diff --git a/libavcodec/raw.c b/libavcodec/raw.c
index 4b84242..e7888c4 100644
--- a/libavcodec/raw.c
+++ b/libavcodec/raw.c
@@ -135,6 +135,8 @@ const PixelFormatTag ff_raw_pix_fmt_tags[] = {
     { PIX_FMT_GRAY8A,      MKTAG('Y', '2',  0 ,  8 ) },
 
     /* quicktime */
+    { PIX_FMT_YUV411P, MKTAG('R', '4', '1', '1') },
+    { PIX_FMT_YUV420P, MKTAG('R', '4', '2', '0') },
     { PIX_FMT_UYVY422, MKTAG('2', 'v', 'u', 'y') },
     { PIX_FMT_UYVY422, MKTAG('2', 'V', 'u', 'y') },
     { PIX_FMT_UYVY422, MKTAG('A', 'V', 'U', 'I') }, /* FIXME merge both fields */
diff --git a/libavformat/isom.c b/libavformat/isom.c
index b0fdb84..30a0c81 100644
--- a/libavformat/isom.c
+++ b/libavformat/isom.c
@@ -87,6 +87,8 @@ const AVCodecTag ff_codec_movvideo_tags[] = {
     { CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'r', 'g') },
     { CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'y', 'v') },
     { CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
+    { CODEC_ID_RAWVIDEO, MKTAG('R', '4', '1', '1') },
+    { CODEC_ID_RAWVIDEO, MKTAG('R', '4', '2', '0') },
 
     { CODEC_ID_R10K,   MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
     { CODEC_ID_R10K,   MKTAG('R', '1', '0', 'g') }, /* UNCOMPRESSED 10BIT RGB */