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"
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 ff_set_common_formats(ctx, ff_draw_supported_pixel_formats(0));
209 static int color_config_props(AVFilterLink *inlink)
211 AVFilterContext *ctx = inlink->src;
212 TestSourceContext *test = ctx->priv;
215 ff_draw_init(&test->draw, inlink->format, 0);
216 ff_draw_color(&test->draw, &test->color, test->color_rgba);
218 test->w = ff_draw_round_to_sub(&test->draw, 0, -1, test->w);
219 test->h = ff_draw_round_to_sub(&test->draw, 1, -1, test->h);
220 if (av_image_check_size(test->w, test->h, 0, ctx) < 0)
221 return AVERROR(EINVAL);
223 if ((ret = config_props(inlink)) < 0)
229 static int color_process_command(AVFilterContext *ctx, const char *cmd, const char *args,
230 char *res, int res_len, int flags)
232 TestSourceContext *test = ctx->priv;
235 if (!strcmp(cmd, "color") || !strcmp(cmd, "c")) {
236 uint8_t color_rgba[4];
238 ret = av_parse_color(color_rgba, args, -1, ctx);
242 memcpy(test->color_rgba, color_rgba, sizeof(color_rgba));
243 ff_draw_color(&test->draw, &test->color, test->color_rgba);
244 test->draw_once_reset = 1;
248 return AVERROR(ENOSYS);
251 static const AVFilterPad color_outputs[] = {
254 .type = AVMEDIA_TYPE_VIDEO,
255 .request_frame = request_frame,
256 .config_props = color_config_props,
261 AVFilter avfilter_vsrc_color = {
263 .description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input."),
264 .priv_class = &color_class,
265 .priv_size = sizeof(TestSourceContext),
268 .query_formats = color_query_formats,
270 .outputs = color_outputs,
271 .process_command = color_process_command,
274 #endif /* CONFIG_COLOR_FILTER */
276 #if CONFIG_HALDCLUTSRC_FILTER
278 static const AVOption haldclutsrc_options[] = {
279 { "level", "set level", OFFSET(level), AV_OPT_TYPE_INT, {.i64 = 6}, 2, 8, FLAGS },
280 COMMON_OPTIONS_NOSIZE
284 AVFILTER_DEFINE_CLASS(haldclutsrc);
286 static void haldclutsrc_fill_picture(AVFilterContext *ctx, AVFrame *frame)
288 int i, j, k, x = 0, y = 0, is16bit = 0, step;
290 const TestSourceContext *hc = ctx->priv;
291 int level = hc->level;
293 const int w = frame->width;
294 const int h = frame->height;
295 const uint8_t *data = frame->data[0];
296 const int linesize = frame->linesize[0];
297 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
300 av_assert0(w == h && w == level*level*level);
302 ff_fill_rgba_map(rgba_map, frame->format);
304 switch (frame->format) {
305 case AV_PIX_FMT_RGB48:
306 case AV_PIX_FMT_BGR48:
307 case AV_PIX_FMT_RGBA64:
308 case AV_PIX_FMT_BGRA64:
312 case AV_PIX_FMT_RGBA:
313 case AV_PIX_FMT_BGRA:
314 case AV_PIX_FMT_ARGB:
315 case AV_PIX_FMT_ABGR:
320 step = av_get_padded_bits_per_pixel(desc) >> (3 + is16bit);
321 scale = ((float)(1 << (8*(is16bit+1))) - 1) / (level*level - 1);
323 #define LOAD_CLUT(nbits) do { \
324 uint##nbits##_t *dst = ((uint##nbits##_t *)(data + y*linesize)) + x*step; \
