Description

When using getVideoPlayerOptions without a width or height, the returned options object would include an aspect ratio as undefined:undefined.

This checks to see the existence of the width and height values before trying to use them in the aspect ratio.

Issue Ticket Number

Fixes #176

[ ] Bug fix (non-breaking change which fixes an issue)
[ ] New feature (non-breaking change which adds functionality)
[ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
[ ] Fix or improve the documentation
[ ] This change requires a documentation update

[ ] I have followed the contributing guidelines of this project as mentioned in CONTRIBUTING.md
[ ] I have created an issue ticket for this PR
[ ] I have checked to ensure there aren't other open Pull Requests for the same update/change?
[ ] I have performed a self-review of my own code
[ ] I have run tests locally to ensure they all pass
[ ] I have commented my code, particularly in hard-to-understand areas
[ ] I have made corresponding changes needed to the documentation