avf_avectorscope.c File Reference

audio to video multimedia vectorscope filter More...

#include "libavutil/avassert.h"
#include "libavutil/channel_layout.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "avfilter.h"
#include "formats.h"
#include "audio.h"
#include "video.h"
#include "internal.h"

Classes
struct	AudioVectorScopeContext

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

Typedefs
typedef struct AudioVectorScopeContext	AudioVectorScopeContext

Enumerations
enum	VectorScopeMode { LISSAJOUS, LISSAJOUS_XY, POLAR, MODE_NB }
enum	VectorScopeDraw { DOT, LINE, DRAW_NB }
enum	VectorScopeScale {   LIN, SQRT, CBRT, LOG,   SCALE_NB }

Functions
	AVFILTER_DEFINE_CLASS (avectorscope)

Variables
AVFilter	ff_avf_avectorscope

Detailed Description

audio to video multimedia vectorscope filter

Variable Documentation

ff_avf_avectorscope

AVFilter ff_avf_avectorscope

Initial value:

= {
    .name          = "avectorscope",
    .description   = NULL_IF_CONFIG_SMALL("Convert input audio to vectorscope video output."),
    .uninit        = uninit,
    .query_formats = query_formats,
    .priv_size     = sizeof(AudioVectorScopeContext),
    .inputs        = audiovectorscope_inputs,
    .outputs       = audiovectorscope_outputs,
    .priv_class    = &avectorscope_class,
}