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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 "config_components.h"
37 
38 #include <float.h>
39 
40 #include "libavutil/avassert.h"
41 #include "libavutil/common.h"
42 #include "libavutil/ffmath.h"
43 #include "libavutil/opt.h"
44 #include "libavutil/imgutils.h"
45 #include "libavutil/intreadwrite.h"
46 #include "libavutil/parseutils.h"
47 #include "libavutil/xga_font_data.h"
48 #include "avfilter.h"
49 #include "drawutils.h"
50 #include "filters.h"
51 #include "formats.h"
52 #include "internal.h"
53 #include "video.h"
54 
55 typedef struct TestSourceContext {
56     const AVClass *class;
57     int w, h;
58     int pw, ph;
59     unsigned int nb_frame;
60     AVRational time_base, frame_rate;
61     int64_t pts;
62     int64_t duration;           ///< duration expressed in microseconds
63     AVRational sar;             ///< sample aspect ratio
64     int draw_once;              ///< draw only the first frame, always put out the same picture
65     int draw_once_reset;        ///< draw only the first frame or in case of reset
66     AVFrame *picref;            ///< cached reference containing the painted picture
67 
68     void (* fill_picture_fn)(AVFilterContext *ctx, AVFrame *frame);
69 
70     /* only used by testsrc */
71     int nb_decimals;
72 
73     /* only used by testsrc2 */
74     int alpha;
75 
76     /* only used by colorspectrum */
77     int type;
78 
79     /* only used by color */
80     FFDrawContext draw;
81     FFDrawColor color;
82     uint8_t color_rgba[4];
83 
84     /* only used by rgbtest */
85     uint8_t rgba_map[4];
86     int complement;
87     int depth;
88 
89     /* only used by haldclut */
90     int level;
91 } TestSourceContext;
92 
93 #define OFFSET(x) offsetof(TestSourceContext, x)
94 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
95 #define FLAGSR AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
96 
97 #define SIZE_OPTIONS \
98     { "size",     "set video size",     OFFSET(w),        AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },\
99     { "s",        "set video size",     OFFSET(w),        AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },\
100 
101 #define COMMON_OPTIONS_NOSIZE \
102     { "rate",     "set video rate",     OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, FLAGS },\
103     { "r",        "set video rate",     OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, FLAGS },\
104     { "duration", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS },\
105     { "d",        "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS },\
106     { "sar",      "set video sample aspect ratio", OFFSET(sar), AV_OPT_TYPE_RATIONAL, {.dbl= 1},  0, INT_MAX, FLAGS },
107 
108 #define COMMON_OPTIONS SIZE_OPTIONS COMMON_OPTIONS_NOSIZE
109 
110 #define NOSIZE_OPTIONS_OFFSET 2
111 /* Filters using COMMON_OPTIONS_NOSIZE also use the following options
112  * via &options[NOSIZE_OPTIONS_OFFSET]. So don't break it. */
113 static const AVOption options[] = {
114     COMMON_OPTIONS
115     { NULL }
116 };
117 
init(AVFilterContext * ctx)118 static av_cold int init(AVFilterContext *ctx)
119 {
120     TestSourceContext *test = ctx->priv;
121 
122     test->time_base = av_inv_q(test->frame_rate);
123     test->nb_frame = 0;
124     test->pts = 0;
125 
126     av_log(ctx, AV_LOG_VERBOSE, "size:%dx%d rate:%d/%d duration:%f sar:%d/%d\n",
127            test->w, test->h, test->frame_rate.num, test->frame_rate.den,
128            test->duration < 0 ? -1 : (double)test->duration/1000000,
129            test->sar.num, test->sar.den);
130     return 0;
131 }
132 
uninit(AVFilterContext * ctx)133 static av_cold void uninit(AVFilterContext *ctx)
134 {
135     TestSourceContext *test = ctx->priv;
136 
137     av_frame_free(&test->picref);
138 }
139 
config_props(AVFilterLink * outlink)140 static int config_props(AVFilterLink *outlink)
141 {
142     TestSourceContext *test = outlink->src->priv;
143 
144     outlink->w = test->w;
145     outlink->h = test->h;
146     outlink->sample_aspect_ratio = test->sar;
147     outlink->frame_rate = test->frame_rate;
148     outlink->time_base  = test->time_base;
149 
150     return 0;
151 }
152 
activate(AVFilterContext * ctx)153 static int activate(AVFilterContext *ctx)
154 {
155     AVFilterLink *outlink = ctx->outputs[0];
156     TestSourceContext *test = ctx->priv;
157     AVFrame *frame;
158 
159     if (!ff_outlink_frame_wanted(outlink))
160         return FFERROR_NOT_READY;
161     if (test->duration >= 0 &&
162         av_rescale_q(test->pts, test->time_base, AV_TIME_BASE_Q) >= test->duration) {
163         ff_outlink_set_status(outlink, AVERROR_EOF, test->pts);
164         return 0;
165     }
166 
167     if (test->draw_once) {
168         if (test->draw_once_reset) {
169             av_frame_free(&test->picref);
170             test->draw_once_reset = 0;
171         }
172         if (!test->picref) {
173             test->picref =
174                 ff_get_video_buffer(outlink, test->w, test->h);
175             if (!test->picref)
176                 return AVERROR(ENOMEM);
177             test->fill_picture_fn(outlink->src, test->picref);
178         }
179         frame = av_frame_clone(test->picref);
180     } else
181         frame = ff_get_video_buffer(outlink, test->w, test->h);
182 
183     if (!frame)
184         return AVERROR(ENOMEM);
185     frame->pts                 = test->pts;
186     frame->key_frame           = 1;
187     frame->interlaced_frame    = 0;
188     frame->pict_type           = AV_PICTURE_TYPE_I;
189     frame->sample_aspect_ratio = test->sar;
190     if (!test->draw_once)
191         test->fill_picture_fn(outlink->src, frame);
192 
193     test->pts++;
194     test->nb_frame++;
195 
196     return ff_filter_frame(outlink, frame);
197 }
198 
199 #if CONFIG_COLOR_FILTER
200 
201 static const AVOption color_options[] = {
202     { "color", "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, 0, 0, FLAGSR },
203     { "c",     "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, 0, 0, FLAGSR },
204     COMMON_OPTIONS
205     { NULL }
206 };
207 
208 AVFILTER_DEFINE_CLASS(color);
209 
color_fill_picture(AVFilterContext * ctx,AVFrame * picref)210 static void color_fill_picture(AVFilterContext *ctx, AVFrame *picref)
211 {
212     TestSourceContext *test = ctx->priv;
213     ff_fill_rectangle(&test->draw, &test->color,
214                       picref->data, picref->linesize,
215                       0, 0, test->w, test->h);
216 }
217 
color_init(AVFilterContext * ctx)218 static av_cold int color_init(AVFilterContext *ctx)
219 {
220     TestSourceContext *test = ctx->priv;
221     test->fill_picture_fn = color_fill_picture;
222     test->draw_once = 1;
223     return init(ctx);
224 }
225 
color_query_formats(AVFilterContext * ctx)226 static int color_query_formats(AVFilterContext *ctx)
227 {
228     return ff_set_common_formats(ctx, ff_draw_supported_pixel_formats(0));
229 }
230 
color_config_props(AVFilterLink * inlink)231 static int color_config_props(AVFilterLink *inlink)
232 {
233     AVFilterContext *ctx = inlink->src;
234     TestSourceContext *test = ctx->priv;
235     int ret;
236 
237     ff_draw_init(&test->draw, inlink->format, 0);
238     ff_draw_color(&test->draw, &test->color, test->color_rgba);
239 
240     test->w = ff_draw_round_to_sub(&test->draw, 0, -1, test->w);
241     test->h = ff_draw_round_to_sub(&test->draw, 1, -1, test->h);
242     if (av_image_check_size(test->w, test->h, 0, ctx) < 0)
243         return AVERROR(EINVAL);
244 
245     if ((ret = config_props(inlink)) < 0)
246         return ret;
247 
248     return 0;
249 }
250 
color_process_command(AVFilterContext * ctx,const char * cmd,const char * args,char * res,int res_len,int flags)251 static int color_process_command(AVFilterContext *ctx, const char *cmd, const char *args,
252                                  char *res, int res_len, int flags)
253 {
254     TestSourceContext *test = ctx->priv;
255     int ret;
256 
257     ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
258     if (ret < 0)
259         return ret;
260 
261     ff_draw_color(&test->draw, &test->color, test->color_rgba);
262     test->draw_once_reset = 1;
263     return 0;
264 }
265 
266 static const AVFilterPad color_outputs[] = {
267     {
268         .name          = "default",
269         .type          = AVMEDIA_TYPE_VIDEO,
270         .config_props  = color_config_props,
271     },
272 };
273 
274 const AVFilter ff_vsrc_color = {
275     .name            = "color",
276     .description     = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input."),
277     .priv_class      = &color_class,
278     .priv_size       = sizeof(TestSourceContext),
279     .init            = color_init,
280     .uninit          = uninit,
281     .activate        = activate,
282     .inputs          = NULL,
283     FILTER_OUTPUTS(color_outputs),
284     FILTER_QUERY_FUNC(color_query_formats),
285     .process_command = color_process_command,
286 };
287 
288 #endif /* CONFIG_COLOR_FILTER */
289 
290 #if CONFIG_HALDCLUTSRC_FILTER
291 
292 static const AVOption haldclutsrc_options[] = {
293     { "level", "set level", OFFSET(level), AV_OPT_TYPE_INT, {.i64 = 6}, 2, 16, FLAGS },
294     COMMON_OPTIONS_NOSIZE
295     { NULL }
296 };
297 
298 AVFILTER_DEFINE_CLASS(haldclutsrc);
299 
haldclutsrc_fill_picture(AVFilterContext * ctx,AVFrame * frame)300 static void haldclutsrc_fill_picture(AVFilterContext *ctx, AVFrame *frame)
301 {
302     int i, j, k, x = 0, y = 0, is16bit = 0, step;
303     uint32_t alpha = 0;
