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[Ron Johnson <998569@xxxxxxxxxxxxxxxxxx>]

Only works when I disable FlashBlock.  That seems very *wrong*, since
it's a "plain" mp4 file.  (Or at least it appears to be.)

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https://bugs.launchpad.net/bugs/998569

Title:
  Embedded MP4 only plays audio in browser window

Status in firefox package in Ubuntu:
  Fix Released

Bug description:
  On this page:
  http://blogs.msdn.com/b/b8/archive/2012/05/09/redesigning-chkdsk-and-the-new-ntfs-health-model.aspx

  is this link:
  http://media.ch9.ms/ch9/4af7/90f9956a-4b4b-404a-9f01-a8f4bcb34af7/CheckDiskImprovementsforWin8_high.mp4

  Clicking on it blanks the window except for the normal set of media
  controls except that they are *at the top* of the window except at the
  bottom as usual.

  Clicking on the Caret in the upper right of the screen and selecting
  Full Screen shows the video and the audio properly.  In Full Screen
  mode, of course...

  On my wife's Maverick computer with FF 11, the video plays but not the
  audio.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: firefox 12.0+build1-0ubuntu0.12.04.1
  ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
  Uname: Linux 3.2.0-24-generic x86_64
  NonfreeKernelModules: nvidia
  AddonCompatCheckDisabled: False
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ron       17788 F.... pulseaudio
   /dev/snd/controlC2:  ron       17788 F.... pulseaudio
   /dev/snd/controlC0:  ron       17788 F.... pulseaudio
  BuildID: 20120423122928
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Card0.Amixer.info:
   Card hw:0 'SB'/'HDA ATI SB at 0xfe024000 irq 16'
     Mixer name	: 'Realtek ALC889A'
     Components	: 'HDA:10ec0885,1458a002,00100101'
     Controls      : 48
     Simple ctrls  : 22
  Card1.Amixer.info:
   Card hw:1 'NVidia'/'HDA NVidia at 0xfcffc000 irq 19'
     Mixer name	: 'Nvidia GPU 0b HDMI/DP'
     Components	: 'HDA:10de000b,10de0101,00100200'
     Controls      : 24
     Simple ctrls  : 4
  Card2.Amixer.info:
   Card hw:2 'Device'/'Elite Silicon USB Audio Device at usb-0000:00:12.1-1, full speed'
     Mixer name	: 'USB Mixer'
     Components	: 'USB18c3:6255'
     Controls      : 4
     Simple ctrls  : 3
  Channel: release
  Date: Sat May 12 17:29:41 2012
  ForcedLayersAccel: False
  IfupdownConfig:
   auto lo
   iface lo inet loopback
  IncompatibleExtensions: Old Location Bar - ID={3205B348-523A-4fac-9BC4-9939CBF583B0}, Version=2.1.6, minVersion=3.0, maxVersion=11.*, Location=app-profile, Type=extension, Active=Yes
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  IpRoute:
   default via 192.168.1.1 dev eth0  proto static 
   169.254.0.0/16 dev eth0  scope link  metric 1000 
   192.168.1.0/24 dev eth0  proto kernel  scope link  src 192.168.1.10  metric 1
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  Profiles: Profile0 (Default) - LastVersion=12.0/20120423122928 (Running)
  RfKill:
   
  RunningIncompatibleAddons: True
  SourcePackage: firefox
  UpgradeStatus: No upgrade log present (probably fresh install)
  WifiSyslog: May 12 08:55:07 haggis kernel: [598417.037031] ptrace of non-child pid 21143 was attempted by: wineserver (pid 21106)
  dmi.bios.date: 10/08/2009
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F5
  dmi.board.name: GA-MA780G-UD3H
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF5:bd10/08/2009:svnGigabyteTechnologyCo.,Ltd.:pnGA-MA780G-UD3H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-MA780G-UD3H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: GA-MA780G-UD3H
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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