https://bugzilla.wikimedia.org/show_bug.cgi?id=63534

            Bug ID: 63534
           Summary: Updated Theora encoder could create nicer looking
                    transcodes
           Product: Wikimedia
           Version: wmf-deployment
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: Unprioritized
         Component: General/Unknown
          Assignee: wikibugs-l@lists.wikimedia.org
          Reporter: maikmer...@googlemail.com
       Web browser: ---
   Mobile Platform: ---

The video transcoding infrastructure creates Theora versions of uploaded videos
in various resolutions and bitrates. Currently version 0.27 of the
ffmpeg2theora transcoding tool is used which uses the Theora 1.1 encoder.

Current versions of ffmpeg2theora (0.29) usually include the Theora 1.2 encoder
(e.g., http://v2v.cc/~j/ffmpeg2theora/ffmpeg2theora-0.29.linux64.bin). This
often creates much nicer looking videos.


Example:

Original File:
https://commons.wikimedia.org/wiki/File%3ALutra_lutra_grooming.ogv

Wikipedia 360p transcode created ffmpeg2theora 0.27 and Theora 1.1:
http://maikmerten.de/theora-test/Lutra_lutra_grooming.ogv.360p.ogv

360p transcode with ffmpeg2theora 0.29 and Theora 1.2:
http://maikmerten.de/theora-test/Lutra_lutra_grooming.ogv.ogv


The change is quite noticeable on the water.

The updated ffmpeg2theora version expects the same commandline arguments and
should be a drop-in replacement.

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