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[Launchpad Bug Tracker <918688@xxxxxxxxxxxxxxxxxx>]

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[Impact]
Whenever an application that uses Phonon also uses a webkit that uses gstreamer, webkit will install its own webkit based http source. This source is then expoed to Phonon which tries to set a user-agent on it, which is not supported and the webkit source decides that it does not want to work when someone tries to do that. As a result http streaming is broken in any such setup.
https://bugs.kde.org/show_bug.cgi?id=310763

[Test Case]
* Install tomahawk and phonon-backend-gstreamer 4.6.2
* Activate a couple of http resolvers (e.g. soundcloud and youtube)
* Search for random tracks and try to play ones coming from resolvers
* Obesrve that streaming does not work a lot of times (not always).

[Regression Potential]
The proposed fix disables user-agent setting if the source has no user-agent property, so there is no regression potential as there would not be a phonon user-agent set at any rate.

-- Original Report ----------------------------------
I was trying to use tomahawk from https://launchpad.net/~tomahawk/+archive/ppa using phonon and phonon-backend-gstreamer. Unfortunately that didn't work with the audio sources in tomahawk that are streamed over HTTP. According to users in the tomahawk IRC channel this issue is in phonon-backend-gstreamer, as the phonon-backend-vlc works fine.

** Affects: openshot (Ubuntu)
     Importance: Medium
     Assignee: Harald Sitter (apachelogger)
         Status: Fix Released

** Affects: openshot (Ubuntu Precise)
     Importance: Medium
     Assignee: Harald Sitter (apachelogger)
         Status: In Progress

** Affects: openshot (Ubuntu Quantal)
     Importance: Medium
     Assignee: Harald Sitter (apachelogger)
         Status: Fix Committed

** Affects: openshot (Ubuntu Raring)
     Importance: Medium
     Assignee: Harald Sitter (apachelogger)
         Status: Fix Released


** Tags: verification-needed
-- 
phonon-backend-gstreamer seems to have issues playing from http
https://bugs.launchpad.net/bugs/918688
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