2 * Copyright (c) 2007 Nicolas George <nicolas.george@normalesup.org>
3 * Copyright (c) 2011 Stefano Sabatini
4 * Copyright (c) 2012 Paul B Mahol
6 * This file is part of FFmpeg.
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.
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.
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
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
30 * rgbtestsrc is ported from MPlayer libmpcodecs/vf_rgbtest.c by
31 * Michael Niedermayer.
33 * smptebars and smptehdbars are by Paul B Mahol.
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"
45 #include "drawutils.h"
50 typedef struct TestSourceContext {
53 unsigned int nb_frame;
54 AVRational time_base, frame_rate;
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
62 void (* fill_picture_fn)(AVFilterContext *ctx, AVFrame *frame);
64 /* only used by testsrc */
67 /* only used by color */
70 uint8_t color_rgba[4];
72 /* only used by rgbtest */
75 /* only used by haldclut */
79 #define OFFSET(x) offsetof(TestSourceContext, x)
80 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
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 },\
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 },
93 #define COMMON_OPTIONS SIZE_OPTIONS COMMON_OPTIONS_NOSIZE
95 static const AVOption options[] = {
100 static av_cold int init(AVFilterContext *ctx)
102 TestSourceContext *test = ctx->priv;
104 test->time_base = av_inv_q(test->frame_rate);
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);
115 static av_cold void uninit(AVFilterContext *ctx)
117 TestSourceContext *test = ctx->priv;
119 av_frame_free(&test->picref);
122 static int config_props(AVFilterLink *outlink)
124 TestSourceContext *test = outlink->src->priv;
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;
135 static int request_frame(AVFilterLink *outlink)
137 TestSourceContext *test = outlink->src->priv;
140 if (test->duration >= 0 &&
141 av_rescale_q(test->pts, test->time_base, AV_TIME_BASE_Q) >= test->duration)
144 if (test->draw_once) {
145 if (test->draw_once_reset) {
146 av_frame_free(&test->picref);
147 test->draw_once_reset = 0;
151 ff_get_video_buffer(outlink, test->w, test->h);
153 return AVERROR(ENOMEM);
154 test->fill_picture_fn(outlink->src, test->picref);
156 frame = av_frame_clone(test->picref);
158 frame = ff_get_video_buffer(outlink, test->w, test->h);
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);
173 return ff_filter_frame(outlink, frame);
176 #if CONFIG_COLOR_FILTER
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 },
185 AVFILTER_DEFINE_CLASS(color);
187 static void color_fill_picture(AVFilterContext *ctx, AVFrame *picref)
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);
195 static av_cold int color_init(AVFilterContext *ctx)
197 TestSourceContext *test = ctx->priv;
198 test->fill_picture_fn = color_fill_picture;
203 static int color_query_formats(AVFilterContext *ctx)
205 return ff_set_common_formats(ctx, ff_draw_supported_pixel_formats(0));
208 static int color_config_props(AVFilterLink *inlink)
210 AVFilterContext *ctx = inlink->src;
211 TestSourceContext *test = ctx->priv;
214 ff_draw_init(&test->draw, inlink->format, 0);
215 ff_draw_color(&test->draw, &test->color, test->color_rgba);
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);
222 if ((ret = config_props(inlink)) < 0)
228 static int color_process_command(AVFilterContext *ctx, const char *cmd, const char *args,
229 char *res, int res_len, int flags)
231 TestSourceContext *test = ctx->priv;
234 if (!strcmp(cmd, "color") || !strcmp(cmd, "c")) {
235 uint8_t color_rgba[4];
237 ret = av_parse_color(color_rgba, args, -1, ctx);
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;
247 return AVERROR(ENOSYS);
250 static const AVFilterPad color_outputs[] = {
253 .type = AVMEDIA_TYPE_VIDEO,
254 .request_frame = request_frame,
255 .config_props = color_config_props,
260 AVFilter ff_vsrc_color = {
262 .description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input."),
263 .priv_class = &color_class,
264 .priv_size = sizeof(TestSourceContext),
267 .query_formats = color_query_formats,
269 .outputs = color_outputs,
270 .process_command = color_process_command,
273 #endif /* CONFIG_COLOR_FILTER */
275 #if CONFIG_HALDCLUTSRC_FILTER
277 static const AVOption haldclutsrc_options[] = {
278 { "level", "set level", OFFSET(level), AV_OPT_TYPE_INT, {.i64 = 6}, 2, 8, FLAGS },
279 COMMON_OPTIONS_NOSIZE
283 AVFILTER_DEFINE_CLASS(haldclutsrc);
285 static void haldclutsrc_fill_picture(AVFilterContext *ctx, AVFrame *frame)
287 int i, j, k, x = 0, y = 0, is16bit = 0, step;
289 const TestSourceContext *hc = ctx->priv;
290 int level = hc->level;
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);
299 av_assert0(w == h && w == level*level*level);
301 ff_fill_rgba_map(rgba_map, frame->format);
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:
311 case AV_PIX_FMT_RGBA:
312 case AV_PIX_FMT_BGRA:
313 case AV_PIX_FMT_ARGB:
314 case AV_PIX_FMT_ABGR:
319 step = av_get_padded_bits_per_pixel(desc) >> (3 + is16bit);
320 scale = ((float)(1 << (8*(is16bit+1))) - 1) / (level*level - 1);
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); \
328 dst[rgba_map[3]] = alpha; \
332 for (k = 0; k < level; k++) {
333 for (j = 0; j < level; j++) {
334 for (i = 0; i < level; i++) {
348 static av_cold int haldclutsrc_init(AVFilterContext *ctx)
350 TestSourceContext *hc = ctx->priv;
351 hc->fill_picture_fn = haldclutsrc_fill_picture;
356 static int haldclutsrc_query_formats(AVFilterContext *ctx)
358 static const enum AVPixelFormat pix_fmts[] = {
359 AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
360 AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA,
361 AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR,
362 AV_PIX_FMT_0RGB, AV_PIX_FMT_0BGR,
363 AV_PIX_FMT_RGB0, AV_PIX_FMT_BGR0,
364 AV_PIX_FMT_RGB48, AV_PIX_FMT_BGR48,
365 AV_PIX_FMT_RGBA64, AV_PIX_FMT_BGRA64,
369 AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
371 return AVERROR(ENOMEM);
372 return ff_set_common_formats(ctx, fmts_list);
375 static int haldclutsrc_config_props(AVFilterLink *outlink)
377 AVFilterContext *ctx = outlink->src;
378 TestSourceContext *hc = ctx->priv;
380 hc->w = hc->h = hc->level * hc->level * hc->level;
381 return config_props(outlink);
384 static const AVFilterPad haldclutsrc_outputs[] = {
387 .type = AVMEDIA_TYPE_VIDEO,
388 .request_frame = request_frame,
389 .config_props = haldclutsrc_config_props,
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,
401 .query_formats = haldclutsrc_query_formats,
403 .outputs = haldclutsrc_outputs,
405 #endif /* CONFIG_HALDCLUTSRC_FILTER */
407 #if CONFIG_NULLSRC_FILTER
409 #define nullsrc_options options
410 AVFILTER_DEFINE_CLASS(nullsrc);
412 static void nullsrc_fill_picture(AVFilterContext *ctx, AVFrame *picref) { }
414 static av_cold int nullsrc_init(AVFilterContext *ctx)
416 TestSourceContext *test = ctx->priv;
418 test->fill_picture_fn = nullsrc_fill_picture;
422 static const AVFilterPad nullsrc_outputs[] = {
425 .type = AVMEDIA_TYPE_VIDEO,
426 .request_frame = request_frame,
427 .config_props = config_props,
432 AVFilter ff_vsrc_nullsrc = {
434 .description = NULL_IF_CONFIG_SMALL("Null video source, return unprocessed video frames."),
435 .init = nullsrc_init,
437 .priv_size = sizeof(TestSourceContext),
438 .priv_class = &nullsrc_class,
440 .outputs = nullsrc_outputs,
443 #endif /* CONFIG_NULLSRC_FILTER */
445 #if CONFIG_TESTSRC_FILTER
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 },
454 AVFILTER_DEFINE_CLASS(testsrc);
457 * Fill a rectangle with value val.