304     const TestSourceContext *hc = ctx->priv;
305     int level = hc->level;
306     float scale;
307     const int w = frame->width;
308     const int h = frame->height;
309     const uint8_t *data = frame->data[0];
310     const int linesize  = frame->linesize[0];
311     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
312     const int depth = desc->comp[0].depth;
313     const int planar = desc->flags & AV_PIX_FMT_FLAG_PLANAR;
314     const int planes = av_pix_fmt_count_planes(frame->format);
315     uint8_t rgba_map[4];
316 
317     av_assert0(w == h && w == level*level*level);
318 
319     ff_fill_rgba_map(rgba_map, frame->format);
320 
321     alpha = (1 << depth) - 1;
322     is16bit = depth > 8;
323 
324     step  = av_get_padded_bits_per_pixel(desc) >> (3 + is16bit);
325     scale = ((float)alpha) / (level*level - 1);
326 
327 #define LOAD_CLUT(nbits) do {                                                   \
328     uint##nbits##_t *dst = ((uint##nbits##_t *)(data + y*linesize)) + x*step;   \
329     dst[rgba_map[0]] = av_clip_uint##nbits(i * scale);                          \
330     dst[rgba_map[1]] = av_clip_uint##nbits(j * scale);                          \
331     dst[rgba_map[2]] = av_clip_uint##nbits(k * scale);                          \
332     if (step == 4)                                                              \
333         dst[rgba_map[3]] = alpha;                                               \
334 } while (0)
335 
336 #define LOAD_CLUT_PLANAR(type, nbits) do {                                      \
337     type *dst = ((type *)(frame->data[2] + y*frame->linesize[2])) + x;          \
338     dst[0] = av_clip_uintp2(i * scale, nbits);                                  \
339     dst = ((type *)(frame->data[0] + y*frame->linesize[0])) + x;                \
340     dst[0] = av_clip_uintp2(j * scale, nbits);                                  \
341     dst = ((type *)(frame->data[1] + y*frame->linesize[1])) + x;                \
342     dst[0] = av_clip_uintp2(k * scale, nbits);                                  \
343     if (planes == 4) {                                                          \
344         dst = ((type *)(frame->data[3] + y*linesize)) + x;                      \
345         dst[0] = alpha;                                                         \
346     }                                                                           \
347 } while (0)
348 
349     level *= level;
350     for (k = 0; k < level; k++) {
351         for (j = 0; j < level; j++) {
352             for (i = 0; i < level; i++) {
353                 if (!planar) {
354                     if (!is16bit)
355                         LOAD_CLUT(8);
356                     else
357                         LOAD_CLUT(16);
358                 } else {
359                     switch (depth) {
360                     case  8: LOAD_CLUT_PLANAR(uint8_t,  8); break;
361                     case  9: LOAD_CLUT_PLANAR(uint16_t, 9); break;
362                     case 10: LOAD_CLUT_PLANAR(uint16_t,10); break;
363                     case 12: LOAD_CLUT_PLANAR(uint16_t,12); break;
364                     case 14: LOAD_CLUT_PLANAR(uint16_t,14); break;
365                     case 16: LOAD_CLUT_PLANAR(uint16_t,16); break;
366                     }
367                 }
368                 if (++x == w) {
369                     x = 0;
370                     y++;
371                 }
372             }
373         }
374     }
375 }
376 
haldclutsrc_init(AVFilterContext * ctx)377 static av_cold int haldclutsrc_init(AVFilterContext *ctx)
378 {
379     TestSourceContext *hc = ctx->priv;
380     hc->fill_picture_fn = haldclutsrc_fill_picture;
381     hc->draw_once = 1;
382     return init(ctx);
383 }
384 
385 static const enum AVPixelFormat haldclutsrc_pix_fmts[] = {
386     AV_PIX_FMT_RGB24,  AV_PIX_FMT_BGR24,
387     AV_PIX_FMT_RGBA,   AV_PIX_FMT_BGRA,
388     AV_PIX_FMT_ARGB,   AV_PIX_FMT_ABGR,
389     AV_PIX_FMT_0RGB,   AV_PIX_FMT_0BGR,
390     AV_PIX_FMT_RGB0,   AV_PIX_FMT_BGR0,
391     AV_PIX_FMT_RGB48,  AV_PIX_FMT_BGR48,
392     AV_PIX_FMT_RGBA64, AV_PIX_FMT_BGRA64,
393     AV_PIX_FMT_GBRP,   AV_PIX_FMT_GBRAP,
394     AV_PIX_FMT_GBRP9,
395     AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10,
396     AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12,
397     AV_PIX_FMT_GBRP14,
398     AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16,
399     AV_PIX_FMT_NONE,
400 };
401 
haldclutsrc_config_props(AVFilterLink * outlink)402 static int haldclutsrc_config_props(AVFilterLink *outlink)
403 {
404     AVFilterContext *ctx = outlink->src;
405     TestSourceContext *hc = ctx->priv;
406 
407     hc->w = hc->h = hc->level * hc->level * hc->level;
408     return config_props(outlink);
409 }
410 
411 static const AVFilterPad haldclutsrc_outputs[] = {
412     {
413         .name          = "default",
414         .type          = AVMEDIA_TYPE_VIDEO,
415         .config_props  = haldclutsrc_config_props,
416     },
417 };
418 
419 const AVFilter ff_vsrc_haldclutsrc = {
420     .name          = "haldclutsrc",
421     .description   = NULL_IF_CONFIG_SMALL("Provide an identity Hald CLUT."),
422     .priv_class    = &haldclutsrc_class,
423     .priv_size     = sizeof(TestSourceContext),
424     .init          = haldclutsrc_init,
425     .uninit        = uninit,
426     .activate      = activate,
427     .inputs        = NULL,
428     FILTER_OUTPUTS(haldclutsrc_outputs),
429     FILTER_PIXFMTS_ARRAY(haldclutsrc_pix_fmts),
430 };
431 #endif /* CONFIG_HALDCLUTSRC_FILTER */
432 
433 AVFILTER_DEFINE_CLASS_EXT(nullsrc_yuvtestsrc, "nullsrc/yuvtestsrc", options);
434 
435 #if CONFIG_NULLSRC_FILTER
436 
nullsrc_fill_picture(AVFilterContext * ctx,AVFrame * picref)437 static void nullsrc_fill_picture(AVFilterContext *ctx, AVFrame *picref) { }
438 
nullsrc_init(AVFilterContext * ctx)439 static av_cold int nullsrc_init(AVFilterContext *ctx)
440 {
441     TestSourceContext *test = ctx->priv;
442 
443     test->fill_picture_fn = nullsrc_fill_picture;
444     return init(ctx);
445 }
446 
447 static const AVFilterPad nullsrc_outputs[] = {
448     {
449         .name          = "default",
450         .type          = AVMEDIA_TYPE_VIDEO,
451         .config_props  = config_props,
452     },
453 };
454 
455 const AVFilter ff_vsrc_nullsrc = {
456     .name        = "nullsrc",
457     .description = NULL_IF_CONFIG_SMALL("Null video source, return unprocessed video frames."),
458     .priv_class  = &nullsrc_yuvtestsrc_class,
459     .init        = nullsrc_init,
460     .uninit      = uninit,
461     .activate    = activate,
462     .priv_size   = sizeof(TestSourceContext),
463     .inputs      = NULL,
464     FILTER_OUTPUTS(nullsrc_outputs),
465 };
466 
467 #endif /* CONFIG_NULLSRC_FILTER */
468 
469 #if CONFIG_TESTSRC_FILTER
470 
471 static const AVOption testsrc_options[] = {
472     COMMON_OPTIONS
473     { "decimals", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0},  0, 17, FLAGS },
474     { "n",        "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0},  0, 17, FLAGS },
475     { NULL }
476 };
477 
478 AVFILTER_DEFINE_CLASS(testsrc);
479 
480 /**
481  * Fill a rectangle with value val.
482  *
483  * @param val the RGB value to set
484  * @param dst pointer to the destination buffer to fill
485  * @param dst_linesize linesize of destination
486  * @param segment_width width of the segment
487  * @param x horizontal coordinate where to draw the rectangle in the destination buffer
488  * @param y horizontal coordinate where to draw the rectangle in the destination buffer
489  * @param w width  of the rectangle to draw, expressed as a number of segment_width units
490  * @param h height of the rectangle to draw, expressed as a number of segment_width units
491  */
draw_rectangle(unsigned val,uint8_t * dst,int dst_linesize,int segment_width,int x,int y,int w,int h)492 static void draw_rectangle(unsigned val, uint8_t *dst, int dst_linesize, int segment_width,
493                            int x, int y, int w, int h)
494 {
495     int i;
496     int step = 3;
497 
498     dst += segment_width * (step * x + y * dst_linesize);
499     w *= segment_width * step;
500     h *= segment_width;
501     for (i = 0; i < h; i++) {
502         memset(dst, val, w);
503         dst += dst_linesize;
504     }
505 }
506 
draw_digit(int digit,uint8_t * dst,int dst_linesize,int segment_width)507 static void draw_digit(int digit, uint8_t *dst, int dst_linesize,
508                        int segment_width)
509 {
510 #define TOP_HBAR        1
511 #define MID_HBAR        2
512 #define BOT_HBAR        4
513 #define LEFT_TOP_VBAR   8
514 #define LEFT_BOT_VBAR  16
515 #define RIGHT_TOP_VBAR 32
516 #define RIGHT_BOT_VBAR 64
517     struct segments {
518         int x, y, w, h;
519     } segments[] = {
520         { 1,  0, 5, 1 }, /* TOP_HBAR */
521         { 1,  6, 5, 1 }, /* MID_HBAR */
522         { 1, 12, 5, 1 }, /* BOT_HBAR */
523         { 0,  1, 1, 5 }, /* LEFT_TOP_VBAR */
524         { 0,  7, 1, 5 }, /* LEFT_BOT_VBAR */
525         { 6,  1, 1, 5 }, /* RIGHT_TOP_VBAR */
526         { 6,  7, 1, 5 }  /* RIGHT_BOT_VBAR */
527     };
528     static const unsigned char masks[10] = {
529         /* 0 */ TOP_HBAR         |BOT_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
530         /* 1 */                                                        RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
531         /* 2 */ TOP_HBAR|MID_HBAR|BOT_HBAR|LEFT_BOT_VBAR                             |RIGHT_TOP_VBAR,
