feat: support audio on win

QtScrcpy/CMakeLists.txt

@@ -79,8 +79,8 @@ set(CMAKE_AUTOUIC ON)
 set(CMAKE_AUTOMOC ON)
 set(CMAKE_AUTORCC ON)
 
-find_package(QT NAMES Qt6 Qt5 COMPONENTS Widgets Network REQUIRED)
-find_package(Qt${QT_VERSION_MAJOR} COMPONENTS Widgets Network REQUIRED)
+find_package(QT NAMES Qt6 Qt5 COMPONENTS Widgets Network Multimedia REQUIRED)
+find_package(Qt${QT_VERSION_MAJOR} COMPONENTS Widgets Network Multimedia REQUIRED)
 if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
     find_package(QT NAMES Qt6 Qt5 COMPONENTS X11Extras REQUIRED)
     find_package(Qt${QT_VERSION_MAJOR} COMPONENTS X11Extras REQUIRED)
@@ -108,6 +108,13 @@ set(QC_UIBASE_SOURCES
 )
 source_group(uibase FILES ${QC_UIBASE_SOURCES})
 
+# audio
+set(QC_AUDIO_SOURCES
+    audio/audiooutput.h
+    audio/audiooutput.cpp
+)
+source_group(audio FILES ${QC_AUDIO_SOURCES})
+
 # ui
 set(QC_UI_SOURCES
     ui/toolform.h
@@ -199,6 +206,7 @@ set(QC_PROJECT_SOURCES
     ${QC_MAIN_SOURCES}
     ${QC_GROUP_CONTROLLER}
     ${QC_PLANTFORM_SOURCES}
+    ${QC_AUDIO_SOURCES}
 )
 
 if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
@@ -242,6 +250,11 @@ set_target_properties(${PROJECT_NAME} PROPERTIES
 if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
     get_target_property(QSC_BIN_OUTPUT_PATH ${PROJECT_NAME} RUNTIME_OUTPUT_DIRECTORY)
     set(QSC_DEPLOY_PATH ${QSC_BIN_OUTPUT_PATH})
+
+    add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different "${CMAKE_CURRENT_SOURCE_DIR}/sndcpy/sndcpy.bat" "${QSC_BIN_OUTPUT_PATH}"
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different "${CMAKE_CURRENT_SOURCE_DIR}/sndcpy/sndcpy.apk" "${QSC_BIN_OUTPUT_PATH}"
+    )
 endif()
 
 # MacOS
@@ -309,5 +322,6 @@ add_subdirectory(QtScrcpyCore)
 target_link_libraries(${PROJECT_NAME} PRIVATE
     Qt${QT_VERSION_MAJOR}::Widgets
     Qt${QT_VERSION_MAJOR}::Network
+    Qt${QT_VERSION_MAJOR}::Multimedia
     QtScrcpyCore
 )

QtScrcpy/audio/audiooutput.cpp

@@ -0,0 +1,178 @@
+#include <QTcpSocket>
+#include <QHostAddress>
+#include <QAudioOutput>
+#include <QTime>
+
+#include "audiooutput.h"
+
+AudioOutput::AudioOutput(QObject *parent)
+    : QObject(parent)
+{
+    connect(&m_sndcpy, &QProcess::readyReadStandardOutput, this, [this]() {
+        qInfo() << QString("AudioOutput::") << QString(m_sndcpy.readAllStandardOutput());
+    });
+    connect(&m_sndcpy, &QProcess::readyReadStandardError, this, [this]() {
+        qInfo() << QString("AudioOutput::") << QString(m_sndcpy.readAllStandardError());
+    });
+}
+
+AudioOutput::~AudioOutput()
+{
+    if (QProcess::NotRunning != m_sndcpy.state()) {
+        m_sndcpy.kill();
+    }
+    stop();
+}
+
+bool AudioOutput::start(const QString& serial, int port)
+{
+    if (m_running) {
+        stop();
+    }
+
+    QElapsedTimer timeConsumeCount;
+    timeConsumeCount.start();
+    bool ret = runSndcpyProcess(serial, port);
+    qInfo() << "AudioOutput::run sndcpy cost:" << timeConsumeCount.elapsed() << "milliseconds";
+    if (!ret) {
+        return ret;
+    }
+
+    startAudioOutput();
+    startRecvData(port);
+
+    m_running = true;
+    return true;
+}
+
+void AudioOutput::stop()
+{
+    if (!m_running) {
+        return;
+    }
+    m_running = false;
+
+    stopRecvData();
+    stopAudioOutput();
+}
+
+void AudioOutput::installonly(const QString &serial, int port)
+{
+    runSndcpyProcess(serial, port);
+}
+
+bool AudioOutput::runSndcpyProcess(const QString &serial, int port)
+{
+    if (QProcess::NotRunning != m_sndcpy.state()) {
+        m_sndcpy.kill();
+    }
+
+    QStringList params;
+    params << serial;
+    params << QString("%1").arg(port);
+    m_sndcpy.start("sndcpy.bat", params);
+/*
+    if (!m_sndcpy.waitForStarted()) {
+        qWarning() << "AudioOutput::start sndcpy.bat failed";
+        return false;
+    }
+    if (!m_sndcpy.waitForFinished()) {
+        qWarning() << "AudioOutput::sndcpy.bat crashed";
+        return false;
+    }
+*/
+    return true;
+}
+
+void AudioOutput::startAudioOutput()
+{
+    if (m_audioOutput) {
+        return;
+    }
+
+    QAudioFormat format;
+    format.setSampleRate(48000);
+    format.setChannelCount(2);
+    format.setSampleSize(16);
+    format.setCodec("audio/pcm");
+    format.setByteOrder(QAudioFormat::LittleEndian);
+    format.setSampleType(QAudioFormat::UnSignedInt);
+
+    QAudioDeviceInfo info(QAudioDeviceInfo::defaultOutputDevice());
+    if (!info.isFormatSupported(format)) {
+        qWarning() << "AudioOutput::audio format not supported, cannot play audio.";
+        return;
+    }
+
+    m_audioOutput = new QAudioOutput(format, this);
+    connect(m_audioOutput, &QAudioOutput::stateChanged, this, [](QAudio::State state) {
+        qInfo() << "AudioOutput::audio state changed:" << state;
+    });
+    m_audioOutput->setBufferSize(48000*2*15/1000 * 20);
+    m_outputDevice = m_audioOutput->start();
+}
+
+void AudioOutput::stopAudioOutput()
+{
+    if (!m_audioOutput) {
+        return;
+    }
+
+    m_audioOutput->stop();
+    delete m_audioOutput;
+    m_audioOutput = nullptr;
+}
+
+void AudioOutput::startRecvData(int port)
+{
+    if (m_workerThread.isRunning()) {
+        stopRecvData();
+    }
+
+    auto audioSocket = new QTcpSocket();
+    audioSocket->moveToThread(&m_workerThread);
+    connect(&m_workerThread, &QThread::finished, audioSocket, &QObject::deleteLater);
+
+    connect(this, &AudioOutput::connectTo, audioSocket, [audioSocket](int port) {
+        audioSocket->connectToHost(QHostAddress::LocalHost, port);
+        if (!audioSocket->waitForConnected(500)) {
+            qWarning("AudioOutput::audio socket connect failed");
+            return;
+        }
+        qInfo("AudioOutput::audio socket connect success");
+    });
+    connect(audioSocket, &QIODevice::readyRead, audioSocket, [this, audioSocket]() {
+        qint64 recv = audioSocket->bytesAvailable();
+        //qDebug() << "AudioOutput::recv data:" << recv;
+
+        if (!m_outputDevice) {
+            return;
+        }
+        if (m_buffer.capacity() < recv) {
+            m_buffer.reserve(recv);
+        }
+
+        qint64 count = audioSocket->read(m_buffer.data(), audioSocket->bytesAvailable());
+        m_outputDevice->write(m_buffer.data(), count);
+    });
+    connect(audioSocket, &QTcpSocket::stateChanged, audioSocket, [](QAbstractSocket::SocketState state) {
+        qInfo() << "AudioOutput::audio socket state changed:" << state;
+
+    });
+    connect(audioSocket, &QTcpSocket::errorOccurred, audioSocket, [](QAbstractSocket::SocketError error) {
+        qInfo() << "AudioOutput::audio socket error occurred:" << error;
+    });
+
+    m_workerThread.start();
+    emit connectTo(port);
+}
+
+void AudioOutput::stopRecvData()
+{
+    if (!m_workerThread.isRunning()) {
+        return;
+    }
+
+    m_workerThread.quit();
+    m_workerThread.wait();
+}

