close NVMEDIA decoder deinterlace

It seems that the jetson nano decoder will automatically deinterlace when decode interlaced video. how can i disable this function output raw data?

Opening in BLOCKING MODE
NvMMLiteOpen : Block : BlockType = 261
NVMEDIA: Reading vendor.tegra.display-size : status: 6
NvMMLiteBlockCreate : Block : BlockType = 261
NVMEDIA: NvMediaMixerInit: 119: frameWidth = 1920, frameHeight = 1088
NVMEDIA: DeinterlaceThread: 782: DeinterlaceThread is created
NvMMLiteOpen : Block : BlockType = 4
===== NVMEDIA: NVENC =====