libavfilter/vf_fifo.c File Reference

FIFO buffering video filter. More...

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

Go to the source code of this file.

Data Structures
struct	BufPic
struct	FifoContext
Functions
static av_cold int	init (AVFilterContext *ctx, const char *args, void *opaque)
static av_cold void	uninit (AVFilterContext *ctx)
static void	start_frame (AVFilterLink *inlink, AVFilterBufferRef *picref)
static void	end_frame (AVFilterLink *inlink)
static void	draw_slice (AVFilterLink *inlink, int y, int h, int slice_dir)
static int	request_frame (AVFilterLink *outlink)
Variables
AVFilter	avfilter_vf_fifo

---

Detailed Description

FIFO buffering video filter.

Definition in file vf_fifo.c.

---

Function Documentation

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

Definition at line 71 of file vf_fifo.c.

static void end_frame

(

AVFilterLink *

inlink

)

[static]

Definition at line 69 of file vf_fifo.c.

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

Definition at line 39 of file vf_fifo.c.

static int request_frame

(

AVFilterLink *

outlink

)

[static]

Definition at line 73 of file vf_fifo.c.

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

Definition at line 60 of file vf_fifo.c.

static av_cold void uninit

(

AVFilterContext *

ctx

)

[static]

Definition at line 48 of file vf_fifo.c.

---

Variable Documentation

AVFilter avfilter_vf_fifo

Initial value:

 {
    .name      = "fifo",
    .description = NULL_IF_CONFIG_SMALL("Buffer input images and send them when they are requested."),

    .init      = init,
    .uninit    = uninit,

    .priv_size = sizeof(FifoContext),

    .inputs    = (const AVFilterPad[]) {{ .name      = "default",
                                    .type            = AVMEDIA_TYPE_VIDEO,
                                    .get_video_buffer= ff_null_get_video_buffer,
                                    .start_frame     = start_frame,
                                    .draw_slice      = draw_slice,
                                    .end_frame       = end_frame,
                                    .rej_perms       = AV_PERM_REUSE2, },
                                  { .name = NULL}},
    .outputs   = (const AVFilterPad[]) {{ .name      = "default",
                                    .type            = AVMEDIA_TYPE_VIDEO,
                                    .request_frame   = request_frame, },
                                  { .name = NULL}},
}

Definition at line 99 of file vf_fifo.c.