532         /* 3 */ TOP_HBAR|MID_HBAR|BOT_HBAR                            |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
533         /* 4 */          MID_HBAR         |LEFT_TOP_VBAR              |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
534         /* 5 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR                             |RIGHT_BOT_VBAR,
535         /* 6 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR               |RIGHT_BOT_VBAR,
536         /* 7 */ TOP_HBAR                                              |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
537         /* 8 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
538         /* 9 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR              |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
539     };
540     unsigned mask = masks[digit];
541     int i;
542 
543     draw_rectangle(0, dst, dst_linesize, segment_width, 0, 0, 8, 13);
544     for (i = 0; i < FF_ARRAY_ELEMS(segments); i++)
545         if (mask & (1<<i))
546             draw_rectangle(255, dst, dst_linesize, segment_width,
547                            segments[i].x, segments[i].y, segments[i].w, segments[i].h);
548 }
549 
550 #define GRADIENT_SIZE (6 * 256)
551 
test_fill_picture(AVFilterContext * ctx,AVFrame * frame)552 static void test_fill_picture(AVFilterContext *ctx, AVFrame *frame)
553 {
554     TestSourceContext *test = ctx->priv;
555     uint8_t *p, *p0;
556     int x, y;
557     int color, color_rest;
558     int icolor;
559     int radius;
560     int quad0, quad;
561     int dquad_x, dquad_y;
562     int grad, dgrad, rgrad, drgrad;
563     int seg_size;
564     int second;
565     int i;
566     uint8_t *data = frame->data[0];
567     int width  = frame->width;
568     int height = frame->height;
569 
570     /* draw colored bars and circle */
571     radius = (width + height) / 4;
572     quad0 = width * width / 4 + height * height / 4 - radius * radius;
573     dquad_y = 1 - height;
574     p0 = data;
575     for (y = 0; y < height; y++) {
576         p = p0;
577         color = 0;
578         color_rest = 0;
579         quad = quad0;
580         dquad_x = 1 - width;
581         for (x = 0; x < width; x++) {
582             icolor = color;
583             if (quad < 0)
584                 icolor ^= 7;
585             quad += dquad_x;
586             dquad_x += 2;
587             *(p++) = icolor & 1 ? 255 : 0;
588             *(p++) = icolor & 2 ? 255 : 0;
589             *(p++) = icolor & 4 ? 255 : 0;
590             color_rest += 8;
591             if (color_rest >= width) {
592                 color_rest -= width;
593                 color++;
594             }
595         }
596         quad0 += dquad_y;
597         dquad_y += 2;
598         p0 += frame->linesize[0];
599     }
600 
601     /* draw sliding color line */
602     p0 = p = data + frame->linesize[0] * (height * 3/4);
603     grad = (256 * test->nb_frame * test->time_base.num / test->time_base.den) %
604         GRADIENT_SIZE;
605     rgrad = 0;
606     dgrad = GRADIENT_SIZE / width;
607     drgrad = GRADIENT_SIZE % width;
608     for (x = 0; x < width; x++) {
609         *(p++) =
610             grad < 256 || grad >= 5 * 256 ? 255 :
611             grad >= 2 * 256 && grad < 4 * 256 ? 0 :
612             grad < 2 * 256 ? 2 * 256 - 1 - grad : grad - 4 * 256;
613         *(p++) =
614             grad >= 4 * 256 ? 0 :
615             grad >= 1 * 256 && grad < 3 * 256 ? 255 :
616             grad < 1 * 256 ? grad : 4 * 256 - 1 - grad;
617         *(p++) =
618             grad < 2 * 256 ? 0 :
619             grad >= 3 * 256 && grad < 5 * 256 ? 255 :
620             grad < 3 * 256 ? grad - 2 * 256 : 6 * 256 - 1 - grad;
621         grad += dgrad;
622         rgrad += drgrad;
623         if (rgrad >= GRADIENT_SIZE) {
624             grad++;
625             rgrad -= GRADIENT_SIZE;
626         }
627         if (grad >= GRADIENT_SIZE)
628             grad -= GRADIENT_SIZE;
629     }
630     p = p0;
631     for (y = height / 8; y > 0; y--) {
632         memcpy(p+frame->linesize[0], p, 3 * width);
633         p += frame->linesize[0];
634     }
635 
636     /* draw digits */
637     seg_size = width / 80;
638     if (seg_size >= 1 && height >= 13 * seg_size) {
639         int64_t p10decimals = 1;
640         double time = av_q2d(test->time_base) * test->nb_frame *
641                       ff_exp10(test->nb_decimals);
642         if (time >= INT_MAX)
643             return;
644 
645         for (x = 0; x < test->nb_decimals; x++)
646             p10decimals *= 10;
647 
648         second = av_rescale_rnd(test->nb_frame * test->time_base.num, p10decimals, test->time_base.den, AV_ROUND_ZERO);
649         x = width - (width - seg_size * 64) / 2;
650         y = (height - seg_size * 13) / 2;
651         p = data + (x*3 + y * frame->linesize[0]);
652         for (i = 0; i < 8; i++) {
653             p -= 3 * 8 * seg_size;
654             draw_digit(second % 10, p, frame->linesize[0], seg_size);
655             second /= 10;
656             if (second == 0)
657                 break;
658         }
659     }
660 }
661 
test_init(AVFilterContext * ctx)662 static av_cold int test_init(AVFilterContext *ctx)
663 {
664     TestSourceContext *test = ctx->priv;
665 
666     test->fill_picture_fn = test_fill_picture;
667     return init(ctx);
668 }
669 
670 static const AVFilterPad avfilter_vsrc_testsrc_outputs[] = {
671     {
672         .name          = "default",
673         .type          = AVMEDIA_TYPE_VIDEO,
674         .config_props  = config_props,
675     },
676 };
677 
678 const AVFilter ff_vsrc_testsrc = {
679     .name          = "testsrc",
680     .description   = NULL_IF_CONFIG_SMALL("Generate test pattern."),
681     .priv_size     = sizeof(TestSourceContext),
682     .priv_class    = &testsrc_class,
683     .init          = test_init,
684     .uninit        = uninit,
685     .activate      = activate,
686     .inputs        = NULL,
687     FILTER_OUTPUTS(avfilter_vsrc_testsrc_outputs),
688     FILTER_SINGLE_PIXFMT(AV_PIX_FMT_RGB24),
689 };
690 
691 #endif /* CONFIG_TESTSRC_FILTER */
692 
693 #if CONFIG_TESTSRC2_FILTER
694 
695 static const AVOption testsrc2_options[] = {
696     COMMON_OPTIONS
697     { "alpha", "set global alpha (opacity)", OFFSET(alpha), AV_OPT_TYPE_INT, {.i64 = 255}, 0, 255, FLAGS },
698     { NULL }
699 };
700 
701 AVFILTER_DEFINE_CLASS(testsrc2);
702 
set_color(TestSourceContext * s,FFDrawColor * color,uint32_t argb)703 static void set_color(TestSourceContext *s, FFDrawColor *color, uint32_t argb)
704 {
705     uint8_t rgba[4] = { (argb >> 16) & 0xFF,
706                         (argb >>  8) & 0xFF,
707                         (argb >>  0) & 0xFF,
708                         (argb >> 24) & 0xFF, };
709     ff_draw_color(&s->draw, color, rgba);
710 }
711 
color_gradient(unsigned index)712 static uint32_t color_gradient(unsigned index)
713 {
714     unsigned si = index & 0xFF, sd = 0xFF - si;
715     switch (index >> 8) {
716     case 0: return 0xFF0000 + (si <<  8);
717     case 1: return 0x00FF00 + (sd << 16);
718     case 2: return 0x00FF00 + (si <<  0);
719     case 3: return 0x0000FF + (sd <<  8);
720     case 4: return 0x0000FF + (si << 16);
721     case 5: return 0xFF0000 + (sd <<  0);
722     default: av_assert0(0); return 0;
723     }
724 }
725 
draw_text(TestSourceContext * s,AVFrame * frame,FFDrawColor * color,int x0,int y0,const uint8_t * text)726 static void draw_text(TestSourceContext *s, AVFrame *frame, FFDrawColor *color,
727                       int x0, int y0, const uint8_t *text)
728 {
729     int x = x0;
730 
731     for (; *text; text++) {
732         if (*text == '\n') {
733             x = x0;
734             y0 += 16;
735             continue;
736         }
737         ff_blend_mask(&s->draw, color, frame->data, frame->linesize,
738                       frame->width, frame->height,
739                       avpriv_vga16_font + *text * 16, 1, 8, 16, 0, 0, x, y0);
740         x += 8;
741     }
742 }
743 
test2_fill_picture(AVFilterContext * ctx,AVFrame * frame)744 static void test2_fill_picture(AVFilterContext *ctx, AVFrame *frame)
745 {
746     TestSourceContext *s = ctx->priv;
747     FFDrawColor color;
748     unsigned alpha = (uint32_t)s->alpha << 24;
749 
750     /* colored background */
751     {
752         unsigned i, x = 0, x2;
753 
754         x = 0;
755         for (i = 1; i < 7; i++) {
756             x2 = av_rescale(i, s->w, 6);
757             x2 = ff_draw_round_to_sub(&s->draw, 0, 0, x2);
758             set_color(s, &color, ((i & 1) ? 0xFF0000 : 0) |
759                                  ((i & 2) ? 0x00FF00 : 0) |
760                                  ((i & 4) ? 0x0000FF : 0) |
761                                  alpha);
762             ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
763                               x, 0, x2 - x, frame->height);
764             x = x2;
765         }
766     }
767 
768     /* oblique gradient */
769     /* note: too slow if using blending */
770     if (s->h >= 64) {
771         unsigned x, dx, y0, y, g0, g;
772 
773         dx = ff_draw_round_to_sub(&s->draw, 0, +1, 1);
774         y0 = av_rescale_q(s->pts, s->time_base, av_make_q(2, s->h - 16));
775         g0 = av_rescale_q(s->pts, s->time_base, av_make_q(1, 128));
776         for (x = 0; x < s->w; x += dx) {
777             g = (av_rescale(x, 6 * 256, s->w) + g0) % (6 * 256);
778             set_color(s, &color, color_gradient(g) | alpha);
779             y = y0 + av_rescale(x, s->h / 2, s->w);
780             y %= 2 * (s->h - 16);
781             if (y > s->h - 16)
782                 y = 2 * (s->h - 16) - y;
