Add an Xbox One controller driver developed based on the xpad driver in the Linux kernel

app/src/main/AndroidManifest.xml

@@ -81,6 +81,9 @@
         <service
             android:name=".computers.ComputerManagerService"
             android:label="Computer Management Service" />
+        <service
+            android:name=".binding.input.driver.UsbDriverService"
+            android:label="Usb Driver Service" />
     </application>
 
 </manifest>

app/src/main/java/com/limelight/Game.java

@@ -5,6 +5,7 @@ import com.limelight.binding.PlatformBinding;
 import com.limelight.binding.input.ControllerHandler;
 import com.limelight.binding.input.KeyboardTranslator;
 import com.limelight.binding.input.TouchContext;
+import com.limelight.binding.input.driver.UsbDriverService;
 import com.limelight.binding.input.evdev.EvdevListener;
 import com.limelight.binding.input.evdev.EvdevWatcher;
 import com.limelight.binding.video.ConfigurableDecoderRenderer;
@@ -22,7 +23,11 @@ import com.limelight.utils.SpinnerDialog;
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
+import android.app.Service;
+import android.content.ComponentName;
 import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
 import android.content.res.Configuration;
 import android.graphics.Point;
 import android.hardware.input.InputManager;
@@ -31,6 +36,7 @@ import android.net.ConnectivityManager;
 import android.net.wifi.WifiManager;
 import android.os.Bundle;
 import android.os.Handler;
+import android.os.IBinder;
 import android.os.SystemClock;
 import android.view.Display;
 import android.view.InputDevice;
@@ -92,6 +98,21 @@ public class Game extends Activity implements SurfaceHolder.Callback,
 
     private int drFlags = 0;
 
+    private boolean connectedToUsbDriverService = false;
+    private ServiceConnection usbDriverServiceConnection = new ServiceConnection() {
+        @Override
+        public void onServiceConnected(ComponentName componentName, IBinder iBinder) {
+            UsbDriverService.UsbDriverBinder binder = (UsbDriverService.UsbDriverBinder) iBinder;
+            binder.setListener(controllerHandler);
+            connectedToUsbDriverService = true;
+        }
+
+        @Override
+        public void onServiceDisconnected(ComponentName componentName) {
+            connectedToUsbDriverService = false;
+        }
+    };
+
     public static final String EXTRA_HOST = "Host";
     public static final String EXTRA_APP_NAME = "AppName";
     public static final String EXTRA_APP_ID = "AppId";
@@ -248,6 +269,12 @@ public class Game extends Activity implements SurfaceHolder.Callback,
             evdevWatcher.start();
         }
 
+        if (prefConfig.usbDriver) {
+            // Start the USB driver
+            bindService(new Intent(this, UsbDriverService.class),
+                    usbDriverServiceConnection, Service.BIND_AUTO_CREATE);
+        }
+
         // The connection will be started when the surface gets created
         sh.addCallback(this);
     }
@@ -315,6 +342,13 @@ public class Game extends Activity implements SurfaceHolder.Callback,
         InputManager inputManager = (InputManager) getSystemService(Context.INPUT_SERVICE);
         inputManager.unregisterInputDeviceListener(controllerHandler);
 
+        wifiLock.release();
+
+        if (connectedToUsbDriverService) {
+            // Unbind from the discovery service
+            unbindService(usbDriverServiceConnection);
+        }
+
         displayedFailureDialog = true;
         stopConnection();
 
@@ -338,13 +372,6 @@ public class Game extends Activity implements SurfaceHolder.Callback,
         finish();
     }
 
-    @Override
-    protected void onDestroy() {
-        super.onDestroy();
-
-        wifiLock.release();
-    }
-
     private final Runnable toggleGrab = new Runnable() {
         @Override
         public void run() {

app/src/main/java/com/limelight/binding/input/ControllerHandler.java

@@ -8,12 +8,13 @@ import android.view.KeyEvent;
 import android.view.MotionEvent;
 
 import com.limelight.LimeLog;
+import com.limelight.binding.input.driver.UsbDriverListener;
 import com.limelight.nvstream.NvConnection;
 import com.limelight.nvstream.input.ControllerPacket;
 import com.limelight.ui.GameGestures;
 import com.limelight.utils.Vector2d;
 
-public class ControllerHandler implements InputManager.InputDeviceListener {
+public class ControllerHandler implements InputManager.InputDeviceListener, UsbDriverListener {
 
     private static final int MAXIMUM_BUMPER_UP_DELAY_MS = 100;
 
@@ -29,11 +30,12 @@ public class ControllerHandler implements InputManager.InputDeviceListener {
 
     private final Vector2d inputVector = new Vector2d();
 
-    private final SparseArray<ControllerContext> contexts = new SparseArray<ControllerContext>();
+    private final SparseArray<InputDeviceContext> inputDeviceContexts = new SparseArray<>();
+    private final SparseArray<UsbDeviceContext> usbDeviceContexts = new SparseArray<>();
 
     private final NvConnection conn;
     private final double stickDeadzone;
-    private final ControllerContext defaultContext = new ControllerContext();
+    private final InputDeviceContext defaultContext = new InputDeviceContext();
     private final GameGestures gestures;
     private boolean hasGameController;
 
@@ -102,11 +104,11 @@ public class ControllerHandler implements InputManager.InputDeviceListener {
 
     @Override
     public void onInputDeviceRemoved(int deviceId) {
-        ControllerContext context = contexts.get(deviceId);
+        InputDeviceContext context = inputDeviceContexts.get(deviceId);
         if (context != null) {
             LimeLog.info("Removed controller: "+context.name+" ("+deviceId+")");
             releaseControllerNumber(context);
-            contexts.remove(deviceId);
+            inputDeviceContexts.remove(deviceId);
         }
     }
 
@@ -117,7 +119,7 @@ public class ControllerHandler implements InputManager.InputDeviceListener {
         onInputDeviceAdded(deviceId);
     }
 
-    private void releaseControllerNumber(ControllerContext context) {
+    private void releaseControllerNumber(GenericControllerContext context) {
         if (context.reservedControllerNumber) {
             LimeLog.info("Controller number "+context.controllerNumber+" is now available");
             currentControllers &= ~(1 << context.controllerNumber);
@@ -126,42 +128,78 @@ public class ControllerHandler implements InputManager.InputDeviceListener {
 
     // Called before sending input but after we've determined that this
     // is definitely a controller (not a keyboard, mouse, or something else)
-    private void assignControllerNumberIfNeeded(ControllerContext context) {
+    private void assignControllerNumberIfNeeded(GenericControllerContext context) {
         if (context.assignedControllerNumber) {
             return;
         }
 
-        LimeLog.info(context.name+" ("+context.id+") needs a controller number assigned");
-        if (context.name != null && context.name.contains("gpio-keys")) {
-            // This is the back button on Shield portable consoles
-            LimeLog.info("Built-in buttons hardcoded as controller 0");
-            context.controllerNumber = 0;
-        }
-        else if (multiControllerEnabled && context.hasJoystickAxes) {
-            context.controllerNumber = 0;
+        if (context instanceof InputDeviceContext) {
+            InputDeviceContext devContext = (InputDeviceContext) context;
 
-            LimeLog.info("Reserving the next available controller number");
-            for (short i = 0; i < 4; i++) {
-                if ((currentControllers & (1 << i)) == 0) {
-                    // Found an unused controller value
-                    currentControllers |= (1 << i);
-                    context.controllerNumber = i;
-                    context.reservedControllerNumber = true;
-                    break;
+            LimeLog.info(devContext.name+" ("+context.id+") needs a controller number assigned");
+            if (devContext.name != null && devContext.name.contains("gpio-keys")) {
+                // This is the back button on Shield portable consoles
+                LimeLog.info("Built-in buttons hardcoded as controller 0");
+                context.controllerNumber = 0;
+            }
+            else if (multiControllerEnabled && devContext.hasJoystickAxes) {
+                context.controllerNumber = 0;
+
+                LimeLog.info("Reserving the next available controller number");
+                for (short i = 0; i < 4; i++) {
+                    if ((currentControllers & (1 << i)) == 0) {
+                        // Found an unused controller value
+                        currentControllers |= (1 << i);
+                        context.controllerNumber = i;
+                        context.reservedControllerNumber = true;
+                        break;
+                    }
                 }
             }
+            else {
+                LimeLog.info("Not reserving a controller number");
+                context.controllerNumber = 0;
+            }
         }
         else {
-            LimeLog.info("Not reserving a controller number");
-            context.controllerNumber = 0;
+            if (multiControllerEnabled) {
+                context.controllerNumber = 0;
+
+                LimeLog.info("Reserving the next available controller number");
+                for (short i = 0; i < 4; i++) {
+                    if ((currentControllers & (1 << i)) == 0) {
+                        // Found an unused controller value
+                        currentControllers |= (1 << i);
+                        context.controllerNumber = i;
+                        context.reservedControllerNumber = true;
+                        break;
+                    }
+                }
+            }
+            else {
+                LimeLog.info("Not reserving a controller number");
+                context.controllerNumber = 0;
+            }
         }
 
         LimeLog.info("Assigned as controller "+context.controllerNumber);
         context.assignedControllerNumber = true;
     }
 
-    private ControllerContext createContextForDevice(InputDevice dev) {
-        ControllerContext context = new ControllerContext();
+    private UsbDeviceContext createUsbDeviceContextForDevice(int deviceId) {
+        UsbDeviceContext context = new UsbDeviceContext();
+
+        context.id = deviceId;
+
+        context.leftStickDeadzoneRadius = (float) stickDeadzone;
+        context.rightStickDeadzoneRadius = (float) stickDeadzone;
+        context.triggerDeadzone = 0.13f;
+
+        return context;
+    }
+
+    private InputDeviceContext createInputDeviceContextForDevice(InputDevice dev) {
+        InputDeviceContext context = new InputDeviceContext();
         String devName = dev.getName();
 
         LimeLog.info("Creating controller context for device: "+devName);
@@ -332,26 +370,26 @@ public class ControllerHandler implements InputManager.InputDeviceListener {
         return context;
     }
 
-    private ControllerContext getContextForDevice(InputDevice dev) {
+    private InputDeviceContext getContextForDevice(InputDevice dev) {
         // Unknown devices use the default context
         if (dev == null) {
             return defaultContext;
         }
 
         // Return the existing context if it exists
-        ControllerContext context = contexts.get(dev.getId());
+        InputDeviceContext context = inputDeviceContexts.get(dev.getId());
         if (context != null) {
             return context;
         }
 
         // Otherwise create a new context
-        context = createContextForDevice(dev);
-        contexts.put(dev.getId(), context);
+        context = createInputDeviceContextForDevice(dev);
+        inputDeviceContexts.put(dev.getId(), context);
 
         return context;
     }
 
-    private void sendControllerInputPacket(ControllerContext context) {
+    private void sendControllerInputPacket(GenericControllerContext context) {
         assignControllerNumberIfNeeded(context);
         conn.sendControllerInput(context.controllerNumber, context.inputMap,
                 context.leftTrigger, context.rightTrigger,
@@ -361,7 +399,7 @@ public class ControllerHandler implements InputManager.InputDeviceListener {
 
     // Return a valid keycode, 0 to consume, or -1 to not consume the event
     // Device MAY BE NULL
-    private int handleRemapping(ControllerContext context, KeyEvent event) {
+    private int handleRemapping(InputDeviceContext context, KeyEvent event) {
         // Don't capture the back button if configured
         if (context.ignoreBack) {
             if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) {
@@ -499,7 +537,7 @@ public class ControllerHandler implements InputManager.InputDeviceListener {
         // evaluates the deadzone.
     }
 
-    private void handleAxisSet(ControllerContext context, float lsX, float lsY, float rsX,
+    private void handleAxisSet(InputDeviceContext context, float lsX, float lsY, float rsX,
                                float rsY, float lt, float rt, float hatX, float hatY) {
 
         if (context.leftStickXAxis != -1 && context.leftStickYAxis != -1) {
@@ -559,7 +597,7 @@ public class ControllerHandler implements InputManager.InputDeviceListener {
     }
 
     public boolean handleMotionEvent(MotionEvent event) {
-        ControllerContext context = getContextForDevice(event.getDevice());
+        InputDeviceContext context = getContextForDevice(event.getDevice());
         float lsX = 0, lsY = 0, rsX = 0, rsY = 0, rt = 0, lt = 0, hatX = 0, hatY = 0;
 
         // We purposefully ignore the historical values in the motion event as it makes
@@ -591,7 +629,7 @@ public class ControllerHandler implements InputManager.InputDeviceListener {
     }
 
     public boolean handleButtonUp(KeyEvent event) {
-        ControllerContext context = getContextForDevice(event.getDevice());
+        InputDeviceContext context = getContextForDevice(event.getDevice());
 
         int keyCode = handleRemapping(context, event);
         if (keyCode == 0) {
@@ -716,7 +754,7 @@ public class ControllerHandler implements InputManager.InputDeviceListener {
     }
 
     public boolean handleButtonDown(KeyEvent event) {
-        ControllerContext context = getContextForDevice(event.getDevice());
+        InputDeviceContext context = getContextForDevice(event.getDevice());
 
         int keyCode = handleRemapping(context, event);
         if (keyCode == 0) {
@@ -816,34 +854,65 @@ public class ControllerHandler implements InputManager.InputDeviceListener {
         return true;
     }
 
-    class ControllerContext {
-        public String name;
+    @Override
+    public void reportControllerState(int controllerId, short buttonFlags,
+                                      float leftStickX, float leftStickY,
+                                      float rightStickX, float rightStickY,
+                                      float leftTrigger, float rightTrigger) {
+        UsbDeviceContext context = usbDeviceContexts.get(controllerId);
+
+        Vector2d leftStickVector = populateCachedVector(leftStickX, leftStickY);
+
+        handleDeadZone(leftStickVector, context.leftStickDeadzoneRadius);
+
+        context.leftStickX = (short) (leftStickVector.getX() * 0x7FFE);
+        context.leftStickY = (short) (-leftStickVector.getY() * 0x7FFE);
+
+        Vector2d rightStickVector = populateCachedVector(rightStickX, rightStickY);
+
+        handleDeadZone(rightStickVector, context.rightStickDeadzoneRadius);
+
+        context.rightStickX = (short) (rightStickVector.getX() * 0x7FFE);
+        context.rightStickY = (short) (-rightStickVector.getY() * 0x7FFE);
+
+        if (leftTrigger <= context.triggerDeadzone) {
+            leftTrigger = 0;
+        }
+        if (rightTrigger <= context.triggerDeadzone) {
+            rightTrigger = 0;
+        }
+
+        context.leftTrigger = (byte)(leftTrigger * 0xFF);
+        context.rightTrigger = (byte)(rightTrigger * 0xFF);
+
+        context.inputMap = buttonFlags;
+
+        sendControllerInputPacket(context);
+    }
+
+    @Override
+    public void deviceRemoved(int controllerId) {
+        UsbDeviceContext context = usbDeviceContexts.get(controllerId);
+        if (context != null) {
+            LimeLog.info("Removed controller: "+controllerId);
+            releaseControllerNumber(context);
+            usbDeviceContexts.remove(controllerId);
+        }
+    }
+
+    @Override
+    public void deviceAdded(int controllerId) {
+        UsbDeviceContext context = createUsbDeviceContextForDevice(controllerId);
+        usbDeviceContexts.put(controllerId, context);
+    }
+
+    class GenericControllerContext {
         public int id;
 
-        public int leftStickXAxis = -1;
-        public int leftStickYAxis = -1;
         public float leftStickDeadzoneRadius;
-
-        public int rightStickXAxis = -1;
-        public int rightStickYAxis = -1;
         public float rightStickDeadzoneRadius;
-
-        public int leftTriggerAxis = -1;
-        public int rightTriggerAxis = -1;
-        public boolean triggersIdleNegative;
         public float triggerDeadzone;
 
-        public int hatXAxis = -1;
-        public int hatYAxis = -1;
-
-        public boolean isDualShock4;
-        public boolean isXboxController;
-        public boolean isServal;
-        public boolean backIsStart;
-        public boolean modeIsSelect;
-        public boolean ignoreBack;
-        public boolean hasJoystickAxes;
-
         public boolean assignedControllerNumber;
         public boolean reservedControllerNumber;
         public short controllerNumber;
@@ -855,6 +924,32 @@ public class ControllerHandler implements InputManager.InputDeviceListener {
         public short rightStickY = 0x0000;
         public short leftStickX = 0x0000;
         public short leftStickY = 0x0000;
+    }
+
+    class InputDeviceContext extends GenericControllerContext {
+        public String name;
+
+        public int leftStickXAxis = -1;
+        public int leftStickYAxis = -1;
+
+        public int rightStickXAxis = -1;
+        public int rightStickYAxis = -1;
+
+        public int leftTriggerAxis = -1;
+        public int rightTriggerAxis = -1;
+        public boolean triggersIdleNegative;
+
+        public int hatXAxis = -1;
+        public int hatYAxis = -1;
+
+        public boolean isDualShock4;
+        public boolean isXboxController;
+        public boolean isServal;
+        public boolean backIsStart;
+        public boolean modeIsSelect;
+        public boolean ignoreBack;
+        public boolean hasJoystickAxes;
+
         public int emulatingButtonFlags = 0;
 
         // Used for OUYA bumper state tracking since they force all buttons
@@ -867,4 +962,6 @@ public class ControllerHandler implements InputManager.InputDeviceListener {
 
         public long startDownTime = 0;
     }
+
+    class UsbDeviceContext extends GenericControllerContext {}
 }

app/src/main/java/com/limelight/binding/input/driver/UsbDriverListener.java

@@ -0,0 +1,11 @@
+package com.limelight.binding.input.driver;
+
+public interface UsbDriverListener {
+    void reportControllerState(int controllerId, short buttonFlags,
+                               float leftStickX, float leftStickY,
+                               float rightStickX, float rightStickY,
+                               float leftTrigger, float rightTrigger);
+
+    void deviceRemoved(int controllerId);
+    void deviceAdded(int controllerId);
+}

app/src/main/java/com/limelight/binding/input/driver/UsbDriverService.java

@@ -0,0 +1,135 @@
+package com.limelight.binding.input.driver;
+
+import android.app.PendingIntent;
+import android.app.Service;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.hardware.usb.UsbDevice;
+import android.hardware.usb.UsbDeviceConnection;
+import android.hardware.usb.UsbManager;
+import android.os.Binder;
+import android.os.IBinder;
+
+import java.util.ArrayList;
+
+public class UsbDriverService extends Service {
+
+    private static final String ACTION_USB_PERMISSION =
+            "com.limelight.USB_PERMISSION";
+
+    private UsbManager usbManager;
+
+    private final UsbEventReceiver receiver = new UsbEventReceiver();
+    private final UsbDriverBinder binder = new UsbDriverBinder();
+
+    private final ArrayList<XboxOneController> controllers = new ArrayList<>();
+
+    private UsbDriverListener listener;
+    private static int nextDeviceId;
+
+    public class UsbEventReceiver extends BroadcastReceiver {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            String action = intent.getAction();
+
+            // Initial attachment broadcast
+            if (action.equals(UsbManager.ACTION_USB_DEVICE_ATTACHED)) {
+                UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
+
+                // Continue the state machine
+                handleUsbDeviceState(device);
+            }
+            // Subsequent permission dialog completion intent
+            else if (action.equals(ACTION_USB_PERMISSION)) {
+                UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
+
+                // If we got this far, we've already found we're able to handle this device
+                if (intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false)) {
+                    handleUsbDeviceState(device);
+                }
+            }
+        }
+    }
+
+    public class UsbDriverBinder extends Binder {
+        public void setListener(UsbDriverListener listener) {
+            UsbDriverService.this.listener = listener;
+            updateListeners();
+        }
+    }
+
+    private void updateListeners() {
+        for (XboxOneController controller : controllers) {
+            controller.setListener(listener);
+        }
+    }
+
+    private void handleUsbDeviceState(UsbDevice device) {
+        // Are we able to operate it?
+        if (XboxOneController.canClaimDevice(device)) {
+            // Do we have permission yet?
+            if (!usbManager.hasPermission(device)) {
+                // Let's ask for permission
+                usbManager.requestPermission(device, PendingIntent.getBroadcast(UsbDriverService.this, 0, new Intent(ACTION_USB_PERMISSION), 0));
+                return;
+            }
+
+            // Open the device
+            UsbDeviceConnection connection = usbManager.openDevice(device);
+
+            // Try to initialize it
+            XboxOneController controller = new XboxOneController(device, connection, nextDeviceId++);
+            if (!controller.start()) {
+                connection.close();
+                return;
+            }
+
+            // Add to the list
+            controllers.add(controller);
+
+            // Add listener
+            updateListeners();
+        }
+    }
+
+    @Override
+    public void onCreate() {
+        usbManager = (UsbManager) getSystemService(Context.USB_SERVICE);
+
+        // Register for USB attach broadcasts and permission completions
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED);
+        filter.addAction(ACTION_USB_PERMISSION);
+        registerReceiver(receiver, filter);
+
+        // Enumerate existing devices
+        for (UsbDevice dev : usbManager.getDeviceList().values()) {
+            if (XboxOneController.canClaimDevice(dev)) {
+                // Start the process of claiming this device
+                handleUsbDeviceState(dev);
+            }
+        }
+    }
+
+    @Override
+    public void onDestroy() {
+        // Stop the attachment receiver
+        unregisterReceiver(receiver);
+
+        // Remove all listeners
+        listener = null;
+        updateListeners();
+
+        // Stop all controllers
+        for (XboxOneController controller : controllers) {
+            controller.stop();
+        }
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return binder;
+    }
+}

