta */
819  { 51, 109, 212, 255 }, /* 75% red */
820  { 28, 212, 120, 255 }, /* 75% blue */
821 };
822 
823 static const uint8_t wobnair[7][4] = {
824  { 34, 212, 114, 255 }, /* 75% blue */
825  { 19, 128, 128, 255 }, /* 7.5% intensity black */
826  { 83, 183, 198, 255 }, /* 75% magenta */
827  { 19, 128, 128, 255 }, /* 7.5% intensity black */
828  { 131, 156, 44, 255 }, /* 75% cyan */
829  { 19, 128, 128, 255 }, /* 7.5% intensity black */
830  { 180, 128, 128, 255 }, /* 75% white */
831 };
832 
833 static const uint8_t white[4] = { 235, 128, 128, 255 };
834 
835 /* pluge pulses */
836 static const uint8_t neg4ire[4] = { 7, 128, 128, 255 };
837 static const uint8_t pos4ire[4] = { 24, 128, 128, 255 };
838 
839 /* fudged Q/-I */
840 static const uint8_t i_pixel[4] = { 57, 156, 97, 255 };
841 static const uint8_t q_pixel[4] = { 44, 171, 147, 255 };
842 
843 static const uint8_t gray40[4] = { 104, 128, 128, 255 };
844 static const uint8_t gray15[4] = { 49, 128, 128, 255 };
845 static const uint8_t cyan[4] = { 188, 154, 16, 255 };
846 static const uint8_t yellow[4] = { 219, 16, 138, 255 };
847 static const uint8_t blue[4] = { 32, 240, 118, 255 };
848 static const uint8_t red[4] = { 63, 102, 240, 255 };
849 static const uint8_t black0[4] = { 16, 128, 128, 255 };
850 static const uint8_t black2[4] = { 20, 128, 128, 255 };
851 static const uint8_t black4[4] = { 25, 128, 128, 255 };
852 static const uint8_t neg2[4] = { 12, 128, 128, 255 };
853 
854 static void draw_bar(TestSourceContext *test, const uint8_t color[4],
855  int x, int y, int w, int h,
856  AVFrame *frame)
857 {
858  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
859  uint8_t *p, *p0;
860  int plane;
861 
862  x = FFMIN(x, test->w - 1);
863  y = FFMIN(y, test->h - 1);
864  w = FFMIN(w, test->w - x);
865  h = FFMIN(h, test->h - y);
866 
867  av_assert0(x + w <= test->w);
868  av_assert0(y + h <= test->h);
869 
870  for (plane = 0; frame->data[plane]; plane++) {
871  const int c = color[plane];
872  const int linesize = frame->linesize[plane];
873  int i, px, py, pw, ph;
874 
875  if (plane == 1 || plane == 2) {
876  px = x >> desc->log2_chroma_w;
877  pw = FF_CEIL_RSHIFT(w, desc->log2_chroma_w);
878  py = y >> desc->log2_chroma_h;
879  ph = FF_CEIL_RSHIFT(h, desc->log2_chroma_h);
880  } else {
881  px = x;
882  pw = w;
883  py = y;
884  ph = h;
885  }
886 
887  p0 = p = frame->data[plane] + py * linesize + px;
888  memset(p, c, pw);
889  p += linesize;
890  for (i = 1; i < ph; i++, p += linesize)
891  memcpy(p, p0, pw);
892  }
893 }
894 
895 static int smptebars_query_formats(AVFilterContext *ctx)
896 {
897  static const enum AVPixelFormat pix_fmts[] = {
902  };
903 
904  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
905  if (!fmts_list)
906  return AVERROR(ENOMEM);
907  return ff_set_common_formats(ctx, fmts_list);
908 }
909 
910 static const AVFilterPad smptebars_outputs[] = {
911  {
912  .name = "default",
913  .type = AVMEDIA_TYPE_VIDEO,
914  .request_frame = request_frame,
915  .config_props = config_props,
916  },
917  { NULL }
918 };
919 
920 #if CONFIG_SMPTEBARS_FILTER
921 
922 #define smptebars_options options
923 AVFILTER_DEFINE_CLASS(smptebars);
924 
925 static void smptebars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
926 {
927  TestSourceContext *test = ctx->priv;
928  int r_w, r_h, w_h, p_w, p_h, i, tmp, x = 0;
