update:同步scrcpy

QtScrcpy/dialog.cpp

@@ -105,7 +105,8 @@ void Dialog::on_startServerBtn_clicked()
         quint32 bitRate = ui->bitRateBox->currentText().trimmed().toUInt();
         // this is ok that "native" toUshort is 0
         quint16 videoSize = ui->videoSizeBox->currentText().trimmed().toUShort();
-        m_videoForm = new VideoForm(ui->serialBox->currentText().trimmed(), videoSize, bitRate, absFilePath);
+        m_videoForm = new VideoForm(ui->serialBox->currentText().trimmed(), videoSize, bitRate,
+                                    absFilePath, ui->closeScreenCheck->isChecked());
         if (ui->alwaysTopCheck->isChecked()) {
             m_videoForm->staysOnTop();
         }
@@ -238,3 +239,15 @@ void Dialog::on_alwaysTopCheck_stateChanged(int arg1)
         m_videoForm->staysOnTop(false);
     }
 }
+
+void Dialog::on_closeScreenCheck_stateChanged(int arg1)
+{
+    if (!m_videoForm) {
+        return;
+    }
+    if (ui->closeScreenCheck->isChecked()) {
+        m_videoForm->setScreenPowerMode(ControlMsg::SPM_OFF);
+    } else {
+        m_videoForm->setScreenPowerMode(ControlMsg::SPM_NORMAL);
+    }
+}

QtScrcpy/dialog.h

@@ -43,6 +43,8 @@ private slots:
 
     void on_alwaysTopCheck_stateChanged(int arg1);
 
+    void on_closeScreenCheck_stateChanged(int arg1);
+
 private:
     bool checkAdbRun();
     void initUI();

QtScrcpy/dialog.ui

@@ -230,6 +230,13 @@
         </property>
        </widget>
       </item>
+      <item row="2" column="1" colspan="2">
+       <widget class="QCheckBox" name="closeScreenCheck">
+        <property name="text">
+         <string>close screen</string>
+        </property>
+       </widget>
+      </item>
      </layout>
     </widget>
    </item>

QtScrcpy/inputcontrol/controlmsg.cpp

@@ -12,21 +12,21 @@ ControlMsg::ControlMsg(ControlMsgType controlMsgType)
 ControlMsg::~ControlMsg()
 {
     if (CMT_SET_CLIPBOARD == m_data.type
-            && Q_NULLPTR != m_data.setClipboardMsg.text) {
-        delete m_data.setClipboardMsg.text;
-        m_data.setClipboardMsg.text = Q_NULLPTR;
+            && Q_NULLPTR != m_data.setClipboard.text) {
+        delete m_data.setClipboard.text;
+        m_data.setClipboard.text = Q_NULLPTR;
     } else if (CMT_INJECT_TEXT == m_data.type
-               && Q_NULLPTR != m_data.injectTextMsg.text){
-        delete m_data.injectTextMsg.text;
-        m_data.injectTextMsg.text = Q_NULLPTR;
+               && Q_NULLPTR != m_data.injectText.text){
+        delete m_data.injectText.text;
+        m_data.injectText.text = Q_NULLPTR;
     }
 }
 
 void ControlMsg::setInjectKeycodeMsgData(AndroidKeyeventAction action, AndroidKeycode keycode, AndroidMetastate metastate)
 {
-    m_data.injectKeycodeMsg.action = action;
-    m_data.injectKeycodeMsg.keycode = keycode;
-    m_data.injectKeycodeMsg.metastate = metastate;
+    m_data.injectKeycode.action = action;
+    m_data.injectKeycode.keycode = keycode;
+    m_data.injectKeycode.metastate = metastate;
 }
 
 void ControlMsg::setInjectTextMsgData(QString& text)
@@ -37,30 +37,30 @@ void ControlMsg::setInjectTextMsgData(QString& text)
         text = text.left(CONTROL_MSG_TEXT_MAX_LENGTH);
     }
     QByteArray tmp = text.toUtf8();
-    m_data.injectTextMsg.text = new char[tmp.length() + 1];
-    memcpy(m_data.injectTextMsg.text, tmp.data(), tmp.length());
-    m_data.injectTextMsg.text[tmp.length()] = '\0';
+    m_data.injectText.text = new char[tmp.length() + 1];
+    memcpy(m_data.injectText.text, tmp.data(), tmp.length());
+    m_data.injectText.text[tmp.length()] = '\0';
 }
 
 void ControlMsg::setInjectMouseMsgData(AndroidMotioneventAction action, AndroidMotioneventButtons buttons, QRect position)
 {
-    m_data.injectMouseMsg.action = action;
-    m_data.injectMouseMsg.buttons = buttons;
-    m_data.injectMouseMsg.position = position;
+    m_data.injectMouse.action = action;
+    m_data.injectMouse.buttons = buttons;
+    m_data.injectMouse.position = position;
 }
 
