Problems with play videos in the latest version of iTunes

Question

There is a curious problem with the latest version of iTunes. If you play the videos in Quickplay as a standalone, the videos play fine, but within iTunes whether within it or in a separate window, the videos start out choppy. I am using an ATI 5770 with 1G ram. The machine is an i7 Core 870 with 8G of ram. I have turned off the 3D accelator, etc. So, don't point me to iTunes stock advice concerning this. Been there, done that.

Answer 1

Hello there, ondrafromczech.
The following Knowledge Base article offers some practical steps for troubleshooting performance issues when using AirPlay or AirPlay Mirroring with your Apple TV:
Resolve issues with AirPlay and AirPlay Mirroring from iPhone, iPad, and iPod touch - Apple Support
Resolve performance issues with AirPlay or AirPlay Mirroring
If you are experiencing intermittent playback or significant network lag with AirPlay or AirPlay Mirroring, it could be due to a weak Wi-Fi connection, interference, or the distance between the Wi-Fi router and your iOS device, Apple TV or AirPort Express.
Try these suggestions:
Ensure that other devices are not trying to stream to the same Apple TV at the same time.
Ensure that your Wi-Fi router is set up with the recommended settings for the best performance.
Certain external devices, such as microwave ovens and baby monitors, may interfere with a Wi-Fi network. Try moving or disabling these devices.
If possible, try to locate your Wi-Fi router in the same room as your iOS device and Apple TV.
If your wireless and wired networks are the same, try connecting your Apple TV to the router via Ethernet instead of Wi-Fi.
If the Wi-Fi router has an external antenna, check to see that is it connected properly and in good condition.
Use the Wi-Fi network troubleshooting guide to resolve interference and other issues.
If you are using iTunes, please see these troubleshooting guidelines.
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.