关于3520d sample_audio的问题

请高手帮帮忙，同样的一块板子，运行海思自带的sample_audio,运行mpp版本1.02就没问题，但是运行mpp1.04就出现以下的问题，是不是海思mpp1.04 的sample_audio本身就有问题，谁有没有海思hi3520d最新版本的sdk，发给我一份[email]331017400@qq.com[/email].
# cat /proc/umap/ai

[AI] Version: [Hi3520D_MPP_V1.0.4.0 ], Build Time: [Sep 29 2014, 18:04:32]

-----AI DEV ATTR---------------------------------------------------------------------------------------------------------
AiDev WorkMod   SampR  BitWid  ChnCnt  ClkSel SondMod  PoiNum  ExFlag  FrmNum

-----AI DEV STATUS-------------------------------------------------------------------------------------------------------
AiDev      IntCnt     fifoCnt     buffInt FrmTime  MaxFrmTime TranLen IsrTime  MaxIsrTime     CBPhy  CBSize   ROffSet   WOffSet

-----AI CHN STATUS-------------------------------------------------------------------------------------------------------
AiDev   AiChn   State    Read   Write      BufFul u32Data0 u32Data1   AecAo     AecFail    bAnr  bResmp  PoiNum   SampR ResmpType

-----VQE & ResampleEx-------------------------------------------------------------------------------------------------------
AiDev   AiChn    bVqe    bAlc  MinLev  MaxLev MaxGain    bAec AecMode    bAnr   bReSp   SamIn  SamOut  WrFile
# ./sample_audio

/************************************/
press sample command as follows!
1:  start AI to AO loop
2:  send audio frame to AENC channel from AI, save them
3:  read audio stream from file,decode and send AO
4:  start AI to AO(Hdmi) loop
q:  quit whole audio sample

sample command:2

func(SAMPLE_CX26828_SetSmprate) line(313): set cx26828 sample rate(8000) ok
func(SAMPLE_CX26828_SetFormat) line(259): set CX26828 audio format(1) ok!
func(SAMPLE_CX26828_SetBitwidth) line(357): set cx26828 bit width(1) ok
func(SAMPLE_CX26828_SetChnNum) line(386): set cx26828 chn num(2) ok
AEC_Init error framelen(320)
[Func]:MPI_AI_AecInit [Line]:369 [Info]:aec open fail.
AEC_Init error framelen(320)
[Func]:MPI_AI_AecInit [Line]:369 [Info]:aec open fail.
Ai(0,0) bind to AencChn:0 ok!
open stream file:"audio_chn0.adpcm" for aenc ok
bind adec:0 to ao(0,0) ok

please press twice ENTER to exit this sample