New mp3 options and improved encoding performance

Source/AaxDecrypter/AaxDecrypter.csproj

@@ -13,7 +13,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-	  <PackageReference Include="AAXClean.Codecs" Version="0.5.16" />
+	  <PackageReference Include="AAXClean.Codecs" Version="1.0.0" />
 	</ItemGroup>
 
 	<ItemGroup>

Source/AaxDecrypter/AaxcDownloadConvertBase.cs

@@ -40,8 +40,14 @@ namespace AaxDecrypter
 				AaxFile.AppleTags.Album = AaxFile.AppleTags.Album?.Replace(" (Unabridged)", "");
 			}
 
-			if (DownloadOptions.FixupFile && !string.IsNullOrWhiteSpace(AaxFile.AppleTags.Narrator))
+			if (DownloadOptions.FixupFile)
-				AaxFile.AppleTags.AppleListBox.EditOrAddTag("TCOM", AaxFile.AppleTags.Narrator);
+			{
+				if (!string.IsNullOrWhiteSpace(AaxFile.AppleTags.Narrator))
+					AaxFile.AppleTags.AppleListBox.EditOrAddTag("TCOM", AaxFile.AppleTags.Narrator);
+
+				if (!string.IsNullOrWhiteSpace(AaxFile.AppleTags.Copyright))
+					AaxFile.AppleTags.Copyright = AaxFile.AppleTags.Copyright.Replace("(P)", "℗").Replace("©", "©");
+			}
 
 			//Finishing configuring lame encoder.
 			if (DownloadOptions.OutputFormat == OutputFormat.Mp3)

Source/AaxDecrypter/AaxcDownloadMultiConverter.cs

@@ -93,15 +93,13 @@ That naming may not be desirable for everyone, but it's an easy change to instea
 				? AaxFile.ConvertToMultiMp4aAsync
 				(
 					splitChapters,
-					newSplitCallback => newSplit(++chapterCount, splitChapters, newSplitCallback),
+					newSplitCallback => newSplit(++chapterCount, splitChapters, newSplitCallback)
-					DownloadOptions.TrimOutputToChapterLength
 				)
 				: AaxFile.ConvertToMultiMp3Async
 				(
 					splitChapters,
 					newSplitCallback => newSplit(++chapterCount, splitChapters, newSplitCallback),
-					DownloadOptions.LameConfig,
+					DownloadOptions.LameConfig
-					DownloadOptions.TrimOutputToChapterLength
 				);
 
 			void newSplit(int currentChapter, ChapterInfo splitChapters, NewSplitCallback newSplitCallback)

Source/AaxDecrypter/AaxcDownloadSingleConverter.cs

@@ -3,6 +3,7 @@ using AAXClean.Codecs;
 using Dinah.Core.Net.Http;
 using FileManager;
 using System;
+using System.Diagnostics;
 using System.IO;
 using System.Threading.Tasks;
 
@@ -14,12 +15,15 @@ namespace AaxDecrypter
 		public AaxcDownloadSingleConverter(string outFileName, string cacheDirectory, IDownloadOptions dlOptions)
 			: base(outFileName, cacheDirectory, dlOptions)
 		{
+			var step = 1;
 
 			AsyncSteps.Name = $"Download and Convert Aaxc To {DownloadOptions.OutputFormat}";
-			AsyncSteps["Step 1: Get Aaxc Metadata"] = () => Task.Run(Step_GetMetadata);
+			AsyncSteps[$"Step {step++}: Get Aaxc Metadata"] = () => Task.Run(Step_GetMetadata);
-			AsyncSteps["Step 2: Download Decrypted Audiobook"] = Step_DownloadAndDecryptAudiobookAsync;
+			AsyncSteps[$"Step {step++}: Download Decrypted Audiobook"] = Step_DownloadAndDecryptAudiobookAsync;
-			AsyncSteps["Step 3: Download Clips and Bookmarks"] = Step_DownloadClipsBookmarksAsync;
+			if (DownloadOptions.MoveMoovToBeginning && DownloadOptions.OutputFormat is OutputFormat.M4b)
-			AsyncSteps["Step 4: Create Cue"] = Step_CreateCueAsync;
+				AsyncSteps[$"Step {step++}: Move moov atom to beginning"] = Step_MoveMoov;
+			AsyncSteps[$"Step {step++}: Download Clips and Bookmarks"] = Step_DownloadClipsBookmarksAsync;
+			AsyncSteps[$"Step {step++}: Create Cue"] = Step_CreateCueAsync;
 		}
 
 		protected async override Task<bool> Step_DownloadAndDecryptAudiobookAsync()
@@ -33,17 +37,6 @@ namespace AaxDecrypter
 			{
 				await (AaxConversion = decryptAsync(outputFile));				
 
-				if (AaxConversion.IsCompletedSuccessfully
-					&& DownloadOptions.MoveMoovToBeginning
-					&& DownloadOptions.OutputFormat is OutputFormat.M4b)
-				{
-					outputFile.Close();
-					AaxConversion = Mp4File.RelocateMoovAsync(OutputFileName);
-					AaxConversion.ConversionProgressUpdate += AaxConversion_MoovProgressUpdate;
-					await AaxConversion;
-					AaxConversion.ConversionProgressUpdate -= AaxConversion_MoovProgressUpdate;
-				}
-
 				return AaxConversion.IsCompletedSuccessfully;
 			}
 			finally
@@ -52,23 +45,30 @@ namespace AaxDecrypter
 			}
 		}
 
