vf_bbox.c File Reference

bounding box detection filter More...

#include "libavutil/pixdesc.h"
#include "libavutil/timestamp.h"
#include "avfilter.h"
#include "bbox.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	BBoxContext

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

Variables
static const AVFilterPad	bbox_inputs []
static const AVFilterPad	bbox_outputs []
AVFilter	avfilter_vf_bbox

Detailed Description

bounding box detection filter

Definition in file vf_bbox.c.

Function Documentation

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

static

Definition at line 37 of file vf_bbox.c.

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 44 of file vf_bbox.c.

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

static

Definition at line 59 of file vf_bbox.c.

Variable Documentation

const AVFilterPad bbox_inputs[]

static

Initial value:

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

Definition at line 91 of file vf_bbox.c.

const AVFilterPad bbox_outputs[]

static

Initial value:

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

Definition at line 102 of file vf_bbox.c.

AVFilter avfilter_vf_bbox

Initial value:

= {
    .name          = "bbox",
    .description   = NULL_IF_CONFIG_SMALL("Compute bounding box for each frame."),
    .priv_size     = sizeof(BBoxContext),
    .query_formats = query_formats,
    .init          = init,
    .inputs        = bbox_inputs,
    .outputs       = bbox_outputs,
}

Definition at line 110 of file vf_bbox.c.