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Stutter when playing video over the LAN

post #1 of 15
12/27/07 at 3:45pm
Thread Starter 
I have been playing HDDVD rips, Bluray rips, and reencodes(mkv) over the network. One computer has more space and I use it to rip and reencode the movies and that is not attached to the TV. So I play the files with my HTPC which gets the files from the hard drive on my other computer. Note that both computer are using windows vista(HTPC is using Ultimate, other PC is using Home Premium). When I play the files every once in a while the film slightly stutters for a few seconds, most notably during panning shots. This happens in every film. What gives? Can this be fixed?
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post #2 of 15
12/27/07 at 4:40pm
Your network is having bandwidth problems transferring data intensive encoded video. Lots of motion or panning is very data intensive since the amount and size of change frames is large.
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post #3 of 15
12/27/07 at 4:52pm
This shouldn't be a problem with a 100mbit network or greater. Have you tried playing the files from the hard drive? Problems during panning shots sound more like CPU-related issues.
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post #4 of 15
12/27/07 at 6:22pm
The problem is Vista.

Read here

And here
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post #5 of 15
12/27/07 at 8:51pm
Thread Starter 
I have gigabit ethernet. it looks like it is a Vista problem. Hope SP1 fixes it.
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post #6 of 15
12/28/07 at 6:06am
Is any part of your network wireless or is it all wired?
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post #7 of 15
12/28/07 at 8:30am
Thread Starter 
I have a combo wireless/wired router, but it does have gigabit ports on it. Everything I am using now is wired.
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post #8 of 15
12/28/07 at 8:53am
Is the souce system Idle except for the support of sending the encoded files to the destination machine?
What size are the riped files in GB per hour of recording?
Is there any other device connected to the router running with any network activity when you have the stuttering?
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post #9 of 15
12/28/07 at 9:51am
Thread Starter 
Generally I will have torrents uploading while I am streaming but rarely go over 20KB/s which should not affect a gigabit ethernet connection. The Planet Earth episodes I ripped are about 4.3gigabytes for an hour. The other connected device is an HDHomeRun which is generally idle.
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post #10 of 15
12/28/07 at 10:56am
Quote:
Originally Posted by xb1az3x View Post

I have gigabit ethernet. it looks like it is a Vista problem. Hope SP1 fixes it.

There was an update that SP1 will have a dialog that will allow you to increase the priority of the network process. This will hopefully fix the problem.
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post #11 of 15
12/28/07 at 10:57am
What's your CPU usage while playing the file? It seems like those files are around 13 mbit/sec, which even Vista with poor performance can sustain easily.
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post #12 of 15
12/28/07 at 1:25pm
Quote:
Originally Posted by xb1az3x View Post

Generally I will have torrents uploading while I am streaming but rarely go over 20KB/s which should not affect a gigabit ethernet connection. The Planet Earth episodes I ripped are about 4.3gigabytes for an hour. The other connected device is an HDHomeRun which is generally idle.

Your router can only receive or send content from one connection at a time so home networks can easily conjested regardless of how fast any one port transfer at when nothing else is happening.
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post #13 of 15
12/28/07 at 2:21pm
Quote:
Originally Posted by walford View Post

Your router can only receive or send content from one connection at a time so home networks can easily conjested regardless of how fast any one port transfer at when nothing else is happening.

What are you talking about?

There is no routing involved when transferring files on a home LAN. The router might have a built-in switch. Gigabit ethernet is full-duplex.
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post #14 of 15
12/28/07 at 4:20pm
I was not talking about routing I was stating that a home router (or switch) can not perform two operations at the same time. This is because they do not have multiple send/receive buffers or multiple I/O processors.
Yes. Using a switch is much better then a hub since the signal only has to be sent to the destination device.
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post #15 of 15
12/28/07 at 7:24pm
Quote:
Originally Posted by walford View Post

I was not talking about routing I was stating that a home router (or switch) can not perform two operations at the same time. This is because they do not have multiple send/receive buffers or multiple I/O processors.
Yes. Using a switch is much better then a hub since the signal only has to be sent to the destination device.


It's going to be fine.
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