[jgraves4480]

I have a video I recorded from my HTC 8x that is 1080p mp4 that will not play on my laptop smooth. I have loaded codecs, checked drivers, even dual booted to vista. Is there some new codec I may be missing? Also other videos of like format are choppy. My wife's netbook and laptop play them fine.

[jgraves4480]

Is there no one that can shed some light?

[Bearach]

Would need more information to be able to help. Could you post hardware information of your laptop? For instance processor and especially graphics chip. The Media Foundation Codecs built into Windows 8, has support for the video format, so codecs shouldn't be required.

[jgraves4480]

Amd turion 64 2Ghz processor, alienware m9700, nvidia go 7900gs, 2gb ram. The norm for a $3500 paperweight bought at the beginning of 2007. Yes it's old, but vista ran hd mp4 and mkv files fine. Seems like codecs have been blocked in windows 8. It's like hardware acceleration is not being used on the video card. Vlc just seems messed up since the last update. The only player I ever used was wmp. I even tried recoding the video to avi format, still choppy. I just keep thinking I saw this way back in 2008 and it was a codec issue.

[Bearach]

It does look like it may be an issue with hardware acceleration. You would need hardware accelerated video decoding for that system. Make sure you have/are using the latest drivers that you can for the video, though you may need to experiment with different drivers to find one that works best.

There is a few things you could try:

FFDShow and make sure you select under it's configuration to decode H.264. ffdshow tryouts | Official Website

Cyberlink's DXVA (older PowerDVD has), some users find it better for CPU utilization.

CoreAVC, not free. CoreAVC 3.0.1 (for Windows) | CoreCodec

DivX which has a H.264 decoder, I can't speak for how good the acceleration is as I've not used. Convert, play and stream DivX, MKV, AVI, MP4 video | DivX.com

[jgraves4480]

Thanks I think I found the problem. My sli setup was why I wasn't having issues before. One of my 2 video cards is d.o.a. Gotta get a new one. Thanks for the links. I will dig through and see what may help.

[jgraves4480]

Ok I re-encoded the video and it plays. What? Same resolution. Except aac codec. I assume that is HD. Higher compression rate I guess.

[Bearach]

AAC is the audio codec. Not the video codec used. Maybe check your sound drivers.

[jgraves4480]

Yeah I thought about sound, but its weird that the HTC 8x is recording video in a codec not available. But sound drivers are updated and video drivers.

[Bearach]

The audio codec is available, and is built into Windows. You're perhaps having issues with your sound drivers and/or hardware acceleration.

[jgraves4480]

Yeah I think the compression is to high on the HTC 8x for one video card to handle. I'm gonna test my second card in slot one and see if it boots ok. If not gotta buy a new used one. If they had the 64bit audio drivers I'd run 64bit os. I think that is the main issue now.