783             y = ff_draw_round_to_sub(&s->draw, 1, 0, y);
784             ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
785                               x, y, dx, 16);
786         }
787     }
788 
789     /* top right: draw clock hands */
790     if (s->w >= 64 && s->h >= 64) {
791         int l = (FFMIN(s->w, s->h) - 32) >> 1;
792         int steps = FFMAX(4, l >> 5);
793         int xc = (s->w >> 2) + (s->w >> 1);
794         int yc = (s->h >> 2);
795         int cycle = l << 2;
796         int pos, xh, yh;
797         int c, i;
798 
799         for (c = 0; c < 3; c++) {
800             set_color(s, &color, (0xBBBBBB ^ (0xFF << (c << 3))) | alpha);
801             pos = av_rescale_q(s->pts, s->time_base, av_make_q(64 >> (c << 1), cycle)) % cycle;
802             xh = pos < 1 * l ? pos :
803                  pos < 2 * l ? l :
804                  pos < 3 * l ? 3 * l - pos : 0;
805             yh = pos < 1 * l ? 0 :
806                  pos < 2 * l ? pos - l :
807                  pos < 3 * l ? l :
808                                cycle - pos;
809             xh -= l >> 1;
810             yh -= l >> 1;
811             for (i = 1; i <= steps; i++) {
812                 int x = av_rescale(xh, i, steps) + xc;
813                 int y = av_rescale(yh, i, steps) + yc;
814                 x = ff_draw_round_to_sub(&s->draw, 0, -1, x);
815                 y = ff_draw_round_to_sub(&s->draw, 1, -1, y);
816                 ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
817                                   x, y, 8, 8);
818             }
819         }
820     }
821 
822     /* bottom left: beating rectangles */
823     if (s->w >= 64 && s->h >= 64) {
824         int l = (FFMIN(s->w, s->h) - 16) >> 2;
825         int cycle = l << 3;
826         int xc = (s->w >> 2);
827         int yc = (s->h >> 2) + (s->h >> 1);
828         int xm1 = ff_draw_round_to_sub(&s->draw, 0, -1, xc - 8);
829         int xm2 = ff_draw_round_to_sub(&s->draw, 0, +1, xc + 8);
830         int ym1 = ff_draw_round_to_sub(&s->draw, 1, -1, yc - 8);
831         int ym2 = ff_draw_round_to_sub(&s->draw, 1, +1, yc + 8);
832         int size, step, x1, x2, y1, y2;
833 
834         size = av_rescale_q(s->pts, s->time_base, av_make_q(4, cycle));
835         step = size / l;
836         size %= l;
837         if (step & 1)
838             size = l - size;
839         step = (step >> 1) & 3;
840         set_color(s, &color, 0xFF808080);
841         x1 = ff_draw_round_to_sub(&s->draw, 0, -1, xc - 4 - size);
842         x2 = ff_draw_round_to_sub(&s->draw, 0, +1, xc + 4 + size);
843         y1 = ff_draw_round_to_sub(&s->draw, 1, -1, yc - 4 - size);
844         y2 = ff_draw_round_to_sub(&s->draw, 1, +1, yc + 4 + size);
845         if (step == 0 || step == 2)
846             ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
847                               x1, ym1, x2 - x1, ym2 - ym1);
848         if (step == 1 || step == 2)
849             ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
850                               xm1, y1, xm2 - xm1, y2 - y1);
851         if (step == 3)
852             ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
853                               x1, y1, x2 - x1, y2 - y1);
854     }
855 
856     /* bottom right: checker with random noise */
857     {
858         unsigned xmin = av_rescale(5, s->w, 8);
859         unsigned xmax = av_rescale(7, s->w, 8);
860         unsigned ymin = av_rescale(5, s->h, 8);
861         unsigned ymax = av_rescale(7, s->h, 8);
862         unsigned x, y, i, r;
863         uint8_t alpha[256];
864 
865         r = s->pts;
866         for (y = ymin; y + 15 < ymax; y += 16) {
867             for (x = xmin; x + 15 < xmax; x += 16) {
868                 if ((x ^ y) & 16)
869                     continue;
870                 for (i = 0; i < 256; i++) {
871                     r = r * 1664525 + 1013904223;
872                     alpha[i] = r >> 24;
873                 }
874                 set_color(s, &color, 0xFF00FF80);
875                 ff_blend_mask(&s->draw, &color, frame->data, frame->linesize,
876                                    frame->width, frame->height,
877                                    alpha, 16, 16, 16, 3, 0, x, y);
878             }
879         }
880     }
881 
882     /* bouncing square */
883     if (s->w >= 16 && s->h >= 16) {
884         unsigned w = s->w - 8;
885         unsigned h = s->h - 8;
886         unsigned x = av_rescale_q(s->pts, s->time_base, av_make_q(233, 55 * w)) % (w << 1);
887         unsigned y = av_rescale_q(s->pts, s->time_base, av_make_q(233, 89 * h)) % (h << 1);
888         if (x > w)
889             x = (w << 1) - x;
890         if (y > h)
891             y = (h << 1) - y;
892         x = ff_draw_round_to_sub(&s->draw, 0, -1, x);
893         y = ff_draw_round_to_sub(&s->draw, 1, -1, y);
894         set_color(s, &color, 0xFF8000FF);
895         ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
896                           x, y, 8, 8);
897     }
898 
899     /* top right: draw frame time and frame number */
900     {
901         char buf[256];
902         unsigned time;
903 
904         time = av_rescale_q(s->pts, s->time_base, av_make_q(1, 1000)) % 86400000;
905         set_color(s, &color, 0xC0000000);
906         ff_blend_rectangle(&s->draw, &color, frame->data, frame->linesize,
907                            frame->width, frame->height,
908                            2, 2, 100, 36);
909         set_color(s, &color, 0xFFFF8000);
910         snprintf(buf, sizeof(buf), "%02d:%02d:%02d.%03d\n%12"PRIi64,
911                  time / 3600000, (time / 60000) % 60, (time / 1000) % 60,
912                  time % 1000, s->pts);
913         draw_text(s, frame, &color, 4, 4, buf);
914     }
915 }
test2_init(AVFilterContext * ctx)916 static av_cold int test2_init(AVFilterContext *ctx)
917 {
918     TestSourceContext *s = ctx->priv;
919 
920     s->fill_picture_fn = test2_fill_picture;
921     return init(ctx);
922 }
923 
test2_query_formats(AVFilterContext * ctx)924 static int test2_query_formats(AVFilterContext *ctx)
925 {
926     return ff_set_common_formats(ctx, ff_draw_supported_pixel_formats(0));
927 }
928 
test2_config_props(AVFilterLink * inlink)929 static int test2_config_props(AVFilterLink *inlink)
930 {
931     AVFilterContext *ctx = inlink->src;
932     TestSourceContext *s = ctx->priv;
933 
934     av_assert0(ff_draw_init(&s->draw, inlink->format, 0) >= 0);
935     s->w = ff_draw_round_to_sub(&s->draw, 0, -1, s->w);
936     s->h = ff_draw_round_to_sub(&s->draw, 1, -1, s->h);
937     if (av_image_check_size(s->w, s->h, 0, ctx) < 0)
938         return AVERROR(EINVAL);
939     return config_props(inlink);
940 }
941 
942 static const AVFilterPad avfilter_vsrc_testsrc2_outputs[] = {
943     {
944         .name          = "default",
945         .type          = AVMEDIA_TYPE_VIDEO,
946         .config_props  = test2_config_props,
947     },
948 };
949 
950 const AVFilter ff_vsrc_testsrc2 = {
951     .name          = "testsrc2",
952     .description   = NULL_IF_CONFIG_SMALL("Generate another test pattern."),
953     .priv_size     = sizeof(TestSourceContext),
954     .priv_class    = &testsrc2_class,
955     .init          = test2_init,
956     .uninit        = uninit,
957     .activate      = activate,
958     .inputs        = NULL,
959     FILTER_OUTPUTS(avfilter_vsrc_testsrc2_outputs),
960     FILTER_QUERY_FUNC(test2_query_formats),
961 };
962 
963 #endif /* CONFIG_TESTSRC2_FILTER */
964 
965 #if CONFIG_RGBTESTSRC_FILTER
966 
967 static const AVOption rgbtestsrc_options[] = {
968     COMMON_OPTIONS
969     { "complement", "set complement colors", OFFSET(complement), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
970     { "co",         "set complement colors", OFFSET(complement), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
971     { NULL }
972 };
973 
974 AVFILTER_DEFINE_CLASS(rgbtestsrc);
975 
976 #define R 0
977 #define G 1
978 #define B 2
979 #define A 3
980 
rgbtest_put_pixel(uint8_t * dstp[4],int dst_linesizep[4],int x,int y,unsigned r,unsigned g,unsigned b,enum AVPixelFormat fmt,uint8_t rgba_map[4])981 static void rgbtest_put_pixel(uint8_t *dstp[4], int dst_linesizep[4],
982                               int x, int y, unsigned r, unsigned g, unsigned b, enum AVPixelFormat fmt,
983                               uint8_t rgba_map[4])
984 {
985     uint8_t *dst = dstp[0];
986     int dst_linesize = dst_linesizep[0];
987     uint32_t v;
988     uint8_t *p;
989     uint16_t *p16;
990 
991     switch (fmt) {
992     case AV_PIX_FMT_BGR444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r >> 4) << 8) | ((g >> 4) << 4) | (b >> 4); break;
993     case AV_PIX_FMT_RGB444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b >> 4) << 8) | ((g >> 4) << 4) | (r >> 4); break;
994     case AV_PIX_FMT_BGR555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<10) | ((g>>3)<<5) | (b>>3); break;
995     case AV_PIX_FMT_RGB555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<10) | ((g>>3)<<5) | (r>>3); break;
996     case AV_PIX_FMT_BGR565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<11) | ((g>>2)<<5) | (b>>3); break;
997     case AV_PIX_FMT_RGB565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<11) | ((g>>2)<<5) | (r>>3); break;
998     case AV_PIX_FMT_RGB24:
999     case AV_PIX_FMT_BGR24:
1000         v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8));
1001         p = dst + 3*x + y*dst_linesize;
1002         AV_WL24(p, v);
1003         break;
1004     case AV_PIX_FMT_RGBA:
1005     case AV_PIX_FMT_BGRA:
