mpp编码jpeg图片，报错

我用mpp编码讲一张yuv编码成jpeg图片，生成图片大小为0，
./mpi_enc_test -i /home/nfsroot/1.yuv -f 4 -t 8 -w 1920 -h 1080 -o /home/nfsroot/1.jpeg
下面是报错日志
0x7f98001e60 encoder test start w 1920 h 1080 type 8
Aug  1 16:31:01 firefly mpp[340305]: mpp_serivce: set client type 18 failed
Aug  1 16:31:01 firefly mpp[340305]: hal_jpege_vepu2: hal_jpege_vepu2_init mpp_dev_init failed. ret: -1
Aug  1 16:31:01 firefly mpp[340305]: mpp_enc_hal: mpp_enc_hal_init hal hal_jpege init failed ret -1
Aug  1 16:31:01 firefly mpp[340305]: mpp_enc_hal: mpp_enc_hal_init could not found coding type 8
Aug  1 16:31:01 firefly mpp[340305]: mpp_enc: mpp_enc_init_v2 could not init enc hal
Aug  1 16:31:01 firefly mpp[340305]: mpp: error found on mpp initialization
Aug  1 16:31:01 firefly mpp[340305]: mpi_enc_test: mpp_init failed ret -1