vf_alphamerge.c File Reference

copy an alpha component from another video's luma More...

#include <string.h>
#include "libavutil/imgutils.h"
#include "libavutil/pixfmt.h"
#include "avfilter.h"
#include "bufferqueue.h"
#include "drawutils.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Classes
struct	AlphaMergeContext

Typedefs
typedef struct AlphaMergeContext	AlphaMergeContext

Enumerations
enum	{ Y, U, V, A }

Variables
AVFilter	ff_vf_alphamerge

Detailed Description

copy an alpha component from another video's luma

Variable Documentation

ff_vf_alphamerge

AVFilter ff_vf_alphamerge

Initial value:

= {
    .name           = "alphamerge",
    .description    = NULL_IF_CONFIG_SMALL("Copy the luma value of the second "
                      "input into the alpha channel of the first input."),
    .uninit         = uninit,
    .priv_size      = sizeof(AlphaMergeContext),
    .query_formats  = query_formats,
    .inputs         = alphamerge_inputs,
    .outputs        = alphamerge_outputs,
}