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
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)
474 dst += segment_width * (step * x + y * dst_linesize);
475 w *= segment_width * step;
477 for (i = 0; i < h; i++) {
483 static void draw_digit(int digit, uint8_t *dst, int dst_linesize,
489 #define LEFT_TOP_VBAR 8
490 #define LEFT_BOT_VBAR 16
491 #define RIGHT_TOP_VBAR 32
492 #define RIGHT_BOT_VBAR 64
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 */
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,
516 unsigned mask = masks[digit];
519 draw_rectangle(0, dst, dst_linesize, segment_width, 0, 0, 8, 13);
520 for (i = 0; i < FF_ARRAY_ELEMS(segments); i++)
522 draw_rectangle(255, dst, dst_linesize, segment_width,
523 segments[i].x, segments[i].y, segments[i].w, segments[i].h);
526 #define GRADIENT_SIZE (6 * 256)
528 static void test_fill_picture(AVFilterContext *ctx, AVFrame *frame)
530 TestSourceContext *test = ctx->priv;
533 int color, color_rest;
537 int dquad_x, dquad_y;
538 int grad, dgrad, rgrad, drgrad;
542 uint8_t *data = frame->data[0];
543 int width = frame->width;
544 int height = frame->height;
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;
551 for (y = 0; y < height; y++) {
557 for (x = 0; x < width; x++) {
563 *(p++) = icolor & 1 ? 255 : 0;
564 *(p++) = icolor & 2 ? 255 : 0;
565 *(p++) = icolor & 4 ? 255 : 0;
567 if (color_rest >= width) {
574 p0 += frame->linesize[0];
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) %
582 dgrad = GRADIENT_SIZE / width;
583 drgrad = GRADIENT_SIZE % width;
584 for (x = 0; x < width; x++) {
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;
590 grad >= 4 * 256 ? 0 :
591 grad >= 1 * 256 && grad < 3 * 256 ? 255 :
592 grad < 1 * 256 ? grad : 4 * 256 - 1 - grad;
595 grad >= 3 * 256 && grad < 5 * 256 ? 255 :
596 grad < 3 * 256 ? grad - 2 * 256 : 6 * 256 - 1 - grad;
599 if (rgrad >= GRADIENT_SIZE) {
601 rgrad -= GRADIENT_SIZE;
603 if (grad >= GRADIENT_SIZE)
604 grad -= GRADIENT_SIZE;
607 for (y = height / 8; y > 0; y--) {
608 memcpy(p+frame->linesize[0], p, 3 * width);
609 p += frame->linesize[0];
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);
621 for (x = 0; x < test->nb_decimals; x++)
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);
638 static av_cold int test_init(AVFilterContext *ctx)
640 TestSourceContext *test = ctx->priv;
642 test->fill_picture_fn = test_fill_picture;
646 static int test_query_formats(AVFilterContext *ctx)
648 static const enum AVPixelFormat pix_fmts[] = {
649 AV_PIX_FMT_RGB24, AV_PIX_FMT_NONE
652 AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
654 return AVERROR(ENOMEM);
655 return ff_set_common_formats(ctx, fmts_list);
658 static const AVFilterPad avfilter_vsrc_testsrc_outputs[] = {
661 .type = AVMEDIA_TYPE_VIDEO,
662 .request_frame = request_frame,
663 .config_props = config_props,
668 AVFilter ff_vsrc_testsrc = {
670 .description = NULL_IF_CONFIG_SMALL("Generate test pattern."),
671 .priv_size = sizeof(TestSourceContext),
672 .priv_class = &testsrc_class,
675 .query_formats = test_query_formats,
677 .outputs = avfilter_vsrc_testsrc_outputs,
680 #endif /* CONFIG_TESTSRC_FILTER */
682 #if CONFIG_RGBTESTSRC_FILTER
684 #define rgbtestsrc_options options
685 AVFILTER_DEFINE_CLASS(rgbtestsrc);
