diff --git a/include/mfapi.h b/include/mfapi.h
index 0c5162755d4..f8414b73ff1 100644
--- a/include/mfapi.h
+++ b/include/mfapi.h
@@ -88,8 +88,6 @@ DEFINE_GUID(MF_MT_MAJOR_TYPE,          0x48eba18e, 0xf8c9, 0x4687, 0xbf, 0x11, 0
 DEFINE_GUID(MF_MT_PIXEL_ASPECT_RATIO,  0xc6376a1e, 0x8d0a, 0x4027, 0xbe, 0x45, 0x6d, 0x9a, 0x0a, 0xd3, 0x9b, 0xb6);
 DEFINE_GUID(MF_MT_SUBTYPE,             0xf7e34c9a, 0x42e8, 0x4714, 0xb7, 0x4b, 0xcb, 0x29, 0xd7, 0x2c, 0x35, 0xe5);
 
-DEFINE_GUID(MFMediaType_Video,         0x73646976, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
-
 DEFINE_GUID(MFT_CATEGORY_VIDEO_DECODER,   0xd6c02d4b, 0x6833, 0x45b4, 0x97, 0x1a, 0x05, 0xa4, 0xb0, 0x4b, 0xab, 0x91);
 DEFINE_GUID(MFT_CATEGORY_VIDEO_ENCODER,   0xf79eac7d, 0xe545, 0x4387, 0xbd, 0xee, 0xd6, 0x47, 0xd7, 0xbd, 0xe4, 0x2a);
 DEFINE_GUID(MFT_CATEGORY_VIDEO_EFFECT,    0x12e17c21, 0x532c, 0x4a6e, 0x8a, 0x1c, 0x40, 0x82, 0x5a, 0x73, 0x63, 0x97);
@@ -101,6 +99,21 @@ DEFINE_GUID(MFT_CATEGORY_AUDIO_EFFECT,    0x11064c48, 0x3648, 0x4ed0, 0x93, 0x2e
 DEFINE_GUID(MFT_CATEGORY_VIDEO_PROCESSOR, 0x302ea3fc, 0xaa5f, 0x47f9, 0x9f, 0x7a, 0xc2, 0x18, 0x8b, 0xb1, 0x63, 0x02);
 DEFINE_GUID(MFT_CATEGORY_OTHER,           0x90175d57, 0xb7ea, 0x4901, 0xae, 0xb3, 0x93, 0x3a, 0x87, 0x47, 0x75, 0x6f);
 
+DEFINE_GUID(MFMediaType_Audio,             0x73647561, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
+DEFINE_GUID(MFMediaType_Binary,            0x72178c25, 0xe45b, 0x11d5, 0xbc, 0x2a, 0x00, 0xb0, 0xd0, 0xf3, 0xf4, 0xab);
+DEFINE_GUID(MFMediaType_Default,           0x81a412e6, 0x8103, 0x4b06, 0x85, 0x7f, 0x18, 0x62, 0x78, 0x10, 0x24, 0xac);
+DEFINE_GUID(MFMediaType_FileTransfer,      0x72178c26, 0xe45b, 0x11d5, 0xbc, 0x2a, 0x00, 0xb0, 0xd0, 0xf3, 0xf4, 0xab);
+DEFINE_GUID(MFMediaType_HTML,              0x72178c24, 0xe45b, 0x11d5, 0xbc, 0x2a, 0x00, 0xb0, 0xd0, 0xf3, 0xf4, 0xab);
+DEFINE_GUID(MFMediaType_Image,             0x72178c23, 0xe45b, 0x11d5, 0xbc, 0x2a, 0x00, 0xb0, 0xd0, 0xf3, 0xf4, 0xab);
+DEFINE_GUID(MFMediaType_MultiplexedFrames, 0x6ea542b0, 0x281f, 0x4231, 0xa4, 0x64, 0xfe, 0x2f, 0x50, 0x22, 0x50, 0x1c);
+DEFINE_GUID(MFMediaType_Perception,        0x597ff6f9, 0x6ea2, 0x4670, 0x85, 0xb4, 0xea, 0x84, 0x07, 0x3f, 0xe9, 0x40);
+DEFINE_GUID(MFMediaType_Protected,         0x7b4b6fe6, 0x9d04, 0x4494, 0xbe, 0x14, 0x7e, 0x0b, 0xd0, 0x76, 0xc8, 0xe4);
+DEFINE_GUID(MFMediaType_SAMI,              0xe69669a0, 0x3dcd, 0x40cb, 0x9e, 0x2e, 0x37, 0x08, 0x38, 0x7c, 0x06, 0x16);
+DEFINE_GUID(MFMediaType_Script,            0x72178c22, 0xe45b, 0x11d5, 0xbc, 0x2a, 0x00, 0xb0, 0xd0, 0xf3, 0xf4, 0xab);
+DEFINE_GUID(MFMediaType_Stream,            0xe436eb83, 0x524f, 0x11ce, 0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70);
+DEFINE_GUID(MFMediaType_Subtitle,          0xa6d13581, 0xed50, 0x4e65, 0xae, 0x08, 0x26, 0x06, 0x55, 0x76, 0xaa, 0xcc);
+DEFINE_GUID(MFMediaType_Video,             0x73646976, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
+
 typedef unsigned __int64 MFWORKITEM_KEY;
 
 typedef enum