libavcodec may be vunerable or is not supported, and should be updatd to play video

[naren balusu]

Unable to play videos in firefox browser

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: firefox 50.1.0+build2-0ubuntu0.12.04.1
ProcVersionSignature: Ubuntu 3.13.0-105.152~precise1-generic 3.13.11-ckt39
Uname: Linux 3.13.0-105-generic x86_64
AddonCompatCheckDisabled: False
AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.13.0-105-generic.
ApportVersion: 2.0.1-0ubuntu17.15
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 1: PCH [HDA Intel PCH], device 0: ALC3234 Analog [ALC3234 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: nren 2141 F.... pulseaudio
 /dev/snd/controlC0: nren 2141 F.... pulseaudio
BuildID: 20161209094312
Card0.Amixer.info:
 Card hw:0 'HDMI'/'HDA Intel HDMI at 0xf7e14000 irq 62'
   Mixer name : 'Intel Haswell HDMI'
   Components : 'HDA:80862807,80860101,00100000'
   Controls : 21
   Simple ctrls : 3
Card1.Amixer.info:
 Card hw:1 'PCH'/'HDA Intel PCH at 0xf7e10000 irq 61'
   Mixer name : 'Realtek ALC3234'
   Components : 'HDA:10ec0255,10280651,00100002'
   Controls : 26
   Simple ctrls : 13
Channel: Unavailable
Date: Sun Dec 18 15:10:12 2016
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-precise-amd64-20130203-1
ForcedLayersAccel: False
IfupdownConfig:
 auto lo
 iface lo inet loopback
IncompatibleExtensions:
 Global Menu Bar integration - <email address hidden>
 English (South Africa) Language Pack - <email address hidden>
 English (GB) Language Pack - <email address hidden>
 Default - {972ce4c6-7e08-4474-a285-3208198ce6fd}
InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary 20130203-13:50
IpRoute:
 default via 192.168.0.1 dev wlan0 proto static
 169.254.0.0/16 dev wlan0 scope link metric 1000
 192.168.0.0/24 dev wlan0 proto kernel scope link src 192.168.0.9 metric 2
MarkForUpload: True
MostRecentCrashID: bp-7e23075f-55d5-40ee-9978-3ac432161108
PrefSources: prefs.js
ProcEnviron:
 LANGUAGE=en_IN:en
 PATH=(custom, no user)
 LANG=en_IN
 SHELL=/bin/bash
Profiles: Profile0 (Default) - LastVersion=50.1.0/20161209094312 (In use)
RelatedPackageVersions:
 totem-mozilla 3.0.1-0ubuntu21.1
 adobe-flashplugin 11.2.202.261-0precise1
 rhythmbox-mozilla 2.96-0ubuntu4.3
 icedtea-6-plugin 1.2.3-0ubuntu0.12.04.4
RunningIncompatibleAddons: True
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/21/2015
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A07
dmi.board.name: 0KHNVP
dmi.board.vendor: Dell Inc.
dmi.board.version: A07
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: Not Specified
dmi.modalias: dmi:bvnDellInc.:bvrA07:bd05/21/2015:svnDellInc.:pnInspiron3542:pvrNotSpecified:rvnDellInc.:rn0KHNVP:rvrA07:cvnDellInc.:ct8:cvrNotSpecified:
dmi.product.name: Inspiron 3542
dmi.product.version: Not Specified
dmi.sys.vendor: Dell Inc.