I've tested this file with avplay from libav 11.1. The issue seems to be fixed.
** Changed in: libav (Ubuntu) Status: New => Fix Released ** Changed in: libav Status: New => Fix Released -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to libav in Ubuntu. https://bugs.launchpad.net/bugs/905753 Title: libav fails to decode H.264 stream Status in the libav multimedia framework: Fix Released Status in libav package in Ubuntu: Fix Released Bug description: Any of oneiric libavcodec53, libavcodec-extra-53 or libav's git HEAD from [1] fails on the attached stream. A gray rectangle is displayed. Both HEADs of release/0.7 and release/0.9 from ffmpeg [2] produce correct frame sequence. 1. git://git.libav.org/libav.git 2. git://git.videolan.org/ffmpeg.git ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: libavcodec53 (not installed) ProcVersionSignature: Ubuntu 3.0.0-15.24-generic 3.0.13 Uname: Linux 3.0.0-15-generic x86_64 ApportVersion: 1.23-0ubuntu4 Architecture: amd64 Date: Sun Dec 18 02:43:18 2011 InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110426) ProcEnviron: LANGUAGE=en_GB:en PATH=(custom, user) LANG=en_GB.UTF-8 SHELL=/bin/bash SourcePackage: libav UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/libav/+bug/905753/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp