Version: 54.0.2832.0
OS: windows

video playback on www.theonion.com is using jwplayer 7.4.3. The audio playback is normal, but video is not played.
This NOT repro on CrOS and Mac OS. 
on JWPlayer official site, the video sample using jwplayer 7.6.0 works normally on Windows. It seems the issue is only on jwplayer 7.4.3
Can anybody take a look? At least we need outreach to theonion.com to notify them upgrade jwplayer.

What steps will reproduce the problem?
(1) navigate to http://www.onionstudios.com/channels/the-onion
(2) play any video

What is the expected output?
audio and video both play normally

What do you see instead?
only audio is played, not video