diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index b4e78f8..f61566c 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -1,5 +1,6 @@
 add_subdirectory(ffmpegplayer)
 add_subdirectory(ffmpegtranscoder)
+add_subdirectory(qplayer)
 
 if(BUILD_MPV)
   add_subdirectory(mpvplayer)
diff --git a/examples/common/controlwidget.cc b/examples/common/controlwidget.cc
index 0553dc4..2abe37b 100644
--- a/examples/common/controlwidget.cc
+++ b/examples/common/controlwidget.cc
@@ -131,9 +131,6 @@ ControlWidget::ControlWidget(QWidget *parent)
     : QWidget{parent}
     , d_ptr(new ControlWidgetPrivate(this))
 {
-    setWindowFlags(windowFlags() | Qt::FramelessWindowHint | Qt::Tool);
-    setAttribute(Qt::WA_TranslucentBackground); //设置窗口背景透明
-
     d_ptr->setupUI();
     buildConnect();
     d_ptr->initModelButton();
@@ -213,7 +210,7 @@ void ControlWidget::setDuration(int value)
     setPosition(0);
 }
 
-#ifdef MPV_ON
+#if defined(MPV_ON)
 void ControlWidget::setChapters(const Mpv::Chapters &chapters)
 {
     QVector<qint64> nodes;
@@ -222,7 +219,7 @@ void ControlWidget::setChapters(const Mpv::Chapters &chapters)
     }
     d_ptr->slider->setNodes(nodes);
 }
-#else
+#elif defined(FFMPEG_ON)
 void ControlWidget::setChapters(const Ffmpeg::Chapters &chapters)
 {
     QVector<qint64> nodes;
diff --git a/examples/common/controlwidget.hpp b/examples/common/controlwidget.hpp
index 07d61b1..f725c28 100644
--- a/examples/common/controlwidget.hpp
+++ b/examples/common/controlwidget.hpp
@@ -1,9 +1,9 @@
 #ifndef CONTROLWIDGET_HPP
 #define CONTROLWIDGET_HPP
 
-#ifdef MPV_ON
+#if defined(MPV_ON)
 #include <mpv/mediainfo.hpp>
-#else
+#elif defined(FFMPEG_ON)
 #include <ffmpeg/mediainfo.hpp>
 #endif
 
@@ -21,9 +21,9 @@ class ControlWidget : public QWidget
 
     void setDuration(int value);
     [[nodiscard]] auto duration() const -> int;
-#ifdef MPV_ON
+#if defined(MPV_ON)
     void setChapters(const Mpv::Chapters &chapters);
-#else
+#elif defined(FFMPEG_ON)
     void setChapters(const Ffmpeg::Chapters &chapters);
 #endif
     [[nodiscard]] auto sliderGlobalPos() const -> QPoint;
diff --git a/examples/common/titlewidget.cc b/examples/common/titlewidget.cc
index 7b43f8c..4edd4c9 100644
--- a/examples/common/titlewidget.cc
+++ b/examples/common/titlewidget.cc
@@ -25,8 +25,6 @@ TitleWidget::TitleWidget(QWidget *parent)
     : QWidget{parent}
     , d_ptr(new TitleWidgetPrivate(this))
 {
-    setWindowFlags(windowFlags() | Qt::FramelessWindowHint | Qt::Tool);
-    setAttribute(Qt::WA_TranslucentBackground);
 
     setupUI();
     buildConnect();
diff --git a/examples/examples.pro b/examples/examples.pro
index 09dc8a9..2f0607f 100644
--- a/examples/examples.pro
+++ b/examples/examples.pro
@@ -3,7 +3,8 @@ CONFIG += ordered
 
 SUBDIRS += \
     ffmpegplayer \
-    ffmpegtranscoder
+    ffmpegtranscoder \
+    qplayer
 
 win32 {
     exists("C:/3rd/x64/mpv/include"){
diff --git a/examples/ffmpegplayer/CMakeLists.txt b/examples/ffmpegplayer/CMakeLists.txt
index 8745840..0a1d974 100644
--- a/examples/ffmpegplayer/CMakeLists.txt
+++ b/examples/ffmpegplayer/CMakeLists.txt
@@ -24,6 +24,7 @@ set(PROJECT_SOURCES
     mainwindow.h)
 
 qt_add_executable(FfmpegPlayer MANUAL_FINALIZATION ${PROJECT_SOURCES})
+target_compile_definitions(FfmpegPlayer PRIVATE "FFMPEG_ON")
 target_link_libraries(
   FfmpegPlayer
   PRIVATE ffmpeg
@@ -31,9 +32,9 @@ target_link_libraries(
           thirdparty
           dump
           utils
-          Qt6::Widgets
-          Qt6::Multimedia
-          Qt6::OpenGLWidgets)
+          Qt::Widgets
+          Qt::Multimedia
+          Qt::OpenGLWidgets)
 target_link_libraries(FfmpegPlayer PRIVATE PkgConfig::ffmpeg)
 if(CMAKE_HOST_APPLE)
   target_link_libraries(
diff --git a/examples/ffmpegplayer/mainwindow.cpp b/examples/ffmpegplayer/mainwindow.cpp
index 2c6082d..eb2977f 100644
--- a/examples/ffmpegplayer/mainwindow.cpp
+++ b/examples/ffmpegplayer/mainwindow.cpp
@@ -18,6 +18,7 @@
 #include <ffmpeg/videorender/videorendercreate.hpp>
 #include <ffmpeg/widgets/mediainfodialog.hpp>
 
+#include <QMediaDevices>
 #include <QtWidgets>
 
 class MainWindow::MainWindowPrivate
@@ -32,14 +33,6 @@ class MainWindow::MainWindowPrivate
         titleWidget = new TitleWidget(q_ptr);
         titleWidget->setMinimumHeight(80);
         titleWidget->setVisible(false);
-        auto *bottomLayout = new QHBoxLayout;
-        bottomLayout->addStretch();
-        bottomLayout->addWidget(controlWidget);
-        bottomLayout->addStretch();
-        controlLayout = new QVBoxLayout;
-        controlLayout->addWidget(titleWidget);
-        controlLayout->addStretch();
-        controlLayout->addLayout(bottomLayout);
 
         playlistModel = new PlaylistModel(q_ptr);
         playlistView = new PlayListView(q_ptr);
@@ -47,9 +40,9 @@ class MainWindow::MainWindowPrivate
         playlistView->setCurrentIndex(
             playlistModel->index(playlistModel->playlist()->currentIndex(), 0));
         //playlistView->setMaximumWidth(250);
+        playListMenu = new QMenu(q_ptr);
 
         menu = new QMenu(q_ptr);
-
         videoMenu = new QMenu(QCoreApplication::translate("MainWindowPrivate", "Video"), q_ptr);
         audioMenu = new QMenu(QCoreApplication::translate("MainWindowPrivate", "Audio"), q_ptr);
         subMenu = new QMenu(QCoreApplication::translate("MainWindowPrivate", "Subtitles"), q_ptr);
@@ -64,18 +57,29 @@ class MainWindow::MainWindowPrivate
         mediaInfoAction = new QAction(QCoreApplication::translate("MainWindowPrivate", "Media Info"),
                                       q_ptr);
 
-        playListMenu = new QMenu(q_ptr);
-
         fpsTimer = new QTimer(q_ptr);
 
-        splitter = new QSplitter(q_ptr);
-        splitter->addWidget(playlistView);
-
         initShortcut();
     }
 
     ~MainWindowPrivate() = default;
 
+    void setupUI()
+    {
+        auto *bottomLayout = new QHBoxLayout;
+        bottomLayout->addStretch();
+        bottomLayout->addWidget(controlWidget);
+        bottomLayout->addStretch();
+        controlLayout = new QVBoxLayout;
+        controlLayout->addWidget(titleWidget);
+        controlLayout->addStretch();
+        controlLayout->addLayout(bottomLayout);
+
+        splitter = new QSplitter(q_ptr);
+        splitter->addWidget(playlistView);
+        q_ptr->setCentralWidget(splitter);
+    }
+
     auto createToneMappingMenu() -> QMenu *
     {
         auto *group = new QActionGroup(q_ptr);
@@ -242,6 +246,24 @@ class MainWindow::MainWindowPrivate
         controlWidget->setPosition(0);
     }
 
