5.4.6.0

Changelog.md

@@ -1,8 +1,33 @@
 
-5.4.4.7 Beta (not yet released)
+5.4.5.2 Beta  (not yet released)
 ============
 
-- 
+
+
+
+5.4.6.0
+=======
+
+- youtube-dl update
+- auto update routine fix
+
+
+5.4.5.1 Beta
+============
+
+- extensions no longer need to end with *Extension.dll but rather
+  the file name and the directory name must be identical
+- text encoding exception fix
+- the PowerShell script host is more feature complete, easier to use
+  and more efficient, there were however many PowerShell and C# breaking
+  changes requrired to make the core more robust and efficient
+- Python 2 script host removed, Python 3 support is planned for summer
+
+
+5.4.5.0
+=======
+
+stable release, no changes since the last beta
 
 
 5.4.4.6 Beta

Manual.md

@@ -341,7 +341,7 @@ The PowerShell scripting host is like extensions not initialized before media fi
 
 mpv.net does not define scripting interfaces but instead exposed its complete internals, there are no compatibility guaranties.
 
-[Example Scripts](scripts/examples)
+[Example Scripts](scripts)
 
 
 #### C#
@@ -358,16 +358,16 @@ Script code can be written within a C# [extension](#extensions), that way full c
 
 The C# scripting host is like [extensions](#extensions) not initialized before media files are loaded.
 
-[Example Scripts](scripts/examples)
+[Example Scripts](scripts)
 
 
 Extensions
 ----------
 
-Extensions are located in the config folder and the filename must end with 'Extension.dll':
+Extensions are located in a subfolder _extensions_ in the config folder and the filename must have the same name as the directory:
 
 ```Text
-<config folder>\Extensions\ExampleExtension\ExampleExtension.dll
+<config folder>\extensions\ExampleExtension\ExampleExtension.dll
 ```
 
 mpv.net does not define extension interfaces but instead exposed its complete internals, there are no compatibility guaranties.

Release.ps1

@@ -7,7 +7,6 @@ $include = @(
     '*.iss',
     '*.js',
     '*.lua',
-    '*.md',
     '*.ps1',
     '*.resx',
     '*.sln',

extensions/RatingExtension/RatingExtension.cs

@@ -8,6 +8,7 @@ using System.Collections.Generic;
 using System.IO;
 
 using mpvnet;
+using static mpvnet.Core;
 
 namespace RatingExtension // the assembly name must end with 'Extension'
 {
@@ -19,8 +20,8 @@ namespace RatingExtension // the assembly name must end with 'Extension'
 
         public RatingExtension() // plugin initialization
         {
-            mp.ClientMessage += ClientMessage; //handles keys defined in input.conf
+            core.ClientMessage += ClientMessage; //handles keys defined in input.conf
-            mp.Shutdown += Shutdown; // handles MPV_EVENT_SHUTDOWN
+            core.Shutdown += Shutdown; // handles MPV_EVENT_SHUTDOWN
         }
 
         // handles MPV_EVENT_SHUTDOWN
@@ -53,10 +54,10 @@ namespace RatingExtension // the assembly name must end with 'Extension'
 
             if (int.TryParse(args[1], out int rating))
             {
-                string path = mp.get_property_string("path");
+                string path = core.get_property_string("path");
                 if (!File.Exists(path)) return;
                 Dic[path] = rating;
-                mp.commandv("show-text", $"Rating: {rating}");
+                core.commandv("show-text", $"Rating: {rating}");
             }
             else if (args[1] == "about")
                 Msg.Show("Rating Extension", "This extension writes a rating to the filename of rated videos when mpv.net shuts down.\n\nThe input.conf defaults contain key bindings for this extension to set ratings.");

extensions/ScriptingExtension/ScriptingExtension.cs

@@ -13,6 +13,7 @@ using System.IO;
 
 using mpvnet;
 using CSScriptLibrary;
+using static mpvnet.Core;
 
 // the file name of extensions must end with 'Extension'
 namespace ScriptingExtension
@@ -27,8 +28,8 @@ namespace ScriptingExtension
             //Script = new Script();
             List<string> files = new List<string>();
 
-            if (Directory.Exists(mp.ConfigFolder + "scripts-cs"))
+            if (Directory.Exists(core.ConfigFolder + "scripts-cs"))
-                files.AddRange(Directory.GetFiles(mp.ConfigFolder + "scripts-cs", "*.cs"));
+                files.AddRange(Directory.GetFiles(core.ConfigFolder + "scripts-cs", "*.cs"));
 
             if (Directory.Exists(Folder.Startup + "scripts"))
                 foreach (string path in Directory.GetFiles(Folder.Startup + "scripts", "*.cs"))

extensions/ScriptingExtension/script.cs

@@ -2,12 +2,13 @@
 using System.IO;
 
 using mpvnet;
+using static mpvnet.Core;
 
 class Script
 {
     public Script()
     {
-        mp.Shutdown += Shutdown;
+        core.Shutdown += Shutdown;
     }
 
     void Shutdown()

mpv.net/Misc/App.cs

@@ -8,6 +8,7 @@ using System.Windows.Forms;
 using UI;
 
 using static libmpv;
+using static mpvnet.Core;
 
 using System.Threading.Tasks;
 
@@ -21,7 +22,7 @@ namespace mpvnet
         public static string[] SubtitleTypes { get; } = { "srt", "ass", "idx", "sup", "ttxt", "ssa", "smi" };
 
         public static string RegPath { get; } = @"HKCU\Software\" + Application.ProductName;
-        public static string ConfPath { get => mp.ConfigFolder + "mpvnet.conf"; }
+        public static string ConfPath { get => core.ConfigFolder + "mpvnet.conf"; }
         public static string ProcessInstance { get; set; } = "single";
         public static string DarkMode { get; set; } = "always";
         public static string DarkTheme { get; set; } = "dark";
@@ -49,8 +50,8 @@ namespace mpvnet
 
         public static void Init()
         {
-            string dummy = mp.ConfigFolder;
+            string dummy = core.ConfigFolder;
-            var dummy2 = mp.Conf;
+            var dummy2 = core.Conf;
 
             foreach (var i in Conf)
                 ProcessProperty(i.Key, i.Value, true);
@@ -59,7 +60,7 @@ namespace mpvnet
             {
                 try
                 {
-                    string filePath = mp.ConfigFolder + "mpvnet-debug.log";
+                    string filePath = core.ConfigFolder + "mpvnet-debug.log";
 
                     if (File.Exists(filePath))
                         File.Delete(filePath);
@@ -78,17 +79,17 @@ namespace mpvnet
 
             string themeContent = null;
 
-            if (File.Exists(mp.ConfigFolder + "theme.conf"))
+            if (File.Exists(core.ConfigFolder + "theme.conf"))
-                themeContent = File.ReadAllText(mp.ConfigFolder + "theme.conf");
+                themeContent = File.ReadAllText(core.ConfigFolder + "theme.conf");
 
             Theme.Init(
                 themeContent,
                 Properties.Resources.theme,
                 IsDarkMode ? DarkTheme : LightTheme);
 
-            mp.Shutdown += Shutdown;
+            core.Shutdown += Shutdown;
-            mp.Initialized += Initialized;
+            core.Initialized += Initialized;
-            mp.LogMessage += ShowFatalError;
+            core.LogMessage += ShowFatalError;
         }
 
         static void ShowFatalError(mpv_log_level level, string msg)
@@ -103,6 +104,7 @@ namespace mpvnet
                 try
                 {
                     action.Invoke();
+                    Debug.WriteLine(Environment.TickCount);
                 }
                 catch (Exception e)
                 {
@@ -116,25 +118,36 @@ namespace mpvnet
             if (obj is Exception e)
             {
                 if (App.IsStartedFromTerminal)
-                    ConsoleHelp.WriteError(e.ToString(), "mpv.net");
+                    ConsoleHelp.WriteError(e.ToString());
                 else
                     Msg.ShowException(e);
             }
             else
             {
                 if (App.IsStartedFromTerminal)
-                    ConsoleHelp.WriteError(obj.ToString(), "mpv.net");
+                    ConsoleHelp.WriteError(obj.ToString());
                 else
                     Msg.ShowError(obj.ToString());
             }
         }
 
+        public static void ShowError(string title, string msg)
+        {
+            if (App.IsStartedFromTerminal)
+            {
+                ConsoleHelp.WriteError(title);
+                ConsoleHelp.WriteError(msg);
+            }
+            else
+                Msg.ShowError(title, msg);
+        }
+
         static void Initialized()
         {
             if (RememberVolume)
             {
-                mp.set_property_int("volume", RegistryHelp.GetInt(App.RegPath, "Volume", 70));
+                core.set_property_int("volume", RegistryHelp.GetInt(App.RegPath, "Volume", 70));
-                mp.set_property_string("mute", RegistryHelp.GetString(App.RegPath, "Mute", "no"));
+                core.set_property_string("mute", RegistryHelp.GetString(App.RegPath, "Mute", "no"));
             }
         }
 
@@ -142,8 +155,8 @@ namespace mpvnet
         {
             if (RememberVolume)
             {
-                RegistryHelp.SetValue(App.RegPath, "Volume", mp.get_property_int("volume"));
+                RegistryHelp.SetValue(App.RegPath, "Volume", core.get_property_int("volume"));
-                RegistryHelp.SetValue(App.RegPath, "Mute", mp.get_property_string("mute"));
+                RegistryHelp.SetValue(App.RegPath, "Mute", core.get_property_string("mute"));
             }
         }
 
@@ -184,7 +197,7 @@ namespace mpvnet
                 case "light-theme": LightTheme = value.Trim('\'', '"'); return true;
                 default:
                     if (writeError)
-                        ConsoleHelp.WriteError($"unknown mpvnet.conf property: {name}", "mpv.net");
+                        ConsoleHelp.WriteError($"unknown mpvnet.conf property: {name}");
                     return false;
             }
         }

mpv.net/Misc/Commands.cs

@@ -8,13 +8,13 @@ using System.Windows.Forms;
 using System.Windows.Interop;
 
 using VB = Microsoft.VisualBasic;
-using ScriptHost;
 
 using static NewLine;
+using static mpvnet.Core;
 
 namespace mpvnet
 {
-    public class Command
+    public class Commands
     {
         public static void Execute(string id, string[] args)
         {
@@ -36,7 +36,7 @@ namespace mpvnet
                 case "show-about": ShowDialog(typeof(AboutWindow)); break;
                 case "show-conf-editor": ShowDialog(typeof(ConfWindow)); break;
                 case "show-input-editor": ShowDialog(typeof(InputWindow)); break;
-                case "open-conf-folder": Process.Start(mp.ConfigFolder); break;
+                case "open-conf-folder": Process.Start(core.ConfigFolder); break;
                 case "shell-execute": Process.Start(args[0]); break;
                 case "show-info": ShowInfo(); break;
                 case "playlist-first": PlaylistFirst(); break;
@@ -49,7 +49,7 @@ namespace mpvnet
             }
         }
 