+		private async Task<bool> Step_MoveMoov()
+		{
+			AaxConversion = Mp4File.RelocateMoovAsync(OutputFileName);
+			AaxConversion.ConversionProgressUpdate += AaxConversion_MoovProgressUpdate;
+			await AaxConversion;
+			AaxConversion.ConversionProgressUpdate -= AaxConversion_MoovProgressUpdate;
+			return AaxConversion.IsCompletedSuccessfully;
+		}
+
 		private void AaxConversion_MoovProgressUpdate(object sender, ConversionProgressEventArgs e)
 		{
 			averageSpeed.AddPosition(e.ProcessPosition.TotalSeconds);
 
-			var remainingTimeToProcess = (e.TotalDuration - e.ProcessPosition).TotalSeconds;
+			var remainingTimeToProcess = (e.EndTime - e.ProcessPosition).TotalSeconds;
 			var estTimeRemaining = remainingTimeToProcess / averageSpeed.Average;
 
 			if (double.IsNormal(estTimeRemaining))
 				OnDecryptTimeRemaining(TimeSpan.FromSeconds(estTimeRemaining));
 
-			var progressPercent = 100d * (1 - remainingTimeToProcess / e.TotalDuration.TotalSeconds);
-
 			OnDecryptProgressUpdate(
 				new DownloadProgress
 				{
-					ProgressPercentage = progressPercent,
+					ProgressPercentage = 100 * e.FractionCompleted,
-					BytesReceived = (long)(InputFileStream.Length * progressPercent),
+					BytesReceived = (long)(InputFileStream.Length * e.FractionCompleted),
 					TotalBytesToReceive = InputFileStream.Length
 				});
 		}
@@ -79,15 +79,13 @@ namespace AaxDecrypter
 			(
 				outputFile,
 				DownloadOptions.LameConfig,
-				DownloadOptions.ChapterInfo,
+				DownloadOptions.ChapterInfo
-				DownloadOptions.TrimOutputToChapterLength
 			)
 			: DownloadOptions.FixupFile
 			? AaxFile.ConvertToMp4aAsync
 			(
 				outputFile,
-				DownloadOptions.ChapterInfo,
+				DownloadOptions.ChapterInfo
-				DownloadOptions.TrimOutputToChapterLength
 			)
 			: AaxFile.ConvertToMp4aAsync(outputFile);
 	}

Source/AaxDecrypter/AudiobookDownloadBase.cs

@@ -27,6 +27,7 @@ namespace AaxDecrypter
 		protected IDownloadOptions DownloadOptions { get; }
 		protected NetworkFileStream InputFileStream => nfsPersister.NetworkFileStream;
 		protected virtual long InputFilePosition => InputFileStream.Position;
+		private bool downloadFinished;
 
 		private readonly NetworkFileStreamPersister nfsPersister;
 		private readonly DownloadProgress zeroProgress;
@@ -84,7 +85,11 @@ namespace AaxDecrypter
 			{
 				AverageSpeed averageSpeed = new();
 
-				while (InputFileStream.CanRead && InputFileStream.Length > InputFilePosition && !InputFileStream.IsCancelled)
+				while (
+					InputFileStream.CanRead
+					&& InputFileStream.Length > InputFilePosition
+					&& !InputFileStream.IsCancelled
+					&& !downloadFinished)
 				{
 					averageSpeed.AddPosition(InputFilePosition);
 
@@ -138,8 +143,7 @@ namespace AaxDecrypter
 		protected virtual void FinalizeDownload()
 		{
 			nfsPersister?.Dispose();
-			OnDecryptTimeRemaining(TimeSpan.Zero);
+			downloadFinished = true;
-			OnDecryptProgressUpdate(zeroProgress);
 		}
 
 		protected async Task<bool> Step_DownloadClipsBookmarksAsync()

Source/AaxDecrypter/MpegUtil.cs

@@ -1,5 +1,6 @@
 using AAXClean;
 using NAudio.Lame;
+using System;
 
 namespace AaxDecrypter
 {
@@ -9,17 +10,26 @@ namespace AaxDecrypter
 		{
 			double bitrateMultiple = 1;
 
+			if (mp4File.TimeScale < lameConfig.OutputSampleRate)
+			{
+				lameConfig.OutputSampleRate = mp4File.TimeScale;
+			}
+			else if (mp4File.TimeScale > lameConfig.OutputSampleRate)
+			{
+				bitrateMultiple *= (double)lameConfig.OutputSampleRate / mp4File.TimeScale;
+			}
+
 			if (mp4File.AudioChannels == 2)
 			{
 				if (downsample)
-					bitrateMultiple = 0.5;
+					bitrateMultiple /= 2;
 				else
 					lameConfig.Mode = MPEGMode.Stereo;
 			}
 
 			if (matchSourceBitrate)
 			{
-				int kbps = (int)(mp4File.AverageBitrate * bitrateMultiple / 1024);
+				int kbps = (int)Math.Round(mp4File.AverageBitrate * bitrateMultiple / 1024);
 
 				if (lameConfig.VBR is null)
 					lameConfig.BitRate = kbps;

Source/AaxDecrypter/NetworkFileStream.cs

@@ -14,6 +14,7 @@ namespace AaxDecrypter
 	public class NetworkFileStream : Stream, IUpdatable
 	{
 		public event EventHandler Updated;
+		public event EventHandler DownloadCompleted;
 
 		#region Public Properties
 
@@ -139,7 +140,10 @@ namespace AaxDecrypter
 		public async Task BeginDownloadingAsync()
 		{
 			if (ContentLength != 0 && WritePosition == ContentLength)
+			{
+				_backgroundDownloadTask = Task.CompletedTask;
 				return;
+			}
 
 			if (ContentLength != 0 && WritePosition > ContentLength)
 				throw new WebException($"Specified write position (0x{WritePosition:X10}) is larger than  {nameof(ContentLength)} (0x{ContentLength:X10}).");
@@ -230,6 +234,7 @@ namespace AaxDecrypter
 				_writeFile.Close();
 				_downloadedPiece.Set();
 				OnUpdate();
+				DownloadCompleted?.Invoke(this, null);
 			}
 		}
 

Source/AaxDecrypter/UnencryptedAudiobookDownloader.cs

@@ -26,8 +26,11 @@ namespace AaxDecrypter
 
 		protected override async Task<bool> Step_DownloadAndDecryptAudiobookAsync()
 		{
-			while (InputFilePosition < InputFileStream.Length && !InputFileStream.IsCancelled)
+			TaskCompletionSource completionSource = new();
-				await Task.Delay(200);
+
+			InputFileStream.DownloadCompleted += (_, _) => completionSource.SetResult();
+
+			await completionSource.Task;
 
 			if (IsCanceled)
 				return false;

Source/FileLiberator/AudioDecodable.cs

@@ -17,10 +17,14 @@ namespace FileLiberator
 
         protected LameConfig GetLameOptions(Configuration config)
         {
-            LameConfig lameConfig = new();
+			LameConfig lameConfig = new()
-            lameConfig.Mode = MPEGMode.Mono;
+			{
+				Mode = MPEGMode.Mono,
+				Quality = config.LameEncoderQuality,
+                OutputSampleRate = (int)config.MaxSampleRate
+			};
 
-            if (config.LameTargetBitrate)
+			if (config.LameTargetBitrate)
             {
                 if (config.LameConstantBitrate)
                     lameConfig.BitRate = config.LameBitrate;

Source/FileLiberator/ConvertToMp3.cs

@@ -103,20 +103,20 @@ namespace FileLiberator
 		{
 			averageSpeed.AddPosition(e.ProcessPosition.TotalSeconds);
 
-			var remainingTimeToProcess = (e.TotalDuration - e.ProcessPosition).TotalSeconds;
+			var remainingTimeToProcess = (e.EndTime - e.ProcessPosition).TotalSeconds;
 			var estTimeRemaining = remainingTimeToProcess / averageSpeed.Average;
 
 			if (double.IsNormal(estTimeRemaining))
 				OnStreamingTimeRemaining(TimeSpan.FromSeconds(estTimeRemaining));
 
-			double progressPercent = 100 * e.ProcessPosition.TotalSeconds / e.TotalDuration.TotalSeconds;
+			double progressPercent = 100 * e.FractionCompleted;
 
 			OnStreamingProgressChanged(
 				new DownloadProgress
 				{
 					ProgressPercentage = progressPercent,
-					BytesReceived = (long)e.ProcessPosition.TotalSeconds,
+					BytesReceived = (long)(e.ProcessPosition - e.StartTime).TotalSeconds,
-					TotalBytesToReceive = (long)e.TotalDuration.TotalSeconds
+					TotalBytesToReceive = (long)(e.EndTime - e.StartTime).TotalSeconds
 				});
 		}
 	}

Source/FileLiberator/DownloadOptions.cs

@@ -22,7 +22,7 @@ namespace FileLiberator
 		public OutputFormat OutputFormat { get; init; }
 		public ChapterInfo ChapterInfo { get; init; }
 		public NAudio.Lame.LameConfig LameConfig { get; init; }
-		public string UserAgent => AudibleApi.Resources.User_Agent;
+		public string UserAgent => AudibleApi.Resources.Download_User_Agent;
 		public bool TrimOutputToChapterLength => config.AllowLibationFixup && config.StripAudibleBrandAudio;
 		public bool StripUnabridged => config.AllowLibationFixup && config.StripUnabridged;
 		public bool CreateCueSheet => config.CreateCueSheet;

Source/LibationAvalonia/Dialogs/SettingsDialog.axaml

@@ -2,8 +2,8 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        mc:Ignorable="d" d:DesignWidth="850" d:DesignHeight="620"
+        mc:Ignorable="d" d:DesignWidth="900" d:DesignHeight="700"
-		MinWidth="800" MinHeight="620"
+		MinWidth="900" MinHeight="700"
         x:Class="LibationAvalonia.Dialogs.SettingsDialog"
         xmlns:controls="clr-namespace:LibationAvalonia.Controls"
         Title="Edit Settings"
@@ -603,6 +603,25 @@
 										</CheckBox>
 									</Grid>
 
