From David Fries, "The ffmpeg lockmanager was introduced in ffmpeg 52 30 1, but later backported to 52 20 1, so add that to the version check in ReaderWriterFFmpeg.cpp."
From David Fries, "The ffmpeg lockmanager was introduced in ffmpeg 52 30 1, but
later backported to 52 20 1, so add that to the version check
in ReaderWriterFFmpeg.cpp."


artoolkit/osg,artoolkit/osg,tomasthoresen/osg,marchelbling/osg,tomasthoresen/osg,scrawl/osg,scrawl/osg,marchelbling/osg,jtorresfabra/osg,artoolkit/osg,tomasthoresen/osg,scrawl/osg,jtorresfabra/osg,artoolkit/osg,tomasthoresen/osg,openscenegraph/osg,marchelbling/osg,marchelbling/osg,jtorresfabra/osg,openscenegraph/osg,scrawl/osg,openscenegraph/osg,openscenegraph/osg,jtorresfabra/osg