[Cinematic] Add support for Xcode 15 beta 6. (#18686)

Co-authored-by: Rolf Bjarne Kvinge <rolf@xamarin.com>
Co-authored-by: GitHub Actions Autoformatter <github-actions-autoformatter@xamarin.com>
Co-authored-by: TJ Lambert <50846373+tj-devel709@users.noreply.github.com>

src/Cinematic/CNDecision.cs

@@ -0,0 +1,45 @@
+using System;
+using CoreMedia;
+using Foundation;
+using ObjCRuntime;
+
+#nullable enable
+
+#if !WATCH && !__MACCATALYST__
+
+namespace Cinematic {
+
+#if NET
+	[SupportedOSPlatform ("tvos17.0")]
+	[SupportedOSPlatform ("macos14.0")]
+	[SupportedOSPlatform ("ios17.0")]
+	[SupportedOSPlatform ("maccatalyst17.0")]
+#else
+	[NoWatch, TV (17, 0), Mac (14, 0), iOS (17, 0), MacCatalyst (17, 0)]
+#endif
+	public enum CNDecisionIdentifierType {
+		Single,
+		Group,
+	}
+
+	public partial class CNDecision {
+
+		public CNDecision (CMTime time, long detectionId, bool isStrong, CNDecisionIdentifierType identifierType)
+			: base (NSObjectFlag.Empty)
+		{
+
+			switch (identifierType) {
+			case CNDecisionIdentifierType.Single:
+				InitializeHandle (_InitWithSingleIdentifier (time, detectionId, isStrong), "initWithTime:detectionID:strong:");
+				break;
+			case CNDecisionIdentifierType.Group:
+				InitializeHandle (_InitWithGroupIdentifier (time, detectionId, isStrong), "initWithTime:detectionGroupID:strong:");
+				break;
+			default:
+				ObjCRuntime.ThrowHelper.ThrowArgumentOutOfRangeException (nameof (identifierType), $"Unknown identifier type: {identifierType}");
+				break;
+			}
+		}
+	}
+}
+#endif

src/avfoundation.cs

@@ -51,6 +51,15 @@
 // hack: ease compilation without extra defines
 using CIBarcodeDescriptor = Foundation.NSObject;
 #endif
+
+// cinematic is not present in certain platforms
+#if WATCH || __MACCATALYST__
+using CNAssetInfo = Foundation.NSObject;
+using CNCompositionInfo = Foundation.NSObject;
+#else
+using Cinematic;
+#endif
+
 using AudioToolbox;
 using CoreMedia;
 using ObjCRuntime;
@@ -8335,6 +8344,7 @@ interface AVMutableCompositionTrack {
 		[MacCatalyst (13, 1)]
 		[Export ("enabled")]
 		bool Enabled { [Bind ("isEnabled")] get; set; }
+
 	}
 
 	[Watch (6, 0)]
@@ -8490,6 +8500,11 @@ interface AVMutableComposition {
 		[Export ("naturalSize")]
 		[Override]
 		CGSize NaturalSize { get; set; }
+
+		// from @interface CNComposition (AVMutableComposition)
+		[TV (17, 0), NoWatch, Mac (14, 0), iOS (17, 0), NoMacCatalyst]
+		[Export ("addTracksForCinematicAssetInfo:preferredStartingTrackID:")]
+		CNCompositionInfo AddTracks (CNAssetInfo assetInfo, int preferredStartingTrackID);
 	}
 
 	[Watch (6, 0)]