diff --git a/vav2/Vav2Player/Vav2Player/MainWindow.xaml.cpp b/vav2/Vav2Player/Vav2Player/MainWindow.xaml.cpp
index 721c8af..a7c3784 100644
--- a/vav2/Vav2Player/Vav2Player/MainWindow.xaml.cpp
+++ b/vav2/Vav2Player/Vav2Player/MainWindow.xaml.cpp
@@ -3,6 +3,7 @@
 #include "MainVideoPage.xaml.h"
 #include "MultiVideoPage.xaml.h"
 #include "LayeredVideoPage.xaml.h"
+#include "SettingsPage.xaml.h"
 #include "src/Logger/LogManager.h"
 #include <microsoft.ui.xaml.window.h>
 #include <dwmapi.h>
@@ -101,8 +102,10 @@ namespace winrt::Vav2Player::implementation
 
     void MainWindow::Settings_Click(winrt::Windows::Foundation::IInspectable const&, winrt::Microsoft::UI::Xaml::RoutedEventArgs const&)
     {
-        // Could implement Settings functionality
-        // For now, just show a message (no status bar in frame layout)
+        TypeName pageTypeName;
+        pageTypeName.Name = winrt::name_of<Vav2Player::SettingsPage>();
+        pageTypeName.Kind = TypeKind::Metadata;
+        ContentFrame().Navigate(pageTypeName);
     }
 
     void MainWindow::About_Click(winrt::Windows::Foundation::IInspectable const&, winrt::Microsoft::UI::Xaml::RoutedEventArgs const&)
diff --git a/vav2/Vav2Player/Vav2Player/SettingsPage.idl b/vav2/Vav2Player/Vav2Player/SettingsPage.idl
new file mode 100644
index 0000000..a80bfcc
--- /dev/null
+++ b/vav2/Vav2Player/Vav2Player/SettingsPage.idl
@@ -0,0 +1,8 @@
+namespace Vav2Player
+{
+    [default_interface]
+    runtimeclass SettingsPage : Microsoft.UI.Xaml.Controls.Page
+    {
+        SettingsPage();
+    };
+}
\ No newline at end of file
diff --git a/vav2/Vav2Player/Vav2Player/SettingsPage.xaml b/vav2/Vav2Player/Vav2Player/SettingsPage.xaml
new file mode 100644
index 0000000..51fea0c
--- /dev/null
+++ b/vav2/Vav2Player/Vav2Player/SettingsPage.xaml
@@ -0,0 +1,116 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Page
+    x:Class="Vav2Player.SettingsPage"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="using:Vav2Player"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d"
+    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
+
+    <ScrollViewer>
+        <StackPanel Margin="40,20,40,40" Spacing="24">
+
+            <!-- Page Header -->
+            <TextBlock Text="Settings"
+                      Style="{StaticResource TitleTextBlockStyle}"
+                      Margin="0,0,0,20"/>
+
+            <!-- Decoder Settings Section -->
+            <StackPanel Spacing="16">
+                <TextBlock Text="Video Decoder"
+                          Style="{StaticResource SubtitleTextBlockStyle}"/>
+
+                <TextBlock Text="Select the preferred AV1 video decoder. AUTO mode automatically selects the best available decoder."
+                          Style="{StaticResource BodyTextBlockStyle}"
+                          Foreground="{ThemeResource SystemControlPageTextBaseMediumBrush}"
+                          TextWrapping="Wrap"
+                          Margin="0,0,0,8"/>
+
+                <ComboBox x:Name="DecoderComboBox"
+                         Header="Decoder Type"
+                         MinWidth="300"
+                         SelectionChanged="DecoderComboBox_SelectionChanged">
+                    <ComboBoxItem Content="AUTO - Best Available" Tag="AUTO"/>
+                    <ComboBoxItem Content="NVDEC - NVIDIA Hardware" Tag="NVDEC"/>
+                    <ComboBoxItem Content="VPL - Intel Hardware" Tag="VPL"/>
+                    <ComboBoxItem Content="AMF - AMD Hardware" Tag="AMF"/>
+                    <ComboBoxItem Content="DAV1D - Software" Tag="DAV1D"/>
+                    <ComboBoxItem Content="Media Foundation - Windows" Tag="MEDIA_FOUNDATION"/>
+                </ComboBox>
+
+                <!-- Decoder Status Info -->
+                <Border Background="{ThemeResource CardBackgroundFillColorDefaultBrush}"
+                       BorderBrush="{ThemeResource CardStrokeColorDefaultBrush}"
+                       BorderThickness="1"
+                       CornerRadius="8"
+                       Padding="16"
+                       Margin="0,8,0,0">
+                    <StackPanel Spacing="8">
+                        <TextBlock Text="Current Decoder Status"
+                                  Style="{StaticResource BodyStrongTextBlockStyle}"/>
+                        <TextBlock x:Name="DecoderStatusText"
+                                  Text="Status will be displayed here..."
+                                  Style="{StaticResource BodyTextBlockStyle}"
+                                  TextWrapping="Wrap"/>
+                    </StackPanel>
+                </Border>
+            </StackPanel>
+
+            <!-- Quality Settings Section -->
+            <StackPanel Spacing="16">
+                <TextBlock Text="Video Quality"
+                          Style="{StaticResource SubtitleTextBlockStyle}"/>
+
+                <TextBlock Text="Adjust quality settings for optimal performance on your hardware."
+                          Style="{StaticResource BodyTextBlockStyle}"
+                          Foreground="{ThemeResource SystemControlPageTextBaseMediumBrush}"
+                          TextWrapping="Wrap"
+                          Margin="0,0,0,8"/>
+
+                <ComboBox x:Name="QualityComboBox"
+                         Header="Quality Mode"
+                         MinWidth="300"
+                         SelectionChanged="QualityComboBox_SelectionChanged">
+                    <ComboBoxItem Content="CONSERVATIVE - Highest Quality" Tag="CONSERVATIVE"/>
+                    <ComboBoxItem Content="FAST - Balanced" Tag="FAST"/>
+                    <ComboBoxItem Content="ULTRA_FAST - Performance" Tag="ULTRA_FAST"/>
+                </ComboBox>
+            </StackPanel>
+
+            <!-- About Section -->
+            <StackPanel Spacing="16">
+                <TextBlock Text="About"
+                          Style="{StaticResource SubtitleTextBlockStyle}"/>
+
+                <Border Background="{ThemeResource CardBackgroundFillColorDefaultBrush}"
+                       BorderBrush="{ThemeResource CardStrokeColorDefaultBrush}"
+                       BorderThickness="1"
