1 files changed, 2 insertions, 0 deletions
diff --git a/avconv.h b/avconv.h
index fb720d6259..d8bf78b419 100644
--- a/avconv.h
+++ b/avconv.h
@@ -356,5 +356,7 @@ int guess_input_channel_layout(InputStream *ist);
 
 int configure_filtergraph(FilterGraph *fg);
 int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out);
+int ist_in_filtergraph(FilterGraph *fg, InputStream *ist);
+FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost);
 
 #endif /* AVCONV_H */