Interop: Updates to the Interop Library to use the new methods to get at the Audio/Video encoder information from libhb. Patch by RandomEngy.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4329 b64f7644-9d1e-0410-96f1-a4d463321fa5

27 files changed, 1008 insertions, 405 deletions

diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Converters.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/Converters.cs
index aeea2a142..9a4b175e5 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/Converters.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Converters.cs
@@ -4,12 +4,14 @@
 // </copyright>

 // <summary>

 //   Defines the Converters type.

-// </summary>

-// --------------------------------------------------------------------------------------------------------------------

-

-namespace HandBrake.Interop

-{

-	using System;

+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+using HandBrake.Interop.Model;
+
+namespace HandBrake.Interop
+{
+	using System;
 	using System.Collections.Generic;

 

 	using HandBrake.Interop.HbLib;

@@ -190,8 +192,84 @@ namespace HandBrake.Interop
 				case NativeConstants.HB_ACODEC_CA_HAAC:

 					return AudioCodec.Aac;

 				default:

-					return AudioCodec.Other;

-			}

-		}

-	}

-}

+					return AudioCodec.Other;
+			}
+		}
+
+		/// <summary>
+		/// Converts a native HB encoder structure to an Encoder model.
+		/// </summary>
+		/// <param name="encoder">The structure to convert.</param>
+		/// <returns>The converted model.</returns>
+		public static HBVideoEncoder NativeToVideoEncoder(hb_encoder_s encoder)
+		{
+			var result = new HBVideoEncoder
+			{
+				Id = encoder.encoder,
+				ShortName = encoder.short_name,
+				DisplayName = encoder.human_readable_name,
+				CompatibleContainers = Container.None
+			};
+
+			if ((encoder.muxers & NativeConstants.HB_MUX_MKV) > 0)
+			{
+				result.CompatibleContainers = result.CompatibleContainers | Container.Mkv;
+			}
+
+			if ((encoder.muxers & NativeConstants.HB_MUX_MP4) > 0)
+			{
+				result.CompatibleContainers = result.CompatibleContainers | Container.Mp4;
+			}
+
+			return result;
+		}
+
+		/// <summary>
+		/// Converts a native HB encoder structure to an Encoder model.
+		/// </summary>
+		/// <param name="encoder">The structure to convert.</param>
+		/// <returns>The converted model.</returns>
+		public static HBAudioEncoder NativeToAudioEncoder(hb_encoder_s encoder)
+		{
+			var result = new HBAudioEncoder
+				{
+					Id = encoder.encoder,
+					ShortName = encoder.short_name,
+					DisplayName = encoder.human_readable_name,
+					CompatibleContainers = Container.None
+				};
+
+			if ((encoder.muxers & NativeConstants.HB_MUX_MKV) > 0)
+			{
+				result.CompatibleContainers = result.CompatibleContainers | Container.Mkv;
+			}
+
+			if ((encoder.muxers & NativeConstants.HB_MUX_MP4) > 0)
+			{
+				result.CompatibleContainers = result.CompatibleContainers | Container.Mp4;
+			}
+
+			result.QualityLimits = Encoders.GetAudioQualityLimits(encoder.encoder);
+			result.DefaultQuality = HBFunctions.hb_get_default_audio_quality((uint)encoder.encoder);
+			result.CompressionLimits = Encoders.GetAudioCompressionLimits(encoder.encoder);
+			result.DefaultCompression = HBFunctions.hb_get_default_audio_compression((uint) encoder.encoder);
+
+			return result;
+		}
+
+		/// <summary>
+		/// Converts a native HB mixdown structure to a Mixdown model.
+		/// </summary>
+		/// <param name="mixdown">The structure to convert.</param>
+		/// <returns>The converted model.</returns>
+		public static HBMixdown NativeToMixdown(hb_mixdown_s mixdown)
+		{
+			return new HBMixdown
+			    {
+					Id = mixdown.amixdown,
+					ShortName = mixdown.short_name,
+					DisplayName = mixdown.human_readable_name
+			    };
+		}
+	}
+}
diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/HandBrakeInstance.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/HandBrakeInstance.cs
index 71d0bf197..ee3c6e252 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/HandBrakeInstance.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/HandBrakeInstance.cs
@@ -102,6 +102,14 @@ namespace HandBrake.Interop
 		private List<IntPtr> encodeAllocatedMemory;

 

 		/// <summary>

+		/// Finalizes an instance of the HandBrakeInstance class.

+		/// </summary>

+		~HandBrakeInstance()

+		{

+			this.Dispose(false);

+		}

+

+		/// <summary>

 		/// Fires for progress updates when scanning.

 		/// </summary>

 		public event EventHandler<ScanProgressEventArgs> ScanProgress;

@@ -122,14 +130,6 @@ namespace HandBrake.Interop
 		public event EventHandler<EncodeCompletedEventArgs> EncodeCompleted;

 

 		/// <summary>

-		/// Finalizes an instance of the HandBrakeInstance class.

-		/// </summary>

-		~HandBrakeInstance()

-		{

-			this.Dispose(false);

-		}

-

-		/// <summary>

 		/// Gets the list of titles on this instance.

 		/// </summary>

 		public List<Title> Titles

@@ -163,6 +163,14 @@ namespace HandBrake.Interop
 		}

 

 		/// <summary>

+		/// Call before app shutdown. Performs global cleanup.

+		/// </summary>

+		public static void DisposeGlobal()

+		{

+			HBFunctions.hb_global_close();

+		}

+

+		/// <summary>

 		/// Initializes this instance.

 		/// </summary>

 		/// <param name="verbosity">The code for the logging verbosity to use.</param>

@@ -601,14 +609,6 @@ namespace HandBrake.Interop
 		}

 

 		/// <summary>

-		/// Call before app shutdown. Performs global cleanup.

-		/// </summary>

-		public static void DisposeGlobal()

-		{

-			HBFunctions.hb_global_close();

-		}

-

-		/// <summary>

 		/// Frees any resources associated with this object.

 		/// </summary>

 		/// <param name="disposing">True if managed objects as well as unmanaged should be disposed.</param>

@@ -627,6 +627,100 @@ namespace HandBrake.Interop
 		}

 

 		/// <summary>

+		/// Calculates the output size for a non-anamorphic job.

+		/// </summary>

+		/// <param name="profile">The encoding profile for the job.</param>

+		/// <param name="title">The title being encoded.</param>

+		/// <returns>The dimensions of the final encode.</returns>

+		private static Size CalculateNonAnamorphicOutput(EncodingProfile profile, Title title)

+		{

+			int sourceWidth = title.Resolution.Width;

+			int sourceHeight = title.Resolution.Height;

+

+			int width = profile.Width;

+			int height = profile.Height;

+

+			Cropping crop;

+			if (profile.CustomCropping)

+			{

+				crop = profile.Cropping;

+			}

+			else

+			{

+				crop = title.AutoCropDimensions;

+			}

+

+			sourceWidth -= crop.Left;

+			sourceWidth -= crop.Right;

+

+			sourceHeight -= crop.Top;

+			sourceHeight -= crop.Bottom;

+

+			double croppedAspectRatio = ((double)sourceWidth * title.ParVal.Width) / (sourceHeight * title.ParVal.Height);

+

+			if (width == 0)

+			{

+				width = sourceWidth;

+			}

+

+			if (profile.MaxWidth > 0 && width > profile.MaxWidth)

+			{

+				width = profile.MaxWidth;

+			}

+

+			if (height == 0)

+			{

+				height = sourceHeight;

+			}

+

+			if (profile.MaxHeight > 0 && height > profile.MaxHeight)

+			{

+				height = profile.MaxHeight;

+			}

+

+			if (profile.KeepDisplayAspect)

+			{

+				if ((profile.Width == 0 && profile.Height == 0) || profile.Width == 0)

+				{

+					width = (int)((double)height * croppedAspectRatio);

+					if (profile.MaxWidth > 0 && width > profile.MaxWidth)

+					{

+						width = profile.MaxWidth;

+						height = (int)((double)width / croppedAspectRatio);

+						height = GetNearestValue(height, PictureAutoSizeModulus);

+					}

+

+					width = GetNearestValue(width, PictureAutoSizeModulus);

+				}

+				else if (profile.Height == 0)

+				{

+					height = (int)((double)width / croppedAspectRatio);

+					if (profile.MaxHeight > 0 && height > profile.MaxHeight)

+					{

+						height = profile.MaxHeight;

+						width = (int)((double)height * croppedAspectRatio);

+						width = GetNearestValue(width, PictureAutoSizeModulus);

+					}

+

+					height = GetNearestValue(height, PictureAutoSizeModulus);

+				}

+			}

+

+			return new Size(width, height);

+		}

+

+		/// <summary>

+		/// Gets the closest value to the given number divisible by the given modulus.

