Move solution and projects to src

src/Ryujinx.Graphics.Video/ISurface.cs

@@ -0,0 +1,20 @@
+using System;
+
+namespace Ryujinx.Graphics.Video
+{
+    public interface ISurface : IDisposable
+    {
+        Plane YPlane { get; }
+        Plane UPlane { get; }
+        Plane VPlane { get; }
+
+        FrameField Field { get; }
+
+        int Width { get; }
+        int Height { get; }
+        int Stride { get; }
+        int UvWidth { get; }
+        int UvHeight { get; }
+        int UvStride { get; }
+    }
+}