-        public static void InvokeOnMainThread(Action action) => MainForm.Instance.Invoke(action);
+        public static void InvokeOnMainThread(Action action) => MainForm.Instance.BeginInvoke(action);
 
         public static void ShowDialog(Type winType)
         {
@@ -74,7 +74,7 @@ namespace mpvnet
             InvokeOnMainThread(new Action(() => {
                 using (var d = new OpenFileDialog() { Multiselect = true })
                     if (d.ShowDialog() == DialogResult.OK)
-                        mp.LoadFiles(d.FileNames, loadFolder, append);
+                        core.LoadFiles(d.FileNames, loadFolder, append);
             }));
         }
 
@@ -90,13 +90,13 @@ namespace mpvnet
                     {
                         if (Directory.Exists(d.SelectedPath + "\\BDMV"))
                         {
-                            mp.set_property_string("bluray-device", d.SelectedPath);
+                            core.set_property_string("bluray-device", d.SelectedPath);
-                            mp.LoadFiles(new[] { @"bd://" }, false, false);
+                            core.LoadFiles(new[] { @"bd://" }, false, false);
                         }
                         else
                         {
-                            mp.set_property_string("dvd-device", d.SelectedPath);
+                            core.set_property_string("dvd-device", d.SelectedPath);
-                            mp.LoadFiles(new[] { @"dvd://" }, false, false);
+                            core.LoadFiles(new[] { @"dvd://" }, false, false);
                         }
                     }
                 }
@@ -105,31 +105,31 @@ namespace mpvnet
 
         public static void PlaylistFirst()
         {
-            int pos = mp.get_property_int("playlist-pos");
+            int pos = core.get_property_int("playlist-pos");
 
             if (pos != 0)
-                mp.set_property_int("playlist-pos", 0);
+                core.set_property_int("playlist-pos", 0);
         }
 
         public static void PlaylistLast()
         {
-            int pos = mp.get_property_int("playlist-pos");
+            int pos = core.get_property_int("playlist-pos");
-            int count = mp.get_property_int("playlist-count");
+            int count = core.get_property_int("playlist-count");
 
             if (pos < count - 1)
-                mp.set_property_int("playlist-pos", count - 1);
+                core.set_property_int("playlist-pos", count - 1);
         }
 
         public static void ShowHistory()
         {
-            if (File.Exists(mp.ConfigFolder + "history.txt"))
+            if (File.Exists(core.ConfigFolder + "history.txt"))
-                Process.Start(mp.ConfigFolder + "history.txt");
+                Process.Start(core.ConfigFolder + "history.txt");
             else
             {
                 if (Msg.ShowQuestion("Create history.txt file in config folder?",
                     "mpv.net will write the date, time and filename of opened files to it.") == MsgResult.OK)
 
-                    File.WriteAllText(mp.ConfigFolder + "history.txt", "");
+                    File.WriteAllText(core.ConfigFolder + "history.txt", "");
             }
         }
 
@@ -139,13 +139,13 @@ namespace mpvnet
             {
                 string performer, title, album, genre, date, duration, text = "";
                 long fileSize = 0;
-                string path = mp.get_property_string("path");
+                string path = core.get_property_string("path");
 
                 if (path.Contains("://"))
-                    path = mp.get_property_string("media-title");
+                    path = core.get_property_string("media-title");
 
-                int width = mp.get_property_int("video-params/w");
+                int width = core.get_property_int("video-params/w");
-                int height = mp.get_property_int("video-params/h");
+                int height = core.get_property_int("video-params/h");
 
                 if (File.Exists(path))
                 {
@@ -171,7 +171,7 @@ namespace mpvnet
                             text += "Size: " + mediaInfo.GetInfo(MediaInfoStreamKind.General, "FileSize/String") + "\n";
                             text += "Type: " + path.ShortExt().ToUpper();
 
-                            mp.commandv("show-text", text, "5000");
+                            core.commandv("show-text", text, "5000");
                             return;
                         }
                     }
@@ -185,16 +185,16 @@ namespace mpvnet
                                 "Size: " + mediaInfo.GetInfo(MediaInfoStreamKind.General, "FileSize/String") + "\n" +
                                 "Type: " + path.ShortExt().ToUpper();
 
-                            mp.commandv("show-text", text, "5000");
+                            core.commandv("show-text", text, "5000");
                             return;
                         }
                     }
                 }
 
-                TimeSpan position = TimeSpan.FromSeconds(mp.get_property_number("time-pos"));
+                TimeSpan position = TimeSpan.FromSeconds(core.get_property_number("time-pos"));
-                TimeSpan duration2 = TimeSpan.FromSeconds(mp.get_property_number("duration"));
+                TimeSpan duration2 = TimeSpan.FromSeconds(core.get_property_number("duration"));
-                string videoFormat = mp.get_property_string("video-format").ToUpper();
+                string videoFormat = core.get_property_string("video-format").ToUpper();
-                string audioCodec = mp.get_property_string("audio-codec-name").ToUpper();
+                string audioCodec = core.get_property_string("audio-codec-name").ToUpper();
 
                 text = path.FileName() + "\n" +
                     FormatTime(position.TotalMinutes) + ":" +
@@ -208,12 +208,12 @@ namespace mpvnet
 
                 text += $"{videoFormat}\n{audioCodec}";
 
-                mp.commandv("show-text", text, "5000");
+                core.commandv("show-text", text, "5000");
                 string FormatTime(double value) => ((int)value).ToString("00");
             }
             catch (Exception e)
             {
-                Msg.ShowException(e);
+                App.ShowException(e);
             }
         }
 
@@ -221,9 +221,12 @@ namespace mpvnet
         {
             InvokeOnMainThread(new Action(() => {
                 string command = VB.Interaction.InputBox("Enter a mpv command to be executed.", "Execute Command", RegistryHelp.GetString(App.RegPath, "RecentExecutedCommand"));
-                if (string.IsNullOrEmpty(command)) return;
+             
+                if (string.IsNullOrEmpty(command))
+                    return;
+
                 RegistryHelp.SetValue(App.RegPath, "RecentExecutedCommand", command);
-                mp.command(command, false);
+                core.command(command, false);
             }));
         }
         
@@ -231,12 +234,14 @@ namespace mpvnet
         {
             InvokeOnMainThread(new Action(() => {
                 string clipboard = System.Windows.Forms.Clipboard.GetText();
+
                 if (string.IsNullOrEmpty(clipboard) || (!clipboard.Contains("://") && !File.Exists(clipboard)) || clipboard.Contains("\n"))
                 {
-                    Msg.ShowError("The clipboard does not contain a valid URL or file, URLs have to contain :// and are not allowed to contain a newline character.");
+                    App.ShowError("No URL found", "The clipboard does not contain a valid URL or file.");
                     return;
                 }
-                mp.LoadFiles(new [] { clipboard }, false, Control.ModifierKeys.HasFlag(Keys.Control));
+
+                core.LoadFiles(new [] { clipboard }, false, Control.ModifierKeys.HasFlag(Keys.Control));
             }));
         }
 
@@ -245,7 +250,7 @@ namespace mpvnet
             InvokeOnMainThread(new Action(() => {
                 using (var d = new OpenFileDialog())
                 {
-                    string path = mp.get_property_string("path");
+                    string path = core.get_property_string("path");
 
                     if (File.Exists(path))
                         d.InitialDirectory = Path.GetDirectoryName(path);
@@ -254,7 +259,7 @@ namespace mpvnet
 
                     if (d.ShowDialog() == DialogResult.OK)
                         foreach (string filename in d.FileNames)
-                            mp.commandv("sub-add", filename);
+                            core.commandv("sub-add", filename);
                 }
             }));
         }
@@ -264,40 +269,40 @@ namespace mpvnet
             InvokeOnMainThread(new Action(() => {
                 using (var d = new OpenFileDialog())
                 {
-                    string path = mp.get_property_string("path");
+                    string path = core.get_property_string("path");
                     if (File.Exists(path))
                         d.InitialDirectory = Path.GetDirectoryName(path);
                     d.Multiselect = true;
 
                     if (d.ShowDialog() == DialogResult.OK)
                         foreach (string i in d.FileNames)
-                            mp.commandv("audio-add", i);
+                            core.commandv("audio-add", i);
                 }
             }));
         }
 
         public static void CycleAudio()
         {
-            string path = mp.get_property_string("path");
+            string path = core.get_property_string("path");
 
             if (!File.Exists(path))
                 return;
 
             using (MediaInfo mi = new MediaInfo(path))
             {
-                MediaTrack[] audTracks = mp.MediaTracks.Where(track => track.Type == "a").ToArray();
+                MediaTrack[] audTracks = core.MediaTracks.Where(track => track.Type == "a").ToArray();
 
                 if (audTracks.Length < 2)
                     return;
 
-                int aid = mp.get_property_int("aid");
+                int aid = core.get_property_int("aid");
                 aid += 1;
 
                 if (aid > audTracks.Length)
                     aid = 1;
 
-                mp.commandv("set", "aid", aid.ToString());
+                core.commandv("set", "aid", aid.ToString());
-                mp.commandv("show-text", audTracks[aid - 1].Text.Substring(3), "5000");
+                core.commandv("show-text", audTracks[aid - 1].Text.Substring(3), "5000");
             }
         }
 
@@ -317,7 +322,7 @@ namespace mpvnet
                     ''
                 }";
 
-            string json = mp.get_property_string("profile-list");
+            string json = core.get_property_string("profile-list");
             string file = Path.GetTempPath() + @"\mpv profile-list.txt";
             File.WriteAllText(file, BR + PowerShell.InvokeAndReturnString(code, "json", json));
             Process.Start(file);
@@ -344,7 +349,7 @@ namespace mpvnet
                     }
                 }";
 
-            string json = mp.get_property_string("command-list");
+            string json = core.get_property_string("command-list");
             string file = Path.GetTempPath() + @"\mpv command-list.txt";
             File.WriteAllText(file, PowerShell.InvokeAndReturnString(code, "json", json) + BR);
             Process.Start(file);
@@ -353,7 +358,7 @@ namespace mpvnet
         static void ShowProperties()
         {
             string file = Path.GetTempPath() + @"\mpv property-list.txt";
-            var props = mp.get_property_string("property-list").Split(',').OrderBy(prop => prop);
+            var props = core.get_property_string("property-list").Split(',').OrderBy(prop => prop);
             File.WriteAllText(file, BR + string.Join(BR, props) + BR);
             Process.Start(file);
         }

mpv.net/Misc/Extension.cs

@@ -1,10 +1,13 @@
-using System;
+
+using System;
 using System.Collections.Generic;
 using System.ComponentModel.Composition;
 using System.ComponentModel.Composition.Hosting;
 using System.IO;
 using System.Linq;
 
