git.sesse.net Git - ffmpeg/blob - libavfilter/vf_selectivecolor.c

   1 /*
   2  * Copyright (c) 2015-2016 Clément Bœsch <u pkh me>
   3  *
   4  * This file is part of FFmpeg.
   5  *
   6  * FFmpeg is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * FFmpeg is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with FFmpeg; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 /**
  22  * @todo
  23  * - use integers so it can be made bitexact and a FATE test can be added
  24  */
  25
  26 #include "libavutil/avassert.h"
  27 #include "libavutil/file.h"
  28 #include "libavutil/intreadwrite.h"
  29 #include "libavutil/opt.h"
  30 #include "libavutil/pixdesc.h"
  31 #include "avfilter.h"
  32 #include "drawutils.h"
  33 #include "formats.h"
  34 #include "internal.h"
  35 #include "video.h"
  36
  37 #define R 0
  38 #define G 1
  39 #define B 2
  40 #define A 3
  41
  42 enum color_range {
  43     // WARNING: do NOT reorder (see parse_psfile())
  44     RANGE_REDS,
  45     RANGE_YELLOWS,
  46     RANGE_GREENS,
  47     RANGE_CYANS,
  48     RANGE_BLUES,
  49     RANGE_MAGENTAS,
  50     RANGE_WHITES,
  51     RANGE_NEUTRALS,
  52     RANGE_BLACKS,
  53     NB_RANGES
  54 };
  55
  56 enum correction_method {
  57     CORRECTION_METHOD_ABSOLUTE,
  58     CORRECTION_METHOD_RELATIVE,
  59     NB_CORRECTION_METHODS,
  60 };
  61
  62 static const char *color_names[NB_RANGES] = {
  63     "red", "yellow", "green", "cyan", "blue", "magenta", "white", "neutral", "black"
  64 };
  65
  66 typedef int (*get_adjust_range_func)(int r, int g, int b, int min_val, int max_val);
  67
  68 struct process_range {
  69     int range_id;
  70     uint32_t mask;
  71     get_adjust_range_func get_adjust_range;
  72 };
  73
  74 typedef struct ThreadData {
  75     AVFrame *in, *out;
  76 } ThreadData;
  77
  78 typedef struct {
  79     const AVClass *class;
  80     int correction_method;
  81     char *opt_cmyk_adjust[NB_RANGES];
  82     float cmyk_adjust[NB_RANGES][4];
  83     struct process_range process_ranges[NB_RANGES]; // color ranges to process
  84     int nb_process_ranges;
  85     char *psfile;
  86     uint8_t rgba_map[4];
  87     int is_16bit;
  88     int step;
  89 } SelectiveColorContext;
  90
  91 #define OFFSET(x) offsetof(SelectiveColorContext, x)
  92 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
  93 #define RANGE_OPTION(color_name, range) \
  94     { color_name"s", "adjust "color_name" regions", OFFSET(opt_cmyk_adjust[range]), AV_OPT_TYPE_STRING, {.str=NULL}, CHAR_MIN, CHAR_MAX, FLAGS }
  95
  96 static const AVOption selectivecolor_options[] = {
  97     { "correction_method", "select correction method", OFFSET(correction_method), AV_OPT_TYPE_INT, {.i64 = CORRECTION_METHOD_ABSOLUTE}, 0, NB_CORRECTION_METHODS-1, FLAGS, "correction_method" },
  98         { "absolute", NULL, 0, AV_OPT_TYPE_CONST, {.i64=CORRECTION_METHOD_ABSOLUTE}, INT_MIN, INT_MAX, FLAGS, "correction_method" },
  99         { "relative", NULL, 0, AV_OPT_TYPE_CONST, {.i64=CORRECTION_METHOD_RELATIVE}, INT_MIN, INT_MAX, FLAGS, "correction_method" },
 100     RANGE_OPTION("red",     RANGE_REDS),
 101     RANGE_OPTION("yellow",  RANGE_YELLOWS),
 102     RANGE_OPTION("green",   RANGE_GREENS),
 103     RANGE_OPTION("cyan",    RANGE_CYANS),
 104     RANGE_OPTION("blue",    RANGE_BLUES),
 105     RANGE_OPTION("magenta", RANGE_MAGENTAS),
 106     RANGE_OPTION("white",   RANGE_WHITES),
 107     RANGE_OPTION("neutral", RANGE_NEUTRALS),
 108     RANGE_OPTION("black",   RANGE_BLACKS),
 109     { "psfile", "set Photoshop selectivecolor file name", OFFSET(psfile), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = FLAGS },
 110     { NULL }
 111 };
 112
 113 AVFILTER_DEFINE_CLASS(selectivecolor);
 114
 115 static inline int get_mid_val(int r, int g, int b)
 116 {
 117     if ((r < g && r > b) || (r < b && r > g)) return r;
 118     if ((g < r && g > b) || (g < b && g > r)) return g;
 119     if ((b < r && b > g) || (b < g && b > r)) return b;
 120     return -1;
 121 }
 122
 123 static int get_rgb_adjust_range(int r, int g, int b, int min_val, int max_val)
 124 {
 125     // max - mid
 126     const int mid_val = get_mid_val(r, g, b);
 127     if (mid_val == -1) {
 128         // XXX: can be simplified
 129         if ((r != min_val && g == min_val && b == min_val) ||
 130             (r == min_val && g != min_val && b == min_val) ||
