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Old 06-17-2008, 04:48 PM
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infocus13 infocus13 is offline
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Join Date: Aug 2007
Posts: 199
WMV HD files stuttering on the HD100

Hey guys

First off some system specs. HD100 connected to an AMD X2 4200 server pc (2gb ram, 5xdisks with 2TB total), onboard video. Connected to the HD100 via a wired lan/switch. HD100 is connected to a 720p (max res is 1080i) CRT TV via HDMI. Resolution is 720p.

Everything about the HD100 is working fine except when I try to play my HD WMV video clips from the server on it (most of the clips are the ones from the Microsoft HD gallery/site, the 1080p "Coral Reef" clip is the one exhibiting the most problems) . The clips are stuttering badly. Whilst the clips are playing, the server CPU is sitting at around 50-60%, indicating that Sage is transcoding the clips and sending them across. Most of the clips are 1080i/p or 720p. My network usage meter indicates that only 3% of the bandwidth is being used.

If I change the video conversion quality in SageTV server properties from High to Standard, the stuttering mainly goes away (still a little bit let though). What could be the problem here??

1. Is my CPU just not powerful enough to transcode these files? Note that my usage is at 50-60%, not 100%.

2. When I had the server working as a dedicated HTPC, I had a 2600pro video card in it (which I removed when I got the HD100). All these clips played perfectly in that configuration. Should I put the card back into the server to help with the WMV transcoding?

3. I have a cheapo 8-port switch (non gigabit) which connects the server and the hd100. Could this be the problem? I read in one of the other posts on here that somene had a similar issue, which was fixed by replacing the cheap switch with a quality one...

4. I've also removed all video codecs (ffdshow) and decoders (cyberlink) from the server. Do I maybe need to install these back to assist with the transcoding?

Note I'm using the latest beta of Sage and hd100 firmware.

Any ideas guys?

Thanks in advance.

Last edited by infocus13; 06-17-2008 at 09:02 PM.
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