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This commit is contained in:
Paddy Xu
2018-01-25 23:21:52 +02:00
parent 3f9794c2a4
commit d2fdcd240b
470 changed files with 4591 additions and 19171 deletions
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89
QuickLook.Plugin/QuickLook.Plugin.VideoViewer/Plugin.cs
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@@ -18,10 +18,11 @@
using System;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Windows;
using QuickLook.Plugin.VideoViewer.FFmpeg;
using Unosquare.FFME;
using Meta.Vlc;
using Meta.Vlc.Interop.Media;
using Meta.Vlc.Wpf;
using Size = System.Windows.Size;
using VideoTrack = Meta.Vlc.VideoTrack;
namespace QuickLook.Plugin.VideoViewer
{
@@ -39,29 +40,19 @@ namespace QuickLook.Plugin.VideoViewer
};
private ContextObject _context;
private ViewerPanel _vp;
private FFprobe probe;
private ViewerPanel _vp;
public int Priority => 0 - 10; // make it lower than TextViewer
public void Init()
{
MediaElement.FFmpegDirectory = Path.Combine(
Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "FFmpeg\\",
App.Is64Bit ? "x64\\" : "x86\\");
ApiManager.Initialize(VlcSettings.LibVlcPath, VlcSettings.VlcOptions);
}
public bool CanHandle(string path)
{
if (Directory.Exists(path))
return false;
return Formats.Contains(Path.GetExtension(path).ToLower());
//FFprobe is much slower than fixed extensions
//probe = new FFprobe(path);
//return probe.CanDecode() & (probe.HasAudio() | probe.HasVideo());
return !Directory.Exists(path) && Formats.Contains(Path.GetExtension(path)?.ToLower());
}
public void Prepare(string path, ContextObject context)
@@ -69,9 +60,16 @@ namespace QuickLook.Plugin.VideoViewer
_context = context;
var def = new Size(500, 300);
probe = probe ?? new FFprobe(path);
if (!probe.HasVideo())
var hasVideo = HasVideoStream(path, out var mediaSize);
var windowSize = mediaSize == Size.Empty ? def : mediaSize;
windowSize.Width = Math.Max(def.Width, windowSize.Width);
windowSize.Height = Math.Max(def.Height, windowSize.Height);
context.SetPreferredSizeFit(windowSize, 0.8);
context.TitlebarOverlap = true;
if (!hasVideo)
{
context.CanResize = false;
context.TitlebarAutoHide = false;
@@ -82,50 +80,53 @@ namespace QuickLook.Plugin.VideoViewer
{
context.TitlebarAutoHide = true;
context.UseDarkTheme = true;
context.CanResize = true;
context.TitlebarAutoHide = true;
context.TitlebarBlurVisibility = true;
context.TitlebarColourVisibility = true;
}
var windowSize = probe.GetViewSize() == Size.Empty ? def : probe.GetViewSize();
windowSize.Width = Math.Max(def.Width, windowSize.Width);
windowSize.Height = Math.Max(def.Height, windowSize.Height);
if (!probe.HasVideo())
context.PreferredSize = def;
else
context.SetPreferredSizeFit(windowSize, 0.6);
context.TitlebarOverlap = true;
}
public void View(string path, ContextObject context)
{
_vp = new ViewerPanel(context, probe.HasVideo());
_vp = new ViewerPanel(context);
context.ViewerContent = _vp;
_vp.mediaElement.MediaOpened += MediaElement_MediaOpened;
_vp.mediaElement.VlcMediaPlayer.Opening += MarkReady;
_vp.LoadAndPlay(path);
context.Title = $"{Path.GetFileName(path)}";
}
private void MediaElement_MediaOpened(object sender, RoutedEventArgs e)
{
_context.IsBusy = false;
}
public void Cleanup()
{
if (_vp?.mediaElement != null)
_vp.mediaElement.MediaOpened -= MediaElement_MediaOpened;
if (_vp != null)
_vp.mediaElement.VlcMediaPlayer.Opening -= MarkReady;
_vp?.Dispose();
_vp = null;
_context = null;
}
private void MarkReady(object sender, ObjectEventArgs<MediaState> e)
{
_context.IsBusy = false;
}
private static bool HasVideoStream(string path, out Size size)
{
using (var vlc = new Vlc(VlcSettings.VlcOptions))
{
using (var media = vlc.CreateMediaFromPath(path))
{
media.Parse();
var tracks = media.GetTracks();
var video = tracks.FirstOrDefault(mt => mt.Type == TrackType.Video) as VideoTrack;
size = video == null ? Size.Empty : new Size(video.Width, video.Height);
return video != null;
}
}
}
}
}
}