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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 avfilter_vf_colorbalance
 

Macro Definition Documentation

#define R   0

Definition at line 29 of file vf_colorbalance.c.

#define G   1

Definition at line 30 of file vf_colorbalance.c.

#define B   2

Definition at line 31 of file vf_colorbalance.c.

#define A   3

Definition at line 32 of file vf_colorbalance.c.

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

Definition at line 52 of file vf_colorbalance.c.

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 84 of file vf_colorbalance.c.

static int filter_frame ( AVFilterLink inlink,
AVFrame in 
)
static

Definition at line 138 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",
.filter_frame = filter_frame,
},
{ NULL }
}

Definition at line 186 of file vf_colorbalance.c.

const AVFilterPad colorbalance_outputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = config_output,
},
{ NULL }
}

Definition at line 195 of file vf_colorbalance.c.

AVFilter avfilter_vf_colorbalance
Initial value:
= {
.name = "colorbalance",
.description = NULL_IF_CONFIG_SMALL("Adjust the color balance."),
.priv_size = sizeof(ColorBalanceContext),
.priv_class = &colorbalance_class,
}

Definition at line 204 of file vf_colorbalance.c.