1006     case AV_PIX_FMT_ARGB:
1007     case AV_PIX_FMT_ABGR:
1008         v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8)) + (255U << (rgba_map[A]*8));
1009         p = dst + 4*x + y*dst_linesize;
1010         AV_WL32(p, v);
1011         break;
1012     case AV_PIX_FMT_GBRP:
1013         p = dstp[0] + x + y * dst_linesizep[0];
1014         p[0] = g;
1015         p = dstp[1] + x + y * dst_linesizep[1];
1016         p[0] = b;
1017         p = dstp[2] + x + y * dst_linesizep[2];
1018         p[0] = r;
1019         break;
1020     case AV_PIX_FMT_GBRP9:
1021     case AV_PIX_FMT_GBRP10:
1022     case AV_PIX_FMT_GBRP12:
1023     case AV_PIX_FMT_GBRP14:
1024     case AV_PIX_FMT_GBRP16:
1025         p16 = (uint16_t *)(dstp[0] + x*2 + y * dst_linesizep[0]);
1026         p16[0] = g;
1027         p16 = (uint16_t *)(dstp[1] + x*2 + y * dst_linesizep[1]);
1028         p16[0] = b;
1029         p16 = (uint16_t *)(dstp[2] + x*2 + y * dst_linesizep[2]);
1030         p16[0] = r;
1031         break;
1032     }
1033 }
1034 
rgbtest_fill_picture_complement(AVFilterContext * ctx,AVFrame * frame)1035 static void rgbtest_fill_picture_complement(AVFilterContext *ctx, AVFrame *frame)
1036 {
1037     TestSourceContext *test = ctx->priv;
1038     int x, y, w = frame->width, h = frame->height;
1039 
1040     for (y = 0; y < h; y++) {
1041          for (x = 0; x < w; x++) {
1042              int c = (1 << FFMAX(test->depth, 8))*x/w;
1043              int r = 0, g = 0, b = 0;
1044 
1045              if      (6*y < h  ) r = c;
1046              else if (6*y < 2*h) g = c, b = c;
1047              else if (6*y < 3*h) g = c;
1048              else if (6*y < 4*h) r = c, b = c;
1049              else if (6*y < 5*h) b = c;
1050              else                r = c, g = c;
1051 
1052              rgbtest_put_pixel(frame->data, frame->linesize, x, y, r, g, b,
1053                                ctx->outputs[0]->format, test->rgba_map);
1054          }
1055      }
1056 }
1057 
rgbtest_fill_picture(AVFilterContext * ctx,AVFrame * frame)1058 static void rgbtest_fill_picture(AVFilterContext *ctx, AVFrame *frame)
1059 {
1060     TestSourceContext *test = ctx->priv;
1061     int x, y, w = frame->width, h = frame->height;
1062 
1063     for (y = 0; y < h; y++) {
1064          for (x = 0; x < w; x++) {
1065              int c = (1 << FFMAX(test->depth, 8))*x/w;
1066              int r = 0, g = 0, b = 0;
1067 
1068              if      (3*y < h  ) r = c;
1069              else if (3*y < 2*h) g = c;
1070              else                b = c;
1071 
1072              rgbtest_put_pixel(frame->data, frame->linesize, x, y, r, g, b,
1073                                ctx->outputs[0]->format, test->rgba_map);
1074          }
1075      }
1076 }
1077 
rgbtest_init(AVFilterContext * ctx)1078 static av_cold int rgbtest_init(AVFilterContext *ctx)
1079 {
1080     TestSourceContext *test = ctx->priv;
1081 
1082     test->draw_once = 1;
1083     test->fill_picture_fn = test->complement ? rgbtest_fill_picture_complement : rgbtest_fill_picture;
1084     return init(ctx);
1085 }
1086 
1087 static const enum AVPixelFormat rgbtest_pix_fmts[] = {
1088         AV_PIX_FMT_RGBA, AV_PIX_FMT_ARGB, AV_PIX_FMT_BGRA, AV_PIX_FMT_ABGR,
1089         AV_PIX_FMT_BGR24, AV_PIX_FMT_RGB24,
1090         AV_PIX_FMT_RGB444, AV_PIX_FMT_BGR444,
1091         AV_PIX_FMT_RGB565, AV_PIX_FMT_BGR565,
1092         AV_PIX_FMT_RGB555, AV_PIX_FMT_BGR555,
1093         AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
1094         AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
1095         AV_PIX_FMT_NONE
1096     };
1097 
rgbtest_config_props(AVFilterLink * outlink)1098 static int rgbtest_config_props(AVFilterLink *outlink)
1099 {
1100     TestSourceContext *test = outlink->src->priv;
1101     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
1102 
1103     test->depth = desc->comp[0].depth;
1104     ff_fill_rgba_map(test->rgba_map, outlink->format);
1105     return config_props(outlink);
1106 }
1107 
1108 static const AVFilterPad avfilter_vsrc_rgbtestsrc_outputs[] = {
1109     {
1110         .name          = "default",
1111         .type          = AVMEDIA_TYPE_VIDEO,
1112         .config_props  = rgbtest_config_props,
1113     },
1114 };
1115 
1116 const AVFilter ff_vsrc_rgbtestsrc = {
1117     .name          = "rgbtestsrc",
1118     .description   = NULL_IF_CONFIG_SMALL("Generate RGB test pattern."),
1119     .priv_size     = sizeof(TestSourceContext),
1120     .priv_class    = &rgbtestsrc_class,
1121     .init          = rgbtest_init,
1122     .uninit        = uninit,
1123     .activate      = activate,
1124     .inputs        = NULL,
1125     FILTER_OUTPUTS(avfilter_vsrc_rgbtestsrc_outputs),
1126     FILTER_PIXFMTS_ARRAY(rgbtest_pix_fmts),
1127 };
1128 
1129 #endif /* CONFIG_RGBTESTSRC_FILTER */
1130 
1131 #if CONFIG_YUVTESTSRC_FILTER
1132 
yuvtest_fill_picture8(AVFilterContext * ctx,AVFrame * frame)1133 static void yuvtest_fill_picture8(AVFilterContext *ctx, AVFrame *frame)
1134 {
1135     int x, y, w = frame->width, h = frame->height / 3;
1136     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
1137     const int factor = 1 << desc->comp[0].depth;
1138     const int mid = 1 << (desc->comp[0].depth - 1);
1139     uint8_t *ydst = frame->data[0];
1140     uint8_t *udst = frame->data[1];
1141     uint8_t *vdst = frame->data[2];
1142     int ylinesize = frame->linesize[0];
1143     int ulinesize = frame->linesize[1];
1144     int vlinesize = frame->linesize[2];
1145 
1146     for (y = 0; y < h; y++) {
1147         for (x = 0; x < w; x++) {
1148             int c = factor * x / w;
1149 
1150             ydst[x] = c;
1151             udst[x] = mid;
1152             vdst[x] = mid;
1153         }
1154 
1155         ydst += ylinesize;
1156         udst += ulinesize;
1157         vdst += vlinesize;
1158     }
1159 
1160     h += h;
1161     for (; y < h; y++) {
1162         for (x = 0; x < w; x++) {
1163             int c = factor * x / w;
1164 
1165             ydst[x] = mid;
1166             udst[x] = c;
1167             vdst[x] = mid;
1168         }
1169 
1170         ydst += ylinesize;
1171         udst += ulinesize;
1172         vdst += vlinesize;
1173     }
1174 
1175     for (; y < frame->height; y++) {
1176         for (x = 0; x < w; x++) {
1177             int c = factor * x / w;
1178 
1179             ydst[x] = mid;
1180             udst[x] = mid;
1181             vdst[x] = c;
1182         }
1183 
1184         ydst += ylinesize;
1185         udst += ulinesize;
1186         vdst += vlinesize;
1187     }
1188 }
1189 
yuvtest_fill_picture16(AVFilterContext * ctx,AVFrame * frame)1190 static void yuvtest_fill_picture16(AVFilterContext *ctx, AVFrame *frame)
1191 {
1192     int x, y, w = frame->width, h = frame->height / 3;
1193     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
1194     const int factor = 1 << desc->comp[0].depth;
1195     const int mid = 1 << (desc->comp[0].depth - 1);
1196     uint16_t *ydst = (uint16_t *)frame->data[0];
1197     uint16_t *udst = (uint16_t *)frame->data[1];
1198     uint16_t *vdst = (uint16_t *)frame->data[2];
1199     int ylinesize = frame->linesize[0] / 2;
1200     int ulinesize = frame->linesize[1] / 2;
1201     int vlinesize = frame->linesize[2] / 2;
1202 
1203     for (y = 0; y < h; y++) {
1204         for (x = 0; x < w; x++) {
1205             int c = factor * x / w;
1206 
1207             ydst[x] = c;
1208             udst[x] = mid;
1209             vdst[x] = mid;
1210         }
1211 
1212         ydst += ylinesize;
1213         udst += ulinesize;
1214         vdst += vlinesize;
1215     }
1216 
1217     h += h;
1218     for (; y < h; y++) {
1219         for (x = 0; x < w; x++) {
1220             int c = factor * x / w;
1221 
1222             ydst[x] = mid;
1223             udst[x] = c;
1224             vdst[x] = mid;
1225         }
1226 
1227         ydst += ylinesize;
1228         udst += ulinesize;
1229         vdst += vlinesize;
1230     }
1231 
1232     for (; y < frame->height; y++) {
1233         for (x = 0; x < w; x++) {
1234             int c = factor * x / w;
1235 
1236             ydst[x] = mid;
1237             udst[x] = mid;
1238             vdst[x] = c;
1239         }
1240 
1241         ydst += ylinesize;
1242         udst += ulinesize;
1243         vdst += vlinesize;
1244     }
1245 }
1246 
yuvtest_init(AVFilterContext * ctx)1247 static av_cold int yuvtest_init(AVFilterContext *ctx)
1248 {
1249     TestSourceContext *test = ctx->priv;
1250 
1251     test->draw_once = 1;
1252     return init(ctx);
1253 }
1254 
1255 static const enum AVPixelFormat yuvtest_pix_fmts[] = {
1256     AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P,
1257     AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10,
1258     AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14,
1259     AV_PIX_FMT_YUV444P16,
1260     AV_PIX_FMT_NONE
1261 };
1262 
yuvtest_config_props(AVFilterLink * outlink)1263 static int yuvtest_config_props(AVFilterLink *outlink)
1264 {
1265     TestSourceContext *test = outlink->src->priv;
1266     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
1267 
1268     test->fill_picture_fn = desc->comp[0].depth > 8 ? yuvtest_fill_picture16 : yuvtest_fill_picture8;
1269     return config_props(outlink);
1270 }
1271 
1272 static const AVFilterPad avfilter_vsrc_yuvtestsrc_outputs[] = {
1273     {
1274         .name          = "default",
1275         .type          = AVMEDIA_TYPE_VIDEO,
1276         .config_props  = yuvtest_config_props,
1277     },
1278 };
1279 
1280 const AVFilter ff_vsrc_yuvtestsrc = {
1281     .name          = "yuvtestsrc",
1282     .description   = NULL_IF_CONFIG_SMALL("Generate YUV test pattern."),
1283     .priv_size     = sizeof(TestSourceContext),
1284     .priv_class    = &nullsrc_yuvtestsrc_class,
1285     .init          = yuvtest_init,
1286     .uninit        = uninit,
1287     .activate      = activate,
1288     .inputs        = NULL,
1289     FILTER_OUTPUTS(avfilter_vsrc_yuvtestsrc_outputs),
1290     FILTER_PIXFMTS_ARRAY(yuvtest_pix_fmts),
1291 };
1292 
1293 #endif /* CONFIG_YUVTESTSRC_FILTER */
1294 
1295 #if CONFIG_PAL75BARS_FILTER || CONFIG_PAL100BARS_FILTER || CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER
1296 
1297 static const uint8_t rainbow[7][4] = {
1298     { 180, 128, 128, 255 },     /* 75% white */
1299     { 162,  44, 142, 255 },     /* 75% yellow */
1300     { 131, 156,  44, 255 },     /* 75% cyan */
1301     { 112,  72,  58, 255 },     /* 75% green */
1302     {  84, 184, 198, 255 },     /* 75% magenta */
1303     {  65, 100, 212, 255 },     /* 75% red */
1304     {  35, 212, 114, 255 },     /* 75% blue */
1305 };
1306 
1307 static const uint8_t rainbow100[7][4] = {
1308     { 235, 128, 128, 255 },     /* 100% white */
1309     { 210,  16, 146, 255 },     /* 100% yellow */
1310     { 170, 166,  16, 255 },     /* 100% cyan */
1311     { 145,  54,  34, 255 },     /* 100% green */
1312     { 106, 202, 222, 255 },     /* 100% magenta */
1313     {  81,  90, 240, 255 },     /* 100% red */
1314     {  41, 240, 110, 255 },     /* 100% blue */
1315 };
1316 
1317 static const uint8_t rainbowhd[7][4] = {
1318     { 180, 128, 128, 255 },     /* 75% white */
1319     { 168,  44, 136, 255 },     /* 75% yellow */
1320     { 145, 147,  44, 255 },     /* 75% cyan */
1321     { 133,  63,  52, 255 },     /* 75% green */
1322     {  63, 193, 204, 255 },     /* 75% magenta */
1323     {  51, 109, 212, 255 },     /* 75% red */
1324     {  28, 212, 120, 255 },     /* 75% blue */
1325 };
1326 
1327 static const uint8_t wobnair[7][4] = {
1328     {  35, 212, 114, 255 },     /* 75% blue */
1329     {  19, 128, 128, 255 },     /* 7.5% intensity black */
1330     {  84, 184, 198, 255 },     /* 75% magenta */
1331     {  19, 128, 128, 255 },     /* 7.5% intensity black */
1332     { 131, 156,  44, 255 },     /* 75% cyan */
1333     {  19, 128, 128, 255 },     /* 7.5% intensity black */
1334     { 180, 128, 128, 255 },     /* 75% white */
1335 };
1336 
1337 static const uint8_t white[4] = { 235, 128, 128, 255 };
1338 
1339 /* pluge pulses */
1340 static const uint8_t neg4ire[4] = {  7, 128, 128, 255 };
1341 static const uint8_t pos4ire[4] = { 24, 128, 128, 255 };
1342 
1343 /* fudged Q/-I */
1344 static const uint8_t i_pixel[4] = { 57, 156,  97, 255 };
1345 static const uint8_t q_pixel[4] = { 44, 171, 147, 255 };
1346 
1347 static const uint8_t gray40[4] = { 104, 128, 128, 255 };
1348 static const uint8_t gray15[4] = {  49, 128, 128, 255 };
1349 static const uint8_t   cyan[4] = { 188, 154,  16, 255 };
1350 static const uint8_t yellow[4] = { 219,  16, 138, 255 };
1351 static const uint8_t   blue[4] = {  32, 240, 118, 255 };
1352 static const uint8_t    red[4] = {  63, 102, 240, 255 };
1353 static const uint8_t black0[4] = {  16, 128, 128, 255 };
1354 static const uint8_t black2[4] = {  20, 128, 128, 255 };
1355 static const uint8_t black4[4] = {  25, 128, 128, 255 };
1356 static const uint8_t   neg2[4] = {  12, 128, 128, 255 };
1357 
draw_bar(TestSourceContext * test,const uint8_t color[4],int x,int y,int w,int h,AVFrame * frame)1358 static void draw_bar(TestSourceContext *test, const uint8_t color[4],
1359                      int x, int y, int w, int h,
1360                      AVFrame *frame)
1361 {
1362     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
1363     uint8_t *p, *p0;
1364     int plane;
1365 
1366     x = FFMIN(x, test->w - 1);
1367     y = FFMIN(y, test->h - 1);
1368     w = FFMAX(FFMIN(w, test->w - x), 0);
1369     h = FFMAX(FFMIN(h, test->h - y), 0);
1370 
1371     av_assert0(x + w <= test->w);
1372     av_assert0(y + h <= test->h);
1373 
1374     for (plane = 0; frame->data[plane]; plane++) {
1375         const int c = color[plane];
1376         const int linesize = frame->linesize[plane];
1377         int i, px, py, pw, ph;
1378 
1379         if (plane == 1 || plane == 2) {
1380             px = x >> desc->log2_chroma_w;
1381             pw = AV_CEIL_RSHIFT(w, desc->log2_chroma_w);
1382             py = y >> desc->log2_chroma_h;
1383             ph = AV_CEIL_RSHIFT(h, desc->log2_chroma_h);
1384         } else {
1385             px = x;
1386             pw = w;
1387             py = y;
1388             ph = h;
1389         }
1390 
1391         p0 = p = frame->data[plane] + py * linesize + px;
1392         memset(p, c, pw);
1393         p += linesize;
1394         for (i = 1; i < ph; i++, p += linesize)
1395             memcpy(p, p0, pw);
1396     }
1397 }
1398 
1399 static const enum AVPixelFormat smptebars_pix_fmts[] = {
1400     AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P,
1401     AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
1402     AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P,
1403     AV_PIX_FMT_NONE,
1404 };
1405 
1406 static const AVFilterPad smptebars_outputs[] = {
1407     {
1408         .name          = "default",
1409         .type          = AVMEDIA_TYPE_VIDEO,
1410         .config_props  = config_props,
1411     },
1412 };
1413 
1414 AVFILTER_DEFINE_CLASS_EXT(palbars, "pal(75|100)bars", options);
1415 
1416 #if CONFIG_PAL75BARS_FILTER
1417 
pal75bars_fill_picture(AVFilterContext * ctx,AVFrame * picref)1418 static void pal75bars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
1419 {
1420     TestSourceContext *test = ctx->priv;
1421     int r_w, i, x = 0;
1422     const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
1423 
1424     picref->color_range = AVCOL_RANGE_MPEG;
1425     picref->colorspace = AVCOL_SPC_BT470BG;
1426 
1427     r_w = FFALIGN((test->w + 7) / 8, 1 << pixdesc->log2_chroma_w);
1428 
1429     draw_bar(test, white, x, 0, r_w, test->h, picref);
1430     x += r_w;
1431     for (i = 1; i < 7; i++) {
1432         draw_bar(test, rainbow[i], x, 0, r_w, test->h, picref);
1433         x += r_w;
1434     }
1435     draw_bar(test, black0, x, 0, r_w, test->h, picref);
1436 }
1437 
pal75bars_init(AVFilterContext * ctx)1438 static av_cold int pal75bars_init(AVFilterContext *ctx)
1439 {
1440     TestSourceContext *test = ctx->priv;
1441 
1442     test->fill_picture_fn = pal75bars_fill_picture;
1443     test->draw_once = 1;
1444     return init(ctx);
1445 }
1446 
1447 const AVFilter ff_vsrc_pal75bars = {
1448     .name          = "pal75bars",
1449     .description   = NULL_IF_CONFIG_SMALL("Generate PAL 75% color bars."),
1450     .priv_class    = &palbars_class,
1451     .priv_size     = sizeof(TestSourceContext),
1452     .init          = pal75bars_init,
1453     .uninit        = uninit,
1454     .activate      = activate,
1455     .inputs        = NULL,
1456     FILTER_OUTPUTS(smptebars_outputs),
1457     FILTER_PIXFMTS_ARRAY(smptebars_pix_fmts),
1458 };
1459 
1460 #endif  /* CONFIG_PAL75BARS_FILTER */
1461 
1462 #if CONFIG_PAL100BARS_FILTER
1463 
pal100bars_fill_picture(AVFilterContext * ctx,AVFrame * picref)1464 static void pal100bars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
1465 {
1466     TestSourceContext *test = ctx->priv;
1467     int r_w, i, x = 0;
1468     const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
1469 
1470     picref->color_range = AVCOL_RANGE_MPEG;
1471     picref->colorspace = AVCOL_SPC_BT470BG;
1472 
1473     r_w = FFALIGN((test->w + 7) / 8, 1 << pixdesc->log2_chroma_w);
1474 
1475     for (i = 0; i < 7; i++) {
1476         draw_bar(test, rainbow100[i], x, 0, r_w, test->h, picref);
1477         x += r_w;
1478     }
1479     draw_bar(test, black0, x, 0, r_w, test->h, picref);
1480 }
1481 
pal100bars_init(AVFilterContext * ctx)1482 static av_cold int pal100bars_init(AVFilterContext *ctx)
1483 {
1484     TestSourceContext *test = ctx->priv;
1485 
1486     test->fill_picture_fn = pal100bars_fill_picture;
1487     test->draw_once = 1;
1488     return init(ctx);
1489 }
1490 
1491 const AVFilter ff_vsrc_pal100bars = {
1492     .name          = "pal100bars",
1493     .description   = NULL_IF_CONFIG_SMALL("Generate PAL 100% color bars."),
1494     .priv_class    = &palbars_class,
1495     .priv_size     = sizeof(TestSourceContext),
1496     .init          = pal100bars_init,
1497     .uninit        = uninit,
1498     .activate      = activate,
1499     .inputs        = NULL,
1500     FILTER_OUTPUTS(smptebars_outputs),
1501     FILTER_PIXFMTS_ARRAY(smptebars_pix_fmts),
1502 };
1503 
1504 #endif  /* CONFIG_PAL100BARS_FILTER */
1505 
1506 AVFILTER_DEFINE_CLASS_EXT(smptebars, "smpte(hd)bars", options);
1507 
1508 #if CONFIG_SMPTEBARS_FILTER
1509 
smptebars_fill_picture(AVFilterContext * ctx,AVFrame * picref)1510 static void smptebars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
1511 {
1512     TestSourceContext *test = ctx->priv;
1513     int r_w, r_h, w_h, p_w, p_h, i, tmp, x = 0;
1514     const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
1515 
1516     picref->colorspace = AVCOL_SPC_BT470BG;
1517 
1518     r_w = FFALIGN((test->w + 6) / 7, 1 << pixdesc->log2_chroma_w);
1519     r_h = FFALIGN(test->h * 2 / 3, 1 << pixdesc->log2_chroma_h);
1520     w_h = FFALIGN(test->h * 3 / 4 - r_h,  1 << pixdesc->log2_chroma_h);
1521     p_w = FFALIGN(r_w * 5 / 4, 1 << pixdesc->log2_chroma_w);
1522     p_h = test->h - w_h - r_h;
1523 
1524     for (i = 0; i < 7; i++) {
1525         draw_bar(test, rainbow[i], x, 0,   r_w, r_h, picref);