325 dst[rgba_map[0]] = av_clip_uint##nbits(i * scale); \
326 dst[rgba_map[1]] = av_clip_uint##nbits(j * scale); \
327 dst[rgba_map[2]] = av_clip_uint##nbits(k * scale); \
329 dst[rgba_map[3]] = alpha; \
333 for (k = 0; k < level; k++) {
334 for (j = 0; j < level; j++) {
335 for (i = 0; i < level; i++) {
349 static av_cold int haldclutsrc_init(AVFilterContext *ctx)
351 TestSourceContext *hc = ctx->priv;
352 hc->fill_picture_fn = haldclutsrc_fill_picture;
357 static int haldclutsrc_query_formats(AVFilterContext *ctx)
359 static const enum AVPixelFormat pix_fmts[] = {
360 AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
361 AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA,
362 AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR,
363 AV_PIX_FMT_0RGB, AV_PIX_FMT_0BGR,
364 AV_PIX_FMT_RGB0, AV_PIX_FMT_BGR0,
365 AV_PIX_FMT_RGB48, AV_PIX_FMT_BGR48,
366 AV_PIX_FMT_RGBA64, AV_PIX_FMT_BGRA64,
369 ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
373 static int haldclutsrc_config_props(AVFilterLink *outlink)
375 AVFilterContext *ctx = outlink->src;
376 TestSourceContext *hc = ctx->priv;
378 hc->w = hc->h = hc->level * hc->level * hc->level;
379 return config_props(outlink);
382 static const AVFilterPad haldclutsrc_outputs[] = {
385 .type = AVMEDIA_TYPE_VIDEO,
386 .request_frame = request_frame,
387 .config_props = haldclutsrc_config_props,
392 AVFilter avfilter_vsrc_haldclutsrc = {
393 .name = "haldclutsrc",
394 .description = NULL_IF_CONFIG_SMALL("Provide an identity Hald CLUT."),
395 .priv_class = &haldclutsrc_class,
396 .priv_size = sizeof(TestSourceContext),
397 .init = haldclutsrc_init,
399 .query_formats = haldclutsrc_query_formats,
401 .outputs = haldclutsrc_outputs,
403 #endif /* CONFIG_HALDCLUTSRC_FILTER */
405 #if CONFIG_NULLSRC_FILTER
407 #define nullsrc_options options
408 AVFILTER_DEFINE_CLASS(nullsrc);
410 static void nullsrc_fill_picture(AVFilterContext *ctx, AVFrame *picref) { }
412 static av_cold int nullsrc_init(AVFilterContext *ctx)
414 TestSourceContext *test = ctx->priv;
416 test->fill_picture_fn = nullsrc_fill_picture;
420 static const AVFilterPad nullsrc_outputs[] = {
423 .type = AVMEDIA_TYPE_VIDEO,
424 .request_frame = request_frame,
425 .config_props = config_props,
430 AVFilter avfilter_vsrc_nullsrc = {
432 .description = NULL_IF_CONFIG_SMALL("Null video source, return unprocessed video frames."),
433 .init = nullsrc_init,
435 .priv_size = sizeof(TestSourceContext),
436 .priv_class = &nullsrc_class,
438 .outputs = nullsrc_outputs,
441 #endif /* CONFIG_NULLSRC_FILTER */
443 #if CONFIG_TESTSRC_FILTER
445 static const AVOption testsrc_options[] = {
447 { "decimals", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0}, 0, 17, FLAGS },
448 { "n", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0}, 0, 17, FLAGS },
452 AVFILTER_DEFINE_CLASS(testsrc);
455 * Fill a rectangle with value val.