 131             (r == min_val && g == min_val && b != min_val))
 132             return max_val - min_val;
 133         return 0;
 134     }
 135     return max_val - mid_val;
 136 }
 137
 138 static int get_cmy_adjust_range(int r, int g, int b, int min_val, int max_val)
 139 {
 140     // mid - min
 141     const int mid_val = get_mid_val(r, g, b);
 142     if (mid_val == -1) {
 143         // XXX: refactor with rgb
 144         if ((r != max_val && g == max_val && b == max_val) ||
 145             (r == max_val && g != max_val && b == max_val) ||
 146             (r == max_val && g == max_val && b != max_val))
 147             return max_val - min_val;
 148         return 0;
 149     }
 150     return mid_val - min_val;
 151 }
 152
 153 #define DECLARE_ADJUST_RANGE_FUNCS(nbits)                                                   \
 154 static int get_neutrals_adjust_range##nbits(int r, int g, int b, int min_val, int max_val)  \
 155 {                                                                                           \
 156     /* 1 - (|max-0.5| + |min-0.5|) */                                                       \
 157     return (((1<<nbits)-1)*2 - (  abs((max_val<<1) - ((1<<nbits)-1))                        \
 158                                 + abs((min_val<<1) - ((1<<nbits)-1))) + 1) >> 1;            \
 159 }                                                                                           \
 160                                                                                             \
 161 static int get_whites_adjust_range##nbits(int r, int g, int b, int min_val, int max_val)    \
 162 {                                                                                           \
 163     /* (min - 0.5) * 2 */                                                                   \
 164     return (min_val<<1) - ((1<<nbits)-1);                                                   \
 165 }                                                                                           \
 166                                                                                             \
 167 static int get_blacks_adjust_range##nbits(int r, int g, int b, int min_val, int max_val)    \
 168 {                                                                                           \
 169     /* (0.5 - max) * 2 */                                                                   \
 170     return ((1<<nbits)-1) - (max_val<<1);                                                   \
 171 }                                                                                           \
 172
 173 DECLARE_ADJUST_RANGE_FUNCS(8)
 174 DECLARE_ADJUST_RANGE_FUNCS(16)
 175
 176 static int register_range(SelectiveColorContext *s, int range_id)
 177 {
 178     const float *cmyk = s->cmyk_adjust[range_id];
 179
 180     /* If the color range has user settings, register the color range
 181      * as "to be processed" */
 182     if (cmyk[0] || cmyk[1] || cmyk[2] || cmyk[3]) {
 183         struct process_range *pr = &s->process_ranges[s->nb_process_ranges++];
 184
 185         if (cmyk[0] < -1.0 || cmyk[0] > 1.0 ||
 186             cmyk[1] < -1.0 || cmyk[1] > 1.0 ||
 187             cmyk[2] < -1.0 || cmyk[2] > 1.0 ||
 188             cmyk[3] < -1.0 || cmyk[3] > 1.0) {
 189             av_log(s, AV_LOG_ERROR, "Invalid %s adjustments (%g %g %g %g). "
 190                    "Settings must be set in [-1;1] range\n",
 191                    color_names[range_id], cmyk[0], cmyk[1], cmyk[2], cmyk[3]);
 192             return AVERROR(EINVAL);
 193         }
 194
 195         pr->range_id = range_id;
 196         pr->mask = 1 << range_id;
 197         if      (pr->mask & (1<<RANGE_REDS  | 1<<RANGE_GREENS   | 1<<RANGE_BLUES))   pr->get_adjust_range = get_rgb_adjust_range;
 198         else if (pr->mask & (1<<RANGE_CYANS | 1<<RANGE_MAGENTAS | 1<<RANGE_YELLOWS)) pr->get_adjust_range = get_cmy_adjust_range;
 199         else if (!s->is_16bit && (pr->mask & 1<<RANGE_WHITES))                       pr->get_adjust_range = get_whites_adjust_range8;
 200         else if (!s->is_16bit && (pr->mask & 1<<RANGE_NEUTRALS))                     pr->get_adjust_range = get_neutrals_adjust_range8;
 201         else if (!s->is_16bit && (pr->mask & 1<<RANGE_BLACKS))                       pr->get_adjust_range = get_blacks_adjust_range8;
