libavfilter/vsrc_buffer.c File Reference

memory buffer source filter More...

#include "avfilter.h"
#include "vsrc_buffer.h"
#include "libavutil/imgutils.h"

Go to the source code of this file.

Data Structures
struct	BufferSourceContext
Functions
int	av_vsrc_buffer_add_frame (AVFilterContext *buffer_filter, AVFrame *frame, int64_t pts, AVRational pixel_aspect)
static av_cold int	init (AVFilterContext *ctx, const char *args, void *opaque)
static int	query_formats (AVFilterContext *ctx)
static int	config_props (AVFilterLink *link)
static int	request_frame (AVFilterLink *link)
static int	poll_frame (AVFilterLink *link)
Variables
AVFilter	avfilter_vsrc_buffer

---

Detailed Description

memory buffer source filter

Definition in file vsrc_buffer.c.

---

Function Documentation

int av_vsrc_buffer_add_frame	(	AVFilterContext *	buffer_filter,
		AVFrame *	frame,
		int64_t	pts,
		AVRational	pixel_aspect
	)

Definition at line 40 of file vsrc_buffer.c.

Referenced by output_packet().

static int config_props

(

AVFilterLink *

link

)

[static]

Definition at line 101 of file vsrc_buffer.c.

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

Definition at line 66 of file vsrc_buffer.c.

static int poll_frame

(

AVFilterLink *

link

)

[static]

Definition at line 150 of file vsrc_buffer.c.

static int query_formats

(

AVFilterContext *

ctx

)

[static]

Definition at line 92 of file vsrc_buffer.c.

static int request_frame

(

AVFilterLink *

link

)

[static]

Definition at line 113 of file vsrc_buffer.c.

---

Variable Documentation

AVFilter avfilter_vsrc_buffer

Initial value:

 {
    .name      = "buffer",
    .description = NULL_IF_CONFIG_SMALL("Buffer video frames, and make them accessible to the filterchain."),
    .priv_size = sizeof(BufferSourceContext),
    .query_formats = query_formats,

    .init      = init,

    .inputs    = (AVFilterPad[]) {{ .name = NULL }},
    .outputs   = (AVFilterPad[]) {{ .name            = "default",
                                    .type            = AVMEDIA_TYPE_VIDEO,
                                    .request_frame   = request_frame,
                                    .poll_frame      = poll_frame,
                                    .config_props    = config_props, },
                                  { .name = NULL}},
}

Definition at line 156 of file vsrc_buffer.c.