Dear linaro,
 
thanks for your reply.
Q1: but when i excute this script
./install-binaries-4.0.4.sh /dev/sdb2 £¨sdb2 is my device£©
also occer occer:
trap: 22: ERR: bad trap
How can I solve this problem?
 
Q2:I want to use pandaboard hardware encoder/decoder,how to use it?
eg: yuv video encoder to H.264
 
Q3:if I flash ubuntu to pandaboard, how to use hardware encoder/decoder, how can I get the API?
thank you very much.