[Webkit-unassigned] [Bug 157314] New: [GStreamer][MSE] Complete backend rework

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue May 3 10:33:49 PDT 2016


            Bug ID: 157314
           Summary: [GStreamer][MSE] Complete backend rework
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Platform
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: eocanha at igalia.com

One important use case for Media Source Extensions on embedded devices is the access to Youtube TV[1]. In its current status, the MSE implementation in GStreamer isn't suitable for Youtube TV (and probably other mainstream services requiring MSE), as proved by the poor passrate (25/57) obtained in the "MSE Conformance Tests"[2].

A major MSE GStreamer platform code rework has been done in a downstream port. It gets a 57/57 passrate. You can read the whole story in [3] and [4]. It would be a pleasure for our team to contribute that work back to upstream WebKit so that all the ports using GStreamer can benefit from it.

The whole patch is pretty big and involves an update to GStreamer 1.8, so I'd like this bug to become a meta-bug and try to split the changes in smaller subtasks.

[1] http://youtube.com/tv
[2] http://yt-dash-mse-test.commondatastorage.googleapis.com/unit-tests/2016.html
[3] http://blogs.igalia.com/eocanha/2016/02/18/improving-media-source-extensions-on-gstreamer-based-webkit-ports/
[4] http://blogs.igalia.com/xrcalvar/2016/02/26/uber-latest-media-source-extensions-improvements-in-webkit-with-gstreamer/

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