LCOV - code coverage report
Current view: top level - libavfilter - vf_selectivecolor.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 115 0.0 %
Date: 2017-12-10 21:22:29 Functions: 0 24 0.0 %

          Line data    Source code
       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             :  * @see http://blog.pkh.me/p/22-understanding-selective-coloring-in-adobe-photoshop.html
      23             :  * @todo
      24             :  * - use integers so it can be made bitexact and a FATE test can be added
      25             :  */
      26             : 
      27             : #include "libavutil/avassert.h"
      28             : #include "libavutil/file.h"
      29             : #include "libavutil/intreadwrite.h"
      30             : #include "libavutil/opt.h"
      31             : #include "libavutil/pixdesc.h"
      32             : #include "libavcodec/mathops.h" // for mid_pred(), which is a macro so no link dependency
      33             : #include "avfilter.h"
      34             : #include "drawutils.h"
      35             : #include "formats.h"
      36             : #include "internal.h"
      37             : #include "video.h"
      38             : 
      39             : #define R 0
      40             : #define G 1
      41             : #define B 2
      42             : #define A 3
      43             : 
      44             : enum color_range {
      45             :     // WARNING: do NOT reorder (see parse_psfile())
      46             :     RANGE_REDS,
      47             :     RANGE_YELLOWS,
      48             :     RANGE_GREENS,
      49             :     RANGE_CYANS,
      50             :     RANGE_BLUES,
      51             :     RANGE_MAGENTAS,
      52             :     RANGE_WHITES,
      53             :     RANGE_NEUTRALS,
      54             :     RANGE_BLACKS,
      55             :     NB_RANGES
      56             : };
      57             : 
      58             : enum correction_method {
      59             :     CORRECTION_METHOD_ABSOLUTE,
      60             :     CORRECTION_METHOD_RELATIVE,
      61             :     NB_CORRECTION_METHODS,
      62             : };
      63             : 
      64             : static const char *color_names[NB_RANGES] = {
      65             :     "red", "yellow", "green", "cyan", "blue", "magenta", "white", "neutral", "black"
      66             : };
      67             : 
      68             : typedef int (*get_range_scale_func)(int r, int g, int b, int min_val, int max_val);
      69             : 
      70             : struct process_range {
      71             :     int range_id;
      72             :     uint32_t mask;
      73             :     get_range_scale_func get_scale;
      74             : };
      75             : 
      76             : typedef struct ThreadData {
      77             :     AVFrame *in, *out;
      78             : } ThreadData;
      79             : 
      80             : typedef struct SelectiveColorContext {
      81             :     const AVClass *class;
      82             :     int correction_method;
      83             :     char *opt_cmyk_adjust[NB_RANGES];
      84             :     float cmyk_adjust[NB_RANGES][4];
      85             :     struct process_range process_ranges[NB_RANGES]; // color ranges to process
      86             :     int nb_process_ranges;
      87             :     char *psfile;
      88             :     uint8_t rgba_map[4];
      89             :     int is_16bit;
      90             :     int step;
      91             : } SelectiveColorContext;
      92             : 
      93             : #define OFFSET(x) offsetof(SelectiveColorContext, x)
      94             : #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
      95             : #define RANGE_OPTION(color_name, range) \
      96             :     { color_name"s", "adjust "color_name" regions", OFFSET(opt_cmyk_adjust[range]), AV_OPT_TYPE_STRING, {.str=NULL}, CHAR_MIN, CHAR_MAX, FLAGS }
      97             : 
      98             : static const AVOption selectivecolor_options[] = {
      99             :     { "correction_method", "select correction method", OFFSET(correction_method), AV_OPT_TYPE_INT, {.i64 = CORRECTION_METHOD_ABSOLUTE}, 0, NB_CORRECTION_METHODS-1, FLAGS, "correction_method" },
     100             :         { "absolute", NULL, 0, AV_OPT_TYPE_CONST, {.i64=CORRECTION_METHOD_ABSOLUTE}, INT_MIN, INT_MAX, FLAGS, "correction_method" },
     101             :         { "relative", NULL, 0, AV_OPT_TYPE_CONST, {.i64=CORRECTION_METHOD_RELATIVE}, INT_MIN, INT_MAX, FLAGS, "correction_method" },
     102             :     RANGE_OPTION("red",     RANGE_REDS),
     103             :     RANGE_OPTION("yellow",  RANGE_YELLOWS),
     104             :     RANGE_OPTION("green",   RANGE_GREENS),
     105             :     RANGE_OPTION("cyan",    RANGE_CYANS),
     106             :     RANGE_OPTION("blue",    RANGE_BLUES),
     107             :     RANGE_OPTION("magenta", RANGE_MAGENTAS),
     108             :     RANGE_OPTION("white",   RANGE_WHITES),
     109             :     RANGE_OPTION("neutral", RANGE_NEUTRALS),
     110             :     RANGE_OPTION("black",   RANGE_BLACKS),
     111             :     { "psfile", "set Photoshop selectivecolor file name", OFFSET(psfile), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = FLAGS },
     112             :     { NULL }
     113             : };
     114             : 
     115             : AVFILTER_DEFINE_CLASS(selectivecolor);
     116             : 
     117           0 : static int get_rgb_scale(int r, int g, int b, int min_val, int max_val)
     118             : {
     119           0 :     return max_val - mid_pred(r, g, b);
     120             : }
     121             : 
     122           0 : static int get_cmy_scale(int r, int g, int b, int min_val, int max_val)
     123             : {
     124           0 :     return mid_pred(r, g, b) - min_val;
     125             : }
     126             : 
     127             : #define DECLARE_RANGE_SCALE_FUNCS(nbits)                                                    \
     128             : static int get_neutrals_scale##nbits(int r, int g, int b, int min_val, int max_val)         \
     129             : {                                                                                           \
     130             :     /* 1 - (|max-0.5| + |min-0.5|) */                                                       \
     131             :     return (((1<<nbits)-1)*2 - (  abs((max_val<<1) - ((1<<nbits)-1))                        \
     132             :                                 + abs((min_val<<1) - ((1<<nbits)-1))) + 1) >> 1;            \
     133             : }                                                                                           \
     134             :                                                                                             \
     135             : static int get_whites_scale##nbits(int r, int g, int b, int min_val, int max_val)           \
     136             : {                                                                                           \
     137             :     /* (min - 0.5) * 2 */                                                                   \
     138             :     return (min_val<<1) - ((1<<nbits)-1);                                                   \
     139             : }                                                                                           \
     140             :                                                                                             \
     141             : static int get_blacks_scale##nbits(int r, int g, int b, int min_val, int max_val)           \
     142             : {                                                                                           \
     143             :     /* (0.5 - max) * 2 */                                                                   \
     144             :     return ((1<<nbits)-1) - (max_val<<1);                                                   \
     145             : }                                                                                           \
     146             : 
     147           0 : DECLARE_RANGE_SCALE_FUNCS(8)
     148           0 : DECLARE_RANGE_SCALE_FUNCS(16)
     149             : 
     150           0 : static int register_range(SelectiveColorContext *s, int range_id)
     151             : {
     152           0 :     const float *cmyk = s->cmyk_adjust[range_id];
     153             : 
     154             :     /* If the color range has user settings, register the color range
     155             :      * as "to be processed" */
     156           0 :     if (cmyk[0] || cmyk[1] || cmyk[2] || cmyk[3]) {
     157           0 :         struct process_range *pr = &s->process_ranges[s->nb_process_ranges++];
     158             : 
     159           0 :         if (cmyk[0] < -1.0 || cmyk[0] > 1.0 ||
     160           0 :             cmyk[1] < -1.0 || cmyk[1] > 1.0 ||
     161           0 :             cmyk[2] < -1.0 || cmyk[2] > 1.0 ||
     162           0 :             cmyk[3] < -1.0 || cmyk[3] > 1.0) {
     163           0 :             av_log(s, AV_LOG_ERROR, "Invalid %s adjustments (%g %g %g %g). "
     164             :                    "Settings must be set in [-1;1] range\n",
     165           0 :                    color_names[range_id], cmyk[0], cmyk[1], cmyk[2], cmyk[3]);
     166           0 :             return AVERROR(EINVAL);
     167             :         }
     168             : 
     169           0 :         pr->range_id = range_id;
     170           0 :         pr->mask = 1 << range_id;
     171           0 :         if      (pr->mask & (1<<RANGE_REDS  | 1<<RANGE_GREENS   | 1<<RANGE_BLUES))   pr->get_scale = get_rgb_scale;
     172           0 :         else if (pr->mask & (1<<RANGE_CYANS | 1<<RANGE_MAGENTAS | 1<<RANGE_YELLOWS)) pr->get_scale = get_cmy_scale;
     173           0 :         else if (!s->is_16bit && (pr->mask & 1<<RANGE_WHITES))                       pr->get_scale = get_whites_scale8;
     174           0 :         else if (!s->is_16bit && (pr->mask & 1<<RANGE_NEUTRALS))                     pr->get_scale = get_neutrals_scale8;
     175           0 :         else if (!s->is_16bit && (pr->mask & 1<<RANGE_BLACKS))                       pr->get_scale = get_blacks_scale8;
     176           0 :         else if ( s->is_16bit && (pr->mask & 1<<RANGE_WHITES))                       pr->get_scale = get_whites_scale16;
     177           0 :         else if ( s->is_16bit && (pr->mask & 1<<RANGE_NEUTRALS))                     pr->get_scale = get_neutrals_scale16;
     178           0 :         else if ( s->is_16bit && (pr->mask & 1<<RANGE_BLACKS))                       pr->get_scale = get_blacks_scale16;
     179             :         else
     180           0 :             av_assert0(0);
     181             :     }
     182           0 :     return 0;
     183             : }
     184             : 
     185           0 : static int parse_psfile(AVFilterContext *ctx, const char *fname)
     186             : {
     187             :     int16_t val;
     188             :     int ret, i, version;
     189             :     uint8_t *buf;
     190             :     size_t size;
     191           0 :     SelectiveColorContext *s = ctx->priv;
     192             : 
     193           0 :     ret = av_file_map(fname, &buf, &size, 0, NULL);
     194           0 :     if (ret < 0)
     195           0 :         return ret;
     196             : 
     197             : #define READ16(dst) do {                \
     198             :     if (size < 2) {                     \
     199             :         ret = AVERROR_INVALIDDATA;      \
     200             :         goto end;                       \
     201             :     }                                   \
     202             :     dst = AV_RB16(buf);                 \
     203             :     buf  += 2;                          \
     204             :     size -= 2;                          \
     205             : } while (0)
     206             : 
     207           0 :     READ16(version);
     208           0 :     if (version != 1)
     209           0 :         av_log(s, AV_LOG_WARNING, "Unsupported selective color file version %d, "
     210             :                "the settings might not be loaded properly\n", version);
     211             : 
     212           0 :     READ16(s->correction_method);
     213             : 
     214             :     // 1st CMYK entry is reserved/unused
     215           0 :     for (i = 0; i < FF_ARRAY_ELEMS(s->cmyk_adjust[0]); i++) {
     216           0 :         READ16(val);
     217           0 :         if (val)
     218           0 :             av_log(s, AV_LOG_WARNING, "%c value of first CMYK entry is not 0 "
     219           0 :                    "but %d\n", "CMYK"[i], val);
     220             :     }
     221             : 
     222           0 :     for (i = 0; i < FF_ARRAY_ELEMS(s->cmyk_adjust); i++) {
     223             :         int k;
     224           0 :         for (k = 0; k < FF_ARRAY_ELEMS(s->cmyk_adjust[0]); k++) {
     225           0 :             READ16(val);
     226           0 :             s->cmyk_adjust[i][k] = val / 100.;
     227             :         }
     228           0 :         ret = register_range(s, i);
     229           0 :         if (ret < 0)
     230           0 :             goto end;
     231             :     }
     232             : 
     233           0 : end:
     234           0 :     av_file_unmap(buf, size);
     235           0 :     return ret;
     236             : }
     237             : 
     238           0 : static int config_input(AVFilterLink *inlink)
     239             : {
     240             :     int i, ret;
     241           0 :     AVFilterContext *ctx = inlink->dst;
     242           0 :     SelectiveColorContext *s = ctx->priv;
     243           0 :     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
     244             : 
     245           0 :     s->is_16bit = desc->comp[0].depth > 8;
     246           0 :     s->step = av_get_padded_bits_per_pixel(desc) >> (3 + s->is_16bit);
     247             : 
     248           0 :     ret = ff_fill_rgba_map(s->rgba_map, inlink->format);
     249           0 :     if (ret < 0)
     250           0 :         return ret;
     251             : 
     252             :     /* If the following conditions are not met, it will cause trouble while
     253             :      * parsing the PS file */
     254             :     av_assert0(FF_ARRAY_ELEMS(s->cmyk_adjust) == 10 - 1);
     255             :     av_assert0(FF_ARRAY_ELEMS(s->cmyk_adjust[0]) == 4);
     256             : 
     257           0 :     if (s->psfile) {
     258           0 :         ret = parse_psfile(ctx, s->psfile);
     259           0 :         if (ret < 0)
     260           0 :             return ret;
     261             :     } else {
     262           0 :         for (i = 0; i < FF_ARRAY_ELEMS(s->opt_cmyk_adjust); i++) {
     263           0 :             const char *opt_cmyk_adjust = s->opt_cmyk_adjust[i];
     264             : 
     265           0 :             if (opt_cmyk_adjust) {
     266           0 :                 float *cmyk = s->cmyk_adjust[i];
     267             : 
     268           0 :                 sscanf(s->opt_cmyk_adjust[i], "%f %f %f %f", cmyk, cmyk+1, cmyk+2, cmyk+3);
     269           0 :                 ret = register_range(s, i);
     270           0 :                 if (ret < 0)
     271           0 :                     return ret;
     272             :             }
     273             :         }
     274             :     }
     275             : 
     276           0 :     av_log(s, AV_LOG_VERBOSE, "Adjustments:%s\n", s->nb_process_ranges ? "" : " none");
     277           0 :     for (i = 0; i < s->nb_process_ranges; i++) {
     278           0 :         const struct process_range *pr = &s->process_ranges[i];
     279           0 :         const float *cmyk = s->cmyk_adjust[pr->range_id];
     280             : 
     281           0 :         av_log(s, AV_LOG_VERBOSE, "%8ss: C=%6g M=%6g Y=%6g K=%6g\n",
     282           0 :                color_names[pr->range_id], cmyk[0], cmyk[1], cmyk[2], cmyk[3]);
     283             :     }
     284             : 
     285           0 :     return 0;
     286             : }
     287             : 
     288           0 : static int query_formats(AVFilterContext *ctx)
     289             : {
     290             :     static const enum AVPixelFormat pix_fmts[] = {
     291             :         AV_PIX_FMT_RGB24,  AV_PIX_FMT_BGR24,
     292             :         AV_PIX_FMT_RGBA,   AV_PIX_FMT_BGRA,
     293             :         AV_PIX_FMT_ARGB,   AV_PIX_FMT_ABGR,
     294             :         AV_PIX_FMT_0RGB,   AV_PIX_FMT_0BGR,
     295             :         AV_PIX_FMT_RGB0,   AV_PIX_FMT_BGR0,
     296             :         AV_PIX_FMT_RGB48,  AV_PIX_FMT_BGR48,
     297             :         AV_PIX_FMT_RGBA64, AV_PIX_FMT_BGRA64,
     298             :         AV_PIX_FMT_NONE
     299             :     };
     300           0 :     AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
     301           0 :     if (!fmts_list)
     302           0 :         return AVERROR(ENOMEM);
     303           0 :     return ff_set_common_formats(ctx, fmts_list);
     304             : }
     305             : 
     306           0 : static inline int comp_adjust(int scale, float value, float adjust, float k, int correction_method)
     307             : {
     308           0 :     const float min = -value;
     309           0 :     const float max = 1. - value;
     310           0 :     float res = (-1. - adjust) * k - adjust;
     311           0 :     if (correction_method == CORRECTION_METHOD_RELATIVE)
     312           0 :         res *= max;
     313           0 :     return lrint(av_clipf(res, min, max) * scale);
     314             : }
     315             : 
     316             : #define DECLARE_SELECTIVE_COLOR_FUNC(nbits)                                                             \
     317             : static inline int selective_color_##nbits(AVFilterContext *ctx, ThreadData *td,                         \
     318             :                                           int jobnr, int nb_jobs, int direct, int correction_method)    \
     319             : {                                                                                                       \
     320             :     int i, x, y;                                                                                        \
     321             :     const AVFrame *in = td->in;                                                                         \
     322             :     AVFrame *out = td->out;                                                                             \
     323             :     const SelectiveColorContext *s = ctx->priv;                                                         \
     324             :     const int height = in->height;                                                                      \
     325             :     const int width  = in->width;                                                                       \
     326             :     const int slice_start = (height *  jobnr   ) / nb_jobs;                                             \
     327             :     const int slice_end   = (height * (jobnr+1)) / nb_jobs;                                             \
     328             :     const int dst_linesize = out->linesize[0];                                                          \
     329             :     const int src_linesize =  in->linesize[0];                                                          \
     330             :     const uint8_t roffset = s->rgba_map[R];                                                             \
     331             :     const uint8_t goffset = s->rgba_map[G];                                                             \
     332             :     const uint8_t boffset = s->rgba_map[B];                                                             \
     333             :     const uint8_t aoffset = s->rgba_map[A];                                                             \
     334             :                                                                                                         \
     335             :     for (y = slice_start; y < slice_end; y++) {                                                         \
     336             :         uint##nbits##_t       *dst = (      uint##nbits##_t *)(out->data[0] + y * dst_linesize);        \
     337             :         const uint##nbits##_t *src = (const uint##nbits##_t *)( in->data[0] + y * src_linesize);        \
     338             :                                                                                                         \
     339             :         for (x = 0; x < width * s->step; x += s->step) {                                                \
     340             :             const int r = src[x + roffset];                                                             \
     341             :             const int g = src[x + goffset];                                                             \
     342             :             const int b = src[x + boffset];                                                             \
     343             :             const int min_color = FFMIN3(r, g, b);                                                      \
     344             :             const int max_color = FFMAX3(r, g, b);                                                      \
     345             :             const int is_white   = (r > 1<<(nbits-1) && g > 1<<(nbits-1) && b > 1<<(nbits-1));          \
     346             :             const int is_neutral = (r || g || b) &&                                                     \
     347             :                                    r != (1<<nbits)-1 && g != (1<<nbits)-1 && b != (1<<nbits)-1;         \
     348             :             const int is_black   = (r < 1<<(nbits-1) && g < 1<<(nbits-1) && b < 1<<(nbits-1));          \
     349             :             const uint32_t range_flag = (r == max_color) << RANGE_REDS                                  \
     350             :                                       | (r == min_color) << RANGE_CYANS                                 \
     351             :                                       | (g == max_color) << RANGE_GREENS                                \
     352             :                                       | (g == min_color) << RANGE_MAGENTAS                              \
     353             :                                       | (b == max_color) << RANGE_BLUES                                 \
     354             :                                       | (b == min_color) << RANGE_YELLOWS                               \
     355             :                                       | is_white         << RANGE_WHITES                                \
     356             :                                       | is_neutral       << RANGE_NEUTRALS                              \
     357             :                                       | is_black         << RANGE_BLACKS;                               \
     358             :                                                                                                         \
     359             :             const float rnorm = r * (1.f / ((1<<nbits)-1));                                             \
     360             :             const float gnorm = g * (1.f / ((1<<nbits)-1));                                             \
     361             :             const float bnorm = b * (1.f / ((1<<nbits)-1));                                             \
     362             :             int adjust_r = 0, adjust_g = 0, adjust_b = 0;                                               \
     363             :                                                                                                         \
     364             :             for (i = 0; i < s->nb_process_ranges; i++) {                                                \
     365             :                 const struct process_range *pr = &s->process_ranges[i];                                 \
     366             :                                                                                                         \
     367             :                 if (range_flag & pr->mask) {                                                            \
     368             :                     const int scale = pr->get_scale(r, g, b, min_color, max_color);                     \
     369             :                                                                                                         \
     370             :                     if (scale > 0) {                                                                    \
     371             :                         const float *cmyk_adjust = s->cmyk_adjust[pr->range_id];                        \
     372             :                         const float adj_c = cmyk_adjust[0];                                             \
     373             :                         const float adj_m = cmyk_adjust[1];                                             \
     374             :                         const float adj_y = cmyk_adjust[2];                                             \
     375             :                         const float k = cmyk_adjust[3];                                                 \
     376             :                                                                                                         \
     377             :                         adjust_r += comp_adjust(scale, rnorm, adj_c, k, correction_method);             \
     378             :                         adjust_g += comp_adjust(scale, gnorm, adj_m, k, correction_method);             \
     379             :                         adjust_b += comp_adjust(scale, bnorm, adj_y, k, correction_method);             \
     380             :                     }                                                                                   \
     381             :                 }                                                                                       \
     382             :             }                                                                                           \
     383             :                                                                                                         \
     384             :             if (!direct || adjust_r || adjust_g || adjust_b) {                                          \
     385             :                 dst[x + roffset] = av_clip_uint##nbits(r + adjust_r);                                   \
     386             :                 dst[x + goffset] = av_clip_uint##nbits(g + adjust_g);                                   \
     387             :                 dst[x + boffset] = av_clip_uint##nbits(b + adjust_b);                                   \
     388             :                 if (!direct && s->step == 4)                                                            \
     389             :                     dst[x + aoffset] = src[x + aoffset];                                                \
     390             :             }                                                                                           \
     391             :         }                                                                                               \
     392             :     }                                                                                                   \
     393             :     return 0;                                                                                           \
     394             : }
     395             : 
     396             : #define DEF_SELECTIVE_COLOR_FUNC(name, direct, correction_method, nbits)                                \
     397             : static int selective_color_##name##_##nbits(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)    \
     398             : {                                                                                                       \
     399             :     return selective_color_##nbits(ctx, arg, jobnr, nb_jobs, direct, correction_method);                \
     400             : }
     401             : 
     402             : #define DEF_SELECTIVE_COLOR_FUNCS(nbits)                                                                \
     403             : DECLARE_SELECTIVE_COLOR_FUNC(nbits)                                                                     \
     404             : DEF_SELECTIVE_COLOR_FUNC(indirect_absolute, 0, CORRECTION_METHOD_ABSOLUTE, nbits)                       \
     405             : DEF_SELECTIVE_COLOR_FUNC(indirect_relative, 0, CORRECTION_METHOD_RELATIVE, nbits)                       \
     406             : DEF_SELECTIVE_COLOR_FUNC(  direct_absolute, 1, CORRECTION_METHOD_ABSOLUTE, nbits)                       \
     407             : DEF_SELECTIVE_COLOR_FUNC(  direct_relative, 1, CORRECTION_METHOD_RELATIVE, nbits)
     408             : 
     409           0 : DEF_SELECTIVE_COLOR_FUNCS(8)
     410           0 : DEF_SELECTIVE_COLOR_FUNCS(16)
     411             : 
     412             : typedef int (*selective_color_func_type)(AVFilterContext *ctx, void *td, int jobnr, int nb_jobs);
     413             : 
     414           0 : static int filter_frame(AVFilterLink *inlink, AVFrame *in)
     415             : {
     416           0 :     AVFilterContext *ctx = inlink->dst;
     417           0 :     AVFilterLink *outlink = ctx->outputs[0];
     418             :     int direct;
     419             :     AVFrame *out;
     420             :     ThreadData td;
     421           0 :     const SelectiveColorContext *s = ctx->priv;
     422             :     static const selective_color_func_type funcs[2][2][2] = {
     423             :         {
     424             :             {selective_color_indirect_absolute_8, selective_color_indirect_relative_8},
     425             :             {selective_color_direct_absolute_8,   selective_color_direct_relative_8},
     426             :         },{
     427             :             {selective_color_indirect_absolute_16, selective_color_indirect_relative_16},
     428             :             {selective_color_direct_absolute_16,   selective_color_direct_relative_16},
     429             :         }
     430             :     };
     431             : 
     432           0 :     if (av_frame_is_writable(in)) {
     433           0 :         direct = 1;
     434           0 :         out = in;
     435             :     } else {
     436           0 :         direct = 0;
     437           0 :         out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
     438           0 :         if (!out) {
     439           0 :             av_frame_free(&in);
     440           0 :             return AVERROR(ENOMEM);
     441             :         }
     442           0 :         av_frame_copy_props(out, in);
     443             :     }
     444             : 
     445           0 :     td.in = in;
     446           0 :     td.out = out;
     447           0 :     ctx->internal->execute(ctx, funcs[s->is_16bit][direct][s->correction_method],
     448           0 :                            &td, NULL, FFMIN(inlink->h, ff_filter_get_nb_threads(ctx)));
     449             : 
     450           0 :     if (!direct)
     451           0 :         av_frame_free(&in);
     452           0 :     return ff_filter_frame(outlink, out);
     453             : }
     454             : 
     455             : static const AVFilterPad selectivecolor_inputs[] = {
     456             :     {
     457             :         .name         = "default",
     458             :         .type         = AVMEDIA_TYPE_VIDEO,
     459             :         .filter_frame = filter_frame,
     460             :         .config_props = config_input,
     461             :     },
     462             :     { NULL }
     463             : };
     464             : 
     465             : static const AVFilterPad selectivecolor_outputs[] = {
     466             :     {
     467             :         .name = "default",
     468             :         .type = AVMEDIA_TYPE_VIDEO,
     469             :     },
     470             :     { NULL }
     471             : };
     472             : 
     473             : AVFilter ff_vf_selectivecolor = {
     474             :     .name          = "selectivecolor",
     475             :     .description   = NULL_IF_CONFIG_SMALL("Apply CMYK adjustments to specific color ranges."),
     476             :     .priv_size     = sizeof(SelectiveColorContext),
     477             :     .query_formats = query_formats,
     478             :     .inputs        = selectivecolor_inputs,
     479             :     .outputs       = selectivecolor_outputs,
     480             :     .priv_class    = &selectivecolor_class,
     481             :     .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
     482             : };

Generated by: LCOV version 1.13