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,
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;
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;
723 static void rgbtest_fill_picture(AVFilterContext *ctx, AVFrame *frame)
725 TestSourceContext *test = ctx->priv;
726 int x, y, w = frame->width, h = frame->height;
728 for (y = 0; y < h; y++) {
729 for (x = 0; x < w; x++) {
731 int r = 0, g = 0, b = 0;
734 else if (3*y < 2*h) g = c;
737 rgbtest_put_pixel(frame->data[0], frame->linesize[0], x, y, r, g, b,
738 ctx->outputs[0]->format, test->rgba_map);
743 static av_cold int rgbtest_init(AVFilterContext *ctx)
745 TestSourceContext *test = ctx->priv;
748 test->fill_picture_fn = rgbtest_fill_picture;
752 static int rgbtest_query_formats(AVFilterContext *ctx)
754 static const enum AVPixelFormat pix_fmts[] = {
755 AV_PIX_FMT_RGBA, AV_PIX_FMT_ARGB, AV_PIX_FMT_BGRA, AV_PIX_FMT_ABGR,
756 AV_PIX_FMT_BGR24, AV_PIX_FMT_RGB24,
757 AV_PIX_FMT_RGB444, AV_PIX_FMT_BGR444,
758 AV_PIX_FMT_RGB565, AV_PIX_FMT_BGR565,
759 AV_PIX_FMT_RGB555, AV_PIX_FMT_BGR555,
763 AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
765 return AVERROR(ENOMEM);
766 return ff_set_common_formats(ctx, fmts_list);
769 static int rgbtest_config_props(AVFilterLink *outlink)
771 TestSourceContext *test = outlink->src->priv;
773 ff_fill_rgba_map(test->rgba_map, outlink->format);
774 return config_props(outlink);
777 static const AVFilterPad avfilter_vsrc_rgbtestsrc_outputs[] = {
780 .type = AVMEDIA_TYPE_VIDEO,
781 .request_frame = request_frame,
782 .config_props = rgbtest_config_props,
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,
794 .query_formats = rgbtest_query_formats,
796 .outputs = avfilter_vsrc_rgbtestsrc_outputs,
799 #endif /* CONFIG_RGBTESTSRC_FILTER */
801 #if CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER
803 static const uint8_t rainbow[7][4] = {
804 { 180, 128, 128, 255 }, /* gray */
805 { 168, 44, 136, 255 }, /* yellow */
806 { 145, 147, 44, 255 }, /* cyan */
807 { 133, 63, 52, 255 }, /* green */
808 { 63, 193, 204, 255 }, /* magenta */
809 { 51, 109, 212, 255 }, /* red */
810 { 28, 212, 120, 255 }, /* blue */
813 static const uint8_t wobnair[7][4] = {
814 { 32, 240, 118, 255 }, /* blue */
815 { 19, 128, 128, 255 }, /* 7.5% intensity black */
816 { 54, 184, 198, 255 }, /* magenta */
817 { 19, 128, 128, 255 }, /* 7.5% intensity black */
818 { 188, 154, 16, 255 }, /* cyan */
819 { 19, 128, 128, 255 }, /* 7.5% intensity black */
820 { 191, 128, 128, 255 }, /* gray */
823 static const uint8_t white[4] = { 235, 128, 128, 255 };
824 static const uint8_t black[4] = { 19, 128, 128, 255 }; /* 7.5% intensity black */
827 static const uint8_t neg4ire[4] = { 9, 128, 128, 255 }; /* 3.5% intensity black */
828 static const uint8_t pos4ire[4] = { 29, 128, 128, 255 }; /* 11.5% intensity black */
831 static const uint8_t i_pixel[4] = { 61, 153, 99, 255 };
832 static const uint8_t q_pixel[4] = { 35, 174, 152, 255 };
834 static const uint8_t gray40[4] = { 104, 128, 128, 255 };
835 static const uint8_t gray15[4] = { 49, 128, 128, 255 };
836 static const uint8_t cyan[4] = { 188, 154, 16, 255 };
837 static const uint8_t yellow[4] = { 219, 16, 138, 255 };
838 static const uint8_t blue[4] = { 32, 240, 118, 255 };
839 static const uint8_t red[4] = { 63, 102, 240, 255 };
