#include <libavfilter/avfilter.h>

Data Fields
const AVClass *	av_class

AVFilterContext **	filters

unsigned	nb_filters

char *	scale_sws_opts
	sws options to use for the auto-inserted scale filters More...

int	thread_type
	Type of multithreading allowed for filters in this graph. More...

int	nb_threads
	Maximum number of threads used by filters in this graph. More...

AVFilterGraphInternal *	internal
	Opaque object for libavfilter internal use. More...

void *	opaque
	Opaque user data. More...

avfilter_execute_func *	execute
	This callback may be set by the caller immediately after allocating the graph and before adding any filters to it, to provide a custom multithreading implementation. More...

char *	aresample_swr_opts
	swr options to use for the auto-inserted aresample filters, Access ONLY through AVOptions More...

AVFilterLink **	sink_links
	Private fields. More...

int	sink_links_count

unsigned	disable_auto_convert

Detailed Description

Examples:: filter_audio.c, filtering_audio.c, filtering_video.c, and transcoding.c.

Definition at line 840 of file avfilter.h.

Field Documentation

◆ av_class

const AVClass* AVFilterGraph::av_class

Definition at line 841 of file avfilter.h.

Referenced by avfilter_graph_alloc().

◆ filters

◆ nb_filters

◆ scale_sws_opts

char* AVFilterGraph::scale_sws_opts

sws options to use for the auto-inserted scale filters

Definition at line 845 of file avfilter.h.

Referenced by configure_filtergraph(), create_filter(), get_video_frame(), parse_sws_flags(), and query_formats().

◆ thread_type

int AVFilterGraph::thread_type

Type of multithreading allowed for filters in this graph.

A combination of AVFILTER_THREAD_* flags.

May be set by the caller at any point, the setting will apply to all filters initialized after that. The default is allowing everything.

When a filter in this graph is initialized, this field is combined using bit AND with AVFilterContext.thread_type to get the final mask used for determining allowed threading types. I.e. a threading type needs to be set in both to be allowed.

Definition at line 862 of file avfilter.h.

Referenced by avfilter_graph_alloc_filter(), avfilter_init_dict(), and ff_graph_thread_init().

◆ nb_threads

int AVFilterGraph::nb_threads

Maximum number of threads used by filters in this graph.

May be set by the caller before adding any filters to the filtergraph. Zero (the default) means that the number of threads is determined automatically.

Definition at line 869 of file avfilter.h.

Referenced by configure_filtergraph(), ff_filter_get_nb_threads(), ff_graph_thread_init(), and init_complex_filtergraph().

◆ internal

AVFilterGraphInternal* AVFilterGraph::internal

Opaque object for libavfilter internal use.

Definition at line 874 of file avfilter.h.

Referenced by avfilter_graph_alloc(), avfilter_graph_alloc_filter(), avfilter_init_dict(), avfilter_link(), ff_graph_thread_free(), ff_graph_thread_init(), and thread_execute().

◆ opaque

void* AVFilterGraph::opaque

Opaque user data.

May be set by the caller to an arbitrary value, e.g. to be used from callbacks like AVFilterGraph::execute. Libavfilter will not touch this field in any way.

Definition at line 881 of file avfilter.h.

◆ execute

avfilter_execute_func* AVFilterGraph::execute

This callback may be set by the caller immediately after allocating the graph and before adding any filters to it, to provide a custom multithreading implementation.

If set, filters with slice threading capability will call this callback to execute multiple jobs in parallel.

If this field is left unset, libavfilter will use its internal implementation, which may or may not be multithreaded depending on the platform and build options.

Definition at line 895 of file avfilter.h.

Referenced by avfilter_graph_alloc_filter().