+using static mpvnet.Core;
+
 namespace mpvnet
 {
     public class Extension
@@ -25,20 +28,23 @@ namespace mpvnet
                 {
                     string[] knownExtensions = { "RatingExtension", "ScriptingExtension" };
 
-                    foreach (string path in Directory.GetDirectories(dir))
+                    foreach (string extDir in Directory.GetDirectories(dir))
                     {
-                        if (knownExtensions.Contains(Path.GetFileName(path)))
+                        if (knownExtensions.Contains(Path.GetFileName(extDir)))
-                            catalog.Catalogs.Add(new DirectoryCatalog(path, "*Extension.dll"));
+                            catalog.Catalogs.Add(new DirectoryCatalog(extDir, Path.GetFileName(extDir) + ".dll"));
                         else
-                            Msg.ShowError("Failed to load extension", path + "\n\nOnly extensions that ship with mpv.net are allowed in <startup>\\extensions\n\nUser extensions have to use <config folder>\\extensions\n\nNever copy or install a new mpv.net version over a old mpv.net version.");
+                            ConsoleHelp.WriteError("Failed to load extension:\n\n" +  extDir +
+                                "\n\nOnly extensions that ship with mpv.net are allowed in <startup>\\extensions" +
+                                "\n\nUser extensions have to use <config folder>\\extensions" +
+                                "\n\nNever copy or install a new mpv.net version over a old mpv.net version.");
                     }
                 }
 
-                dir = mp.ConfigFolder + "extensions";
+                dir = core.ConfigFolder + "extensions";
 
                 if (Directory.Exists(dir))
-                    foreach (string i in Directory.GetDirectories(dir))
+                    foreach (string extDir in Directory.GetDirectories(dir))
-                        catalog.Catalogs.Add(new DirectoryCatalog(i, "*Extension.dll"));
+                        catalog.Catalogs.Add(new DirectoryCatalog(extDir, Path.GetFileName(extDir) + ".dll"));
 
                 if (catalog.Catalogs.Count > 0)
                 {
@@ -48,7 +54,7 @@ namespace mpvnet
             }
             catch (Exception ex)
             {
-                Msg.ShowException(ex);
+                App.ShowException(ex);
             }
         }
     }

mpv.net/Misc/Help.cs

@@ -6,7 +6,10 @@ public static class ConsoleHelp
 {
     public static int Padding { get; set; }
 
-    public static void WriteError(object obj, string module = null) => Write(obj, module, ConsoleColor.Red, false);    
+    public static void WriteError(object obj, string module = "mpv.net")
+    {
+        Write(obj, module, ConsoleColor.Red, false);    
+    }
 
     public static void Write(object obj, string module = "mpv.net")
     {

mpv.net/Misc/Misc.cs

@@ -14,6 +14,8 @@ using System.Windows.Forms;
 
 using Microsoft.Win32;
 
+using static mpvnet.Core;
+
 namespace mpvnet
 {
     public class Sys
@@ -186,7 +188,7 @@ namespace mpvnet
         public static ObservableCollection<CommandItem> Items {
             get {
                 if (_Items is null)
-                    _Items = GetItems(File.ReadAllText(mp.InputConfPath));
+                    _Items = GetItems(File.ReadAllText(core.InputConfPath));
 
                 return _Items;
             }

mpv.net/Misc/PowerShell.cs

@@ -0,0 +1,244 @@
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Management.Automation;
+using System.Management.Automation.Runspaces;
+using System.Threading;
+using System.Threading.Tasks;
+
+using static mpvnet.Core;
+using static NewLine;
+
+namespace mpvnet
+{
+    public class PowerShell
+    {
+        public Runspace Runspace { get; set; }
+        public Pipeline Pipeline { get; set; }
+        public string Module { get; set; }
+        public bool Print { get; set; }
+        public List<string> Scripts { get; } = new List<string>();
+        public List<KeyValuePair<string, object>> Variables = new List<KeyValuePair<string, object>>();
+        public string[] Parameters { get; }
+        public event Action<string, object[]> Event;
+        public event Action<string, object> PropertyChanged;
+        public List<KeyValuePair<string, ScriptBlock>> EventHandlers = new List<KeyValuePair<string, ScriptBlock>>();
+        public List<KeyValuePair<string, ScriptBlock>> PropChangedHandlers = new List<KeyValuePair<string, ScriptBlock>>();
+
+        public static List<PowerShell> Instances { get; } = new List<PowerShell>();
+
+        public object Invoke() => Invoke(null, null);
+
+        public object Invoke(string variable, object obj)
+        {
+            try
+            {
+                Runspace = RunspaceFactory.CreateRunspace();
+                Runspace.ApartmentState = ApartmentState.STA;
+                Runspace.Open();
+                Pipeline = Runspace.CreatePipeline();
+
+                foreach (string script in Scripts)
+                    Pipeline.Commands.AddScript(script);
+
+                if (Parameters != null)
+                    foreach (string param in Parameters)
+                        foreach (Command command in Pipeline.Commands)
+                            command.Parameters.Add(null, param);
+
+                Runspace.SessionStateProxy.SetVariable("mp", this);
+
+                foreach (var i in Variables)
+                    Runspace.SessionStateProxy.SetVariable(i.Key, i.Value);
+
+                if (!string.IsNullOrEmpty(variable))
+                    Runspace.SessionStateProxy.SetVariable(variable, obj);
+
+                if (Print)
+                {
+                    Pipeline.Output.DataReady += Output_DataReady;
+                    Pipeline.Error.DataReady += Error_DataReady;
+                }
+            
+                return Pipeline.Invoke();
+            }
+            catch (RuntimeException e)
+            {
+                string message = e.Message + BR + BR + e.ErrorRecord.ScriptStackTrace.Replace(
+                    " <ScriptBlock>, <No file>", "") + BR + BR + Module + BR;
+
+                throw new PowerShellException(message);
+            }
+            catch (Exception e)
+            {
+                throw e;
+            }        
+        }
+
+        public static string InvokeAndReturnString(string code, string varName, object varValue)
+        {
+            PowerShell ps = new PowerShell() { Print = false };
+            ps.Scripts.Add(code);
+            string ret = string.Join(Environment.NewLine, (ps.Invoke(varName, varValue)
+                as IEnumerable<object>).Select(item => item.ToString())).ToString();
+            ps.Runspace.Dispose();
+            return ret;
+        }
+
+        public void Output_DataReady(object sender, EventArgs e)
+        {
+            var output = sender as PipelineReader<PSObject>;
+
+            while (output.Count > 0)
+                ConsoleHelp.Write(output.Read(), Module);
+        }
+
+        public void Error_DataReady(object sender, EventArgs e)
+        {
+            var output = sender as PipelineReader<Object>;
+
+            while (output.Count > 0)
+                ConsoleHelp.WriteError(output.Read(), Module);
+        }
+
+        public void RedirectStreams(PSEventJob job)
+        {
+            if (Print)
+            {
+                job.Output.DataAdded += Output_DataAdded;
+                job.Error.DataAdded += Error_DataAdded;
+            }
+        }
+
+        public void commandv(params string[] args) => core.commandv(args);
+
+        public void command(string command) => core.command(command);
+
+        public bool get_property_bool(string name) => core.get_property_bool(name);
+
+        public void set_property_bool(string name, bool value) => core.set_property_bool(name, value);
+
+        public int get_property_int(string name) => core.get_property_int(name);
+
+        public void set_property_int(string name, int value) => core.set_property_int(name, value);
+
+        public double get_property_number(string name) => core.get_property_number(name);
+
+        public void set_property_number(string name, double value) => core.set_property_number(name, value);
+
+        public string get_property_string(string name) => core.get_property_string(name);
+
+        public void set_property_string(string name, string value) => core.set_property_string(name, value);
+
+        public void observe_property(string name, string type, ScriptBlock sb)
+        {
+            PropChangedHandlers.Add(new KeyValuePair<string, ScriptBlock>(name, sb));
+
+            switch (type)
+            {
+                case "bool": case "boolean":
+                    core.observe_property_bool(name, (value) => Task.Run(() => PropertyChanged.Invoke(name, value)));
+                    break;
+                case "string":
+                    core.observe_property_string(name, (value) => Task.Run(() => PropertyChanged.Invoke(name, value)));
+                    break;
+                case "int": case "integer":
+                    core.observe_property_int(name, (value) => Task.Run(() => PropertyChanged.Invoke(name, value)));
+                    break;
+                case "float": case "double":
+                    core.observe_property_double(name, (value) => Task.Run(() => PropertyChanged.Invoke(name, value)));
+                    break;
+                case "nil": case "none": case "native":
+                    core.observe_property(name, () => Task.Run(() => PropertyChanged.Invoke(name, null)));
+                    break;
+                default:
+                    App.ShowError("Invalid Type", "Valid types are: bool or boolean, string, int or integer, float or double, nil or none or native");
+                    break;
+            }
+        }
+
+        public void register_event(string name, ScriptBlock sb)
+        {
+            EventHandlers.Add(new KeyValuePair<string, ScriptBlock>(name, sb));
+
+            switch (name)
+            {
+                case "log-message":
+                    core.LogMessageAsync += (level, msg) => Event.Invoke("log-message", new object[] { level, msg });
+                    break;
+
+                case "end-file":
+                    core.EndFileAsync += (reason) => Event.Invoke("end-file", new object[] { reason });
+                    break;
+
+                case "client-message":
+                    core.ClientMessageAsync += (args) => Event.Invoke("client-message", args);
+                    break;
+
+                case "shutdown":
+                    core.Shutdown += () => Event.Invoke("shutdown", null);
+                    break;
+
+                case "get-property-reply":
+                    core.GetPropertyReplyAsync += () => Event.Invoke("get-property-reply", null);
+                    break;
+
+                case "set-property-reply":
+                    core.SetPropertyReplyAsync += () => Event.Invoke("set-property-reply", null);
+                    break;
+
+                case "command-reply":
+                    core.CommandReplyAsync += () => Event.Invoke("command-reply", null);
+                    break;
+
+                case "start-file":
+                    core.StartFileAsync += () => Event.Invoke("start-file", null);
+                    break;
+
+                case "file-loaded":
+                    core.FileLoadedAsync += () => Event.Invoke("file-loaded", null);
+                    break;
+
+                case "idle":
+                    core.IdleAsync += () => Event.Invoke("idle", null);
+                    break;
+
+                case "video-reconfig":
+                    core.VideoReconfigAsync += () => Event.Invoke("video-reconfig", null);
+                    break;
+
+                case "audio-reconfig":
+                    core.AudioReconfigAsync += () => Event.Invoke("audio-reconfig", null);
+                    break;
+
+                case "seek":
+                    core.SeekAsync += () => Event.Invoke("seek", null);
+                    break;
+
+                case "playback-restart":
+                    core.PlaybackRestartAsync += () => Event.Invoke("playback-restart", null);
+                    break;
+            }
+        }
+
+        void Output_DataAdded(object sender, DataAddedEventArgs e)
+        {
+            var output = sender as PSDataCollection<PSObject>;
+            ConsoleHelp.Write(output[e.Index], Module);
+        }
+
+        void Error_DataAdded(object sender, DataAddedEventArgs e)
+        {
+            var error = sender as PSDataCollection<ErrorRecord>;
+            ConsoleHelp.WriteError(error[e.Index], Module);
+        }
+    }
+
+    public class PowerShellException : Exception
+    {
+        public PowerShellException(string message) : base(message)
+        {
+        }
+    }
+}

mpv.net/Misc/Program.cs

@@ -6,6 +6,8 @@ using System.Collections.Generic;
 using System.Threading;
 using System.Diagnostics;
 
