[Bug 748764] [NEW] npviewer flash video is blocky

[itismike]

Public bug reported:

Binary package hint: firefox

All videos on http://www.moviefone.com/movie/ are extremely choppy. They barely play, and when they do there are several large squares of video that flash as black squares. Here's an example:
http://www.moviefone.com/movie/the-adjustment-bureau/50762/main
I attempted to catch a screenshot of it, but it displays fine in the screencapture and the black squares aren't visible.

Attached are the actual screenshot, and a 'simulated' pic showing the size and location of the black boxes
This is on a MacBook 6,2 running the 64-bit version of Natty Narwhal Beta 1

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: firefox 4.0~rc2+build3+nobinonly-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-generic x86_64
NonfreeKernelModules: wl nvidia
Architecture: amd64
Date: Sat Apr  2 20:23:58 2011
FirefoxPackages:
 firefox 4.0~rc2+build3+nobinonly-0ubuntu2
 flashplugin-installer 10.2.153.1ubuntu1
 adobe-flashplugin N/A
 icedtea-plugin 1.1~20110320-0ubuntu1
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64+mac (20110312)
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: firefox
UpgradeStatus: Upgraded to natty on 2011-03-24 (9 days ago)

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug natty running-unity

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https://bugs.launchpad.net/bugs/748764

Title:
  npviewer flash video is blocky