vf_codecview.c File Reference

Codec debug viewer filter. More...

#include "libavutil/imgutils.h"
#include "libavutil/motion_vector.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "internal.h"

Classes
struct	CodecViewContext

Macros
#define	MV_P_FOR   (1<<0)
#define	MV_B_FOR   (1<<1)
#define	MV_B_BACK   (1<<2)
#define	MV_TYPE_FOR   (1<<0)
#define	MV_TYPE_BACK   (1<<1)
#define	FRAME_TYPE_I   (1<<0)
#define	FRAME_TYPE_P   (1<<1)
#define	FRAME_TYPE_B   (1<<2)
#define	OFFSET(x)   offsetof(CodecViewContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
#define	CONST(name, help, val, unit)   { name, help, 0, AV_OPT_TYPE_CONST, {.i64=val}, 0, 0, FLAGS, unit }

Typedefs
typedef struct CodecViewContext	CodecViewContext

Functions
	AVFILTER_DEFINE_CLASS (codecview)

Variables
AVFilter	ff_vf_codecview

Detailed Description

Codec debug viewer filter.

All the MV drawing code from Michael Niedermayer is extracted from libavcodec/mpegvideo.c.

TODO: segmentation

Variable Documentation

ff_vf_codecview

AVFilter ff_vf_codecview

Initial value:

= {
    .name          = "codecview",
    .description   = NULL_IF_CONFIG_SMALL("Visualize information about some codecs."),
    .priv_size     = sizeof(CodecViewContext),
    .query_formats = query_formats,
    .inputs        = codecview_inputs,
    .outputs       = codecview_outputs,
    .priv_class    = &codecview_class,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
}