+using static mpvnet.Core;
+
 namespace mpvnet
 {
     static class Program
@@ -21,7 +23,7 @@ namespace mpvnet
                 if (App.IsStartedFromTerminal)
                     WinAPI.AttachConsole(-1 /*ATTACH_PARENT_PROCESS*/);
 
-                if (mp.ConfigFolder == "")
+                if (core.ConfigFolder == "")
                     return;
 
                 string[] args = Environment.GetCommandLineArgs().Skip(1).ToArray();

mpv.net/Misc/Theme.cs

@@ -45,7 +45,7 @@ namespace UI
                         if (!theme.Dictionary.ContainsKey(key))
                         {
                             isKeyMissing = true;
-                            ConsoleHelp.WriteError($"Theme '{activeTheme}' misses '{key}'", "mpv.net");
+                            ConsoleHelp.WriteError($"Theme '{activeTheme}' misses '{key}'");
                             break;
                         }
                     }

mpv.net/Misc/UpdateCheck.cs

@@ -6,6 +6,8 @@ using System.Reflection;
 using System.Text.RegularExpressions;
 using System.Windows.Forms;
 
+using static mpvnet.Core;
+
 namespace mpvnet
 {
     class UpdateCheck
@@ -61,7 +63,7 @@ namespace mpvnet
                             proc.Start();
                         }
 
-                        mp.command("quit");
+                        core.command("quit");
                     }
 
                     RegistryHelp.SetValue(RegistryHelp.ApplicationKey, "UpdateCheckVersion", onlineVersion.ToString());

mpv.net/Properties/AssemblyInfo.cs

@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("5.4.5.0")]
+[assembly: AssemblyVersion("5.4.6.0")]
-[assembly: AssemblyFileVersion("5.4.5.0")]
+[assembly: AssemblyFileVersion("5.4.6.0")]

mpv.net/Scripting/IronPython.cs

@@ -1,61 +0,0 @@
-
-using System;
-using System.IO;
-using System.Reflection;
-
-using Microsoft.Scripting;
-using Microsoft.Scripting.Hosting;
-
-using IronPython.Hosting;
-using IronPython.Runtime;
-using IronPython.Runtime.Operations;
-
-namespace mpvnet
-{
-    public class PythonScript
-    {
-        ScriptEngine engine;
-        ScriptScope scope;
-
-        public PythonScript(string scriptPath)
-        {
-            try
-            {
-                engine = Python.CreateEngine();
-                scope = engine.CreateScope();
-                scope.ImportModule("clr");
-                engine.Execute("import clr", scope);
-                engine.Execute("clr.AddReference(\"mpvnet\")", scope);
-                engine.Execute("import mpvnet", scope);
-                engine.Execute("from mpvnet import *", scope);
-                engine.Execute(File.ReadAllText(scriptPath), scope);
-            }
-            catch (Exception ex)
-            {
-                if (ex is SyntaxErrorException e)
-                    Msg.ShowError(e.GetType().Name,$"{e.Line}, {e.Column}: " + e.Message + "\n\n" + Path.GetFileName(scriptPath));
-                else
-                    Msg.ShowError(ex.GetType().Name, ex.Message + "\n\n" + Path.GetFileName(scriptPath));
-            }
-        }
-    }
-
-    public class PythonEventObject
-    {
-        public PythonFunction PythonFunction { get; set; }
-        public EventInfo EventInfo { get; set; }
-        public Delegate Delegate { get; set; }
-
-        public void Invoke() => PythonCalls.Call(PythonFunction);
-
-        public void InvokeEndFileEventMode(EndFileEventMode arg)
-        {
-            PythonCalls.Call(PythonFunction, new[] { arg });
-        }
-
-        public void InvokeStrings(string[] arg)
-        {
-            PythonCalls.Call(PythonFunction, new[] { arg });
-        }
-    }
-}

mpv.net/Scripting/PowerShell.cs

@@ -1,123 +0,0 @@
-
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Management.Automation;
-using System.Management.Automation.Runspaces;
-using System.Threading;
-
-namespace ScriptHost
-{
-    public class PowerShell
-    {
-        public Runspace Runspace { get; set; }
-        public Pipeline Pipeline { get; set; }
-        public string Module { get; set; }
-        public bool Print { get; set; }
-        public List<string> Scripts { get; } = new List<string>();
-        public string[] Parameters { get; }
-
-        public static List<PowerShell> Instances { get; } = new List<PowerShell>();
-
-        string NL = Environment.NewLine;
-
-        public object Invoke() => Invoke(null, null);
-
-        public object Invoke(string variable, object obj)
-        {
-            try
-            {
-                Runspace = RunspaceFactory.CreateRunspace();
-                Runspace.ApartmentState = ApartmentState.STA;
-                Runspace.Open();
-                Pipeline = Runspace.CreatePipeline();
-
-                foreach (string script in Scripts)
-                    Pipeline.Commands.AddScript(script);
-
-                if (Parameters != null)
-                    foreach (string param in Parameters)
-                        foreach (Command command in Pipeline.Commands)
-                            command.Parameters.Add(null, param);
-
-                Runspace.SessionStateProxy.SetVariable("ScriptHost", this);
-
-                if (!string.IsNullOrEmpty(variable))
-                    Runspace.SessionStateProxy.SetVariable(variable, obj);
-
-                if (Print)
-                {
-                    Pipeline.Output.DataReady += Output_DataReady;
-                    Pipeline.Error.DataReady += Error_DataReady;
-                }
-            
-                return Pipeline.Invoke();
-            }
-            catch (RuntimeException e)
-            {
-                string message = e.Message + NL + NL + e.ErrorRecord.ScriptStackTrace.Replace(
-                    " <ScriptBlock>, <No file>", "") + NL + NL + Module + NL;
-
-                throw new PowerShellException(message);
-            }
-            catch (Exception e)
-            {
-                throw e;
-            }        
-        }
-
-        public static string InvokeAndReturnString(string code, string varName, object varValue)
-        {
-            PowerShell ps = new PowerShell() { Print = false };
-            ps.Scripts.Add(code);
-            string ret = string.Join(Environment.NewLine, (ps.Invoke(varName, varValue)
-                as IEnumerable<object>).Select(item => item.ToString())).ToString();
-            ps.Runspace.Dispose();
-            return ret;
-        }
-
-        public void Output_DataReady(object sender, EventArgs e)
-        {
-            var output = sender as PipelineReader<PSObject>;
-
-            while (output.Count > 0)
-                ConsoleHelp.Write(output.Read(), Module);
-        }
-
-        public void Error_DataReady(object sender, EventArgs e)
-        {
-            var output = sender as PipelineReader<Object>;
-
-            while (output.Count > 0)
-                ConsoleHelp.WriteError(output.Read(), Module);
-        }
-
-        public void RedirectEventJobStreams(PSEventJob job)
-        {
-            if (Print)
-            {
-                job.Output.DataAdded += Output_DataAdded;
-                job.Error.DataAdded += Error_DataAdded;
-            }
-        }
-
-        void Output_DataAdded(object sender, DataAddedEventArgs e)
-        {
-            var output = sender as PSDataCollection<PSObject>;
-            ConsoleHelp.Write(output[e.Index], Module);
-        }
-
-        void Error_DataAdded(object sender, DataAddedEventArgs e)
-        {
-            var error = sender as PSDataCollection<ErrorRecord>;
-            ConsoleHelp.WriteError(error[e.Index], Module);
-        }
-    }
-
-    public class PowerShellException : Exception
-    {
-        public PowerShellException(string message) : base(message)
-        {
-        }
-    }
-}

mpv.net/Update.ps1

@@ -1,23 +1,67 @@
 
 $ErrorActionPreference = 'Stop'
-$targetDir = (Split-Path $args[1]) + "\new version"
+
+if ($args.Length -ne 2) {
+    Write-Host 'Invalid arguments' -ForegroundColor Red
+    exit
+}
+
+if (-not (Get-Command curl.exe)) {
+    Write-Host 'Error using curl.exe' -ForegroundColor Red
+    exit
+}
+
+if ($PSVersionTable.PSVersion.Major -lt 5) {
+    Write-Host 'PowerShell 5.1 not found' -ForegroundColor Red
+    exit
+}
+
+Add-Type -AssemblyName Microsoft.VisualBasic
+
+# Delete directory using recycle bin
+function Remove-Directory($directory) {
+    if (Test-Path $directory) {
+        [Microsoft.VisualBasic.FileIO.FileSystem]::
+            DeleteDirectory($directory, 'OnlyErrorDialogs', 'SendToRecycleBin')
+    }
+}
+
+$currentDir = $args[1];
+
+$targetDir = (Split-Path $currentDir) + "\new version"
+Remove-Directory $targetDir
 $targetFile = $targetDir + '.7z'
+Remove-Item $targetFile -Force -ErrorAction Ignore
 
 Write-Host 'Download new version' -ForegroundColor Green
 curl.exe $args[0] --location --output $targetFile
 if ($LastExitCode) { throw $LastExitCode }
 
 Write-Host 'Unpack new version' -ForegroundColor Green
-& ($args[1] + '\7z\7za.exe') x -y $targetFile -o"$targetDir"
+& ($currentDir + '\7z\7za.exe') x -y $targetFile -o"$targetDir"
 if ($LastExitCode) { throw $LastExitCode }
 
 Write-Host 'Delete downloaded file' -ForegroundColor Green
 Remove-Item $targetFile -Force -Recurse
 
+$portableConfigDir = $currentDir + '\portable_config'
+$portableConfigTempDir = (Split-Path $currentDir) + '\portable config dir temp'
+Remove-Item $portableConfigTempDir -Force -ErrorAction Ignore
+
+if (Test-Path $portableConfigDir) {
+    Write-Host 'Backup portable config' -ForegroundColor Green
+    Copy-Item $portableConfigDir $portableConfigTempDir -Recurse -Force
+}
+
 Write-Host 'Delete current version' -ForegroundColor Green
-Remove-Item $args[1] -Force -Recurse
+Remove-Directory $currentDir
 
