0.10.6

Sources/Shared/UI/Components/RTCVideoRendererView.swift

@@ -0,0 +1,99 @@
+import SwiftUI
+import WebRTC
+
+#if os(iOS)
+import UIKit
+
+struct RTCVideoRendererView: UIViewRepresentable {
+    let track: RTCVideoTrack?
+    var mirrored = false
+    var contentMode: UIView.ContentMode = .scaleAspectFill
+
+    func makeCoordinator() -> Coordinator {
+        Coordinator()
+    }
+
+    func makeUIView(context: Context) -> RTCMTLVideoView {
+        let view = RTCMTLVideoView(frame: .zero)
+        view.videoContentMode = contentMode
+        view.backgroundColor = .black
+        context.coordinator.update(track: track, renderer: view)
+        return view
+    }
+
+    func updateUIView(_ view: RTCMTLVideoView, context: Context) {
+        view.videoContentMode = contentMode
+        view.transform = mirrored
+            ? CGAffineTransform(scaleX: -1, y: 1)
+            : .identity
+        context.coordinator.update(track: track, renderer: view)
+    }
+
+    static func dismantleUIView(_ view: RTCMTLVideoView, coordinator: Coordinator) {
+        coordinator.detach(renderer: view)
+    }
+
+    final class Coordinator {
+        private weak var track: RTCVideoTrack?
+
+        func update(track newTrack: RTCVideoTrack?, renderer: RTCMTLVideoView) {
+            guard track !== newTrack else { return }
+            track?.remove(renderer)
+            track = newTrack
+            newTrack?.add(renderer)
+        }
+
+        func detach(renderer: RTCMTLVideoView) {
+            track?.remove(renderer)
+            track = nil
+        }
+    }
+}
+
+#elseif os(macOS)
+import AppKit
+
+struct RTCVideoRendererView: NSViewRepresentable {
+    let track: RTCVideoTrack?
+    var mirrored = false
+
+    func makeCoordinator() -> Coordinator {
+        Coordinator()
+    }
+
+    func makeNSView(context: Context) -> RTCMTLNSVideoView {
+        let view = RTCMTLNSVideoView(frame: .zero)
+        view.wantsLayer = true
+        view.layer?.backgroundColor = NSColor.black.cgColor
+        context.coordinator.update(track: track, renderer: view)
+        return view
+    }
+
+    func updateNSView(_ view: RTCMTLNSVideoView, context: Context) {
+        view.layer?.setAffineTransform(
+            mirrored ? CGAffineTransform(scaleX: -1, y: 1) : .identity
+        )
+        context.coordinator.update(track: track, renderer: view)
+    }
+
+    static func dismantleNSView(_ view: RTCMTLNSVideoView, coordinator: Coordinator) {
+        coordinator.detach(renderer: view)
+    }
+
+    final class Coordinator {
+        private weak var track: RTCVideoTrack?
+
+        func update(track newTrack: RTCVideoTrack?, renderer: RTCMTLNSVideoView) {
+            guard track !== newTrack else { return }
+            track?.remove(renderer)
+            track = newTrack
+            newTrack?.add(renderer)
+        }
+
+        func detach(renderer: RTCMTLNSVideoView) {
+            track?.remove(renderer)
+            track = nil
+        }
+    }
+}
+#endif