libavfilter/vf_tile.c File Reference

tile video filter More...

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

Go to the source code of this file.

Data Structures
struct	TileContext
Defines
#define	REASONABLE_SIZE   1024
Functions
static av_cold int	init (AVFilterContext *ctx, const char *args)
static int	query_formats (AVFilterContext *ctx)
static int	config_props (AVFilterLink *outlink)
static int	start_frame (AVFilterLink *inlink, AVFilterBufferRef *picref)
static int	draw_slice (AVFilterLink *inlink, int y, int h, int slice_dir)
static void	draw_blank_frame (AVFilterContext *ctx, AVFilterBufferRef *out_buf)
static void	end_last_frame (AVFilterContext *ctx)
static int	end_frame (AVFilterLink *inlink)
static int	request_frame (AVFilterLink *outlink)
Variables
AVFilter	avfilter_vf_tile

---

Detailed Description

tile video filter

Definition in file vf_tile.c.

---

Define Documentation

#define REASONABLE_SIZE   1024

Definition at line 40 of file vf_tile.c.

Referenced by init().

---

Function Documentation

static int config_props

(

AVFilterLink *

outlink

)

[static]

Definition at line 67 of file vf_tile.c.

static void draw_blank_frame	(	AVFilterContext *	ctx,
		AVFilterBufferRef *	out_buf
	)			[static]

Definition at line 132 of file vf_tile.c.

Referenced by end_last_frame().

static int draw_slice	(	AVFilterLink *	inlink,
		int	y,
		int	h,
		int	slice_dir
	)			[static]

Definition at line 115 of file vf_tile.c.

static int end_frame

(

AVFilterLink *

inlink

)

[static]

Definition at line 159 of file vf_tile.c.

static void end_last_frame

(

AVFilterContext *

ctx

)

[static]

Definition at line 144 of file vf_tile.c.

Referenced by end_frame(), and request_frame().

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

Definition at line 42 of file vf_tile.c.

static int query_formats

(

AVFilterContext *

ctx

)

[static]

Definition at line 61 of file vf_tile.c.

static int request_frame

(

AVFilterLink *

outlink

)

[static]

Definition at line 170 of file vf_tile.c.

static int start_frame	(	AVFilterLink *	inlink,
		AVFilterBufferRef *	picref
	)			[static]

Definition at line 99 of file vf_tile.c.

---

Variable Documentation

AVFilter avfilter_vf_tile

Initial value:

 {
    .name          = "tile",
    .description   = NULL_IF_CONFIG_SMALL("Tile several successive frames together."),
    .init          = init,
    .query_formats = query_formats,
    .priv_size     = sizeof(TileContext),
    .inputs = (const AVFilterPad[]) {
        { .name        = "default",
          .type        = AVMEDIA_TYPE_VIDEO,
          .start_frame = start_frame,
          .draw_slice  = draw_slice,
          .end_frame   = end_frame,
          .min_perms   = AV_PERM_READ, },
        { .name = NULL }
    },
    .outputs = (const AVFilterPad[]) {
        { .name          = "default",
          .type          = AVMEDIA_TYPE_VIDEO,
          .config_props  = config_props,
          .request_frame = request_frame },
        { .name = NULL }
    },
}

Definition at line 193 of file vf_tile.c.