OMwiki:Tech

(Difference between revisions)
(Known issues:: split section)
(merget sections, fix Mainline link)
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*[http://cinelerra.org/ Cinelerra-CV] is buggy (compilation from source helps)
*[http://cinelerra.org/ Cinelerra-CV] is buggy (compilation from source helps)
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<br>
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=='''Scripts needed:'''==
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*Retool [http://svn.wikimedia.org/viewvc/mediawiki/trunk/extensions/MetavidWiki/maintenance/download_from_archive_org.php?view=markup download_from_archive_org.php] to work with different source videos and meta tags from the [http://archive.org Internet Archive].  Simultaneously generate [[wikipedia:Media RSS|Media RSS]] <nowiki><items></nowiki> from the same information, and insert <tt>date_start_time</tt> into <tt>mv_streams</tt>.
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*Script to import MetaVidWiki clips from apps that can produce [[wikipedia:SubRip|.srt]] or [[wikipedia:Continuous_Media_Markup_Language|.cmml]] captions (''e.g.,'' [http://gnome-subtitles.sourceforge.net/ Gnome Subtitles])
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*Find a command-line script that produces .torrents that include multiple HTTP seeds, no tracker, a comment, and  works with [[wikipedia:BitTorrent_(software)|Mainline]].
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<br>
==New Features==
==New Features==
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*[http://lists.wikimedia.org/pipermail/metavid-l/2009-August/000055.html Email thread on MetaVid-l]
*Implement a Vorbis-only option on video streams for low-bandwidth connections.
*Implement a Vorbis-only option on video streams for low-bandwidth connections.
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*YUV4MPEG support in [http://www.blender.org/ Blender], to send to [http://v2v.cc/~j/ffmpeg2theora/ ffmpeg2theora] ([http://lists.mplayerhq.hu/pipermail/libav-user/2009-March/002639.html email thread])
*YUV4MPEG support in [http://www.blender.org/ Blender], to send to [http://v2v.cc/~j/ffmpeg2theora/ ffmpeg2theora] ([http://lists.mplayerhq.hu/pipermail/libav-user/2009-March/002639.html email thread])
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<br>
 
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=='''Scripts needed:'''==
 
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*Retool [http://svn.wikimedia.org/viewvc/mediawiki/trunk/extensions/MetavidWiki/maintenance/download_from_archive_org.php?view=markup download_from_archive_org.php] to work with different source videos and meta tags from the [http://archive.org Internet Archive].  Simultaneously generate [[wikipedia:Media RSS|Media RSS]] <nowiki><items></nowiki> from the same information, and insert <tt>date_start_time</tt> into <tt>mv_streams</tt>.
 
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*Script to import MetaVidWiki clips from apps that can produce [[wikipedia:SubRip|.srt]] or [[wikipedia:Continuous_Media_Markup_Language|.cmml]] captions (''e.g.,'' [http://gnome-subtitles.sourceforge.net/ Gnome Subtitles])
 
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*Find a command-line script that produces .torrents that include multiple HTTP seeds, no tracker, a comment, and "just works" with [[BitTorrent_(software)|Mainline]].
 
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<br>
 
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=='''Development:'''==
 
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*[http://lists.wikimedia.org/pipermail/metavid-l/2009-August/000055.html Email thread on MetaVid-l]
 
*Automated speaker recognition by frame tagging, corroborated by voice profiles
*Automated speaker recognition by frame tagging, corroborated by voice profiles

Revision as of 04:16, 18 September 2009

Known issues:

(Listed in order of severity.)

  • Videos don't always start playing automatically after 'play' icon is clicked. Bumping the seek marker slightly to the right helps. Might be related to doActualPlay in nativeEmbed.js.
  • Find a way to add style="width:352px;" to embed code in 352×240 streams.
  • Search works but has a few issues (punctuation stripped, 'play inline' plays audio although video is paused, search-by-date not yet enabled for all videos)
  • Video playback might take ~6 seconds to start for timecodes towards the end of the meeting (pending seeking support in oggz-chop)




Scripts needed:

  • Retool download_from_archive_org.php to work with different source videos and meta tags from the Internet Archive. Simultaneously generate Media RSS <items> from the same information, and insert date_start_time into mv_streams.
  • Script to import MetaVidWiki clips from apps that can produce .srt or .cmml captions (e.g., Gnome Subtitles)
  • Find a command-line script that produces .torrents that include multiple HTTP seeds, no tracker, a comment, and works with Mainline.



New Features

  • Implement a Vorbis-only option on video streams for low-bandwidth connections.
  • Automated speaker recognition by frame tagging, corroborated by voice profiles



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All videos and text are published under the CC-BY 3.0 U. S. or CC-BY-SA 3.0. copyright licenses.  Details.