1526         draw_bar(test, wobnair[i], x, r_h, r_w, w_h, picref);
1527         x += r_w;
1528     }
1529     x = 0;
1530     draw_bar(test, i_pixel, x, r_h + w_h, p_w, p_h, picref);
1531     x += p_w;
1532     draw_bar(test, white, x, r_h + w_h, p_w, p_h, picref);
1533     x += p_w;
1534     draw_bar(test, q_pixel, x, r_h + w_h, p_w, p_h, picref);
1535     x += p_w;
1536     tmp = FFALIGN(5 * r_w - x,  1 << pixdesc->log2_chroma_w);
1537     draw_bar(test, black0, x, r_h + w_h, tmp, p_h, picref);
1538     x += tmp;
1539     tmp = FFALIGN(r_w / 3,  1 << pixdesc->log2_chroma_w);
1540     draw_bar(test, neg4ire, x, r_h + w_h, tmp, p_h, picref);
1541     x += tmp;
1542     draw_bar(test, black0, x, r_h + w_h, tmp, p_h, picref);
1543     x += tmp;
1544     draw_bar(test, pos4ire, x, r_h + w_h, tmp, p_h, picref);
1545     x += tmp;
1546     draw_bar(test, black0, x, r_h + w_h, test->w - x, p_h, picref);
1547 }
1548 
smptebars_init(AVFilterContext * ctx)1549 static av_cold int smptebars_init(AVFilterContext *ctx)
1550 {
1551     TestSourceContext *test = ctx->priv;
1552 
1553     test->fill_picture_fn = smptebars_fill_picture;
1554     test->draw_once = 1;
1555     return init(ctx);
1556 }
1557 
1558 const AVFilter ff_vsrc_smptebars = {
1559     .name          = "smptebars",
1560     .description   = NULL_IF_CONFIG_SMALL("Generate SMPTE color bars."),
1561     .priv_size     = sizeof(TestSourceContext),
1562     .priv_class    = &smptebars_class,
1563     .init          = smptebars_init,
1564     .uninit        = uninit,
1565     .activate      = activate,
1566     .inputs        = NULL,
1567     FILTER_OUTPUTS(smptebars_outputs),
1568     FILTER_PIXFMTS_ARRAY(smptebars_pix_fmts),
1569 };
1570 
1571 #endif  /* CONFIG_SMPTEBARS_FILTER */
1572 
1573 #if CONFIG_SMPTEHDBARS_FILTER
1574 
smptehdbars_fill_picture(AVFilterContext * ctx,AVFrame * picref)1575 static void smptehdbars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
1576 {
1577     TestSourceContext *test = ctx->priv;
1578     int d_w, r_w, r_h, l_w, i, tmp, x = 0, y = 0;
1579     const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
1580 
1581     picref->colorspace = AVCOL_SPC_BT709;
1582 
1583     d_w = FFALIGN(test->w / 8, 1 << pixdesc->log2_chroma_w);
1584     r_h = FFALIGN(test->h * 7 / 12, 1 << pixdesc->log2_chroma_h);
1585     draw_bar(test, gray40, x, 0, d_w, r_h, picref);
1586     x += d_w;
1587 
1588     r_w = FFALIGN((((test->w + 3) / 4) * 3) / 7, 1 << pixdesc->log2_chroma_w);
1589     for (i = 0; i < 7; i++) {
1590         draw_bar(test, rainbowhd[i], x, 0, r_w, r_h, picref);
1591         x += r_w;
1592     }
1593     draw_bar(test, gray40, x, 0, test->w - x, r_h, picref);
1594     y = r_h;
1595     r_h = FFALIGN(test->h / 12, 1 << pixdesc->log2_chroma_h);
1596     draw_bar(test, cyan, 0, y, d_w, r_h, picref);
1597     x = d_w;
1598     draw_bar(test, i_pixel, x, y, r_w, r_h, picref);
1599     x += r_w;
1600     tmp = r_w * 6;
1601     draw_bar(test, rainbowhd[0], x, y, tmp, r_h, picref);
1602     x += tmp;
1603     l_w = x;
1604     draw_bar(test, blue, x, y, test->w - x, r_h, picref);
1605     y += r_h;
1606     draw_bar(test, yellow, 0, y, d_w, r_h, picref);
1607     x = d_w;
1608     draw_bar(test, q_pixel, x, y, r_w, r_h, picref);
1609     x += r_w;
1610 
1611     for (i = 0; i < tmp; i += 1 << pixdesc->log2_chroma_w) {
1612         uint8_t yramp[4] = {0};
1613 
1614         yramp[0] = i * 255 / tmp;
1615         yramp[1] = 128;
1616         yramp[2] = 128;
1617         yramp[3] = 255;
1618 
1619         draw_bar(test, yramp, x, y, 1 << pixdesc->log2_chroma_w, r_h, picref);
1620         x += 1 << pixdesc->log2_chroma_w;
1621     }
1622     draw_bar(test, red, x, y, test->w - x, r_h, picref);
1623     y += r_h;
1624     draw_bar(test, gray15, 0, y, d_w, test->h - y, picref);
1625     x = d_w;
1626     tmp = FFALIGN(r_w * 3 / 2, 1 << pixdesc->log2_chroma_w);
1627     draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1628     x += tmp;
1629     tmp = FFALIGN(r_w * 2, 1 << pixdesc->log2_chroma_w);
1630     draw_bar(test, white, x, y, tmp, test->h - y, picref);
1631     x += tmp;
1632     tmp = FFALIGN(r_w * 5 / 6, 1 << pixdesc->log2_chroma_w);
1633     draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1634     x += tmp;
1635     tmp = FFALIGN(r_w / 3, 1 << pixdesc->log2_chroma_w);
1636     draw_bar(test,   neg2, x, y, tmp, test->h - y, picref);
1637     x += tmp;
1638     draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1639     x += tmp;
1640     draw_bar(test, black2, x, y, tmp, test->h - y, picref);
1641     x += tmp;
1642     draw_bar(test, black0, x, y, tmp, test->h - y, picref);
1643     x += tmp;
1644     draw_bar(test, black4, x, y, tmp, test->h - y, picref);
1645     x += tmp;
1646     r_w = l_w - x;
1647     draw_bar(test, black0, x, y, r_w, test->h - y, picref);
1648     x += r_w;
1649     draw_bar(test, gray15, x, y, test->w - x, test->h - y, picref);
1650 }
1651 
smptehdbars_init(AVFilterContext * ctx)1652 static av_cold int smptehdbars_init(AVFilterContext *ctx)
1653 {
1654     TestSourceContext *test = ctx->priv;
1655 
1656     test->fill_picture_fn = smptehdbars_fill_picture;
1657     test->draw_once = 1;
1658     return init(ctx);
1659 }
1660 
1661 const AVFilter ff_vsrc_smptehdbars = {
1662     .name          = "smptehdbars",
1663     .description   = NULL_IF_CONFIG_SMALL("Generate SMPTE HD color bars."),
1664     .priv_class    = &smptebars_class,
1665     .priv_size     = sizeof(TestSourceContext),
1666     .init          = smptehdbars_init,
1667     .uninit        = uninit,
1668     .activate      = activate,
1669     .inputs        = NULL,
1670     FILTER_OUTPUTS(smptebars_outputs),
1671     FILTER_PIXFMTS_ARRAY(smptebars_pix_fmts),
1672 };
1673 
1674 #endif  /* CONFIG_SMPTEHDBARS_FILTER */
1675 #endif  /* CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER */
1676 
1677 AVFILTER_DEFINE_CLASS_EXT(allyuv_allrgb, "allyuv/allrgb",
1678                           &options[NOSIZE_OPTIONS_OFFSET]);
1679 
1680 #if CONFIG_ALLYUV_FILTER
1681 
allyuv_fill_picture(AVFilterContext * ctx,AVFrame * frame)1682 static void allyuv_fill_picture(AVFilterContext *ctx, AVFrame *frame)
1683 {
1684     const int ys = frame->linesize[0];
1685     const int us = frame->linesize[1];
1686     const int vs = frame->linesize[2];
1687     int x, y, j;
1688 
1689     for (y = 0; y < 4096; y++) {
1690         for (x = 0; x < 2048; x++) {
1691             frame->data[0][y * ys + x] = ((x / 8) % 256);
1692             frame->data[0][y * ys + 4095 - x] = ((x / 8) % 256);
1693         }
1694 
1695         for (x = 0; x < 2048; x+=8) {
1696             for (j = 0; j < 8; j++) {
1697                 frame->data[1][vs * y + x + j]        = (y%16 + (j % 8) * 16);
1698                 frame->data[1][vs * y + 4095 - x - j] = (128 + y%16 + (j % 8) * 16);
1699             }
1700         }
1701 
1702         for (x = 0; x < 4096; x++)
1703             frame->data[2][y * us + x] = 256 * y / 4096;
1704     }
1705 }
1706 
allyuv_init(AVFilterContext * ctx)1707 static av_cold int allyuv_init(AVFilterContext *ctx)
1708 {
1709     TestSourceContext *test = ctx->priv;
1710 
1711     test->w = test->h = 4096;
1712     test->draw_once = 1;
1713     test->fill_picture_fn = allyuv_fill_picture;
1714     return init(ctx);
1715 }
1716 
1717 static const AVFilterPad avfilter_vsrc_allyuv_outputs[] = {
1718     {
1719         .name          = "default",
1720         .type          = AVMEDIA_TYPE_VIDEO,
1721         .config_props  = config_props,
1722     },
1723 };
1724 
1725 const AVFilter ff_vsrc_allyuv = {
1726     .name          = "allyuv",
1727     .description   = NULL_IF_CONFIG_SMALL("Generate all yuv colors."),
1728     .priv_size     = sizeof(TestSourceContext),
1729     .priv_class    = &allyuv_allrgb_class,
1730     .init          = allyuv_init,
1731     .uninit        = uninit,
1732     .activate      = activate,
1733     .inputs        = NULL,
1734     FILTER_OUTPUTS(avfilter_vsrc_allyuv_outputs),
1735     FILTER_PIXFMTS(AV_PIX_FMT_YUV444P, AV_PIX_FMT_GBRP),
1736 };
1737 
1738 #endif /* CONFIG_ALLYUV_FILTER */
1739 
1740 #if CONFIG_ALLRGB_FILTER
1741 
allrgb_fill_picture(AVFilterContext * ctx,AVFrame * frame)1742 static void allrgb_fill_picture(AVFilterContext *ctx, AVFrame *frame)
1743 {
1744     unsigned x, y;
1745     const int linesize = frame->linesize[0];
1746     uint8_t *line = frame->data[0];
1747 
1748     for (y = 0; y < 4096; y++) {
1749         uint8_t *dst = line;
1750 
1751         for (x = 0; x < 4096; x++) {
1752             *dst++ = x;
1753             *dst++ = y;
1754             *dst++ = (x >> 8) | ((y >> 8) << 4);
1755         }
1756         line += linesize;
1757     }
1758 }
1759 
allrgb_init(AVFilterContext * ctx)1760 static av_cold int allrgb_init(AVFilterContext *ctx)
1761 {
1762     TestSourceContext *test = ctx->priv;
1763 
1764     test->w = test->h = 4096;
1765     test->draw_once = 1;
1766     test->fill_picture_fn = allrgb_fill_picture;
1767     return init(ctx);
1768 }
1769 
allrgb_config_props(AVFilterLink * outlink)1770 static int allrgb_config_props(AVFilterLink *outlink)
1771 {
1772     TestSourceContext *test = outlink->src->priv;
1773 
1774     ff_fill_rgba_map(test->rgba_map, outlink->format);
1775     return config_props(outlink);
1776 }
1777 
1778 static const AVFilterPad avfilter_vsrc_allrgb_outputs[] = {
1779     {
1780         .name          = "default",
1781         .type          = AVMEDIA_TYPE_VIDEO,
1782         .config_props  = allrgb_config_props,
1783     },
1784 };
1785 
