Add a generic video player widget.

OpenRA.Game/Graphics/Video.cs

@@ -0,0 +1,37 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2020 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System;
+using OpenRA.FileSystem;
+using OpenRA.Primitives;
+
+namespace OpenRA.Video
+{
+	public interface IVideo
+	{
+		ushort Frames { get; }
+		byte Framerate { get; }
+		ushort Width { get; }
+		ushort Height { get; }
+		uint[,] FrameData { get; }
+
+		int CurrentFrame { get; }
+		void AdvanceFrame();
+
+		bool HasAudio { get; }
+		byte[] AudioData { get; }
+		int AudioChannels { get; }
+		int SampleBits { get; }
+		int SampleRate { get; }
+
+		void Reset();
+	}
+}

OpenRA.Game/Graphics/VideoLoader.cs

@@ -0,0 +1,32 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2020 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System.IO;
+
+namespace OpenRA.Video
+{
+	public interface IVideoLoader
+	{
+		bool TryParseVideo(Stream s, out IVideo video);
+	}
+
+	public static class VideoLoader
+	{
+		public static IVideo GetVideo(Stream stream, IVideoLoader[] loaders)
+		{
+			foreach (var loader in loaders)
+				if (loader.TryParseVideo(stream, out var video))
+					return video;
+
+			return null;
+		}
+	}
+}

OpenRA.Game/Manifest.cs

@@ -70,13 +70,14 @@ namespace OpenRA
 		public readonly string[] SoundFormats = { };
 		public readonly string[] SpriteFormats = { };
 		public readonly string[] PackageFormats = { };
+		public readonly string[] VideoFormats = { };
 
 		readonly string[] reservedModuleNames =
 		{
 			"Include", "Metadata", "Folders", "MapFolders", "Packages", "Rules",
 			"Sequences", "ModelSequences", "Cursors", "Chrome", "Assemblies", "ChromeLayout", "Weapons",
 			"Voices", "Notifications", "Music", "Translations", "TileSets", "ChromeMetrics", "Missions", "Hotkeys",
-			"ServerTraits", "LoadScreen", "SupportsMapsFrom", "SoundFormats", "SpriteFormats",
+			"ServerTraits", "LoadScreen", "SupportsMapsFrom", "SoundFormats", "SpriteFormats", "VideoFormats",
 			"RequiresMods", "PackageFormats"
 		};
 
@@ -154,6 +155,9 @@ namespace OpenRA
 
 			if (yaml.ContainsKey("SpriteFormats"))
 				SpriteFormats = FieldLoader.GetValue<string[]>("SpriteFormats", yaml["SpriteFormats"].Value);
+
+			if (yaml.ContainsKey("VideoFormats"))
+				VideoFormats = FieldLoader.GetValue<string[]>("VideoFormats", yaml["VideoFormats"].Value);
 		}
 
 		public void LoadCustomData(ObjectCreator oc)

OpenRA.Game/ModData.cs

@@ -15,6 +15,7 @@ using System.IO;
 using System.Linq;
 using OpenRA.FileSystem;
 using OpenRA.Graphics;
+using OpenRA.Video;
 using OpenRA.Widgets;
 using FS = OpenRA.FileSystem.FileSystem;
 
@@ -31,6 +32,7 @@ namespace OpenRA
 		public readonly ISpriteLoader[] SpriteLoaders;
 		public readonly ISpriteSequenceLoader SpriteSequenceLoader;
 		public readonly IModelSequenceLoader ModelSequenceLoader;
+		public readonly IVideoLoader[] VideoLoaders;
 		public readonly HotkeyManager Hotkeys;
 		public ILoadScreen LoadScreen { get; private set; }
 		public CursorProvider CursorProvider { get; private set; }
@@ -71,6 +73,7 @@ namespace OpenRA
 
 			SoundLoaders = ObjectCreator.GetLoaders<ISoundLoader>(Manifest.SoundFormats, "sound");
 			SpriteLoaders = ObjectCreator.GetLoaders<ISpriteLoader>(Manifest.SpriteFormats, "sprite");
+			VideoLoaders = ObjectCreator.GetLoaders<IVideoLoader>(Manifest.VideoFormats, "video");
 
 			var sequenceFormat = Manifest.Get<SpriteSequenceFormat>();
 			var sequenceLoader = ObjectCreator.FindType(sequenceFormat.Type + "Loader");