Updated OpenVR SDK

- OpenVR SDK Updated to v1.10.30
- Fixed a crash when exiting OBS

plugins/win-openvr/data/win-openvr-presets.ini

@@ -1,4 +1,4 @@
 0.0,1.0,0.0,1.0,No cropping
 0.239,0.753,0.0,1.0,Full 16:9
 0.274,0.725,0.015,0.907,HTC Vive 16:9
-0.139,0.871,0.124,0.907,HTC Vive 1:1
+0.31,0.71,0.11,0.9015,Valve Index 16:9

plugins/win-openvr/win-openvr.cpp

@@ -70,6 +70,8 @@ struct win_openvr {
 	bool active;
 };
 
+bool IsVRSystemInitialized = false;
+
 static void win_openvr_init(void *data, bool forced = false)
 {
 	struct win_openvr *context = (win_openvr*)data;
@@ -78,7 +80,8 @@ static void win_openvr_init(void *data, bool forced = false)
 		return;
 
 	// Dont attempt to init OVR too often due to memory leak in VR_Init
-	if (GetTickCount() - 5000 < context->lastCheckTick && !forced)
+	// TODO: OpenVR v1.10.30 should no longer have the memory leak
+	if (GetTickCount() - 1000 < context->lastCheckTick && !forced)
 	{
 		return;
 	}
@@ -93,6 +96,7 @@ static void win_openvr_init(void *data, bool forced = false)
 		context->lastCheckTick = GetTickCount();
 		return;
 	}
+	IsVRSystemInitialized = true;
 
 	HRESULT hr;
 	D3D_FEATURE_LEVEL featureLevel;
@@ -194,7 +198,12 @@ static void win_openvr_deinit(void *data)
 	//vr::VRCompositor()->ReleaseMirrorTextureD3D11(context->mirrorSrv);
 	//context->mirrorSrv->Release();
 
-	vr::VR_Shutdown(); // Releases mirrorSrv
+	if (IsVRSystemInitialized)
+	{
+		IsVRSystemInitialized = false;
+		vr::VR_Shutdown(); // Releases mirrorSrv
+	}
+
 	if (context->ctx11)
 		context->ctx11->Release();
 	if (context->dev11)
@@ -342,20 +351,23 @@ static void win_openvr_tick(void *data, float seconds)
 	{
 		vr::VREvent_t e;
 
-		// added NULL check here cause it was causing crashes when switching scenes that had another OpenVR capture
-		if (vr::VRSystem() != NULL)
+		if ((vr::VRSystem() != NULL) && (IsVRSystemInitialized))
 		{
 			if (vr::VRSystem()->PollNextEvent(&e, sizeof(vr::VREvent_t)))
 			{
 				if (e.eventType == vr::VREvent_Quit)
 				{
-					vr::VRSystem()->AcknowledgeQuit_UserPrompt();
 					// Without this SteamVR will kill OBS process when it exits
-					// TODO: OBS process will still be killed in some cases by SteamVR
 					win_openvr_deinit(data);
 				}
 			}
 		}
+		else if (context->active)
+		{
+			context->initialized = false;
+			win_openvr_init(data);
+		}
+
 	}
 }