hi3518e平台上运行sample出现问题，求指导~

# ./load3518e -i ov9712
Hisilicon Media Memory Zone Manager
hi3518_base: module license 'Proprietary' taints kernel.
Disabling lock debugging due to kernel taint
Hisilicon UMAP device driver interface: v3.00
pa:82600000, va:c2a00000
load sys.ko ...OK!
load viu.ko ...OK!
ISP Mod init!
load vpss.ko ....OK!
load vou.ko ....OK!
load venc.ko ...OK!
load group.ko ...OK!
load chnl.ko ...OK!
load h264e.ko ...OK!
load jpege.ko ...OK!
load rc.ko ...OK!
load region.ko ....OK!
load vda.ko ....OK!
hi_i2c init is ok!
Kernel: ssp initial ok!
acodec inited!
insert audio
==== Your input Sensor type is ov9712 ====

# ./sample_venc 0
[SAMPLE_COMM_VENC_Start]-541: HI_MPI_VENC_CreateChn [0] faild with 0xa007800c!
[SAMPLE_VENC_720P_CLASSIC]-247: Start Venc failed!
[SAMPLE_COMM_VENC_Stop]-583: HI_MPI_VENC_StopRecvPic vechn[0] failed with 0xa0078005!
[SAMPLE_COMM_VENC_Stop]-583: HI_MPI_VENC_StopRecvPic vechn[1] failed with 0xa0078005!
[SAMPLE_COMM_VENC_Stop]-583: HI_MPI_VENC_StopRecvPic vechn[2] failed with 0xa0078005!
program exit abnormally!