MAC HDMI Fast Forward Video Bug
    When either steaming or playing a video locally, the video quickly skips forward to the end.  One of these processes has helped me remedy the issue in the past.
Option 1
- Go to Finder
 
- Applications
 
- Utilities
 
- Active Monitor
 
- Change the view to "all processes so you can see coreaudiod
 
- Close all applications that could play video or audio
 
- Close coreaudiod 
 
- Restart machine
 
Option 2
- In Chrome.... Clear cache ( change to "All Time")
 
- Delete Google profile
 
- Reboot
 
- Create Google profile
 
- Test