840 static const uint8_t black0[4] = { 16, 128, 128, 255 };
841 static const uint8_t black2[4] = { 20, 128, 128, 255 };
842 static const uint8_t black4[4] = { 25, 128, 128, 255 };
843 static const uint8_t neg2[4] = { 12, 128, 128, 255 };
845 static void draw_bar(TestSourceContext *test, const uint8_t color[4],
846 unsigned x, unsigned y, unsigned w, unsigned h,
849 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
853 x = FFMIN(x, test->w - 1);
854 y = FFMIN(y, test->h - 1);
855 w = FFMIN(w, test->w - x);
856 h = FFMIN(h, test->h - y);
858 av_assert0(x + w <= test->w);
859 av_assert0(y + h <= test->h);
861 for (plane = 0; frame->data[plane]; plane++) {
862 const int c = color[plane];
863 const int linesize = frame->linesize[plane];
864 int i, px, py, pw, ph;
866 if (plane == 1 || plane == 2) {
867 px = x >> desc->log2_chroma_w;
868 pw = w >> desc->log2_chroma_w;
869 py = y >> desc->log2_chroma_h;
870 ph = h >> desc->log2_chroma_h;
878 p0 = p = frame->data[plane] + py * linesize + px;
881 for (i = 1; i < ph; i++, p += linesize)
886 static int smptebars_query_formats(AVFilterContext *ctx)
888 static const enum AVPixelFormat pix_fmts[] = {
889 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P,
890 AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
891 AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P,
895 AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
897 return AVERROR(ENOMEM);
898 return ff_set_common_formats(ctx, fmts_list);
901 static const AVFilterPad smptebars_outputs[] = {
904 .type = AVMEDIA_TYPE_VIDEO,
905 .request_frame = request_frame,
906 .config_props = config_props,
911 #if CONFIG_SMPTEBARS_FILTER
913 #define smptebars_options options
914 AVFILTER_DEFINE_CLASS(smptebars);
916 static void smptebars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
918 TestSourceContext *test = ctx->priv;
919 int r_w, r_h, w_h, p_w, p_h, i, tmp, x = 0;
920 const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
922 av_frame_set_colorspace(picref, AVCOL_SPC_BT470BG);
924 r_w = FFALIGN((test->w + 6) / 7, 1 << pixdesc->log2_chroma_w);
925 r_h = FFALIGN(test->h * 2 / 3, 1 << pixdesc->log2_chroma_h);
926 w_h = FFALIGN(test->h * 3 / 4 - r_h, 1 << pixdesc->log2_chroma_h);
927 p_w = FFALIGN(r_w * 5 / 4, 1 << pixdesc->log2_chroma_w);
928 p_h = test->h - w_h - r_h;
930 for (i = 0; i < 7; i++) {
931 draw_bar(test, rainbow[i], x, 0, r_w, r_h, picref);
932 draw_bar(test, wobnair[i], x, r_h, r_w, w_h, picref);
936 draw_bar(test, i_pixel, x, r_h + w_h, p_w, p_h, picref);
938 draw_bar(test, white, x, r_h + w_h, p_w, p_h, picref);
940 draw_bar(test, q_pixel, x, r_h + w_h, p_w, p_h, picref);
942 tmp = FFALIGN(5 * r_w - x, 1 << pixdesc->log2_chroma_w);
943 draw_bar(test, black, x, r_h + w_h, tmp, p_h, picref);
945 tmp = FFALIGN(r_w / 3, 1 << pixdesc->log2_chroma_w);
946 draw_bar(test, neg4ire, x, r_h + w_h, tmp, p_h, picref);
948 draw_bar(test, black, x, r_h + w_h, tmp, p_h, picref);
950 draw_bar(test, pos4ire, x, r_h + w_h, tmp, p_h, picref);
952 draw_bar(test, black, x, r_h + w_h, test->w - x, p_h, picref);
955 static av_cold int smptebars_init(AVFilterContext *ctx)
957 TestSourceContext *test = ctx->priv;
959 test->fill_picture_fn = smptebars_fill_picture;
964 AVFilter ff_vsrc_smptebars = {
966 .description = NULL_IF_CONFIG_SMALL("Generate SMPTE color bars."),
