AVFilter          601 extra_lib/include/libavfilter/avfilter.h     struct AVFilter *next;
AVFilter          636 extra_lib/include/libavfilter/avfilter.h     const AVFilter *filter;         ///< the AVFilter of which this is an instance
AVFilter          991 extra_lib/include/libavfilter/avfilter.h int avfilter_register(AVFilter *filter);
AVFilter         1003 extra_lib/include/libavfilter/avfilter.h AVFilter *avfilter_get_by_name(const char *name);
AVFilter         1010 extra_lib/include/libavfilter/avfilter.h const AVFilter *avfilter_next(const AVFilter *prev);
AVFilter         1021 extra_lib/include/libavfilter/avfilter.h AVFilter **av_filter_next(AVFilter **filter);
AVFilter         1036 extra_lib/include/libavfilter/avfilter.h int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);
AVFilter         1266 extra_lib/include/libavfilter/avfilter.h                                              const AVFilter *filter,
AVFilter         1304 extra_lib/include/libavfilter/avfilter.h int avfilter_graph_create_filter(AVFilterContext **filt_ctx, const AVFilter *filt,