CodecPictureStructure Field Type Repeated Description message oneOf ⮑mpeg2video CodecPictureStructure.Mpeg2PictureStructure ⮑h264 CodecPictureStructure.H264PictureStructure ⮑hevc CodecPictureStructure.HEVCPictureStructure Member of Message Description GopStructure.SinglePictureStructure CodecPictureStructure.Mpeg2PictureStructure ComposePart