+		/// </summary>

+		/// <param name="number">The number to approximate.</param>

+		/// <param name="modulus">The modulus.</param>

+		/// <returns>The closest value to the given number divisible by the given modulus.</returns>

+		private static int GetNearestValue(int number, int modulus)

+		{

+			return modulus * ((number + modulus / 2) / modulus);

+		}

+

+		/// <summary>

 		/// Checks the status of the ongoing scan.

 		/// </summary>

 		private void PollScanProgress()

@@ -1043,6 +1137,7 @@ namespace HandBrake.Interop
 						nativeJob.anamorphic.par_height = profile.PixelAspectY;

 						nativeJob.anamorphic.keep_display_aspect = 0;

 					}

+

 					break;

 				default:

 					break;

@@ -1054,21 +1149,14 @@ namespace HandBrake.Interop
 			nativeJob.maxWidth = profile.MaxWidth;

 			nativeJob.maxHeight = profile.MaxHeight;

 

-			switch (profile.VideoEncoder)

+			HBVideoEncoder videoEncoder = Encoders.VideoEncoders.FirstOrDefault(e => e.ShortName == profile.VideoEncoder);

+			if (videoEncoder == null)

 			{

-				case VideoEncoder.X264:

-					nativeJob.vcodec = NativeConstants.HB_VCODEC_X264;

-					break;

-				case VideoEncoder.Theora:

-					nativeJob.vcodec = NativeConstants.HB_VCODEC_THEORA;

-					break;

-				case VideoEncoder.FFMpeg:

-					nativeJob.vcodec = NativeConstants.HB_VCODEC_FFMPEG;

-					break;

-				default:

-					break;

+				throw new ArgumentException("Video encoder " + profile.VideoEncoder + " not recognized.");

 			}

 

+			nativeJob.vcodec = videoEncoder.Id;

+

 			if (profile.Framerate == 0)

 			{

 				nativeJob.cfr = 0;

@@ -1097,12 +1185,17 @@ namespace HandBrake.Interop
 			int numTracks = 0;

 

 			List<Tuple<AudioEncoding, int>> outputTrackList = this.GetOutputTracks(job, title);

-			nativeJob.acodec_fallback = (int)Converters.AudioEncoderToNative(profile.AudioEncoderFallback);

+

+			if (profile.AudioEncoderFallback != null)

+			{

+				nativeJob.acodec_fallback = Encoders.GetAudioEncoder(profile.AudioEncoderFallback).Id;

+			}

+

 			nativeJob.acodec_copy_mask = (int)NativeConstants.HB_ACODEC_ANY;

 

 			foreach (Tuple<AudioEncoding, int> outputTrack in outputTrackList)

 			{

-				audioList.Add(ConvertAudioBack(outputTrack.Item1, titleAudio[outputTrack.Item2 - 1], numTracks++, allocatedMemory));

+				audioList.Add(this.ConvertAudioBack(outputTrack.Item1, titleAudio[outputTrack.Item2 - 1], numTracks++, allocatedMemory));

 			}

 

 			NativeList nativeAudioList = InteropUtilities.ConvertListBack<hb_audio_s>(audioList);

@@ -1197,7 +1290,7 @@ namespace HandBrake.Interop
 				}

 			}

 

-			if (profile.OutputFormat == OutputFormat.Mp4)

+			if (profile.OutputFormat == Container.Mp4)

 			{

 				nativeJob.mux = NativeConstants.HB_MUX_MP4;

 			}

@@ -1339,33 +1432,58 @@ namespace HandBrake.Interop
 		private hb_audio_s ConvertAudioBack(AudioEncoding encoding, hb_audio_s baseStruct, int outputTrack, List<IntPtr> allocatedMemory)

 		{

 			hb_audio_s nativeAudio = baseStruct;

+			HBAudioEncoder encoder = Encoders.GetAudioEncoder(encoding.Encoder);

 

 			nativeAudio.config.output.track = outputTrack;

-			nativeAudio.config.output.codec = Converters.AudioEncoderToNative(encoding.Encoder);

+			nativeAudio.config.output.codec = (uint)encoder.Id;

 

-			if (!Utilities.IsPassthrough(encoding.Encoder))

+			if (!encoder.IsPassthrough)

 			{

-				nativeAudio.config.output.bitrate = encoding.Bitrate;

-				nativeAudio.config.output.dynamic_range_compression = encoding.Drc;

-				nativeAudio.config.output.gain = encoding.Gain;

-

-				if (encoding.Mixdown == Mixdown.Auto)

+				if (encoding.SampleRateRaw == 0)

 				{

-					nativeAudio.config.output.mixdown = HBFunctions.hb_get_default_mixdown(nativeAudio.config.output.codec, nativeAudio.config.input.channel_layout);

+					nativeAudio.config.output.samplerate = nativeAudio.config.input.samplerate;

 				}

 				else

 				{

-					nativeAudio.config.output.mixdown = Converters.MixdownToNative(encoding.Mixdown);

+					nativeAudio.config.output.samplerate = encoding.SampleRateRaw;

 				}

 

-				if (encoding.SampleRateRaw == 0)

+				HBMixdown mixdown = Encoders.GetMixdown(encoding.Mixdown);

+				nativeAudio.config.output.mixdown = mixdown.Id;

+

+				if (encoding.EncodeRateType == AudioEncodeRateType.Bitrate)

 				{

-					nativeAudio.config.output.samplerate = nativeAudio.config.input.samplerate;

+					// Disable quality targeting.

+					nativeAudio.config.output.quality = -1;

+

+					if (encoding.Bitrate == 0)

+					{

+						// Bitrate of 0 means auto: choose the default for this codec, sample rate and mixdown.

+						nativeAudio.config.output.bitrate = HBFunctions.hb_get_default_audio_bitrate(

+							nativeAudio.config.output.codec,

+							nativeAudio.config.output.samplerate,

+							nativeAudio.config.output.mixdown);

+					}

+					else

+					{

+						nativeAudio.config.output.bitrate = encoding.Bitrate;

+					}

 				}

-				else

+				else if (encoding.EncodeRateType == AudioEncodeRateType.Quality)

 				{

-					nativeAudio.config.output.samplerate = encoding.SampleRateRaw;

+					// Bitrate of -1 signals quality targeting.

+					nativeAudio.config.output.bitrate = -1;

+					nativeAudio.config.output.quality = encoding.Quality;

+				}

+

+				// If this encoder supports compression level, pass it in.

+				if (encoder.SupportsCompression)

+				{

+					nativeAudio.config.output.compression_level = encoding.Compression;

 				}

+

+				nativeAudio.config.output.dynamic_range_compression = encoding.Drc;

+				nativeAudio.config.output.gain = encoding.Gain;

 			}

 

 			if (!string.IsNullOrEmpty(encoding.Name))

@@ -1479,6 +1597,7 @@ namespace HandBrake.Interop
 				{

 					TrackNumber = currentAudioTrack,

 					Codec = Converters.NativeToAudioCodec(audio.config.input.codec),

+					CodecId = audio.config.input.codec,

 					Language = audio.config.lang.simple,

 					LanguageCode = audio.config.lang.iso639_2,

 					Description = audio.config.lang.description,

@@ -1506,99 +1625,5 @@ namespace HandBrake.Interop
 

 			return newTitle;

 		}

-

-		/// <summary>

-		/// Calculates the output size for a non-anamorphic job.

-		/// </summary>

-		/// <param name="profile">The encoding profile for the job.</param>

-		/// <param name="title">The title being encoded.</param>

-		/// <returns>The dimensions of the final encode.</returns>

-		private static Size CalculateNonAnamorphicOutput(EncodingProfile profile, Title title)

-		{

-			int sourceWidth = title.Resolution.Width;

-			int sourceHeight = title.Resolution.Height;

-

-			int width = profile.Width;

-			int height = profile.Height;

-

-			Cropping crop;

-			if (profile.CustomCropping)

-			{

-				crop = profile.Cropping;

-			}

-			else

-			{

-				crop = title.AutoCropDimensions;

-			}

-

-			sourceWidth -= crop.Left;

-			sourceWidth -= crop.Right;

-

-			sourceHeight -= crop.Top;

-			sourceHeight -= crop.Bottom;

-

-			double croppedAspectRatio = ((double)sourceWidth * title.ParVal.Width) / (sourceHeight * title.ParVal.Height);

-

-			if (width == 0)

-			{

-				width = sourceWidth;

-			}

-

-			if (profile.MaxWidth > 0 && width > profile.MaxWidth)

-			{

-				width = profile.MaxWidth;

-			}

-

-			if (height == 0)

-			{

-				height = sourceHeight;

-			}

-

-			if (profile.MaxHeight > 0 && height > profile.MaxHeight)

-			{

-				height = profile.MaxHeight;

-			}

-

-			if (profile.KeepDisplayAspect)

-			{

-				if ((profile.Width == 0 && profile.Height == 0) || profile.Width == 0)

-				{

-					width = (int)((double)height * croppedAspectRatio);

-					if (profile.MaxWidth > 0 && width > profile.MaxWidth)

-					{

-						width = profile.MaxWidth;

-						height = (int)((double)width / croppedAspectRatio);

-						height = GetNearestValue(height, PictureAutoSizeModulus);

-					}

-

-					width = GetNearestValue(width, PictureAutoSizeModulus);

-				}

-				else if (profile.Height == 0)

-				{

-					height = (int)((double)width / croppedAspectRatio);

-					if (profile.MaxHeight > 0 && height > profile.MaxHeight)

-					{

-						height = profile.MaxHeight;

-						width = (int)((double)height * croppedAspectRatio);

-						width = GetNearestValue(width, PictureAutoSizeModulus);

-					}

-

-					height = GetNearestValue(height, PictureAutoSizeModulus);

-				}

-			}

-

-			return new Size(width, height);

-		}

-

-		/// <summary>

-		/// Gets the closest value to the given number divisible by the given modulus.