457 * @param val the RGB value to set
458 * @param dst pointer to the destination buffer to fill
459 * @param dst_linesize linesize of destination
460 * @param segment_width width of the segment
461 * @param x horizontal coordinate where to draw the rectangle in the destination buffer
462 * @param y horizontal coordinate where to draw the rectangle in the destination buffer
463 * @param w width of the rectangle to draw, expressed as a number of segment_width units
464 * @param h height of the rectangle to draw, expressed as a number of segment_width units
466 static void draw_rectangle(unsigned val, uint8_t *dst, int dst_linesize, int segment_width,
467 int x, int y, int w, int h)
472 dst += segment_width * (step * x + y * dst_linesize);
473 w *= segment_width * step;
475 for (i = 0; i < h; i++) {
481 static void draw_digit(int digit, uint8_t *dst, int dst_linesize,
487 #define LEFT_TOP_VBAR 8
488 #define LEFT_BOT_VBAR 16
489 #define RIGHT_TOP_VBAR 32
490 #define RIGHT_BOT_VBAR 64
494 { 1, 0, 5, 1 }, /* TOP_HBAR */
495 { 1, 6, 5, 1 }, /* MID_HBAR */
496 { 1, 12, 5, 1 }, /* BOT_HBAR */
497 { 0, 1, 1, 5 }, /* LEFT_TOP_VBAR */
498 { 0, 7, 1, 5 }, /* LEFT_BOT_VBAR */
499 { 6, 1, 1, 5 }, /* RIGHT_TOP_VBAR */
500 { 6, 7, 1, 5 } /* RIGHT_BOT_VBAR */
502 static const unsigned char masks[10] = {
503 /* 0 */ TOP_HBAR |BOT_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
504 /* 1 */ RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
505 /* 2 */ TOP_HBAR|MID_HBAR|BOT_HBAR|LEFT_BOT_VBAR |RIGHT_TOP_VBAR,
506 /* 3 */ TOP_HBAR|MID_HBAR|BOT_HBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
507 /* 4 */ MID_HBAR |LEFT_TOP_VBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
508 /* 5 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR |RIGHT_BOT_VBAR,
509 /* 6 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR |RIGHT_BOT_VBAR,
510 /* 7 */ TOP_HBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
511 /* 8 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
512 /* 9 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
514 unsigned mask = masks[digit];
517 draw_rectangle(0, dst, dst_linesize, segment_width, 0, 0, 8, 13);
518 for (i = 0; i < FF_ARRAY_ELEMS(segments); i++)
520 draw_rectangle(255, dst, dst_linesize, segment_width,
521 segments[i].x, segments[i].y, segments[i].w, segments[i].h);
524 #define GRADIENT_SIZE (6 * 256)
526 static void test_fill_picture(AVFilterContext *ctx, AVFrame *frame)
528 TestSourceContext *test = ctx->priv;
531 int color, color_rest;
535 int dquad_x, dquad_y;
536 int grad, dgrad, rgrad, drgrad;
540 uint8_t *data = frame->data[0];
541 int width = frame->width;
542 int height = frame->height;
544 /* draw colored bars and circle */
545 radius = (width + height) / 4;
546 quad0 = width * width / 4 + height * height / 4 - radius * radius;
547 dquad_y = 1 - height;
549 for (y = 0; y < height; y++) {
555 for (x = 0; x < width; x++) {
561 *(p++) = icolor & 1 ? 255 : 0;
562 *(p++) = icolor & 2 ? 255 : 0;
563 *(p++) = icolor & 4 ? 255 : 0;
565 if (color_rest >= width) {
572 p0 += frame->linesize[0];
575 /* draw sliding color line */
576 p0 = p = data + frame->linesize[0] * (height * 3/4);
