Fixes for MPV in macOS

macOS/MPVOGLView.swift

@@ -0,0 +1,14 @@
+import AppKit
+
+final class MPVOGLView: NSView {
+    override init(frame frameRect: CGRect) {
+        super.init(frame: frameRect)
+        autoresizingMask = [.width, .height]
+        wantsBestResolutionOpenGLSurface = true
+    }
+
+    @available(*, unavailable)
+    required init?(coder _: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+}