 void ControlMsg::setInjectTouchMsgData(quint32 id, AndroidMotioneventAction action, QRect position)
 {
-    m_data.injectTouchMsg.action = action;
-    m_data.injectTouchMsg.id = id;
-    m_data.injectTouchMsg.position = position;
+    m_data.injectTouch.action = action;
+    m_data.injectTouch.id = id;
+    m_data.injectTouch.position = position;
 }
 
 void ControlMsg::setInjectScrollMsgData(QRect position, qint32 hScroll, qint32 vScroll)
 {
-    m_data.injectScrollMsg.position = position;
-    m_data.injectScrollMsg.hScroll = hScroll;
-    m_data.injectScrollMsg.vScroll = vScroll;
+    m_data.injectScroll.position = position;
+    m_data.injectScroll.hScroll = hScroll;
+    m_data.injectScroll.vScroll = vScroll;
 }
 
 void ControlMsg::setSetClipboardMsgData(QString &text)
@@ -73,9 +73,14 @@ void ControlMsg::setSetClipboardMsgData(QString &text)
     }
 
     QByteArray tmp = text.toUtf8();
-    m_data.setClipboardMsg.text = new char[tmp.length() + 1];
-    memcpy(m_data.setClipboardMsg.text, tmp.data(), tmp.length());
-    m_data.setClipboardMsg.text[tmp.length()] = '\0';
+    m_data.setClipboard.text = new char[tmp.length() + 1];
+    memcpy(m_data.setClipboard.text, tmp.data(), tmp.length());
+    m_data.setClipboard.text[tmp.length()] = '\0';
+}
+
+void ControlMsg::setSetScreenPowerModeData(ControlMsg::ScreenPowerMode mode)
+{
+    m_data.setScreenPowerMode.mode = mode;
 }
 
 void ControlMsg::writePosition(QBuffer &buffer, const QRect& value)
@@ -95,32 +100,35 @@ QByteArray ControlMsg::serializeData()
 
     switch (m_data.type) {
     case CMT_INJECT_KEYCODE:
-        buffer.putChar(m_data.injectKeycodeMsg.action);
-        BufferUtil::write32(buffer, m_data.injectKeycodeMsg.keycode);
-        BufferUtil::write32(buffer, m_data.injectKeycodeMsg.metastate);
+        buffer.putChar(m_data.injectKeycode.action);
+        BufferUtil::write32(buffer, m_data.injectKeycode.keycode);
+        BufferUtil::write32(buffer, m_data.injectKeycode.metastate);
         break;
     case CMT_INJECT_TEXT:
-        BufferUtil::write16(buffer, strlen(m_data.injectTextMsg.text));
-        buffer.write(m_data.injectTextMsg.text, strlen(m_data.injectTextMsg.text));
+        BufferUtil::write16(buffer, strlen(m_data.injectText.text));
+        buffer.write(m_data.injectText.text, strlen(m_data.injectText.text));
         break;
     case CMT_INJECT_MOUSE:
-        buffer.putChar(m_data.injectMouseMsg.action);
-        BufferUtil::write32(buffer, m_data.injectMouseMsg.buttons);
-        writePosition(buffer, m_data.injectMouseMsg.position);
+        buffer.putChar(m_data.injectMouse.action);
+        BufferUtil::write32(buffer, m_data.injectMouse.buttons);
+        writePosition(buffer, m_data.injectMouse.position);
         break;
     case CMT_INJECT_TOUCH:
-        buffer.putChar(m_data.injectTouchMsg.id);
-        buffer.putChar(m_data.injectTouchMsg.action);
-        writePosition(buffer, m_data.injectTouchMsg.position);
+        buffer.putChar(m_data.injectTouch.id);
+        buffer.putChar(m_data.injectTouch.action);
+        writePosition(buffer, m_data.injectTouch.position);
         break;
     case CMT_INJECT_SCROLL:
-        writePosition(buffer, m_data.injectScrollMsg.position);
-        BufferUtil::write32(buffer, m_data.injectScrollMsg.hScroll);
-        BufferUtil::write32(buffer, m_data.injectScrollMsg.vScroll);
+        writePosition(buffer, m_data.injectScroll.position);
+        BufferUtil::write32(buffer, m_data.injectScroll.hScroll);
+        BufferUtil::write32(buffer, m_data.injectScroll.vScroll);
         break;
     case CMT_SET_CLIPBOARD:
-        BufferUtil::write16(buffer, strlen(m_data.setClipboardMsg.text));
-        buffer.write(m_data.setClipboardMsg.text, strlen(m_data.setClipboardMsg.text));
+        BufferUtil::write16(buffer, strlen(m_data.setClipboard.text));
+        buffer.write(m_data.setClipboard.text, strlen(m_data.setClipboard.text));
+        break;
+    case CMT_SET_SCREEN_POWER_MODE:
+        buffer.putChar(m_data.setScreenPowerMode.mode);
         break;
     case CMT_BACK_OR_SCREEN_ON:
     case CMT_EXPAND_NOTIFICATION_PANEL:

QtScrcpy/inputcontrol/controlmsg.h

@@ -26,9 +26,16 @@ public:
         CMT_COLLAPSE_NOTIFICATION_PANEL,
         CMT_GET_CLIPBOARD,
         CMT_SET_CLIPBOARD,
+        CMT_SET_SCREEN_POWER_MODE,
 
         CMT_INJECT_TOUCH,
-    };    
+    };
+
+    enum ScreenPowerMode {
+        // see <https://android.googlesource.com/platform/frameworks/base.git/+/pie-release-2/core/java/android/view/SurfaceControl.java#305>
+        SPM_OFF = 0,
+        SPM_NORMAL = 2,
+    };
 
     ControlMsg(ControlMsgType controlMsgType);
     virtual ~ControlMsg();
@@ -42,6 +49,7 @@ public:
     void setInjectTouchMsgData(quint32 id, AndroidMotioneventAction action, QRect position);
     void setInjectScrollMsgData(QRect position, qint32 hScroll, qint32 vScroll);
     void setSetClipboardMsgData(QString& text);
+    void setSetScreenPowerModeData(ControlMsg::ScreenPowerMode mode);
 
     QByteArray serializeData();
 
@@ -56,28 +64,31 @@ private:
                 AndroidKeyeventAction action;
                 AndroidKeycode keycode;
                 AndroidMetastate metastate;
-            } injectKeycodeMsg;
+            } injectKeycode;
             struct {
                 char* text = Q_NULLPTR;
-            } injectTextMsg;
+            } injectText;
             struct {
                 AndroidMotioneventAction action;
                 AndroidMotioneventButtons buttons;
                 QRect position;
-            } injectMouseMsg;
+            } injectMouse;
             struct {
                 quint32 id;
                 AndroidMotioneventAction action;
                 QRect position;
-            } injectTouchMsg;
+            } injectTouch;
             struct {
                 QRect position;
                 qint32 hScroll;
                 qint32 vScroll;
-            } injectScrollMsg;
+            } injectScroll;
             struct {
                 char *text = Q_NULLPTR;
-            } setClipboardMsg;
+            } setClipboard;
+            struct {
+                ScreenPowerMode mode;
+            } setScreenPowerMode;
         };
 
         ControlMsgData(){}

QtScrcpy/inputcontrol/receiver.cpp

@@ -41,6 +41,7 @@ void Receiver::processMsg(DeviceMsg *deviceMsg)
     switch (deviceMsg->type()) {
     case DeviceMsg::DMT_GET_CLIPBOARD:
     {
+        qInfo("Device clipboard copied");
         QClipboard *board = QApplication::clipboard();
         QString text;
         deviceMsg->getClipboardMsgData(text);

QtScrcpy/server/server.cpp

@@ -65,7 +65,7 @@ bool Server::pushServer()
     if (m_workProcess.isRuning()) {
         m_workProcess.kill();
     }
-    m_workProcess.push(m_serial, getServerPath(), DEVICE_SERVER_PATH);
+    m_workProcess.push(m_params.serial, getServerPath(), DEVICE_SERVER_PATH);
     return true;
 }
 
@@ -74,7 +74,7 @@ bool Server::enableTunnelReverse()
     if (m_workProcess.isRuning()) {
         m_workProcess.kill();
     }
-    m_workProcess.reverse(m_serial, SOCKET_NAME, m_localPort);
+    m_workProcess.reverse(m_params.serial, SOCKET_NAME, m_params.localPort);
     return true;
 }
 
@@ -89,7 +89,7 @@ bool Server::disableTunnelReverse()
             sender()->deleteLater();
         }
     });
-    adb->reverseRemove(m_serial, SOCKET_NAME);
+    adb->reverseRemove(m_params.serial, SOCKET_NAME);
     return true;
 }
 
@@ -98,7 +98,7 @@ bool Server::enableTunnelForward()
     if (m_workProcess.isRuning()) {
         m_workProcess.kill();
     }
-    m_workProcess.forward(m_serial, m_localPort, SOCKET_NAME);
+    m_workProcess.forward(m_params.serial, m_params.localPort, SOCKET_NAME);
     return true;
 }
 bool Server::disableTunnelForward()
@@ -112,7 +112,7 @@ bool Server::disableTunnelForward()
             sender()->deleteLater();
         }
     });
-    adb->forwardRemove(m_serial, m_localPort);
+    adb->forwardRemove(m_params.serial, m_params.localPort);
     return true;
 }
 