-		/// </summary>

-		/// <param name="number">The number to approximate.</param>

-		/// <param name="modulus">The modulus.</param>

-		/// <returns>The closest value to the given number divisible by the given modulus.</returns>

-		private static int GetNearestValue(int number, int modulus)

-		{

-			return modulus * ((number + modulus / 2) / modulus);

-		}

 	}

 }

diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/HandBrakeInterop.csproj b/win/CS/HandBrake.Interop/HandBrakeInterop/HandBrakeInterop.csproj
index d877ac1bf..62b901df8 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/HandBrakeInterop.csproj
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/HandBrakeInterop.csproj
@@ -142,29 +142,35 @@
     <Compile Include="Language.cs" />

     <Compile Include="LanguageCodes.cs" />

     <Compile Include="MarshalingConstants.cs" />

-    <Compile Include="MessageLoggedEventArgs.cs" />

-    <Compile Include="Model\Cropping.cs" />

-    <Compile Include="Model\EncodeJob.cs" />

-    <Compile Include="Model\Encoding\Anamorphic.cs" />

-    <Compile Include="Model\Encoding\AudioEncoder.cs" />

-    <Compile Include="Model\Encoding\AudioEncoding.cs" />

-    <Compile Include="Model\Encoding\Decomb.cs" />

+    <Compile Include="MessageLoggedEventArgs.cs" />
+    <Compile Include="Model\Cropping.cs" />
+    <Compile Include="Model\EncodeJob.cs" />
+    <Compile Include="Model\Encoders.cs" />
+    <Compile Include="Model\Encoding\Anamorphic.cs" />
+    <Compile Include="Model\Encoding\AudioEncodeRateType.cs" />
+    <Compile Include="Model\Encoding\HBAudioEncoder.cs" />
+    <Compile Include="Model\Encoding\AudioEncoder.cs" />
+    <Compile Include="Model\Encoding\AudioEncoding.cs" />
+    <Compile Include="Model\Encoding\Decomb.cs" />
     <Compile Include="Model\Encoding\Deinterlace.cs" />

-    <Compile Include="Model\Encoding\Denoise.cs" />

-    <Compile Include="Model\Encoding\Detelecine.cs" />

-    <Compile Include="Model\Encoding\EncodingProfile.cs" />

-    <Compile Include="Model\Encoding\Mixdown.cs" />

-    <Compile Include="Model\Encoding\OutputExtension.cs" />

-    <Compile Include="Model\Encoding\OutputFormat.cs" />

-    <Compile Include="Model\Encoding\VideoEncoder.cs" />

-    <Compile Include="Model\Encoding\VideoEncodeRateType.cs" />

-    <Compile Include="Model\Encoding\x264\x264Preset.cs" />

-    <Compile Include="Model\Encoding\x264\x264Profile.cs" />

-    <Compile Include="Model\Encoding\x264\x264Tune.cs" />

-    <Compile Include="Model\Limits.cs" />

-    <Compile Include="Model\Size.cs" />

-    <Compile Include="Model\SourceSubtitle.cs" />

-    <Compile Include="Model\SourceType.cs" />

+    <Compile Include="Model\Encoding\Denoise.cs" />
+    <Compile Include="Model\Encoding\Detelecine.cs" />
+    <Compile Include="Model\Encoding\EncodingProfile.cs" />
+    <Compile Include="Model\Encoding\HBMixdown.cs" />
+    <Compile Include="Model\Encoding\HBVideoEncoder.cs" />
+    <Compile Include="Model\Encoding\Mixdown.cs" />
+    <Compile Include="Model\Encoding\OutputExtension.cs" />
+    <Compile Include="Model\Encoding\Container.cs" />
+    <Compile Include="Model\Encoding\VideoEncoder.cs" />
+    <Compile Include="Model\Encoding\VideoEncodeRateType.cs" />
+    <Compile Include="Model\Encoding\x264\x264Preset.cs" />
+    <Compile Include="Model\Encoding\x264\x264Profile.cs" />
+    <Compile Include="Model\Encoding\x264\x264Tune.cs" />
+    <Compile Include="Model\BitrateLimits.cs" />
+    <Compile Include="Model\RangeLimits.cs" />
+    <Compile Include="Model\Size.cs" />
+    <Compile Include="Model\SourceSubtitle.cs" />
+    <Compile Include="Model\SourceType.cs" />
     <Compile Include="Model\SrtSubtitle.cs" />

     <Compile Include="Model\Subtitles.cs" />

     <Compile Include="Model\VideoRangeType.cs" />

diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/HandBrakeUtils.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/HandBrakeUtils.cs
index 4c358da69..908afe250 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/HandBrakeUtils.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/HandBrakeUtils.cs
@@ -4,12 +4,14 @@
 // </copyright>

 // <summary>

 //   Defines the HandBrakeUtils type.

-// </summary>

-// --------------------------------------------------------------------------------------------------------------------

-

-namespace HandBrake.Interop

-{

-	using System;

+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+using System.Runtime.InteropServices;
+
+namespace HandBrake.Interop
+{
+	using System;
 	using System.Collections.Generic;

 

 	using HandBrake.Interop.HbLib;

@@ -111,72 +113,12 @@ namespace HandBrake.Interop
 

 				System.Diagnostics.Debug.WriteLine("ERROR: " + message);

 			}

-		}

-

-		/// <summary>

-		/// Gets the default mixdown for the given audio encoder and channel layout.

-		/// </summary>

-		/// <param name="encoder">The output codec to be used.</param>

-		/// <param name="layout">The input channel layout.</param>

-		/// <returns>The default mixdown for the given codec and channel layout.</returns>

-		public static Mixdown GetDefaultMixdown(AudioEncoder encoder, int layout)

-		{

-			int defaultMixdown = HBFunctions.hb_get_default_mixdown(Converters.AudioEncoderToNative(encoder), layout);

-			return Converters.NativeToMixdown(defaultMixdown);

-		}

-

-		/// <summary>

-		/// Gets the bitrate limits for the given audio codec, sample rate and mixdown.

-		/// </summary>

-		/// <param name="encoder">The audio encoder used.</param>

-		/// <param name="sampleRate">The sample rate used (Hz).</param>

-		/// <param name="mixdown">The mixdown used.</param>

-		/// <returns>Limits on the audio bitrate for the given settings.</returns>

-		public static Limits GetBitrateLimits(AudioEncoder encoder, int sampleRate, Mixdown mixdown)

-		{

-			if (mixdown == Mixdown.Auto)

-			{

-				throw new ArgumentException("Mixdown cannot be Auto.");			

-			}

-

-			int low = 0;

-			int high = 0;

-

-			HBFunctions.hb_get_audio_bitrate_limits(Converters.AudioEncoderToNative(encoder), sampleRate, Converters.MixdownToNative(mixdown), ref low, ref high);

-

-			return new Limits { Low = low, High = high };

-		}

-

-		/// <summary>

-		/// Sanitizes a mixdown given the output codec and input channel layout.

-		/// </summary>

-		/// <param name="mixdown">The desired mixdown.</param>

-		/// <param name="encoder">The output encoder to be used.</param>

-		/// <param name="layout">The input channel layout.</param>

-		/// <returns>A sanitized mixdown value.</returns>

-		public static Mixdown SanitizeMixdown(Mixdown mixdown, AudioEncoder encoder, int layout)

-		{

-			int sanitizedMixdown = HBFunctions.hb_get_best_mixdown(Converters.AudioEncoderToNative(encoder), layout, Converters.MixdownToNative(mixdown));

-			return Converters.NativeToMixdown(sanitizedMixdown);

-		}

-

-		/// <summary>

-		/// Sanitizes an audio bitrate given the output codec, sample rate and mixdown.

-		/// </summary>

-		/// <param name="audioBitrate">The desired audio bitrate.</param>

-		/// <param name="encoder">The output encoder to be used.</param>

-		/// <param name="sampleRate">The output sample rate to be used.</param>

-		/// <param name="mixdown">The mixdown to be used.</param>

-		/// <returns>A sanitized audio bitrate.</returns>

-		public static int SanitizeAudioBitrate(int audioBitrate, AudioEncoder encoder, int sampleRate, Mixdown mixdown)

-		{

-			return HBFunctions.hb_get_best_audio_bitrate(Converters.AudioEncoderToNative(encoder), audioBitrate, sampleRate, Converters.MixdownToNative(mixdown));

-		}

-

-		/// <summary>

-		/// Gets the total number of seconds on the given encode job.

-		/// </summary>

-		/// <param name="job">The encode job to query.</param>

+		}
+
+		/// <summary>
+		/// Gets the total number of seconds on the given encode job.
+		/// </summary>
+		/// <param name="job">The encode job to query.</param>
 		/// <param name="title">The title being encoded.</param>

 		/// <returns>The total number of seconds of video to encode.</returns>

 		internal static double GetJobLengthSeconds(EncodeJob job, Title title)

@@ -200,37 +142,37 @@ namespace HandBrake.Interop
 			return 0;

 		}

 

-		/// <summary>

-		/// Gets the number of audio samples used per frame for the given audio encoder.

-		/// </summary>

-		/// <param name="encoder">The encoder to query.</param>

-		/// <returns>The number of audio samples used per frame for the given

-		/// audio encoder.</returns>

-		internal static int GetAudioSamplesPerFrame(AudioEncoder encoder)

-		{

-			switch (encoder)

-			{

-				case AudioEncoder.Faac:

-				case AudioEncoder.ffaac:

-				case AudioEncoder.AacPassthru:

-				case AudioEncoder.Vorbis:

-					return 1024;

-				case AudioEncoder.Lame:

-				case AudioEncoder.Mp3Passthru:

-					return 1152;

-				case AudioEncoder.Ac3:

-				case AudioEncoder.Passthrough:

-				case AudioEncoder.Ac3Passthrough:

-				case AudioEncoder.DtsPassthrough:

-				case AudioEncoder.DtsHDPassthrough:

-					return 1536;

-			}

-

-			System.Diagnostics.Debug.Assert(true, "Audio encoder unrecognized.");

-			return 0;

-		}

-

-		/// <summary>

+		/// <summary>
+		/// Gets the number of audio samples used per frame for the given audio encoder.
+		/// </summary>
+		/// <param name="encoderName">The encoder to query.</param>
+		/// <returns>The number of audio samples used per frame for the given
+		/// audio encoder.</returns>
+		internal static int GetAudioSamplesPerFrame(string encoderName)
+		{
+			switch (encoderName)
+			{
+				case "faac":
+				case "ffaac":
+				case "copy:aac":
+				case "vorbis":
+					return 1024;
+				case "lame":
+				case "copy:mp3":
+					return 1152;
+				case "ffac3":
+				case "copy":
+				case "copy:ac3":
+				case "copy:dts":
+				case "copy:dtshd":
+					return 1536;
+			}
+
+			// Unknown encoder; make a guess.
+			return 1536;
+		}
+
+		/// <summary>
 		/// Gets the size in bytes for the audio with the given parameters.

 		/// </summary>

 		/// <param name="job">The encode job.</param>

@@ -247,21 +189,41 @@ namespace HandBrake.Interop
 				AudioEncoding encoding = outputTrack.Item1;

 				AudioTrack track = title.AudioTracks[outputTrack.Item2 - 1];

 

-				int samplesPerFrame = HandBrakeUtils.GetAudioSamplesPerFrame(encoding.Encoder);

-				int audioBitrate;

-

-				if (Utilities.IsPassthrough(encoding.Encoder))

-				{

-					// Input bitrate is in bits/second.

-					audioBitrate = track.Bitrate / 8;

-				}

-				else

-				{

-					// Output bitrate is in kbps.

-					audioBitrate = encoding.Bitrate * 1000 / 8;

-				}

-

-				audioBytes += (long)(lengthSeconds * audioBitrate);

+				int samplesPerFrame = HandBrakeUtils.GetAudioSamplesPerFrame(encoding.Encoder);
+				int audioBitrate;
+
+				HBAudioEncoder audioEncoder = Encoders.GetAudioEncoder(encoding.Encoder);
+
+				if (audioEncoder.IsPassthrough)
+				{
+					// Input bitrate is in bits/second.
+					audioBitrate = track.Bitrate / 8;
+				}
+				else if (encoding.EncodeRateType == AudioEncodeRateType.Quality)
+				{
+					// Can't predict size of quality targeted audio encoding.
+					audioBitrate = 0;
+				}
+				else
+				{
+					int outputBitrate;
+					if (encoding.Bitrate > 0)
+					{
+						outputBitrate = encoding.Bitrate;
+					}
+					else
+					{
+						outputBitrate = Encoders.GetDefaultBitrate(
+							audioEncoder,
+							encoding.SampleRateRaw == 0 ? track.SampleRate : encoding.SampleRateRaw,
+							Encoders.SanitizeMixdown(Encoders.GetMixdown(encoding.Mixdown), audioEncoder, track.ChannelLayout));
+					}
+
+					// Output bitrate is in kbps.
+					audioBitrate = outputBitrate * 1000 / 8;
+				}
+
+				audioBytes += (long)(lengthSeconds * audioBitrate);
 

 				// Audio overhead

 				audioBytes += encoding.SampleRateRaw * ContainerOverheadPerFrame / samplesPerFrame;

diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/HbFunctions.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/HbFunctions.cs
index 7e87475cc..7cc7e1b40 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/HbFunctions.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/HbFunctions.cs
@@ -10,10 +10,10 @@
 

 namespace HandBrake.Interop.HbLib

 {

-    using System;

-    using System.Runtime.InteropServices;

+	using System;

+	using System.Runtime.InteropServices;

 

-    public static class HBFunctions

+	public static class HBFunctions

 	{

 		[DllImport("hb.dll", EntryPoint = "hb_register_logger", CallingConvention = CallingConvention.Cdecl)]

 		public static extern void hb_register_logger(LoggingCallback callback);

@@ -229,6 +229,7 @@ namespace HandBrake.Interop.HbLib
 		[DllImport("hb.dll", EntryPoint = "hb_srt_add", CallingConvention = CallingConvention.Cdecl)]

 		public static extern int hb_srt_add(ref hb_job_s job, ref hb_subtitle_config_s subtitleConfig, string lang);

 

+

 		[DllImport("hb.dll", EntryPoint = "hb_get_default_mixdown", CallingConvention = CallingConvention.Cdecl)]

 		public static extern int hb_get_default_mixdown(uint codec, int layout);

 

@@ -238,7 +239,62 @@ namespace HandBrake.Interop.HbLib
 		[DllImport("hb.dll", EntryPoint = "hb_get_best_audio_bitrate", CallingConvention = CallingConvention.Cdecl)]

 		public static extern int hb_get_best_audio_bitrate(uint codec, int bitrate, int samplerate, int mixdown);

 

+		[DllImport("hb.dll", EntryPoint = "hb_get_default_audio_bitrate", CallingConvention = CallingConvention.Cdecl)]

+		public static extern int hb_get_default_audio_bitrate(uint codec, int samplerate, int mixdown);

+

 		[DllImport("hb.dll", EntryPoint = "hb_get_audio_bitrate_limits", CallingConvention = CallingConvention.Cdecl)]

 		public static extern int hb_get_audio_bitrate_limits(uint codec, int samplerate, int mixdown, ref int low, ref int high);

+

+		[DllImport("hb.dll", EntryPoint = "hb_get_audio_quality_limits", CallingConvention = CallingConvention.Cdecl)]

+		public static extern void hb_get_audio_quality_limits(uint codec, ref float low, ref float high, ref float granularity, ref int direction);

+

+		[DllImport("hb.dll", EntryPoint = "hb_get_default_audio_quality", CallingConvention = CallingConvention.Cdecl)]

+		public static extern float hb_get_default_audio_quality(uint codec);

+

+		[DllImport("hb.dll", EntryPoint = "hb_get_audio_compression_limits", CallingConvention = CallingConvention.Cdecl)]

+		public static extern void hb_get_audio_compression_limits(uint codec, ref float low, ref float high, ref float granularity, ref int direction);

+

+		[DllImport("hb.dll", EntryPoint = "hb_get_default_audio_compression", CallingConvention = CallingConvention.Cdecl)]

+		public static extern float hb_get_default_audio_compression(uint codec);

