cisco/openh264 — pull request #582 by ruil2 (2014-03-26 02:11:33+00:00)
Title:     add complexity calculation for screen content

reviewed at: https://rbcommons.com/s/OpenH264/r/254
approved by Licai and sijia

1. add METHOD_COMPLEXITY_ANALYSIS_SCREEN method
2. add complexity analysis for screen content