vf_delogo.c File Reference

A very simple tv station logo remover Originally imported from MPlayer libmpcodecs/vf_delogo.c, the algorithm was later improved. More...

#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Classes
struct	DelogoContext

Macros
#define	OFFSET(x)   offsetof(DelogoContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
#define	CHECK_UNSET_OPT(opt)

Typedefs
typedef struct DelogoContext	DelogoContext

Functions
	AVFILTER_DEFINE_CLASS (delogo)

Variables
AVFilter	ff_vf_delogo

Detailed Description

A very simple tv station logo remover Originally imported from MPlayer libmpcodecs/vf_delogo.c, the algorithm was later improved.

Macro Definition Documentation

CHECK_UNSET_OPT

#define CHECK_UNSET_OPT

(

opt

)

Value:

if (s->opt == -1) {                                            \
        av_log(s, AV_LOG_ERROR, "Option %s was not set.\n", #opt); \
        return AVERROR(EINVAL);                                         \
    }

Variable Documentation

ff_vf_delogo

AVFilter ff_vf_delogo

Initial value:

= {
    .name          = "delogo",
    .description   = NULL_IF_CONFIG_SMALL("Remove logo from input video."),
    .priv_size     = sizeof(DelogoContext),
    .priv_class    = &delogo_class,
    .init          = init,
    .query_formats = query_formats,
    .inputs        = avfilter_vf_delogo_inputs,
    .outputs       = avfilter_vf_delogo_outputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
}