UserAgent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36

Steps to reproduce the problem:
1. Play the video
2. Open webvtt subtitle

What is the expected behavior?
There is redundant black bar in screen

What went wrong?
There should not be redundant black bar,please refer to the attached photo

Did this work before? N/A 

Chrome version: 61.0.3163.49  Channel: n/a
OS Version: NA
Flash Version: Shockwave Flash 32.0 r0
 

Deleted: 47163909-IMG_8619.JPG 3.1 MB

	47163909-IMG_8619.JPG 3.1 MB View Download