diff --git a/libavformat/isom_tags.c b/libavformat/isom_tags.c
index 62e60470a8..c5fd7987f6 100644
--- a/libavformat/isom_tags.c
+++ b/libavformat/isom_tags.c
@@ -89,6 +89,8 @@ const AVCodecTag ff_codec_movvideo_tags[] = {
 
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
+    { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'l', 'p') }, /* DV PAL 16:9 produced by Radius SoftDV */
+    { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'l', ' ') }, /* DV NTSC 16:9 produced by Radius SoftDV */
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */