libavfilter/defaults.c File Reference

#include "libavcodec/imgconvert.h"
#include "avfilter.h"

Go to the source code of this file.

Functions
static void	avfilter_default_free_video_buffer (AVFilterPic *pic)
AVFilterPicRef *	avfilter_default_get_video_buffer (AVFilterLink *link, int perms, int w, int h)
	default handler for get_video_buffer() for video inputs
void	avfilter_default_start_frame (AVFilterLink *link, AVFilterPicRef *picref)
	default handler for start_frame() for video inputs
void	avfilter_default_draw_slice (AVFilterLink *link, int y, int h, int slice_dir)
	default handler for draw_slice() for video inputs
void	avfilter_default_end_frame (AVFilterLink *link)
	default handler for end_frame() for video inputs
int	avfilter_default_config_output_link (AVFilterLink *link)
	default config_link() implementation for output video links to simplify the implementation of one input one output video filters
void	avfilter_set_common_formats (AVFilterContext *ctx, AVFilterFormats *formats)
	A helper for query_formats() which sets all links to the same list of formats.
int	avfilter_default_query_formats (AVFilterContext *ctx)
	Default handler for query_formats().
void	avfilter_null_start_frame (AVFilterLink *link, AVFilterPicRef *picref)
	start_frame() handler for filters which simply pass video along
void	avfilter_null_draw_slice (AVFilterLink *link, int y, int h, int slice_dir)
	draw_slice() handler for filters which simply pass video along
void	avfilter_null_end_frame (AVFilterLink *link)
	end_frame() handler for filters which simply pass video along
AVFilterPicRef *	avfilter_null_get_video_buffer (AVFilterLink *link, int perms, int w, int h)
	get_video_buffer() handler for filters which simply pass video along

---

Function Documentation

int avfilter_default_config_output_link

(

AVFilterLink *

link

)

default config_link() implementation for output video links to simplify the implementation of one input one output video filters

default handler for config_props() for video outputs

Definition at line 116 of file defaults.c.

Referenced by avfilter_config_links().

void avfilter_default_draw_slice	(	AVFilterLink *	link,
		int	y,
		int	h,
		int	slice_dir
	)

default handler for draw_slice() for video inputs

Definition at line 83 of file defaults.c.

Referenced by avfilter_draw_slice().

void avfilter_default_end_frame

(

AVFilterLink *

link

)

default handler for end_frame() for video inputs

Definition at line 94 of file defaults.c.

Referenced by avfilter_end_frame().

static void avfilter_default_free_video_buffer

(

AVFilterPic *

pic

)

[static]

Definition at line 26 of file defaults.c.

Referenced by avfilter_default_get_video_buffer().

AVFilterPicRef* avfilter_default_get_video_buffer	(	AVFilterLink *	link,
		int	perms,
		int	w,
		int	h
	)

default handler for get_video_buffer() for video inputs

Definition at line 35 of file defaults.c.

Referenced by avfilter_get_video_buffer(), and avfilter_start_frame().

int avfilter_default_query_formats

(

AVFilterContext *

ctx

)

Default handler for query_formats().

Definition at line 162 of file defaults.c.

Referenced by query_formats().

void avfilter_default_start_frame	(	AVFilterLink *	link,
		AVFilterPicRef *	picref
	)

default handler for start_frame() for video inputs

Definition at line 67 of file defaults.c.

Referenced by avfilter_start_frame().

void avfilter_null_draw_slice	(	AVFilterLink *	link,
		int	y,
		int	h,
		int	slice_dir
	)

draw_slice() handler for filters which simply pass video along

Definition at line 173 of file defaults.c.

void avfilter_null_end_frame

(

AVFilterLink *

link

)

end_frame() handler for filters which simply pass video along

Definition at line 178 of file defaults.c.

AVFilterPicRef* avfilter_null_get_video_buffer	(	AVFilterLink *	link,
		int	perms,
		int	w,
		int	h
	)

get_video_buffer() handler for filters which simply pass video along

Definition at line 183 of file defaults.c.

void avfilter_null_start_frame	(	AVFilterLink *	link,
		AVFilterPicRef *	picref
	)

start_frame() handler for filters which simply pass video along

Definition at line 168 of file defaults.c.

void avfilter_set_common_formats	(	AVFilterContext *	ctx,
		AVFilterFormats *	formats
	)

A helper for query_formats() which sets all links to the same list of formats.

If there are no links hooked to this filter, the list of formats is freed.

FIXME: this will need changed for filters with a mix of pad types (video + audio, etc)

Definition at line 138 of file defaults.c.

Referenced by avfilter_default_query_formats(), and query_formats().