577 grad = (256 * test->nb_frame * test->time_base.num / test->time_base.den) %
580 dgrad = GRADIENT_SIZE / width;
581 drgrad = GRADIENT_SIZE % width;
582 for (x = 0; x < width; x++) {
584 grad < 256 || grad >= 5 * 256 ? 255 :
585 grad >= 2 * 256 && grad < 4 * 256 ? 0 :
586 grad < 2 * 256 ? 2 * 256 - 1 - grad : grad - 4 * 256;
588 grad >= 4 * 256 ? 0 :
589 grad >= 1 * 256 && grad < 3 * 256 ? 255 :
590 grad < 1 * 256 ? grad : 4 * 256 - 1 - grad;
593 grad >= 3 * 256 && grad < 5 * 256 ? 255 :
594 grad < 3 * 256 ? grad - 2 * 256 : 6 * 256 - 1 - grad;
597 if (rgrad >= GRADIENT_SIZE) {
599 rgrad -= GRADIENT_SIZE;
601 if (grad >= GRADIENT_SIZE)
602 grad -= GRADIENT_SIZE;
605 for (y = height / 8; y > 0; y--) {
606 memcpy(p+frame->linesize[0], p, 3 * width);
607 p += frame->linesize[0];
611 seg_size = width / 80;
612 if (seg_size >= 1 && height >= 13 * seg_size) {
613 int64_t p10decimals = 1;
614 double time = av_q2d(test->time_base) * test->nb_frame *
615 pow(10, test->nb_decimals);
619 for (x = 0; x < test->nb_decimals; x++)
622 second = av_rescale_rnd(test->nb_frame * test->time_base.num, p10decimals, test->time_base.den, AV_ROUND_ZERO);
623 x = width - (width - seg_size * 64) / 2;
624 y = (height - seg_size * 13) / 2;
625 p = data + (x*3 + y * frame->linesize[0]);
626 for (i = 0; i < 8; i++) {
627 p -= 3 * 8 * seg_size;
628 draw_digit(second % 10, p, frame->linesize[0], seg_size);
636 static av_cold int test_init(AVFilterContext *ctx)
638 TestSourceContext *test = ctx->priv;
640 test->fill_picture_fn = test_fill_picture;
644 static int test_query_formats(AVFilterContext *ctx)
646 static const enum AVPixelFormat pix_fmts[] = {
647 AV_PIX_FMT_RGB24, AV_PIX_FMT_NONE
649 ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
653 static const AVFilterPad avfilter_vsrc_testsrc_outputs[] = {
656 .type = AVMEDIA_TYPE_VIDEO,
657 .request_frame = request_frame,
658 .config_props = config_props,
663 AVFilter avfilter_vsrc_testsrc = {
665 .description = NULL_IF_CONFIG_SMALL("Generate test pattern."),
666 .priv_size = sizeof(TestSourceContext),
667 .priv_class = &testsrc_class,
670 .query_formats = test_query_formats,
672 .outputs = avfilter_vsrc_testsrc_outputs,
675 #endif /* CONFIG_TESTSRC_FILTER */
677 #if CONFIG_RGBTESTSRC_FILTER
679 #define rgbtestsrc_options options
680 AVFILTER_DEFINE_CLASS(rgbtestsrc);
687 static void rgbtest_put_pixel(uint8_t *dst, int dst_linesize,
688 int x, int y, int r, int g, int b, enum AVPixelFormat fmt,
695 case AV_PIX_FMT_BGR444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r >> 4) << 8) | ((g >> 4) << 4) | (b >> 4); break;
696 case AV_PIX_FMT_RGB444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b >> 4) << 8) | ((g >> 4) << 4) | (r >> 4); break;
697 case AV_PIX_FMT_BGR555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<10) | ((g>>3)<<5) | (b>>3); break;
698 case AV_PIX_FMT_RGB555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<10) | ((g>>3)<<5) | (r>>3); break;
699 case AV_PIX_FMT_BGR565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<11) | ((g>>2)<<5) | (b>>3); break;
700 case AV_PIX_FMT_RGB565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<11) | ((g>>2)<<5) | (r>>3); break;
701 case AV_PIX_FMT_RGB24:
702 case AV_PIX_FMT_BGR24:
703 v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8));
704 p = dst + 3*x + y*dst_linesize;
707 case AV_PIX_FMT_RGBA:
708 case AV_PIX_FMT_BGRA:
709 case AV_PIX_FMT_ARGB:
710 case AV_PIX_FMT_ABGR:
711 v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8)) + (255 << (rgba_map[A]*8));
712 p = dst + 4*x + y*dst_linesize;
718 static void rgbtest_fill_picture(AVFilterContext *ctx, AVFrame *frame)
720 TestSourceContext *test = ctx->priv;
721 int x, y, w = frame->width, h = frame->height;
723 for (y = 0; y < h; y++) {
724 for (x = 0; x < w; x++) {
726 int r = 0, g = 0, b = 0;
729 else if (3*y < 2*h) g = c;
732 rgbtest_put_pixel(frame->data[0], frame->linesize[0], x, y, r, g, b,
733 ctx->outputs[0]->format, test->rgba_map);
738 static av_cold int rgbtest_init(AVFilterContext *ctx)
740 TestSourceContext *test = ctx->priv;
743 test->fill_picture_fn = rgbtest_fill_picture;
747 static int rgbtest_query_formats(AVFilterContext *ctx)
749 static const enum AVPixelFormat pix_fmts[] = {
750 AV_PIX_FMT_RGBA, AV_PIX_FMT_ARGB, AV_PIX_FMT_BGRA, AV_PIX_FMT_ABGR,
751 AV_PIX_FMT_BGR24, AV_PIX_FMT_RGB24,
752 AV_PIX_FMT_RGB444, AV_PIX_FMT_BGR444,
753 AV_PIX_FMT_RGB565, AV_PIX_FMT_BGR565,
754 AV_PIX_FMT_RGB555, AV_PIX_FMT_BGR555,
757 ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
761 static int rgbtest_config_props(AVFilterLink *outlink)
763 TestSourceContext *test = outlink->src->priv;
765 ff_fill_rgba_map(test->rgba_map, outlink->format);
766 return config_props(outlink);
769 static const AVFilterPad avfilter_vsrc_rgbtestsrc_outputs[] = {
772 .type = AVMEDIA_TYPE_VIDEO,
773 .request_frame = request_frame,
774 .config_props = rgbtest_config_props,
779 AVFilter avfilter_vsrc_rgbtestsrc = {
780 .name = "rgbtestsrc",
781 .description = NULL_IF_CONFIG_SMALL("Generate RGB test pattern."),
782 .priv_size = sizeof(TestSourceContext),
783 .priv_class = &rgbtestsrc_class,
784 .init = rgbtest_init,
786 .query_formats = rgbtest_query_formats,
788 .outputs = avfilter_vsrc_rgbtestsrc_outputs,
791 #endif /* CONFIG_RGBTESTSRC_FILTER */
793 #if CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER
795 static const uint8_t rainbow[7][4] = {
796 { 191, 191, 191, 255 }, /* gray */
797 { 191, 191, 0, 255 }, /* yellow */
798 { 0, 191, 191, 255 }, /* cyan */
799 { 0, 191, 0, 255 }, /* green */
800 { 191, 0, 191, 255 }, /* magenta */
801 { 191, 0, 0, 255 }, /* red */
802 { 0, 0, 191, 255 }, /* blue */
805 static const uint8_t wobnair[7][4] = {
806 { 0, 0, 191, 255 }, /* blue */
807 { 19, 19, 19, 255 }, /* 7.5% intensity black */
808 { 191, 0, 191, 255 }, /* magenta */
809 { 19, 19, 19, 255 }, /* 7.5% intensity black */
810 { 0, 191, 191, 255 }, /* cyan */
811 { 19, 19, 19, 255 }, /* 7.5% intensity black */
812 { 191, 191, 191, 255 }, /* gray */
815 static const uint8_t white[4] = { 255, 255, 255, 255 };
816 static const uint8_t black[4] = { 19, 19, 19, 255 }; /* 7.5% intensity black */
819 static const uint8_t neg4ire[4] = { 9, 9, 9, 255 }; /* 3.5% intensity black */
820 static const uint8_t pos4ire[4] = { 29, 29, 29, 255 }; /* 11.5% intensity black */
823 static const uint8_t i_pixel[4] = { 0, 68, 130, 255 };
824 static const uint8_t q_pixel[4] = { 67, 0, 130, 255 };
826 static const uint8_t gray40[4] = { 102, 102, 102, 255 };
