Damiano Galassi 66fe47c548
libhb: ui: add new presets key for track names (#6840)
Add AudioTrackNamePassthru and SubtitleTrackNamePassthru preset key to
preserve the existing track names, and AudioAutomaticNamingBehavior to
disable or enable the audio track automatic names.

Co-authored-by: sr55 <sr55.code@outlook.com>
2025-06-03 08:48:59 +02:00

655 lines
21 KiB
C#

// --------------------------------------------------------------------------------------------------------------------
// <copyright file="AudioTrack.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>
// Model of a HandBrake Audio Track and it's associated behaviours.
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrakeWPF.Services.Encode.Model.Models
{
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.Linq;
using System.Text.Json.Serialization;
using HandBrake.App.Core.Utilities;
using HandBrake.Interop.Interop;
using HandBrake.Interop.Interop.Interfaces.Model.Encoders;
using HandBrakeWPF.Model.Audio;
using HandBrakeWPF.Services.Scan.Model;
using HandBrakeWPF.ViewModels;
public class AudioTrack : PropertyChangedBase
{
private int bitrate;
private double drc;
private HBAudioEncoder encoder;
private int gain;
private string mixDown;
private double sampleRate;
[NonSerialized]
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
private Audio scannedTrack;
private bool isDefault;
private IEnumerable<int> bitrates;
private IEnumerable<double> encoderQualityValues;
private AudioEncoderRateType encoderRateType;
private double? quality;
private string trackName;
private bool isExpandedTrackView;
public AudioTrack()
{
// Default Values
this.Encoder = HandBrakeEncoderHelpers.GetAudioEncoder("av_aac");
this.MixDown = HandBrakeEncoderHelpers.Mixdowns.FirstOrDefault(m => m.ShortName == "dpl2")?.ShortName;
this.SampleRate = 48;
this.Bitrate = 160;
this.DRC = 0;
this.ScannedTrack = new Audio();
this.TrackName = string.Empty;
// Setup Backing Properties
this.EncoderRateType = AudioEncoderRateType.Bitrate;
this.SetupLimits();
}
public AudioTrack(AudioTrack track, bool setScannedTrack)
{
this.PassthruTracks = track.PassthruTracks;
this.TrackNamingBehaviour = track.TrackNamingBehaviour;
this.bitrate = track.Bitrate;
this.drc = track.DRC;
this.encoder = track.Encoder;
this.gain = track.Gain;
this.mixDown = track.MixDown;
this.sampleRate = track.SampleRate;
if (setScannedTrack)
{
this.scannedTrack = track.ScannedTrack ?? new Audio();
}
if (!string.IsNullOrEmpty(this.scannedTrack?.Name))
{
this.TrackName = this.scannedTrack.Name;
}
if (!string.IsNullOrEmpty(track.TrackName))
{
this.TrackName = track.TrackName;
}
this.Quality = track.Quality;
// Setup Backing Properties
this.encoderRateType = track.EncoderRateType;
this.SetupLimits();
}
public AudioTrack(AudioBehaviourTrack track, Audio sourceTrack, IList<HBAudioEncoder> passthruEncoders, HBAudioEncoder fallbackEncoder, OutputFormat container, Func<bool> passthruTracks,
Func<AudioTrackNamingBehaviour> trackNamingBehaviour)
{
this.PassthruTracks = passthruTracks;
this.TrackNamingBehaviour = trackNamingBehaviour;
HBAudioEncoder validatedEncoder = track.Encoder;
if (track.IsPassthru)
{
int format = HandBrakeEncoderHelpers.GetContainer(EnumHelper<OutputFormat>.GetShortName(container)).Id;
int copyMask = checked((int)HandBrakeEncoderHelpers.BuildCopyMask(passthruEncoders ?? new List<HBAudioEncoder>()));
if (track.IsAutoPassthru)
{
validatedEncoder = HandBrakeEncoderHelpers.GetAutoPassthruEncoder(sourceTrack.Codec, copyMask, fallbackEncoder.Id, format);
}
else
{
validatedEncoder = track.Encoder;
if (!HandBrakeEncoderHelpers.AudioEncoderIsCompatible(sourceTrack.Codec, validatedEncoder))
{
validatedEncoder = HandBrakeEncoderHelpers.GetPassthruFallback(track.Encoder.Id);
}
if (validatedEncoder == null)
{
validatedEncoder = fallbackEncoder; // Last Resort.
