vf_fade.c File Reference

video fade filter based heavily on vf_negate.c by Bobby Bingham More...

#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/common.h"
#include "libavutil/eval.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "drawutils.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Classes
struct	FadeContext

Macros
#define	R   0
#define	G   1
#define	B   2
#define	A   3
#define	Y   0
#define	U   1
#define	V   2
#define	FADE_IN   0
#define	FADE_OUT   1
#define	INTERP(c_name, c_idx)   av_clip_uint8(((c[c_idx]<<16) + ((int)p[c_name] - (int)c[c_idx]) * s->factor + (1<<15)) >> 16)
#define	OFFSET(x)   offsetof(FadeContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Typedefs
typedef struct FadeContext	FadeContext

Functions
	AVFILTER_DEFINE_CLASS (fade)

Variables
AVFilter	ff_vf_fade

Detailed Description

video fade filter based heavily on vf_negate.c by Bobby Bingham

Variable Documentation

ff_vf_fade

AVFilter ff_vf_fade

Initial value:

= {
    .name          = "fade",
    .description   = NULL_IF_CONFIG_SMALL("Fade in/out input video."),
    .init          = init,
    .priv_size     = sizeof(FadeContext),
    .priv_class    = &fade_class,
    .query_formats = query_formats,
    .inputs        = avfilter_vf_fade_inputs,
    .outputs       = avfilter_vf_fade_outputs,
    .flags         = AVFILTER_FLAG_SLICE_THREADS,
}