Fix Coverity Scan warnings#64

Merged

MarcAntoine-Arnaud merged 3 commits intoavTranscoder:masterfrom

cchampet:fix_coverity_warnings

Aug 20, 2014

Commits on Aug 20, 2014

Common: fix variable used after null check
Clement Champetier
committed
Common: fix out-of-bounds access in setters functions of ParamSet
Clement Champetier
committed
VideoStreamProperties: fix uninitialized variable topFieldFirst
Clement Champetier
committed