On 2014/10/24 13:46, Anthony Jones wrote:
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
Hi,
Just reporting what I observed after a source refresh half a day ago.
I noticed during C-C TB compilation
a file under common needs to be copied to encoder, another one to
decoder directory .
I am talking about files below these directories.
mozilla/media/libvpx/vp9/{common,encoder,decoder}
But since C-C was in such a disarray in terms of compilation lately,
etc., and the source was refreshed just before this compilation effort,
I am not sure if the configuration was quite correct.
I failed to write down a memo exactly which files were
copied. I thought I was logging it using script, but did not.
I clobbered and then tried to see how it would work out, and then was
side-tracked by bug 1088497
I can compare the directory to report what files were copied
if no such bugs have been filed yet and you are not aware of the issue.
(I tried to see which one by timestamp, but python client.py checkout
seems to give same timestamps to all the files and so I am not sure
which ones were copied. cp or Emacs's filecopy seems to preserve the
timestamp. That is good sometimes, but annoying sometimes.)
But then again, I am not entirely sure if it was a temporal hiccup after
the source refresh.
Just an observation.
TIA
TIA
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