+    void addToPlaylist(const QList<QUrl> &urls)
+    {
+        auto *playlist = playlistModel->playlist();
+        const int previousMediaCount = playlist->mediaCount();
+        for (const auto &url : urls) {
+            if (isPlaylist(url)) {
+                playlist->load(url);
+            } else {
+                playlist->addMedia(url);
+            }
+        }
+        if (playlist->mediaCount() > previousMediaCount) {
+            auto index = playlistModel->index(previousMediaCount, 0);
+            playlistView->setCurrentIndex(index);
+            q_ptr->jump(index);
+        }
+    }
+
     MainWindow *q_ptr;
 
     QScopedPointer<Ffmpeg::Player> playerPtr;
@@ -254,6 +276,8 @@ class MainWindow::MainWindowPrivate
 
     PlayListView *playlistView;
     PlaylistModel *playlistModel;
+    QMenu *playListMenu;
+    QSplitter *splitter;
 
     QMenu *menu;
 
@@ -271,12 +295,8 @@ class MainWindow::MainWindowPrivate
 
     QAction *mediaInfoAction;
 
-    QMenu *playListMenu;
-
     QTimer *fpsTimer;
 
-    QSplitter *splitter;
-
     Ffmpeg::ToneMapping::Type toneMappingType = Ffmpeg::ToneMapping::Type::AUTO;
     Ffmpeg::ColorUtils::Primaries::Type primarisType = Ffmpeg::ColorUtils::Primaries::Type::AUTO;
 };
@@ -287,7 +307,12 @@ MainWindow::MainWindow(QWidget *parent)
 {
     Ffmpeg::printFfmpegInfo();
 
-    setupUI();
+    // QPlatformMediaDevices中有一个static std::unique_ptr<QPlatformMediaDevices> create();
+    // 这个QPlatformMediaDevices最终会在主线程释放，需要在主线程创建
+    // 如果在主线程创建，会导致退出程序崩溃，ASSERT: "m_threadId == GetCurrentThreadId()"
+    QMediaDevices mediaDevices;
+
+    d_ptr->setupUI();
     buildConnect();
     initMenu();
     initPlayListMenu();
@@ -369,7 +394,7 @@ void MainWindow::onOpenLocalMedia()
     if (urls.isEmpty()) {
         return;
     }
-    addToPlaylist(urls);
+    d_ptr->addToPlaylist(urls);
 }
 
 void MainWindow::onOpenWebMedia()
@@ -379,7 +404,7 @@ void MainWindow::onOpenWebMedia()
     if (dialog.exec() != QDialog::Accepted) {
         return;
     }
-    addToPlaylist({QUrl(dialog.url())});
+    d_ptr->addToPlaylist({QUrl(dialog.url())});
 }
 
 void MainWindow::onRenderChanged(QAction *action)
@@ -552,7 +577,7 @@ auto MainWindow::eventFilter(QObject *watched, QEvent *event) -> bool
             auto *ev = dynamic_cast<QDropEvent *>(event);
             auto urls = ev->mimeData()->urls();
             if (!urls.isEmpty()) {
-                addToPlaylist(urls);
+                d_ptr->addToPlaylist(urls);
             }
         } break;
         case QEvent::ContextMenu: {
@@ -619,11 +644,6 @@ void MainWindow::keyPressEvent(QKeyEvent *event)
     }
 }
 
-void MainWindow::setupUI()
-{
-    setCentralWidget(d_ptr->splitter);
-}
-
 void MainWindow::buildConnect()
 {
     connect(d_ptr->playerPtr.data(),
@@ -776,21 +796,3 @@ void MainWindow::initPlayListMenu()
         d_ptr->playlistModel->playlist()->clear();
     });
 }
-
-void MainWindow::addToPlaylist(const QList<QUrl> &urls)
-{
-    auto *playlist = d_ptr->playlistModel->playlist();
-    const int previousMediaCount = playlist->mediaCount();
-    for (const auto &url : urls) {
-        if (isPlaylist(url)) {
-            playlist->load(url);
-        } else {
-            playlist->addMedia(url);
-        }
-    }
-    if (playlist->mediaCount() > previousMediaCount) {
-        auto index = d_ptr->playlistModel->index(previousMediaCount, 0);
-        d_ptr->playlistView->setCurrentIndex(index);
-        jump(index);
-    }
-}
diff --git a/examples/ffmpegplayer/mainwindow.h b/examples/ffmpegplayer/mainwindow.h
index 8e8e8d9..a14be94 100644
--- a/examples/ffmpegplayer/mainwindow.h
+++ b/examples/ffmpegplayer/mainwindow.h
@@ -35,12 +35,10 @@ private slots:
     void keyPressEvent(QKeyEvent *event) override;
 
 private:
-    void setupUI();
     void buildConnect();
     void initMenu();
     void renderMenu();
     void initPlayListMenu();
-    void addToPlaylist(const QList<QUrl> &urls);
 
     class MainWindowPrivate;
     QScopedPointer<MainWindowPrivate> d_ptr;
diff --git a/examples/ffmpegtranscoder/CMakeLists.txt b/examples/ffmpegtranscoder/CMakeLists.txt
index da878f6..03026a9 100644
--- a/examples/ffmpegtranscoder/CMakeLists.txt
+++ b/examples/ffmpegtranscoder/CMakeLists.txt
@@ -37,9 +37,9 @@ target_link_libraries(
           thirdparty
           dump
           utils
-          Qt6::Widgets
-          Qt6::Multimedia
-          Qt6::OpenGLWidgets)
+          Qt::Widgets
+          Qt::Multimedia
+          Qt::OpenGLWidgets)
 target_link_libraries(FfmpegTranscoder PRIVATE PkgConfig::ffmpeg)
 
 if(CMAKE_HOST_APPLE)
diff --git a/examples/mpvplayer/CMakeLists.txt b/examples/mpvplayer/CMakeLists.txt
index b17f5af..fcbb489 100644
--- a/examples/mpvplayer/CMakeLists.txt
+++ b/examples/mpvplayer/CMakeLists.txt
@@ -36,10 +36,10 @@ target_link_libraries(
           thirdparty
           dump
           utils
-          Qt6::Widgets
-          Qt6::Multimedia
-          Qt6::Network
-          Qt6::OpenGLWidgets)
+          Qt::Widgets
+          Qt::Multimedia
+          Qt::Network
+          Qt::OpenGLWidgets)
 if(CMAKE_HOST_WIN32)
   target_link_libraries(MpvPlayer PRIVATE C:\\3rd\\x64\\mpv\\libmpv.dll.a)
   file(COPY C:\\3rd\\x64\\mpv\\libmpv-2.dll
diff --git a/examples/mpvplayer/mainwindow.cc b/examples/mpvplayer/mainwindow.cc
index 6e854aa..340d09e 100644
--- a/examples/mpvplayer/mainwindow.cc
+++ b/examples/mpvplayer/mainwindow.cc
@@ -46,6 +46,11 @@ class MainWindow::MainWindowPrivate
         logWindow->show();
         logWindow->move(qApp->primaryScreen()->availableGeometry().topLeft());
 
+        floatingWidget = new QWidget(q_ptr);
+        floatingWidget->setWindowFlags(floatingWidget->windowFlags() | Qt::FramelessWindowHint
+                                       | Qt::Tool);
+        floatingWidget->setAttribute(Qt::WA_TranslucentBackground); //设置窗口背景透明
+        floatingWidget->setVisible(true);
         controlWidget = new ControlWidget(q_ptr);
         controlWidget->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
         titleWidget = new TitleWidget(q_ptr);
@@ -213,17 +218,13 @@ class MainWindow::MainWindowPrivate
     {
         new QShortcut(QKeySequence::MoveToNextChar, q_ptr, q_ptr, [this] {
             mpvPlayer->seekRelative(5);
-            titleWidget->setText(
+            setTitleWidgetText(
                 QCoreApplication::translate("MainWindowPrivate", "Fast forward: 5 seconds"));
-            titleWidget->setAutoHide(3000);
-            setTitleWidgetGeometry(true);
         });
         new QShortcut(QKeySequence::MoveToPreviousChar, q_ptr, q_ptr, [this] {
             mpvPlayer->seekRelative(-5);
-            titleWidget->setText(
+            setTitleWidgetText(
                 QCoreApplication::translate("MainWindowPrivate", "Fast return: 5 seconds"));
-            titleWidget->setAutoHide(3000);
-            setTitleWidgetGeometry(true);
         });
         new QShortcut(QKeySequence::MoveToPreviousLine, q_ptr, q_ptr, [this] {
             controlWidget->setVolume(controlWidget->volume() + 10);
@@ -234,18 +235,16 @@ class MainWindow::MainWindowPrivate
         new QShortcut(Qt::Key_Space, q_ptr, q_ptr, [this] { pause(); });
     }
 
