Attending the GStreamer Conference 2017

This weekend I’ll be in Node5 (Prague) presenting our Media Source Extensions platform implementation work in WebKit using GStreamer.

The Media Source Extensions HTML5 specification allows JavaScript to generate media streams for playback and lets the web page have more control on complex use cases such as adaptive streaming.

My plan for the talk is to start with a brief introduction about the motivation and basic usage of MSE. Next I’ll show a design overview of the WebKit implementation of the spec. Then we’ll go through the iterative evolution of the GStreamer platform-specific parts, as well as its implementation quirks and challenges faced during the development. The talk continues with a demo, some clues about the future work and a final round of questions.

Our recent MSE work has been on desktop WebKitGTK+ (the WebKit version powering the Epiphany, aka: GNOME Web), but we also have MSE working on WPE and optimized for a Raspberry Pi 2. We will be showing it in the Igalia booth, in case you want to see it working live.

I’ll be also attending the GStreamer Hackfest the days before. There I plan to work on webm support in MSE, focusing on any issue in the Matroska demuxer or the vp9/opus/vorbis decoders breaking our use cases.

See you there!

UPDATE 2017-10-22:

The talk slides are available at https://eocanha.org/talks/gstconf2017/gstconf-2017-mse.pdf and the video is available at https://gstconf.ubicast.tv/videos/media-source-extension-on-webkit (the rest of the talks here).

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