Hello, mpv! 🎉

Shared/Player/MPV/MPVOGLView.swift

@@ -0,0 +1,63 @@
+import GLKit
+import OpenGLES
+
+final class MPVOGLView: GLKView {
+    private var defaultFBO: GLint?
+
+    var mpvGL: UnsafeMutableRawPointer?
+    var needsDrawing = true
+
+    override init(frame: CGRect) {
+        guard let context = EAGLContext(api: .openGLES2) else {
+            print("Failed to initialize OpenGLES 2.0 context")
+            exit(1)
+        }
+
+        super.init(frame: frame, context: context)
+        contentMode = .redraw
+
+        EAGLContext.setCurrent(context)
+
+        drawableColorFormat = .RGBA8888
+        drawableDepthFormat = .formatNone
+        drawableStencilFormat = .formatNone
+
+        defaultFBO = -1
+        isOpaque = false
+
+        fillBlack()
+    }
+
+    func fillBlack() {
+        glClearColor(0, 0, 0, 0)
+        glClear(UInt32(GL_COLOR_BUFFER_BIT))
+    }
+
+    override func draw(_: CGRect) {
+        glGetIntegerv(UInt32(GL_FRAMEBUFFER_BINDING), &defaultFBO!)
+
+        if mpvGL != nil {
+            var data = mpv_opengl_fbo(
+                fbo: Int32(defaultFBO!),
+                w: Int32(bounds.size.width) * Int32(contentScaleFactor),
+                h: Int32(bounds.size.height) * Int32(contentScaleFactor),
+                internal_format: 0
+            )
+            var flip: CInt = 1
+            withUnsafeMutablePointer(to: &flip) { flip in
+                withUnsafeMutablePointer(to: &data) { data in
+                    var params = [
+                        mpv_render_param(type: MPV_RENDER_PARAM_OPENGL_FBO, data: data),
+                        mpv_render_param(type: MPV_RENDER_PARAM_FLIP_Y, data: flip),
+                        mpv_render_param()
+                    ]
+                    mpv_render_context_render(OpaquePointer(mpvGL), &params)
+                }
+            }
+        }
+    }
+
+    required init?(coder aDecoder: NSCoder) {
+        super.init(coder: aDecoder)
+    }
+}

Shared/Player/MPV/MPVViewController.swift

@@ -0,0 +1,25 @@
+import UIKit
+
+final class MPVViewController: UIViewController {
+    var client: MPVClient!
+    var glView: MPVOGLView!
+
+    init() {
+        client = MPVClient()
+        super.init(nibName: nil, bundle: nil)
+    }
+
+    required init?(coder: NSCoder) {
+        super.init(coder: coder)
+    }
+
+    override func viewDidLoad() {
+        super.loadView()
+
+        glView = client.create(frame: view.frame)
+
+        view.addSubview(glView)
+
+        super.viewDidLoad()
+    }
+}