vf_colorbalance.c File Reference

#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "drawutils.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	Range
struct	ColorBalanceContext

Macros
#define	R   0
#define	G   1
#define	B   2
#define	A   3
#define	OFFSET(x)   offsetof(ColorBalanceContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Functions
	AVFILTER_DEFINE_CLASS (colorbalance)
static int	query_formats (AVFilterContext *ctx)
static int	config_output (AVFilterLink *outlink)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)

Variables
static const AVOption	colorbalance_options []
static const AVFilterPad	colorbalance_inputs []
static const AVFilterPad	colorbalance_outputs []
AVFilter	ff_vf_colorbalance

Macro Definition Documentation

#define R   0

Definition at line 29 of file vf_colorbalance.c.

Referenced by config_output(), and filter_frame().

#define G   1

Definition at line 30 of file vf_colorbalance.c.

Referenced by config_output(), and filter_frame().

#define B   2

Definition at line 31 of file vf_colorbalance.c.

Referenced by config_output(), and filter_frame().

#define A   3

Definition at line 32 of file vf_colorbalance.c.

Referenced by filter_frame().

#define OFFSET

(

x

)

offsetof(ColorBalanceContext, x)

Definition at line 52 of file vf_colorbalance.c.

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 53 of file vf_colorbalance.c.

Function Documentation

AVFILTER_DEFINE_CLASS

(

colorbalance

)

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 69 of file vf_colorbalance.c.

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 85 of file vf_colorbalance.c.

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

static

Definition at line 139 of file vf_colorbalance.c.

Variable Documentation

const AVOption colorbalance_options[]

static

Initial value:

= {
    { "rs", "set red shadows",      OFFSET(cyan_red.shadows),         AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, FLAGS },
    { "gs", "set green shadows",    OFFSET(magenta_green.shadows),    AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, FLAGS },
    { "bs", "set blue shadows",     OFFSET(yellow_blue.shadows),      AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, FLAGS },
    { "rm", "set red midtones",     OFFSET(cyan_red.midtones),        AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, FLAGS },
    { "gm", "set green midtones",   OFFSET(magenta_green.midtones),   AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, FLAGS },
    { "bm", "set blue midtones",    OFFSET(yellow_blue.midtones),     AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, FLAGS },
    { "rh", "set red highlights",   OFFSET(cyan_red.highlights),      AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, FLAGS },
    { "gh", "set green highlights", OFFSET(magenta_green.highlights), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, FLAGS },
    { "bh", "set blue highlights",  OFFSET(yellow_blue.highlights),   AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, FLAGS },
    { NULL }
}

Definition at line 54 of file vf_colorbalance.c.

const AVFilterPad colorbalance_inputs[]

static

Initial value:

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

Definition at line 187 of file vf_colorbalance.c.

const AVFilterPad colorbalance_outputs[]

static

Initial value:

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

Definition at line 196 of file vf_colorbalance.c.

AVFilter ff_vf_colorbalance

Initial value:

= {
    .name          = "colorbalance",
    .description   = NULL_IF_CONFIG_SMALL("Adjust the color balance."),
    .priv_size     = sizeof(ColorBalanceContext),
    .priv_class    = &colorbalance_class,
    .query_formats = query_formats,
    .inputs        = colorbalance_inputs,
    .outputs       = colorbalance_outputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
}

Definition at line 205 of file vf_colorbalance.c.