@@ -127,31 +127,27 @@ bool Server::execute()
     args << "app_process";
     args << "/"; // unused;
     args << "com.genymobile.scrcpy.Server";
-    args << QString::number(m_maxSize);
-    args << QString::number(m_bitRate);
+    args << QString::number(m_params.maxSize);
+    args << QString::number(m_params.bitRate);
     args << (m_tunnelForward ? "true" : "false");
-    if (m_crop.isEmpty()) {
+    if (m_params.crop.isEmpty()) {
         args << "-";
     } else {
-        args << m_crop;
+        args << m_params.crop;
     }
-    args << (m_sendFrameMeta ? "true" : "false");
+    args << (m_params.sendFrameMeta ? "true" : "false");
+    args << (m_params.control ? "true" : "false");
+
     // adb -s P7C0218510000537 shell CLASSPATH=/data/local/tmp/scrcpy-server.jar app_process / com.genymobile.scrcpy.Server 0 8000000 false
     // mark: crop input format: "width:height:x:y" or - for no crop, for example: "100:200:0:0"
     // 这条adb命令是阻塞运行的，m_serverProcess进程不会退出了
-    m_serverProcess.execute(m_serial, args);
+    m_serverProcess.execute(m_params.serial, args);
     return true;
 }
 
-bool Server::start(const QString& serial, quint16 localPort, quint16 maxSize, quint32 bitRate, const QString& crop, bool sendFrameMeta)
+bool Server::start(Server::ServerParams params)
 {    
-    m_serial = serial;
-    m_localPort = localPort;
-    m_maxSize = maxSize;
-    m_bitRate = bitRate;
-    m_crop = crop;
-    m_sendFrameMeta = sendFrameMeta;
-
+    m_params = params;
     m_serverStartStep = SSS_PUSH;
     return startServerByStep();
 }
@@ -179,7 +175,7 @@ bool Server::connectTo()
 
         // video socket
         m_videoSocket = new VideoSocket();
-        m_videoSocket->connectToHost(QHostAddress::LocalHost, m_localPort);
+        m_videoSocket->connectToHost(QHostAddress::LocalHost, m_params.localPort);
         if (!m_videoSocket->waitForConnected(1000)) {
             stop();
             qWarning("video socket connect to server failed");
@@ -206,7 +202,7 @@ bool Server::connectTo()
 
         // control socket
         m_controlSocket = new QTcpSocket();
-        m_controlSocket->connectToHost(QHostAddress::LocalHost, m_localPort);
+        m_controlSocket->connectToHost(QHostAddress::LocalHost, m_params.localPort);
         if (!m_controlSocket->waitForConnected(1000)) {
             stop();
             qWarning("control socket connect to server failed");
@@ -294,8 +290,8 @@ bool Server::startServerByStep()
                 // client can listen before starting the server app, so there is no need to
                 // try to connect until the server socket is listening on the device.
                 m_serverSocket.setMaxPendingConnections(2);
-                if (!m_serverSocket.listen(QHostAddress::LocalHost, m_localPort)) {
-                    qCritical(QString("Could not listen on port %1").arg(m_localPort).toStdString().c_str());
+                if (!m_serverSocket.listen(QHostAddress::LocalHost, m_params.localPort)) {
+                    qCritical(QString("Could not listen on port %1").arg(m_params.localPort).toStdString().c_str());
                     m_serverStartStep = SSS_NULL;
                     if (m_tunnelForward) {
                         disableTunnelForward();

QtScrcpy/server/server.h

@@ -22,10 +22,20 @@ class Server : public QObject
         SSS_RUNNING,
     };
 public:
+    struct ServerParams {
+        QString serial = "";
+        quint16 localPort = 27183;
+        quint16 maxSize = 0;
+        quint32 bitRate = 8000000;
+        QString crop = "-";
+        bool sendFrameMeta = false;
+        bool control = true;
+    };
+
     explicit Server(QObject *parent = nullptr);
     virtual ~Server();
 
-    bool start(const QString& serial, quint16 localPort, quint16 maxSize, quint32 bitRate, const QString& crop, bool sendFrameMeta = false);
+    bool start(Server::ServerParams params);
     bool connectTo();
 
     VideoSocket* getVideoSocket();
@@ -61,21 +71,16 @@ private:
 private:
     QString m_serverPath = "";
     AdbProcess m_workProcess;
-    QString m_serial = "";
     AdbProcess m_serverProcess;
     TcpServer m_serverSocket; // only used if !tunnel_forward
     QPointer<VideoSocket> m_videoSocket = Q_NULLPTR;
     QPointer<QTcpSocket> m_controlSocket = Q_NULLPTR;
-    quint16 m_localPort = 0;
     bool m_tunnelEnabled = false;
     bool m_tunnelForward = false; // use "adb forward" instead of "adb reverse"
-    bool m_sendFrameMeta = false;
-    quint16 m_maxSize = 0;
-    quint32 m_bitRate = 0;
-    QString m_crop = "";
     quint32 m_acceptTimeoutTimer = 0;
     QString m_deviceName = "";
     QSize m_deviceSize = QSize();
+    ServerParams m_params;
 
