Get the latest Hangout plug-ins at Hangouts Thanks to NaN for finding this! for-google-hangouts/ Put pressure on Apple by reporting the issue at Feedback - Safari - Apple While this is a win for those of us who need Hangouts on Safari it's not a good enough solution.
Of course you'll need all your Safari plug-ins up to date, installed and configured with the right permissions before trying this (a quick search will reveal plenty of sites that'll show you how, see link below to access plug-in downloads). It's important to do it in the order above, although I've heard of it working for a few in the reverse order. I recommend YakYak which has also been suggested in Sean Mathesons answer to What is the best Google Chat client for Mac OS X. It consolidates your contacts on the left side of one window. Your Hangouts call should now have started the camera and you're good to go! Listen up, OSX users: with the new Hangouts update from Google you might actually want to use the official app rather than Adium.Now open Photo Booth to activate the camera.The green light next to the camera should come on. Open Hangouts and start your video call.If you've been battling to get the video for Google Hangouts to work on Safari I have a workaround for you.