1786 const AVFilter ff_vsrc_allrgb = {
1787     .name          = "allrgb",
1788     .description   = NULL_IF_CONFIG_SMALL("Generate all RGB colors."),
1789     .priv_size     = sizeof(TestSourceContext),
1790     .priv_class    = &allyuv_allrgb_class,
1791     .init          = allrgb_init,
1792     .uninit        = uninit,
1793     .activate      = activate,
1794     .inputs        = NULL,
1795     FILTER_OUTPUTS(avfilter_vsrc_allrgb_outputs),
1796     FILTER_SINGLE_PIXFMT(AV_PIX_FMT_RGB24),
1797 };
1798 
1799 #endif /* CONFIG_ALLRGB_FILTER */
1800 
1801 #if CONFIG_COLORSPECTRUM_FILTER
1802 
1803 static const AVOption colorspectrum_options[] = {
1804     COMMON_OPTIONS
1805     { "type", "set the color spectrum type", OFFSET(type), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGS, "type" },
1806     { "black","fade to black",               0,            AV_OPT_TYPE_CONST,{.i64=0},0, 0, FLAGS, "type" },
1807     { "white","fade to white",               0,            AV_OPT_TYPE_CONST,{.i64=1},0, 0, FLAGS, "type" },
1808     { "all",  "white to black",              0,            AV_OPT_TYPE_CONST,{.i64=2},0, 0, FLAGS, "type" },
1809     { NULL }
1810 };
1811 
1812 AVFILTER_DEFINE_CLASS(colorspectrum);
1813 
mix(float a,float b,float mix)1814 static inline float mix(float a, float b, float mix)
1815 {
1816     return a * mix + b * (1.f - mix);
1817 }
1818 
hsb2rgb(const float * c,float * rgb)1819 static void hsb2rgb(const float *c, float *rgb)
1820 {
1821     rgb[0] = av_clipf(fabsf(fmodf(c[0] * 6.f + 0.f, 6.f) - 3.f) - 1.f, 0.f, 1.f);
1822     rgb[1] = av_clipf(fabsf(fmodf(c[0] * 6.f + 4.f, 6.f) - 3.f) - 1.f, 0.f, 1.f);
1823     rgb[2] = av_clipf(fabsf(fmodf(c[0] * 6.f + 2.f, 6.f) - 3.f) - 1.f, 0.f, 1.f);
1824     rgb[0] = mix(c[3], (rgb[0] * rgb[0] * (3.f - 2.f * rgb[0])), c[1]) * c[2];
1825     rgb[1] = mix(c[3], (rgb[1] * rgb[1] * (3.f - 2.f * rgb[1])), c[1]) * c[2];
1826     rgb[2] = mix(c[3], (rgb[2] * rgb[2] * (3.f - 2.f * rgb[2])), c[1]) * c[2];
1827 }
1828 
colorspectrum_fill_picture(AVFilterContext * ctx,AVFrame * frame)1829 static void colorspectrum_fill_picture(AVFilterContext *ctx, AVFrame *frame)
1830 {
1831     TestSourceContext *test = ctx->priv;
1832     const float w = frame->width - 1.f;
1833     const float h = frame->height - 1.f;
1834     float c[4];
1835 
1836     for (int y = 0; y < frame->height; y++) {
1837         float *r = (float *)(frame->data[2] + y * frame->linesize[2]);
1838         float *g = (float *)(frame->data[0] + y * frame->linesize[0]);
1839         float *b = (float *)(frame->data[1] + y * frame->linesize[1]);
1840         const float yh = y / h;
1841 
1842         c[1] = test->type == 2 ? yh > 0.5f ? 2.f * (yh - 0.5f) : 1.f - 2.f * yh : test->type == 1 ? 1.f - yh : yh;
1843         c[2] = 1.f;
1844         c[3] = test->type == 1 ? 1.f : test->type == 2 ? (yh > 0.5f ? 0.f : 1.f): 0.f;
1845         for (int x = 0; x < frame->width; x++) {
1846             float rgb[3];
1847 
1848             c[0] = x / w;
1849             hsb2rgb(c, rgb);
1850 
1851             r[x] = rgb[0];
1852             g[x] = rgb[1];
1853             b[x] = rgb[2];
1854         }
1855     }
1856 }
1857 
colorspectrum_init(AVFilterContext * ctx)1858 static av_cold int colorspectrum_init(AVFilterContext *ctx)
1859 {
1860     TestSourceContext *test = ctx->priv;
1861 
1862     test->draw_once = 1;
1863     test->fill_picture_fn = colorspectrum_fill_picture;
1864     return init(ctx);
1865 }
1866 
1867 static const AVFilterPad avfilter_vsrc_colorspectrum_outputs[] = {
1868     {
1869         .name          = "default",
1870         .type          = AVMEDIA_TYPE_VIDEO,
1871         .config_props  = config_props,
1872     },
1873 };
1874 
1875 const AVFilter ff_vsrc_colorspectrum = {
1876     .name          = "colorspectrum",
1877     .description   = NULL_IF_CONFIG_SMALL("Generate colors spectrum."),
1878     .priv_size     = sizeof(TestSourceContext),
1879     .priv_class    = &colorspectrum_class,
1880     .init          = colorspectrum_init,
1881     .uninit        = uninit,
1882     .activate      = activate,
1883     .inputs        = NULL,
1884     FILTER_OUTPUTS(avfilter_vsrc_colorspectrum_outputs),
1885     FILTER_SINGLE_PIXFMT(AV_PIX_FMT_GBRPF32),
1886 };
1887 
1888 #endif /* CONFIG_COLORSPECTRUM_FILTER */
1889 
1890 #if CONFIG_COLORCHART_FILTER
1891 
1892 static const AVOption colorchart_options[] = {
1893     COMMON_OPTIONS_NOSIZE
1894     { "patch_size", "set the single patch size", OFFSET(pw), AV_OPT_TYPE_IMAGE_SIZE, {.str="64x64"}, 0, 0, FLAGS },
1895     { "preset", "set the color checker chart preset", OFFSET(type), AV_OPT_TYPE_INT,  {.i64=0}, 0, 1, FLAGS, "preset" },
1896     { "reference",  "reference", 0, AV_OPT_TYPE_CONST,{.i64=0}, 0, 0, FLAGS, "preset" },
1897     { "skintones",  "skintones", 0, AV_OPT_TYPE_CONST,{.i64=1}, 0, 0, FLAGS, "preset" },
1898     { NULL }
1899 };
1900 
1901 AVFILTER_DEFINE_CLASS(colorchart);
1902 
1903 static const uint8_t reference_colors[][3] = {
1904     { 115,  82,  68 }, // dark skin
1905     { 194, 150, 130 }, // light skin
1906     {  98, 122, 157 }, // blue sky
1907     {  87, 108,  67 }, // foliage
1908     { 133, 128, 177 }, // blue flower
1909     { 103, 189, 170 }, // bluish green
1910 
1911     { 214, 126,  44 }, // orange
1912     {  80,  91, 166 }, // purple red
1913     { 193,  90,  99 }, // moderate red
1914     {  94,  60, 108 }, // purple
1915     { 157, 188,  64 }, // yellow green
1916     { 224, 163,  46 }, // orange yellow
1917 
1918     {  56,  61, 150 }, // blue
1919     {  70, 148,  73 }, // green
1920     { 175,  54,  60 }, // red
1921     { 231, 199,  31 }, // yellow
1922     { 187,  86, 149 }, // magenta
1923     {   8, 133, 161 }, // cyan
1924 
1925     { 243, 243, 242 }, // white
1926     { 200, 200, 200 }, // neutral 8
1927     { 160, 160, 160 }, // neutral 65
1928     { 122, 122, 121 }, // neutral 5
1929     {  85,  85,  85 }, // neutral 35
1930     {  52,  52,  52 }, // black
1931 };
1932 
1933 static const uint8_t skintones_colors[][3] = {
1934     {  54,  38,  43 },
1935     { 105,  43,  42 },
1936     { 147,  43,  43 },
1937     {  77,  41,  42 },
1938     { 134,  43,  41 },
1939     { 201, 134, 118 },
1940 
1941     {  59,  41,  41 },
1942     { 192, 103,  76 },
1943     { 208, 156, 141 },
1944     { 152,  82,  61 },
1945     { 162, 132, 118 },
1946     { 212, 171, 150 },
1947 
1948     { 205,  91,  31 },
1949     { 164, 100,  55 },
1950     { 204, 136,  95 },
1951     { 178, 142, 116 },
1952     { 210, 152, 108 },
1953     { 217, 167, 131 },
1954 
1955     { 206, 166, 126 },
1956     { 208, 163,  97 },
1957     { 245, 180,   0 },
1958     { 212, 184, 125 },
1959     { 179, 165, 150 },
1960     { 196, 184, 105 },
1961 };
1962 
1963 typedef struct ColorChartPreset {
1964     int w, h;
1965     const uint8_t (*colors)[3];
1966 } ColorChartPreset;
1967 
1968 static const ColorChartPreset colorchart_presets[] = {
1969     { 6, 4, reference_colors, },
1970     { 6, 4, skintones_colors, },
1971 };
1972 
colorchart_config_props(AVFilterLink * inlink)1973 static int colorchart_config_props(AVFilterLink *inlink)
1974 {
1975     AVFilterContext *ctx = inlink->src;
1976     TestSourceContext *s = ctx->priv;
1977 
1978     av_assert0(ff_draw_init(&s->draw, inlink->format, 0) >= 0);
1979     if (av_image_check_size(s->w, s->h, 0, ctx) < 0)
1980         return AVERROR(EINVAL);
1981     return config_props(inlink);
1982 }
1983 
colorchart_fill_picture(AVFilterContext * ctx,AVFrame * frame)1984 static void colorchart_fill_picture(AVFilterContext *ctx, AVFrame *frame)
1985 {
1986     TestSourceContext *test = ctx->priv;
1987     const int preset = test->type;
1988     const int w = colorchart_presets[preset].w;
1989     const int h = colorchart_presets[preset].h;
1990     const int pw = test->pw;
1991     const int ph = test->pw;
1992 
1993     for (int y = 0; y < h; y++) {
1994         for (int x = 0; x < w; x++) {
1995             uint32_t pc = AV_RB24(colorchart_presets[preset].colors[y * w + x]);
1996             FFDrawColor color;
1997 
1998             set_color(test, &color, pc);
1999             ff_fill_rectangle(&test->draw, &color, frame->data, frame->linesize,
2000                               x * pw, y * ph, pw, ph);
2001         }
2002     }
2003 }
2004 
colorchart_init(AVFilterContext * ctx)2005 static av_cold int colorchart_init(AVFilterContext *ctx)
2006 {
2007     TestSourceContext *test = ctx->priv;
2008     const int preset = test->type;
2009     const int w = colorchart_presets[preset].w;
2010     const int h = colorchart_presets[preset].h;
2011 
2012     test->w = w * test->pw;
2013     test->h = h * test->ph;
2014     test->draw_once = 1;
2015     test->fill_picture_fn = colorchart_fill_picture;
2016     return init(ctx);
2017 }
2018 
2019 static const AVFilterPad avfilter_vsrc_colorchart_outputs[] = {
2020     {
2021         .name          = "default",
2022         .type          = AVMEDIA_TYPE_VIDEO,
2023         .config_props  = colorchart_config_props,
2024     },
2025 };
2026 
2027 const AVFilter ff_vsrc_colorchart = {
2028     .name          = "colorchart",
2029     .description   = NULL_IF_CONFIG_SMALL("Generate color checker chart."),
2030     .priv_size     = sizeof(TestSourceContext),
2031     .priv_class    = &colorchart_class,
2032     .init          = colorchart_init,
2033     .uninit        = uninit,
2034     .activate      = activate,
2035     .inputs        = NULL,
2036     FILTER_OUTPUTS(avfilter_vsrc_colorchart_outputs),
2037     FILTER_SINGLE_PIXFMT(AV_PIX_FMT_GBRP),
2038 };
2039 
2040 #endif /* CONFIG_COLORCHART_FILTER */
2041