}
}
}
this.scannedTrack = sourceTrack;
this.drc = track.DRC;
this.encoder = validatedEncoder;
this.gain = track.Gain;
this.mixDown = track.MixDown != null ? track.MixDown.ShortName : "dpl2";
// If the mixdown isn't supported, downgrade it.
if (track.IsPassthru && track.MixDown != null && validatedEncoder != null && !HandBrakeEncoderHelpers.MixdownIsSupported(track.MixDown, validatedEncoder, sourceTrack.ChannelLayout))
{
HBMixdown changedMixdown = HandBrakeEncoderHelpers.GetDefaultMixdown(validatedEncoder, (ulong)sourceTrack.ChannelLayout);
if (changedMixdown != null)
{
this.mixDown = changedMixdown.ShortName;
}
}
this.sampleRate = track.SampleRate;
this.encoderRateType = track.EncoderRateType;
this.quality = track.Quality;
this.bitrate = track.Bitrate;
if (!string.IsNullOrEmpty(this.scannedTrack?.Name))
{
this.PassthruTrackName();
}
this.AutoNameTrack();
this.SetupLimits();
}
/* Audio Track Properties */
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
public Audio ScannedTrack
{
get
{
return this.scannedTrack;
}
set
{
this.scannedTrack = value;
this.NotifyOfPropertyChange(() => this.ScannedTrack);
this.NotifyOfPropertyChange(() => this.TrackReference);
// previously null should only happen on import / creation.
if (!string.IsNullOrEmpty(this.scannedTrack?.Name))
{
this.TrackName = this.scannedTrack.Name;
}
this.GetDefaultMixdownIfNull();
this.PassthruTrackName();
this.AutoNameTrack();
}
}
public double DRC
{
get
{
return this.drc;
}
set
{
if (!Equals(value, this.drc))
{
this.drc = value;
this.NotifyOfPropertyChange(() => this.DRC);
}
}
}
public int Gain
{
get
{
return this.gain;
}
set
{
if (!Equals(value, this.gain))
{
this.gain = value;
this.NotifyOfPropertyChange(() => this.Gain);
}
}
}
public string MixDown
{
get
{
return this.IsPassthru ? null : this.mixDown;
}
set
{
if (!object.Equals(this.mixDown, value))
{
this.mixDown = value;
this.NotifyOfPropertyChange(() => this.MixDown);
this.SetupLimits();
}
}
}
public HBAudioEncoder Encoder
{
get
{
return this.encoder;
}
set
{
if (object.Equals(this.encoder, value))
{
return;
}
this.encoder = value;
this.NotifyOfPropertyChange(() => this.Encoder);
this.NotifyOfPropertyChange(() => this.IsPassthru);
this.NotifyOfPropertyChange(() => this.IsBitrateVisible);
this.NotifyOfPropertyChange(() => this.IsQualityVisible);
this.NotifyOfPropertyChange(() => this.IsRateTypeVisible);
this.NotifyOfPropertyChange(() => this.TrackReference);
this.SetupLimits();
this.GetDefaultMixdownIfNull();
// Refresh the available encoder rate types.
this.NotifyOfPropertyChange(() => this.AudioEncoderRateTypes);
if (!this.AudioEncoderRateTypes.Contains(this.EncoderRateType))
{
this.EncoderRateType = AudioEncoderRateType.Bitrate; // Default to bitrate.
}
}
}
public double SampleRate
{
get
{
return this.sampleRate;
}
set
{
this.sampleRate = value;
this.NotifyOfPropertyChange(() => this.SampleRate);
this.SetupLimits();
}
}
public AudioEncoderRateType EncoderRateType
{
get
{
return this.encoderRateType;
}
set
{
this.encoderRateType = value;
this.SetupLimits();
this.NotifyOfPropertyChange(() => this.EncoderRateType);
this.NotifyOfPropertyChange(() => this.IsBitrateVisible);
this.NotifyOfPropertyChange(() => this.IsQualityVisible);
if (!this.Quality.HasValue)
{
this.Quality = HandBrakeEncoderHelpers.GetDefaultQuality(this.Encoder);
}
}
}
public int Bitrate
{
get
{
return this.bitrate;
}
set
{
this.bitrate = value;
this.NotifyOfPropertyChange(() => this.Bitrate);
}
}
public double? Quality
{
get
{
return this.quality;
}
set
{
this.quality = value;
this.NotifyOfPropertyChange(() => this.quality);
}
}
public string TrackName
{
get => this.trackName;
set
{
if (value == this.trackName) return;
this.trackName = value;
this.NotifyOfPropertyChange(() => this.TrackName);
}
}
[JsonIgnore]
public string AudioEncoderDisplayValue
{
get => this.Encoder?.DisplayName;
}
[JsonIgnore]
public string BitRateDisplayValue
{
get
{
if (this.Encoder != null && this.Encoder.IsPassthru)
{
return "Auto";
}
return this.Bitrate.ToString();
}
}
[JsonIgnore]
public bool IsDefault
{
get => this.isDefault;
set => this.isDefault = value;
}
[JsonIgnore]
public string SampleRateDisplayValue
{
get
{
return this.SampleRate == 0 ? "Auto" : this.SampleRate.ToString(CultureInfo.InvariantCulture);
}
set
{
// TODO change this to be a converted field
if (string.IsNullOrEmpty(value))
{
return;
}
double samplerate;
double.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out samplerate);
this.SampleRate = samplerate;
}
}
[JsonIgnore]
public int? Track
{
get
{
if (this.ScannedTrack != null)
{
return this.ScannedTrack.TrackNumber;
}
return null;
}
}
[JsonIgnore]
public bool IsPassthru => this.Encoder != null && this.Encoder.IsPassthru;
[JsonIgnore]
public IEnumerable<int> Bitrates
{
get
{
return this.bitrates;
}
}
[JsonIgnore]
public IEnumerable<double> EncoderQualityValues
{
get
{
return this.encoderQualityValues;
}
}
[JsonIgnore]
public IEnumerable<AudioEncoderRateType> AudioEncoderRateTypes
{
get
{
IList<AudioEncoderRateType> types = EnumHelper<AudioEncoderRateType>.GetEnumList().ToList();
if (this.Encoder == null || !this.Encoder.SupportsQuality)
{
types.Remove(AudioEncoderRateType.Quality);
}
return types;
}
}
[JsonIgnore]
public bool IsBitrateVisible
{
get
{
HBRate rate = HandBrakeEncoderHelpers.AudioSampleRates.FirstOrDefault(t => t.Name == this.SampleRate.ToString(CultureInfo.InvariantCulture));
HBMixdown mixdown = this.mixDown != null ? HandBrakeEncoderHelpers.GetMixdown(this.mixDown) : HandBrakeEncoderHelpers.GetMixdown("dpl2");
if (HandBrakeEncoderHelpers.GetDefaultBitrate(this.encoder, rate != null ? rate.Rate : 48000, mixdown) != -1 && Equals(this.EncoderRateType, AudioEncoderRateType.Bitrate))
{
return true;
}
return false;
}
}
[JsonIgnore]
public bool IsQualityVisible => this.Encoder != null && this.Encoder.SupportsQuality && Equals(this.EncoderRateType, AudioEncoderRateType.Quality);
[JsonIgnore]
public bool IsRateTypeVisible => !this.IsPassthru && !this.IsLossless;
[JsonIgnore]
public bool IsLossless => this.Encoder != null && this.Encoder.IsLosslessEncoder;
[JsonIgnore]
public AudioTrack TrackReference
{
get { return this; }
}
[JsonIgnore]
public bool IsExpandedTrackView
{
get => this.isExpandedTrackView;
set
{
if (value == this.isExpandedTrackView) return;
this.isExpandedTrackView = value;
this.NotifyOfPropertyChange(() => this.IsExpandedTrackView);
}
}
[JsonIgnore]
public Func<bool> PassthruTracks { get; set; }
[JsonIgnore]
public Func<AudioTrackNamingBehaviour> TrackNamingBehaviour { get; set; }
/* Helper Methods */
public void PassthruTrackName()
{
if (PassthruTracks != null)
{
bool passthru = PassthruTracks();
if (this.ScannedTrack != null && passthru)
{
this.TrackName = this.ScannedTrack.Name;
}
}
}
public void AutoNameTrack()
{
if (TrackNamingBehaviour != null)
{
AudioTrackNamingBehaviour behaviour = TrackNamingBehaviour();
if (this.ScannedTrack != null)
{
bool keep = behaviour == AudioTrackNamingBehaviour.Unnamed || behaviour == AudioTrackNamingBehaviour.None;
HBMixdown currentMixdown = HandBrakeEncoderHelpers.GetMixdown(this.mixDown);
this.TrackName = HandBrakeEncoderHelpers.GetAutonameAudioTrack(this.TrackName, 0, currentMixdown.Id, keep, (int)behaviour);
}
}
}
private void SetupLimits()
{
this.SetupBitrateLimits();
this.SetupQualityCompressionLimits();
this.GetDefaultMixdownIfNull();
}
private void SetupBitrateLimits()
{
// Base set of bitrates available.
List<int> audioBitrates = HandBrakeEncoderHelpers.AudioBitrates;
// Defaults
int max = 256;
int low = 32;
// Based on the users settings, find the high and low bitrates.
HBRate rate = HandBrakeEncoderHelpers.AudioSampleRates.FirstOrDefault(t => t.Name == this.SampleRate.ToString(CultureInfo.InvariantCulture));
HBMixdown mixdown = this.mixDown != null ? HandBrakeEncoderHelpers.GetMixdown(this.mixDown) : HandBrakeEncoderHelpers.GetMixdown("dpl2");
if (this.Encoder != null)
{
BitrateLimits limits = HandBrakeEncoderHelpers.GetBitrateLimits(this.Encoder, rate != null ? rate.Rate : 48000, mixdown);
if (limits != null)
{
max = limits.High;
low = limits.Low;
}
}
// Return the subset of available bitrates.
List<int> subsetBitrates = audioBitrates.Where(b => b <= max && b >= low).ToList();
this.bitrates = subsetBitrates;
this.NotifyOfPropertyChange(() => this.Bitrates);
// If the subset does not contain the current bitrate, request the default.
if (!subsetBitrates.Contains(this.Bitrate))
{
this.Bitrate = HandBrakeEncoderHelpers.GetDefaultBitrate(this.Encoder, rate != null ? rate.Rate : 48000, mixdown);
}
}
private void SetupQualityCompressionLimits()
{
if (this.Encoder != null && this.Encoder.SupportsQuality)
{
RangeLimits limits = null;
if (this.Encoder.SupportsQuality)
{
limits = this.Encoder.QualityLimits;
}
if (limits != null)
{
double value = limits.Ascending ? limits.Low : limits.High;
List<double> values = new List<double> { value };
if (limits.Ascending)
{
while (value < limits.High)
{
value += limits.Granularity;
values.Add(value);
}
}
else
{
while (value > limits.Low)
{
value -= limits.Granularity;
values.Add(value);
}
}
this.encoderQualityValues = values;
}
else
{
this.encoderQualityValues = new List<double>();
}
}
else
{
this.encoderQualityValues = new List<double>();
}
// Default the audio quality value if it's out of range.
if (Equals(this.EncoderRateType, AudioEncoderRateType.Quality))
{
if (this.Quality.HasValue && !this.encoderQualityValues.Contains(this.Quality.Value))
{
this.Quality = HandBrakeEncoderHelpers.GetDefaultQuality(this.Encoder);
}
}
this.NotifyOfPropertyChange(() => this.EncoderQualityValues);
}
private void GetDefaultMixdownIfNull()
{
if (this.ScannedTrack == null)
{
return;
}
HBMixdown currentMixdown = HandBrakeEncoderHelpers.GetMixdown(this.mixDown);
HBMixdown sanitisedMixdown = HandBrakeEncoderHelpers.SanitizeMixdown(currentMixdown, this.Encoder, (uint)this.ScannedTrack.ChannelLayout);
HBMixdown defaultMixdown = sanitisedMixdown;
if (this.Encoder != null)
{
defaultMixdown = HandBrakeEncoderHelpers.GetDefaultMixdown(this.Encoder, (uint)this.ScannedTrack.ChannelLayout);
}
if (this.mixDown == null || this.mixDown == "none")
{
this.MixDown = defaultMixdown?.ShortName;
}
else if (sanitisedMixdown != null)
{
this.MixDown = sanitisedMixdown.ShortName;
}
}
public override string ToString()
{
return string.Format("Audio Track: Title {0}", this.ScannedTrack.ToString());
}
}
}