VTDecoderXPCService taking CPU

Solution 1:

I did a spindump via the activity monitor and so i found the resposible app. In my case it was Firefox (HTML5 Vids)

Solution 2:

Quitting iMessage ( Messages ) seems to kill the process.

Solution 3:

According to this website, the VTDecoderXPCService is called to sandbox applications that might play quicktime or other video content.

• http://appleinsider.com/articles/12/02/09/apple_deadline_for_sandboxing_in_mac_app_store_arrives_march_1/

You could try quitting your applications one by one and seeing which ones are calling that process.

For me, it's usually Safari or iTunes and since you have it taking CPU that's pretty measurable, it should be easy to track down what's sending work to that part of the OS. It could be Messages or Photos, too.

Solution 4:

I tried and in my case is the app Photos, and also there's this photoanalysisd process is running a lot of CPU too. MacOs sierra and 2011 MBP