* @param log_ctx context used for logging
* @return 0 in case of success, a negative AVERROR code otherwise
*/
-int avfilter_graph_config(AVFilterGraph *graphctx, AVClass *log_ctx);
+int avfilter_graph_config(AVFilterGraph *graphctx, void *log_ctx);
/**
* Free a graph, destroy its links, and set *graph to NULL.
*/
int avfilter_graph_parse(AVFilterGraph *graph, const char *filters,
AVFilterInOut *inputs, AVFilterInOut *outputs,
- AVClass *log_ctx);
+ void *log_ctx);
-#endif /* AVFILTER_AVFILTERGRAPH_H */
+#endif /* AVFILTER_AVFILTERGRAPH_H */