libavfilter/internal.h File Reference

internal API functions More...

#include "avfilter.h"
#include "avfiltergraph.h"

Go to the source code of this file.

Data Structures
struct	AVFilterPool
struct	AVFilterCommand
Defines
#define	POOL_SIZE   32
Functions
int	ff_avfilter_graph_check_validity (AVFilterGraph *graphctx, AVClass *log_ctx)
	Check for the validity of graph.
int	ff_avfilter_graph_config_links (AVFilterGraph *graphctx, AVClass *log_ctx)
	Configure all the links of graphctx.
int	ff_avfilter_graph_config_formats (AVFilterGraph *graphctx, AVClass *log_ctx)
	Configure the formats of all the links in the graph.
void	ff_avfilter_default_free_buffer (AVFilterBuffer *buf)
	default handler for freeing audio/video buffer when there are no references left
int	ff_fmt_is_in (int fmt, const int *fmts)
	Tell is a format is contained in the provided list terminated by -1.
int	ff_parse_pixel_format (enum PixelFormat *ret, const char *arg, void *log_ctx)
	Parse a pixel format.
int	ff_parse_sample_rate (int *ret, const char *arg, void *log_ctx)
	Parse a sample rate.
int	ff_parse_sample_format (int *ret, const char *arg, void *log_ctx)
	Parse a sample format name or a corresponding integer representation.
int	ff_parse_channel_layout (int64_t *ret, const char *arg, void *log_ctx)
	Parse a channel layout or a corresponding integer representation.
int	ff_parse_packing_format (int *ret, const char *arg, void *log_ctx)
	Parse a packing format or a corresponding integer representation.

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Detailed Description

internal API functions

Definition in file internal.h.

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Define Documentation

#define POOL_SIZE   32

Definition at line 30 of file internal.h.

Referenced by avfilter_default_get_video_buffer(), avfilter_link_free(), and store_in_pool().

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Function Documentation

void ff_avfilter_default_free_buffer

(

AVFilterBuffer *

buf

)

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().

int ff_avfilter_graph_check_validity	(	AVFilterGraph *	graphctx,
		AVClass *	log_ctx
	)

Check for the validity of graph.

A graph is considered valid if all its input and output pads are connected.

Returns:

0 in case of success, a negative value otherwise

Definition at line 81 of file avfiltergraph.c.

Referenced by avfilter_graph_config().

int ff_avfilter_graph_config_formats	(	AVFilterGraph *	graphctx,
		AVClass *	log_ctx
	)

Configure the formats of all the links in the graph.

Definition at line 273 of file avfiltergraph.c.

Referenced by avfilter_graph_config().

int ff_avfilter_graph_config_links	(	AVFilterGraph *	graphctx,
		AVClass *	log_ctx
	)

Configure all the links of graphctx.

Returns:

0 in case of success, a negative value otherwise

Definition at line 111 of file avfiltergraph.c.

Referenced by avfilter_graph_config().

int ff_fmt_is_in	(	int	fmt,
		const int *	fmts
	)

Tell is a format is contained in the provided list terminated by -1.

Definition at line 85 of file formats.c.

Referenced by config_input_main(), config_input_overlay(), and config_props().

int ff_parse_channel_layout	(	int64_t *	ret,
		const char *	arg,
		void *	log_ctx
	)

Parse a channel layout or a corresponding integer representation.

Parameters:

	ret	64bit integer pointer to where the value should be written.
	arg	string to parse
	log_ctx	log context

Returns:

0 in case of success, a negative AVERROR code on error

Definition at line 284 of file formats.c.

Referenced by init().

int ff_parse_packing_format	(	int *	ret,
		const char *	arg,
		void *	log_ctx
	)

Parse a packing format or a corresponding integer representation.

Parameters:

	ret	integer pointer to where the value should be written
	arg	string to parse
	log_ctx	log context

Returns:

0 in case of success, a negative AVERROR code on error

Definition at line 299 of file formats.c.

Referenced by init().

int ff_parse_pixel_format	(	enum PixelFormat *	ret,
		const char *	arg,
		void *	log_ctx
	)

Parse a pixel format.

Parameters:

	ret	pixel format pointer to where the value should be written
	arg	string to parse
	log_ctx	log context

Returns:

0 in case of success, a negative AVERROR code on error

Definition at line 242 of file formats.c.

Referenced by init().

int ff_parse_sample_format	(	int *	ret,
		const char *	arg,
		void *	log_ctx
	)

Parse a sample format name or a corresponding integer representation.

Parameters:

	ret	integer pointer to where the value should be written
	arg	string to parse
	log_ctx	log context

Returns:

0 in case of success, a negative AVERROR code on error

Definition at line 257 of file formats.c.

Referenced by init().

int ff_parse_sample_rate	(	int *	ret,
		const char *	arg,
		void *	log_ctx
	)

Parse a sample rate.

Parameters:

	ret	unsigned integer pointer to where the value should be written
	arg	string to parse
	log_ctx	log context

Returns:

0 in case of success, a negative AVERROR code on error

Definition at line 272 of file formats.c.

Referenced by init().