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[Bug 1418179] [NEW] Motion jpeg streams flicker

 

Public bug reported:

When viewing motion jpeg streams from a web camera controled by
zoneminder the stream flickers (shows the image placeholder between two
images).

I can not pinpoint when this started, but probably within the last
month.  Does not happen in other browsers, but happens on multiple
computers using firefox.

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: firefox 36.0~b4+build1-0ubuntu0.14.10.1
ProcVersionSignature: Ubuntu 3.16.0-30.40-generic 3.16.7-ckt3
Uname: Linux 3.16.0-30-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.14.7-0ubuntu8.1
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  joshwebb   2291 F.... pulseaudio
                      joshwebb  22997 F.... pulseaudio
 /dev/snd/controlC0:  joshwebb   2291 F.... pulseaudio
                      joshwebb  22997 F.... pulseaudio
BuildID: 20150127150709
Channel: Unavailable
CurrentDesktop: X-Cinnamon
Date: Wed Feb  4 13:13:38 2015
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
IncompatibleExtensions:
 English (South Africa) Language Pack - langpack-en-ZA@xxxxxxxxxxxxxxxxxxx
 English (GB) Language Pack - langpack-en-GB@xxxxxxxxxxxxxxxxxxx
InstallationDate: Installed on 2014-11-30 (65 days ago)
InstallationMedia: Ubuntu-GNOME 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
IpRoute:
 default via 192.168.0.1 dev eth0  proto static  initcwnd 10
 10.8.0.0/24 via 10.8.0.2 dev tun0 
 10.8.0.2 dev tun0  proto kernel  scope link  src 10.8.0.1 
 192.168.0.0/24 dev eth0  proto kernel  scope link  src 192.168.0.2  metric 1 
 192.168.122.0/24 dev virbr0  proto kernel  scope link  src 192.168.122.1
MostRecentCrashID: bp-4d0ec8c7-65be-4f66-9c6a-8356e2150120
PrefSources:
 prefs.js
 [Profile]/extensions/{b9db16a4-6edc-47ec-a1f4-b86292ed211d}/defaults/preferences/prefs-dwhelper.js
 /usr/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/ubufox@xxxxxxxxxx/defaults/preferences/001ubuntu-gnome-mods.js
 [Profile]/extensions/{0545b830-f0aa-4d7e-8820-50a4629a56fe}/defaults/preferences/defaults.js
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Profiles: Profile0 (Default) - LastVersion=36.0/20150127150709 (In use)
RelatedPackageVersions:
 totem-mozilla     3.10.1-1ubuntu6
 rhythmbox-mozilla 3.0.3-1ubuntu2
 icaclient         13.1.0.285639
 gnome-shell       3.12.2-1ubuntu7
RfKill:
 0: phy0: Wireless LAN
 	Soft blocked: no
 	Hard blocked: no
RunningIncompatibleAddons: True
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/13/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2104
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: P8Z77-V
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2104:bd08/13/2013:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnP8Z77-V:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

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


** Tags: amd64 apport-bug utopic

-- 
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https://bugs.launchpad.net/bugs/1418179

Title:
  Motion jpeg streams flicker

Status in firefox package in Ubuntu:
  New

Bug description:
  When viewing motion jpeg streams from a web camera controled by
  zoneminder the stream flickers (shows the image placeholder between
  two images).

  I can not pinpoint when this started, but probably within the last
  month.  Does not happen in other browsers, but happens on multiple
  computers using firefox.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: firefox 36.0~b4+build1-0ubuntu0.14.10.1
  ProcVersionSignature: Ubuntu 3.16.0-30.40-generic 3.16.7-ckt3
  Uname: Linux 3.16.0-30-generic x86_64
  AddonCompatCheckDisabled: False
  ApportVersion: 2.14.7-0ubuntu8.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  joshwebb   2291 F.... pulseaudio
                        joshwebb  22997 F.... pulseaudio
   /dev/snd/controlC0:  joshwebb   2291 F.... pulseaudio
                        joshwebb  22997 F.... pulseaudio
  BuildID: 20150127150709
  Channel: Unavailable
  CurrentDesktop: X-Cinnamon
  Date: Wed Feb  4 13:13:38 2015
  ForcedLayersAccel: False
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  IncompatibleExtensions:
   English (South Africa) Language Pack - langpack-en-ZA@xxxxxxxxxxxxxxxxxxx
   English (GB) Language Pack - langpack-en-GB@xxxxxxxxxxxxxxxxxxx
  InstallationDate: Installed on 2014-11-30 (65 days ago)
  InstallationMedia: Ubuntu-GNOME 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  IpRoute:
   default via 192.168.0.1 dev eth0  proto static  initcwnd 10
   10.8.0.0/24 via 10.8.0.2 dev tun0 
   10.8.0.2 dev tun0  proto kernel  scope link  src 10.8.0.1 
   192.168.0.0/24 dev eth0  proto kernel  scope link  src 192.168.0.2  metric 1 
   192.168.122.0/24 dev virbr0  proto kernel  scope link  src 192.168.122.1
  MostRecentCrashID: bp-4d0ec8c7-65be-4f66-9c6a-8356e2150120
  PrefSources:
   prefs.js
   [Profile]/extensions/{b9db16a4-6edc-47ec-a1f4-b86292ed211d}/defaults/preferences/prefs-dwhelper.js
   /usr/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/ubufox@xxxxxxxxxx/defaults/preferences/001ubuntu-gnome-mods.js
   [Profile]/extensions/{0545b830-f0aa-4d7e-8820-50a4629a56fe}/defaults/preferences/defaults.js
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  Profiles: Profile0 (Default) - LastVersion=36.0/20150127150709 (In use)
  RelatedPackageVersions:
   totem-mozilla     3.10.1-1ubuntu6
   rhythmbox-mozilla 3.0.3-1ubuntu2
   icaclient         13.1.0.285639
   gnome-shell       3.12.2-1ubuntu7
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  RunningIncompatibleAddons: True
  SourcePackage: firefox
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/13/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 2104
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: P8Z77-V
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2104:bd08/13/2013:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnP8Z77-V:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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References