The IO interface level provides sharing IO interface which is used by end-user programs, script executable engine, Peta media object runtime, input runtime as well as corresponds between the Peta objects.

• IO接口层提供了用于终端用户程序的共享的IO接口、脚本执行引擎、Peta媒体运行时对象、输入运行时对象,并且支持这些Peta对象间的通讯。