 Write-Host 'Rename directory' -ForegroundColor Green
-Rename-Item $targetDir (Split-Path $args[1] -Leaf)
+Rename-Item $targetDir (Split-Path $currentDir -Leaf)
+
+if (Test-Path $portableConfigTempDir) {
+    Write-Host 'Restore portable config' -ForegroundColor Green
+    Move-Item $portableConfigTempDir $portableConfigDir -Force
+}
 
 Write-Host 'Update is complete' -ForegroundColor Green

mpv.net/WPF/AboutWindow.xaml.cs

@@ -1,7 +1,10 @@
-using System.IO;
+
+using System.IO;
 using System.Windows;
 using System.Windows.Input;
 
+using static mpvnet.Core;
+
 namespace mpvnet
 {
     public partial class AboutWindow : Window
@@ -10,7 +13,7 @@ namespace mpvnet
         {
             InitializeComponent();
             Version.Text = $"mpv.net Version {System.Windows.Forms.Application.ProductVersion} ({File.GetLastWriteTime(System.Windows.Forms.Application.ExecutablePath).ToShortDateString()})";
-            mpvVersion.Text = $"{mp.get_property_string("mpv-version")} ({File.GetLastWriteTime(Folder.Startup + "mpv-1.dll").ToShortDateString()})";
+            mpvVersion.Text = $"{core.get_property_string("mpv-version")} ({File.GetLastWriteTime(Folder.Startup + "mpv-1.dll").ToShortDateString()})";
         }
 
         protected override void OnPreviewKeyDown(KeyEventArgs e) => Close();

mpv.net/WPF/CommandPaletteWindow.xaml.cs

@@ -6,6 +6,8 @@ using System.Windows.Data;
 using System.Windows.Input;
 using System.Windows.Interop;
 
+using static mpvnet.Core;
+
 namespace mpvnet
 {
     public partial class CommandPaletteWindow : Window
@@ -106,7 +108,7 @@ namespace mpvnet
             {
                 CommandItem item = ListView.SelectedItem as CommandItem;
                 Close();
-                mp.command(item.Command);
+                core.command(item.Command);
             }
         }
 

mpv.net/WPF/ConfWindow.xaml.cs

@@ -11,6 +11,7 @@ using System.Windows.Controls;
 using System.Windows.Input;
 
 using DynamicGUI;
+using static mpvnet.Core;
 
 namespace mpvnet
 {
@@ -26,7 +27,7 @@ namespace mpvnet
             InitializeComponent();
             DataContext = this;
             SearchControl.SearchTextBox.TextChanged += SearchTextBox_TextChanged;
-            LoadConf(mp.ConfPath);
+            LoadConf(core.ConfPath);
             LoadConf(App.ConfPath);
             LoadSettings();
             InitialContent = GetCompareString();
@@ -74,7 +75,7 @@ namespace mpvnet
             if (InitialContent == GetCompareString())
                 return;
             
-            File.WriteAllText(mp.ConfPath, GetContent("mpv"));
+            File.WriteAllText(core.ConfPath, GetContent("mpv"));
             File.WriteAllText(App.ConfPath, GetContent("mpvnet"));
             Msg.Show("Changes will be available on next mpv.net startup.");            
         }
@@ -293,7 +294,7 @@ namespace mpvnet
 
         void OpenSettingsTextBlock_MouseUp(object sender, MouseButtonEventArgs e)
         {
-            Process.Start(Path.GetDirectoryName(mp.ConfPath));
+            Process.Start(Path.GetDirectoryName(core.ConfPath));
         }
 
         void PreviewTextBlock_MouseUp(object sender, MouseButtonEventArgs e)

mpv.net/WPF/EverythingWindow.xaml.cs

@@ -10,6 +10,8 @@ using System.Windows.Controls;
 using System.Windows.Input;
 using System.Windows.Interop;
 
+using static mpvnet.Core;
+
 namespace mpvnet
 {
     public partial class EverythingWindow : Window
@@ -103,7 +105,7 @@ namespace mpvnet
         void Execute()
         {
             if (ListView.SelectedItem != null)
-                mp.LoadFiles(new[] { ListView.SelectedItem as string }, true, Keyboard.Modifiers == ModifierKeys.Control);
+                core.LoadFiles(new[] { ListView.SelectedItem as string }, true, Keyboard.Modifiers == ModifierKeys.Control);
 
             Keyboard.Focus(FilterTextBox);
         }

mpv.net/WPF/InputWindow.xaml.cs

@@ -8,6 +8,8 @@ using System.Windows.Controls;
 using System.Windows.Data;
 using System.Windows.Input;
 
+using static mpvnet.Core;
+
 namespace mpvnet
 {
     public partial class InputWindow : Window
@@ -123,7 +125,7 @@ namespace mpvnet
         void Window_Closed(object sender, EventArgs e)
         {
             if (InitialInputConfContent == GetInputConfContent()) return;
-            File.WriteAllText(mp.InputConfPath, GetInputConfContent());
+            File.WriteAllText(core.InputConfPath, GetInputConfContent());
             Msg.Show("Changes will be available on next mpv.net startup.");
         }
 

mpv.net/WPF/LearnWindow.xaml.cs

@@ -6,6 +6,7 @@ using System.Windows.Input;
 using System.Windows.Interop;
 
 using WinForms = System.Windows.Forms;
+using static mpvnet.Core;
 
 namespace mpvnet
 {
@@ -183,7 +184,7 @@ namespace mpvnet
                 OnKeyUp(new WinForms.KeyEventArgs((WinForms.Keys)(unchecked((int)(long)m.WParam)) | ModifierKeys));
             else if (m.Msg == WM_APPCOMMAND)
             {
-                if (!mp.get_property_bool("input-media-keys"))
+                if (!core.get_property_bool("input-media-keys"))
                     return;
 
                 var value = (AppCommand)(m.LParam.ToInt64() >> 16 & ~0xf000);

mpv.net/WinForms/MainForm.cs

@@ -12,7 +12,7 @@ using System.Diagnostics;
 using System.Threading.Tasks;
 
 using UI;
-using ScriptHost;
+using static mpvnet.Core;
 
 namespace mpvnet
 {
@@ -47,30 +47,30 @@ namespace mpvnet
                 Instance = this;
                 Hwnd = Handle;
                 ConsoleHelp.Padding = 60;
-                mp.Init();
+                core.Init();
 
-                mp.Shutdown += Shutdown;
+                core.Shutdown += Shutdown;
-                mp.VideoSizeChanged += VideoSizeChanged;
+                core.VideoSizeChanged += VideoSizeChanged;
-                mp.FileLoaded += FileLoaded;
+                core.FileLoaded += FileLoaded;
-                mp.Idle += Idle;
+                core.Idle += Idle;
-                mp.Seek += () => UpdateProgressBar();
+                core.Seek += () => UpdateProgressBar();
 
-                mp.observe_property("window-maximized", PropChangeWindowMaximized);
+                core.observe_property("window-maximized", PropChangeWindowMaximized);
-                mp.observe_property("window-minimized", PropChangeWindowMinimized);
+                core.observe_property("window-minimized", PropChangeWindowMinimized);
-                mp.observe_property_bool("pause", PropChangePause);
+                core.observe_property_bool("pause", PropChangePause);
-                mp.observe_property_bool("fullscreen", PropChangeFullscreen);
+                core.observe_property_bool("fullscreen", PropChangeFullscreen);
-                mp.observe_property_bool("ontop", PropChangeOnTop);
+                core.observe_property_bool("ontop", PropChangeOnTop);
-                mp.observe_property_bool("border", PropChangeBorder);
+                core.observe_property_bool("border", PropChangeBorder);
 
-                mp.observe_property_string("sid", PropChangeSid);
+                core.observe_property_string("sid", PropChangeSid);
-                mp.observe_property_string("aid", PropChangeAid);
+                core.observe_property_string("aid", PropChangeAid);
-                mp.observe_property_string("vid", PropChangeVid);
+                core.observe_property_string("vid", PropChangeVid);
 
-                mp.observe_property_int("edition", PropChangeEdition);
+                core.observe_property_int("edition", PropChangeEdition);
-                mp.observe_property_double("window-scale", PropChangeWindowScale);
+                core.observe_property_double("window-scale", PropChangeWindowScale);
                 
-                if (mp.GPUAPI != "vulkan")
+                if (core.GPUAPI != "vulkan")
-                    mp.ProcessCommandLine(false);
+                    core.ProcessCommandLine(false);
 
                 AppDomain.CurrentDomain.UnhandledException += (sender, e) => App.ShowException(e.ExceptionObject);
                 Application.ThreadException += (sender, e) => App.ShowException(e.Exception);
@@ -82,10 +82,10 @@ namespace mpvnet
                 ContextMenu.Opened += ContextMenu_Opened;
                 ContextMenu.Opening += ContextMenu_Opening;
 
-                if (mp.Screen == -1)
+                if (core.Screen == -1)
-                    mp.Screen = Array.IndexOf(Screen.AllScreens, Screen.PrimaryScreen);
+                    core.Screen = Array.IndexOf(Screen.AllScreens, Screen.PrimaryScreen);
 
-                int targetIndex = mp.Screen;
+                int targetIndex = core.Screen;
                 Screen[] screens = Screen.AllScreens;
 
                 if (targetIndex < 0)
@@ -99,7 +99,7 @@ namespace mpvnet
                 Left = target.X + (target.Width - Width) / 2;
                 Top = target.Y + (target.Height - Height) / 2;
 
-                if (!mp.Border)
+                if (!core.Border)
                     FormBorderStyle = FormBorderStyle.None;
 
                 int posX = RegistryHelp.GetInt(App.RegPath, "PosX");
@@ -111,13 +111,13 @@ namespace mpvnet
                     Top = posY - Height / 2;
                 }
 
-                if (mp.WindowMaximized)
+                if (core.WindowMaximized)
                 {
                     SetFormPosAndSize(1, true);
                     WindowState = FormWindowState.Maximized;
                 }
 
-                if (mp.WindowMinimized)
+                if (core.WindowMinimized)
                 {
                     SetFormPosAndSize(1, true);
                     WindowState = FormWindowState.Minimized;
@@ -163,7 +163,7 @@ namespace mpvnet
 
         void ContextMenu_Opening(object sender, CancelEventArgs e)
         {
-            lock (mp.MediaTracks)
+            lock (core.MediaTracks)
             {
                 MenuItem trackMenuItem = FindMenuItem("Track");
 
@@ -171,16 +171,16 @@ namespace mpvnet
                 {
                     trackMenuItem.DropDownItems.Clear();
 
