[Trisquel-devel] Fwd: MSE WebM/VP9 enabled on nightly

zatroch at riseup.net zatroch at riseup.net
Mon Oct 27 12:34:21 CET 2014



-------- Pôvodná správa --------
Predmet: MSE WebM/VP9 enabled on nightly
Dátum: 2014-10-24 06:46
Od: Anthony Jones <ajones at mozilla.com>
Komu: mozilla-dev-media at lists.mozilla.org

I just wanted to give a heads up to everyone that we enabled Media
Source Extensions on nightly for WebM/VP9. This brings Adaptive
Streaming capability to Firefox video playback. The feature is not
complete so the pref will automatically turn off when it gets to
beta/release if we do nothing.

You can check on YouTube by right clicking the playing video and
selecting "Stats for nerds" which should appear above the "About the
HTML5 player" option. If you see "DASH: yes" then you are now living in
the future.

This affects YouTube but may also affect sites that use MSE with
WebM/VP9 but it could also affect sites that use MSE but fail to check
codec compatibility.

Please file any (unfiled) issues you experience as blocking bug 1083588.
Don't expect it to be perfect and if you run into trouble you can set
media.mediasource.enabled to false in your about:config

Anthony
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