app/src/main/java/com/limelight/binding/input/driver/XboxOneController.java

@@ -0,0 +1,231 @@
+package com.limelight.binding.input.driver;
+
+import android.hardware.usb.UsbConstants;
+import android.hardware.usb.UsbDevice;
+import android.hardware.usb.UsbDeviceConnection;
+import android.hardware.usb.UsbEndpoint;
+import android.hardware.usb.UsbInterface;
+import android.media.MediaCodec;
+
+import com.limelight.LimeLog;
+import com.limelight.binding.video.MediaCodecHelper;
+import com.limelight.nvstream.input.ControllerPacket;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+
+public class XboxOneController {
+    private final UsbDevice device;
+    private final UsbDeviceConnection connection;
+    private final int deviceId;
+
+    private Thread inputThread;
+    private UsbDriverListener listener;
+    private boolean stopped;
+
+    private short buttonFlags;
+    private float leftTrigger, rightTrigger;
+    private float rightStickX, rightStickY;
+    private float leftStickX, leftStickY;
+
+    private static final int MICROSOFT_VID = 0x045e;
+    private static final int XB1_IFACE_SUBCLASS = 71;
+    private static final int XB1_IFACE_PROTOCOL = 208;
+
+    // FIXME: odata_serial
+    private static final byte[] XB1_INIT_DATA = {0x05, 0x20, 0x00, 0x01, 0x00};
+
+    public XboxOneController(UsbDevice device, UsbDeviceConnection connection, int deviceId) {
+        this.device = device;
+        this.connection = connection;
+        this.deviceId = deviceId;
+    }
+
+    public void setListener(UsbDriverListener listener) {
+        this.listener = listener;
+
+        if (listener != null) {
+            listener.deviceAdded(deviceId);
+        }
+    }
+
+    private void setButtonFlag(int buttonFlag, int data) {
+        if (data != 0) {
+            buttonFlags |= buttonFlag;
+        }
+        else {
+            buttonFlags &= ~buttonFlag;
+        }
+    }
+
+    private void reportInput() {
+        if (listener != null) {
+            listener.reportControllerState(deviceId, buttonFlags, leftStickX, leftStickY,
+                    rightStickX, rightStickY, leftTrigger, rightTrigger);
+        }
+    }
+
+    private void processButtons(ByteBuffer buffer) {
+        byte b = buffer.get();
+
+        setButtonFlag(ControllerPacket.PLAY_FLAG, b & 0x04);
+        setButtonFlag(ControllerPacket.BACK_FLAG, b & 0x08);
+
+        setButtonFlag(ControllerPacket.A_FLAG, b & 0x10);
+        setButtonFlag(ControllerPacket.B_FLAG, b & 0x20);
+        setButtonFlag(ControllerPacket.X_FLAG, b & 0x40);
+        setButtonFlag(ControllerPacket.Y_FLAG, b & 0x80);
+
+        b = buffer.get();
+        setButtonFlag(ControllerPacket.LEFT_FLAG, b & 0x04);
+        setButtonFlag(ControllerPacket.RIGHT_FLAG, b & 0x08);
+        setButtonFlag(ControllerPacket.UP_FLAG, b & 0x01);
+        setButtonFlag(ControllerPacket.DOWN_FLAG, b & 0x02);
+
+        setButtonFlag(ControllerPacket.LB_FLAG, b & 0x10);
+        setButtonFlag(ControllerPacket.RB_FLAG, b & 0x20);
+
+        setButtonFlag(ControllerPacket.LS_CLK_FLAG, b & 0x40);
+        setButtonFlag(ControllerPacket.RS_CLK_FLAG, b & 0x80);
+
+        leftTrigger = buffer.getShort() / 1023.0f;
+        rightTrigger = buffer.getShort() / 1023.0f;
+
+        leftStickX = buffer.getShort() / 32767.0f;
+        leftStickY = ~buffer.getShort() / 32767.0f;
+
+        rightStickX = buffer.getShort() / 32767.0f;
+        rightStickY = ~buffer.getShort() / 32767.0f;
+
+        reportInput();
+    }
+
+    private void processPacket(ByteBuffer buffer) {
+        switch (buffer.get())
+        {
+            case 0x20:
+                buffer.position(buffer.position()+3);
+                processButtons(buffer);
+                break;
+
+            case 0x07:
+                buffer.position(buffer.position() + 3);
+                setButtonFlag(ControllerPacket.SPECIAL_BUTTON_FLAG, buffer.get() & 0x01);
+                reportInput();
+                break;
+        }
+    }
+
+    private void startInputThread(final UsbEndpoint inEndpt) {
+        inputThread = new Thread() {
+            public void run() {
+                while (!isInterrupted() && !stopped) {
+                    byte[] buffer = new byte[64];
+
+                    int res;
+
+                    //
+                    // There's no way that I can tell to determine if a device has failed
+                    // or if the timeout has simply expired. We'll check how long the transfer
+                    // took to fail and assume the device failed if it happened before the timeout
+                    // expired.
+                    //
+
+                    do {
+                        // Read the next input state packet
+                        long lastMillis = MediaCodecHelper.getMonotonicMillis();
+                        res = connection.bulkTransfer(inEndpt, buffer, buffer.length, 3000);
+                        if (res == -1 && MediaCodecHelper.getMonotonicMillis() - lastMillis < 1000) {
+                            LimeLog.warning("Detected device I/O error");
+                            XboxOneController.this.stop();
+                            break;
+                        }
+                    } while (res == -1 && !isInterrupted() && !stopped);
+
+                    if (res == -1 || stopped) {
+                        break;
+                    }
+
+                    processPacket(ByteBuffer.wrap(buffer, 0, res).order(ByteOrder.LITTLE_ENDIAN));
+                }
+            }
+        };
+        inputThread.setName("Xbox One Controller - Input Thread");
+        inputThread.start();
+    }
+
+    public boolean start() {
+        // Force claim all interfaces
+        for (int i = 0; i < device.getInterfaceCount(); i++) {
+            UsbInterface iface = device.getInterface(i);
+
+            if (!connection.claimInterface(iface, true)) {
+                LimeLog.warning("Failed to claim interfaces");
+                return false;
+            }
+        }
+
+        // Find the endpoints
+        UsbEndpoint outEndpt = null;
+        UsbEndpoint inEndpt = null;
+        UsbInterface iface = device.getInterface(0);
+        for (int i = 0; i < iface.getEndpointCount(); i++) {
+            UsbEndpoint endpt = iface.getEndpoint(i);
+            if (endpt.getDirection() == UsbConstants.USB_DIR_IN) {
+                if (inEndpt != null) {
+                    LimeLog.warning("Found duplicate IN endpoint");
+                    return false;
+                }
+                inEndpt = endpt;
+            }
+            else if (endpt.getDirection() == UsbConstants.USB_DIR_OUT) {
+                if (outEndpt != null) {
+                    LimeLog.warning("Found duplicate OUT endpoint");
+                    return false;
+                }
+                outEndpt = endpt;
+            }
+        }
+
+        // Make sure the required endpoints were present
+        if (inEndpt == null || outEndpt == null) {
+            LimeLog.warning("Missing required endpoint");
+            return false;
+        }
+
+        // Send the initialization packet
+        int res = connection.bulkTransfer(outEndpt, XB1_INIT_DATA, XB1_INIT_DATA.length, 3000);
+        if (res != XB1_INIT_DATA.length) {
+            LimeLog.warning("Initialization transfer failed: "+res);
+            return false;
+        }
+
+        // Start listening for controller input
+        startInputThread(inEndpt);
+
+        return true;
+    }
+
+    public void stop() {
+        stopped = true;
+
+        if (inputThread != null) {
+            inputThread.interrupt();
+            inputThread = null;
+        }
+
+        if (listener != null) {
+            listener.deviceRemoved(deviceId);
+        }
+
+        connection.close();
+    }
+
+    public static boolean canClaimDevice(UsbDevice device) {
+        return device.getVendorId() == MICROSOFT_VID &&
+                device.getInterfaceCount() >= 1 &&
+                device.getInterface(0).getInterfaceClass() == UsbConstants.USB_CLASS_VENDOR_SPEC &&
+                device.getInterface(0).getInterfaceSubclass() == XB1_IFACE_SUBCLASS &&
+                device.getInterface(0).getInterfaceProtocol() == XB1_IFACE_PROTOCOL;
+    }
+}

app/src/main/java/com/limelight/preferences/PreferenceConfiguration.java

@@ -19,6 +19,7 @@ public class PreferenceConfiguration {
     private static final String LIST_MODE_PREF_STRING = "checkbox_list_mode";
     private static final String SMALL_ICONS_PREF_STRING = "checkbox_small_icon_mode";
     private static final String MULTI_CONTROLLER_PREF_STRING = "checkbox_multi_controller";
+    private static final String USB_DRIVER_PREF_SRING = "checkbox_usb_driver";
 
     private static final int BITRATE_DEFAULT_720_30 = 5;
     private static final int BITRATE_DEFAULT_720_60 = 10;
@@ -36,6 +37,7 @@ public class PreferenceConfiguration {
     public static final String DEFAULT_LANGUAGE = "default";
     private static final boolean DEFAULT_LIST_MODE = false;
     private static final boolean DEFAULT_MULTI_CONTROLLER = true;
+    private static final boolean DEFAULT_USB_DRIVER = true;
 
     public static final int FORCE_HARDWARE_DECODER = -1;
     public static final int AUTOSELECT_DECODER = 0;
@@ -47,7 +49,7 @@ public class PreferenceConfiguration {
     public int deadzonePercentage;
     public boolean stretchVideo, enableSops, playHostAudio, disableWarnings;
     public String language;
-    public boolean listMode, smallIconMode, multiController;
+    public boolean listMode, smallIconMode, multiController, usbDriver;
 
     public static int getDefaultBitrate(String resFpsString) {
         if (resFpsString.equals("720p30")) {
@@ -159,6 +161,7 @@ public class PreferenceConfiguration {
         config.listMode = prefs.getBoolean(LIST_MODE_PREF_STRING, DEFAULT_LIST_MODE);
         config.smallIconMode = prefs.getBoolean(SMALL_ICONS_PREF_STRING, getDefaultSmallMode(context));
         config.multiController = prefs.getBoolean(MULTI_CONTROLLER_PREF_STRING, DEFAULT_MULTI_CONTROLLER);
+        config.usbDriver = prefs.getBoolean(USB_DRIVER_PREF_SRING, DEFAULT_USB_DRIVER);
 
         return config;
     }

app/src/main/res/values/strings.xml

@@ -99,6 +99,8 @@
     <string name="summary_checkbox_multi_controller">When unchecked, all controllers appear as one</string>
     <string name="title_seekbar_deadzone">Adjust analog stick deadzone</string>
     <string name="suffix_seekbar_deadzone">%</string>
+    <string name="title_checkbox_xb1_driver">Xbox One controller driver</string>
+    <string name="summary_checkbox_xb1_driver">Enables a built-in USB driver for devices without native Xbox One controller support.</string>
 
     <string name="category_ui_settings">UI Settings</string>
     <string name="title_language_list">Language</string>

app/src/main/res/xml/preferences.xml

@@ -38,6 +38,11 @@
             android:title="@string/title_checkbox_multi_controller"
             android:summary="@string/summary_checkbox_multi_controller"
             android:defaultValue="true" />
+        <CheckBoxPreference
+            android:key="checkbox_usb_driver"
+            android:title="@string/title_checkbox_xb1_driver"
+            android:summary="@string/summary_checkbox_xb1_driver"
+            android:defaultValue="true" />
     </PreferenceCategory>
     <PreferenceCategory android:title="@string/category_host_settings">
         <CheckBoxPreference