diff --git a/include/wmcodecdsp.idl b/include/wmcodecdsp.idl
index 1f7024ee7d9..dcf28ab682c 100644
--- a/include/wmcodecdsp.idl
+++ b/include/wmcodecdsp.idl
@@ -24,6 +24,10 @@ cpp_quote("DEFINE_GUID(MEDIASUBTYPE_MSAUDIO1,0x00000160,0x0000,0x0010,0x80,0x00,
 cpp_quote("DEFINE_GUID(MEDIASUBTYPE_WMAUDIO2,0x00000161,0x0000,0x0010,0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71);")
 cpp_quote("DEFINE_GUID(MEDIASUBTYPE_WMAUDIO3,0x00000162,0x0000,0x0010,0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71);")
 cpp_quote("DEFINE_GUID(MEDIASUBTYPE_WMAUDIO_LOSSLESS,0x00000163,0x0000,0x0010,0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71);")
+cpp_quote("DEFINE_GUID(MEDIASUBTYPE_V216,0x36313256,0x0000,0x0010,0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71);")
+cpp_quote("DEFINE_GUID(MEDIASUBTYPE_V410,0x30313456,0x0000,0x0010,0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71);")
+cpp_quote("DEFINE_GUID(MEDIASUBTYPE_Y41T,0x54313459,0x0000,0x0010,0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71);")
+cpp_quote("DEFINE_GUID(MEDIASUBTYPE_Y42T,0x54323459,0x0000,0x0010,0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71);")
 
 [
     uuid(bbeea841-0a63-4f52-a7ab-a9b3a84ed38a)