-                    MediaTrack[] audTracks = mp.MediaTracks.Where(track => track.Type == "a").ToArray();
+                    MediaTrack[] audTracks = core.MediaTracks.Where(track => track.Type == "a").ToArray();
-                    MediaTrack[] subTracks = mp.MediaTracks.Where(track => track.Type == "s").ToArray();
+                    MediaTrack[] subTracks = core.MediaTracks.Where(track => track.Type == "s").ToArray();
-                    MediaTrack[] vidTracks = mp.MediaTracks.Where(track => track.Type == "v").ToArray();
+                    MediaTrack[] vidTracks = core.MediaTracks.Where(track => track.Type == "v").ToArray();
-                    MediaTrack[] ediTracks = mp.MediaTracks.Where(track => track.Type == "e").ToArray();
+                    MediaTrack[] ediTracks = core.MediaTracks.Where(track => track.Type == "e").ToArray();
 
                     foreach (MediaTrack track in vidTracks)
                     {
                         MenuItem mi = new MenuItem(track.Text);
-                        mi.Action = () => mp.commandv("set", "vid", track.ID.ToString());
+                        mi.Action = () => core.commandv("set", "vid", track.ID.ToString());
-                        mi.Checked = mp.Vid == track.ID.ToString();
+                        mi.Checked = core.Vid == track.ID.ToString();
                         trackMenuItem.DropDownItems.Add(mi);
                     }
 
@@ -190,8 +190,8 @@ namespace mpvnet
                     foreach (MediaTrack track in audTracks)
                     {
                         MenuItem mi = new MenuItem(track.Text);
-                        mi.Action = () => mp.commandv("set", "aid", track.ID.ToString());
+                        mi.Action = () => core.commandv("set", "aid", track.ID.ToString());
-                        mi.Checked = mp.Aid == track.ID.ToString();
+                        mi.Checked = core.Aid == track.ID.ToString();
                         trackMenuItem.DropDownItems.Add(mi);
                     }
 
@@ -201,16 +201,16 @@ namespace mpvnet
                     foreach (MediaTrack track in subTracks)
                     {
                         MenuItem mi = new MenuItem(track.Text);
-                        mi.Action = () => mp.commandv("set", "sid", track.ID.ToString());
+                        mi.Action = () => core.commandv("set", "sid", track.ID.ToString());
-                        mi.Checked = mp.Sid == track.ID.ToString();
+                        mi.Checked = core.Sid == track.ID.ToString();
                         trackMenuItem.DropDownItems.Add(mi);
                     }
 
                     if (subTracks.Length > 0)
                     {
                         MenuItem mi = new MenuItem("S: No subtitles");
-                        mi.Action = () => mp.commandv("set", "sid", "no");
+                        mi.Action = () => core.commandv("set", "sid", "no");
-                        mi.Checked = mp.Sid == "no";
+                        mi.Checked = core.Sid == "no";
                         trackMenuItem.DropDownItems.Add(mi);
                     }
 
@@ -220,14 +220,14 @@ namespace mpvnet
                     foreach (MediaTrack track in ediTracks)
                     {
                         MenuItem mi = new MenuItem(track.Text);
-                        mi.Action = () => mp.commandv("set", "edition", track.ID.ToString());
+                        mi.Action = () => core.commandv("set", "edition", track.ID.ToString());
-                        mi.Checked = mp.Edition == track.ID;
+                        mi.Checked = core.Edition == track.ID;
                         trackMenuItem.DropDownItems.Add(mi);
                     }
                 }
             }
 
-            lock (mp.Chapters)
+            lock (core.Chapters)
             {
                 MenuItem chaptersMenuItem = FindMenuItem("Chapters");
 
@@ -235,11 +235,11 @@ namespace mpvnet
                 {
                     chaptersMenuItem.DropDownItems.Clear();
 
-                    foreach (var i in mp.Chapters)
+                    foreach (var i in core.Chapters)
                     {
                         MenuItem mi = new MenuItem(i.Key);
                         mi.ShortcutKeyDisplayString = TimeSpan.FromSeconds(i.Value).ToString().Substring(0, 8) + "     ";
-                        mi.Action = () => mp.commandv("seek", i.Value.ToString(CultureInfo.InvariantCulture), "absolute");
+                        mi.Action = () => core.commandv("seek", i.Value.ToString(CultureInfo.InvariantCulture), "absolute");
                         chaptersMenuItem.DropDownItems.Add(mi);
                     }
                 }
@@ -252,7 +252,7 @@ namespace mpvnet
                 recent.DropDownItems.Clear();
 
                 foreach (string path in RecentFiles)
-                    MenuItem.Add(recent.DropDownItems, path, () => mp.LoadFiles(new[] { path }, true, Control.ModifierKeys.HasFlag(Keys.Control)));
+                    MenuItem.Add(recent.DropDownItems, path, () => core.LoadFiles(new[] { path }, true, Control.ModifierKeys.HasFlag(Keys.Control)));
                
                 recent.DropDownItems.Add(new ToolStripSeparator());
                 MenuItem mi = new MenuItem("Clear List");
@@ -287,7 +287,7 @@ namespace mpvnet
                 if (WindowState != FormWindowState.Normal)
                     return;
 
-                if (mp.Fullscreen)
+                if (core.Fullscreen)
                 {
                     CycleFullscreen(true);
                     return;
@@ -295,17 +295,17 @@ namespace mpvnet
             }
             
             Screen screen = Screen.FromControl(this);
-            int autoFitHeight = Convert.ToInt32(screen.WorkingArea.Height * mp.Autofit);
+            int autoFitHeight = Convert.ToInt32(screen.WorkingArea.Height * core.Autofit);
 
-            if (mp.VideoSize.Height == 0 || mp.VideoSize.Width == 0 ||
+            if (core.VideoSize.Height == 0 || core.VideoSize.Width == 0 ||
-                mp.VideoSize.Width / (float)mp.VideoSize.Height < App.MinimumAspectRatio)
+                core.VideoSize.Width / (float)core.VideoSize.Height < App.MinimumAspectRatio)
 
-                mp.VideoSize = new Size((int)(autoFitHeight * (16 / 9.0)), autoFitHeight);
+                core.VideoSize = new Size((int)(autoFitHeight * (16 / 9.0)), autoFitHeight);
 
-            Size videoSize = mp.VideoSize;
+            Size videoSize = core.VideoSize;
             int height = videoSize.Height;
 
-            if (mp.WasInitialSizeSet || scale != 1)
+            if (core.WasInitialSizeSet || scale != 1)
                 height = ClientSize.Height;
             else
             {
@@ -317,7 +317,7 @@ namespace mpvnet
                     if (App.StartSize != "video")
                         height = autoFitHeight;
 
-                mp.WasInitialSizeSet = true;
+                core.WasInitialSizeSet = true;
             }
 
             height = Convert.ToInt32(height * scale);
@@ -325,15 +325,15 @@ namespace mpvnet
             int maxHeight = screen.WorkingArea.Height - (Height - ClientSize.Height);
             int maxWidth = screen.WorkingArea.Width - (Width - ClientSize.Width);
 
-            if (height < maxHeight * mp.AutofitSmaller)
+            if (height < maxHeight * core.AutofitSmaller)
             {
-                height = Convert.ToInt32(maxHeight * mp.AutofitSmaller);
+                height = Convert.ToInt32(maxHeight * core.AutofitSmaller);
                 width = Convert.ToInt32(height * videoSize.Width / (double)videoSize.Height);
             }
 
-            if (height > maxHeight * mp.AutofitLarger)
+            if (height > maxHeight * core.AutofitLarger)
             {
-                height = Convert.ToInt32(maxHeight * mp.AutofitLarger);
+                height = Convert.ToInt32(maxHeight * core.AutofitLarger);
                 width = Convert.ToInt32(height * videoSize.Width / (double)videoSize.Height);
             }
 
@@ -374,7 +374,7 @@ namespace mpvnet
         public void CycleFullscreen(bool enabled)
         {
             LastCycleFullscreen = Environment.TickCount;
-            mp.Fullscreen = enabled;
+            core.Fullscreen = enabled;
 
             if (enabled)
             {
@@ -401,7 +401,7 @@ namespace mpvnet
                     else
                         WindowState = FormWindowState.Normal;
 
-                    if (mp.Border)
+                    if (core.Border)
                         FormBorderStyle = FormBorderStyle.Sizable;
                     else
                         FormBorderStyle = FormBorderStyle.None;                      
@@ -414,7 +414,7 @@ namespace mpvnet
 
         public void BuildMenu()
         {
-            string content = File.ReadAllText(mp.InputConfPath);
+            string content = File.ReadAllText(core.InputConfPath);
             var items = CommandItem.GetItems(content);
 
             if (!content.Contains("#menu:"))
@@ -438,7 +438,7 @@ namespace mpvnet
 
                 MenuItem menuItem = ContextMenu.Add(path, () => {
                     try {
-                        mp.command(item.Command);
+                        core.command(item.Command);
                     } catch (Exception ex) {
                         Msg.ShowException(ex);
                     }
@@ -451,19 +451,24 @@ namespace mpvnet
 
         void FileLoaded()
         {
-            string path = mp.get_property_string("path");
+            string path = core.get_property_string("path");
 
             BeginInvoke(new Action(() => {
                 if (path.Contains("://"))
-                    Text = mp.get_property_string("media-title") + " - mpv.net " + Application.ProductVersion;
+                    Text = core.get_property_string("media-title") + " - mpv.net " + Application.ProductVersion;
                 else if (path.Contains(":\\") || path.StartsWith("\\\\"))
                     Text = path.FileName() + " - mpv.net " + Application.ProductVersion;
                 else
                     Text = "mpv.net " + Application.ProductVersion;
 
