[VideoToolbox] Add support for Xcode13 beta5.

src/VideoToolbox/VTVideoEncoder.cs

@@ -113,6 +113,26 @@ static public VTVideoEncoder [] GetEncoderList ()
 #endif
 		public bool SupportsFrameReordering { get; private set; }
 
+#if !NET
+		[NoiOS, NoTV, MacCatalyst (15,0), NoMac, NoWatch]
+#else
+		[UnsupportedOSPlatform ("ios")]
+		[UnsupportedOSPlatform ("tvos")]
+		[SupportedOSPlatform ("maccatalyst15.0")]
+		[UnsupportedOSPlatform ("macos")]
+#endif
+		public bool SupportsMultiPass { get; private set; }
+
+#if !NET
+		[iOS (15,0), TV (15,0), MacCatalyst (15,0), Mac (12,0), Watch (8,0)]
+#else
+		[SupportedOSPlatform ("ios15.0")]
+		[SupportedOSPlatform ("tvos15.0")]
+		[SupportedOSPlatform ("maccatalyst15.0")]
+		[SupportedOSPlatform ("macos12.0")]
+#endif
+		public bool IncludeStandardDefinitionDVEncoders { get; private set; }
+
 		internal VTVideoEncoder (NSDictionary dict)
 		{
 			CodecType = (dict [VTVideoEncoderList.CodecType] as NSNumber).Int32Value;
@@ -164,6 +184,22 @@ internal VTVideoEncoder (NSDictionary dict)
 				var sfr = dict [constant] as NSNumber;
 				SupportsFrameReordering = sfr == null ? true : sfr.BoolValue; // optional, default true
 			}
+
+			// added in xcode 13
+			constant = VTVideoEncoderList.IncludeStandardDefinitionDVEncoders;
+			if (constant != null) {
+				var includeDef = dict [constant] as NSNumber;
+				IncludeStandardDefinitionDVEncoders = includeDef == null ? false : includeDef.BoolValue; // optional, default false 
+			}
+
+#if __MACCATALYST__
+			constant = VTVideoEncoderList.SupportsMultiPass;
+			if (constant != null) {
+				var multiPass = dict [constant] as NSNumber;
+				SupportsMultiPass = multiPass == null ? false : multiPass.BoolValue; // optional, default false 
+			}
+#endif
+
 		}
 
 #if NET

src/videotoolbox.cs

@@ -214,6 +214,22 @@ interface VTCompressionPropertyKey {
 		[MacCatalyst (14,5)]
 		[Field ("kVTVideoEncoderSpecification_EnableLowLatencyRateControl")]
 		NSString EnableLowLatencyRateControl { get; }
+
+		[TV (15, 0), Mac (12, 0), iOS (15, 0), MacCatalyst (15,0)]
+		[Field ("kVTCompressionPropertyKey_BaseLayerBitRateFraction")]
+		NSString BaseLayerBitRateFraction { get; }
+
+		[TV (15, 0), Mac (12, 0), iOS (15, 0), MacCatalyst (15,0)]
+		[Field ("kVTCompressionPropertyKey_EnableLTR")]
+		NSString EnableLtr { get; }
+
+		[TV (15, 0), Mac (12, 0), iOS (15, 0), MacCatalyst (15,0)]
+		[Field ("kVTCompressionPropertyKey_MaxAllowedFrameQP")]
+		NSString MaxAllowedFrameQP { get; }
+
+		[TV (15, 0), Mac (12, 0), iOS (15, 0), MacCatalyst (15,0)]
+		[Field ("kVTCompressionPropertyKey_SupportsBaseFrameQP")]
+		NSString SupportsBaseFrameQP { get; }
 	}
 
 	[Mac (10,15), iOS (13,0), TV (13,0)]
@@ -485,6 +501,14 @@ interface VTProfileLevelKeys {
 		[Mac (10,9)]
 		NSString H264_High_AutoLevel { get; }
 
+		[TV (15,0), Mac (12,0), iOS (15,0), MacCatalyst (15,0)]
+		[Field ("kVTProfileLevel_H264_ConstrainedBaseline_AutoLevel")]
+		NSString H264_ConstrainedBaseline_AutoLevel { get; }
+
+		[TV (15,0), Mac (12,0), iOS (15,0), MacCatalyst (15,0)]
+		[Field ("kVTProfileLevel_H264_ConstrainedHigh_AutoLevel")]
+		NSString H264_ConstrainedHigh_AutoLevel { get; }
+
 		// MP4V
 
 		[Field ("kVTProfileLevel_MP4V_Simple_L0")]
@@ -608,6 +632,22 @@ interface VTEncodeFrameOptionKey {
 
 		[Field ("kVTEncodeFrameOptionKey_ForceKeyFrame")]
 		NSString ForceKeyFrame { get; } 
+
+		[TV (15,0), Mac (12,0), iOS (15,0), MacCatalyst (15,0)]
+		[Field ("kVTEncodeFrameOptionKey_AcknowledgedLTRTokens")]
+		NSString AcknowledgedLtrTokens { get; }
+
+		[TV (15,0), Mac (12,0), iOS (15,0), MacCatalyst (15,0)]
+		[Field ("kVTEncodeFrameOptionKey_BaseFrameQP")]
+		NSString BaseFrameQP { get; }
+
+		[TV (15,0), Mac (12,0), iOS (15,0), MacCatalyst (15,0)]
+		[Field ("kVTEncodeFrameOptionKey_ForceLTRRefresh")]
+		NSString ForceLtrRefresh { get; }
+
+		[TV (15,0), Mac (12,0), iOS (15,0), MacCatalyst (15,0)]
+		[Field ("kVTSampleAttachmentKey_RequireLTRAcknowledgementToken")]
+		NSString RequireLtrAcknowledgementToken { get; }
 	}
 
 	[iOS (8,0), TV (10,2)]
@@ -1004,6 +1044,14 @@ interface VTVideoEncoderList {
 		[Field ("kVTVideoEncoderList_SupportsFrameReordering")]
 		NSString SupportsFrameReordering { get; }
 
+		[NoTV, NoMac, NoiOS, MacCatalyst (15,0)]
+		[Field ("kVTVideoEncoderList_SupportsMultiPass")]
+		NSString SupportsMultiPass { get; }
+
+		[TV (15,0), Mac (12,0), iOS (15,0), MacCatalyst (15,0)]
+		[Field ("kVTVideoEncoderListOption_IncludeStandardDefinitionDVEncoders")]
+		NSString IncludeStandardDefinitionDVEncoders { get; }
+
 		// VTVideoEncoder.cs should be updated when new constants are added here
 		// some are missing https://github.com/xamarin/xamarin-macios/issues/9904
 	}