Added inline warning for DTS audio in MP4 container.

Author: RandomEngy

VidCoder/Controls/InlineWarning.xaml.cs

@@ -25,7 +25,7 @@ public InlineWarning()
 		}
 
 		public static readonly DependencyProperty WarningTextProperty = DependencyProperty.Register(
-			"Number",
+			"WarningText",
 			typeof(string),
 			typeof(InlineWarning),
 			new PropertyMetadata(new PropertyChangedCallback(OnWarningTextChanged)));

VidCoder/View/Panels/AudioPanel.xaml

@@ -189,7 +189,7 @@
 			<controls:InlineWarning
 				Visibility="{Binding PassthroughWarningVisible, Converter={StaticResource VisibilityConverter}}"
 				Margin="0,10,0,0" HorizontalAlignment="Left"
-				WarningText="Passthrough only works for AAC, AC3, MP3, DTS and DTS-HD sources. One or more audio tracks were dropped." />
+				WarningText="{Binding PassthroughWarningText}" />
 		</StackPanel>
 	</Grid>
 </UserControl>

VidCoder/ViewModel/Panels/AudioPanelViewModel.cs

@@ -12,6 +12,7 @@ namespace VidCoder.ViewModel
 {
 	public class AudioPanelViewModel : PanelViewModel
 	{
+		private string passthroughWarningText;
 		private bool passthroughWarningVisible;
 
 		private ObservableCollection<AudioEncodingViewModel> audioEncodings;
@@ -51,6 +52,20 @@ public bool HasAudioTracks
 			}
 		}
 
+		public string PassthroughWarningText
+		{
+			get
+			{
+				return this.passthroughWarningText;
+			}
+
+			set
+			{
+				this.passthroughWarningText = value;
+				this.NotifyPropertyChanged("PassthroughWarningText");
+			}
+		}
+
 		public bool PassthroughWarningVisible
 		{
 			get
@@ -189,11 +204,18 @@ public AudioOutputPreview GetAudioPreview(AudioTrack inputTrack, AudioEncodingVi
 
 				if (encoder == AudioEncoder.Passthrough && !Utilities.CanPassthrough(inputTrack.Codec))
 				{
+					this.PassthroughWarningText = "Passthrough only works for AAC, AC3, MP3, DTS and DTS-HD sources. One or more audio tracks were dropped.";
 					this.PassthroughWarningVisible = true;
 
 					return null;
 				}
 
+				if (encoder == AudioEncoder.Passthrough && (inputTrack.Codec == AudioCodec.Dts || inputTrack.Codec == AudioCodec.DtsHD) && this.Profile.OutputFormat == OutputFormat.Mp4)
+				{
+					this.PassthroughWarningText = "Few players support playback of DTS audio in MP4 containers. MKV is recommended for DTS audio.";
+					this.PassthroughWarningVisible = true;
+				}
+
 				return outputPreviewTrack;
 			}