-int_ref_cycle_size <int> E..V.... Number of frames in the intra refresh cycle (from -1 to 65535) (default -1)
-int_ref_qp_delta <int> E..V.... QP difference for the refresh MBs (from -32768 to 32767) (default -32768)
-recovery_point_sei <int> E..V.... Insert recovery point SEI messages (from -1 to 1) (default -1)
-trellis <flags> E..V.... Trellis quantization (default 0)
off E..V....
I E..V....
P E..V....
B E..V....
-profile <int> E..V.... (from 0 to INT_MAX) (default unknown)

unknown E..V....
baseline E..V....
main E..V....
high E..V....
-a53cc <int> E..V.... Use A53 Closed Captions (if available) (from 0 to 1) (default 0)

以上です