 202         else if ( s->is_16bit && (pr->mask & 1<<RANGE_WHITES))                       pr->get_adjust_range = get_whites_adjust_range16;
 203         else if ( s->is_16bit && (pr->mask & 1<<RANGE_NEUTRALS))                     pr->get_adjust_range = get_neutrals_adjust_range16;
 204         else if ( s->is_16bit && (pr->mask & 1<<RANGE_BLACKS))                       pr->get_adjust_range = get_blacks_adjust_range16;
 205         else
 206             av_assert0(0);
 207     }
 208     return 0;
 209 }
 210
 211 static int parse_psfile(AVFilterContext *ctx, const char *fname)
 212 {
 213     int16_t val;
 214     int ret, i, version;
 215     uint8_t *buf;
 216     size_t size;
 217     SelectiveColorContext *s = ctx->priv;
 218
 219     ret = av_file_map(fname, &buf, &size, 0, NULL);
 220     if (ret < 0)
 221         return ret;
 222
 223 #define READ16(dst) do {                \
 224     if (size < 2) {                     \
 225         ret = AVERROR_INVALIDDATA;      \
 226         goto end;                       \
 227     }                                   \
 228     dst = AV_RB16(buf);                 \
 229     buf  += 2;                          \
 230     size -= 2;                          \
 231 } while (0)
 232
 233     READ16(version);
 234     if (version != 1)
 235         av_log(s, AV_LOG_WARNING, "Unsupported selective color file version %d, "
 236                "the settings might not be loaded properly\n", version);
 237
 238     READ16(s->correction_method);
 239
 240     // 1st CMYK entry is reserved/unused
 241     for (i = 0; i < FF_ARRAY_ELEMS(s->cmyk_adjust[0]); i++) {
 242         READ16(val);
 243         if (val)
 244             av_log(s, AV_LOG_WARNING, "%c value of first CMYK entry is not 0 "
 245                    "but %d\n", "CMYK"[i], val);
 246     }
 247
 248     for (i = 0; i < FF_ARRAY_ELEMS(s->cmyk_adjust); i++) {
 249         int k;
 250         for (k = 0; k < FF_ARRAY_ELEMS(s->cmyk_adjust[0]); k++) {
 251             READ16(val);
 252             s->cmyk_adjust[i][k] = val / 100.;
 253         }
 254         ret = register_range(s, i);
 255         if (ret < 0)
 256             goto end;
 257     }
 258
 259 end:
 260     av_file_unmap(buf, size);
 261     return ret;
 262 }
 263
 264 static int config_input(AVFilterLink *inlink)
 265 {
 266     int i, ret;
 267     AVFilterContext *ctx = inlink->dst;
 268     SelectiveColorContext *s = ctx->priv;
 269     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
 270
 271     s->is_16bit = desc->comp[0].depth > 8;
 272     s->step = av_get_padded_bits_per_pixel(desc) >> (3 + s->is_16bit);
 273
 274     ret = ff_fill_rgba_map(s->rgba_map, inlink->format);
 275     if (ret < 0)
 276         return ret;
 277
 278     /* If the following conditions are not met, it will cause trouble while
 279      * parsing the PS file */
 280     av_assert0(FF_ARRAY_ELEMS(s->cmyk_adjust) == 10 - 1);
 281     av_assert0(FF_ARRAY_ELEMS(s->cmyk_adjust[0]) == 4);
 282
 283     if (s->psfile) {
 284         ret = parse_psfile(ctx, s->psfile);
 285         if (ret < 0)
 286             return ret;
 287     } else {
 288         for (i = 0; i < FF_ARRAY_ELEMS(s->opt_cmyk_adjust); i++) {
 289             const char *opt_cmyk_adjust = s->opt_cmyk_adjust[i];
 290
 291             if (opt_cmyk_adjust) {
 292                 float *cmyk = s->cmyk_adjust[i];
 293
 294                 sscanf(s->opt_cmyk_adjust[i], "%f %f %f %f", cmyk, cmyk+1, cmyk+2, cmyk+3);
 295                 ret = register_range(s, i);
 296                 if (ret < 0)
 297                     return ret;
 298             }
 299         }
 300     }
 301
 302     av_log(s, AV_LOG_VERBOSE, "Adjustments:%s\n", s->nb_process_ranges ? "" : " none");
 303     for (i = 0; i < s->nb_process_ranges; i++) {
 304         const struct process_range *pr = &s->process_ranges[i];
 305         const float *cmyk = s->cmyk_adjust[pr->range_id];
 306
 307         av_log(s, AV_LOG_VERBOSE, "%8ss: C=%6g M=%6g Y=%6g K=%6g\n",
 308                color_names[pr->range_id], cmyk[0], cmyk[1], cmyk[2], cmyk[3]);
 309     }
 310
 311     return 0;
 312 }
 313
 314 static int query_formats(AVFilterContext *ctx)
 315 {
 316     static const enum AVPixelFormat pix_fmts[] = {
 317         AV_PIX_FMT_RGB24,  AV_PIX_FMT_BGR24,
 318         AV_PIX_FMT_RGBA,   AV_PIX_FMT_BGRA,
 319         AV_PIX_FMT_ARGB,   AV_PIX_FMT_ABGR,
 320         AV_PIX_FMT_0RGB,   AV_PIX_FMT_0BGR,
