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Anyone else seeing this in your Activity Monitor?
VTDecoderXPCService is running a full 25-30% of my CPU's on quadcore i7 iMac with 8GB RAM.
I have no apps running, yet the service is running like crazy..... any solutions?
OK... I finally discovered the source of the problem.
VTDecoderXPCService is the sandboxing for video content in Lion. All things that are QuickTime related, audio or video, are sandboxed by this service. It just clicked as to what it is. We have iCam for our iPhones. It allows us to remotely view from the webcams on our machines. So... because iCamSource is a QuickTime-related service, VTDecoderXPCService takes over. So when iCam is operating, it's sucking up 25% of the CPU. Which I'm going to report to the developer. :-)
I was able to simply Quit the VTDecoderXPCService from the Activity Monitor screen (seeing as it was the largest user of CPU time by far, it had to be my problem...) - the process instantly restarted, but was running as expected, and not sucking all my CPU processing time. This had no ill side-effects on websites, or Quicktime video applications that were running. I suggest just quitting this service when the CPU slows, it seems to be a simple solution, that doesn't involve stopping your work wherever you may be. 🙂
I was having a similar problem and my Macbook became insanely slow (i7 2.2Ghz with 16GB RAM). After looking around I found that
I had a web page opened to the Flixel.com site which has a huge gallery of motion .jpgs similar to Apple's iPhone picture taking app.
By shutting the page down the laptop literally sprang back to life after consuming 620% of CPU. Hope this helps.
here's an update:
It seems like the issue appeared once again with I played the 1080p video, and of course "VTDecoderXPCService" process is in Activity Monitor.
I conducted a test to verify the issue:
I rebooted without renaming or moving the VTDecoderXPCService file, and the video played fine. Plus I didn't see "VTDecoderXPCService" process in Activity Monitor.
I think rebooting my mac temporarily solved the issue.
I'll try renaming or moving (disabling) the VTDecoderXPCService file next time, and without restoring (enabling) to see if this issue actually get solved.
I've experienced this issue with VTDecoderXPCService twice now. both times after using netflix in Safari. I restart seems to make it go away. But now I have 2 instances of the process running one using 27% CPU and another using 18% Must be percentage of one core because my overall CPU load is at 10%
As I was typing this a 3rd instance of the process appeared.
Does anyone have any suggestions on how to fix this? short of waiting for APPLE to release an OS patch.
I'm also having this issue on my Late 2011 MBP 2.5GHz i7, 8GB 1333 MHz DDR3, AMD Radeon HD 6770M 1024 MB. But only when I play 1440HD and 4k videos. As soon as I play a 1440HD video on Quicktime or youtube "VTDecoderXPCService" appears in Activity Monitor at around 100%CPU and if I play a 4k video its around 200-240%CPU. Also the fan immediately kicks on full blast. Anyone have a solution?
I have the problem as well.
Over time it rises up to 100% CPU.
So I did some study to find out what triggers it.
Set up
OSX
Chrome
Twitter -GIF
even this GIF will trigger the
VTDecoderXPCService
https://twitter.com/StockMonsterUSA/status/854512665032392704
PS. I only get it when my Documents folder view option is selected as GRID.
Mine only uses 7 - 8 % of CPU on my desktop, the Documents folder view has no effect.
I too see this problem, whenever I navigate to a folder containing lots of pptx or ppt files. Quite annoying. It happened from day one of using my new MacBookPro
Opening System Preferences -> Trackpad on Lion takes 4 - 4.5% with VTDecoderXPCService and 7 - 8% with System Preferences.
Facetime too
Quitting Safari didn't help, and the Safari performance problem was unrelated
This happens when I have Facetime open too. Just quit it when not using.
DITTO! Found that to be the case for me too. I didn't even know FT was open. Closed it, gone.
If you ForcEx the process, osX just revives it.
Is there any chance this is a wrapper around the streaming portion of APPLEmusic?
VTDecoderXPCService sucking up 25-30% of CPU
