FFmpeg
Classes | Macros | Typedefs | Enumerations | Functions | Variables
vf_fftfilt.c File Reference

FFT domain filtering. More...

#include "libavfilter/internal.h"
#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavcodec/avfft.h"
#include "libavutil/eval.h"

Classes

struct  FFTFILTContext
 

Macros

#define MAX_PLANES   4
 
#define OFFSET(x)   offsetof(FFTFILTContext, x)
 
#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
 

Typedefs

typedef struct FFTFILTContext FFTFILTContext
 

Enumerations

enum  EvalMode {
  EVAL_MODE_ONCE, EVAL_MODE_FRAME, EVAL_MODE_NB, EVAL_MODE_INIT,
  EVAL_MODE_FRAME, EVAL_MODE_NB, EVAL_MODE_INIT, EVAL_MODE_FRAME,
  EVAL_MODE_NB, EVAL_MODE_INIT, EVAL_MODE_FRAME, EVAL_MODE_NB,
  EVAL_MODE_INIT, EVAL_MODE_FRAME, EVAL_MODE_NB, EVAL_MODE_INIT,
  EVAL_MODE_FRAME, EVAL_MODE_NB, EVAL_MODE_INIT, EVAL_MODE_FRAME,
  EVAL_MODE_NB
}
 
enum  {
  VAR_X, VAR_Y, VAR_W, VAR_H,
  VAR_N, VAR_VARS_NB
}
 
enum  { Y = 0, U, V }
 

Functions

 AVFILTER_DEFINE_CLASS (fftfilt)
 

Variables

AVFilter ff_vf_fftfilt
 

Detailed Description

FFT domain filtering.

Variable Documentation

§ ff_vf_fftfilt

AVFilter ff_vf_fftfilt
Initial value:
= {
.name = "fftfilt",
.description = NULL_IF_CONFIG_SMALL("Apply arbitrary expressions to pixels in frequency domain."),
.priv_size = sizeof(FFTFILTContext),
.priv_class = &fftfilt_class,
.inputs = fftfilt_inputs,
.outputs = fftfilt_outputs,
.query_formats = query_formats,
.init = initialize,
.uninit = uninit,
}
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
Definition: avfilter.h:125
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
Definition: vf_fftfilt.c:43