我编译dvsdk401里面的decode程序，执行时出现如下错误：
root@dm37x-evm:/usr/share/ti/dvsdk-demos# ./loadmodules.sh
CMEMK module: built on Nov 26 2013 at 12:31:25
Reference Linux version 2.6.32
File /home/disk2/dvsdk401/linuxutils_2_25_05_11/packages/ti/sdo/linuxutils/cmem/src/module/cmemk.c
allocated heap buffer 0xcc000000 of size 0x2200000
heap fallback enabled - will try heap if pool buffer is not available
cmemk initialized
DSPLINK Module (1.65.00.02) created on Date: Nov 26 2013 Time: 12:31:48
SDMAK module: built on Nov 26 2013 at 12:31:27
Reference Linux version 2.6.32
File /home/disk2/dvsdk401/linuxutils_2_25_05_11/packages/ti/sdo/linuxutils/sdma/src/module/sdmak.c
root@dm37x-evm:/usr/share/ti/dvsdk-demos# ./decode -O lcd -v IPCAMDATA.264
Decode demo started.
Error: Failed to open codec engine decode
Error: Failed to open codec engine decode
不知道是哪里的问题，求解