827 static const uint8_t gray15[4] = { 38, 38, 38, 255 };
828 static const uint8_t cyan[4] = { 0, 255, 255, 255 };
829 static const uint8_t yellow[4] = { 255, 255, 0, 255 };
830 static const uint8_t blue[4] = { 0, 0, 255, 255 };
831 static const uint8_t red[4] = { 255, 0, 0, 255 };
832 static const uint8_t black0[4] = { 5, 5, 5, 255 };
833 static const uint8_t black2[4] = { 10, 10, 10, 255 };
834 static const uint8_t black4[4] = { 15, 15, 15, 255 };
835 static const uint8_t neg2[4] = { 0, 0, 0, 255 };
837 static void inline draw_bar(TestSourceContext *test, const uint8_t *color,
838 unsigned x, unsigned y, unsigned w, unsigned h,
841 FFDrawColor draw_color;
843 x = FFMIN(x, test->w - 1);
844 y = FFMIN(y, test->h - 1);
845 w = FFMIN(w, test->w - x);
846 h = FFMIN(h, test->h - y);
848 av_assert0(x + w <= test->w);
849 av_assert0(y + h <= test->h);
851 ff_draw_color(&test->draw, &draw_color, color);
852 ff_fill_rectangle(&test->draw, &draw_color,
853 frame->data, frame->linesize, x, y, w, h);
856 static int smptebars_query_formats(AVFilterContext *ctx)
858 ff_set_common_formats(ctx, ff_draw_supported_pixel_formats(0));
862 static int smptebars_config_props(AVFilterLink *outlink)
864 AVFilterContext *ctx = outlink->src;
865 TestSourceContext *test = ctx->priv;
867 ff_draw_init(&test->draw, outlink->format, 0);
869 return config_props(outlink);
872 static const AVFilterPad smptebars_outputs[] = {
875 .type = AVMEDIA_TYPE_VIDEO,
876 .request_frame = request_frame,
877 .config_props = smptebars_config_props,
882 #if CONFIG_SMPTEBARS_FILTER
884 #define smptebars_options options
885 AVFILTER_DEFINE_CLASS(smptebars);
887 static void smptebars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
889 TestSourceContext *test = ctx->priv;
890 int r_w, r_h, w_h, p_w, p_h, i, tmp, x = 0;
891 const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
893 r_w = FFALIGN((test->w + 6) / 7, 1 << pixdesc->log2_chroma_w);
894 r_h = FFALIGN(test->h * 2 / 3, 1 << pixdesc->log2_chroma_h);
895 w_h = FFALIGN(test->h * 3 / 4 - r_h, 1 << pixdesc->log2_chroma_h);
896 p_w = FFALIGN(r_w * 5 / 4, 1 << pixdesc->log2_chroma_w);
897 p_h = test->h - w_h - r_h;
899 for (i = 0; i < 7; i++) {
900 draw_bar(test, rainbow[i], x, 0, r_w, r_h, picref);
901 draw_bar(test, wobnair[i], x, r_h, r_w, w_h, picref);
905 draw_bar(test, i_pixel, x, r_h + w_h, p_w, p_h, picref);
907 draw_bar(test, white, x, r_h + w_h, p_w, p_h, picref);
909 draw_bar(test, q_pixel, x, r_h + w_h, p_w, p_h, picref);
911 tmp = FFALIGN(5 * r_w - x, 1 << pixdesc->log2_chroma_w);
912 draw_bar(test, black, x, r_h + w_h, tmp, p_h, picref);
914 tmp = FFALIGN(r_w / 3, 1 << pixdesc->log2_chroma_w);
915 draw_bar(test, neg4ire, x, r_h + w_h, tmp, p_h, picref);
917 draw_bar(test, black, x, r_h + w_h, tmp, p_h, picref);
919 draw_bar(test, pos4ire, x, r_h + w_h, tmp, p_h, picref);
921 draw_bar(test, black, x, r_h + w_h, test->w - x, p_h, picref);
924 static av_cold int smptebars_init(AVFilterContext *ctx)
926 TestSourceContext *test = ctx->priv;
928 test->fill_picture_fn = smptebars_fill_picture;
933 AVFilter avfilter_vsrc_smptebars = {
935 .description = NULL_IF_CONFIG_SMALL("Generate SMPTE color bars."),
