vf_framestep.c File Reference

#include "avfilter.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	FrameStepContext

Functions
static av_cold int	init (AVFilterContext *ctx, const char *args)
static int	config_output_props (AVFilterLink *outlink)
static int	filter_frame (AVFilterLink *inlink, AVFilterBufferRef *ref)
static int	request_frame (AVFilterLink *outlink)

Variables
static const AVFilterPad	framestep_inputs []
static const AVFilterPad	framestep_outputs []
AVFilter	avfilter_vf_framestep

Function Documentation

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

static

Definition at line 34 of file vf_framestep.c.

static int config_output_props ( AVFilterLink *  outlink )

static

Definition at line 53 of file vf_framestep.c.

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

static

Definition at line 69 of file vf_framestep.c.

static int request_frame ( AVFilterLink *  outlink )

static

Definition at line 83 of file vf_framestep.c.

Variable Documentation

const AVFilterPad framestep_inputs[]

static

Initial value:

= {
    {
        .name             = "default",
        .type             = AVMEDIA_TYPE_VIDEO,
        .get_video_buffer = ff_null_get_video_buffer,
        .filter_frame     = filter_frame,
    },
    { NULL }
}

Definition at line 97 of file vf_framestep.c.

const AVFilterPad framestep_outputs[]

static

Initial value:

= {
    {
        .name          = "default",
        .type          = AVMEDIA_TYPE_VIDEO,
        .config_props  = config_output_props,
        .request_frame = request_frame,
    },
    { NULL }
}

Definition at line 107 of file vf_framestep.c.

AVFilter avfilter_vf_framestep

Initial value:

= {
    .name      = "framestep",
    .description = NULL_IF_CONFIG_SMALL("Select one frame every N frames."),
    .init      = init,
    .priv_size = sizeof(FrameStepContext),
    .inputs    = framestep_inputs,
    .outputs   = framestep_outputs,
}

Definition at line 117 of file vf_framestep.c.