-    void setupUI() const
+    void setupUI()
     {
-#ifndef Q_OS_WIN
-        auto controlLayout = new QHBoxLayout;
+        auto *controlLayout = new QHBoxLayout;
         controlLayout->addStretch();
         controlLayout->addWidget(controlWidget);
         controlLayout->addStretch();
-        auto layout = new QVBoxLayout(mpvWidget);
+        auto *layout = new QVBoxLayout(floatingWidget);
         layout->addWidget(titleWidget);
         layout->addStretch();
         layout->addLayout(controlLayout);
-#endif
 
         auto *splitter = new QSplitter(q_ptr);
         splitter->setHandleWidth(0);
@@ -256,42 +255,32 @@ class MainWindow::MainWindowPrivate
         q_ptr->setCentralWidget(splitter);
     }
 
+    void setTitleWidgetText(const QString &text)
+    {
+        setTitleWidgetGeometry(true);
+        titleWidget->setText(text);
+        titleWidget->setAutoHide(3000);
+    }
+
     void setControlWidgetGeometry(bool show = true)
     {
-#ifdef Q_OS_WIN
-        controlWidget->setFixedSize({QWIDGETSIZE_MAX, QWIDGETSIZE_MAX});
-        controlWidget->setMinimumWidth(mpvWidget->width() / 2);
-        controlWidget->adjustSize();
-        if (controlWidget->width() * 2 < mpvWidget->width()) {
-            controlWidget->setMinimumWidth(mpvWidget->width() / 2);
-        }
-        auto margain = 10;
-        auto geometry = mpvWidget->geometry();
-        auto p1 = QPoint(geometry.x() + (geometry.width() - controlWidget->width()) / 2.0,
-                         geometry.bottomLeft().y() - controlWidget->height() - margain);
-        globalControlWidgetGeometry = {q_ptr->mapToGlobal(p1), controlWidget->size()};
-        controlWidget->setFixedSize(globalControlWidgetGeometry.size());
-        controlWidget->setGeometry(globalControlWidgetGeometry);
+        controlWidget->setVisible(true);
+        setFloatingWidgetGeometry(show);
         controlWidget->setVisible(show);
-#else
-        controlWidget->setVisible(show);
-#endif
     }
 
     void setTitleWidgetGeometry(bool show = true)
     {
-#ifdef Q_OS_WIN
-        auto margain = 10;
-        auto geometry = mpvWidget->geometry();
-        auto p1 = QPoint(geometry.x() + margain, geometry.y() + margain);
-        auto p2 = QPoint(geometry.topRight().x() - margain, geometry.y() + margain + 80);
-        globalTitlelWidgetGeometry = {q_ptr->mapToGlobal(p1), q_ptr->mapToGlobal(p2)};
-        titleWidget->setFixedSize(globalTitlelWidgetGeometry.size());
-        titleWidget->setGeometry(globalTitlelWidgetGeometry);
+        titleWidget->setVisible(true);
+        setFloatingWidgetGeometry(show);
         titleWidget->setVisible(show);
-#else
-        titleWidget->setVisible(show);
-#endif
+    }
+
+    void setFloatingWidgetGeometry(bool show = true)
+    {
+        auto geometry = mpvWidget->geometry();
+        geometry = QRect{q_ptr->mapToGlobal(geometry.topLeft()), geometry.size()};
+        floatingWidget->setGeometry(geometry);
     }
 
     void pause() const { mpvPlayer->pauseAsync(); }
@@ -303,12 +292,9 @@ class MainWindow::MainWindowPrivate
     QScopedPointer<Mpv::PreviewWidget> previewWidgetPtr;
     Mpv::MpvLogWindow *logWindow;
 
+    QWidget *floatingWidget;
     ControlWidget *controlWidget;
     TitleWidget *titleWidget;
-#ifdef Q_OS_WIN
-    QRect globalTitlelWidgetGeometry;
-    QRect globalControlWidgetGeometry;
-#endif
 
