< needed for av_log() and filters common options
< parsed expression (AVExpr*)
< enable expression string
< the AVFilter of which this is an instance
< filtergraph this filter belongs to
< array of input pads
< array of pointers to input links
An opaque struct for libavfilter internal use.
< the enabled state from the last expression evaluation
< name of this filter instance
< number of input pads
< number of output pads
< array of output pads
< array of pointers to output links
< private data for use by the filter
Type of multithreading being allowed/used. A combination of AVFILTER_THREAD_* flags.
< variable values for the enable expression
An instance of a filter