-                int interval = (int)(mp.Duration.TotalMilliseconds / 100);
+                int interval = (int)(core.Duration.TotalMilliseconds / 100);
-                if (interval < 100) interval = 100;
+
-                if (interval > 1000) interval = 1000;
+                if (interval < 100)
+                    interval = 100;
+
+                if (interval > 1000)
+                    interval = 1000;
+
                 ProgressTimer.Interval = interval;
                 UpdateProgressBar();
             }));
@@ -510,19 +515,17 @@ namespace mpvnet
                 case 0x20A: // WM_MOUSEWHEEL
                 case 0x100: // WM_KEYDOWN
                 case 0x101: // WM_KEYUP
-                case 0x102: // WM_CHAR
                 case 0x104: // WM_SYSKEYDOWN
                 case 0x105: // WM_SYSKEYUP
-                case 0x106: // WM_SYSCHAR
                 case 0x319: // WM_APPCOMMAND
-                    if (mp.WindowHandle != IntPtr.Zero)
+                    if (core.WindowHandle != IntPtr.Zero)
-                        m.Result = WinAPI.SendMessage(mp.WindowHandle, m.Msg, m.WParam, m.LParam);
+                        m.Result = WinAPI.SendMessage(core.WindowHandle, m.Msg, m.WParam, m.LParam);
                     break;
                 case 0x0200: // WM_MOUSEMOVE
                     if (Environment.TickCount - LastCycleFullscreen > 500)
                     {
                         Point pos = PointToClient(Cursor.Position);
-                        mp.command($"mouse {pos.X} {pos.Y}");
+                        core.command($"mouse {pos.X} {pos.Y}");
                     }
 
                     if (CursorHelp.IsPosDifferent(LastCursorPosition))
@@ -530,12 +533,12 @@ namespace mpvnet
                     break;
                 case 0x2a3: // WM_MOUSELEAVE
                     //osc won't auto hide after mouse left window in borderless mode
-                    mp.command($"mouse {ClientSize.Width / 2} {ClientSize.Height / 3}");
+                    core.command($"mouse {ClientSize.Width / 2} {ClientSize.Height / 3}");
                     break;
                 case 0x203: // WM_LBUTTONDBLCLK
                     {
                         Point pos = PointToClient(Cursor.Position);
-                        mp.command($"mouse {pos.X} {pos.Y} 0 double");
+                        core.command($"mouse {pos.X} {pos.Y} 0 double");
                     }
                     break;
                 case 0x02E0: // WM_DPICHANGED
@@ -553,7 +556,7 @@ namespace mpvnet
                         var r = rc;
                         NativeHelp.SubtractWindowBorders(Handle, ref r);
                         int c_w = r.Right - r.Left, c_h = r.Bottom - r.Top;
-                        Size s = mp.VideoSize;
+                        Size s = core.VideoSize;
 
                         if (s == Size.Empty)
                             s = new Size(16, 9);
@@ -582,11 +585,11 @@ namespace mpvnet
                         switch (mode)
                         {
                             case "single":
-                                mp.LoadFiles(files, true, Control.ModifierKeys.HasFlag(Keys.Control));
+                                core.LoadFiles(files, true, Control.ModifierKeys.HasFlag(Keys.Control));
                                 break;
                             case "queue":
                                 foreach (string file in files)
-                                    mp.commandv("loadfile", file, "append");
+                                    core.commandv("loadfile", file, "append");
                                 break;
                         }
 
@@ -595,7 +598,7 @@ namespace mpvnet
                     return;
             }
 
-            if (m.Msg == TaskbarButtonCreatedMessage && mp.TaskbarProgress)
+            if (m.Msg == TaskbarButtonCreatedMessage && core.TaskbarProgress)
             {
                 Taskbar = new Taskbar(Handle);
                 ProgressTimer.Start();
@@ -622,26 +625,26 @@ namespace mpvnet
 
         void UpdateProgressBar()
         {
-            if (mp.TaskbarProgress && Taskbar != null)
+            if (core.TaskbarProgress && Taskbar != null)
-                Taskbar.SetValue(mp.get_property_number("time-pos"), mp.Duration.TotalSeconds);
+                Taskbar.SetValue(core.get_property_number("time-pos"), core.Duration.TotalSeconds);
         }
 
         void PropChangeOnTop(bool value) => BeginInvoke(new Action(() => TopMost = value));
 
-        void PropChangeAid(string value) => mp.Aid = value;
+        void PropChangeAid(string value) => core.Aid = value;
 
-        void PropChangeSid(string value) => mp.Sid = value;
+        void PropChangeSid(string value) => core.Sid = value;
 
-        void PropChangeVid(string value) => mp.Vid = value;
+        void PropChangeVid(string value) => core.Vid = value;
 
-        void PropChangeEdition(int value) => mp.Edition = value;
+        void PropChangeEdition(int value) => core.Edition = value;
         
         void PropChangeWindowScale(double value)
         {
             if (value != 1)
             {
                 BeginInvoke(new Action(() => SetFormPosAndSize(value)));
-                mp.command("no-osd set window-scale 1");
+                core.command("no-osd set window-scale 1");
             }
         }
 
@@ -652,11 +655,11 @@ namespace mpvnet
 
             BeginInvoke(new Action(() =>
             {
-                mp.WindowMaximized = mp.get_property_bool("window-maximized");
+                core.WindowMaximized = core.get_property_bool("window-maximized");
 
-                if (mp.WindowMaximized && WindowState != FormWindowState.Maximized)
+                if (core.WindowMaximized && WindowState != FormWindowState.Maximized)
                     WindowState = FormWindowState.Maximized;
-                else if (!mp.WindowMaximized && WindowState == FormWindowState.Maximized)
+                else if (!core.WindowMaximized && WindowState == FormWindowState.Maximized)
                     WindowState = FormWindowState.Normal;
             }));
         }
@@ -668,25 +671,25 @@ namespace mpvnet
 
             BeginInvoke(new Action(() =>
             {
-                mp.WindowMinimized = mp.get_property_bool("window-minimized");
+                core.WindowMinimized = core.get_property_bool("window-minimized");
 
-                if (mp.WindowMinimized && WindowState != FormWindowState.Minimized)
+                if (core.WindowMinimized && WindowState != FormWindowState.Minimized)
                     WindowState = FormWindowState.Minimized;
-                else if (!mp.WindowMinimized && WindowState == FormWindowState.Minimized)
+                else if (!core.WindowMinimized && WindowState == FormWindowState.Minimized)
                     WindowState = FormWindowState.Normal;
             }));
         }
 
         void PropChangeBorder(bool enabled) {
-            mp.Border = enabled;
+            core.Border = enabled;
 
             BeginInvoke(new Action(() => {
                 if (!IsFullscreen)
                 {
-                    if (mp.Border && FormBorderStyle == FormBorderStyle.None)
+                    if (core.Border && FormBorderStyle == FormBorderStyle.None)
                         FormBorderStyle = FormBorderStyle.Sizable;
 
-                    if (!mp.Border && FormBorderStyle == FormBorderStyle.Sizable)
+                    if (!core.Border && FormBorderStyle == FormBorderStyle.Sizable)
                         FormBorderStyle = FormBorderStyle.None;
                 }
             }));
@@ -694,7 +697,7 @@ namespace mpvnet
 
         void PropChangePause(bool enabled)
         {
-            if (Taskbar != null && mp.TaskbarProgress)
+            if (Taskbar != null && core.TaskbarProgress)
             {
                 if (enabled)
                     Taskbar.SetState(TaskbarStates.Paused);
@@ -707,8 +710,8 @@ namespace mpvnet
         {
             base.OnLoad(e);
 
-            if (mp.GPUAPI != "vulkan")
+            if (core.GPUAPI != "vulkan")
-                mp.VideoSizeAutoResetEvent.WaitOne(App.StartThreshold);
+                core.VideoSizeAutoResetEvent.WaitOne(App.StartThreshold);
 
             LastCycleFullscreen = Environment.TickCount;
             SetFormPosAndSize();
@@ -718,8 +721,8 @@ namespace mpvnet
         {
             base.OnShown(e);
 
-            if (mp.GPUAPI == "vulkan")
+            if (core.GPUAPI == "vulkan")
-                mp.ProcessCommandLine(false);
+                core.ProcessCommandLine(false);
 
             ToolStripRendererEx.ForegroundColor = Theme.Current.GetWinFormsColor("menu-foreground");
             ToolStripRendererEx.BackgroundColor = Theme.Current.GetWinFormsColor("menu-background");
@@ -733,7 +736,7 @@ namespace mpvnet
             System.Windows.Application.Current.ShutdownMode = System.Windows.ShutdownMode.OnExplicitShutdown;
             Cursor.Position = new Point(Cursor.Position.X + 1, Cursor.Position.Y);
             UpdateCheck.DailyCheck();
-            mp.LoadScripts();
+            core.LoadScripts();
             Task.Run(() => App.Extension = new Extension());
             ShownTickCount = Environment.TickCount;
         }
@@ -749,8 +752,8 @@ namespace mpvnet
         {
             base.OnResize(e);
 
-            if (mp.IsLogoVisible)
+            if (core.IsLogoVisible)
-                mp.ShowLogo();
+                core.ShowLogo();
 
             if (FormBorderStyle != FormBorderStyle.None)
             {
@@ -764,16 +767,16 @@ namespace mpvnet
             {
                 if (WindowState == FormWindowState.Minimized)
                 {
-                    mp.set_property_string("window-minimized", "yes");
+                    core.set_property_string("window-minimized", "yes");
                 }
                 else if (WindowState == FormWindowState.Normal)
                 {
-                    mp.set_property_string("window-maximized", "no");
+                    core.set_property_string("window-maximized", "no");
-                    mp.set_property_string("window-minimized", "no");
+                    core.set_property_string("window-minimized", "no");
                 }
                 else if (WindowState == FormWindowState.Maximized)
                 {
-                    mp.set_property_string("window-maximized", "yes");
+                    core.set_property_string("window-maximized", "yes");
                 }
             }
         }
@@ -784,10 +787,10 @@ namespace mpvnet
             SaveWindowProperties();
             RegistryHelp.SetValue(App.RegPath, "Recent", RecentFiles.ToArray());
 
-            if (mp.IsQuitNeeded)
+            if (core.IsQuitNeeded)
-                mp.commandv("quit");
+                core.commandv("quit");
 
-            if (!mp.ShutdownAutoResetEvent.WaitOne(10000))
+            if (!core.ShutdownAutoResetEvent.WaitOne(10000))
                 Msg.ShowError("Shutdown thread failed to complete within 10 seconds.");
 
             try { // PowerShell 5.1 might not be available
@@ -809,7 +812,7 @@ namespace mpvnet
             }
 
             if (Width - e.Location.X < 10 && e.Location.Y < 10)
-                mp.commandv("quit");
+                core.commandv("quit");
         }
 
         protected override void OnDragEnter(DragEventArgs e)
@@ -825,10 +828,10 @@ namespace mpvnet
             base.OnDragDrop(e);
 
             if (e.Data.GetDataPresent(DataFormats.FileDrop))
-                mp.LoadFiles(e.Data.GetData(DataFormats.FileDrop) as String[], true, Control.ModifierKeys.HasFlag(Keys.Control));
+                core.LoadFiles(e.Data.GetData(DataFormats.FileDrop) as String[], true, Control.ModifierKeys.HasFlag(Keys.Control));
           
             if (e.Data.GetDataPresent(DataFormats.Text))
-                mp.LoadFiles(new[] { e.Data.GetData(DataFormats.Text).ToString() }, true, Control.ModifierKeys.HasFlag(Keys.Control));
+                core.LoadFiles(new[] { e.Data.GetData(DataFormats.Text).ToString() }, true, Control.ModifierKeys.HasFlag(Keys.Control));
         }
 
         protected override void OnLostFocus(EventArgs e)
@@ -839,7 +842,9 @@ namespace mpvnet
 
         protected override void OnKeyDown(KeyEventArgs e)
         {
-            e.SuppressKeyPress = true; // prevent beep using alt key
+            if (Control.ModifierKeys == Keys.Alt)
+                e.SuppressKeyPress = true; // prevent beep using alt key
+
             base.OnKeyDown(e);
         }
     }

