[Webkit-unassigned] [Bug 85378] New: [Qt][gstreamer] playing a big video downloads the whole video at once.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=85378

           Summary: [Qt][gstreamer] playing a big video downloads the
                    whole video at once.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media Elements
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: yael.aharon at nokia.com
                CC: hausmann at webkit.org, alexis.menard at openbossa.org


Playing a video, e.g. 2 hours movie from youtube is downloading the whole video at once.
When using a constrained mobile platform this can cause issues as too much traffic and memory is needed.
gstreamer is issuing callbacks to webkit to block the load (webKitWebSrcEnoughDataCb). And these callbacks are translated into "defersLoading" calls. But in Qt port, we don't really block the load.

I am not sure if this is an issue with GTK port, if it handle "defersLoading" better than Qt port.

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