(Re-posting, since it's been three hours and my first response still hasn't
As far as I've seen, there's not a PC on the planet fast enough to allow
QuickTime to reliably play 1080p AVC without stuttering or dropping frames.
The good news is that PCs can do this easily, just not with QuickTime.
Either use VLC, or play MPEG-4 files in Windows Media Player by installing
an MPEG-4 splitter, AAC decoder, and AVC decoder for DirectShow. I'll
follow up later with complete instructions for doing that.
Behalf Of Nicholas
Sent: Monday, August 07, 2006 8:16 PM
Subject: RE: 1080p HD Content; Unplayable at all on any Windows PC?
[Since my HTML e-mail apparently didn't work..]
Yes, the subject was meant to get your attention.
I have a brand new Dell PC, XPS 400, Pentium 4, 3.2 GHz (dual-core) with 2
gigabytes of memory. Video card is a top of the line ATI Radeon X1900 XTX
512meg. Quicktime is configured for 5.1 speakers, 44KHz, going through a
Soundblaster X-Fi XtremeMusic card. Brand new installation of Windows XP
Media Center edition, completely up to date with drivers/software (including
the latest Quicktime) and the playback of 1080p content "slows down" every 2
seconds or so. It's like 3 seconds of smooth playback, then 2 seconds of
slightly choppy.. repeat over and over.
This is a completely new installation of Windows (without any of Dell's
junkware) and there is nothing else running in the background. I'm really
out of ideas on this one.
Anyone else experience this? In searching the web, I've found a few other
places where people are complaining about the same thing:
Windows Media HD clips and DIVX HD clips play back fine, as do standard
transport streams in 1080p (via nVidia's MPEG2 decoder.)
If an Intel 3.2 GHz dualcore processor is not fast enough to playback 1080p
content on Windows, how the heck are the Intel-based Macs doing it? Apple's
website shows 3GHz dual-core as the bare minimum requirement for 1080p
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