+									<Grid Margin="5,5,5,0" RowDefinitions="Auto,Auto" ColumnDefinitions="Auto,*,Auto">
+
+										<TextBlock Margin="0,0,0,5" Text="Max audio sample rate:" />
+										<controls:WheelComboBox
+											Grid.Row="1"
+											HorizontalAlignment="Stretch"
+											Items="{Binding AudioSettings.SampleRates}"
+											SelectedItem="{Binding AudioSettings.SelectedSampleRate, Mode=TwoWay}"/>
+										
+										<TextBlock Margin="0,0,0,5" Grid.Column="2" Text="Encoder Quality:" />
+										
+										<controls:WheelComboBox
+											Grid.Column="2"
+											Grid.Row="1"
+											HorizontalAlignment="Stretch"
+											Items="{Binding AudioSettings.EncoderQualities}"
+											SelectedItem="{Binding AudioSettings.SelectedEncoderQuality, Mode=TwoWay}"/>
+									</Grid>
+
 									<controls:GroupBox
 										Margin="5,5,5,0"
 										BorderWidth="1"

Source/LibationAvalonia/Dialogs/SettingsDialog.axaml.cs

@@ -11,6 +11,7 @@ using System.Linq;
 using FileManager;
 using System.IO;
 using Avalonia.Collections;
+using LibationUiBase;
 
 namespace LibationAvalonia.Dialogs
 {
@@ -372,6 +373,31 @@ namespace LibationAvalonia.Dialogs
 		private int _lameBitrate;
 		private int _lameVBRQuality;
 		private string _chapterTitleTemplate;
+		public SampleRateSelection SelectedSampleRate { get; set; }
+		public NAudio.Lame.EncoderQuality SelectedEncoderQuality { get; set; }
+
+		public AvaloniaList<SampleRateSelection> SampleRates { get; }
+			= new(
+				new []
+				{
+					AAXClean.SampleRate.Hz_44100,
+					AAXClean.SampleRate.Hz_32000,
+					AAXClean.SampleRate.Hz_24000,
+					AAXClean.SampleRate.Hz_22050,
+					AAXClean.SampleRate.Hz_16000,
+					AAXClean.SampleRate.Hz_12000,
+				}
+				.Select(s => new SampleRateSelection(s)));
+
+		public AvaloniaList<NAudio.Lame.EncoderQuality> EncoderQualities { get; }
+		= new(
+			new[]
+			{
+				NAudio.Lame.EncoderQuality.High,
+				NAudio.Lame.EncoderQuality.Standard,
+				NAudio.Lame.EncoderQuality.Fast,
+			});
+
 
 		public AudioSettings(Configuration config)
 		{
@@ -398,6 +424,9 @@ namespace LibationAvalonia.Dialogs
 			LameMatchSource = config.LameMatchSourceBR;
 			LameBitrate = config.LameBitrate;
 			LameVBRQuality = config.LameVBRQuality;
+
+			SelectedSampleRate = SampleRates.FirstOrDefault(s => s.SampleRate == config.MaxSampleRate);
+			SelectedEncoderQuality = config.LameEncoderQuality;
 		}
 
 		public Task<bool> SaveSettingsAsync(Configuration config)
@@ -422,6 +451,9 @@ namespace LibationAvalonia.Dialogs
 			config.LameBitrate = LameBitrate;
 			config.LameVBRQuality = LameVBRQuality;
 
+			config.LameEncoderQuality = SelectedEncoderQuality;
+			config.MaxSampleRate = SelectedSampleRate?.SampleRate ?? config.MaxSampleRate;
+
 			return Task.FromResult(true);
 		}
 

Source/LibationAvalonia/Views/MainWindow.ProcessQueue.cs

@@ -47,6 +47,23 @@ namespace LibationAvalonia.Views
 				Serilog.Log.Logger.Error(ex, "An error occurred while handling the stop light button click for {libraryBook}", libraryBook);
 			}
 		}
+
+		public void ProductsDisplay_ConvertToMp3Clicked(object sender, LibraryBook libraryBook)
+		{
+			try
+			{
+				if (libraryBook.Book.UserDefinedItem.BookStatus is LiberatedStatus.Liberated)
+				{
+					Serilog.Log.Logger.Information("Begin single pdf backup of {libraryBook}", libraryBook);
+					SetQueueCollapseState(false);
+					_viewModel.ProcessQueue.AddConvertMp3(libraryBook);
+				}
+			}
+			catch (Exception ex)
+			{
+				Serilog.Log.Logger.Error(ex, "An error occurred while handling the stop light button click for {libraryBook}", libraryBook);
+			}
+		}
 		private void SetQueueCollapseState(bool collapsed)
 		{
 			_viewModel.QueueOpen = !collapsed;

Source/LibationAvalonia/Views/MainWindow.axaml

@@ -188,7 +188,8 @@
 					<views:ProductsDisplay
 						Name="productsDisplay"
 						DataContext="{Binding ProductsDisplay}"						
-						LiberateClicked="ProductsDisplay_LiberateClicked"/>				
+						LiberateClicked="ProductsDisplay_LiberateClicked"
+						ConvertToMp3Clicked="ProductsDisplay_ConvertToMp3Clicked" />				
 				</SplitView>
 			</Border>
 

Source/LibationAvalonia/Views/ProductsDisplay.axaml.cs

@@ -19,6 +19,7 @@ namespace LibationAvalonia.Views
 	public partial class ProductsDisplay : UserControl
 	{
 		public event EventHandler<LibraryBook> LiberateClicked;
+		public event EventHandler<LibraryBook> ConvertToMp3Clicked;
 
 		private ProductsDisplayViewModel _viewModel => DataContext as ProductsDisplayViewModel;
 		ImageDisplayDialog imageDisplayDialog;
@@ -131,6 +132,12 @@ namespace LibationAvalonia.Views
                         await MessageBox.ShowAdminAlert(null, msg, msg, ex);
                     }
                 };
+				var convertToMp3MenuItem = new MenuItem
+				{
+					Header = "_Convert to Mp3",
+					IsEnabled = entry.Book.UserDefinedItem.BookStatus != LiberatedStatus.NotLiberated
+				};
+				convertToMp3MenuItem.Click += (_, _) => ConvertToMp3Clicked?.Invoke(this, entry.LibraryBook);
 
 				var bookRecordMenuItem = new MenuItem { Header = "View _Bookmarks/Clips" };
 				bookRecordMenuItem.Click += async (_, _) => await new BookRecordsDialog(entry.LibraryBook).ShowDialog(VisualRoot as Window);
@@ -141,6 +148,7 @@ namespace LibationAvalonia.Views
 					setNotDownloadMenuItem,
 					removeMenuItem,
 					locateFileMenuItem,
+					convertToMp3MenuItem,
 					new Separator(),
 					bookRecordMenuItem
 				});

Source/LibationFileManager/Configuration.PersistentSettings.cs

@@ -121,6 +121,12 @@ namespace LibationFileManager
 		[Description("Lame encoder target. true = Bitrate, false = Quality")]
 		public bool LameTargetBitrate { get => GetNonString(defaultValue: false); set => SetNonString(value); }
 
+		[Description("Maximum audio sample rate")]
+		public AAXClean.SampleRate MaxSampleRate { get => GetNonString(defaultValue: AAXClean.SampleRate.Hz_44100); set => SetNonString(value); }
+
+		[Description("Lame encoder quality")]
+		public NAudio.Lame.EncoderQuality LameEncoderQuality { get => GetNonString(defaultValue: NAudio.Lame.EncoderQuality.High); set => SetNonString(value); }
+
 		[Description("Lame encoder downsamples to mono")]
 		public bool LameDownsampleMono {  get => GetNonString(defaultValue: true); set => SetNonString(value); }
 

Source/LibationUiBase/SampleRateSelection.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LibationUiBase
+{
+	public class SampleRateSelection
+	{
+		public AAXClean.SampleRate SampleRate { get; }
+		public SampleRateSelection(AAXClean.SampleRate sampleRate)
+		{
+			SampleRate = sampleRate;
+		}
+		public override string ToString() => $"{(int)SampleRate} Hz";
+	}
+}

Source/LibationWinForms/Dialogs/SettingsDialog.AudioSettings.cs

@@ -1,6 +1,7 @@
 using System;
 using LibationFileManager;
 using System.Linq;
+using LibationUiBase;
 
 namespace LibationWinForms.Dialogs
 {
@@ -26,6 +27,25 @@ namespace LibationWinForms.Dialogs
 					Configuration.ClipBookmarkFormat.Json
 				});
 
+			maxSampleRateCb.Items.AddRange(
+				new object[]
+				{
+					new SampleRateSelection(AAXClean.SampleRate.Hz_44100),
+					new SampleRateSelection(AAXClean.SampleRate.Hz_32000),
+					new SampleRateSelection(AAXClean.SampleRate.Hz_24000),
+					new SampleRateSelection(AAXClean.SampleRate.Hz_22050),
+					new SampleRateSelection(AAXClean.SampleRate.Hz_16000),
+					new SampleRateSelection(AAXClean.SampleRate.Hz_12000)
+				});
+
+			encoderQualityCb.Items.AddRange(
+				new object[]
+				{
+					NAudio.Lame.EncoderQuality.High,
+					NAudio.Lame.EncoderQuality.Standard,
+					NAudio.Lame.EncoderQuality.Fast,
+				});
+
 			allowLibationFixupCbox.Checked = config.AllowLibationFixup;
 			createCueSheetCbox.Checked = config.CreateCueSheet;
 			downloadCoverArtCbox.Checked = config.DownloadCoverArt;
@@ -42,6 +62,8 @@ namespace LibationWinForms.Dialogs
 
 			lameTargetBitrateRb.Checked = config.LameTargetBitrate;
 			lameTargetQualityRb.Checked = !config.LameTargetBitrate;
+			maxSampleRateCb.SelectedItem = maxSampleRateCb.Items.Cast<SampleRateSelection>().Single(s => s.SampleRate == config.MaxSampleRate);
+			encoderQualityCb.SelectedItem = config.LameEncoderQuality;
 			lameDownsampleMonoCbox.Checked = config.LameDownsampleMono;
 			lameBitrateTb.Value = config.LameBitrate;
 			lameConstantBitrateCbox.Checked = config.LameConstantBitrate;
@@ -75,6 +97,9 @@ namespace LibationWinForms.Dialogs
 			config.MoveMoovToBeginning = moveMoovAtomCbox.Checked;
 
 			config.LameTargetBitrate = lameTargetBitrateRb.Checked;
+			config.MaxSampleRate = ((SampleRateSelection)maxSampleRateCb.SelectedItem).SampleRate;
+			config.LameEncoderQuality = (NAudio.Lame.EncoderQuality)encoderQualityCb.SelectedItem;
+			encoderQualityCb.SelectedItem = config.LameEncoderQuality;
 			config.LameDownsampleMono = lameDownsampleMonoCbox.Checked;
 			config.LameBitrate = lameBitrateTb.Value;
 			config.LameConstantBitrate = lameConstantBitrateCbox.Checked;

Source/LibationWinForms/Dialogs/SettingsDialog.Designer.cs

@@ -115,6 +115,10 @@
 			this.retainAaxFileCbox = new System.Windows.Forms.CheckBox();
 			this.downloadCoverArtCbox = new System.Windows.Forms.CheckBox();
 			this.createCueSheetCbox = new System.Windows.Forms.CheckBox();
+			this.maxSampleRateCb = new System.Windows.Forms.ComboBox();
+			this.encoderQualityCb = new System.Windows.Forms.ComboBox();
+			this.label20 = new System.Windows.Forms.Label();
+			this.label21 = new System.Windows.Forms.Label();
 			this.badBookGb.SuspendLayout();
 			this.tabControl.SuspendLayout();
 			this.tab1ImportantSettings.SuspendLayout();
@@ -743,6 +747,10 @@
 			// 
 			// lameOptionsGb
 			// 
+			this.lameOptionsGb.Controls.Add(this.label20);
+			this.lameOptionsGb.Controls.Add(this.label21);
+			this.lameOptionsGb.Controls.Add(this.encoderQualityCb);
+			this.lameOptionsGb.Controls.Add(this.maxSampleRateCb);
 			this.lameOptionsGb.Controls.Add(this.lameDownsampleMonoCbox);
 			this.lameOptionsGb.Controls.Add(this.lameBitrateGb);
 			this.lameOptionsGb.Controls.Add(this.label1);
@@ -757,8 +765,7 @@
 			// 
 			// lameDownsampleMonoCbox
 			// 
-			this.lameDownsampleMonoCbox.AutoSize = true;
+			this.lameDownsampleMonoCbox.Location = new System.Drawing.Point(237, 30);
-			this.lameDownsampleMonoCbox.Location = new System.Drawing.Point(234, 35);
 			this.lameDownsampleMonoCbox.Name = "lameDownsampleMonoCbox";
 			this.lameDownsampleMonoCbox.Size = new System.Drawing.Size(184, 34);
 			this.lameDownsampleMonoCbox.TabIndex = 1;
@@ -776,9 +783,9 @@
 			this.lameBitrateGb.Controls.Add(this.label11);
 			this.lameBitrateGb.Controls.Add(this.label3);
 			this.lameBitrateGb.Controls.Add(this.lameBitrateTb);
-			this.lameBitrateGb.Location = new System.Drawing.Point(6, 84);
+			this.lameBitrateGb.Location = new System.Drawing.Point(6, 104);
 			this.lameBitrateGb.Name = "lameBitrateGb";
-			this.lameBitrateGb.Size = new System.Drawing.Size(421, 101);
+			this.lameBitrateGb.Size = new System.Drawing.Size(421, 102);
 			this.lameBitrateGb.TabIndex = 0;
 			this.lameBitrateGb.TabStop = false;
 			this.lameBitrateGb.Text = "Bitrate";
@@ -786,7 +793,7 @@
 			// LameMatchSourceBRCbox
 			// 
 			this.LameMatchSourceBRCbox.AutoSize = true;
-			this.LameMatchSourceBRCbox.Location = new System.Drawing.Point(260, 77);
+			this.LameMatchSourceBRCbox.Location = new System.Drawing.Point(275, 76);
 			this.LameMatchSourceBRCbox.Name = "LameMatchSourceBRCbox";
 			this.LameMatchSourceBRCbox.Size = new System.Drawing.Size(140, 19);
 			this.LameMatchSourceBRCbox.TabIndex = 3;
@@ -883,7 +890,7 @@
 			this.label1.AutoSize = true;
 			this.label1.Enabled = false;
 			this.label1.Font = new System.Drawing.Font("Segoe UI", 9F, System.Drawing.FontStyle.Italic, System.Drawing.GraphicsUnit.Point);
-			this.label1.Location = new System.Drawing.Point(6, 298);
+			this.label1.Location = new System.Drawing.Point(6, 325);
 			this.label1.Name = "label1";
 			this.label1.Size = new System.Drawing.Size(172, 15);
 			this.label1.TabIndex = 1;
@@ -904,9 +911,9 @@
 			this.lameQualityGb.Controls.Add(this.label14);
 			this.lameQualityGb.Controls.Add(this.label2);
 			this.lameQualityGb.Controls.Add(this.lameVBRQualityTb);
-			this.lameQualityGb.Location = new System.Drawing.Point(6, 186);
+			this.lameQualityGb.Location = new System.Drawing.Point(6, 212);
 			this.lameQualityGb.Name = "lameQualityGb";
-			this.lameQualityGb.Size = new System.Drawing.Size(421, 109);
+			this.lameQualityGb.Size = new System.Drawing.Size(421, 103);
 			this.lameQualityGb.TabIndex = 0;
 			this.lameQualityGb.TabStop = false;
 			this.lameQualityGb.Text = "Quality";
@@ -986,7 +993,7 @@
 			// label13
 			// 
 			this.label13.AutoSize = true;
-			this.label13.Location = new System.Drawing.Point(376, 81);
+			this.label13.Location = new System.Drawing.Point(376, 80);
 			this.label13.Name = "label13";
 			this.label13.Size = new System.Drawing.Size(39, 15);
 			this.label13.TabIndex = 1;
@@ -995,7 +1002,7 @@
 			// label10
 			// 
 			this.label10.AutoSize = true;
-			this.label10.Location = new System.Drawing.Point(6, 81);
+			this.label10.Location = new System.Drawing.Point(6, 80);
 			this.label10.Name = "label10";
 			this.label10.Size = new System.Drawing.Size(43, 15);
 			this.label10.TabIndex = 1;
@@ -1036,7 +1043,7 @@
 			this.groupBox2.Controls.Add(this.lameTargetBitrateRb);
 			this.groupBox2.Location = new System.Drawing.Point(6, 22);
 			this.groupBox2.Name = "groupBox2";
-			this.groupBox2.Size = new System.Drawing.Size(222, 56);
+			this.groupBox2.Size = new System.Drawing.Size(214, 47);
 			this.groupBox2.TabIndex = 0;
 			this.groupBox2.TabStop = false;
 			this.groupBox2.Text = "Target";
@@ -1044,7 +1051,7 @@
 			// lameTargetQualityRb
 			// 
 			this.lameTargetQualityRb.AutoSize = true;
-			this.lameTargetQualityRb.Location = new System.Drawing.Point(138, 23);
+			this.lameTargetQualityRb.Location = new System.Drawing.Point(139, 22);
 			this.lameTargetQualityRb.Name = "lameTargetQualityRb";
 			this.lameTargetQualityRb.Size = new System.Drawing.Size(63, 19);
 			this.lameTargetQualityRb.TabIndex = 0;
@@ -1056,7 +1063,7 @@
 			// lameTargetBitrateRb
 			// 
 			this.lameTargetBitrateRb.AutoSize = true;
-			this.lameTargetBitrateRb.Location = new System.Drawing.Point(6, 23);
+			this.lameTargetBitrateRb.Location = new System.Drawing.Point(6, 22);
 			this.lameTargetBitrateRb.Name = "lameTargetBitrateRb";
 			this.lameTargetBitrateRb.Size = new System.Drawing.Size(59, 19);
 			this.lameTargetBitrateRb.TabIndex = 0;
@@ -1112,6 +1119,42 @@
 			this.createCueSheetCbox.UseVisualStyleBackColor = true;
 			this.createCueSheetCbox.CheckedChanged += new System.EventHandler(this.allowLibationFixupCbox_CheckedChanged);
 			// 
+			// maxSampleRateCb
+			// 
+			this.maxSampleRateCb.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+			this.maxSampleRateCb.FormattingEnabled = true;
+			this.maxSampleRateCb.Location = new System.Drawing.Point(119, 75);
+			this.maxSampleRateCb.Name = "maxSampleRateCb";
+			this.maxSampleRateCb.Size = new System.Drawing.Size(101, 23);
+			this.maxSampleRateCb.TabIndex = 2;
+			// 
+			// encoderQualityCb
+			// 
+			this.encoderQualityCb.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+			this.encoderQualityCb.FormattingEnabled = true;
+			this.encoderQualityCb.Location = new System.Drawing.Point(337, 75);
+			this.encoderQualityCb.Name = "encoderQualityCb";
+			this.encoderQualityCb.Size = new System.Drawing.Size(90, 23);
+			this.encoderQualityCb.TabIndex = 2;
+			// 
+			// label20
+			// 
+			this.label20.AutoSize = true;
+			this.label20.Location = new System.Drawing.Point(12, 78);
+			this.label20.Name = "label20";
+			this.label20.Size = new System.Drawing.Size(101, 15);
+			this.label20.TabIndex = 3;
+			this.label20.Text = "Max Sample Rate:";
+			// 
+			// label21
+			// 
+			this.label21.AutoSize = true;
+			this.label21.Location = new System.Drawing.Point(239, 78);
+			this.label21.Name = "label21";
+			this.label21.Size = new System.Drawing.Size(94, 15);
+			this.label21.TabIndex = 3;
+			this.label21.Text = "Encoder Quality:";
+			// 
 			// SettingsDialog
 			// 
 			this.AcceptButton = this.saveBtn;
@@ -1253,5 +1296,9 @@
 		private System.Windows.Forms.ComboBox clipsBookmarksFormatCb;
 		private System.Windows.Forms.CheckBox downloadClipsBookmarksCbox;
 		private System.Windows.Forms.CheckBox moveMoovAtomCbox;
+		private System.Windows.Forms.ComboBox encoderQualityCb;
+		private System.Windows.Forms.ComboBox maxSampleRateCb;
+		private System.Windows.Forms.Label label21;
+		private System.Windows.Forms.Label label20;
 	}
 }

Source/LibationWinForms/Form1.Designer.cs

@@ -520,6 +520,7 @@
             this.productsDisplay.VisibleCountChanged += new System.EventHandler<int>(this.productsDisplay_VisibleCountChanged);
             this.productsDisplay.RemovableCountChanged += new System.EventHandler<int>(this.productsDisplay_RemovableCountChanged);
             this.productsDisplay.LiberateClicked += new System.EventHandler<DataLayer.LibraryBook>(this.ProductsDisplay_LiberateClicked);
+            this.productsDisplay.ConvertToMp3Clicked += new System.EventHandler<DataLayer.LibraryBook>(this.ProductsDisplay_ConvertToMp3Clicked);
             this.productsDisplay.InitialLoaded += new System.EventHandler(this.productsDisplay_InitialLoaded);
             // 
             // toggleQueueHideBtn

Source/LibationWinForms/Form1.ProcessQueue.cs

@@ -56,6 +56,23 @@ namespace LibationWinForms
 			}
 		}
 
+		private void ProductsDisplay_ConvertToMp3Clicked(object sender, LibraryBook libraryBook)
+		{
+			try
+			{
+				if (libraryBook.Book.UserDefinedItem.BookStatus is LiberatedStatus.Liberated)
+				{
+					Serilog.Log.Logger.Information("Begin single pdf backup of {libraryBook}", libraryBook);
+					SetQueueCollapseState(false);
+					processBookQueue1.AddConvertMp3(libraryBook);
+				}
+			}
+			catch (Exception ex)
+			{
+				Serilog.Log.Logger.Error(ex, "An error occurred while handling the stop light button click for {libraryBook}", libraryBook);
+			}
+		}
+
 		private void SetQueueCollapseState(bool collapsed)
 		{
 			if (collapsed && !splitContainer1.Panel2Collapsed)

Source/LibationWinForms/GridView/ProductsDisplay.Designer.cs

@@ -41,6 +41,7 @@
 			this.productsGrid.TabIndex = 0;
 			this.productsGrid.VisibleCountChanged += new System.EventHandler<int>(this.productsGrid_VisibleCountChanged);
 			this.productsGrid.LiberateClicked += new LibationWinForms.GridView.LibraryBookEntryClickedEventHandler(this.productsGrid_LiberateClicked);
+			this.productsGrid.ConvertToMp3Clicked += new LibationWinForms.GridView.LibraryBookEntryClickedEventHandler(this.productsGrid_ConvertToMp3Clicked);
 			this.productsGrid.CoverClicked += new LibationWinForms.GridView.GridEntryClickedEventHandler(this.productsGrid_CoverClicked);
 			this.productsGrid.DetailsClicked += new LibationWinForms.GridView.LibraryBookEntryClickedEventHandler(this.productsGrid_DetailsClicked);
 			this.productsGrid.DescriptionClicked += new LibationWinForms.GridView.GridEntryRectangleClickedEventHandler(this.productsGrid_DescriptionClicked);

Source/LibationWinForms/GridView/ProductsDisplay.cs

@@ -19,6 +19,7 @@ namespace LibationWinForms.GridView
 		public event EventHandler<int> VisibleCountChanged;
 		public event EventHandler<int> RemovableCountChanged;
 		public event EventHandler<LibraryBook> LiberateClicked;
+		public event EventHandler<LibraryBook> ConvertToMp3Clicked;
 		public event EventHandler InitialLoaded;
 
 		private bool hasBeenDisplayed;
@@ -204,6 +205,12 @@ namespace LibationWinForms.GridView
 				LiberateClicked?.Invoke(this, liveGridEntry.LibraryBook);
 		}
 
+		private void productsGrid_ConvertToMp3Clicked(LibraryBookEntry liveGridEntry)
+		{
+			if (liveGridEntry.LibraryBook.Book.UserDefinedItem.BookStatus is not LiberatedStatus.Error)
+				ConvertToMp3Clicked?.Invoke(this, liveGridEntry.LibraryBook);
+		}
+
 		private void productsGrid_RemovableCountChanged(object sender, EventArgs e)
 		{
 			RemovableCountChanged?.Invoke(sender, productsGrid.GetAllBookEntries().Count(lbe => lbe.Remove is RemoveStatus.Removed));

Source/LibationWinForms/GridView/ProductsGrid.cs

@@ -22,6 +22,7 @@ namespace LibationWinForms.GridView
 		/// <summary>Number of visible rows has changed</summary>
 		public event EventHandler<int> VisibleCountChanged;
 		public event LibraryBookEntryClickedEventHandler LiberateClicked;
+		public event LibraryBookEntryClickedEventHandler ConvertToMp3Clicked;
 		public event GridEntryClickedEventHandler CoverClicked;
 		public event LibraryBookEntryClickedEventHandler DetailsClicked;
 		public event GridEntryRectangleClickedEventHandler DescriptionClicked;
@@ -176,6 +177,13 @@ namespace LibationWinForms.GridView
                 }
             };
 
+			var convertToMp3MenuItem = new ToolStripMenuItem
+			{
+				Text = "&Convert to Mp3",
+				Enabled = entry.Book.UserDefinedItem.BookStatus != LiberatedStatus.NotLiberated
+			};
+			convertToMp3MenuItem.Click += (_, e) => ConvertToMp3Clicked?.Invoke(entry as LibraryBookEntry);
+
 			var bookRecordMenuItem = new ToolStripMenuItem { Text = "View &Bookmarks/Clips" };
 			bookRecordMenuItem.Click += (_, _) => new BookRecordsDialog(entry.LibraryBook).ShowDialog(this);
 
@@ -184,6 +192,7 @@ namespace LibationWinForms.GridView
             stopLightContextMenu.Items.Add(setNotDownloadMenuItem);
             stopLightContextMenu.Items.Add(removeMenuItem);
             stopLightContextMenu.Items.Add(locateFileMenuItem);
+            stopLightContextMenu.Items.Add(convertToMp3MenuItem);
 			stopLightContextMenu.Items.Add(new ToolStripSeparator());
 			stopLightContextMenu.Items.Add(bookRecordMenuItem);