 321         AV_PIX_FMT_RGB0,   AV_PIX_FMT_BGR0,
 322         AV_PIX_FMT_RGB48,  AV_PIX_FMT_BGR48,
 323         AV_PIX_FMT_RGBA64, AV_PIX_FMT_BGRA64,
 324         AV_PIX_FMT_NONE
 325     };
 326     AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
 327     if (!fmts_list)
 328         return AVERROR(ENOMEM);
 329     return ff_set_common_formats(ctx, fmts_list);
 330 }
 331
 332 static inline int comp_adjust(int adjust_range, float value, float adjust, float k, int correction_method)
 333 {
 334     const float min = -value;
 335     const float max = 1. - value;
 336     float res = (-1. - adjust) * k - adjust;
 337     if (correction_method == CORRECTION_METHOD_RELATIVE)
 338         res *= max;
 339     return lrint(av_clipf(res, min, max) * adjust_range);
 340 }
 341
 342 #define DECLARE_SELECTIVE_COLOR_FUNC(nbits)                                                             \
 343 static inline int selective_color_##nbits(AVFilterContext *ctx, ThreadData *td,                         \
 344                                           int jobnr, int nb_jobs, int direct, int correction_method)    \
 345 {                                                                                                       \
 346     int i, x, y;                                                                                        \
 347     const AVFrame *in = td->in;                                                                         \
 348     AVFrame *out = td->out;                                                                             \
 349     const SelectiveColorContext *s = ctx->priv;                                                         \
 350     const int height = in->height;                                                                      \
 351     const int width  = in->width;                                                                       \
 352     const int slice_start = (height *  jobnr   ) / nb_jobs;                                             \
 353     const int slice_end   = (height * (jobnr+1)) / nb_jobs;                                             \
 354     const int dst_linesize = out->linesize[0];                                                          \
 355     const int src_linesize =  in->linesize[0];                                                          \
 356     const uint8_t roffset = s->rgba_map[R];                                                             \
 357     const uint8_t goffset = s->rgba_map[G];                                                             \
 358     const uint8_t boffset = s->rgba_map[B];                                                             \
 359     const uint8_t aoffset = s->rgba_map[A];                                                             \
 360                                                                                                         \
 361     for (y = slice_start; y < slice_end; y++) {                                                         \
 362         uint##nbits##_t       *dst = (      uint##nbits##_t *)(out->data[0] + y * dst_linesize);        \
 363         const uint##nbits##_t *src = (const uint##nbits##_t *)( in->data[0] + y * src_linesize);        \
 364                                                                                                         \
 365         for (x = 0; x < width * s->step; x += s->step) {                                                \
 366             const int r = src[x + roffset];                                                             \
 367             const int g = src[x + goffset];                                                             \
 368             const int b = src[x + boffset];                                                             \
 369             const int min_color = FFMIN3(r, g, b);                                                      \
 370             const int max_color = FFMAX3(r, g, b);                                                      \
 371             const int is_white   = (r > 1<<(nbits-1) && g > 1<<(nbits-1) && b > 1<<(nbits-1));          \
 372             const int is_neutral = (r || g || b) &&                                                     \
 373                                    r != (1<<nbits)-1 && g != (1<<nbits)-1 && b != (1<<nbits)-1;         \
 374             const int is_black   = (r < 1<<(nbits-1) && g < 1<<(nbits-1) && b < 1<<(nbits-1));          \
 375             const uint32_t range_flag = (r == max_color) << RANGE_REDS                                  \
 376                                       | (r == min_color) << RANGE_CYANS                                 \
 377                                       | (g == max_color) << RANGE_GREENS                                \
 378                                       | (g == min_color) << RANGE_MAGENTAS                              \
 379                                       | (b == max_color) << RANGE_BLUES                                 \
 380                                       | (b == min_color) << RANGE_YELLOWS                               \
 381                                       | is_white         << RANGE_WHITES                                \
 382                                       | is_neutral       << RANGE_NEUTRALS                              \
 383                                       | is_black         << RANGE_BLACKS;                               \
 384                                                                                                         \
 385             const float rnorm = r * (1.f / ((1<<nbits)-1));                                             \
 386             const float gnorm = g * (1.f / ((1<<nbits)-1));                                             \
 387             const float bnorm = b * (1.f / ((1<<nbits)-1));                                             \
 388             int adjust_r = 0, adjust_g = 0, adjust_b = 0;                                               \
 389                                                                                                         \
 390             for (i = 0; i < s->nb_process_ranges; i++) {                                                \
 391                 const struct process_range *pr = &s->process_ranges[i];                                 \
 392                                                                                                         \
 393                 if (range_flag & pr->mask) {                                                            \
 394                     const int adjust_range = pr->get_adjust_range(r, g, b, min_color, max_color);       \
 395                                                                                                         \
 396                     if (adjust_range > 0) {                                                             \
 397                         const float *cmyk_adjust = s->cmyk_adjust[pr->range_id];                        \
 398                         const float adj_c = cmyk_adjust[0];                                             \
 399                         const float adj_m = cmyk_adjust[1];                                             \
 400                         const float adj_y = cmyk_adjust[2];                                             \
 401                         const float k = cmyk_adjust[3];                                                 \
 402                                                                                                         \
 403                         adjust_r += comp_adjust(adjust_range, rnorm, adj_c, k, correction_method);      \
 404                         adjust_g += comp_adjust(adjust_range, gnorm, adj_m, k, correction_method);      \
 405                         adjust_b += comp_adjust(adjust_range, bnorm, adj_y, k, correction_method);      \
 406                     }                                                                                   \
 407                 }                                                                                       \
 408             }                                                                                           \
 409                                                                                                         \
 410             if (!direct || adjust_r || adjust_g || adjust_b) {                                          \
 411                 dst[x + roffset] = av_clip_uint##nbits(r + adjust_r);                                   \
 412                 dst[x + goffset] = av_clip_uint##nbits(g + adjust_g);                                   \
 413                 dst[x + boffset] = av_clip_uint##nbits(b + adjust_b);                                   \
 414                 if (!direct && s->step == 4)                                                            \
 415                     dst[x + aoffset] = src[x + aoffset];                                                \
 416             }                                                                                           \
 417         }                                                                                               \
 418     }                                                                                                   \
 419     return 0;                                                                                           \
 420 }
 421
 422 #define DEF_SELECTIVE_COLOR_FUNC(name, direct, correction_method, nbits)                                \
 423 static int selective_color_##name##_##nbits(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)    \
 424 {                                                                                                       \
 425     return selective_color_##nbits(ctx, arg, jobnr, nb_jobs, direct, correction_method);                \
 426 }
 427
 428 #define DEF_SELECTIVE_COLOR_FUNCS(nbits)                                                                \
 429 DECLARE_SELECTIVE_COLOR_FUNC(nbits)                                                                     \
 430 DEF_SELECTIVE_COLOR_FUNC(indirect_absolute, 0, CORRECTION_METHOD_ABSOLUTE, nbits)                       \
 431 DEF_SELECTIVE_COLOR_FUNC(indirect_relative, 0, CORRECTION_METHOD_RELATIVE, nbits)                       \
 432 DEF_SELECTIVE_COLOR_FUNC(  direct_absolute, 1, CORRECTION_METHOD_ABSOLUTE, nbits)                       \
 433 DEF_SELECTIVE_COLOR_FUNC(  direct_relative, 1, CORRECTION_METHOD_RELATIVE, nbits)
 434
 435 DEF_SELECTIVE_COLOR_FUNCS(8)
 436 DEF_SELECTIVE_COLOR_FUNCS(16)
 437
 438 typedef int (*selective_color_func_type)(AVFilterContext *ctx, void *td, int jobnr, int nb_jobs);
 439
 440 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
 441 {
 442     AVFilterContext *ctx = inlink->dst;
 443     AVFilterLink *outlink = ctx->outputs[0];
 444     int direct;
 445     AVFrame *out;
 446     ThreadData td;
 447     const SelectiveColorContext *s = ctx->priv;
 448     static const selective_color_func_type funcs[2][2][2] = {
 449         {
 450             {selective_color_indirect_absolute_8, selective_color_indirect_relative_8},
 451             {selective_color_direct_absolute_8,   selective_color_direct_relative_8},
 452         },{
 453             {selective_color_indirect_absolute_16, selective_color_indirect_relative_16},
 454             {selective_color_direct_absolute_16,   selective_color_direct_relative_16},
 455         }
 456     };
 457
 458     if (av_frame_is_writable(in)) {
 459         direct = 1;
 460         out = in;
 461     } else {
 462         direct = 0;
 463         out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
 464         if (!out) {
 465             av_frame_free(&in);
 466             return AVERROR(ENOMEM);
 467         }
 468         av_frame_copy_props(out, in);
 469     }
 470
 471     td.in = in;
 472     td.out = out;
 473     ctx->internal->execute(ctx, funcs[s->is_16bit][direct][s->correction_method],
 474                            &td, NULL, FFMIN(inlink->h, ff_filter_get_nb_threads(ctx)));
 475
 476     if (!direct)
 477         av_frame_free(&in);
 478     return ff_filter_frame(outlink, out);
 479 }
 480
 481 static const AVFilterPad selectivecolor_inputs[] = {
 482     {
 483         .name         = "default",
 484         .type         = AVMEDIA_TYPE_VIDEO,
 485         .filter_frame = filter_frame,
 486         .config_props = config_input,
 487     },
 488     { NULL }
 489 };
 490
 491 static const AVFilterPad selectivecolor_outputs[] = {
 492     {
 493         .name = "default",
 494         .type = AVMEDIA_TYPE_VIDEO,
 495     },
 496     { NULL }
 497 };
 498
 499 AVFilter ff_vf_selectivecolor = {
 500     .name          = "selectivecolor",
 501     .description   = NULL_IF_CONFIG_SMALL("Apply CMYK adjustments to specific color ranges."),
 502     .priv_size     = sizeof(SelectiveColorContext),
 503     .query_formats = query_formats,
 504     .inputs        = selectivecolor_inputs,
 505     .outputs       = selectivecolor_outputs,
 506     .priv_class    = &selectivecolor_class,
 507     .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
 508 };