[Foundation-l] Recommending a Browser for High Quality Ogg Theora Video Support

Pharos pharosofalexandria at gmail.com
Fri Jul 10 12:57:00 UTC 2009


On Fri, Jul 10, 2009 at 12:41 AM, Gregory Maxwell<gmaxwell at gmail.com> wrote:
> geni geniice at gmail.com wrote:
>> I assume you are pointing to the "Downpreffed VLC because it crashes
>> my browser all the damn time -- TS" comment.
>> Still another problem with recommending an option is well when this happens:
>> http://commons.wikimedia.org/wiki/File:Videoscreengrab_of_Morris_C8_towing.ogv
>> As you can see following the recommended course of action results in a
>> far from idea experience. Now to be fair [[File:Morris C8 towing.ogv]]
>> is known to cause problems when played but it does work on the VLC
>> plugin with firefox 3.0 at least on my system.
>
> Mozilla is quite responsive. (I fixed quite a few video bugs prior to release)
>
> But in this case there doesn't appear to be any real firefox problem.
>
> You've got a >6mbit/sec Ogg/Theora file. The stalling is because
> firefox doesn't prebuffer and your connection isn't fast enough to get
> ahead of it. Once the file is transferred moving the playhead back to
> the start gives smooth video.
>
> Prebuffering can be achieved by setting the autobuffer parameter
> before playback begins. The current way video is launched by the site
> defeats that. Other playback methods will hold the initial playback
> until some buffer has filled, so they don't exhibit the same behavior.
>
> This situation can be improved by managing the buffering process using
> JS or simply making good use of autobuffer.
>
> But the real flaw here is expecting a 6mbit/sec file to stream…
> Unfortunately until we have some trans-coding infrastructure that will
> remain a problem.
>
> I was thinking about running a bot to take all uploaded videos shrink
> them to 480px (if larger) and encode at reasonable streaming friendly
> bitrates, then uploading back as filename_thumb480 and replacing them
> in articles.  I'm not sure how people will feel about that but it will
> greatly improve video playability without encouraging people to upload
> at low qualities which are completely unsuitable for editing.

I presume there's no way to thumbnail them in a way analogous to how
images are thumbnailed?

Thanks,
Pharos

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