+                       CornerRadius="8"
+                       Padding="16">
+                    <StackPanel Spacing="8">
+                        <TextBlock Text="Vav2Player"
+                                  Style="{StaticResource BodyStrongTextBlockStyle}"/>
+                        <TextBlock Text="Advanced AV1 Video Player with Hardware Acceleration"
+                                  Style="{StaticResource BodyTextBlockStyle}"/>
+                        <TextBlock Text="Supported Decoders: NVDEC, Intel VPL, AMD AMF, dav1d, Media Foundation"
+                                  Style="{StaticResource CaptionTextBlockStyle}"
+                                  Foreground="{ThemeResource SystemControlPageTextBaseMediumBrush}"/>
+                    </StackPanel>
+                </Border>
+            </StackPanel>
+
+            <!-- Action Buttons -->
+            <StackPanel Orientation="Horizontal" Spacing="12" Margin="0,20,0,0">
+                <Button x:Name="ApplyButton"
+                       Content="Apply Settings"
+                       Style="{StaticResource AccentButtonStyle}"
+                       Click="ApplyButton_Click"/>
+                <Button x:Name="ResetButton"
+                       Content="Reset to Defaults"
+                       Click="ResetButton_Click"/>
+            </StackPanel>
+        </StackPanel>
+    </ScrollViewer>
+</Page>
\ No newline at end of file
diff --git a/vav2/Vav2Player/Vav2Player/SettingsPage.xaml.cpp b/vav2/Vav2Player/Vav2Player/SettingsPage.xaml.cpp
new file mode 100644
index 0000000..c9aaef8
--- /dev/null
+++ b/vav2/Vav2Player/Vav2Player/SettingsPage.xaml.cpp
@@ -0,0 +1,222 @@
+#include "pch.h"
+#include "SettingsPage.xaml.h"
+#include "src/Logger/LogManager.h"
+#if __has_include("SettingsPage.g.cpp")
+#include "SettingsPage.g.cpp"
+#endif
+
+using namespace winrt;
+using namespace winrt::Microsoft::UI::Xaml;
+using namespace winrt::Microsoft::UI::Xaml::Controls;
+
+namespace winrt::Vav2Player::implementation
+{
+    SettingsPage::SettingsPage()
+    {
+        this->InitializeComponent();
+        LoadSettings();
+        UpdateDecoderStatus();
+    }
+
+    void SettingsPage::DecoderComboBox_SelectionChanged(IInspectable const& sender, SelectionChangedEventArgs const& e)
+    {
+        auto comboBox = sender.as<ComboBox>();
+        auto selectedItem = comboBox.SelectedItem().as<ComboBoxItem>();
+
+        if (selectedItem)
+        {
+            auto tag = selectedItem.Tag().as<hstring>();
+            m_selectedDecoderType = GetDecoderTypeFromTag(tag);
+            UpdateDecoderStatus();
+        }
+    }
+
+    void SettingsPage::QualityComboBox_SelectionChanged(IInspectable const& sender, SelectionChangedEventArgs const& e)
+    {
+        auto comboBox = sender.as<ComboBox>();
+        auto selectedItem = comboBox.SelectedItem().as<ComboBoxItem>();
+
+        if (selectedItem)
+        {
+            auto tag = selectedItem.Tag().as<hstring>();
+            m_selectedQualityMode = GetQualityModeFromTag(tag);
+        }
+    }
+
+    void SettingsPage::ApplyButton_Click(IInspectable const& sender, RoutedEventArgs const& e)
+    {
+        SaveSettings();
+
+        // Log settings application for VideoPlayerControl to detect
+        std::wstring message = L"Settings applied - Decoder: ";
+        switch (m_selectedDecoderType) {
+            case VAVCORE_DECODER_AUTO: message += L"Auto"; break;
+            case VAVCORE_DECODER_DAV1D: message += L"Software (dav1d)"; break;
+            case VAVCORE_DECODER_MEDIA_FOUNDATION: message += L"Hardware (Media Foundation)"; break;
+            case VAVCORE_DECODER_NVDEC: message += L"Hardware (NVDEC)"; break;
+            case VAVCORE_DECODER_VPL: message += L"Hardware (Intel VPL)"; break;
+            case VAVCORE_DECODER_AMF: message += L"Hardware (AMD AMF)"; break;
+        }
+
+        // Use LogManager to notify about settings change
+        ::Vav2Player::LogManager::GetInstance().LogInfo(message, L"Settings");
+
+        // Show confirmation
+        auto dialog = ContentDialog();
+        dialog.Title(box_value(L"Settings Applied"));
+        dialog.Content(box_value(L"Settings have been saved successfully. The new decoder settings will be used for new video files. Currently playing videos will use the new decoder when reloaded."));
+        dialog.CloseButtonText(L"OK");
+        dialog.XamlRoot(this->XamlRoot());
+
+        // Show dialog asynchronously
+        [dialog]() -> winrt::Windows::Foundation::IAsyncAction {
+            co_await dialog.ShowAsync();
+        }();
+    }
+
+    void SettingsPage::ResetButton_Click(IInspectable const& sender, RoutedEventArgs const& e)
+    {
+        // Reset to defaults
+        m_selectedDecoderType = VAVCORE_DECODER_AUTO;
+        m_selectedQualityMode = VAVCORE_QUALITY_FAST;
+
+        // Update UI
+        DecoderComboBox().SelectedIndex(0); // AUTO
+        QualityComboBox().SelectedIndex(1);  // FAST
+
+        UpdateDecoderStatus();
+
+        // Auto-save
+        SaveSettings();
+    }
+
+    void SettingsPage::LoadSettings()
+    {
+        // Load from Windows.Storage.ApplicationData.Current.LocalSettings
+        auto localSettings = Windows::Storage::ApplicationData::Current().LocalSettings();
+        auto values = localSettings.Values();
+
+        // Load decoder type (default: AUTO)
+        if (values.HasKey(L"DecoderType"))
+        {
+            m_selectedDecoderType = static_cast<VavCoreDecoderType>(unbox_value<int32_t>(values.Lookup(L"DecoderType")));
+        }
+        else
+        {
+            m_selectedDecoderType = VAVCORE_DECODER_AUTO;
+        }
+
+        // Load quality mode (default: FAST)
+        if (values.HasKey(L"QualityMode"))
+        {
+            m_selectedQualityMode = static_cast<VavCoreQualityMode>(unbox_value<int32_t>(values.Lookup(L"QualityMode")));
+        }
+        else
+        {
+            m_selectedQualityMode = VAVCORE_QUALITY_FAST;
+        }
+
+        // Update UI controls
+        auto decoderTag = GetTagFromDecoderType(m_selectedDecoderType);
+        auto qualityTag = GetTagFromQualityMode(m_selectedQualityMode);
+
+        // Set decoder combobox selection
+        for (uint32_t i = 0; i < DecoderComboBox().Items().Size(); ++i)
+        {
+            auto item = DecoderComboBox().Items().GetAt(i).as<ComboBoxItem>();
+            if (item.Tag().as<hstring>() == decoderTag)
+            {
+                DecoderComboBox().SelectedIndex(i);
+                break;
+            }
+        }
+
+        // Set quality combobox selection
+        for (uint32_t i = 0; i < QualityComboBox().Items().Size(); ++i)
+        {
+            auto item = QualityComboBox().Items().GetAt(i).as<ComboBoxItem>();
+            if (item.Tag().as<hstring>() == qualityTag)
+            {
+                QualityComboBox().SelectedIndex(i);
+                break;
+            }
+        }
+    }
+
+    void SettingsPage::SaveSettings()
+    {
+        // Save to Windows.Storage.ApplicationData.Current.LocalSettings
+        auto localSettings = Windows::Storage::ApplicationData::Current().LocalSettings();
+        auto values = localSettings.Values();
+
+        values.Insert(L"DecoderType", box_value(static_cast<int32_t>(m_selectedDecoderType)));
+        values.Insert(L"QualityMode", box_value(static_cast<int32_t>(m_selectedQualityMode)));
+    }
+
+    void SettingsPage::UpdateDecoderStatus()
+    {
+        auto description = GetDecoderDescription(m_selectedDecoderType);
+        DecoderStatusText().Text(description);
+    }
+
+    hstring SettingsPage::GetDecoderDescription(VavCoreDecoderType type)
+    {
+        switch (type)
+        {
+            case VAVCORE_DECODER_AUTO:
+                return L"Automatically selects the best available decoder based on hardware capabilities and performance. Recommended for most users.";
+            case VAVCORE_DECODER_NVDEC:
+                return L"NVIDIA hardware-accelerated decoder. Requires NVIDIA GPU with AV1 decode support (RTX 30 series or newer).";
+            case VAVCORE_DECODER_DAV1D:
+                return L"Software decoder with CPU optimization. Works on all systems but may use more CPU resources.";
+            case VAVCORE_DECODER_MEDIA_FOUNDATION:
+                return L"Windows Media Foundation decoder. Uses system-provided AV1 decoding capabilities.";
+            default:
+                return L"Unknown decoder type.";
+        }
+    }
+
+    VavCoreDecoderType SettingsPage::GetDecoderTypeFromTag(hstring const& tag)
+    {
+        if (tag == L"AUTO") return VAVCORE_DECODER_AUTO;
+        if (tag == L"NVDEC") return VAVCORE_DECODER_NVDEC;
+        if (tag == L"VPL") return VAVCORE_DECODER_VPL;
+        if (tag == L"AMF") return VAVCORE_DECODER_AMF;
+        if (tag == L"DAV1D") return VAVCORE_DECODER_DAV1D;
+        if (tag == L"MEDIA_FOUNDATION") return VAVCORE_DECODER_MEDIA_FOUNDATION;
+        return VAVCORE_DECODER_AUTO;
+    }
+
+    VavCoreQualityMode SettingsPage::GetQualityModeFromTag(hstring const& tag)
+    {
+        if (tag == L"CONSERVATIVE") return VAVCORE_QUALITY_CONSERVATIVE;
+        if (tag == L"FAST") return VAVCORE_QUALITY_FAST;
+        if (tag == L"ULTRA_FAST") return VAVCORE_QUALITY_ULTRA_FAST;
+        return VAVCORE_QUALITY_FAST;
+    }
+
+    hstring SettingsPage::GetTagFromDecoderType(VavCoreDecoderType type)
+    {
+        switch (type)
+        {
+            case VAVCORE_DECODER_AUTO: return L"AUTO";
+            case VAVCORE_DECODER_NVDEC: return L"NVDEC";
+            case VAVCORE_DECODER_VPL: return L"VPL";
+            case VAVCORE_DECODER_AMF: return L"AMF";
+            case VAVCORE_DECODER_DAV1D: return L"DAV1D";
+            case VAVCORE_DECODER_MEDIA_FOUNDATION: return L"MEDIA_FOUNDATION";
+            default: return L"AUTO";
+        }
+    }
+
+    hstring SettingsPage::GetTagFromQualityMode(VavCoreQualityMode mode)
+    {
+        switch (mode)
+        {
+            case VAVCORE_QUALITY_CONSERVATIVE: return L"CONSERVATIVE";
+            case VAVCORE_QUALITY_FAST: return L"FAST";
+            case VAVCORE_QUALITY_ULTRA_FAST: return L"ULTRA_FAST";
+            default: return L"FAST";
+        }
+    }
+}
\ No newline at end of file
diff --git a/vav2/Vav2Player/Vav2Player/SettingsPage.xaml.h b/vav2/Vav2Player/Vav2Player/SettingsPage.xaml.h
new file mode 100644
index 0000000..2afe655
--- /dev/null
+++ b/vav2/Vav2Player/Vav2Player/SettingsPage.xaml.h
@@ -0,0 +1,40 @@
+#pragma once
+
+#include "SettingsPage.g.h"
+#include "VavCore/VavCore.h"
+
+namespace winrt::Vav2Player::implementation
+{
+    struct SettingsPage : SettingsPageT<SettingsPage>
+    {
+        SettingsPage();
+
+        // Event handlers
+        void DecoderComboBox_SelectionChanged(winrt::Windows::Foundation::IInspectable const& sender, winrt::Microsoft::UI::Xaml::Controls::SelectionChangedEventArgs const& e);
+        void QualityComboBox_SelectionChanged(winrt::Windows::Foundation::IInspectable const& sender, winrt::Microsoft::UI::Xaml::Controls::SelectionChangedEventArgs const& e);
+        void ApplyButton_Click(winrt::Windows::Foundation::IInspectable const& sender, winrt::Microsoft::UI::Xaml::RoutedEventArgs const& e);
+        void ResetButton_Click(winrt::Windows::Foundation::IInspectable const& sender, winrt::Microsoft::UI::Xaml::RoutedEventArgs const& e);
+
+    private:
+        // Settings storage
+        VavCoreDecoderType m_selectedDecoderType;
+        VavCoreQualityMode m_selectedQualityMode;
+
+        // Helper methods
+        void LoadSettings();
+        void SaveSettings();
+        void UpdateDecoderStatus();
+        winrt::hstring GetDecoderDescription(VavCoreDecoderType type);
+        VavCoreDecoderType GetDecoderTypeFromTag(winrt::hstring const& tag);
+        VavCoreQualityMode GetQualityModeFromTag(winrt::hstring const& tag);
+        winrt::hstring GetTagFromDecoderType(VavCoreDecoderType type);
+        winrt::hstring GetTagFromQualityMode(VavCoreQualityMode mode);
+    };
+}
+
+namespace winrt::Vav2Player::factory_implementation
+{
+    struct SettingsPage : SettingsPageT<SettingsPage, implementation::SettingsPage>
+    {
+    };
+}
\ No newline at end of file
diff --git a/vav2/Vav2Player/Vav2Player/Vav2Player.vcxproj b/vav2/Vav2Player/Vav2Player/Vav2Player.vcxproj
index bb49e78..41d9427 100644
--- a/vav2/Vav2Player/Vav2Player/Vav2Player.vcxproj
+++ b/vav2/Vav2Player/Vav2Player/Vav2Player.vcxproj
@@ -156,6 +156,9 @@
     <ClInclude Include="LogMessagePage.xaml.h">
       <DependentUpon>LogMessagePage.xaml</DependentUpon>
     </ClInclude>
+    <ClInclude Include="SettingsPage.xaml.h">
+      <DependentUpon>SettingsPage.xaml</DependentUpon>
+    </ClInclude>
     <ClInclude Include="src\Logger\SimpleLogger.h" />
     <ClInclude Include="src\Logger\ILogManager.h" />
     <ClInclude Include="src\Logger\ILogOutput.h" />
@@ -184,6 +187,7 @@
     <Page Include="MultiVideoPage.xaml" />
     <Page Include="LayeredVideoPage.xaml" />
     <Page Include="LogMessagePage.xaml" />
+    <Page Include="SettingsPage.xaml" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="pch.cpp">
@@ -213,6 +217,9 @@
     <ClCompile Include="LogMessagePage.xaml.cpp">
       <DependentUpon>LogMessagePage.xaml</DependentUpon>
     </ClCompile>
+    <ClCompile Include="SettingsPage.xaml.cpp">
+      <DependentUpon>SettingsPage.xaml</DependentUpon>
+    </ClCompile>
     <ClCompile Include="src\Logger\LogManager.cpp" />
     <ClCompile Include="src\Logger\LogOutputs.cpp" />
     <!-- <ClCompile Include="src\Decoder\VideoDecoderFactory.cpp" /> -->
@@ -253,6 +260,10 @@
       <SubType>Code</SubType>
       <DependentUpon>LogMessagePage.xaml</DependentUpon>
     </Midl>
+    <Midl Include="SettingsPage.idl">
+      <SubType>Code</SubType>
+      <DependentUpon>SettingsPage.xaml</DependentUpon>
