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.