929  const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
930 
932 
933  r_w = FFALIGN((test->w + 6) / 7, 1 << pixdesc->log2_chroma_w);
934  r_h = FFALIGN(test->h * 2 / 3, 1 << pixdesc->log2_chroma_h);
935  w_h = FFALIGN(test->h * 3 / 4 - r_h, 1 << pixdesc->log2_chroma_h);
936  p_w = FFALIGN(r_w * 5 / 4, 1 << pixdesc->log2_chroma_w);
937  p_h = test->h - w_h - r_h;
938 
939  for (i = 0; i < 7; i++) {
940  draw_bar(test, rainbow[i], x, 0, r_w, r_h, picref);
941  draw_bar(test, wobnair[i], x, r_h, r_w, w_h, picref);
942  x += r_w;
943  }
944  x = 0;
945  draw_bar(test, i_pixel, x, r_h + w_h, p_w, p_h, picref);
946  x += p_w;
947  draw_bar(test, white, x, r_h + w_h, p_w, p_h, picref);
948  x += p_w;
949  draw_bar(test, q_pixel, x, r_h + w_h, p_w, p_h, picref);
950  x += p_w;
951  tmp = FFALIGN(5 * r_w - x, 1 << pixdesc->log2_chroma_w);
952  draw_bar(test, black0, x, r_h + w_h, tmp, p_h, picref);
953  x += tmp;
954  tmp = FFALIGN(r_w / 3, 1 << pixdesc->log2_chroma_w);
955  draw_bar(test, neg4ire, x, r_h + w_h, tmp, p_h, picref);
956  x += tmp;
957  draw_bar(test, black0, x, r_h + w_h, tmp, p_h, picref);
958  x += tmp;
959  draw_bar(test, pos4ire, x, r_h + w_h, tmp, p_h, picref);
960  x += tmp;
961  draw_bar(test, black0, x, r_h + w_h, test->w - x, p_h, picref);
962 }
963 
964 static av_cold int smptebars_init(AVFilterContext *ctx)
965 {
966  TestSourceContext *test = ctx->priv;
967 
968  test->fill_picture_fn = smptebars_fill_picture;
969  test->draw_once = 1;
970  return init(ctx);
971 }
972 
973 AVFilter ff_vsrc_smptebars = {
974  .name = "smptebars",
975  .description = NULL_IF_CONFIG_SMALL("Generate SMPTE color bars."),
976  .priv_size = sizeof(TestSourceContext),
977  .priv_class = &smptebars_class,
978  .init = smptebars_init,
979  .uninit = uninit,
980  .query_formats = smptebars_query_formats,
981  .inputs = NULL,
982  .outputs = smptebars_outputs,
983 };
984 
985 #endif /* CONFIG_SMPTEBARS_FILTER */
986 
987 #if CONFIG_SMPTEHDBARS_FILTER
988 
989 #define smptehdbars_options options
990 AVFILTER_DEFINE_CLASS(smptehdbars);
991 
992 static void smptehdbars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
993 {
994  TestSourceContext *test = ctx->priv;
995  int d_w, r_w, r_h, l_w, i, tmp, x = 0, y = 0;
996  const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
997 
999 
1000  d_w = FFALIGN(test->w / 8, 1 << pixdesc->log2_chroma_w);
1001  r_h = FFALIGN(test->h * 7 / 12, 1 << pixdesc->log2_chroma_h);
1002  draw_bar(test, gray40, x, 0, d_w, r_h, picref);
1003  x += d_w;
1004 
1005  r_w = FFALIGN((((test->w + 3) / 4) * 3) / 7, 1 << pixdesc->log2_chroma_w);
1006  for (i = 0; i < 7; i++) {
1007  draw_bar(test, rainbowhd[i], x, 0, r_w, r_h, picref);
1008  x += r_w;
1009  }
1010  draw_bar(test, gray40, x, 0, test->w - x, r_h, picref);
1011  y = r_h;
1012  r_h = FFALIGN(test->h / 12, 1 << pixdesc->log2_chroma_h);
1013  draw_bar(test, cyan, 0, y, d_w, r_h, picref);
1014  x = d_w;
1015  draw_bar(test, i_pixel, x, y, r_w, r_h, picref);
1016  x += r_w;
1017  tmp = r_w * 6;
1018  draw_bar(test, rainbowhd[0], x, y, tmp, r_h, picref);
1019  x += tmp;
1020  l_w = x;
1021  draw_bar(test, blue, x, y, test->w - x, r_h, picref);
1022  y += r_h;
1023  draw_bar(test, yellow, 0, y, d_w, r_h, picref);
1024  x = d_w;
1025  draw_bar(test, q_pixel, x, y, r_w, r_h, picref);
1026  x += r_w;
1027 
1028  for (i = 0; i < tmp; i += 1 << pixdesc->log2_chroma_w) {
1029  uint8_t yramp[4] = {0};
1030 
1031  yramp[0] = i * 255 / tmp;
1032  yramp[1] = 128;
1033  yramp[2] = 128;
1034  yramp[3] = 255;
1035 
1036  draw_bar(test, yramp, x, y, 1 << pixdesc->log2_chroma_w, r_h, picref);
1037  x += 1 << pixdesc->log2_chroma_w;
1038  }
1039  draw_bar(test, red, x, y, test->w - x, r_h, picref);
1040  y += r_h;
1041  draw_bar(test, gray15, 0, y, d_w, test->h - y, picref);
1042  x = d_w;
1043  tmp = FFALIGN(r_w * 3 / 2, 1 << pixdesc->log2_chroma_w);
1044  draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1045  x += tmp;
1046  tmp = FFALIGN(r_w * 2, 1 << pixdesc->log2_chroma_w);
1047  draw_bar(test, white, x, y, tmp, test->h - y, picref);
1048  x += tmp;
1049  tmp = FFALIGN(r_w * 5 / 6, 1 << pixdesc->log2_chroma_w);
1050  draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1051  x += tmp;
1052  tmp = FFALIGN(r_w / 3, 1 << pixdesc->log2_chroma_w);
1053  draw_bar(test, neg2, x, y, tmp, test->h - y, picref);
1054  x += tmp;
1055  draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1056  x += tmp;
1057  draw_bar(test, black2, x, y, tmp, test->h - y, picref);
1058  x += tmp;
1059  draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1060  x += tmp;
1061  draw_bar(test, black4, x, y, tmp, test->h - y, picref);
1062  x += tmp;
1063  r_w = l_w - x;
1064  draw_bar(test, black0, x, y, r_w, test->h - y, picref);
1065  x += r_w;
1066  draw_bar(test, gray15, x, y, test->w - x, test->h - y, picref);
1067 }
1068 
1069 static av_cold int smptehdbars_init(AVFilterContext *ctx)
1070 {
1071  TestSourceContext *test = ctx->priv;
1072 
1073  test->fill_picture_fn = smptehdbars_fill_picture;
1074  test->draw_once = 1;
1075  return init(ctx);
1076 }
1077 
1078 AVFilter ff_vsrc_smptehdbars = {
1079  .name = "smptehdbars",
1080  .description = NULL_IF_CONFIG_SMALL("Generate SMPTE HD color bars."),
1081  .priv_size = sizeof(TestSourceContext),
1082  .priv_class = &smptehdbars_class,
1083  .init = smptehdbars_init,
1084  .uninit = uninit,
1085  .query_formats = smptebars_query_formats,
1086  .inputs = NULL,
1087  .outputs = smptebars_outputs,
1088 };
1089 
1090 #endif /* CONFIG_SMPTEHDBARS_FILTER */
1091 #endif /* CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER */
1092 
1093 #if CONFIG_ALLYUV_FILTER
1094 
1095 static const AVOption allyuv_options[] = {
1097  { NULL }
1098 };
1099 
1100 AVFILTER_DEFINE_CLASS(allyuv);
1101 
1102 static void allyuv_fill_picture(AVFilterContext *ctx, AVFrame *frame)
1103 {
1104  const int ys = frame->linesize[0];
1105  const int us = frame->linesize[1];
1106  const int vs = frame->linesize[2];
1107  int x, y, j;
1108 
1109  for (y = 0; y < 4096; y++) {
1110  for (x = 0; x < 2048; x++) {
1111  frame->data[0][y * ys + x] = ((x / 8) % 256);
1112  frame->data[0][y * ys + 4095 - x] = ((x / 8) % 256);
1113  }
1114 
1115  for (x = 0; x < 2048; x+=8) {
1116  for (j = 0; j < 8; j++) {
1117  frame->data[1][vs * y + x + j] = (y%16 + (j % 8) * 16);
1118  frame->data[1][vs * y + 4095 - x - j] = (128 + y%16 + (j % 8) * 16);
1119  }
1120  }
1121 
1122  for (x = 0; x < 4096; x++)
1123  frame->data[2][y * us + x] = 256 * y / 4096;
1124  }
1125 }
1126 
1127 static av_cold int allyuv_init(AVFilterContext *ctx)
1128 {
1129  TestSourceContext *test = ctx->priv;
1130 
1131  test->w = test->h = 4096;
1132  test->draw_once = 1;
