libavfilter/defaults.c File Reference

#include "libavutil/audioconvert.h"
#include "libavutil/imgutils.h"
#include "libavutil/samplefmt.h"
#include "avfilter.h"
#include "internal.h"

Go to the source code of this file.

Functions
void	ff_avfilter_default_free_buffer (AVFilterBuffer *ptr)
	default handler for freeing audio/video buffer when there are no references left
AVFilterBufferRef *	avfilter_default_get_video_buffer (AVFilterLink *link, int perms, int w, int h)
	default handler for get_video_buffer() for video inputs
AVFilterBufferRef *	avfilter_default_get_audio_buffer (AVFilterLink *link, int perms, enum AVSampleFormat sample_fmt, int nb_samples, int64_t channel_layout, int planar)
	default handler for get_audio_buffer() for audio inputs
void	avfilter_default_start_frame (AVFilterLink *inlink, AVFilterBufferRef *picref)
	default handler for start_frame() for video inputs
void	avfilter_default_draw_slice (AVFilterLink *inlink, int y, int h, int slice_dir)
	default handler for draw_slice() for video inputs
void	avfilter_default_end_frame (AVFilterLink *inlink)
	default handler for end_frame() for video inputs
void	avfilter_default_filter_samples (AVFilterLink *inlink, AVFilterBufferRef *samplesref)
	default handler for filter_samples() for audio 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
static void	set_common_formats (AVFilterContext *ctx, AVFilterFormats *fmts, enum AVMediaType type, int offin, int offout)
void	avfilter_set_common_pixel_formats (AVFilterContext *ctx, AVFilterFormats *formats)
	Helpers for query_formats() which set all links to the same list of formats/layouts.
void	avfilter_set_common_sample_formats (AVFilterContext *ctx, AVFilterFormats *formats)
void	avfilter_set_common_channel_layouts (AVFilterContext *ctx, AVFilterFormats *formats)
int	avfilter_default_query_formats (AVFilterContext *ctx)
	Default handler for query_formats().
void	avfilter_null_start_frame (AVFilterLink *link, AVFilterBufferRef *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
void	avfilter_null_filter_samples (AVFilterLink *link, AVFilterBufferRef *samplesref)
	filter_samples() handler for filters which simply pass audio along
AVFilterBufferRef *	avfilter_null_get_video_buffer (AVFilterLink *link, int perms, int w, int h)
	get_video_buffer() handler for filters which simply pass video along
AVFilterBufferRef *	avfilter_null_get_audio_buffer (AVFilterLink *link, int perms, enum AVSampleFormat sample_fmt, int size, int64_t channel_layout, int packed)
	get_audio_buffer() handler for filters which simply pass audio 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 audio/video outputs

Definition at line 180 of file defaults.c.

Referenced by avfilter_config_links().

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

default handler for draw_slice() for video inputs

Definition at line 124 of file defaults.c.

Referenced by avfilter_draw_slice().

void avfilter_default_end_frame

(

AVFilterLink *

inlink

)

default handler for end_frame() for video inputs

Definition at line 135 of file defaults.c.

Referenced by avfilter_end_frame().

void avfilter_default_filter_samples	(	AVFilterLink *	inlink,
		AVFilterBufferRef *	samplesref
	)

default handler for filter_samples() for audio inputs

Definition at line 155 of file defaults.c.

Referenced by avfilter_filter_samples().

AVFilterBufferRef* avfilter_default_get_audio_buffer	(	AVFilterLink *	link,
		int	perms,
		enum AVSampleFormat	sample_fmt,
		int	nb_samples,
		int64_t	channel_layout,
		int	planar
	)

default handler for get_audio_buffer() for audio inputs

Definition at line 83 of file defaults.c.

Referenced by avfilter_default_filter_samples(), avfilter_filter_samples(), and avfilter_get_audio_buffer().

AVFilterBufferRef* 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 37 of file defaults.c.

Referenced by avfilter_get_video_buffer(), and get_video_buffer().

int avfilter_default_query_formats

(

AVFilterContext *

ctx

)

Default handler for query_formats().

Definition at line 242 of file defaults.c.

Referenced by main(), and query_formats().

void avfilter_default_start_frame	(	AVFilterLink *	inlink,
		AVFilterBufferRef *	picref
	)

default handler for start_frame() for video inputs

Definition at line 110 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 256 of file defaults.c.

void avfilter_null_end_frame

(

AVFilterLink *

link

)

end_frame() handler for filters which simply pass video along

Definition at line 261 of file defaults.c.

void avfilter_null_filter_samples	(	AVFilterLink *	link,
		AVFilterBufferRef *	samplesref
	)

filter_samples() handler for filters which simply pass audio along

Definition at line 266 of file defaults.c.

AVFilterBufferRef* avfilter_null_get_audio_buffer	(	AVFilterLink *	link,
		int	perms,
		enum AVSampleFormat	sample_fmt,
		int	size,
		int64_t	channel_layout,
		int	packed
	)

get_audio_buffer() handler for filters which simply pass audio along

Definition at line 276 of file defaults.c.

AVFilterBufferRef* 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 271 of file defaults.c.

void avfilter_null_start_frame	(	AVFilterLink *	link,
		AVFilterBufferRef *	picref
	)

start_frame() handler for filters which simply pass video along

Definition at line 251 of file defaults.c.

void avfilter_set_common_channel_layouts	(	AVFilterContext *	ctx,
		AVFilterFormats *	formats
	)

Definition at line 235 of file defaults.c.

Referenced by avfilter_default_query_formats().

void avfilter_set_common_pixel_formats	(	AVFilterContext *	ctx,
		AVFilterFormats *	formats
	)

Helpers for query_formats() which set all links to the same list of formats/layouts.

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

Definition at line 221 of file defaults.c.

Referenced by avfilter_default_query_formats(), and query_formats().

void avfilter_set_common_sample_formats	(	AVFilterContext *	ctx,
		AVFilterFormats *	formats
	)

Definition at line 228 of file defaults.c.

Referenced by avfilter_default_query_formats().

void ff_avfilter_default_free_buffer

(

AVFilterBuffer *

ptr

)

default handler for freeing audio/video buffer when there are no references left

Definition at line 28 of file defaults.c.

Referenced by avfilter_get_audio_buffer_ref_from_arrays(), and avfilter_get_video_buffer_ref_from_arrays().

static void set_common_formats	(	AVFilterContext *	ctx,
		AVFilterFormats *	fmts,
		enum AVMediaType	type,
		int	offin,
		int	offout
	)			[static]

Definition at line 200 of file defaults.c.

Referenced by avfilter_set_common_channel_layouts(), avfilter_set_common_pixel_formats(), and avfilter_set_common_sample_formats().