     PlayListView *playlistView;
     PlaylistModel *playlistModel;
@@ -580,7 +566,6 @@ auto MainWindow::eventFilter(QObject *watched, QEvent *event) -> bool
             auto *e = static_cast<QContextMenuEvent *>(event);
             d_ptr->menu->exec(e->globalPos());
         } break;
-#ifdef Q_OS_WIN
         case QEvent::Resize:
             QMetaObject::invokeMethod(
                 this,
@@ -590,7 +575,6 @@ auto MainWindow::eventFilter(QObject *watched, QEvent *event) -> bool
                 },
                 Qt::QueuedConnection);
             break;
-#endif
             //        case QEvent::MouseButtonPress: {
             //            auto e = static_cast<QMouseEvent *>(event);
             //            if (e->button() & Qt::LeftButton) {
@@ -617,7 +601,6 @@ auto MainWindow::eventFilter(QObject *watched, QEvent *event) -> bool
         }
     } else if (watched == this) {
         switch (event->type()) {
-#ifdef Q_OS_WIN
         case QEvent::Show:
         case QEvent::Move:
             QMetaObject::invokeMethod(
@@ -628,50 +611,19 @@ auto MainWindow::eventFilter(QObject *watched, QEvent *event) -> bool
                 },
                 Qt::QueuedConnection);
             break;
-        case QEvent::Hide: d_ptr->controlWidget->hide(); break;
-        case QEvent::HoverMove:
-            if (d_ptr->globalControlWidgetGeometry.isValid()) {
-                auto *e = static_cast<QHoverEvent *>(event);
-                bool contain = d_ptr->globalControlWidgetGeometry.contains(
-                    e->globalPosition().toPoint());
-                bool isVisible = d_ptr->controlWidget->isVisible();
-                if (contain && !isVisible) {
-                    d_ptr->setControlWidgetGeometry(true);
-                } else if (!contain && isVisible) {
-                    d_ptr->controlWidget->hide();
-                }
-            }
-            if (d_ptr->globalTitlelWidgetGeometry.isValid() && isFullScreen()) {
-                auto *e = static_cast<QHoverEvent *>(event);
-                bool contain = d_ptr->globalTitlelWidgetGeometry.contains(
-                    e->globalPosition().toPoint());
-                bool isVisible = d_ptr->titleWidget->isVisible();
-                if (contain && !isVisible) {
-                    d_ptr->titleWidget->setText(windowTitle());
-                    d_ptr->setTitleWidgetGeometry(true);
-                } else if (!contain && isVisible) {
-                    d_ptr->titleWidget->hide();
-                }
-            }
-            break;
-#else
+        case QEvent::Hide: d_ptr->setFloatingWidgetGeometry(false); break;
         case QEvent::HoverMove: {
-            d_ptr->controlWidget->show();
-            d_ptr->controlWidget->hide();
             auto controlWidgetGeometry = d_ptr->controlWidget->geometry();
             auto e = static_cast<QHoverEvent *>(event);
             bool contain = controlWidgetGeometry.contains(e->position().toPoint());
             d_ptr->setControlWidgetGeometry(contain);
             if (isFullScreen()) {
-                d_ptr->titleWidget->show();
-                d_ptr->titleWidget->hide();
                 auto titleWidgetGeometry = d_ptr->titleWidget->geometry();
                 contain = titleWidgetGeometry.contains(e->position().toPoint());
                 d_ptr->setTitleWidgetGeometry(contain);
             }
             break;
         }
-#endif
         default: break;
         }
     }
@@ -731,19 +683,15 @@ void MainWindow::buildConnect()
             &QMediaPlaylist::next);
     connect(d_ptr->controlWidget, &ControlWidget::seek, d_ptr->mpvPlayer, [this](int value) {
         d_ptr->mpvPlayer->seek(value);
-        d_ptr->titleWidget->setText(
+        d_ptr->setTitleWidgetText(
             tr("Fast forward to: %1")
                 .arg(QTime::fromMSecsSinceStartOfDay(value * 1000).toString("hh:mm:ss")));
-        d_ptr->titleWidget->setAutoHide(3000);
-        d_ptr->setTitleWidgetGeometry(true);
     });
     connect(d_ptr->controlWidget, &ControlWidget::hoverPosition, this, &MainWindow::onPreview);
     connect(d_ptr->controlWidget, &ControlWidget::leavePosition, this, &MainWindow::onPreviewFinish);
     connect(d_ptr->controlWidget, &ControlWidget::volumeChanged, d_ptr->mpvPlayer, [this](int value) {
         d_ptr->mpvPlayer->setVolume(value);
-        d_ptr->titleWidget->setText(tr("Volume: %1%").arg(value));
-        d_ptr->titleWidget->setAutoHide(3000);
-        d_ptr->setTitleWidgetGeometry(true);
+        d_ptr->setTitleWidgetText(tr("Volume: %1%").arg(value));
     });
     auto max = d_ptr->mpvPlayer->volumeMax();
     d_ptr->controlWidget->setVolumeMax(max);
@@ -753,9 +701,7 @@ void MainWindow::buildConnect()
             d_ptr->mpvPlayer,
             [this](double value) {
                 d_ptr->mpvPlayer->setSpeed(value);
-                d_ptr->titleWidget->setText(tr("Speed: %1").arg(value));
-                d_ptr->titleWidget->setAutoHide(3000);
-                d_ptr->setTitleWidgetGeometry(true);
+                d_ptr->setTitleWidgetText(tr("Speed: %1").arg(value));
             });
     connect(d_ptr->controlWidget,
             &ControlWidget::modelChanged,
diff --git a/examples/qplayer/CMakeLists.txt b/examples/qplayer/CMakeLists.txt
new file mode 100644
index 0000000..89239b7
--- /dev/null
+++ b/examples/qplayer/CMakeLists.txt
@@ -0,0 +1,33 @@
+find_package(Qt6 REQUIRED COMPONENTS MultimediaWidgets)
+
+set(PROJECT_SOURCES
+    ../common/controlwidget.cc
+    ../common/controlwidget.hpp
+    ../common/equalizerdialog.cpp
+    ../common/equalizerdialog.h
+    ../common/openwebmediadialog.cc
+    ../common/openwebmediadialog.hpp
+    ../common/playlistmodel.cpp
+    ../common/playlistmodel.h
+    ../common/playlistview.cc
+    ../common/playlistview.hpp
+    ../common/qmediaplaylist_p.cpp
+    ../common/qmediaplaylist_p.h
+    ../common/qmediaplaylist.cpp
+    ../common/qmediaplaylist.h
+    ../common/qplaylistfileparser.cpp
+    ../common/qplaylistfileparser.h
+    ../common/slider.cpp
+    ../common/slider.h
+    ../common/titlewidget.cc
+    ../common/titlewidget.hpp
+    main.cc
+    mainwindow.cc
+    mainwindow.hpp
+    videowidget.cc
+    videowidget.hpp)
+
+qt_add_executable(QPlayer MANUAL_FINALIZATION ${PROJECT_SOURCES})
+target_link_libraries(QPlayer PRIVATE mediaconfig thirdparty dump utils
+                                      Qt::MultimediaWidgets Qt::Network)
+qt_finalize_executable(QPlayer)
diff --git a/examples/qplayer/main.cc b/examples/qplayer/main.cc
new file mode 100644
index 0000000..d8b1b2d
--- /dev/null
+++ b/examples/qplayer/main.cc
@@ -0,0 +1,82 @@
+#include "mainwindow.hpp"
+
+#include <3rdparty/qtsingleapplication/qtsingleapplication.h>
+#include <dump/breakpad.hpp>
+#include <examples/appinfo.hpp>
+#include <utils/logasync.h>
+#include <utils/utils.h>
+
+#include <QApplication>
+#include <QDir>
+#include <QNetworkProxyFactory>
+#include <QStyle>
+
+#define AppName "QPlayer"
+
+void setAppInfo()
+{
+    qApp->setApplicationVersion(AppInfo::version.toString());
+    qApp->setApplicationDisplayName(AppName);
+    qApp->setApplicationName(AppName);
+    qApp->setDesktopFileName(AppName);
+    qApp->setOrganizationDomain(AppInfo::organizationDomain);
+    qApp->setOrganizationName(AppInfo::organzationName);
+    qApp->setWindowIcon(qApp->style()->standardIcon(QStyle::SP_MediaPlay));
+}
+
+int main(int argc, char *argv[])
+{
+#if defined(Q_OS_WIN) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+    if (!qEnvironmentVariableIsSet("QT_OPENGL")) {
+        QCoreApplication::setAttribute(Qt::AA_UseOpenGLES);
+    }
+#else
+    qputenv("QSG_RHI_BACKEND", "opengl");
+#endif
+    Utils::setHighDpiEnvironmentVariable();
+
+    Utils::setSurfaceFormatVersion(3, 3);
+
+    SharedTools::QtSingleApplication::setAttribute(Qt::AA_ShareOpenGLContexts);
+    SharedTools::QtSingleApplication app(AppName, argc, argv);
+    if (app.isRunning()) {
+        qWarning() << "This is already running";
+        if (app.sendMessage("raise_window_noop", 5000)) {
+            return EXIT_SUCCESS;
+        }
+    }
+#ifdef Q_OS_WIN
+    if (!qFuzzyCompare(app.devicePixelRatio(), 1.0)
+        && QApplication::style()->objectName().startsWith(QLatin1String("windows"),
+                                                          Qt::CaseInsensitive)) {
+        QApplication::setStyle(QLatin1String("fusion"));
+    }
+#endif
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+    app.setAttribute(Qt::AA_UseHighDpiPixmaps);
+    app.setAttribute(Qt::AA_DisableWindowContextHelpButton);
+#endif
+    setAppInfo();
+    Dump::BreakPad::instance()->setDumpPath(Utils::crashPath());
+    QDir::setCurrent(app.applicationDirPath());
+
+    // 异步日志
+    auto *log = Utils::LogAsync::instance();
+    log->setLogPath(Utils::logPath());
+    log->setAutoDelFile(true);
+    log->setAutoDelFileDays(7);
+    log->setOrientation(Utils::LogAsync::Orientation::StdAndFile);
+    log->setLogLevel(QtDebugMsg);
+    log->startWork();
+
+    // Make sure we honor the system's proxy settings
+    QNetworkProxyFactory::setUseSystemConfiguration(true);
+
+    MainWindow w;
+    app.setActivationWindow(&w);
+    w.show();
+
+    auto ret = app.exec();
+    log->stop();
+    return ret;
+}
diff --git a/examples/qplayer/mainwindow.cc b/examples/qplayer/mainwindow.cc
new file mode 100644
index 0000000..84c7a31
--- /dev/null
+++ b/examples/qplayer/mainwindow.cc
@@ -0,0 +1,510 @@
+#include "mainwindow.hpp"
+#include "videowidget.hpp"
+
+#include <examples/common/controlwidget.hpp>
+#include <examples/common/openwebmediadialog.hpp>
+#include <examples/common/playlistmodel.h>
+#include <examples/common/playlistview.hpp>
+#include <examples/common/qmediaplaylist.h>
+#include <examples/common/titlewidget.hpp>
+
+#include <QAudioDevice>
+#include <QAudioOutput>
+#include <QMediaDevices>
+#include <QtWidgets>
+
+void printAudioOuputDevice()
+{
+    const auto audioDevices = QMediaDevices::audioOutputs();
+    for (const QAudioDevice &audioDevice : std::as_const(audioDevices)) {
+        qDebug() << audioDevice.id() << audioDevice.description() << audioDevice.isDefault();
+    }
+}
+
+class MainWindow::MainWindowPrivate
+{
+public:
+    explicit MainWindowPrivate(MainWindow *q)
+        : q_ptr(q)
+    {
+        mediaDevices = new QMediaDevices(q_ptr);
+
+        player = new QMediaPlayer(q_ptr);
+        audioOutput = new QAudioOutput(q_ptr);
+        player->setAudioOutput(audioOutput);
+        videoWidget = new VideoWidget(q_ptr);
+        player->setVideoOutput(videoWidget);
+
+        floatingWidget = new QWidget(q_ptr);
+        floatingWidget->setWindowFlags(floatingWidget->windowFlags() | Qt::FramelessWindowHint
+                                       | Qt::Tool);
+        floatingWidget->setAttribute(Qt::WA_TranslucentBackground); //设置窗口背景透明
+        floatingWidget->setVisible(true);
+        controlWidget = new ControlWidget(q_ptr);
+        controlWidget->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
+        titleWidget = new TitleWidget(q_ptr);
+        titleWidget->setMinimumHeight(80);
+
+        playlistModel = new PlaylistModel(q_ptr);
+        playlistView = new PlayListView(q_ptr);
+        playlistView->setModel(playlistModel);
+        playlistView->setCurrentIndex(
+            playlistModel->index(playlistModel->playlist()->currentIndex(), 0));
+        //playlistView->setMaximumWidth(250);
+        playListMenu = new QMenu(q_ptr);
+
+        menu = new QMenu(q_ptr);
+
+        initShortcut();
+    }
+
+    void initShortcut()
+    {
+        new QShortcut(QKeySequence::MoveToNextChar, q_ptr, q_ptr, [this] {
+            auto position = player->position();
+            position += 5000;
+            if (position > player->duration()) {
+                position = player->duration();
+            }
+            setPosition(position);
+            setTitleWidgetText(
+                QCoreApplication::translate("MainWindowPrivate", "Fast forward: 5 seconds"));
+        });
+        new QShortcut(QKeySequence::MoveToPreviousChar, q_ptr, q_ptr, [this] {
+            auto position = player->position();
+            position -= 5000;
+            if (position < 0) {
+                position = 0;
+            }
+            setPosition(position);
+            setTitleWidgetText(
+                QCoreApplication::translate("MainWindowPrivate", "Fast return: 5 seconds"));
+        });
+        new QShortcut(QKeySequence::MoveToPreviousLine, q_ptr, q_ptr, [this] {
+            controlWidget->setVolume(controlWidget->volume() + 10);
+        });
+        new QShortcut(QKeySequence::MoveToNextLine, q_ptr, q_ptr, [this] {
+            controlWidget->setVolume(controlWidget->volume() - 10);
+        });
+        new QShortcut(Qt::Key_Space, q_ptr, q_ptr, [this] { player->pause(); });
+    }
+
+    void setupUI()
+    {
+        auto *controlLayout = new QHBoxLayout;
+        controlLayout->addStretch();
+        controlLayout->addWidget(controlWidget);
+        controlLayout->addStretch();
+        auto *layout = new QVBoxLayout(floatingWidget);
+        layout->addWidget(titleWidget);
+        layout->addStretch();
+        layout->addLayout(controlLayout);
+
+        auto *splitter = new QSplitter(q_ptr);
+        splitter->addWidget(videoWidget);
+        splitter->addWidget(playlistView);
+        splitter->setSizes({200, 1});
+
+        q_ptr->setCentralWidget(splitter);
+    }
+
+    void setTitleWidgetText(const QString &text)
+    {
+        setTitleWidgetGeometry(true);
+        titleWidget->setText(text);
+        titleWidget->setAutoHide(3000);
+    }
+
+    void setControlWidgetGeometry(bool show = true)
+    {
+        controlWidget->setVisible(true);
+        setFloatingWidgetGeometry(show);
+        controlWidget->setVisible(show);
+    }
+
+    void setTitleWidgetGeometry(bool show = true)
+    {
+        titleWidget->setVisible(true);
+        setFloatingWidgetGeometry(show);
+        titleWidget->setVisible(show);
+    }
+
+    void setFloatingWidgetGeometry(bool show = true)
+    {
+        auto geometry = videoWidget->geometry();
+        geometry = QRect{q_ptr->mapToGlobal(geometry.topLeft()), geometry.size()};
+        floatingWidget->setGeometry(geometry);
+    }
+
+    void addToPlaylist(const QList<QUrl> &urls)
+    {
+        auto *playlist = playlistModel->playlist();
+        const int previousMediaCount = playlist->mediaCount();
+        for (const auto &url : urls) {
+            if (isPlaylist(url)) {
+                playlist->load(url);
+            } else {
+                playlist->addMedia(url);
+            }
+        }
+        if (playlist->mediaCount() > previousMediaCount) {
+            auto index = playlistModel->index(previousMediaCount, 0);
+            playlistView->setCurrentIndex(index);
+            q_ptr->jump(index);
+        }
+    }
+
+    void handleCursor(QMediaPlayer::MediaStatus status)
+    {
+#ifndef QT_NO_CURSOR
+        if (status == QMediaPlayer::LoadingMedia || status == QMediaPlayer::BufferingMedia
+            || status == QMediaPlayer::StalledMedia) {
+            q_ptr->setCursor(QCursor(Qt::BusyCursor));
+        } else {
+            q_ptr->unsetCursor();
+        }
+#endif
+    }
+
+    void setPosition(qint64 position)
+    {
+        if (player->isSeekable()) {
+            player->setPosition(position);
+        }
+    }
+
+    MainWindow *q_ptr;
+
+    QMediaDevices *mediaDevices;
+    QMediaPlayer *player;
+    QAudioOutput *audioOutput;
+    VideoWidget *videoWidget;
+
+    QWidget *floatingWidget;
+    ControlWidget *controlWidget;
+    TitleWidget *titleWidget;
+
+    PlayListView *playlistView;
+    PlaylistModel *playlistModel;
+    QMenu *playListMenu;
+    QSplitter *splitter;
+
+    QMenu *menu;
+};
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent)
+    , d_ptr(new MainWindowPrivate(this))
+{
+    d_ptr->setupUI();
+    initMenu();
+    initPlayListMenu();
+    buildConnect();
+
+    setAttribute(Qt::WA_Hover);
+    d_ptr->videoWidget->installEventFilter(this);
+    d_ptr->playlistView->installEventFilter(this);
+    installEventFilter(this);
+
+    resize(1000, 618);
+    printAudioOuputDevice();
+}
+
+MainWindow::~MainWindow() {}
+
+void MainWindow::onOpenLocalMedia()
+{
+    const auto path = QStandardPaths::standardLocations(QStandardPaths::MoviesLocation)
+                          .value(0, QDir::homePath());
+    const auto filter = tr("Media (*)");
+    const auto urls = QFileDialog::getOpenFileUrls(this,
+                                                   tr("Open Media"),
+                                                   QUrl::fromUserInput(path),
+                                                   filter);
+    if (urls.isEmpty()) {
+        return;
+    }
+    d_ptr->addToPlaylist(urls);
+}
+
+void MainWindow::onOpenWebMedia()
+{
+    OpenWebMediaDialog dialog(this);
+    dialog.setMinimumSize(size() / 2.0);
+    if (dialog.exec() != QDialog::Accepted) {
+        return;
+    }
+    d_ptr->addToPlaylist({QUrl(dialog.url())});
+}
+
+void MainWindow::onBufferingProgress(float progress)
+{
+    if (d_ptr->player->mediaStatus() == QMediaPlayer::StalledMedia) {
+        d_ptr->setTitleWidgetText(tr("Stalled %1%").arg(qRound(progress * 100.)));
+    } else {
+        d_ptr->setTitleWidgetText(tr("Buffering %1%").arg(qRound(progress * 100.)));
+    }
+}
+
+void MainWindow::onDisplayError()
+{
+    if (d_ptr->player->error() != QMediaPlayer::NoError) {
+        d_ptr->titleWidget->setText(d_ptr->player->errorString());
+    }
+}
+
+void MainWindow::onStatusChanged(QMediaPlayer::MediaStatus status)
+{
+    d_ptr->handleCursor(status);
+
+    switch (status) {
+    case QMediaPlayer::NoMedia:
+    case QMediaPlayer::LoadedMedia: d_ptr->setTitleWidgetText(QString()); break;
+    case QMediaPlayer::LoadingMedia: d_ptr->setTitleWidgetText(tr("Loading...")); break;
+    case QMediaPlayer::BufferingMedia:
+    case QMediaPlayer::BufferedMedia:
+        d_ptr->setTitleWidgetText(
+            tr("Buffering %1%").arg(qRound(d_ptr->player->bufferProgress() * 100.)));
+        break;
+    case QMediaPlayer::StalledMedia:
+        d_ptr->setTitleWidgetText(
+            tr("Stalled %1%").arg(qRound(d_ptr->player->bufferProgress() * 100.)));
+        break;
+    case QMediaPlayer::EndOfMedia:
+        QApplication::alert(this);
+        d_ptr->playlistModel->playlist()->next();
+        break;
+    case QMediaPlayer::InvalidMedia: onDisplayError(); break;
+    }
+}
+
+void MainWindow::onAudioOutputsChanged()
+{
+    printAudioOuputDevice();
+    auto audioDevice = d_ptr->mediaDevices->defaultAudioOutput();
+    d_ptr->player->audioOutput()->setDevice(audioDevice);
+}
+
+void MainWindow::playlistPositionChanged(int currentItem)
+{
+    if (currentItem < 0) {
+        return;
+    }
+    auto url = d_ptr->playlistModel->playlist()->currentMedia();
+    d_ptr->playlistView->setCurrentIndex(d_ptr->playlistModel->index(currentItem, 0));
+
+    d_ptr->player->setSource(url);
+    d_ptr->player->play();
+}
+
+void MainWindow::jump(const QModelIndex &index)
+{
+    if (index.isValid()) {
+        d_ptr->playlistModel->playlist()->setCurrentIndex(index.row());
+    }
+}
+
+auto MainWindow::eventFilter(QObject *watched, QEvent *event) -> bool
+{
+    if (watched == d_ptr->videoWidget) {
+        switch (event->type()) {
+        case QEvent::DragEnter: {
+            auto *e = static_cast<QDragEnterEvent *>(event);
+            e->acceptProposedAction();
+        } break;
+        case QEvent::DragMove: {
+            auto *e = static_cast<QDragMoveEvent *>(event);
+            e->acceptProposedAction();
+        } break;
+        case QEvent::Drop: {
+            auto *e = static_cast<QDropEvent *>(event);
+            QList<QUrl> urls = e->mimeData()->urls();
+            if (!urls.isEmpty()) {
+                d_ptr->addToPlaylist(urls);
+            }
+        } break;
+        case QEvent::ContextMenu: {
+            auto *e = static_cast<QContextMenuEvent *>(event);
+            d_ptr->menu->exec(e->globalPos());
+        } break;
+        case QEvent::Resize:
+            QMetaObject::invokeMethod(
+                this,
+                [=] {
+                    d_ptr->setControlWidgetGeometry(d_ptr->controlWidget->isVisible());
+                    d_ptr->setTitleWidgetGeometry(d_ptr->titleWidget->isVisible());
+                },
+                Qt::QueuedConnection);
+            break;
+            //        case QEvent::MouseButtonPress: {
+            //            auto e = static_cast<QMouseEvent *>(event);
+            //            if (e->button() & Qt::LeftButton) {
+            //                d_ptr->mpvPlayer->pause();
+            //            }
+            //        } break;
+        case QEvent::MouseButtonDblClick:
+            if (isFullScreen()) {
+                showNormal();
+            } else {
+                d_ptr->playlistView->hide();
+                showFullScreen();
+            }
+            break;
+        default: break;
+        }
+    } else if (watched == d_ptr->playlistView) {
+        switch (event->type()) {
+        case QEvent::ContextMenu: {
+            auto *e = static_cast<QContextMenuEvent *>(event);
+            d_ptr->playListMenu->exec(e->globalPos());
+        } break;
+        default: break;
+        }
+    } else if (watched == this) {
+        switch (event->type()) {
+        case QEvent::Show:
+        case QEvent::Move:
+            QMetaObject::invokeMethod(
+                this,
+                [=] {
+                    d_ptr->setControlWidgetGeometry(d_ptr->controlWidget->isVisible());
+                    d_ptr->setTitleWidgetGeometry(d_ptr->titleWidget->isVisible());
+                },
+                Qt::QueuedConnection);
+            break;
+        case QEvent::Hide: d_ptr->setFloatingWidgetGeometry(false); break;
+        case QEvent::HoverMove: {
+            auto controlWidgetGeometry = d_ptr->controlWidget->geometry();
+            auto e = static_cast<QHoverEvent *>(event);
+            bool contain = controlWidgetGeometry.contains(e->position().toPoint());
+            d_ptr->setControlWidgetGeometry(contain);
+            if (isFullScreen()) {
+                auto titleWidgetGeometry = d_ptr->titleWidget->geometry();
+                contain = titleWidgetGeometry.contains(e->position().toPoint());
+                d_ptr->setTitleWidgetGeometry(contain);
+            }
+            break;
+        }
+        default: break;
+        }
+    }
+    return QMainWindow::eventFilter(watched, event);
+}
+
+void MainWindow::keyPressEvent(QKeyEvent *event)
+{
+    QMainWindow::keyPressEvent(event);
+
+    qInfo() << "MainWindow Pressed key:" << event->key();
+    switch (event->key()) {
+    case Qt::Key_Escape:
+        if (isFullScreen()) {
+            showNormal();
+        } else {
+            showMinimized();
+        }
+        break;
+    case Qt::Key_Q: qApp->quit(); break;
+    default: break;
+    }
+}
+
+void MainWindow::buildConnect()
+{
+    connect(d_ptr->mediaDevices,
+            &QMediaDevices::audioOutputsChanged,
+            this,
+            &MainWindow::onAudioOutputsChanged);
+
+    connect(d_ptr->player,
+            &QMediaPlayer::durationChanged,
+            d_ptr->controlWidget,
+            [this](qint64 duration) { d_ptr->controlWidget->setDuration(duration / 1000); });
+    connect(d_ptr->player,
+            &QMediaPlayer::positionChanged,
+            d_ptr->controlWidget,
+            [this](qint64 position) { d_ptr->controlWidget->setPosition(position / 1000); });
+    connect(d_ptr->player, &QMediaPlayer::mediaStatusChanged, this, &MainWindow::onStatusChanged);
+    connect(d_ptr->player,
+            &QMediaPlayer::bufferProgressChanged,
+            this,
+            &MainWindow::onBufferingProgress);
+    connect(d_ptr->player, &QMediaPlayer::errorChanged, this, &MainWindow::onDisplayError);
+
+    connect(d_ptr->controlWidget,
+            &ControlWidget::previous,
+            d_ptr->playlistModel->playlist(),
+            &QMediaPlaylist::previous);
+    connect(d_ptr->controlWidget,
+            &ControlWidget::next,
+            d_ptr->playlistModel->playlist(),
+            &QMediaPlaylist::next);
+    // connect(d_ptr->controlWidget, &ControlWidget::hoverPosition, this, &MainWindow::onHoverSlider);
+    // connect(d_ptr->controlWidget, &ControlWidget::leavePosition, this, &MainWindow::onLeaveSlider);
+    connect(d_ptr->controlWidget, &ControlWidget::seek, d_ptr->player, [this](int value) {
+        qint64 position = value;
+        d_ptr->setPosition(position * 1000);
+    });
+    connect(d_ptr->controlWidget, &ControlWidget::play, d_ptr->player, [this](bool checked) {
+        if (checked && !d_ptr->player->isPlaying()) {
+            d_ptr->player->play();
+        } else if (checked) {
+            d_ptr->player->pause();
+        } else if (!checked) {
+            d_ptr->player->play();
+        }
+    });
+    connect(d_ptr->controlWidget,
+            &ControlWidget::volumeChanged,
+            d_ptr->audioOutput,
+            [this](int value) {
+                d_ptr->audioOutput->setVolume(value / 100.0);
+                d_ptr->setTitleWidgetText(tr("Volume: %1").arg(value));
+            });
+    d_ptr->controlWidget->setVolume(50);
+    // connect(d_ptr->controlWidget, &ControlWidget::speedChanged, d_ptr->player, [this](double value) {
+    //     d_ptr->playerPtr->addEvent(Ffmpeg::EventPtr(new Ffmpeg::SpeedEvent(value)));
+    //     d_ptr->setTitleWidgetText(tr("Speed: %1").arg(value));
+    // });
+    connect(d_ptr->controlWidget,
+            &ControlWidget::modelChanged,
+            d_ptr->playlistModel->playlist(),
+            [this](int model) {
+                d_ptr->playlistModel->playlist()->setPlaybackMode(
+                    static_cast<QMediaPlaylist::PlaybackMode>(model));
+            });
+    connect(d_ptr->controlWidget, &ControlWidget::showList, d_ptr->playlistView, [this] {
+        d_ptr->playlistView->setVisible(!d_ptr->playlistView->isVisible());
+    });
+
+    connect(d_ptr->playlistModel->playlist(),
+            &QMediaPlaylist::currentIndexChanged,
+            this,
+            &MainWindow::playlistPositionChanged);
+    connect(d_ptr->playlistView, &QAbstractItemView::activated, this, &MainWindow::jump);
+}
+
+void MainWindow::initMenu()
+{
+    d_ptr->menu->addAction(tr("Open Local Media"), this, &MainWindow::onOpenLocalMedia);
+    d_ptr->menu->addAction(tr("Open Web Media"), this, &MainWindow::onOpenWebMedia);
+}
+
+void MainWindow::initPlayListMenu()
+{
+    d_ptr->playListMenu->addAction(tr("Open Local Media"), this, &MainWindow::onOpenLocalMedia);
+    d_ptr->playListMenu->addAction(tr("Open Web Media"), this, &MainWindow::onOpenWebMedia);
+    d_ptr->playListMenu
+        ->addAction(tr("Remove the currently selected item"), d_ptr->playlistView, [this] {
+            auto indexs = d_ptr->playlistView->selectedAllIndexs();
+            std::sort(indexs.begin(), indexs.end(), [&](QModelIndex left, QModelIndex right) {
+                return left.row() > right.row();
+            });
+            for (const auto &index : std::as_const(indexs)) {
+                d_ptr->playlistModel->playlist()->removeMedia(index.row());
+            }
+        });
+    d_ptr->playListMenu->addAction(tr("Clear"), d_ptr->playlistView, [this] {
+        d_ptr->playlistModel->playlist()->clear();
+    });
+}
diff --git a/examples/qplayer/mainwindow.hpp b/examples/qplayer/mainwindow.hpp
new file mode 100644
index 0000000..5e6c8e4
--- /dev/null
+++ b/examples/qplayer/mainwindow.hpp
@@ -0,0 +1,38 @@
+#pragma once
+
+#include <QMainWindow>
+#include <QMediaPlayer>
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit MainWindow(QWidget *parent = nullptr);
+    ~MainWindow();
+
+private slots:
+    void onOpenLocalMedia();
+    void onOpenWebMedia();
+
+    void onBufferingProgress(float progress);
+    void onDisplayError();
+    void onStatusChanged(QMediaPlayer::MediaStatus status);
+
+    void onAudioOutputsChanged();
+
+    void playlistPositionChanged(int /*currentItem*/);
+    void jump(const QModelIndex &index);
+
+protected:
+    auto eventFilter(QObject *watched, QEvent *event) -> bool override;
+    void keyPressEvent(QKeyEvent *event) override;
+
+private:
+    void buildConnect();
+    void initMenu();
+    void initPlayListMenu();
+
+    class MainWindowPrivate;
+    QScopedPointer<MainWindowPrivate> d_ptr;
+};
diff --git a/examples/qplayer/qplayer.pro b/examples/qplayer/qplayer.pro
new file mode 100644
index 0000000..84ce828
--- /dev/null
+++ b/examples/qplayer/qplayer.pro
@@ -0,0 +1,46 @@
+include(../../common.pri)
+
+QT       += core gui widgets network multimediawidgets
+
+TEMPLATE = app
+
+TARGET = QPlayer
+
+LIBS += \
+    -l$$replaceLibName(mediaconfig) \
+    -l$$replaceLibName(thirdparty) \
+    -l$$replaceLibName(dump) \
+    -l$$replaceLibName(utils)
+
+include(../../src/3rdparty/3rdparty.pri)
+
+SOURCES += \
+    ../common/controlwidget.cc \
+    ../common/equalizerdialog.cpp \
+    ../common/openwebmediadialog.cc \
+    ../common/playlistmodel.cpp \
+    ../common/playlistview.cc \
+    ../common/qmediaplaylist_p.cpp \
+    ../common/qmediaplaylist.cpp \
+    ../common/qplaylistfileparser.cpp \
+    ../common/slider.cpp \
+    ../common/titlewidget.cc \
+    main.cc \
+    mainwindow.cc \
+    videowidget.cc
+
+HEADERS += \
+    ../common/controlwidget.hpp \
+    ../common/equalizerdialog.h \
+    ../common/openwebmediadialog.hpp \
+    ../common/playlistmodel.h \
+    ../common/playlistview.hpp \
+    ../common/qmediaplaylist.h \
+    ../common/qmediaplaylist_p.h \
+    ../common/qplaylistfileparser.h \
+    ../common/slider.h \
+    ../common/titlewidget.hpp \
+    mainwindow.hpp \
+    videowidget.hpp
+
+DESTDIR = $$APP_OUTPUT_PATH
diff --git a/examples/qplayer/videowidget.cc b/examples/qplayer/videowidget.cc
new file mode 100644
index 0000000..b7ae342
--- /dev/null
+++ b/examples/qplayer/videowidget.cc
@@ -0,0 +1,11 @@
+#include "videowidget.hpp"
+
+VideoWidget::VideoWidget(QWidget *parent)
+    : QVideoWidget{parent}
+{
+    setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
+
+    QPalette p = palette();
+    p.setColor(QPalette::Window, Qt::black);
+    setPalette(p);
+}
diff --git a/examples/qplayer/videowidget.hpp b/examples/qplayer/videowidget.hpp
new file mode 100644
index 0000000..7ac2e68
--- /dev/null
+++ b/examples/qplayer/videowidget.hpp
@@ -0,0 +1,10 @@
+#pragma once
+
+#include <QVideoWidget>
+
+class VideoWidget : public QVideoWidget
+{
+    Q_OBJECT
+public:
+    explicit VideoWidget(QWidget *parent = nullptr);
+};
diff --git a/src/3rdparty/CMakeLists.txt b/src/3rdparty/CMakeLists.txt
index b315c08..b05645b 100644
--- a/src/3rdparty/CMakeLists.txt
+++ b/src/3rdparty/CMakeLists.txt
@@ -8,8 +8,8 @@ set(PROJECT_SOURCES
     thirdparty_global.hpp)
 
 add_custom_library(thirdparty ${PROJECT_SOURCES})
-target_link_libraries(thirdparty PRIVATE shared_qtlockedfile Qt6::Network
-                                         Qt6::Widgets)
+target_link_libraries(thirdparty PRIVATE shared_qtlockedfile Qt::Network
+                                         Qt::Widgets)
 
 if(CMAKE_HOST_WIN32)
   target_compile_definitions(thirdparty PRIVATE "THRIDPARTY_LIBRARY")
diff --git a/src/3rdparty/qtlockedfile/CMakeLists.txt b/src/3rdparty/qtlockedfile/CMakeLists.txt
index da604dc..b4d4af9 100644
--- a/src/3rdparty/qtlockedfile/CMakeLists.txt
+++ b/src/3rdparty/qtlockedfile/CMakeLists.txt
@@ -6,7 +6,7 @@ endif()
 
 add_library(shared_qtlockedfile STATIC ${OS_SOURCES} qtlockedfile.cpp
                                        qtlockedfile.h)
-target_link_libraries(shared_qtlockedfile Qt6::Core)
+target_link_libraries(shared_qtlockedfile Qt::Core)
 target_include_directories(shared_qtlockedfile
                            PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}")
 if(CMAKE_HOST_WIN32)
diff --git a/src/3rdparty/qtsingleapplication/CMakeLists.txt b/src/3rdparty/qtsingleapplication/CMakeLists.txt
index 923ab85..3a37d85 100644
--- a/src/3rdparty/qtsingleapplication/CMakeLists.txt
+++ b/src/3rdparty/qtsingleapplication/CMakeLists.txt
@@ -1,9 +1,11 @@
-add_library(shared_qtsingleapplication SHARED
-  qtsingleapplication.cpp qtsingleapplication.h
-  qtlocalpeer.cpp qtlocalpeer.h
-)
-target_link_libraries(shared_qtsingleapplication shared_qtlockedfile Qt6::Core Qt6::Network Qt6::Widgets)
-target_include_directories(shared_qtsingleapplication PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}")
-if (WIN32)
-  target_compile_definitions(shared_qtsingleapplication PRIVATE "THRIDPARTY_LIBRARY" _UNICODE UNICODE)
+add_library(
+  shared_qtsingleapplication SHARED
+  qtsingleapplication.cpp qtsingleapplication.h qtlocalpeer.cpp qtlocalpeer.h)
+target_link_libraries(shared_qtsingleapplication shared_qtlockedfile Qt::Core
+                      Qt::Network Qt::Widgets)
+target_include_directories(shared_qtsingleapplication
+                           PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}")
+if(WIN32)
+  target_compile_definitions(shared_qtsingleapplication
+                             PRIVATE "THRIDPARTY_LIBRARY" _UNICODE UNICODE)
 endif()
diff --git a/src/dump/CMakeLists.txt b/src/dump/CMakeLists.txt
index ee32b6f..18a7b02 100644
--- a/src/dump/CMakeLists.txt
+++ b/src/dump/CMakeLists.txt
@@ -2,7 +2,7 @@ set(PROJECT_SOURCES breakpad.hpp breakpad.cc crashpad.hpp crashpad.cc
                     dump_global.hpp)
 add_custom_library(dump ${PROJECT_SOURCES})
 target_link_libraries(
-  dump PRIVATE utils Qt6::Widgets unofficial::breakpad::libbreakpad
+  dump PRIVATE utils Qt::Widgets unofficial::breakpad::libbreakpad
                unofficial::breakpad::libbreakpad_client crashpad::crashpad)
 
 if(CMAKE_HOST_WIN32)
diff --git a/src/ffmpeg/CMakeLists.txt b/src/ffmpeg/CMakeLists.txt
index 2d5f10f..8898900 100644
--- a/src/ffmpeg/CMakeLists.txt
+++ b/src/ffmpeg/CMakeLists.txt
@@ -109,8 +109,8 @@ set(PROJECT_SOURCES
 qt_add_resources(SOURCES videorender/shaders.qrc)
 
 add_custom_library(ffmpeg ${PROJECT_SOURCES} ${SOURCES})
-target_link_libraries(ffmpeg PRIVATE mediaconfig utils Qt6::Widgets
-                                     Qt6::Multimedia Qt6::OpenGLWidgets)
+target_link_libraries(ffmpeg PRIVATE mediaconfig utils Qt::Widgets
+                                     Qt::Multimedia Qt::OpenGLWidgets)
 target_link_libraries(ffmpeg PRIVATE PkgConfig::ffmpeg PkgConfig::ass)
 if(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux")
   target_link_libraries(ffmpeg PRIVATE PkgConfig::fontconfig expat::expat)
diff --git a/src/ffmpeg/audiorender/audiooutput.cc b/src/ffmpeg/audiorender/audiooutput.cc
index cdaa722..425007f 100644
--- a/src/ffmpeg/audiorender/audiooutput.cc
+++ b/src/ffmpeg/audiorender/audiooutput.cc
@@ -36,6 +36,10 @@ class AudioOutput::AudioOutputPrivate
 
         int sampleSize = 0;
         auto format = getAudioFormatFromCodecCtx(contextInfo->codecCtx(), sampleSize);
+        if (!audioDevice.isFormatSupported(format)) {
+            qWarning() << "Raw audio format not supported by backend, cannot play audio.";
+            return;
+        }
         audioConverterPtr.reset(new AudioFrameConverter(contextInfo->codecCtx(), format));
 
         audioSinkPtr.reset(new QAudioSink(format));
diff --git a/src/mediaconfig/CMakeLists.txt b/src/mediaconfig/CMakeLists.txt
index 2485887..cdb1e62 100644
--- a/src/mediaconfig/CMakeLists.txt
+++ b/src/mediaconfig/CMakeLists.txt
@@ -1,7 +1,7 @@
 set(PROJECT_SOURCES equalizer.cc equalizer.hpp mediaconfig_global.hpp)
 
 add_custom_library(mediaconfig ${PROJECT_SOURCES})
-target_link_libraries(mediaconfig PRIVATE utils Qt6::Core)
+target_link_libraries(mediaconfig PRIVATE utils Qt::Core)
 
 if(CMAKE_HOST_WIN32)
   target_compile_definitions(mediaconfig PRIVATE "MEDIACONFIG_LIBRARY")
diff --git a/src/mpv/CMakeLists.txt b/src/mpv/CMakeLists.txt
index e9c10e7..9ce57a0 100644
--- a/src/mpv/CMakeLists.txt
+++ b/src/mpv/CMakeLists.txt
@@ -13,7 +13,7 @@ set(PROJECT_SOURCES
     qthelper.hpp)
 
 add_custom_library(qmpv ${PROJECT_SOURCES})
-target_link_libraries(qmpv PRIVATE Qt6::Widgets Qt6::OpenGLWidgets)
+target_link_libraries(qmpv PRIVATE Qt::Widgets Qt::OpenGLWidgets)
 
 if(CMAKE_HOST_WIN32)
   target_include_directories(qmpv PRIVATE "C:\\3rd\\x64\\mpv\\include")
diff --git a/src/mpv/mpvwidget.cc b/src/mpv/mpvwidget.cc
index 74700a9..59f83ce 100644
--- a/src/mpv/mpvwidget.cc
+++ b/src/mpv/mpvwidget.cc
@@ -9,7 +9,7 @@ MpvWidget::MpvWidget(QWidget *parent)
     setAttribute(Qt::WA_NativeWindow);
 
     setAttribute(Qt::WA_StyledBackground);
-    setStyleSheet("QWidget{background:black;}");
+    setStyleSheet("QWidget{ background:black; }");
 }
 
 MpvWidget::~MpvWidget() = default;
diff --git a/src/utils/CMakeLists.txt b/src/utils/CMakeLists.txt
index 2703bd8..75d7cd8 100644
--- a/src/utils/CMakeLists.txt
+++ b/src/utils/CMakeLists.txt
@@ -20,7 +20,7 @@ set(PROJECT_SOURCES
     utilstr.h)
 
 add_custom_library(utils ${PROJECT_SOURCES})
-target_link_libraries(utils PRIVATE Qt6::Widgets Qt6::Core5Compat)
+target_link_libraries(utils PRIVATE Qt::Widgets Qt::Core5Compat)
 
 if(CMAKE_HOST_WIN32)
   target_compile_definitions(utils PRIVATE "UTILS_LIBRARY")
diff --git a/tests/subtitle_unittest/CMakeLists.txt b/tests/subtitle_unittest/CMakeLists.txt
index 3b711fc..ffe14b2 100644
--- a/tests/subtitle_unittest/CMakeLists.txt
+++ b/tests/subtitle_unittest/CMakeLists.txt
@@ -2,8 +2,8 @@ set(PROJECT_SOURCES main.cc mainwindow.cc mainwindow.hpp subtitlethread.cc
                     subtitlethread.hpp)
 
 qt_add_executable(subtitle_unittest MANUAL_FINALIZATION ${PROJECT_SOURCES})
-target_link_libraries(subtitle_unittest PRIVATE Qt6::Widgets Qt6::Multimedia
-                                                Qt6::OpenGLWidgets ffmpeg utils)
+target_link_libraries(subtitle_unittest PRIVATE Qt::Widgets Qt::Multimedia
+                                                Qt::OpenGLWidgets ffmpeg utils)
 target_link_libraries(subtitle_unittest PRIVATE PkgConfig::ffmpeg)
 
 if(CMAKE_HOST_APPLE)