vf_colorkey.c File Reference

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

Go to the source code of this file.

Data Structures
struct	ColorkeyContext

Macros
#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 uint8_t	do_colorkey_pixel (ColorkeyContext *ctx, uint8_t r, uint8_t g, uint8_t b)
static int	do_colorkey_slice (AVFilterContext *avctx, void *arg, int jobnr, int nb_jobs)
static int	do_colorhold_slice (AVFilterContext *avctx, void *arg, int jobnr, int nb_jobs)
static av_cold int	init_filter (AVFilterContext *avctx)
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

OFFSET

#define OFFSET

(

x

)

offsetof(ColorkeyContext, x)

Definition at line 187 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 188 of file vf_colorkey.c.

Function Documentation

do_colorkey_pixel()

static uint8_t do_colorkey_pixel ( ColorkeyContext *  ctx, uint8_t  r, uint8_t  g, uint8_t  b  )

static

Definition at line 42 of file vf_colorkey.c.

Referenced by do_colorhold_slice(), and do_colorkey_slice().

do_colorkey_slice()

static int do_colorkey_slice ( AVFilterContext *  avctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 57 of file vf_colorkey.c.

Referenced by init_filter().

do_colorhold_slice()

static int do_colorhold_slice ( AVFilterContext *  avctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 83 of file vf_colorkey.c.

Referenced by init_filter().

init_filter()

static av_cold int init_filter ( AVFilterContext *  avctx )

static

Definition at line 119 of file vf_colorkey.c.

filter_frame()

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

static

Definition at line 132 of file vf_colorkey.c.

config_output()

static av_cold int config_output ( AVFilterLink *  outlink )

static

Definition at line 145 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_NONE
}

Definition at line 162 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 170 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 179 of file vf_colorkey.c.