https://bugzilla.wikimedia.org/show_bug.cgi?id=61690
Bug ID: 61690
Summary: Add 360p, 240p Theora (.ogv) transcodes to
TimedMediaHandler config
Product: Wikimedia
Version: wmf-deployment
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Media storage
Assignee: wikibugs-l@lists.wikimedia.org
Reporter: br...@wikimedia.org
CC: aarcos.w...@gmail.com, bawolff...@gmail.com,
fflo...@wikimedia.org, gti...@wikimedia.org,
mtrac...@member.fsf.org
Web browser: ---
Mobile Platform: ---
Currently we're producing Ogg Theora (.ogv) transcodes at only 480p (or
original size if smaller), while we produce a wider range of resolutions in
WebM/VP8.
Our current fallback when there is no WebM or Theora support natively is the
Java Cortado applet which only plays back Theora, so on full SD or HD source
videos it is stuck with a relatively large 480p version.
A 360p video has about half the pixels to process as a 480p video, and a 240p
video has half again. That makes a big difference in software decoding on a
slow CPU or dynamic language VM!
Note I'm also experimenting with JavaScript, and starting to look at Flash, for
alternate fallbacks in the future as Java applets are increasingly difficult to
use in recent versions. Both cases will probably also prefer Theora over
WebM/VP8 because it is less demanding on the CPU.
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