vf_geq.c File Reference

Generic equation change filter Originally written by Michael Niedermayer for the MPlayer project, and ported by Clément Bœsch for FFmpeg. More...

#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/eval.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "internal.h"

Classes
struct	GEQContext
struct	ThreadData

Macros
#define	OFFSET(x)   offsetof(GEQContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Typedefs
typedef struct GEQContext	GEQContext
typedef struct ThreadData	ThreadData

Enumerations
enum	{   VAR_X, VAR_Y, VAR_W, VAR_H,   VAR_N, VAR_SW, VAR_SH, VAR_T,   VAR_VARS_NB }
enum	{   Y = 0, U, V, A,   G, B, R }

Functions
	AVFILTER_DEFINE_CLASS (geq)

Variables
AVFilter	ff_vf_geq

Detailed Description

Generic equation change filter Originally written by Michael Niedermayer for the MPlayer project, and ported by Clément Bœsch for FFmpeg.

Variable Documentation

ff_vf_geq

AVFilter ff_vf_geq

Initial value:

= {
    .name          = "geq",
    .description   = NULL_IF_CONFIG_SMALL("Apply generic equation to each pixel."),
    .priv_size     = sizeof(GEQContext),
    .init          = geq_init,
    .uninit        = geq_uninit,
    .query_formats = geq_query_formats,
    .inputs        = geq_inputs,
    .outputs       = geq_outputs,
    .priv_class    = &geq_class,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
}