VideoProperties: fix getFps if the average framerate is not defined#290

valnoel merged 1 commit intoavTranscoder:developavTranscoder/avTranscoder:developfrom

cchampet:fix_VideoPropertiesGetFpsWithoutAverageFrameratecchampet/avTranscoder:fix_VideoPropertiesGetFpsWithoutAverageFramerateCopy head branch name to clipboard