1133  test->fill_picture_fn = allyuv_fill_picture;
1134  return init(ctx);
1135 }
1136 
1137 static int allyuv_query_formats(AVFilterContext *ctx)
1138 {
1139  static const enum AVPixelFormat pix_fmts[] = {
1142  };
1143 
1144  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
1145  if (!fmts_list)
1146  return AVERROR(ENOMEM);
1147  return ff_set_common_formats(ctx, fmts_list);
1148 }
1149 
1150 static const AVFilterPad avfilter_vsrc_allyuv_outputs[] = {
1151  {
1152  .name = "default",
1153  .type = AVMEDIA_TYPE_VIDEO,
1154  .request_frame = request_frame,
1155  .config_props = config_props,
1156  },
1157  { NULL }
1158 };
1159 
1160 AVFilter ff_vsrc_allyuv = {
1161  .name = "allyuv",
1162  .description = NULL_IF_CONFIG_SMALL("Generate all yuv colors."),
1163  .priv_size = sizeof(TestSourceContext),
1164  .priv_class = &allyuv_class,
1165  .init = allyuv_init,
1166  .uninit = uninit,
1167  .query_formats = allyuv_query_formats,
1168  .inputs = NULL,
1169  .outputs = avfilter_vsrc_allyuv_outputs,
1170 };
1171 
1172 #endif /* CONFIG_ALLYUV_FILTER */
1173 
1174 #if CONFIG_ALLRGB_FILTER
1175 
1176 static const AVOption allrgb_options[] = {
1178  { NULL }
1179 };
1180 
1181 AVFILTER_DEFINE_CLASS(allrgb);
1182 
1183 static void allrgb_fill_picture(AVFilterContext *ctx, AVFrame *frame)
1184 {
1185  unsigned x, y;
1186  const int linesize = frame->linesize[0];
1187  uint8_t *line = frame->data[0];
1188 
1189  for (y = 0; y < 4096; y++) {
1190  uint8_t *dst = line;
1191 
1192  for (x = 0; x < 4096; x++) {
1193  *dst++ = x;
1194  *dst++ = y;
1195  *dst++ = (x >> 8) | ((y >> 8) << 4);
1196  }
1197  line += linesize;
1198  }
1199 }
1200 
1201 static av_cold int allrgb_init(AVFilterContext *ctx)
1202 {
1203  TestSourceContext *test = ctx->priv;
1204 
1205  test->w = test->h = 4096;
1206  test->draw_once = 1;
1207  test->fill_picture_fn = allrgb_fill_picture;
1208  return init(ctx);
1209 }
1210 
1211 static int allrgb_config_props(AVFilterLink *outlink)
1212 {
1213  TestSourceContext *test = outlink->src->priv;
1214 
1215  ff_fill_rgba_map(test->rgba_map, outlink->format);
1216  return config_props(outlink);
1217 }
1218 
1219 static int allrgb_query_formats(AVFilterContext *ctx)
1220 {
1221  static const enum AVPixelFormat pix_fmts[] = {
1223  };
1224 
1225  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
1226  if (!fmts_list)
1227  return AVERROR(ENOMEM);
1228  return ff_set_common_formats(ctx, fmts_list);
1229 }
1230 
1231 static const AVFilterPad avfilter_vsrc_allrgb_outputs[] = {
1232  {
1233  .name = "default",
1234  .type = AVMEDIA_TYPE_VIDEO,
1235  .request_frame = request_frame,
1236  .config_props = allrgb_config_props,
1237  },
1238  { NULL }
1239 };
1240 
1241 AVFilter ff_vsrc_allrgb = {
1242  .name = "allrgb",
1243  .description = NULL_IF_CONFIG_SMALL("Generate all RGB colors."),
1244  .priv_size = sizeof(TestSourceContext),
1245  .priv_class = &allrgb_class,
1246  .init = allrgb_init,
1247  .uninit = uninit,
1248  .query_formats = allrgb_query_formats,
1249  .inputs = NULL,
1250  .outputs = avfilter_vsrc_allrgb_outputs,
1251 };
1252 
1253 #endif /* CONFIG_ALLRGB_FILTER */
also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
Definition: pixfmt.h:519
int plane
Definition: avisynth_c.h:291
AVFilterFormats * ff_draw_supported_pixel_formats(unsigned flags)
Return the list of pixel formats supported by the draw functions.
