vf_colorkey.c File Reference

#include "config_components.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "drawutils.h"
#include "filters.h"

Go to the source code of this file.

Data Structures
struct	ColorkeyContext

Macros
#define	COLORKEY_SLICE(name, type)
#define	COLORHOLD_SLICE(name, type, htype)
#define	OFFSET(x)   offsetof(ColorkeyContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Functions
static int	do_colorkey_pixel (const uint8_t *colorkey_rgba, int r, int g, int b, float similarity, float iblend, int max, double scale)
static int	filter_frame (AVFilterLink *link, AVFrame *frame)
static av_cold int	config_output (AVFilterLink *outlink)

Variables
static enum AVPixelFormat	pixel_fmts []
static const AVFilterPad	colorkey_inputs []
static const AVFilterPad	colorkey_outputs []

Macro Definition Documentation

COLORKEY_SLICE

#define COLORKEY_SLICE	(		name,
			type
	)

Definition at line 64 of file vf_colorkey.c.

COLORHOLD_SLICE

#define COLORHOLD_SLICE	(		name,
			type,
			htype
	)

Definition at line 100 of file vf_colorkey.c.

OFFSET

#define OFFSET

(

x

)

offsetof(ColorkeyContext, x)

Definition at line 211 of file vf_colorkey.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 212 of file vf_colorkey.c.

Function Documentation

do_colorkey_pixel()

static int do_colorkey_pixel ( const uint8_t *  colorkey_rgba, int  r, int  g, int  b, float  similarity, float  iblend, int  max, double  scale  )

static

Definition at line 46 of file vf_colorkey.c.

filter_frame()

static int filter_frame ( AVFilterLink *  link, AVFrame *  frame  )

static

Definition at line 148 of file vf_colorkey.c.

config_output()

static av_cold int config_output ( AVFilterLink *  outlink )

static

Definition at line 161 of file vf_colorkey.c.

Variable Documentation

pixel_fmts

enum AVPixelFormat pixel_fmts[]

static

Initial value:

= {
    AV_PIX_FMT_ARGB,
    AV_PIX_FMT_RGBA,
    AV_PIX_FMT_ABGR,
    AV_PIX_FMT_BGRA,
    AV_PIX_FMT_RGBA64,
    AV_PIX_FMT_BGRA64,
    AV_PIX_FMT_NONE
}

Definition at line 184 of file vf_colorkey.c.

colorkey_inputs

const AVFilterPad colorkey_inputs[]

static

Initial value:

= {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_VIDEO,
        .flags        = AVFILTERPAD_FLAG_NEEDS_WRITABLE,
        .filter_frame = filter_frame,
    },
}

Definition at line 194 of file vf_colorkey.c.

colorkey_outputs

const AVFilterPad colorkey_outputs[]

static

Initial value:

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

Definition at line 203 of file vf_colorkey.c.