AVFilter

activate int function(AVFilterContext* ctx) activate;: Filter activation function.
description const(char)* description;: A description of the filter. May be NULL.
flags int flags;: A combination of AVFILTER_FLAG_*
flags_internal int flags_internal;: < Additional flags for avfilter internal use only.
init int function(AVFilterContext* ctx) init;: Filter initialization function.
init_dict
int function(AVFilterContext* ctx, AVDictionary** options) init_dict;: Should be set instead of @ref AVFilter.init "init" by the filters that want to pass a dictionary of AVOptions to nested contexts that are allocated during init.
init_opaque int function(AVFilterContext* ctx, void* opaque) init_opaque;: Filter initialization function, alternative to the init() callback. Args contains the user-supplied parameters, opaque is used for providing binary data.
inputs const(AVFilterPad)* inputs;: List of inputs, terminated by a zeroed element.
name const(char)* name;: Filter name. Must be non-NULL and unique among filters.
next AVFilter* next;: Used by the filter registration system. Must not be touched by any other code.
outputs const(AVFilterPad)* outputs;: List of outputs, terminated by a zeroed element.
preinit int function(AVFilterContext* ctx) preinit;: Filter pre-initialization function
priv_class const(AVClass)* priv_class;: A class for the private data, used to declare filter private AVOptions. This field is NULL for filters that do not declare any options.
priv_size int priv_size;: < size of private data to allocate for the filter
process_command int function(AVFilterContext*, const(char)* cmd, const(char)* arg, char* res, int res_len, int flags) process_command;: Make the filter instance process a command.
query_formats int function(AVFilterContext*) query_formats;: Query formats supported by the filter on its inputs and outputs.
uninit void function(AVFilterContext* ctx) uninit;: Filter uninitialization function.

AVFilter

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