1 files changed, 6 insertions, 0 deletions
diff --git a/libavformat/avio.h b/libavformat/avio.h
index 51913e39fc..5c5aa6d0f0 100644
--- a/libavformat/avio.h
+++ b/libavformat/avio.h
@@ -315,12 +315,18 @@ int avio_put_str(AVIOContext *s, const char *str);
 
 /**
  * Convert an UTF-8 string to UTF-16LE and write it.
+ * @param s the AVIOContext
+ * @param str NULL-terminated UTF-8 string
+ *
  * @return number of bytes written.
  */
 int avio_put_str16le(AVIOContext *s, const char *str);
 
 /**
  * Convert an UTF-8 string to UTF-16BE and write it.
+ * @param s the AVIOContext
+ * @param str NULL-terminated UTF-8 string
+ *
  * @return number of bytes written.
  */
 int avio_put_str16be(AVIOContext *s, const char *str);