@@ -1507,6 +1507,10 @@ static int av_encode(AVFormatContext **output_files,

         codec = ost->st->codec;

         icodec = ist->st->codec;

+        if (!ost->st->language[0])

+            av_strlcpy(ost->st->language, ist->st->language,

+                       sizeof(ost->st->language));

+

         if (ost->st->stream_copy) {

             /* if stream_copy is selected, no need to decode or encode */

             codec->codec_id = icodec->codec_id;