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
Stream mapping:
Stream #0:0 -> #0:0 (h264 (h264_nvmpi) -> h264 (h264_nvmpi))
Stream #0:1 -> #0:1 (mp2 (native) -> mp2 (native))
Press [q] to stop, [?] for help
NVMEDIA: NvMediaMixerInit: 119: frameWidth = 1920, frameHeight = 1088
NVMEDIA: DeinterlaceThread: 782: DeinterlaceThread is created
Opening in BLOCKING MODE size= 0kB time=-577014:32:22.77 bitrate= -0.0kbits/s speed=N/A
NvMMLiteOpen : Block : BlockType = 4
===== NVMEDIA: NVENC =====