[theora] Indexing Ogg files for faster seeking

Silvia Pfeiffer silviapfeiffer1 at gmail.com
Tue Nov 3 19:27:12 PST 2009

Holy crap! That's awesome! Will have to test in the next few days.


On Tue, Nov 3, 2009 at 1:24 PM, Chris Pearce <chris at pearce.org.nz> wrote:
> Hey guys,
> We've landed keyframe indexing in ffmpeg2theora over the weekend, so if
> you can, please pull ffmpeg2theora from svn and test it. To encode with
> indexing, specify the --seek-index command line parameter when running
> ffmpeg2theora. Please test it, break it, and then report bugs to me, so
> I can improve it!
> This uses the "index in skeleton" approach, and writes a Skeleton3.1
> index track when indexing, as per
> http://github.com/cpearce/OggIndex/blob/skeleton-index-per-stream/Index-in-skeleton-spec.txt
> otherwise it writes a Skeleton3.0. It only requires one write pass of
> the main encoded video data.
> Firefox index-capable builds are located here:
> http://pearce.org.nz/video/try-a87723a3fd1a-linux.tar.bz2
> http://pearce.org.nz/video/try-a87723a3fd1a-macosx.dmg
> http://pearce.org.nz/video/try-a87723a3fd1a-win32.zip
> Chris P.
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> theora at xiph.org
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