include: Add Media Engine events constants.

include/mfmediaengine.idl

@@ -94,6 +94,49 @@ typedef enum MF_MEDIA_ENGINE_CREATEFLAGS
     MF_MEDIA_ENGINE_CREATEFLAGS_MASK = 0x1f
 } MF_MEDIA_ENGINE_CREATEFLAGS;
 
+typedef enum MF_MEDIA_ENGINE_EVENT
+{
+    MF_MEDIA_ENGINE_EVENT_LOADSTART = 1,
+    MF_MEDIA_ENGINE_EVENT_PROGRESS = 2,
+    MF_MEDIA_ENGINE_EVENT_SUSPEND = 3,
+    MF_MEDIA_ENGINE_EVENT_ABORT = 4,
+    MF_MEDIA_ENGINE_EVENT_ERROR = 5,
+    MF_MEDIA_ENGINE_EVENT_EMPTIED = 6,
+    MF_MEDIA_ENGINE_EVENT_STALLED = 7,
+    MF_MEDIA_ENGINE_EVENT_PLAY = 8,
+    MF_MEDIA_ENGINE_EVENT_PAUSE = 9,
+    MF_MEDIA_ENGINE_EVENT_LOADEDMETADATA = 10,
+    MF_MEDIA_ENGINE_EVENT_LOADEDDATA = 11,
+    MF_MEDIA_ENGINE_EVENT_WAITING = 12,
+    MF_MEDIA_ENGINE_EVENT_PLAYING = 13,
+    MF_MEDIA_ENGINE_EVENT_CANPLAY = 14,
+    MF_MEDIA_ENGINE_EVENT_CANPLAYTHROUGH = 15,
+    MF_MEDIA_ENGINE_EVENT_SEEKING = 16,
+    MF_MEDIA_ENGINE_EVENT_SEEKED = 17,
+    MF_MEDIA_ENGINE_EVENT_TIMEUPDATE = 18,
+    MF_MEDIA_ENGINE_EVENT_ENDED = 19,
+    MF_MEDIA_ENGINE_EVENT_RATECHANGE = 20,
+    MF_MEDIA_ENGINE_EVENT_DURATIONCHANGE = 21,
+    MF_MEDIA_ENGINE_EVENT_VOLUMECHANGE = 22,
+    MF_MEDIA_ENGINE_EVENT_FORMATCHANGE = 1000,
+    MF_MEDIA_ENGINE_EVENT_PURGEQUEUEDEVENTS  = 1001,
+    MF_MEDIA_ENGINE_EVENT_TIMELINE_MARKER = 1002,
+    MF_MEDIA_ENGINE_EVENT_BALANCECHANGE = 1003,
+    MF_MEDIA_ENGINE_EVENT_DOWNLOADCOMPLETE = 1004,
+    MF_MEDIA_ENGINE_EVENT_BUFFERINGSTARTED = 1005,
+    MF_MEDIA_ENGINE_EVENT_BUFFERINGENDED = 1006,
+    MF_MEDIA_ENGINE_EVENT_FRAMESTEPCOMPLETED = 1007,
+    MF_MEDIA_ENGINE_EVENT_NOTIFYSTABLESTATE = 1008,
+    MF_MEDIA_ENGINE_EVENT_FIRSTFRAMEREADY = 1009,
+    MF_MEDIA_ENGINE_EVENT_TRACKSCHANGE = 1010,
+    MF_MEDIA_ENGINE_EVENT_OPMINFO = 1011,
+    MF_MEDIA_ENGINE_EVENT_RESOURCELOST = 1012,
+    MF_MEDIA_ENGINE_EVENT_DELAYLOADEVENT_CHANGED = 1013,
+    MF_MEDIA_ENGINE_EVENT_STREAMRENDERINGERROR = 1014,
+    MF_MEDIA_ENGINE_EVENT_SUPPORTEDRATES_CHANGED = 1015,
+    MF_MEDIA_ENGINE_EVENT_AUDIOENDPOINTCHANGE = 1016,
+} MF_MEDIA_ENGINE_EVENT;
+
 [
     object,
     uuid(fc0e10d2-ab2a-4501-a951-06bb1075184c),