mpv.net/mpv.net.csproj

@@ -76,29 +76,6 @@
     <GenerateSerializationAssemblies>Auto</GenerateSerializationAssemblies>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="IKVM.Reflection, Version=7.2.4630.5, Culture=neutral, PublicKeyToken=13235d27fcbfff58, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>IronPython\IKVM.Reflection.dll</HintPath>
-    </Reference>
-    <Reference Include="IronPython, Version=2.7.9.0, Culture=neutral, PublicKeyToken=7f709c5b713576e1, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>IronPython\IronPython.dll</HintPath>
-    </Reference>
-    <Reference Include="IronPython.Modules, Version=2.7.9.0, Culture=neutral, PublicKeyToken=7f709c5b713576e1, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>IronPython\IronPython.Modules.dll</HintPath>
-    </Reference>
-    <Reference Include="IronPythonAddon">
-      <HintPath>IronPython\IronPythonAddon.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Dynamic, Version=1.2.2.0, Culture=neutral, PublicKeyToken=7f709c5b713576e1, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>IronPython\Microsoft.Dynamic.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Scripting, Version=1.2.2.0, Culture=neutral, PublicKeyToken=7f709c5b713576e1, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>IronPython\Microsoft.Scripting.dll</HintPath>
-    </Reference>
     <Reference Include="Microsoft.VisualBasic" />
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
@@ -156,7 +133,7 @@
     <Compile Include="Misc\UpdateCheck.cs" />
     <Compile Include="Misc\RegistryHelp.cs" />
     <Compile Include="Misc\Theme.cs" />
-    <Compile Include="Scripting\PowerShell.cs" />
+    <Compile Include="Misc\PowerShell.cs" />
     <Compile Include="WPF\SearchTextBoxUserControl.xaml.cs">
       <DependentUpon>SearchTextBoxUserControl.xaml</DependentUpon>
     </Compile>
@@ -179,7 +156,6 @@
       <DesignTime>True</DesignTime>
       <DependentUpon>Resources.resx</DependentUpon>
     </Compile>
-    <Compile Include="Scripting\IronPython.cs" />
     <Compile Include="mpv\libmpv.cs" />
     <Compile Include="WinForms\MainForm.cs">
       <SubType>Form</SubType>
@@ -188,8 +164,8 @@
       <DependentUpon>MainForm.cs</DependentUpon>
     </Compile>
     <Compile Include="Misc\Misc.cs" />
-    <Compile Include="mpv\mp.cs" />
+    <Compile Include="mpv\Core.cs" />
-    <Compile Include="Misc\Command.cs" />
+    <Compile Include="Misc\Commands.cs" />
     <Compile Include="Native\Native.cs" />
     <Compile Include="Native\NativeHelp.cs" />
     <Compile Include="Misc\Program.cs" />

mpv.net/mpv/libmpv.cs

@@ -44,6 +44,9 @@ public class libmpv
     [DllImport("mpv-1.dll", CallingConvention = CallingConvention.Cdecl)]
     public static extern mpv_error mpv_set_property(IntPtr mpvHandle, byte[] name, mpv_format format, ref Int64 data);
 
+    [DllImport("mpv-1.dll", CallingConvention = CallingConvention.Cdecl)]
+    public static extern mpv_error mpv_set_property(IntPtr mpvHandle, byte[] name, mpv_format format, ref double data);
+
     [DllImport("mpv-1.dll", CallingConvention = CallingConvention.Cdecl)]
     public static extern mpv_error mpv_observe_property(IntPtr mpvHandle, UInt64 reply_userdata, [MarshalAs(UnmanagedType.LPUTF8Str)] string name, mpv_format format);
 
@@ -149,9 +152,9 @@ public class libmpv
     [StructLayout(LayoutKind.Sequential)]
     public struct mpv_event_log_message
     {
-        public string prefix;
+        public IntPtr prefix;
-        public string level;
+        public IntPtr level;
-        public string text;
+        public IntPtr text;
         public mpv_log_level log_level;
     }
 

scripts/c-sharp/dynamic-context-menu-items.cs

@@ -8,9 +8,11 @@ using System.Linq;
 class Script
 {
     MainForm MainForm;
+    Core core;
 
     public Script()
     {
+        core = Core.core;
         MainForm = mpvnet.MainForm.Instance;
         MainForm.ContextMenu.Opening += ContextMenu_Opening;
     }
@@ -24,13 +26,13 @@ class Script
             return;
 
         menuItem.DropDownItems.Clear();
-        var editionTracks = mp.MediaTracks.Where(track => track.Type == "e");
+        var editionTracks = core.MediaTracks.Where(track => track.Type == "e");
 
         foreach (MediaTrack track in editionTracks)
         {
             MenuItem mi = new MenuItem(track.Text);
-            mi.Action = () => { mp.commandv("set", "edition", track.ID.ToString()); };
+            mi.Action = () => { core.commandv("set", "edition", track.ID.ToString()); };
-            mi.Checked = mp.Edition == track.ID;
+            mi.Checked = core.Edition == track.ID;
             menuItem.DropDownItems.Add(mi);
         }
     }

scripts/c-sharp/key-binding.cs

@@ -11,9 +11,10 @@ class Script
     {
         string content = "ctrl+w script-message my-message-1 my-argument-1";
         string sectionName = Assembly.GetExecutingAssembly().GetName().Name;
-        mp.commandv("define-section", sectionName, content, "force");
+        Core core = Core.core;
-        mp.commandv("enable-section", sectionName);
+        core.commandv("define-section", sectionName, content, "force");
-        mp.ClientMessage += ClientMessage;
+        core.commandv("enable-section", sectionName);
+        core.ClientMessage += ClientMessage;
     }
 
     void ClientMessage(string[] args)

scripts/c-sharp/observe-property-and-draw-text.cs

@@ -6,13 +6,16 @@ using mpvnet;
 
 class Script
 {
+    Core core;
+    
     public Script()
     {
-        mp.observe_property_bool("fullscreen", FullscreenChange);
+        core = Core.core;
+        core.observe_property_bool("fullscreen", FullscreenChange);
     }
 
     void FullscreenChange(bool value)
     {
-        mp.commandv("show-text", "fullscreen: " + value);
+        core.commandv("show-text", "fullscreen: " + value);
     }
 }

scripts/c-sharp/pause-when-minimize.cs

@@ -9,12 +9,14 @@ using mpvnet;
 class Script
 {
     MainForm Form;
+    Core core;
 
     bool WasPlaying;
     bool WasPaused;
 
     public Script()
     {
+        core = Core.core;
         Form = MainForm.Instance;
         Form.Resize += Form_Resize;
     }
@@ -23,11 +25,11 @@ class Script
     {
         if (Form.WindowState == FormWindowState.Minimized)
         {
-            WasPlaying = !mp.get_property_bool("pause");
+            WasPlaying = !core.get_property_bool("pause");
 
             if (WasPlaying)
             {
-                mp.set_property_bool("pause", true, true);
+                core.set_property_bool("pause", true, true);
                 WasPaused = true;
             }
         }
@@ -35,7 +37,7 @@ class Script
         {
             if (WasPaused)
             {
-                mp.set_property_bool("pause", false, true);
+                core.set_property_bool("pause", false, true);
                 WasPaused = false;
             }
         }

scripts/examples/message-box.ps1

@@ -1,4 +0,0 @@
-
-// This script shows a message box using the Msg class of mpv.net.
-
-[Msg]::Show("Hello World")

scripts/examples/open-file-dialog.ps1

@@ -1,25 +0,0 @@
-
-# Shows the Open File dialog to open a file without loading its folder into the playlist.
-
-# In input.conf add: <key> script-message load-without-folder
-
-$job = Register-ObjectEvent -InputObject ([mpvnet.mp]) -EventName ClientMessage -Action {
-
-    # exit if message does not equal 'load-without-folder'
-    if ($args.Length -ne 1 -or $args[0] -ne 'load-without-folder')
-    {
-        exit
-    }
-
-    $dialog = New-Object Windows.Forms.OpenFileDialog
-
-    if ($dialog.ShowDialog() -ne "OK") {
-        $dialog.Dispose()
-        exit
-    }
-
-    [mp]::Load($dialog.FileNames, $false, $false);
-    $dialog.Dispose()
-}
-
-$ScriptHost.RedirectEventJobStreams($job)

scripts/examples/seek.ps1

@@ -1,8 +0,0 @@
-
-# Display position in window title bar when seeking
-
-$job = Register-ObjectEvent -InputObject ([mpvnet.mp]) -EventName Seek -Action {
-    [MainForm]::Instance.Text = [mp]::get_property_number("time-pos")
-}
-
-$ScriptHost.RedirectEventJobStreams($job)

scripts/javascript/show-playlist.js

@@ -3,7 +3,6 @@
 
 function showPlaylist()
 {
-
     // set font size
     mp.set_property_number("osd-font-size", 40);
 

scripts/lua/pause-when-minimize.lua

@@ -8,18 +8,16 @@
 local did_minimize = false
 
 mp.observe_property("window-minimized", "bool", function(name, value)
-    local pause = mp.get_property_bool("pause")
+    local pause = mp.get_property_native("pause")
-
     if value == true then
         if pause == false then
-            mp.set_property_bool("pause", true)
+            mp.set_property_native("pause", true)
             did_minimize = true
         end
     elseif value == false then
         if did_minimize and (pause == true) then
-            mp.set_property_bool("pause", false)
+            mp.set_property_native("pause", false)
         end
-
         did_minimize = false
     end
 end)

scripts/powershell/open-file-dialog.ps1

@@ -0,0 +1,20 @@
+
+# Shows the Open File dialog to open a file without loading its folder into the playlist.
+
+# In input.conf add: <key> script-message load-without-folder
+
+$code = {
+    if ($args[0] -eq 'load-without-folder')
+    {
+        $dialog = New-Object Windows.Forms.OpenFileDialog
+
+        if ($dialog.ShowDialog() -eq 'OK')
+        {
+            $core.LoadFiles($dialog.FileNames, $false, $false);
+        }
+
+        $dialog.Dispose()
+    }
+}
+
+$mp.register_event("client-message", $code)

scripts/powershell/pause-when-minimize.ps1

@@ -0,0 +1,27 @@
+
+Set-Variable wasPaused $false -Option AllScope
+
+$code = {
+    $isMinimized = $args[0]
+    $isPaused = $mp.get_property_bool('pause')
+
+    if ($isMinimized)
+    {
+        if (-not $isPaused)
+        {
+            $mp.set_property_bool('pause', $true)
+            $wasPaused = $true
+        }
+    }
+    else
+    {
+        if ($wasPaused -and $isPaused)
+        {
+            $mp.set_property_bool('pause', $false)
+        }
+
+        $wasPaused = $false
+    }
+}
+
+$mp.observe_property('window-minimized', 'bool', $code)