public static boolean isPHDRImageMetadataItemKey(byte[] key){
  return Arrays.equals(key,KLVPacket.PHDR_IMAGE_METADATA_ITEM_KEY);
}

public static boolean isPHDRImageMetadataItemKey ( byte [ ] key ) { return Arrays . equals ( key , KLVPacket . PHDR_IMAGE_METADATA_ITEM_KEY ) ; }
checks if the key corresponding to the klv packet is a phdr image metadata item key