Definition: drawutils.c:530
#define NULL
Definition: coverity.c:32
const char const char void * val
Definition: avisynth_c.h:634
float v
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2129
This structure describes decoded (raw) audio or video data.
Definition: frame.h:171
AVOption.
Definition: opt.h:255
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
const char * fmt
Definition: avisynth_c.h:632
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:63
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:68
misc image utilities
static const AVFilterPad outputs[]
Definition: af_ashowinfo.c:248
Main libavfilter public API header.
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:65
const char * g
Definition: vf_curves.c:108
#define AV_PIX_FMT_RGBA64
Definition: pixfmt.h:370
also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601 ...
Definition: pixfmt.h:523
Definition: vf_geq.c:46
static void draw_rectangle(AVFormatContext *s)
Definition: xcbgrab.c:564
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:188
int num
numerator
Definition: rational.h:44
const char * b
Definition: vf_curves.c:109
static av_cold void uninit(AVFilterContext *ctx)
Definition: vsrc_testsrc.c:115
#define AV_PIX_FMT_BGRA64
Definition: pixfmt.h:375
#define COMMON_OPTIONS_NOSIZE
Definition: vsrc_testsrc.c:86
packed BGR 8:8:8, 32bpp, XBGRXBGR... X=unused/undefined
Definition: pixfmt.h:278
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:109
int draw_once
draw only the first frame, always put out the same picture
Definition: vsrc_testsrc.c:58
#define AV_PIX_FMT_RGB444
Definition: pixfmt.h:369
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:80
#define FFALIGN(x, a)
Definition: common.h:86
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:100
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:518
const char * name
Pad name.
Definition: internal.h:69
#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:59
#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:1158
uint8_t
#define av_cold
Definition: attributes.h:74
packed RGB 8:8:8, 32bpp, RGBXRGBX... X=unused/undefined
Definition: pixfmt.h:277
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:257
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Definition: pixfmt.h:96
static AVFrame * frame
static double av_q2d(AVRational a)
Convert rational to double.
Definition: rational.h:80
static int request_frame(AVFilterLink *outlink)
Definition: vsrc_testsrc.c:135
#define AVERROR_EOF
End of file.
Definition: error.h:55
#define AV_PIX_FMT_BGR48
Definition: pixfmt.h:371
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:367
#define A(x)
Definition: vp56_arith.h:28
#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:348
A filter pad used for either input or output.
Definition: internal.h:63
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
Definition: mathematics.c:140
static double alpha(void *priv, double x, double y)
Definition: vf_geq.c:99
int width
width and height of the video frame
Definition: frame.h:220
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:542
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:89
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:148
void av_frame_set_colorspace(AVFrame *frame, enum AVColorSpace val)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:175
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition: pixfmt.h:97
const char * r
Definition: vf_curves.c:107
void * priv
private data for use by the filter
Definition: avfilter.h:654
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:2094
void ff_draw_color(FFDrawContext *draw, FFDrawColor *color, const uint8_t rgba[4])
Prepare a color.
Definition: drawutils.c:203
Definition: graph2dot.c:48
#define AV_PIX_FMT_RGB48
Definition: pixfmt.h:366
simple assert() macros that are a bit more flexible than ISO C assert().
