Prevent computer sleep when Apple TV is streaming from iTunes ...

Hi,
Is it possible to prevent my computer from going to sleep when my Apple TV is streaming from my iTunes library ? I was told that I can watch a port to see if there is data streaming through it.
What is the port used for this ?
Regards.
Robert Lespérance
Québec, Canada

Hi Chris,
My computer does not go to sleep in response to the system preferences's setup. It has always been like that since I bought my iMac. I have submitted this problem to this forum many times and was never able to find a clue.
I don't have any other problem with my iMac and it works great. I also didn't want to go through a full reinstall. In order to get it to sleep, I wrote a little handler script that monitors my computer's activity. It looks at specific apps or processes and monitors their activity. If none of these apps or processes have been active for a specified amount of time, the script forces my computer to sleep.
When streaming is pushed from iTunes to my Apple TV, iTunes is then acting as a server. I can see if it is using CPU. I monitor it's activity and put it to sleep when the delay is expired. When streaming is pulled from my Apple TV, iTunes does not use my CPU and I don't know how to monitor this specific «pulled streaming». I hope that this better explains what I am trying to do.
Thanks in advance.

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Since a couple days ago, when I stream a TV show I have brought from iTunes directly to watch it works fine but every 8 - 9 minutes, without fail it will cut off and say the iTunes store is not avaliable. I then simple press play again and it starts again, but then 8 - 9 minutes later the same thing happens? Does anyone know a way to fix this?? It's very frustrating when you're watching an hour long TV show and it cuts off 6 or 7 times!!
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its something on itunes part, like lantzn said we all been trying to get them to help us
if you stream from your library---- works fine
if you stream from netflix-----all is fine
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you can resume but just 9 min later the same thing happens again.
I have spent 2 days trouble shooting the issue with Apple care, I even opened a new Apple tv I got for my family room which is doing the same thing, I reset my settings, I refreshed my network still the same problem
today on a return call I got from apple care they agree its on itunes end, so he made a call or chat whatever they did to the tech support at the itunes store dept and they gave him the same as I got from express lane, everything is fine on their end....its not!
they told him to tell me its my network ...its not! I have 2 xbox consoles and they both work fine when I stream videos, I have no issue with anything on my Apple tv such as youtube or netflix or my library
jus the store.
there are so many complaining on this exact issue and they need to understand
the coomon issues we all have
started on the 19th of this month
itune store cuts off after 8min and 59 sec
it can resume but will cut off after 8min and 59 sec
can watch netflix with no problems
can use my library to stream with no problems
it could be a server issue or update but the new apple tv I opened was 4.4.3 and it had the same issues as the one I been using which is 4.4.4
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The jack just seems to be shut off
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Prevent computer sleep when Apple TV is streaming from iTunes ...

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