1 files changed, 86 insertions, 0 deletions
diff --git a/win/CS/HandBrakeWPF/Views/VideoView.xaml.cs b/win/CS/HandBrakeWPF/Views/VideoView.xaml.cs
index 8a0842a96..a285e490b 100644
--- a/win/CS/HandBrakeWPF/Views/VideoView.xaml.cs
+++ b/win/CS/HandBrakeWPF/Views/VideoView.xaml.cs
@@ -9,8 +9,19 @@
 
 namespace HandBrakeWPF.Views
 {
+    using System.Collections.Generic;
+    using System.Windows;
     using System.Windows.Controls;
 
+    using Caliburn.Micro;
+
+    using HandBrake.ApplicationServices.Model;
+    using HandBrake.ApplicationServices.Utilities;
+    using HandBrake.Interop.Model.Encoding;
+
+    using HandBrakeWPF.ViewModels;
+    using HandBrakeWPF.ViewModels.Interfaces;
+
     /// <summary>
     /// Interaction logic for VideoView.xaml
     /// </summary>
@@ -23,5 +34,80 @@ namespace HandBrakeWPF.Views
         {
             InitializeComponent();
         }
+
+
+        private void qsv_preset_radiobutton(object sender, System.Windows.RoutedEventArgs e)
+        {
+            qsv_preset_ValueChanged(sender, null);
+        }
+
+        private void qsv_preset_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
+        {
+            VideoViewModel mvm = ((VideoViewModel)this.DataContext);
+            EncodeTask task = mvm.Task;
+
+            string addon = "";
+
+            if (SystemInfo.IsHswOrNewer)
+            {
+                if (task.VideoEncodeRateType == VideoEncodeRateType.ConstantQuality)
+                {
+                    if (task.QsvPreset == QsvPreset.Balanced ||
+                        task.QsvPreset == QsvPreset.Speed)
+                        addon = "num-ref-frame=1";
+                }
+                if (task.VideoEncodeRateType == VideoEncodeRateType.AverageBitrate)
+                {
+                    if (task.QsvPreset == QsvPreset.Quality)
+                        addon = "lookahead=1:gop-ref-dist=3";
+                    else
+                        if (task.QsvPreset == QsvPreset.Balanced)
+                        {
+                            addon = "num-ref-frame=1:gop-ref-dist=1";
+                        }
+                        else
+                            if (task.QsvPreset == QsvPreset.Speed)
+                                addon = "gop-ref-dist=1";
+                }
+            }
+
+
+            string full_string = addon + ":";
+
+            IDictionary<string, string> newOptions = new Dictionary<string, string>();
+            string[] existingSegments = full_string.Split(':');
+            foreach (string existingSegment in existingSegments)
+            {
+                string optionName = existingSegment;
+                string optionValue = string.Empty;
+                int equalsIndex = existingSegment.IndexOf('=');
+                if (equalsIndex >= 0)
+                {
+                    optionName = existingSegment.Substring(
+                        0, existingSegment.IndexOf("=", System.StringComparison.Ordinal));
+                    optionValue = existingSegment.Substring(equalsIndex);
+                }
+
+                if (optionName != string.Empty)
+                {
+                    if (newOptions.ContainsKey(optionName))
+                        newOptions.Remove(optionName);
+                    newOptions.Add(optionName, optionValue);
+                }
+            }
+
+            full_string = "";
+            foreach (KeyValuePair<string, string> entry in newOptions)
+            {
+                full_string += entry.Key;
+                if (entry.Value != string.Empty)
+                    full_string += entry.Value;
+                full_string += ":";
+            }
+            full_string = full_string.TrimEnd(':');
+
+            task.AdvancedEncoderOptions = full_string;
+            task.NotifyOfPropertyChange(() => task.AdvancedEncoderOptions);
+        }
     }
 }