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// --------------------------------------------------------------------------------------------------------------------
// <copyright file="AudioEncoderConverter.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>
// Audio Encoder Converter
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrakeWPF.Converters.Audio
{
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Windows;
using System.Windows.Data;
using HandBrake.Interop.Interop;
using HandBrake.Interop.Interop.Model.Encoding;
using HandBrakeWPF.Services.Scan.Model;
using HandBrakeWPF.Utilities;
using AudioEncoder = Services.Encode.Model.Models.AudioEncoder;
using EncodeTask = Services.Encode.Model.EncodeTask;
using OutputFormat = Services.Encode.Model.Models.OutputFormat;
public class AudioEncoderConverter : IMultiValueConverter
{
/// <summary>
/// Gets a list of audio encoders OR returns the string name of an encoder depending on the input.
/// </summary>
/// <param name="values">
/// The values.
/// </param>
/// <param name="targetType">
/// The target type.
/// </param>
/// <param name="parameter">
/// The parameter.
/// </param>
/// <param name="culture">
/// The culture.
/// </param>
/// <returns>
/// IEnumberable AudioEncoder or String encoder name.
/// </returns>
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
// TODO -> Be smarter and only show the available Passthru options.
if (values.Count() >= 2)
{
List<AudioEncoder> encoders = EnumHelper<AudioEncoder>.GetEnumList().ToList();
EncodeTask task = values[1] as EncodeTask;
encoders.Remove(AudioEncoder.None); // Assume we never want to show this.
if (!HandBrakeEncoderHelpers.AudioEncoders.Any(a => a.ShortName.Contains("fdk")))
{
encoders.Remove(AudioEncoder.fdkaac);
encoders.Remove(AudioEncoder.fdkheaac);
}
if (task != null && task.OutputFormat == OutputFormat.Mp4)
{
encoders.Remove(AudioEncoder.Vorbis);
encoders.Remove(AudioEncoder.ffflac);
encoders.Remove(AudioEncoder.ffflac24);
encoders.Remove(AudioEncoder.FlacPassthru);
encoders.Remove(AudioEncoder.Opus);
encoders.Remove(AudioEncoder.TrueHDPassthrough);
}
else if (task != null && task.OutputFormat == OutputFormat.WebM)
{
encoders.RemoveAll(ae => !(ae.Equals(AudioEncoder.Vorbis) || ae.Equals(AudioEncoder.Opus)));
}
// Hide the Passthru options and show the "None" option
if (parameter != null && parameter.ToString() == "True")
{
encoders.Remove(AudioEncoder.DtsHDPassthrough);
encoders.Remove(AudioEncoder.DtsPassthrough);
encoders.Remove(AudioEncoder.EAc3Passthrough);
encoders.Remove(AudioEncoder.AacPassthru);
encoders.Remove(AudioEncoder.Ac3Passthrough);
encoders.Remove(AudioEncoder.Mp3Passthru);
encoders.Remove(AudioEncoder.Mp2Passthru);
encoders.Remove(AudioEncoder.Passthrough);
encoders.Remove(AudioEncoder.TrueHDPassthrough);
encoders.Remove(AudioEncoder.FlacPassthru);
encoders.Add(AudioEncoder.None);
}
if (values.Length == 3)
{
encoders.Remove(AudioEncoder.Passthrough); // Auto passthru doesn't make sense on the main window. instead only show supported passthrus.
Audio sourceTrack = values[2] as Audio;
RemoveIfNotSupported(AudioEncoder.DtsHDPassthrough, sourceTrack, encoders);
RemoveIfNotSupported(AudioEncoder.DtsPassthrough, sourceTrack, encoders);
RemoveIfNotSupported(AudioEncoder.EAc3Passthrough, sourceTrack, encoders);
RemoveIfNotSupported(AudioEncoder.AacPassthru, sourceTrack, encoders);
RemoveIfNotSupported(AudioEncoder.Ac3Passthrough, sourceTrack, encoders);
RemoveIfNotSupported(AudioEncoder.Mp3Passthru, sourceTrack, encoders);
RemoveIfNotSupported(AudioEncoder.TrueHDPassthrough, sourceTrack, encoders);
RemoveIfNotSupported(AudioEncoder.FlacPassthru, sourceTrack, encoders);
RemoveIfNotSupported(AudioEncoder.Mp2Passthru, sourceTrack, encoders);
}
return EnumHelper<AudioEncoder>.GetEnumDisplayValuesSubset(encoders);
}
if (values.Any() && values.First() != DependencyProperty.UnsetValue)
{
return EnumHelper<AudioEncoder>.GetDisplay((AudioEncoder)values[0]);
}
return EnumHelper<AudioEncoder>.GetDisplay(AudioEncoder.ffaac);
}
/// <summary>
/// Convert from a string name, to enum value.
/// </summary>
/// <param name="value">
/// The value.
/// </param>
/// <param name="targetTypes">
/// The target types.
/// </param>
/// <param name="parameter">
/// The parameter.
/// </param>
/// <param name="culture">
/// The culture.
/// </param>
/// <returns>
/// Returns the audio encoder enum item.
/// </returns>
public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
{
string name = value as string;
if (!string.IsNullOrEmpty(name))
{
return new object[] { EnumHelper<AudioEncoder>.GetValue(name) };
}
return null;
}
private void RemoveIfNotSupported(AudioEncoder encoder, Audio sourceTrack, List<AudioEncoder> encoders)
{
if (sourceTrack == null)
{
return;
}
HBAudioEncoder encoderInfo = HandBrakeEncoderHelpers.GetAudioEncoder(EnumHelper<AudioEncoder>.GetShortName(encoder));
if ((sourceTrack.Codec & encoderInfo.Id) == 0)
{
encoders.Remove(encoder);
}
}
}
}
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