+    </Midl>
   </ItemGroup>
   <ItemGroup>
     <Text Include="readme.txt">
diff --git a/vav2/Vav2Player/Vav2Player/VideoPlayerControl.xaml.cpp b/vav2/Vav2Player/Vav2Player/VideoPlayerControl.xaml.cpp
index f54eae7..de6ea7a 100644
--- a/vav2/Vav2Player/Vav2Player/VideoPlayerControl.xaml.cpp
+++ b/vav2/Vav2Player/Vav2Player/VideoPlayerControl.xaml.cpp
@@ -7,6 +7,7 @@
 // Note: VideoTypes.h not included due to VavCore migration guard
 #include <winrt/Microsoft.UI.Dispatching.h>
 #include <winrt/Windows.Storage.Streams.h>
+#include <winrt/Windows.Storage.h>
 #include <windows.storage.streams.h>
 #include <chrono>
 #include <algorithm>
@@ -32,6 +33,9 @@ namespace winrt::Vav2Player::implementation
     {
         InitializeComponent();
 
+        // Load decoder settings from Windows.Storage.ApplicationData
+        LoadDecoderSettings();
+
         // Initialize VavCore library (only once)
         static bool vavCoreInitialized = false;
         if (!vavCoreInitialized) {
@@ -341,6 +345,8 @@ namespace winrt::Vav2Player::implementation
             case VAVCORE_DECODER_DAV1D: decoderName = L"Software (dav1d)"; break;
             case VAVCORE_DECODER_MEDIA_FOUNDATION: decoderName = L"Hardware (Media Foundation)"; break;
             case VAVCORE_DECODER_NVDEC: decoderName = L"Hardware (NVDEC)"; break;
+            case VAVCORE_DECODER_VPL: decoderName = L"Hardware (Intel VPL)"; break;
+            case VAVCORE_DECODER_AMF: decoderName = L"Hardware (AMD AMF)"; break;
         }
         LogMgr::GetInstance().LogDecoderInfo(decoderName, L"Decoder type selected");
 
@@ -897,5 +903,63 @@ namespace winrt::Vav2Player::implementation
     double VideoPlayerControl::Duration() { return m_duration; }
     winrt::hstring VideoPlayerControl::Status() { return m_status; }
 
+    void VideoPlayerControl::LoadDecoderSettings()
+    {
+        try {
+            // Load from Windows.Storage.ApplicationData.Current.LocalSettings
+            auto localSettings = winrt::Windows::Storage::ApplicationData::Current().LocalSettings();
+            auto values = localSettings.Values();
+
+            // Load decoder type (default: AUTO)
+            if (values.HasKey(L"DecoderType")) {
+                auto decoderValue = values.Lookup(L"DecoderType");
+                if (decoderValue) {
+                    int32_t decoderInt = winrt::unbox_value<int32_t>(decoderValue);
+                    m_decoderType = static_cast<VavCoreDecoderType>(decoderInt);
+
+                    // Log loaded decoder setting
+                    std::wstring decoderName = L"Unknown";
+                    switch (m_decoderType) {
+                        case VAVCORE_DECODER_AUTO: decoderName = L"Auto"; break;
+                        case VAVCORE_DECODER_DAV1D: decoderName = L"Software (dav1d)"; break;
+                        case VAVCORE_DECODER_MEDIA_FOUNDATION: decoderName = L"Hardware (Media Foundation)"; break;
+                        case VAVCORE_DECODER_NVDEC: decoderName = L"Hardware (NVDEC)"; break;
+                        case VAVCORE_DECODER_VPL: decoderName = L"Hardware (Intel VPL)"; break;
+                        case VAVCORE_DECODER_AMF: decoderName = L"Hardware (AMD AMF)"; break;
+                    }
+                    LogMgr::GetInstance().LogInfo(L"Loaded decoder setting: " + decoderName, L"VideoPlayerControl");
+                }
+            } else {
+                m_decoderType = VAVCORE_DECODER_AUTO;
+                LogMgr::GetInstance().LogInfo(L"Using default decoder: Auto", L"VideoPlayerControl");
+            }
+        } catch (...) {
+            // If settings loading fails, use default
+            m_decoderType = VAVCORE_DECODER_AUTO;
+            LogMgr::GetInstance().LogWarning(L"Failed to load decoder settings, using default: Auto", L"VideoPlayerControl");
+        }
+    }
+
+    void VideoPlayerControl::RefreshDecoderSettings()
+    {
+        // Reload decoder settings from storage
+        LoadDecoderSettings();
+
+        // If a video is currently loaded, update the VavCore player with new decoder type
+        if (m_vavCorePlayer && m_isLoaded) {
+            vavcore_set_decoder_type(m_vavCorePlayer, m_decoderType);
+
+            std::wstring decoderName = L"Unknown";
+            switch (m_decoderType) {
+                case VAVCORE_DECODER_AUTO: decoderName = L"Auto"; break;
+                case VAVCORE_DECODER_DAV1D: decoderName = L"Software (dav1d)"; break;
+                case VAVCORE_DECODER_MEDIA_FOUNDATION: decoderName = L"Hardware (Media Foundation)"; break;
+                case VAVCORE_DECODER_NVDEC: decoderName = L"Hardware (NVDEC)"; break;
+                case VAVCORE_DECODER_VPL: decoderName = L"Hardware (Intel VPL)"; break;
+                case VAVCORE_DECODER_AMF: decoderName = L"Hardware (AMD AMF)"; break;
+            }
+            LogMgr::GetInstance().LogInfo(L"Applied new decoder setting: " + decoderName, L"VideoPlayerControl");
+        }
+    }
 
 }
\ No newline at end of file
diff --git a/vav2/Vav2Player/Vav2Player/VideoPlayerControl.xaml.h b/vav2/Vav2Player/Vav2Player/VideoPlayerControl.xaml.h
index 33cda5b..9746570 100644
--- a/vav2/Vav2Player/Vav2Player/VideoPlayerControl.xaml.h
+++ b/vav2/Vav2Player/Vav2Player/VideoPlayerControl.xaml.h
@@ -51,6 +51,7 @@ namespace winrt::Vav2Player::implementation
         void Pause();
         void Stop();
         void Seek(double timeSeconds);
+        void RefreshDecoderSettings();
 
         // Status Properties
         bool IsVideoPlaying();
@@ -120,6 +121,7 @@ namespace winrt::Vav2Player::implementation
         void ApplyAspectFitIfReady();
         void UpdateStatus(winrt::hstring const& message);
         void ResetVideoState();
+        void LoadDecoderSettings();
     };
 }
 
diff --git a/vav2/todo8.txt b/vav2/todo8.txt
index ff12acd..3402e96 100644
--- a/vav2/todo8.txt
+++ b/vav2/todo8.txt
@@ -1,18 +1,17 @@
 android player 를 만들어서 av1 디코딩 테스트 필요.
 
 
-모든 작업이 끝났으면 Vav2Player 의 Setting 화면에 Decoder 를 명시적으로 지정해주는 UI 를 추가해줘.
-
-
 CLAUDE.md 파일을 확인하여 현재 작업 상황을 점검하고 완료된 항목들을 업데이트해줘.
 완료된 사항만 간단하게 적어주고, 불필요한 정보들은 최대한 줄여줘.
 
-
 VavCoreVideoFrame 에는 color_space 변수가 없다. 차후에 이것을 사용할 기능이 들어가게 될까?
 
 
+------------
 VavCoreVideoFrame 에는 현재 cpu data 만 제공하고 있다.
-dx3d surface 에 직접 av1 프레임을 디코딩해주는 SDK 도 있다.
+d3d surface 에 직접 av1 프레임을 디코딩해주는 SDK 도 있다.
+만약 d3d surface 에 직접 디코딩과 렌더링까지 해준다면, 성능은 더 올라갈 것이다.
+
 각 프레임을 요청할 때, dx3d surface 인자를 제공해주면, surface 에 직접 프레임을 그려줄 수 있는지 조사해서 검토해봐줘.
 
 AMF
@@ -30,3 +29,10 @@ libvpl
 nvdec
 * header: D:\Project\video-av1\oss\nvidia-video-codec\Interface
 * doc: https://docs.nvidia.com/video-technologies/video-codec-sdk/13.0/nvdec-video-decoder-api-prog-guide/index.html
+
+기본 설계 문서를 작성하고, md 파일로 저장해줘.
+
+------------
+모든 작업이 끝났으면 Vav2Player 의 Setting 화면에 Decoder 를 명시적으로 지정해주는 UI 를 추가해줘.
+Vav2Player 의 Setting 화면에 Decoder 를 명시적으로 지정해주는 UI 를 추가해줘.
+Decoder 를 선택해서 고르게 되면, 다음 영상 재생할 때, 해당 디코더로 재생하도록 구현해줘