936 .priv_size = sizeof(TestSourceContext),
937 .priv_class = &smptebars_class,
938 .init = smptebars_init,
940 .query_formats = smptebars_query_formats,
942 .outputs = smptebars_outputs,
945 #endif /* CONFIG_SMPTEBARS_FILTER */
947 #if CONFIG_SMPTEHDBARS_FILTER
949 #define smptehdbars_options options
950 AVFILTER_DEFINE_CLASS(smptehdbars);
952 static void smptehdbars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
954 TestSourceContext *test = ctx->priv;
955 int d_w, r_w, r_h, l_w, i, tmp, x = 0, y = 0;
956 const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
958 d_w = FFALIGN(test->w / 8, 1 << pixdesc->log2_chroma_w);
959 r_h = FFALIGN(test->h * 7 / 12, 1 << pixdesc->log2_chroma_h);
960 draw_bar(test, gray40, x, 0, d_w, r_h, picref);
963 r_w = FFALIGN((((test->w + 3) / 4) * 3) / 7, 1 << pixdesc->log2_chroma_w);
964 for (i = 0; i < 7; i++) {
965 draw_bar(test, rainbow[i], x, 0, r_w, r_h, picref);
968 draw_bar(test, gray40, x, 0, test->w - x, r_h, picref);
970 r_h = FFALIGN(test->h / 12, 1 << pixdesc->log2_chroma_h);
971 draw_bar(test, cyan, 0, y, d_w, r_h, picref);
973 draw_bar(test, i_pixel, x, y, r_w, r_h, picref);
976 draw_bar(test, rainbow[0], x, y, tmp, r_h, picref);
979 draw_bar(test, blue, x, y, test->w - x, r_h, picref);
981 draw_bar(test, yellow, 0, y, d_w, r_h, picref);
983 draw_bar(test, q_pixel, x, y, r_w, r_h, picref);
986 for (i = 0; i < tmp; i += 1 << pixdesc->log2_chroma_w) {
987 uint8_t yramp[4] = {0};
991 yramp[2] = i * 255 / tmp;
994 draw_bar(test, yramp, x, y, 1 << pixdesc->log2_chroma_w, r_h, picref);
995 x += 1 << pixdesc->log2_chroma_w;
997 draw_bar(test, red, x, y, test->w - x, r_h, picref);
999 draw_bar(test, gray15, 0, y, d_w, test->h - y, picref);
1001 tmp = FFALIGN(r_w * 3 / 2, 1 << pixdesc->log2_chroma_w);
1002 draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1004 tmp = FFALIGN(r_w * 2, 1 << pixdesc->log2_chroma_w);
1005 draw_bar(test, white, x, y, tmp, test->h - y, picref);
1007 tmp = FFALIGN(r_w * 5 / 6, 1 << pixdesc->log2_chroma_w);
1008 draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1010 tmp = FFALIGN(r_w / 3, 1 << pixdesc->log2_chroma_w);
1011 draw_bar(test, neg2, x, y, tmp, test->h - y, picref);
1013 draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1015 draw_bar(test, black2, x, y, tmp, test->h - y, picref);
1017 draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1019 draw_bar(test, black4, x, y, tmp, test->h - y, picref);
1022 draw_bar(test, black0, x, y, r_w, test->h - y, picref);
1024 draw_bar(test, gray15, x, y, test->w - x, test->h - y, picref);
1027 static av_cold int smptehdbars_init(AVFilterContext *ctx)
1029 TestSourceContext *test = ctx->priv;
1031 test->fill_picture_fn = smptehdbars_fill_picture;
1032 test->draw_once = 1;
1036 AVFilter avfilter_vsrc_smptehdbars = {
1037 .name = "smptehdbars",
1038 .description = NULL_IF_CONFIG_SMALL("Generate SMPTE HD color bars."),
1039 .priv_size = sizeof(TestSourceContext),
1040 .priv_class = &smptehdbars_class,
1041 .init = smptehdbars_init,
1043 .query_formats = smptebars_query_formats,
1045 .outputs = smptebars_outputs,
1048 #endif /* CONFIG_SMPTEHDBARS_FILTER */
1049 #endif /* CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER */