vf_fade.c File Reference

video fade filter based heavily on vf_negate.c by Bobby Bingham More...

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

Go to the source code of this file.

Data Structures
struct	FadeContext

Functions
static av_cold int	init (AVFilterContext *ctx, const char *args)
static int	query_formats (AVFilterContext *ctx)
static int	config_props (AVFilterLink *inlink)
static int	filter_frame (AVFilterLink *inlink, AVFilterBufferRef *frame)

Variables
static const AVFilterPad	avfilter_vf_fade_inputs []
static const AVFilterPad	avfilter_vf_fade_outputs []
AVFilter	avfilter_vf_fade

Detailed Description

video fade filter based heavily on vf_negate.c by Bobby Bingham

Definition in file vf_fade.c.

Function Documentation

static int config_props ( AVFilterLink *  inlink )

static

Definition at line 89 of file vf_fade.c.

static int filter_frame ( AVFilterLink *  inlink, AVFilterBufferRef *  frame  )

static

Definition at line 101 of file vf_fade.c.

static av_cold int init ( AVFilterContext *  ctx, const char *  args  )

static

Definition at line 41 of file vf_fade.c.

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 74 of file vf_fade.c.

Variable Documentation

AVFilter avfilter_vf_fade

Initial value:

= {
    .name          = "fade",
    .description   = NULL_IF_CONFIG_SMALL("Fade in/out input video"),
    .init          = init,
    .priv_size     = sizeof(FadeContext),
    .query_formats = query_formats,

    .inputs    = avfilter_vf_fade_inputs,
    .outputs   = avfilter_vf_fade_outputs,
}

Definition at line 167 of file vf_fade.c.

const AVFilterPad avfilter_vf_fade_inputs[]

static

Initial value:

= {
    {
        .name             = "default",
        .type             = AVMEDIA_TYPE_VIDEO,
        .config_props     = config_props,
        .get_video_buffer = ff_null_get_video_buffer,
        .filter_frame     = filter_frame,
        .min_perms        = AV_PERM_READ | AV_PERM_WRITE,
        .rej_perms        = AV_PERM_PRESERVE,
    },
    { NULL }
}

Definition at line 146 of file vf_fade.c.

const AVFilterPad avfilter_vf_fade_outputs[]

static

Initial value:

= {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_VIDEO,
    },
    { NULL }
}

Definition at line 159 of file vf_fade.c.