+

+

+		[DllImport("hb.dll", EntryPoint = "hb_get_video_rates", CallingConvention = CallingConvention.Cdecl)]

+		public static extern IntPtr hb_get_video_rates();

+

+		[DllImport("hb.dll", EntryPoint = "hb_get_video_rates_count", CallingConvention = CallingConvention.Cdecl)]

+		public static extern int hb_get_video_rates_count();

+

+		[DllImport("hb.dll", EntryPoint = "hb_get_audio_rates", CallingConvention = CallingConvention.Cdecl)]

+		public static extern IntPtr hb_get_audio_rates();

+

+		[DllImport("hb.dll", EntryPoint = "hb_get_audio_rates_count", CallingConvention = CallingConvention.Cdecl)]

+		public static extern int hb_get_audio_rates_count();

+

+		[DllImport("hb.dll", EntryPoint = "hb_get_audio_rates_default", CallingConvention = CallingConvention.Cdecl)]

+		public static extern int hb_get_audio_rates_default();

+

+		[DllImport("hb.dll", EntryPoint = "hb_get_audio_bitrates", CallingConvention = CallingConvention.Cdecl)]

+		public static extern IntPtr hb_get_audio_bitrates();

+

+		[DllImport("hb.dll", EntryPoint = "hb_get_audio_bitrates_count", CallingConvention = CallingConvention.Cdecl)]

+		public static extern int hb_get_audio_bitrates_count();

+

+		[DllImport("hb.dll", EntryPoint = "hb_get_audio_mixdowns", CallingConvention = CallingConvention.Cdecl)]

+		public static extern IntPtr hb_get_audio_mixdowns();

+

+		[DllImport("hb.dll", EntryPoint = "hb_get_audio_mixdowns_count", CallingConvention = CallingConvention.Cdecl)]

+		public static extern int hb_get_audio_mixdowns_count();

+

+		[DllImport("hb.dll", EntryPoint = "hb_get_video_encoders", CallingConvention = CallingConvention.Cdecl)]

+		public static extern IntPtr hb_get_video_encoders();

+

+		[DllImport("hb.dll", EntryPoint = "hb_get_video_encoders_count", CallingConvention = CallingConvention.Cdecl)]

+		public static extern int hb_get_video_encoders_count();

+

+		[DllImport("hb.dll", EntryPoint = "hb_get_audio_encoders", CallingConvention = CallingConvention.Cdecl)]

+		public static extern IntPtr hb_get_audio_encoders();

+

+		[DllImport("hb.dll", EntryPoint = "hb_get_audio_encoders_count", CallingConvention = CallingConvention.Cdecl)]

+		public static extern int hb_get_audio_encoders_count();

 	}

 }

diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/Misc.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/Misc.cs
index cc007596a..753b7edd2 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/Misc.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/Misc.cs
@@ -62,6 +62,39 @@ namespace HandBrake.Interop.HbLib
 		public int rate;

 	}

 

+	[StructLayout(LayoutKind.Sequential)]

+	public struct hb_mixdown_s

+	{

+		/// char*

+		[MarshalAs(UnmanagedType.LPStr)]

+		public string human_readable_name;

+

+		/// char*

+		[MarshalAs(UnmanagedType.LPStr)]

+		public string internal_name;

+

+		/// char*

+		[MarshalAs(UnmanagedType.LPStr)]

+		public string short_name;

+

+		/// int

+		public int amixdown;

+	}

+

+	[StructLayout(LayoutKind.Sequential)]

+	public struct hb_encoder_s

+	{

+		[MarshalAs(UnmanagedType.LPStr)]

+		public string human_readable_name;

+

+		[MarshalAs(UnmanagedType.LPStr)]

+		public string short_name;

+

+		public int encoder;

+

+		public int muxers;

+	}

+

 	[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]

 	public struct hb_metadata_s

 	{

@@ -192,25 +225,6 @@ namespace HandBrake.Interop.HbLib
 	}

 

 	[StructLayout(LayoutKind.Sequential)]

-	public struct hb_mixdown_s

-	{

-		/// char*

-		[MarshalAs(UnmanagedType.LPStr)]

-		public string human_readable_name;

-

-		/// char*

-		[MarshalAs(UnmanagedType.LPStr)]

-		public string internal_name;

-

-		/// char*

-		[MarshalAs(UnmanagedType.LPStr)]

-		public string short_name;

-

-		/// int

-		public int amixdown;

-	}

-

-	[StructLayout(LayoutKind.Sequential)]

 	public struct hb_fifo_s

 	{

 		/// hb_lock_t*

diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/NativeConstants.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/NativeConstants.cs
index ebbe0766a..aae152dce 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/NativeConstants.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/NativeConstants.cs
@@ -12,7 +12,7 @@ namespace HandBrake.Interop.HbLib
 {

 	public partial class NativeConstants

 	{

-		public const uint HB_ACODEC_MASK = 0x0000FF00;

+		public const uint HB_ACODEC_MASK = 0x001FFF00;

 		public const uint HB_ACODEC_FAAC = 0x00000100;

 		public const uint HB_ACODEC_LAME = 0x00000200;

 		public const uint HB_ACODEC_VORBIS = 0x00000400;

@@ -25,7 +25,8 @@ namespace HandBrake.Interop.HbLib
 		public const uint HB_ACODEC_FFMPEG = 0x00020000;

 		public const uint HB_ACODEC_DCA_HD = 0x00040000;

 		public const uint HB_ACODEC_MP3 = 0x00080000;

-		public const uint HB_ACODEC_FF_MASK = 0x000f0000;

+		public const uint HB_ACODEC_FFFLAC = 0x00100000;

+		public const uint HB_ACODEC_FF_MASK = 0x001f0000;

 		public const uint HB_ACODEC_PASS_FLAG = 0x40000000;

 		public const uint HB_ACODEC_PASS_MASK = (HB_ACODEC_MP3 | HB_ACODEC_FFAAC | HB_ACODEC_DCA_HD | HB_ACODEC_AC3 | HB_ACODEC_DCA);

 		public const uint HB_ACODEC_AUTO_PASS = (HB_ACODEC_PASS_MASK | HB_ACODEC_PASS_FLAG);

diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/hb_audio.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/hb_audio.cs
index 740f1eacf..6decf10d0 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/hb_audio.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/hb_audio.cs
@@ -10,10 +10,10 @@
 

 namespace HandBrake.Interop.HbLib

 {

-    using System;

-    using System.Runtime.InteropServices;

+	using System;

+	using System.Runtime.InteropServices;

 

-    [StructLayout(LayoutKind.Sequential)]

+	[StructLayout(LayoutKind.Sequential)]

 	public struct hb_audio_s

 	{

 		/// int

@@ -59,6 +59,10 @@ namespace HandBrake.Interop.HbLib
 		/// int

 		public int bitrate;

 

+		public float quality;

+

+		public float compression_level;

+

 		/// int

 		public int mixdown;

 

diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/hb_title_s.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/hb_title_s.cs
index 117787c1b..bc4e2a7ff 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/hb_title_s.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/HbLib/hb_title_s.cs
@@ -78,6 +78,8 @@ namespace HandBrake.Interop.HbLib
 		/// double

 		public double container_aspect;

 

+		public int has_resolution_change;

+

 		/// int

 		public int width;

 

diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/InteropUtilities.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/InteropUtilities.cs
index 40c2571a9..3a36ddfc9 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/InteropUtilities.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/InteropUtilities.cs
@@ -12,13 +12,13 @@ namespace HandBrake.Interop
 	using System;

 	using System.Collections.Generic;

 	using System.Runtime.InteropServices;

-

-	using HandBrake.Interop.HbLib;

-

-    /// <summary>

-	/// Helper utilities for native interop.

-	/// </summary>

-	public static class InteropUtilities

+
+	using HandBrake.Interop.HbLib;
+
+	/// <summary>
+	/// Helper utilities for native interop.
+	/// </summary>
+	public static class InteropUtilities
 	{

 		/// <summary>

 		/// Reads the given native structure pointer.

@@ -49,12 +49,35 @@ namespace HandBrake.Interop
 			}

 

 			return returnList;

-		}

-

-		/// <summary>

-		/// Creats a new, empty native HandBrake list.

-		/// </summary>

-		/// <param name="capacity">The capacity of the new list.</param>

+		}
+
+		/// <summary>
+		/// Converts the given native array to a managed collection.
+		/// </summary>
+		/// <typeparam name="T">The type of item in the list.</typeparam>
+		/// <param name="arrayPtr">The pointer to the array.</param>
+		/// <param name="count">The number of items in the array.</param>
+		/// <returns>The converted collection.</returns>
+		public static IEnumerable<T> ConvertArray<T>(IntPtr arrayPtr, int count)
+		{
+			IntPtr currentItem = arrayPtr;
+
+			var result = new List<T>();
+			for (int i = 0; i < count; i++)
+			{
+				T nativeEncoder = ReadStructure<T>(currentItem);
+				result.Add(nativeEncoder);
+
+				currentItem = IntPtr.Add(currentItem, Marshal.SizeOf(typeof(T)));
+			}
+
+			return result;
+		} 
+
+		/// <summary>
+		/// Creats a new, empty native HandBrake list.
+		/// </summary>
+		/// <param name="capacity">The capacity of the new list.</param>
 		/// <returns>The new native list.</returns>

 		public static NativeList CreateNativeList(int capacity)

 		{

diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/MarshalingConstants.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/MarshalingConstants.cs
index 66dc737fb..07ebc0810 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/MarshalingConstants.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/MarshalingConstants.cs
@@ -9,21 +9,21 @@
 

 namespace HandBrake.Interop

 {

-	public static class MarshalingConstants

-	{

-#if X64

-		public const int JobPaddingBytes = 24688;

-		public const int AudioPaddingBytes = 24632;

-#else

-	    /// <summary>

-	    /// Job Padding Bytes

-	    /// </summary>

-	    public const int JobPaddingBytes = 24640;

-

-	    /// <summary>

-	    /// Audio Padding Bytes

-	    /// </summary>

-	    public const int AudioPaddingBytes = 24604;

-#endif

-	}

-}

+	public static class MarshalingConstants
+	{
+#if X64
+		public const int JobPaddingBytes = 49264;
+		public const int AudioPaddingBytes = 49208;
+#else
+	    /// <summary>
+	    /// Job Padding Bytes
+	    /// </summary>
+	    public const int JobPaddingBytes = 49216;
+
+	    /// <summary>
+	    /// Audio Padding Bytes
+	    /// </summary>
+	    public const int AudioPaddingBytes = 49180;
+#endif
+	}
+}
diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/BitrateLimits.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/BitrateLimits.cs
new file mode 100644
index 000000000..8e6a49582
--- /dev/null
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/BitrateLimits.cs
@@ -0,0 +1,15 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="BitrateLimits.cs" company="HandBrake Project (http://handbrake.fr)">
+//   This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
+// </copyright>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace HandBrake.Interop.Model
+{
+	public class BitrateLimits
+	{
+		public int Low { get; set; }
+
+		public int High { get; set; }
+	}
+}
diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoders.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoders.cs
new file mode 100644
index 000000000..9857bb6ad
--- /dev/null
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoders.cs
@@ -0,0 +1,268 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="Encoders.cs" company="HandBrake Project (http://handbrake.fr)">
+//   This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
+// </copyright>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace HandBrake.Interop.Model
+{
+	using System;
+	using System.Collections.Generic;
+	using System.Linq;
+	using System.Runtime.InteropServices;
+	using HandBrake.Interop.HbLib;
+	using HandBrake.Interop.Model.Encoding;
+	using HandBrake.Interop.SourceData;
+
+	public static class Encoders
+	{
+		private static List<HBAudioEncoder> audioEncoders;
+		private static List<HBVideoEncoder> videoEncoders;
+		private static List<HBMixdown> mixdowns;
+		private static List<int> audioBitrates; 
+
+		/// <summary>
+		/// Gets a list of supported audio encoders.
+		/// </summary>
+		public static List<HBAudioEncoder> AudioEncoders
+		{
+			get
+			{
+				if (audioEncoders == null)
+				{
+					IntPtr encodersPtr = HBFunctions.hb_get_audio_encoders();
+					int encoderCount = HBFunctions.hb_get_audio_encoders_count();
+
+					audioEncoders = InteropUtilities.ConvertArray<hb_encoder_s>(encodersPtr, encoderCount)
+						.Select(Converters.NativeToAudioEncoder)
+						.ToList();
+				}
+
+				return audioEncoders;
+			}
+		}
+
+		/// <summary>
+		/// Gets a list of supported video encoders.
+		/// </summary>
+		public static List<HBVideoEncoder> VideoEncoders
+		{
+			get
+			{
+				if (videoEncoders == null)
+				{
+					IntPtr encodersPtr = HBFunctions.hb_get_video_encoders();
+					int encoderCount = HBFunctions.hb_get_video_encoders_count();
+
+					videoEncoders = InteropUtilities.ConvertArray<hb_encoder_s>(encodersPtr, encoderCount)
+						.Select(Converters.NativeToVideoEncoder)
+						.ToList();
+				}
+
+				return videoEncoders;
+			}
+		}
+
+		/// <summary>
+		/// Gets a list of supported mixdowns.
+		/// </summary>
+		public static List<HBMixdown> Mixdowns
+		{
+			get
+			{
+				if (mixdowns == null)
+				{
+					IntPtr mixdownsPtr = HBFunctions.hb_get_audio_mixdowns();
+					int mixdownsCount = HBFunctions.hb_get_audio_mixdowns_count();
+
+					mixdowns = InteropUtilities.ConvertArray<hb_mixdown_s>(mixdownsPtr, mixdownsCount)
+						.Select(Converters.NativeToMixdown)
+						.ToList();
+				}
+
+				return mixdowns;
+			}
+		}
+
+		/// <summary>
+		/// Gets a list of supported audio bitrates.
+		/// </summary>
+		public static List<int> AudioBitrates
+		{
+			get
+			{
+				if (audioBitrates == null)
+				{
+					IntPtr audioBitratesPtr = HBFunctions.hb_get_audio_bitrates();
+					int audioBitratesCount = HBFunctions.hb_get_audio_bitrates_count();
+
+					audioBitrates = InteropUtilities.ConvertArray<hb_rate_s>(audioBitratesPtr, audioBitratesCount)
+						.Select(b => b.rate)
+						.ToList();
+				}
+
+				return audioBitrates;
+			}
+		}
+
+		/// <summary>
+		/// Gets the audio encoder with the specified short name.
+		/// </summary>
+		/// <param name="shortName">The name of the audio encoder.</param>
+		/// <returns>The requested audio encoder.</returns>
+		public static HBAudioEncoder GetAudioEncoder(string shortName)
+		{
+			return AudioEncoders.SingleOrDefault(e => e.ShortName == shortName);
+		}
+
+		/// <summary>
+		/// Gets the mixdown with the specified short name.
+		/// </summary>
+		/// <param name="shortName">The name of the mixdown.</param>
+		/// <returns>The requested mixdown.</returns>
+		public static HBMixdown GetMixdown(string shortName)
+		{
+			return Mixdowns.SingleOrDefault(m => m.ShortName == shortName);
+		}
+
+		/// <summary>
+		/// Determines if the given encoder is compatible with the given track.
+		/// </summary>
+		/// <param name="track">The audio track to examine.</param>
+		/// <param name="encoder">The encoder to examine.</param>
+		/// <returns>True if the given encoder is comatible with the given audio track.</returns>
+		/// <remarks>Only works with passthrough encoders.</remarks>
+		public static bool AudioEncoderIsCompatible(AudioTrack track, HBAudioEncoder encoder)
+		{
+			return (track.CodecId & encoder.Id) > 0;
+		}
+
+		/// <summary>
+		/// Finds the highest possible mixdown for a given audio encoder.
+		/// </summary>
+		/// <param name="audioEncoder">The audio encoder in question.</param>
+		/// <returns>The highest possible mixdown for that audio encoder.</returns>
+		public static int GetMaxMixdownIndex(HBAudioEncoder audioEncoder)
+		{
+			// To find best case scenario, pass in highest number of channels and 6 channel discrete mixdown.
+			int maxMixdownId = HBFunctions.hb_get_best_mixdown((uint)audioEncoder.Id, NativeConstants.HB_INPUT_CH_LAYOUT_3F4R, NativeConstants.HB_AMIXDOWN_6CH);
+
+			for (int i = 0; i < Mixdowns.Count; i++)
+			{
+				if (Mixdowns[i].Id == maxMixdownId)
+				{
+					return i;
+				}
+			}
+
+			return -1;
+		} 
+
+		/// <summary>
+		/// Sanitizes a mixdown given the output codec and input channel layout.
+		/// </summary>
+		/// <param name="mixdown">The desired mixdown.</param>
+		/// <param name="encoder">The output encoder to be used.</param>
+		/// <param name="layout">The input channel layout.</param>
+		/// <returns>A sanitized mixdown value.</returns>
+		public static HBMixdown SanitizeMixdown(HBMixdown mixdown, HBAudioEncoder encoder, int layout)
+		{
+			int sanitizedMixdown = HBFunctions.hb_get_best_mixdown((uint)encoder.Id, layout, mixdown.Id);
+			return Mixdowns.Single(m => m.Id == sanitizedMixdown);
+		}
+
+		/// <summary>
+		/// Gets the default mixdown for the given audio encoder and channel layout.
+		/// </summary>
+		/// <param name="encoder">The output codec to be used.</param>
+		/// <param name="layout">The input channel layout.</param>
+		/// <returns>The default mixdown for the given codec and channel layout.</returns>
+		public static HBMixdown GetDefaultMixdown(HBAudioEncoder encoder, int layout)
+		{
+			int defaultMixdown = HBFunctions.hb_get_default_mixdown((uint)encoder.Id, layout);
+			return Mixdowns.Single(m => m.Id == defaultMixdown);
+		}
+
+		/// <summary>
+		/// Gets the bitrate limits for the given audio codec, sample rate and mixdown.
+		/// </summary>
+		/// <param name="encoder">The audio encoder used.</param>
+		/// <param name="sampleRate">The sample rate used (Hz).</param>
+		/// <param name="mixdown">The mixdown used.</param>
+		/// <returns>Limits on the audio bitrate for the given settings.</returns>
+		public static BitrateLimits GetBitrateLimits(HBAudioEncoder encoder, int sampleRate, HBMixdown mixdown)
+		{
+			int low = 0;
+			int high = 0;
+
+			HBFunctions.hb_get_audio_bitrate_limits((uint)encoder.Id, sampleRate, mixdown.Id, ref low, ref high);
+
+			return new BitrateLimits { Low = low, High = high };
+		}
+
+		/// <summary>
+		/// Sanitizes an audio bitrate given the output codec, sample rate and mixdown.
+		/// </summary>
+		/// <param name="audioBitrate">The desired audio bitrate.</param>
+		/// <param name="encoder">The output encoder to be used.</param>
+		/// <param name="sampleRate">The output sample rate to be used.</param>
+		/// <param name="mixdown">The mixdown to be used.</param>
+		/// <returns>A sanitized audio bitrate.</returns>
+		public static int SanitizeAudioBitrate(int audioBitrate, HBAudioEncoder encoder, int sampleRate, HBMixdown mixdown)
+		{
+			return HBFunctions.hb_get_best_audio_bitrate((uint)encoder.Id, audioBitrate, sampleRate, mixdown.Id);
+		}
+
+		/// <summary>
+		/// Gets the default audio bitrate for the given parameters.
+		/// </summary>
+		/// <param name="encoder">The encoder to use.</param>
+		/// <param name="sampleRate">The sample rate to use.</param>
+		/// <param name="mixdown">The mixdown to use.</param>
+		/// <returns>The default bitrate for these parameters.</returns>
+		public static int GetDefaultBitrate(HBAudioEncoder encoder, int sampleRate, HBMixdown mixdown)
+		{
+			return HBFunctions.hb_get_default_audio_bitrate((uint) encoder.Id, sampleRate, mixdown.Id);
+		}
+
+		/// <summary>
+		/// Gets limits on audio quality for a given encoder.
+		/// </summary>
+		/// <param name="encoderId">The audio encoder ID.</param>
+		/// <returns>Limits on the audio quality for the given encoder.</returns>
+		internal static RangeLimits GetAudioQualityLimits(int encoderId)
+		{
+			float low = 0, high = 0, granularity = 0;
+			int direction = 0;
+			HBFunctions.hb_get_audio_quality_limits((uint)encoderId, ref low, ref high, ref granularity, ref direction);
+
+			return new RangeLimits
+			{
+				Low = low,
+				High = high,
+				Granularity = granularity,
+				Ascending = direction == 0
+			};
+		}
+
+		/// <summary>
+		/// Gets limits on audio compression for a given encoder.
+		/// </summary>
+		/// <param name="encoderId">The audio encoder ID.</param>
+		/// <returns>Limits on the audio compression for the given encoder.</returns>
+		internal static RangeLimits GetAudioCompressionLimits(int encoderId)
+		{
+			float low = 0, high = 0, granularity = 0;
+			int direction = 0;
+			HBFunctions.hb_get_audio_compression_limits((uint)encoderId, ref low, ref high, ref granularity, ref direction);
+
+			return new RangeLimits
+			{
+				Low = low,
+				High = high,
+				Granularity = granularity,
+				Ascending = direction == 0
+			};
+		}
+	}
+}
diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/Anamorphic.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/Anamorphic.cs
index 2051c2b63..2d20c4376 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/Anamorphic.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/Anamorphic.cs
@@ -9,9 +9,9 @@
 

 namespace HandBrake.Interop.Model.Encoding

 {

-    using System.ComponentModel.DataAnnotations;

+	using System.ComponentModel.DataAnnotations;

 

-    public enum Anamorphic

+	public enum Anamorphic

 	{

 		[Display(Name = "None")]

 		None = 0,

diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/AudioEncodeRateType.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/AudioEncodeRateType.cs
new file mode 100644
index 000000000..ca162a47f
--- /dev/null
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/AudioEncodeRateType.cs
@@ -0,0 +1,19 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="AudioEncodeRateType.cs" company="HandBrake Project (http://handbrake.fr)">
+//   This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
+// </copyright>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace HandBrake.Interop.Model.Encoding
+{
+	using System;
+	using System.Collections.Generic;
+	using System.Linq;
+	using System.Text;
+
+	public enum AudioEncodeRateType
+	{
+		Bitrate,
+		Quality
+	}
+}
diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/AudioEncoder.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/AudioEncoder.cs
index b5ab3b4bc..492d51d9a 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/AudioEncoder.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/AudioEncoder.cs
@@ -2,9 +2,6 @@
 // <copyright file="AudioEncoder.cs" company="HandBrake Project (http://handbrake.fr)">

 //   This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.

 // </copyright>

-// <summary>

-//   Defines the AudioEncoder type.

-// </summary>

 // --------------------------------------------------------------------------------------------------------------------

 

 namespace HandBrake.Interop.Model.Encoding

diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/AudioEncoding.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/AudioEncoding.cs
index ea11d182e..c6ac28ea5 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/AudioEncoding.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/AudioEncoding.cs
@@ -17,6 +17,15 @@ namespace HandBrake.Interop.Model.Encoding
 	public class AudioEncoding

 	{

 		/// <summary>

+		/// Initializes a new instance of the AudioEncoding class.

+		/// </summary>

+		public AudioEncoding()

+		{

+			// Initialize to -1 to differentiate a compression of 0 from uninitialized.

+			this.Compression = -1;

+		}

+

+		/// <summary>

 		/// Gets or sets the chosen track to apply the encoding to.

 		/// </summary>

 		/// <remarks>1-based index. 0 means apply to all tracks.</remarks>

@@ -25,7 +34,12 @@ namespace HandBrake.Interop.Model.Encoding
 		/// <summary>

 		/// Gets or sets the encoder to use.

 		/// </summary>

-		public AudioEncoder Encoder { get; set; }

+		public string Encoder { get; set; }

+

+		/// <summary>

+		/// Gets or sets the encode rate type (bitrate or quality).

+		/// </summary>

+		public AudioEncodeRateType EncodeRateType { get; set; }

 

 		/// <summary>

 		/// Gets or sets the bitrate (in kbps) of this track.

@@ -33,9 +47,19 @@ namespace HandBrake.Interop.Model.Encoding
 		public int Bitrate { get; set; }

 

 		/// <summary>

+		/// Gets or sets the target audio quality for this track.

+		/// </summary>

+		public float Quality { get; set; }

+

+		/// <summary>

+		/// Gets or sets the target audio compression for this track.

+		/// </summary>

+		public float Compression { get; set; }

+

+		/// <summary>

 		/// Gets or sets the mixdown.

 		/// </summary>

-		public Mixdown Mixdown { get; set; }

+		public string Mixdown { get; set; }

 

 		/// <summary>

 		/// Gets or sets the sample rate. Obsolete. Use SampleRateRaw instead.

diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/Container.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/Container.cs
new file mode 100644
index 000000000..2a526170e
--- /dev/null
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/Container.cs
@@ -0,0 +1,22 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="Container.cs" company="HandBrake Project (http://handbrake.fr)">
+//   This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
+// </copyright>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace HandBrake.Interop.Model.Encoding
+{
+	using System;
+	using System.ComponentModel.DataAnnotations;
+
+	[Flags]
+	public enum Container
+	{
+		None = 0x0,
+
+		[Display(Name = "MP4")]
+		Mp4,
+		[Display(Name = "MKV")]
+		Mkv
+	}
+}
diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/EncodingProfile.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/EncodingProfile.cs
index d4f85ca81..25da728ef 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/EncodingProfile.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/EncodingProfile.cs
@@ -20,7 +20,7 @@ namespace HandBrake.Interop.Model.Encoding
 			this.Cropping = new Cropping();

 		}

 

-		public OutputFormat OutputFormat { get; set; }

+		public Container OutputFormat { get; set; }

 		public OutputExtension PreferredExtension { get; set; }

 		public bool IncludeChapterMarkers { get; set; }

 		public bool LargeFile { get; set; }

@@ -52,7 +52,7 @@ namespace HandBrake.Interop.Model.Encoding
 		public int Deblock { get; set; }

 		public bool Grayscale { get; set; }

 

-		public VideoEncoder VideoEncoder { get; set; }

+		public string VideoEncoder { get; set; }

 		public string X264Options { get; set; }

 		public string X264Profile { get; set; }

 		public string X264Preset { get; set; }

@@ -67,7 +67,7 @@ namespace HandBrake.Interop.Model.Encoding
 		public bool PeakFramerate { get; set; }

 

 		public List<AudioEncoding> AudioEncodings { get; set; }

-		public AudioEncoder AudioEncoderFallback { get; set; }

+		public string AudioEncoderFallback { get; set; }

 

 		public EncodingProfile Clone()

 		{

diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/HBAudioEncoder.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/HBAudioEncoder.cs
new file mode 100644
index 000000000..19645a70b
--- /dev/null
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/HBAudioEncoder.cs
@@ -0,0 +1,53 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="HBAudioEncoder.cs" company="HandBrake Project (http://handbrake.fr)">
+//   This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
+// </copyright>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace HandBrake.Interop.Model.Encoding
+{
+	using HandBrake.Interop.HbLib;
+
+	public class HBAudioEncoder
+	{
+		public string ShortName { get; set; }
+
+		public string DisplayName { get; set; }
+
+		public int Id { get; set; }
+
+		public Container CompatibleContainers { get; set; }
+
+		public bool SupportsQuality
+		{
+			get
+			{
+				return this.QualityLimits.High >= 0;
+			}
+		}
+
+		public RangeLimits QualityLimits { get; set; }
+
+		public float DefaultQuality { get; set; }
+
+		public bool SupportsCompression
+		{
+			get
+			{
+				return this.CompressionLimits.High >= 0;
+			}
+		}
+
+		public RangeLimits CompressionLimits { get; set; }
+
+		public float DefaultCompression { get; set; }
+
+		public bool IsPassthrough
+		{
+			get
+			{
+				return (this.Id & NativeConstants.HB_ACODEC_PASS_FLAG) > 0;
+			}
+		}
+	}
+}
diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/HBMixdown.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/HBMixdown.cs
new file mode 100644
index 000000000..493beb9fa
--- /dev/null
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/HBMixdown.cs
@@ -0,0 +1,22 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="HBMixdown.cs" company="HandBrake Project (http://handbrake.fr)">
+//   This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
+// </copyright>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace HandBrake.Interop.Model.Encoding
+{
+	using System;
+	using System.Collections.Generic;
+	using System.Linq;
+	using System.Text;
+
+	public class HBMixdown
+	{
+		public string ShortName { get; set; }
+
+		public string DisplayName { get; set; }
+
+		public int Id { get; set; }
+	}
+}
diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/HBVideoEncoder.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/HBVideoEncoder.cs
new file mode 100644
index 000000000..9e04252aa
--- /dev/null
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/HBVideoEncoder.cs
@@ -0,0 +1,19 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="HBVideoEncoder.cs" company="HandBrake Project (http://handbrake.fr)">
+//   This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
+// </copyright>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace HandBrake.Interop.Model.Encoding
+{
+	public class HBVideoEncoder
+	{
+		public string ShortName { get; set; }
+
+		public string DisplayName { get; set; }
+
+		public int Id { get; set; }
+
+		public Container CompatibleContainers { get; set; }
+	}
+}
diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/VideoEncoder.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/VideoEncoder.cs
index 1e7b8005c..31cc3d599 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/VideoEncoder.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/Encoding/VideoEncoder.cs
@@ -2,16 +2,13 @@
 // <copyright file="VideoEncoder.cs" company="HandBrake Project (http://handbrake.fr)">

 //   This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.

 // </copyright>

-// <summary>

-//   Defines the VideoEncoder type.

-// </summary>

 // --------------------------------------------------------------------------------------------------------------------

 

 namespace HandBrake.Interop.Model.Encoding

 {

-    using System.ComponentModel.DataAnnotations;

+	using System.ComponentModel.DataAnnotations;

 

-    public enum VideoEncoder

+	public enum VideoEncoder

 	{

 		[Display(Name = "H.264 (x264)")]

 		X264 = 0,

@@ -19,8 +16,8 @@ namespace HandBrake.Interop.Model.Encoding
 		[Display(Name = "MPEG-4 (FFmpeg)")]

 		FFMpeg,

 

-        [Display(Name = "MPEG-2 (FFmpeg)")]

-        FFMpeg2,

+		[Display(Name = "MPEG-2 (FFmpeg)")]

+		FFMpeg2,

 

 		[Display(Name = "VP3 (Theora)")]

 		Theora

diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Model/RangeLimits.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/RangeLimits.cs
new file mode 100644
index 000000000..6055e8eed
--- /dev/null
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Model/RangeLimits.cs
@@ -0,0 +1,16 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="RangeLimits.cs" company="HandBrake Project (http://handbrake.fr)">
+//   This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
+// </copyright>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace HandBrake.Interop.Model
+{
+	public class RangeLimits
+	{
+		public float Low { get; set; }
+		public float High { get; set; }
+		public float Granularity { get; set; }
+		public bool Ascending { get; set; }
+	}
+}
diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Properties/AssemblyInfo.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/Properties/AssemblyInfo.cs
index 8e87db998..b9f0c721c 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/Properties/AssemblyInfo.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Properties/AssemblyInfo.cs
@@ -29,8 +29,8 @@ using System.Runtime.InteropServices;
 //      Build Number

 //      Revision

 //

-// You can specify all the values or you can default the Build and Revision Numbers 

-// by using the '*' as shown below:

-// [assembly: AssemblyVersion("1.0.*")]

-[assembly: AssemblyVersion("1.22.0.0")]

-[assembly: AssemblyFileVersion("1.22.0.0")]

+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.23.0.0")]
+[assembly: AssemblyFileVersion("1.23.0.0")]
diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Settings.StyleCop b/win/CS/HandBrake.Interop/HandBrakeInterop/Settings.StyleCop
index b34002f52..39d8ff868 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/Settings.StyleCop
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Settings.StyleCop
@@ -1,39 +1,14 @@
-<StyleCopSettings Version="105">

-  <Analyzers>

-    <Analyzer AnalyzerId="StyleCop.CSharp.SpacingRules">

-      <Rules>

-        <Rule Name="TabsMustNotBeUsed">

-          <RuleSettings>

+<StyleCopSettings Version="4.3">
+  <Analyzers>
+    <Analyzer AnalyzerId="Microsoft.StyleCop.CSharp.SpacingRules">
+      <Rules>
+        <Rule Name="TabsMustNotBeUsed">
+          <RuleSettings>
             <BooleanProperty Name="Enabled">False</BooleanProperty>

           </RuleSettings>

         </Rule>

-      </Rules>

-      <AnalyzerSettings />

-    </Analyzer>

-    <Analyzer AnalyzerId="StyleCop.CSharp.DocumentationRules">

-      <Rules>

-        <Rule Name="FileMustHaveHeader">

-          <RuleSettings>

-            <BooleanProperty Name="Enabled">True</BooleanProperty>

-          </RuleSettings>

-        </Rule>

-        <Rule Name="FileHeaderMustShowCopyright">

-          <RuleSettings>

-            <BooleanProperty Name="Enabled">True</BooleanProperty>

-          </RuleSettings>

-        </Rule>

-        <Rule Name="FileHeaderMustHaveCopyrightText">

-          <RuleSettings>

-            <BooleanProperty Name="Enabled">True</BooleanProperty>

-          </RuleSettings>

-        </Rule>

-        <Rule Name="FileHeaderMustContainFileName">

-          <RuleSettings>

-            <BooleanProperty Name="Enabled">True</BooleanProperty>

-          </RuleSettings>

-        </Rule>

-      </Rules>

-      <AnalyzerSettings />

-    </Analyzer>

-  </Analyzers>

-</StyleCopSettings>
\ No newline at end of file
+      </Rules>
+      <AnalyzerSettings />
+    </Analyzer>
+  </Analyzers>
+</StyleCopSettings>
diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/SourceData/AudioTrack.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/SourceData/AudioTrack.cs
index 38d9b344a..bd7ca3ef2 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/SourceData/AudioTrack.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/SourceData/AudioTrack.cs
@@ -25,6 +25,11 @@ namespace HandBrake.Interop.SourceData
 		public AudioCodec Codec { get; set; }

 

 		/// <summary>

+		/// Gets or sets the audio codec ID for this track.

+		/// </summary>

+		public uint CodecId { get; set; }

+

+		/// <summary>

 		/// Gets or sets the language (if detected) of this Audio Track

 		/// </summary>

 		public string Language { get; set; }