libavfilter/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, void *opaque)
static int	query_formats (AVFilterContext *ctx)
static void	end_frame (AVFilterLink *inlink)
Variables
AVFilter	avfilter_vf_bbox

---

Detailed Description

bounding box detection filter

Definition in file vf_bbox.c.

---

Function Documentation

static void end_frame

(

AVFilterLink *

inlink

)

[static]

Definition at line 59 of file vf_bbox.c.

static av_cold int init	(	AVFilterContext *	ctx,
		const char *	args,
		void *	opaque
	)			[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.

---

Variable Documentation

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 = (const AVFilterPad[]) {
        { .name             = "default",
          .type             = AVMEDIA_TYPE_VIDEO,
          .get_video_buffer = avfilter_null_get_video_buffer,
          .start_frame      = ff_null_start_frame_keep_ref,
          .end_frame        = end_frame,
          .min_perms        = AV_PERM_READ, },
        { .name = NULL }
    },

    .outputs = (const AVFilterPad[]) {
        { .name             = "default",
          .type             = AVMEDIA_TYPE_VIDEO },
        { .name = NULL }
    },
}

Definition at line 93 of file vf_bbox.c.