public static extern AVFilterContext* avfilter_graph_alloc_filter(AVFilterGraph* graph, AVFilter* filter, String name);
public static extern int avfilter_graph_create_filter(AVFilterContext** filt_ctx, AVFilter* filt, String name, String args, void* opaque, AVFilterGraph* graph_ctx);
public static extern AVFilter** av_filter_next(AVFilter** filter);
public static extern int avfilter_open(AVFilterContext** filter_ctx, AVFilter* filter, String inst_name);
public static extern AVFilter* avfilter_next(AVFilter* prev);
public static extern int avfilter_register(AVFilter* filter);
public static extern int avfilter_graph_create_filter(AVFilterContext** @filt_ctx, AVFilter* @filt, [MarshalAs(UnmanagedType.LPStr)] string @name, [MarshalAs(UnmanagedType.LPStr)] string @args, void* @opaque, AVFilterGraph* @graph_ctx);
public static extern AVFilterContext* avfilter_graph_alloc_filter(AVFilterGraph* @graph, AVFilter* @filter, [MarshalAs(UnmanagedType.LPStr)] string @name);
public static extern int avfilter_open(AVFilterContext** @filter_ctx, AVFilter* @filter, [MarshalAs(UnmanagedType.LPStr)] string @inst_name);