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norio_nomura 9/11/2019 1:23 PM
AVMetadataIdentifierQuickTimeMetadataDetectedCatBody https://developer.apple.com/documentation/avfoundation/avmetadataidentifierquicktimemetadatadetectedcatbody AVMetadataIdentifierQuickTimeMetadataDetectedDogBody https://developer.apple.com/documentation/avfoundation/avmetadataidentifierquicktimemetadatadetecteddogbody (edited)