967 .priv_size = sizeof(TestSourceContext),
968 .priv_class = &smptebars_class,
969 .init = smptebars_init,
971 .query_formats = smptebars_query_formats,
973 .outputs = smptebars_outputs,
976 #endif /* CONFIG_SMPTEBARS_FILTER */
978 #if CONFIG_SMPTEHDBARS_FILTER
980 #define smptehdbars_options options
981 AVFILTER_DEFINE_CLASS(smptehdbars);
983 static void smptehdbars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
985 TestSourceContext *test = ctx->priv;
986 int d_w, r_w, r_h, l_w, i, tmp, x = 0, y = 0;
987 const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
989 av_frame_set_colorspace(picref, AVCOL_SPC_BT709);
991 d_w = FFALIGN(test->w / 8, 1 << pixdesc->log2_chroma_w);
992 r_h = FFALIGN(test->h * 7 / 12, 1 << pixdesc->log2_chroma_h);
993 draw_bar(test, gray40, x, 0, d_w, r_h, picref);
996 r_w = FFALIGN((((test->w + 3) / 4) * 3) / 7, 1 << pixdesc->log2_chroma_w);
997 for (i = 0; i < 7; i++) {
998 draw_bar(test, rainbow[i], x, 0, r_w, r_h, picref);
1001 draw_bar(test, gray40, x, 0, test->w - x, r_h, picref);
1003 r_h = FFALIGN(test->h / 12, 1 << pixdesc->log2_chroma_h);
1004 draw_bar(test, cyan, 0, y, d_w, r_h, picref);
1006 draw_bar(test, i_pixel, x, y, r_w, r_h, picref);
1009 draw_bar(test, rainbow[0], x, y, tmp, r_h, picref);
1012 draw_bar(test, blue, x, y, test->w - x, r_h, picref);
1014 draw_bar(test, yellow, 0, y, d_w, r_h, picref);
1016 draw_bar(test, q_pixel, x, y, r_w, r_h, picref);
1019 for (i = 0; i < tmp; i += 1 << pixdesc->log2_chroma_w) {
1020 uint8_t yramp[4] = {0};
1022 yramp[0] = i * 255 / tmp;
1027 draw_bar(test, yramp, x, y, 1 << pixdesc->log2_chroma_w, r_h, picref);
1028 x += 1 << pixdesc->log2_chroma_w;
1030 draw_bar(test, red, x, y, test->w - x, r_h, picref);
1032 draw_bar(test, gray15, 0, y, d_w, test->h - y, picref);
1034 tmp = FFALIGN(r_w * 3 / 2, 1 << pixdesc->log2_chroma_w);
1035 draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1037 tmp = FFALIGN(r_w * 2, 1 << pixdesc->log2_chroma_w);
1038 draw_bar(test, white, x, y, tmp, test->h - y, picref);
1040 tmp = FFALIGN(r_w * 5 / 6, 1 << pixdesc->log2_chroma_w);
1041 draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1043 tmp = FFALIGN(r_w / 3, 1 << pixdesc->log2_chroma_w);
1044 draw_bar(test, neg2, x, y, tmp, test->h - y, picref);
1046 draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1048 draw_bar(test, black2, x, y, tmp, test->h - y, picref);
1050 draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1052 draw_bar(test, black4, x, y, tmp, test->h - y, picref);
1055 draw_bar(test, black0, x, y, r_w, test->h - y, picref);
1057 draw_bar(test, gray15, x, y, test->w - x, test->h - y, picref);
1060 static av_cold int smptehdbars_init(AVFilterContext *ctx)
1062 TestSourceContext *test = ctx->priv;
1064 test->fill_picture_fn = smptehdbars_fill_picture;
1065 test->draw_once = 1;
1069 AVFilter ff_vsrc_smptehdbars = {
1070 .name = "smptehdbars",
1071 .description = NULL_IF_CONFIG_SMALL("Generate SMPTE HD color bars."),
1072 .priv_size = sizeof(TestSourceContext),
1073 .priv_class = &smptehdbars_class,
1074 .init = smptehdbars_init,
1076 .query_formats = smptebars_query_formats,
1078 .outputs = smptebars_outputs,
1081 #endif /* CONFIG_SMPTEHDBARS_FILTER */
1082 #endif /* CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER */