#include "libavutil/avassert.h"
#include "libavutil/file.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Data Structures
struct	process_range

struct	ThreadData

struct	SelectiveColorContext

Macros
#define	OFFSET(x) offsetof(SelectiveColorContext, x)

#define	FLAGS AV_OPT_FLAG_FILTERING_PARAM\|AV_OPT_FLAG_VIDEO_PARAM

#define	RANGE_OPTION(color_name, range) { color_name"s", "adjust "color_name" regions", OFFSET(opt_cmyk_adjust[range]), AV_OPT_TYPE_STRING, {.str=NULL}, CHAR_MIN, CHAR_MAX, FLAGS }

#define	READ16(dst)

#define	DEF_SELECTIVE_COLOR_FUNC(name, direct, correction_method)

Typedefs
typedef int(*	get_adjust_range_func )(int r, int g, int b, int min_val, int max_val)

typedef int(*	selective_color_func_type )(AVFilterContext ctx, void td, int jobnr, int nb_jobs)

Enumerations
enum	color_range { RANGE_REDS, RANGE_YELLOWS, RANGE_GREENS, RANGE_CYANS, RANGE_BLUES, RANGE_MAGENTAS, RANGE_WHITES, RANGE_NEUTRALS, RANGE_BLACKS, NB_RANGES }

enum	correction_method { CORRECTION_METHOD_ABSOLUTE, CORRECTION_METHOD_RELATIVE, NB_CORRECTION_METHODS }

Functions
	AVFILTER_DEFINE_CLASS (selectivecolor)

static int	get_mid_val (int r, int g, int b)

static int	get_rgb_adjust_range (int r, int g, int b, int min_val, int max_val)

static int	get_cmy_adjust_range (int r, int g, int b, int min_val, int max_val)

static int	get_neutrals_adjust_range (int r, int g, int b, int min_val, int max_val)

static int	get_whites_adjust_range (int r, int g, int b, int min_val, int max_val)

static int	get_blacks_adjust_range (int r, int g, int b, int min_val, int max_val)

static int	register_range (SelectiveColorContext *s, int range_id)

static int	parse_psfile (AVFilterContext ctx, const char fname)

static av_cold int	init (AVFilterContext *ctx)

static int	query_formats (AVFilterContext *ctx)

static int	comp_adjust (int adjust_range, float value, float adjust, float k, int correction_method)

static int	selective_color (AVFilterContext ctx, ThreadData td, int jobnr, int nb_jobs, int direct, int correction_method)

static int	filter_frame (AVFilterLink inlink, AVFrame in)

Variables
static const char *	color_names [NB_RANGES]

static const AVOption	selectivecolor_options []

static const AVFilterPad	selectivecolor_inputs []

static const AVFilterPad	selectivecolor_outputs []

AVFilter	ff_vf_selectivecolor

Macro Definition Documentation

#define OFFSET ( x ) offsetof(SelectiveColorContext, x)

Definition at line 82 of file vf_selectivecolor.c.

#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 83 of file vf_selectivecolor.c.

#define RANGE_OPTION	(	color_name,
		range
	)	{ color_name"s", "adjust "color_name" regions", OFFSET(opt_cmyk_adjust[range]), AV_OPT_TYPE_STRING, {.str=NULL}, CHAR_MIN, CHAR_MAX, FLAGS }

Definition at line 84 of file vf_selectivecolor.c.

#define READ16 ( dst )

Value:

do {                \
    if (size < 2) {                     \
        ret = AVERROR_INVALIDDATA;      \
        goto end;                       \
    }                                   \
    dst = AV_RB16(buf);                 \
    buf  += 2;                          \
    size -= 2;                          \
} while (0)

Referenced by parse_psfile().

#define DEF_SELECTIVE_COLOR_FUNC	(	name,
		direct,
		correction_method
	)

Value:

static int selective_color_##name(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)  \
{                                                                                           \
    return selective_color(ctx, arg, jobnr, nb_jobs, direct, correction_method);            \
}

Definition at line 382 of file vf_selectivecolor.c.

Typedef Documentation

typedef int(* get_adjust_range_func)(int r, int g, int b, int min_val, int max_val)

Definition at line 60 of file vf_selectivecolor.c.

typedef int(* selective_color_func_type)(AVFilterContext *ctx, void *td, int jobnr, int nb_jobs)

Definition at line 393 of file vf_selectivecolor.c.

Enumeration Type Documentation

enum color_range

Todo:

use integers so it can be made bitexact and a FATE test can be added
>8 bit support

Enumerator
RANGE_REDS
RANGE_YELLOWS
RANGE_GREENS
RANGE_CYANS
RANGE_BLUES
RANGE_MAGENTAS
RANGE_WHITES
RANGE_NEUTRALS
RANGE_BLACKS
NB_RANGES

Definition at line 36 of file vf_selectivecolor.c.

enum correction_method

Enumerator
CORRECTION_METHOD_ABSOLUTE
CORRECTION_METHOD_RELATIVE
NB_CORRECTION_METHODS

Definition at line 50 of file vf_selectivecolor.c.

Function Documentation

AVFILTER_DEFINE_CLASS ( selectivecolor )

static int get_mid_val	(	int	r,
		int	g,
		int	b
	)

inlinestatic

Definition at line 106 of file vf_selectivecolor.c.

Referenced by get_cmy_adjust_range(), and get_rgb_adjust_range().

static int get_rgb_adjust_range	(	int	r,
		int	g,
		int	b,
		int	min_val,
		int	max_val
	)

static

Definition at line 114 of file vf_selectivecolor.c.

Referenced by register_range().

static int get_cmy_adjust_range	(	int	r,
		int	g,
		int	b,
		int	min_val,
		int	max_val
	)

static

Definition at line 129 of file vf_selectivecolor.c.

Referenced by register_range().

static int get_neutrals_adjust_range	(	int	r,
		int	g,
		int	b,
		int	min_val,
		int	max_val
	)

static

Definition at line 144 of file vf_selectivecolor.c.

Referenced by register_range().

static int get_whites_adjust_range	(	int	r,
		int	g,
		int	b,
		int	min_val,
		int	max_val
	)

static

Definition at line 150 of file vf_selectivecolor.c.

Referenced by register_range().

static int get_blacks_adjust_range	(	int	r,
		int	g,
		int	b,
		int	min_val,
		int	max_val
	)

static

Definition at line 156 of file vf_selectivecolor.c.

Referenced by register_range().

static int register_range	(	SelectiveColorContext *	s,
		int	range_id
	)

static

Definition at line 162 of file vf_selectivecolor.c.

Referenced by init(), and parse_psfile().

static int parse_psfile	(	AVFilterContext *	ctx,
		const char *	fname
	)

static

Definition at line 194 of file vf_selectivecolor.c.

Referenced by init().

static av_cold int init ( AVFilterContext * ctx )

static

Definition at line 247 of file vf_selectivecolor.c.

static int query_formats ( AVFilterContext * ctx )

static

Definition at line 288 of file vf_selectivecolor.c.

static int comp_adjust	(	int	adjust_range,
		float	value,
		float	adjust,
		float	k,
		int	correction_method
	)

inlinestatic

Definition at line 297 of file vf_selectivecolor.c.

Referenced by selective_color().

static int selective_color	(	AVFilterContext *	ctx,
		ThreadData *	td,
		int	jobnr,
		int	nb_jobs,
		int	direct,
		int	correction_method
	)

inlinestatic

Definition at line 307 of file vf_selectivecolor.c.

static int filter_frame	(	AVFilterLink *	inlink,
		AVFrame *	in
	)

static

Definition at line 395 of file vf_selectivecolor.c.

Variable Documentation

const char* color_names[NB_RANGES]

static

Initial value:

= {
    "red", "yellow", "green", "cyan", "blue", "magenta", "white", "neutral", "black"
}

Definition at line 56 of file vf_selectivecolor.c.

Referenced by init(), and register_range().

const AVOption selectivecolor_options[]

static

Initial value:

= {
    { "correction_method", "select correction method", OFFSET(correction_method), AV_OPT_TYPE_INT, {.i64 = CORRECTION_METHOD_ABSOLUTE}, 0, NB_CORRECTION_METHODS-1, FLAGS, "correction_method" },
        { "absolute", NULL, 0, AV_OPT_TYPE_CONST, {.i64=CORRECTION_METHOD_ABSOLUTE}, INT_MIN, INT_MAX, FLAGS, "correction_method" },
        { "relative", NULL, 0, AV_OPT_TYPE_CONST, {.i64=CORRECTION_METHOD_RELATIVE}, INT_MIN, INT_MAX, FLAGS, "correction_method" },
    RANGE_OPTION("red",     RANGE_REDS),
    RANGE_OPTION("yellow",  RANGE_YELLOWS),
    RANGE_OPTION("green",   RANGE_GREENS),
    RANGE_OPTION("cyan",    RANGE_CYANS),
    RANGE_OPTION("blue",    RANGE_BLUES),
    RANGE_OPTION("magenta", RANGE_MAGENTAS),
    RANGE_OPTION("white",   RANGE_WHITES),
    RANGE_OPTION("neutral", RANGE_NEUTRALS),
    RANGE_OPTION("black",   RANGE_BLACKS),
    { "psfile", "set Photoshop selectivecolor file name", OFFSET(psfile), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = FLAGS },
    { NULL }
}

Definition at line 87 of file vf_selectivecolor.c.

const AVFilterPad selectivecolor_inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .filter_frame = filter_frame,
    },
    { NULL }
}

Definition at line 431 of file vf_selectivecolor.c.

const AVFilterPad selectivecolor_outputs[]

static

Initial value:

= {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_VIDEO,
    },
    { NULL }
}

Definition at line 440 of file vf_selectivecolor.c.

AVFilter ff_vf_selectivecolor

Initial value:

= {
    .name          = "selectivecolor",
    .description   = NULL_IF_CONFIG_SMALL("Apply CMYK adjustments to specific color ranges."),
    .priv_size     = sizeof(SelectiveColorContext),
    .init          = init,
    .query_formats = query_formats,
    .inputs        = selectivecolor_inputs,
    .outputs       = selectivecolor_outputs,
    .priv_class    = &selectivecolor_class,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
}

Definition at line 448 of file vf_selectivecolor.c.

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables

Macro Definition Documentation

Typedef Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation