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Non-blocking MIDI player #1520

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ema
2025-01-01 03:42:18 +08:00
parent e4e0fe3fa6
commit e70c23ad75
2 changed files with 7 additions and 11 deletions
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14
QuickLook.Plugin/QuickLook.Plugin.VideoViewer/AudioTrack/MidiPlayer.cs
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@@ -1,4 +1,4 @@
// Copyright © 2024 QL-Win Contributors // Copyright © 2017–2025 QL-Win Contributors
// //
// This file is part of QuickLook program. // This file is part of QuickLook program.
// //
@@ -24,9 +24,7 @@ using System;
using System.ComponentModel; using System.ComponentModel;
using System.Globalization; using System.Globalization;
using System.IO; using System.IO;
using System.Reflection;
using System.Runtime.CompilerServices; using System.Runtime.CompilerServices;
using System.Threading.Tasks;
using System.Windows; using System.Windows;
using System.Windows.Controls; using System.Windows.Controls;
using System.Windows.Data; using System.Windows.Data;
@@ -56,8 +54,6 @@ internal class MidiPlayer : IDisposable, INotifyPropertyChanged
} }
} }
public event PropertyChangedEventHandler PropertyChanged;
public MidiPlayer(ViewerPanel panle, ContextObject context) public MidiPlayer(ViewerPanel panle, ContextObject context)
{ {
_vp = panle; _vp = panle;
@@ -76,7 +72,7 @@ internal class MidiPlayer : IDisposable, INotifyPropertyChanged
_outputDevice = null; _outputDevice = null;
} }
public void LoadAndPlay(string path, MediaInfoLib info) public void LoadAndPlay(string path)
{ {
_midiFile = MidiFile.Read(path); _midiFile = MidiFile.Read(path);
_vp.metaTitle.Text = Path.GetFileName(path); _vp.metaTitle.Text = Path.GetFileName(path);
@@ -200,13 +196,13 @@ internal class MidiPlayer : IDisposable, INotifyPropertyChanged
} }
}; };
// Playback supported by DryWetMidi will block the current thread _playback.Start();
// So we should run it in a new thread
_ = Task.Run(() => _playback?.Play());
_vp.buttonPlayPause.Content = FontSymbols.Pause; _vp.buttonPlayPause.Content = FontSymbols.Pause;
_context.IsBusy = false; _context.IsBusy = false;
} }
public event PropertyChangedEventHandler PropertyChanged;
[NotifyPropertyChangedInvocator] [NotifyPropertyChangedInvocator]
protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null) protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
{ {

4
QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ViewerPanel.xaml.cs
View File

@@ -397,8 +397,8 @@ public partial class ViewerPanel : UserControl, IDisposable, INotifyPropertyChan
if (audioCodec?.Equals("MIDI", StringComparison.OrdinalIgnoreCase) ?? false) if (audioCodec?.Equals("MIDI", StringComparison.OrdinalIgnoreCase) ?? false)
{ {
_midiPlayer = new MidiPlayer(this, _context); _midiPlayer = new MidiPlayer(this, _context);
_midiPlayer.LoadAndPlay(path, info); _midiPlayer.LoadAndPlay(path);
return; // MIDI player will handle the playback at all return; // Midi player will handle the playback at all
} }
} }