QtScrcpy/audio/audiooutput.h

@@ -0,0 +1,41 @@
+#ifndef AUDIOOUTPUT_H
+#define AUDIOOUTPUT_H
+
+#include <QThread>
+#include <QProcess>
+#include <QPointer>
+#include <QVector>
+
+class QAudioOutput;
+class QIODevice;
+class AudioOutput : public QObject
+{
+    Q_OBJECT
+public:
+    explicit AudioOutput(QObject *parent = nullptr);
+    ~AudioOutput();
+
+    bool start(const QString& serial, int port);
+    void stop();
+    void installonly(const QString& serial, int port);
+
+private:
+    bool runSndcpyProcess(const QString& serial, int port);
+    void startAudioOutput();
+    void stopAudioOutput();
+    void startRecvData(int port);
+    void stopRecvData();
+
+signals:
+    void connectTo(int port);
+
+private:
+    QAudioOutput* m_audioOutput = nullptr;
+    QPointer<QIODevice> m_outputDevice;
+    QThread m_workerThread;
+    QProcess m_sndcpy;
+    QVector<char> m_buffer;
+    bool m_running = false;
+};
+
+#endif // AUDIOOUTPUT_H

QtScrcpy/res/i18n/en_US.ts

@@ -273,5 +273,17 @@
         <source>refresh devices</source>
         <translation>refresh devices</translation>
     </message>
+    <message>
+        <source>install sndcpy</source>
+        <translation>install sndcpy</translation>
+    </message>
+    <message>
+        <source>start audio</source>
+        <translation>start audio</translation>
+    </message>
+    <message>
+        <source>stop audio</source>
+        <translation>stop audio</translation>
+    </message>
 </context>
 </TS>

QtScrcpy/res/i18n/zh_CN.ts

@@ -273,5 +273,17 @@
         <source>refresh devices</source>
         <translation>刷新设备列表</translation>
     </message>
+    <message>
+        <source>install sndcpy</source>
+        <translation>安装sndcpy</translation>
+    </message>
+    <message>
+        <source>start audio</source>
+        <translation>开始音频</translation>
+    </message>
+    <message>
+        <source>stop audio</source>
+        <translation>停止音频</translation>
+    </message>
 </context>
 </TS>

QtScrcpy/sndcpy/sndcpy.bat

@@ -0,0 +1,53 @@
+@echo off
+
+echo Begin Runing...
+set SNDCPY_PORT=28200
+set SNDCPY_APK=sndcpy.apk
+set ADB=adb.exe
+
+if not "%1"=="" (
+    set serial=-s %1
+)
+if not "%2"=="" (
+    set SNDCPY_PORT=%2
+)
+
+echo Waiting for device %1...
+%ADB% %serial% wait-for-device || goto :error
+echo Find device %1
+
+for /f "delims=" %%i in ('%ADB% %serial% shell pm path com.rom1v.sndcpy') do set sndcpy_installed=%%i
+if "%sndcpy_installed%"=="" (
+    echo Install %SNDCPY_APK%... 
+    %ADB% %serial% uninstall com.rom1v.sndcpy || goto :error
+    %ADB% %serial% install -t -r -g %SNDCPY_APK% || goto :error
+    echo Install %SNDCPY_APK% success
+)
+
+echo Request PROJECT_MEDIA permission...
+%ADB% %serial% shell appops set com.rom1v.sndcpy PROJECT_MEDIA allow
+
+echo Forward port %SNDCPY_PORT%...
+%ADB% %serial% forward tcp:%SNDCPY_PORT% localabstract:sndcpy || goto :error
+
+echo Start %SNDCPY_APK%...
+%ADB% %serial% shell am start com.rom1v.sndcpy/.MainActivity || goto :error
+
+:check_start
+echo Waiting %SNDCPY_APK% start...
+::timeout /T 1 /NOBREAK > nul
+%ADB% %serial% shell sleep 0.1
+for /f "delims=" %%i in ("%ADB% shell 'ps | grep com.rom1v.sndcpy'") do set sndcpy_started=%%i
+if "%sndcpy_started%"=="" (
+    goto :check_start
+)
+echo %SNDCPY_APK% started...
+
+echo Ready playing...
+::vlc.exe -Idummy --demux rawaud --network-caching=0 --play-and-exit tcp://localhost:%SNDCPY_PORT%
+::ffplay.exe -nodisp -autoexit -probesize 32 -sync ext -f s16le -ar 48k -ac 2 tcp://localhost:%SNDCPY_PORT%
+goto :EOF
+
+:error
+echo Failed with error #%errorlevel%.
+exit /b %errorlevel%

QtScrcpy/ui/dialog.cpp

@@ -687,3 +687,27 @@ const QString &Dialog::getServerPath()
     }
     return serverPath;
 }
+
+void Dialog::on_startAudioBtn_clicked()
+{
+    if (ui->serialBox->count() == 0) {
+        qWarning() << "No device is connected!";
+        return;
+    }
+
+    m_audioOutput.start(ui->serialBox->currentText(), 28200);
+}
+
+void Dialog::on_stopAudioBtn_clicked()
+{
+    m_audioOutput.stop();
+}
+
+void Dialog::on_installSndcpyBtn_clicked()
+{
+    if (ui->serialBox->count() == 0) {
+        qWarning() << "No device is connected!";
+        return;
+    }
+    m_audioOutput.installonly(ui->serialBox->currentText(), 28200);
+}

QtScrcpy/ui/dialog.h

@@ -11,6 +11,7 @@
 
 #include "adbprocess.h"
 #include "../QtScrcpyCore/include/QtScrcpyCore.h"
+#include "audio/audiooutput.h"
 
 namespace Ui
 {
@@ -57,6 +58,12 @@ private slots:
     void on_useSingleModeCheck_clicked();
     void on_serialBox_currentIndexChanged(const QString &arg1);
 
+    void on_startAudioBtn_clicked();
+
+    void on_stopAudioBtn_clicked();
+
+    void on_installSndcpyBtn_clicked();
+
 private:
     bool checkAdbRun();
     void initUI();
@@ -79,6 +86,7 @@ private:
     QMenu *m_menu;
     QAction *m_showWindow;
     QAction *m_quit;
+    AudioOutput m_audioOutput;
 };
 
 #endif // DIALOG_H

QtScrcpy/ui/dialog.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>1293</width>
-    <height>419</height>
+    <height>454</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -941,6 +941,45 @@
            </layout>
           </widget>
          </item>
+         <item>
+          <widget class="QWidget" name="usbWidget3" native="true">
+           <layout class="QHBoxLayout" name="horizontalLayout_12">
+            <property name="leftMargin">
+             <number>0</number>
+            </property>
+            <property name="topMargin">
+             <number>0</number>
+            </property>
+            <property name="rightMargin">
+             <number>0</number>
+            </property>
+            <property name="bottomMargin">
+             <number>0</number>
+            </property>
+            <item>
+             <widget class="QPushButton" name="installSndcpyBtn">
+              <property name="text">
+               <string>install sndcpy</string>
+              </property>
+             </widget>
+            </item>
+            <item>
+             <widget class="QPushButton" name="startAudioBtn">
+              <property name="text">
+               <string>start audio</string>
+              </property>
+             </widget>
+            </item>
+            <item>
+             <widget class="QPushButton" name="stopAudioBtn">
+              <property name="text">
+               <string>stop audio</string>
+              </property>
+             </widget>
+            </item>
+           </layout>
+          </widget>
+         </item>
         </layout>
        </widget>
       </item>