avfilter_internal.h File Reference

#include <stdint.h>
#include "avfilter.h"
#include "filters.h"
#include "framepool.h"
#include "framequeue.h"

Go to the source code of this file.

Data Structures
struct	FilterLinkInternal
struct	FFFilterContext
struct	AVFilterCommand
struct	FFFilterGraph

Macros
#define	FF_TPRINTF_START(ctx, func)
#define	ff_tlog_link(ctx, link, end)

Functions
static FilterLinkInternal *	ff_link_internal (AVFilterLink *link)
static FFFilterContext *	fffilterctx (AVFilterContext *ctx)
static FFFilterGraph *	fffiltergraph (AVFilterGraph *graph)
void	ff_avfilter_graph_update_heap (AVFilterGraph *graph, struct FilterLinkInternal *li)
	Update the position of a link in the age heap.
AVFilterContext *	ff_filter_alloc (const AVFilter *filter, const char *inst_name)
	Allocate a new filter context and return it.
void	ff_filter_graph_remove_filter (AVFilterGraph *graph, AVFilterContext *filter)
	Remove a filter from a graph;.
int	ff_filter_activate (AVFilterContext *filter)
int	ff_filter_opt_parse (void *logctx, const AVClass *priv_class, AVDictionary **options, const char *args)
	Parse filter options into a dictionary.
int	ff_graph_thread_init (FFFilterGraph *graph)
void	ff_graph_thread_free (FFFilterGraph *graph)
int	ff_filter_config_links (AVFilterContext *filter)
	Negotiate the media format, dimensions, etc of all inputs to a filter.
int	ff_filter_graph_run_once (AVFilterGraph *graph)
	Run one round of processing on a filter graph.
int	ff_inlink_process_commands (AVFilterLink *link, const AVFrame *frame)
	Process the commands queued in the link up to the time of the frame.

Macro Definition Documentation

FF_TPRINTF_START

#define FF_TPRINTF_START	(		ctx,
			func )

Value:

ff_tlog(NULL, "%-16s: ", #func)

Definition at line 209 of file avfilter_internal.h.

Referenced by ff_filter_frame(), ff_get_video_buffer(), ff_request_frame(), and request_frame_to_filter().

ff_tlog_link

#define ff_tlog_link	(		ctx,
			link,
			end )

Value:

do { } while(0)

Definition at line 214 of file avfilter_internal.h.

Referenced by ff_filter_frame(), ff_get_video_buffer(), ff_request_frame(), and request_frame_to_filter().

Function Documentation

ff_link_internal()

static FilterLinkInternal * ff_link_internal ( AVFilterLink * link )

inlinestatic

Definition at line 94 of file avfilter_internal.h.

fffilterctx()

static FFFilterContext * fffilterctx ( AVFilterContext * ctx )

inlinestatic

Definition at line 125 of file avfilter_internal.h.

Referenced by avfilter_free(), avfilter_graph_queue_command(), avfilter_graph_segment_init(), avfilter_init_dict(), avfilter_link(), avfilter_process_command(), command_queue_pop(), evaluate_timeline_at_frame(), ff_filter_activate(), ff_filter_execute(), ff_filter_graph_run_once(), ff_filter_set_ready(), ff_inlink_process_commands(), and ff_request_frame().

fffiltergraph()

static FFFilterGraph * fffiltergraph ( AVFilterGraph * graph )

inlinestatic

Definition at line 154 of file avfilter_internal.h.

Referenced by avfilter_graph_alloc_filter(), avfilter_graph_config(), avfilter_graph_free(), avfilter_graph_request_oldest(), avfilter_graph_set_auto_convert(), avfilter_init_dict(), avfilter_link(), ff_avfilter_graph_update_heap(), graph_config_pointers(), query_formats(), and thread_execute().

ff_avfilter_graph_update_heap()

void ff_avfilter_graph_update_heap	(	AVFilterGraph *	graph,
		struct FilterLinkInternal *	li )

Update the position of a link in the age heap.

Definition at line 1559 of file avfiltergraph.c.

Referenced by update_link_current_pts().

ff_filter_alloc()

AVFilterContext * ff_filter_alloc	(	const AVFilter *	filter,
		const char *	inst_name )

Allocate a new filter context and return it.

Parameters

filter	what filter to create an instance of
inst_name	name to give to the new filter context

Returns

newly created filter context or NULL on failure

Definition at line 701 of file avfilter.c.

Referenced by avfilter_graph_alloc_filter().

ff_filter_graph_remove_filter()

void ff_filter_graph_remove_filter	(	AVFilterGraph *	graph,
		AVFilterContext *	filter )

Remove a filter from a graph;.

Definition at line 101 of file avfiltergraph.c.

Referenced by avfilter_free().

ff_filter_activate()

int ff_filter_activate

(

AVFilterContext *

filter

)

Definition at line 1451 of file avfilter.c.

Referenced by ff_filter_graph_run_once().

ff_filter_opt_parse()

int ff_filter_opt_parse	(	void *	logctx,
		const AVClass *	priv_class,
		AVDictionary **	options,
		const char *	args )

Parse filter options into a dictionary.

Parameters

logctx	context for logging
priv_class	a filter's private class for shorthand options or NULL
options	dictionary to store parsed options in
args	options string to parse

Returns

a non-negative number on success, a negative error code on failure

Definition at line 853 of file avfilter.c.

Referenced by avfilter_init_str(), and filter_parse().

ff_graph_thread_init()

int ff_graph_thread_init

(

FFFilterGraph *

graph

)

Definition at line 77 of file avfiltergraph.c.

Referenced by avfilter_graph_alloc_filter().

ff_graph_thread_free()

void ff_graph_thread_free

(

FFFilterGraph *

graph

)

Definition at line 73 of file avfiltergraph.c.

Referenced by avfilter_graph_free().

ff_filter_config_links()

int ff_filter_config_links

(

AVFilterContext *

filter

)

Negotiate the media format, dimensions, etc of all inputs to a filter.

Parameters

filter

the filter to negotiate the properties for its inputs

Returns

zero on successful negotiation

Definition at line 328 of file avfilter.c.

Referenced by ff_filter_config_links(), and graph_config_links().

ff_filter_graph_run_once()

int ff_filter_graph_run_once

(

AVFilterGraph *

graph

)

Run one round of processing on a filter graph.

Definition at line 1616 of file avfiltergraph.c.

Referenced by avfilter_graph_request_oldest(), get_frame_internal(), and push_frame().

ff_inlink_process_commands()

int ff_inlink_process_commands	(	AVFilterLink *	link,
		const AVFrame *	frame )

Process the commands queued in the link up to the time of the frame.

Commands will trigger the process_command() callback.

Returns

>= 0 or AVERROR code.

Definition at line 1607 of file avfilter.c.

Referenced by consume_update(), and filter_frame_framed().