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ImcEstrechoGrupoTechindyTube
Lista de correo de desarrollo de indytube:
http://lists.codecoop.org/mailman/listinfo/indytube-commits
Ultima versión estable de indytube:
http://codecoop.org/scm/viewvc.php/?root=indytube
De hecho una versión mas nuevo existe aca:
https://svn.engagemedia.org/project/indytube/
Espacio wiki dentro de indymedia sobre indytube:
https://docs.indymedia.org/view/Global/ImcVideoIndyTube
Ejemplo de funcionamiento:
http://www.phillyimc.org/en/2006/11/33840.shtml
Información adicional:
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What is IndyTube??
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This is a very basic script for reencoding arbitrary
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video files to
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flash video (flv), and then including this video in
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the browser with a
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flash video player. The exact same approach can be
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used to embed a
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cortado java player that can play ogg theora files,
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but the files here
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don't do that yet. The overriding design goal is to
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make it
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absolutely trivial for the largest number of users
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to view video
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content, while still making the original files
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available for download,
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and not compromising privacy and anonymity of
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uploaders and viewers by
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relying on a commercial service like YouTube? or
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Google Video.
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Design: Why not build this into the cms?
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--------------------------------
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Video transcoding, even on good hardware, is a
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time-intensive task.
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So any CMS that wanted to support embedded video
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would probably need
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to run the encoding job in an asynchronous process
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anyway. On systems
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that do support asynchronous production processes,
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like Mir, you
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probably wouldn't want to put big encoding jobs into
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the queue anyway,
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because no one wants to wait 20 minutes for a video
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to finish encoding
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when they need to update the startpage. Running the
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video encoding in
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a separate process(the script is designed to be run
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out of cron) also
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allows the encoding process to get "nice'd" to an
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appropriate priority
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so it doesn't bring down your server. It also means
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that it is very
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easy to graft support for embedded video onto any
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existing cms that
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stores video in the file system.
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What do I need to run this?
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---------------------------
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* Python 2.4 or higher
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* Flowplayer, available from
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http://flowplayer.sourceforge.net
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This provides a nice embedded flash video player,
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you should
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download a copy and put a copy on your web site.
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* Mencoder, the Mplayer video encoder/decoder swiss
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army knife.
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This is better than ffmpeg because it is designed
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to handle
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any proprietary cruft that your users throw at it.
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Get it from www.mplayerhq.hu, or, for debian
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packages, from
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www.debian-multimedia.org
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* FLVTool2, http://inlet-media.de/flvtool2
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You need to be able to write some metadata to the
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file so
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users can seek during playback. This ruby program
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does the
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trick (make sure you've got ruby installed!)
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* Cheetah template library for Python.
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You can get this from
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http://www.cheetahtemplate.org/, or just
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'apt-get install python-cheetah'
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How do I set it up?
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-------------------
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First, you need to open up indytube.py and change
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the config variables
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to something sensible(TODO SOON: pull out to command
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line args). Here
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you need to set the paths for your orginal and
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encoded files, plus
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urls for the resources like the flowplayer files and
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your splash
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screen image(an Indymedia one is included here if
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you need one). You
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can also tweak the encoder options(sensible defaults
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are included for
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small video files and quick encoding with decent
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quality) and turn off
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encoding altogether. There's logging settings for
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debugging, and a
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way to specify the maximum number of encoders you'd
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like to run in
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parallel, and at what priority.
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You also might want to customize the
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include.template, which is used
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to generate a fragment to be included in any page
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with video. The
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basic idea is that the cms template is tweaked to
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pull in this
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template, which does nothing if it isn't there, and
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also to include a
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"waiting for encoder" message, which a bit of
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javascript in the
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generated include fragment "turns off".
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An example, for mir, might make this more clear.
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What you need to do
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is go into the place in the article template where
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the link to the
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video file attached to an article happens, and add
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something like:
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> Waiting for encoder...check back in 10 minutes
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Make sure that the "waiting4encoder" div preceds the
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include file!
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Notice you can also put something like:
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if you want to suppress the [an error occurred while
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processing this
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directive] stuff that will happen while you're
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waiting for an encoder.
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Then, just set up indytube.py to run every minute or
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so out of cron.
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If the maximum numbers of encoders are already
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running, it just
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stops. Otherwise, it will check for video files in
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the directory
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you've specified, see if they've already been
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encoded, or if another
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encoder is already handling them, and if not,
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generate the flv file
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and the include file. And then you've got streaming
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embedded video.
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