Add support for GFE 3.0.7

moonlight-common/src/com/limelight/nvstream/ConnectionContext.java

@@ -32,6 +32,9 @@ public class ConnectionContext {
 	
 	public int serverGeneration;
 	
+	// This is the version quad from the appversion tag of /serverinfo
+	public int[] serverAppVersion;
+	
 	public VideoFormat negotiatedVideoFormat;
 	public int negotiatedWidth, negotiatedHeight;
 	public int negotiatedFps;

moonlight-common/src/com/limelight/nvstream/NvConnection.java

@@ -105,7 +105,13 @@ public class NvConnection {
 		
 		String serverInfo = h.getServerInfo();
 		
-		int majorVersion = h.getServerMajorVersion(serverInfo);
+		context.serverAppVersion = h.getServerAppVersionQuad(serverInfo);
+		if (context.serverAppVersion == null) {
+			context.connListener.displayMessage("Server version malformed");
+			return false;
+		}
+
+		int majorVersion = context.serverAppVersion[0];
 		LimeLog.info("Server major version: "+majorVersion);
 		
 		if (majorVersion == 0) {
@@ -158,15 +164,22 @@ public class NvConnection {
 			// Lower resolution to 1080p
 			context.negotiatedWidth = 1920;
 			context.negotiatedHeight = 1080;
+			context.negotiatedFps = context.streamConfig.getRefreshRate();
+		}
+		else if (context.streamConfig.getHeight() >= 2160 && context.streamConfig.getRefreshRate() >= 60 && !h.supports4K60(serverInfo)) {
+			// Client wants 4K 60 FPS but the server can't do it
+			context.connListener.displayTransientMessage("Your GPU does not support 4K 60 FPS streaming. The stream will be 4K 30 FPS.");
+			
+			context.negotiatedWidth = context.streamConfig.getWidth();
+			context.negotiatedHeight = context.streamConfig.getHeight();
+			context.negotiatedFps = 30;
 		}
 		else {
 			// Take what the client wanted
 			context.negotiatedWidth = context.streamConfig.getWidth();
 			context.negotiatedHeight = context.streamConfig.getHeight();
-		}
-		
-		// For now, always take the client's FPS request
 			context.negotiatedFps = context.streamConfig.getRefreshRate();
+		}
 		
 		//
 		// Video stream format will be decided during the RTSP handshake

moonlight-common/src/com/limelight/nvstream/av/video/VideoDepacketizer.java

@@ -50,7 +50,13 @@ public class VideoDepacketizer {
 		this.controlListener = controlListener;
 		this.nominalPacketDataLength = nominalPacketSize - VideoPacket.HEADER_SIZE;
 		
-		if (context.serverGeneration >= ConnectionContext.SERVER_GENERATION_5) {
+		if ((context.serverAppVersion[0] > 7) ||
+			(context.serverAppVersion[0] == 7 && context.serverAppVersion[1] > 1) ||
+			(context.serverAppVersion[0] == 7 && context.serverAppVersion[1] == 1 && context.serverAppVersion[2] >= 320)) {
+			// Anything over 7.1.320 should use the 12 byte frame header
+			frameHeaderOffset = 12;
+		}
+		else if (context.serverGeneration >= ConnectionContext.SERVER_GENERATION_5) {
 			// Gen 5 servers have an 8 byte header in the data portion of the first
 			// packet of each frame
 			frameHeaderOffset = 8;

moonlight-common/src/com/limelight/nvstream/http/NvHTTP.java

@@ -403,6 +403,30 @@ public class NvHTTP {
 		return false;
 	}
 	
+	public boolean supports4K60(String serverInfo) throws XmlPullParserException, IOException {
+		// If we don't support 4K at all, bail early
+		if (!supports4K(serverInfo)) {
+			return false;
+		}
+		
+		// serverinfo returns supported resolutions in descending order, so getting the first
+		// refresh rate will give us whether we support 4K60. If this is 30, we don't support
+		// 4K 60 FPS.
+		String fpsStr = getXmlString(serverInfo, "RefreshRate");
+		if (fpsStr == null) {
+			return false;
+		}
+		
+		try {
+			if (Integer.parseInt(fpsStr) >= 60) {
+				// 4K supported and 60 FPS is the first entry
+				return true;
+			}
+		} catch (NumberFormatException ignored) {}
+		
+		return false;
+	}
+
 	public int getCurrentGame(String serverInfo) throws IOException, XmlPullParserException {
 		// GFE 2.8 started keeping currentgame set to the last game played. As a result, it no longer
 		// has the semantics that its name would indicate. To contain the effects of this change as much
@@ -548,16 +572,35 @@ public class NvHTTP {
 	}
 	
 	public int getServerMajorVersion(String serverInfo) throws XmlPullParserException, IOException {
-		try {
+		int[] appVersionQuad = getServerAppVersionQuad(serverInfo);
-			String serverVersion = getServerVersion(serverInfo);
+		if (appVersionQuad != null) {
-			if (serverVersion == null || serverVersion.indexOf('.') < 0) {
+			return appVersionQuad[0];
-				LimeLog.warning("Malformed server version field");
+		}
+		else {
 			return 0;
 		}
-			return Integer.parseInt(serverVersion.substring(0, serverVersion.indexOf('.')));
+	}
+	
+	public int[] getServerAppVersionQuad(String serverInfo) throws XmlPullParserException, IOException {
+		try {
+			String serverVersion = getServerVersion(serverInfo);
+			if (serverVersion == null) {
+				LimeLog.warning("Missing server version field");
+				return null;
+			}
+			String[] serverVersionSplit = serverVersion.split("\\.");
+			if (serverVersionSplit.length != 4) {
+				LimeLog.warning("Malformed server version field");
+				return null;
+			}
+			int[] ret = new int[serverVersionSplit.length];
+			for (int i = 0; i < ret.length; i++) {
+				ret[i] = Integer.parseInt(serverVersionSplit[i]);
+			}
+			return ret;
 		} catch (NumberFormatException e) {
 			e.printStackTrace();
-			return 0;
+			return null;
 		}
 	}