Expand ar frame metadata with focal length and fnumber

openVulkanoCpp/AR/ArFrameMetadata.cpp

@@ -109,6 +109,8 @@ namespace OpenVulkano::AR
 		frameData.intrinsic = {intrinsic, res};
 		camNode["ExposureDuration"] >> frameData.exposureTime;
 		camNode["ExposureOffset"] >> frameData.exposureOffset;
+		camNode["FocalLength"] >> frameData.focalLength;
+		camNode["FNumber"] >> frameData.fNumber;
 		uint64_t nanos;
 		root["Timestamp"] >> nanos;
 		frameData.timestamp = nanos;
@@ -145,6 +147,8 @@ namespace OpenVulkano::AR
     - [ {}, {}, {} ]
   ExposureDuration: {}
   ExposureOffset: {}
+  FocalLength: {}
+  FNumber: {}
 Timestamp: {}
 TimestampDepth: {}
 TrackingState:
@@ -165,7 +169,8 @@ Light:
 	camMat[0][0], camMat[1][0], camMat[2][0],
 	camMat[0][1], camMat[1][1], camMat[2][1],
 	camMat[0][2], camMat[1][2], camMat[2][2],
-	exposureTime, exposureOffset, timestamp.GetNanos(), timestampDepth.GetNanos(),
+	exposureTime, exposureOffset, focalLength, fNumber,
+	timestamp.GetNanos(), timestampDepth.GetNanos(),
 	trackingState.GetName(), lightIntensity, lightColorTemp
 );
 		return meta;
@@ -194,4 +199,4 @@ Light:
 
 		return meta.str();
 	}
-}
+}