use sync interface(poll,dequeue and enqueue), encode raw yuv to compress video.
use sync interface and async interface(decode_put_packet and decode_get_frame), decode compress video to raw yuv.
encode use detailed bitrate control config.
encode use detailed bitrate control config,and cfg param come from mpi_rc.cfg.
simple description of mpi calling method, just for reference
event trigger test.
mpp parser cfg test.
encode or decode use legacy interface, in order to compatible with the previous vpu interface.