#define COMMON_OPTIONS
Definition: vsrc_testsrc.c:93
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
Definition: pixfmt.h:94
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition: pixfmt.h:95
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:67
AVRational sar
sample aspect ratio
Definition: vsrc_testsrc.c:57
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:241
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:242
static void test(const char *pattern, const char *host)
Definition: noproxy-test.c:23
#define FFMIN(a, b)
Definition: common.h:81
float y
Round toward zero.
Definition: mathematics.h:71
int64_t duration
duration expressed in microseconds
Definition: vsrc_testsrc.c:56
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
#define FF_CEIL_RSHIFT(a, b)
Definition: common.h:57
static int config_props(AVFilterLink *outlink)
Definition: vsrc_testsrc.c:122
int32_t
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:66
static int process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Definition: af_atempo.c:1165
#define FLAGS
Definition: vsrc_testsrc.c:80
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:451
#define FF_ARRAY_ELEMS(a)
int ff_fill_rgba_map(uint8_t *rgba_map, enum AVPixelFormat pix_fmt)
Definition: drawutils.c:34
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:232
#define AV_PIX_FMT_BGR555
Definition: pixfmt.h:373
uint8_t color_rgba[4]
Definition: vsrc_testsrc.c:70
misc drawing utilities
#define AV_TIME_BASE_Q
Internal time base represented as fractional value.
Definition: avutil.h:252
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:199
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:69
uint8_t rgba_map[4]
Definition: vsrc_testsrc.c:73
AVRational sample_aspect_ratio
Sample aspect ratio for the video frame, 0/1 if unknown/unspecified.
Definition: frame.h:252
BYTE int const BYTE int int int height
Definition: avisynth_c.h:676
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:69
AVRational frame_rate
Definition: vsrc_testsrc.c:54
Describe the class of an AVClass context structure.
Definition: log.h:67
Filter definition.
Definition: avfilter.h:470
static const AVFilterPad inputs[]
Definition: af_ashowinfo.c:239
rational number numerator/denominator
Definition: rational.h:43
packed BGR 8:8:8, 32bpp, BGRXBGRX... X=unused/undefined
Definition: pixfmt.h:279
const char * name
Filter name.
Definition: avfilter.h:474
int ff_draw_init(FFDrawContext *draw, enum AVPixelFormat format, unsigned flags)
Init a draw context.
Definition: drawutils.c:161
misc parsing utilities
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:648
FFDrawColor color
Definition: vsrc_testsrc.c:69
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:209
#define AV_PIX_FMT_BGR565
Definition: pixfmt.h:372
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:133
static int flags
Definition: cpu.c:47
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:182
uint8_t level
Definition: svq3.c:150
AVRational time_base
Definition: vsrc_testsrc.c:54
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:63
static int query_formats(AVFilterContext *ctx)
Definition: aeval.c:244
common internal and external API header
unsigned int nb_frame
Definition: vsrc_testsrc.c:53
static double c[64]
#define AV_PIX_FMT_BGR444
Definition: pixfmt.h:374
static const AVOption options[]
Definition: vsrc_testsrc.c:95
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:368
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:70
int den
denominator
Definition: rational.h:45
Definition: vf_geq.c:46
#define AVFILTER_DEFINE_CLASS(fname)
Definition: internal.h:334
int key_frame
1 -> keyframe, 0-> not
Definition: frame.h:237
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:62
#define OFFSET(x)
Definition: vsrc_testsrc.c:79
#define AV_PIX_FMT_RGB565
Definition: pixfmt.h:367
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:265
An instance of a filter.
Definition: avfilter.h:633
int height
Definition: frame.h:220
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:101
Definition: vf_geq.c:46
FFDrawContext draw
Definition: vsrc_testsrc.c:68
internal API functions
packed RGB 8:8:8, 32bpp, XRGBXRGB... X=unused/undefined
Definition: pixfmt.h:276
AVFrame * picref
cached reference containing the painted picture
Definition: vsrc_testsrc.c:60
AVPixelFormat
Pixel format.
Definition: pixfmt.h:61
#define AV_WL32(p, v)
Definition: intreadwrite.h:426
static int width