     SERVER_START_STEP m_serverStartStep = SSS_NULL;
 };

QtScrcpy/stream/stream.cpp

@@ -145,7 +145,7 @@ static qint32 readPacketWithMeta(void *opaque, uint8_t *buf, int bufSize) {
         quint8 header[HEADER_SIZE];
         qint32 r = stream->recvData(header, HEADER_SIZE);
         if (r == -1) {
-            return AVERROR(errno);
+            return errno ? AVERROR(errno) : AVERROR_EOF;
         }
         if (r == 0) {
             return AVERROR_EOF;
@@ -173,7 +173,7 @@ static qint32 readPacketWithMeta(void *opaque, uint8_t *buf, int bufSize) {
 
     qint32 r = stream->recvData(buf, bufSize);
     if (r == -1) {
-        return AVERROR(errno);
+        return errno ? AVERROR(errno) : AVERROR_EOF;
     }
     if (r == 0) {
         return AVERROR_EOF;

QtScrcpy/videoform.cpp

@@ -23,7 +23,7 @@
 #include "controlmsg.h"
 #include "mousetap/mousetap.h"
 
-VideoForm::VideoForm(const QString& serial, quint16 maxSize, quint32 bitRate, const QString& fileName, QWidget *parent) :
+VideoForm::VideoForm(const QString& serial, quint16 maxSize, quint32 bitRate, const QString& fileName, bool closeScreen, QWidget *parent) :
     QWidget(parent),
     ui(new Ui::videoForm),
     m_serial(serial),
@@ -33,6 +33,7 @@ VideoForm::VideoForm(const QString& serial, quint16 maxSize, quint32 bitRate, co
     ui->setupUi(this);
     initUI();    
 
+    m_closeScreen = closeScreen;
     m_server = new Server();
     m_vb = new VideoBuffer();
     m_vb->init();
@@ -55,7 +56,15 @@ VideoForm::VideoForm(const QString& serial, quint16 maxSize, quint32 bitRate, co
         // only one devices, serial can be null
         // mark: crop input format: "width:height:x:y" or - for no crop, for example: "100:200:0:0"
         // sendFrameMeta for recorder mp4
-        m_server->start(m_serial, 27183, m_maxSize, m_bitRate, "-", sendFrameMeta);
+        Server::ServerParams params;
+        params.serial = m_serial;
+        params.localPort = 27183;
+        params.maxSize = m_maxSize;
+        params.bitRate = m_bitRate;
+        params.crop = "-";
+        params.sendFrameMeta = sendFrameMeta;
+        params.control = true;
+        m_server->start(params);
     });
 
     updateShowSize(size());
@@ -177,6 +186,10 @@ void VideoForm::initSignals()
 
             // init controller
             m_inputConvert.setControlSocket(m_server->getControlSocket());
+
+            if (m_closeScreen) {
+                setScreenPowerMode(ControlMsg::SPM_OFF);
+            }
         }
     });
 
@@ -404,6 +417,16 @@ void VideoForm::postTextInput(QString& text)
     m_inputConvert.sendControlMsg(controlMsg);
 }
 
+void VideoForm::setScreenPowerMode(ControlMsg::ScreenPowerMode mode)
+{
+    ControlMsg* controlMsg = new ControlMsg(ControlMsg::CMT_SET_SCREEN_POWER_MODE);
+    if (!controlMsg) {
+        return;
+    }
+    controlMsg->setSetScreenPowerModeData(mode);
+    m_inputConvert.sendControlMsg(controlMsg);
+}
+
 void VideoForm::staysOnTop(bool top)
 {
     bool needShow = false;

QtScrcpy/videoform.h

@@ -24,7 +24,7 @@ class VideoForm : public QWidget
     Q_OBJECT
 
 public:
-    explicit VideoForm(const QString& serial, quint16 maxSize = 720, quint32 bitRate = 8000000, const QString& fileName = "", QWidget *parent = 0);
+    explicit VideoForm(const QString& serial, quint16 maxSize = 720, quint32 bitRate = 8000000, const QString& fileName = "", bool closeScreen = false, QWidget *parent = 0);
     ~VideoForm();
 
     void switchFullScreen();
@@ -43,6 +43,7 @@ public:
     void setDeviceClipboard();
     void clipboardPaste();
     void postTextInput(QString& text);
+    void setScreenPowerMode(ControlMsg::ScreenPowerMode mode);
 
     void staysOnTop(bool top = true);
 
@@ -89,6 +90,7 @@ private:
     Recorder* m_recorder = Q_NULLPTR;    
     QTime m_startTimeCount;
     QPointer<QWidget> m_loadingWidget;
+    bool m_closeScreen = false;
 };
 
 #endif // VIDEOFORM_H

TODO.txt

@@ -5,11 +5,17 @@ Mac
 
 中文输入（server需要改为apk，作为一个输入法，暂不实现）
 
-最后更新scrcpy 7764a836f1ee02a4540cfc4118c20729018daaac
+最后同步scrcpy b91ecf52256da73f5c8dca04fb82c13ec826cbd7
 
 b35733edb6df2a00b6af9b1c98627d344c377963 鼠标事件相关系列
 
 只录制不启动窗口（先重构，目前启动流程在videoform里）
+跳过帧改为动态配置，而不是静态编译 https://github.com/Genymobile/scrcpy/commit/ebccb9f6cc111e8acfbe10d656cac5c1f1b744a0
+复制粘贴问题对比
+复制粘贴中文测试
+国际化
+单独线程打印帧率 https://github.com/Genymobile/scrcpy/commit/e2a272bf99ecf48fcb050177113f903b3fb323c4
+
 
 
 mark:

server/src/main/java/com/genymobile/scrcpy/ControlMessage.java

@@ -14,14 +14,15 @@ public final class ControlMessage {
     public static final int TYPE_COLLAPSE_NOTIFICATION_PANEL = 6;
     public static final int TYPE_GET_CLIPBOARD = 7;
     public static final int TYPE_SET_CLIPBOARD = 8;
+    public static final int TYPE_SET_SCREEN_POWER_MODE = 9;
 
-    public static final int TYPE_INJECT_TOUCH = 9;
+    public static final int TYPE_INJECT_TOUCH = 10;
 
 
     private int type;
     private String text;
     private int metaState; // KeyEvent.META_*
-    private int action; // KeyEvent.ACTION_* or MotionEvent.ACTION_*
+    private int action; // KeyEvent.ACTION_* or MotionEvent.ACTION_* or POWER_MODE_*
     private int keycode; // KeyEvent.KEYCODE_*
     private int buttons; // MotionEvent.BUTTON_*
     private int id;
@@ -82,6 +83,16 @@ public final class ControlMessage {
         return event;
     }
 
+    /**
+     * @param mode one of the {@code Device.SCREEN_POWER_MODE_*} constants
+     */
+    public static ControlMessage createSetScreenPowerMode(int mode) {
+        ControlMessage event = new ControlMessage();
+        event.type = TYPE_SET_SCREEN_POWER_MODE;
+        event.action = mode;
+        return event;
+    }
+
     public static ControlMessage createEmpty(int type) {
         ControlMessage event = new ControlMessage();
         event.type = type;

server/src/main/java/com/genymobile/scrcpy/ControlMessageReader.java

@@ -12,6 +12,7 @@ public class ControlMessageReader {
     private static final int INJECT_MOUSE_PAYLOAD_LENGTH = 13;
     private static final int INJECT_SCROLL_PAYLOAD_LENGTH = 16;
     private static final int INJECT_TOUCH_PAYLOAD_LENGTH = 10;
+    private static final int SET_SCREEN_POWER_MODE_PAYLOAD_LENGTH = 1;
 
     public static final int TEXT_MAX_LENGTH = 300;
     public static final int CLIPBOARD_TEXT_MAX_LENGTH = 4093;
@@ -50,43 +51,46 @@ public class ControlMessageReader {
         }
         int savedPosition = buffer.position();
         int type = buffer.get();
-        ControlMessage controlEvent;
+        ControlMessage msg;
         switch (type) {
             case ControlMessage.TYPE_INJECT_KEYCODE:
-                controlEvent = parseInjectKeycode();
+                msg = parseInjectKeycode();
                 break;
             case ControlMessage.TYPE_INJECT_TEXT:
-                controlEvent = parseInjectText();
+                msg = parseInjectText();
                 break;
             case ControlMessage.TYPE_INJECT_MOUSE:
-                controlEvent = parseInjectMouse();
+                msg = parseInjectMouse();
                 break;
             case ControlMessage.TYPE_INJECT_TOUCH:
-                controlEvent = parseInjectMouseTouch();
+                msg = parseInjectMouseTouch();
                 break;
             case ControlMessage.TYPE_INJECT_SCROLL:
-                controlEvent = parseInjectScroll();
+                msg = parseInjectScroll();
                 break;
             case ControlMessage.TYPE_SET_CLIPBOARD:
-                controlEvent = parseSetClipboard();
+                msg = parseSetClipboard();
+                break;
+            case ControlMessage.TYPE_SET_SCREEN_POWER_MODE:
+                msg = parseSetScreenPowerMode();
                 break;
             case ControlMessage.TYPE_BACK_OR_SCREEN_ON:
             case ControlMessage.TYPE_EXPAND_NOTIFICATION_PANEL:
             case ControlMessage.TYPE_COLLAPSE_NOTIFICATION_PANEL:
             case ControlMessage.TYPE_GET_CLIPBOARD:
-                controlEvent = ControlMessage.createEmpty(type);
+                msg = ControlMessage.createEmpty(type);
                 break;
             default:
                 Ln.w("Unknown event type: " + type);
-                controlEvent = null;
+                msg = null;
                 break;
         }
 
-        if (controlEvent == null) {
+        if (msg == null) {
             // failure, reset savedPosition
             buffer.position(savedPosition);
         }
-        return controlEvent;
+        return msg;
     }
 
     private ControlMessage parseInjectKeycode() {
@@ -157,6 +161,14 @@ public class ControlMessageReader {
         return ControlMessage.createSetClipboard(text);
     }
 
+    private ControlMessage parseSetScreenPowerMode() {
+        if (buffer.remaining() < SET_SCREEN_POWER_MODE_PAYLOAD_LENGTH) {
+            return null;
+        }
+        int mode = buffer.get();
+        return ControlMessage.createSetScreenPowerMode(mode);
+    }
+
     private static Position readPosition(ByteBuffer buffer) {
         int x = toUnsigned(buffer.getShort());
         int y = toUnsigned(buffer.getShort());

server/src/main/java/com/genymobile/scrcpy/Controller.java

@@ -102,9 +102,21 @@ public class Controller {
         return sender;
     }
 
+    @SuppressWarnings("checkstyle:MagicNumber")
     public void control() throws IOException {
-        // on start, turn screen on
-        turnScreenOn();
+        // on start, power on the device
+        if (!device.isScreenOn()) {
+            injectKeycode(KeyEvent.KEYCODE_POWER);
+
+            // dirty hack
+            // After POWER is injected, the device is powered on asynchronously.
+            // To turn the device screen off while mirroring, the client will send a message that
+            // would be handled before the device is actually powered on, so its effect would
+            // be "canceled" once the device is turned back on.
+            // Adding this delay prevents to handle the message before the device is actually
+            // powered on.
+            SystemClock.sleep(500);
+        }
 
         while (true) {
             handleEvent();
@@ -145,6 +157,9 @@ public class Controller {
             case ControlMessage.TYPE_SET_CLIPBOARD:
                 device.setClipboardText(msg.getText());
                 break;
+            case ControlMessage.TYPE_SET_SCREEN_POWER_MODE:
+                device.setScreenPowerMode(msg.getAction());
+                break;
             default:
                 // do nothing
         }
@@ -309,10 +324,6 @@ public class Controller {
         return device.injectInputEvent(event, InputManager.INJECT_INPUT_EVENT_MODE_ASYNC);
     }
 
-    private boolean turnScreenOn() {
-        return device.isScreenOn() || injectKeycode(KeyEvent.KEYCODE_POWER);
-    }
-
     private boolean pressBackOrTurnScreenOn() {
         int keycode = device.isScreenOn() ? KeyEvent.KEYCODE_BACK : KeyEvent.KEYCODE_POWER;
         return injectKeycode(keycode);

server/src/main/java/com/genymobile/scrcpy/Device.java

@@ -1,16 +1,21 @@
 package com.genymobile.scrcpy;
 
 import com.genymobile.scrcpy.wrappers.ServiceManager;
+import com.genymobile.scrcpy.wrappers.SurfaceControl;
 
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.os.Build;
+import android.os.IBinder;
 import android.os.RemoteException;
 import android.view.IRotationWatcher;
 import android.view.InputEvent;
 
 public final class Device {
 
+    public static final int POWER_MODE_OFF = SurfaceControl.POWER_MODE_OFF;
+    public static final int POWER_MODE_NORMAL = SurfaceControl.POWER_MODE_NORMAL;
+
     public interface RotationListener {
         void onRotationChanged(int rotation);
     }
@@ -190,6 +195,16 @@ public final class Device {
 
     public void setClipboardText(String text) {
         serviceManager.getClipboardManager().setText(text);
+        Ln.i("Device clipboard set");
+    }
+
+    /**
+     * @param mode one of the {@code SCREEN_POWER_MODE_*} constants
+     */
+    public void setScreenPowerMode(int mode) {
+        IBinder d = SurfaceControl.getBuiltInDisplay(0);
+        SurfaceControl.setDisplayPowerMode(d, mode);
+        Ln.i("Device screen turned " + (mode == Device.POWER_MODE_OFF ? "off" : "on"));
     }
 
     static Rect flipRect(Rect crop) {

server/src/main/java/com/genymobile/scrcpy/Ln.java

@@ -8,7 +8,8 @@ import android.util.Log;
  */
 public final class Ln {
 
-    private static final String TAG = "scrcpy";
+    private static final String TAG = "qtscrcpy";
+    private static final String PREFIX = "[server] ";
 
     enum Level {
         DEBUG,
@@ -30,28 +31,28 @@ public final class Ln {
     public static void d(String message) {
         if (isEnabled(Level.DEBUG)) {
             Log.d(TAG, message);
-            System.out.println("DEBUG: " + message);
+            System.out.println(PREFIX + "DEBUG: " + message);
         }
     }
 
     public static void i(String message) {
         if (isEnabled(Level.INFO)) {
             Log.i(TAG, message);
-            System.out.println("INFO: " + message);
+            System.out.println(PREFIX + "INFO: " + message);
         }
     }
 
     public static void w(String message) {
         if (isEnabled(Level.WARN)) {
             Log.w(TAG, message);
-            System.out.println("WARN: " + message);
+            System.out.println(PREFIX + "WARN: " + message);
         }
     }
 
     public static void e(String message, Throwable throwable) {
         if (isEnabled(Level.ERROR)) {
             Log.e(TAG, message, throwable);
-            System.out.println("ERROR: " + message);
+            System.out.println(PREFIX + "ERROR: " + message);
             if (throwable != null) {
                 throwable.printStackTrace();
             }

server/src/main/java/com/genymobile/scrcpy/Options.java

@@ -8,6 +8,7 @@ public class Options {
     private boolean tunnelForward;
     private Rect crop;
     private boolean sendFrameMeta;
+    private boolean control;
 
     public int getMaxSize() {
         return maxSize;
@@ -48,4 +49,12 @@ public class Options {
     public void setSendFrameMeta(boolean sendFrameMeta) {
         this.sendFrameMeta = sendFrameMeta;
     }
+
+    public boolean getControl() {
+        return control;
+    }
+
+    public void setControl(boolean control) {
+        this.control = control;
+    }
 }

server/src/main/java/com/genymobile/scrcpy/Server.java

@@ -20,11 +20,13 @@ public final class Server {
         try (DesktopConnection connection = DesktopConnection.open(device, tunnelForward)) {
             ScreenEncoder screenEncoder = new ScreenEncoder(options.getSendFrameMeta(), options.getBitRate());
 
-            Controller controller = new Controller(device, connection);
+            if (options.getControl()) {
+                Controller controller = new Controller(device, connection);
 
-            // asynchronous
-            startController(controller);
-            startDeviceMessageSender(controller.getSender());
+                // asynchronous
+                startController(controller);
+                startDeviceMessageSender(controller.getSender());
+            }
 
             try {
                 // synchronous
@@ -66,7 +68,7 @@ public final class Server {
 
     @SuppressWarnings("checkstyle:MagicNumber")
     private static Options createOptions(String... args) {
-        if (args.length != 5) {
+        if (args.length != 6) {
             throw new IllegalArgumentException("Expecting 5 parameters");
         }
 
@@ -88,6 +90,9 @@ public final class Server {
         boolean sendFrameMeta = Boolean.parseBoolean(args[4]);
         options.setSendFrameMeta(sendFrameMeta);
 
+        boolean control = Boolean.parseBoolean(args[5]);
+        options.setControl(control);
+
         return options;
     }
 

server/src/main/java/com/genymobile/scrcpy/wrappers/SurfaceControl.java

@@ -2,6 +2,7 @@ package com.genymobile.scrcpy.wrappers;
 
 import android.annotation.SuppressLint;
 import android.graphics.Rect;
+import android.os.Build;
 import android.os.IBinder;
 import android.view.Surface;
 
@@ -10,6 +11,10 @@ public final class SurfaceControl {
 
     private static final Class<?> CLASS;
 
+    // see <https://android.googlesource.com/platform/frameworks/base.git/+/pie-release-2/core/java/android/view/SurfaceControl.java#305>
+    public static final int POWER_MODE_OFF = 0;
+    public static final int POWER_MODE_NORMAL = 2;
+
     static {
         try {
             CLASS = Class.forName("android.view.SurfaceControl");
@@ -71,6 +76,27 @@ public final class SurfaceControl {
         }
     }
 
+    public static IBinder getBuiltInDisplay(int builtInDisplayId) {
+        try {
+            // the method signature has changed in Android Q
+            // <https://github.com/Genymobile/scrcpy/issues/586>
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+                return (IBinder) CLASS.getMethod("getBuiltInDisplay", int.class).invoke(null, builtInDisplayId);
+            }
+            return (IBinder) CLASS.getMethod("getPhysicalDisplayToken", long.class).invoke(null, builtInDisplayId);
+        } catch (Exception e) {
+            throw new AssertionError(e);
+        }
+    }
+
+    public static void setDisplayPowerMode(IBinder displayToken, int mode) {
+        try {
+            CLASS.getMethod("setDisplayPowerMode", IBinder.class, int.class).invoke(null, displayToken, mode);
+        } catch (Exception e) {
+            throw new AssertionError(e);
+        }
+    }
+
     public static void destroyDisplay(IBinder displayToken) {
         try {
             CLASS.getMethod("destroyDisplay", IBinder.class).invoke(null, displayToken);