1 files changed, 3 insertions, 2 deletions
diff --git a/src/util.h b/src/util.h
index e6f9bcf..8e0503a 100644
--- a/src/util.h
+++ b/src/util.h
@@ -3,8 +3,9 @@
 
 void
 pgm_save(unsigned char *buf, int wrap, int xsize, int ysize, char *filename);
+
+/* Store half of frame_a and half of frame_b in frame_a */
 void
-frame_mix_pgm_save(struct video_frame *frame_a, struct video_frame *frame_b,
-        char *filename);
+frame_mix(struct video_frame *frame_a, struct video_frame *frame_b);
 
 #endif /* _UTIL_H_ */