[osg-users] Outputting Movies in OpenSceneGraph

Vican, Justin E. jvican at draper.com
Fri Oct 19 08:19:53 PDT 2007

Hi Garret, Hi David,

I ran into the same issue a few months ago.  The solution I ended up
with was frame grabbing during each cycle.  Afterwards, I strung the
frames back together into MOV/AVI/MPG movies with FFMPEG.  It works, but
it will probably drop your frame rate significantly.  I was able to slow
down the data stream feeding my OSG application to ensure that I grabbed
enough frames to generate a decent quality video.


I believe that FFMPEG is open source, so a movie maker plugin could be
built on top of it.  Just a thought.




From: osg-users-bounces at lists.openscenegraph.org
[mailto:osg-users-bounces at lists.openscenegraph.org] On Behalf Of David
Sent: Friday, October 19, 2007 9:48 AM
To: OpenSceneGraph Users
Subject: Re: [osg-users] Outputting Movies in OpenSceneGraph


Hi Garrett

  A xine/Quicktime plugin is provide to read movie in OSG scene
 Take a look to osgmovie examples.

 But don't know any plugin to make a movie from an OSG Scene


2007/10/19, Garrett Potts <potts at cfl.rr.com>:

Hello All:

I have been perusing the source and examples and I was wondering if
there was a way to output movies in an OSG Scene.  I know there are
pbuffers and you can probably latch on to pbuffer generation after 
each framing and then couple to a movie generation library but I see
that the osgDB has a nice plugin architecture for reading and writing
and was wondering with the Movie based plugins if there was a way to
feed a plugin (if one exists for movie writing) to output frames at
given rate.  So basically init the plugin with some setup parameters
and then start writing.  Has anyone ever researched this through a
raw OSG implementation and not coupled to like a GUI or anything like 

Thank you all in advance for any help and time.

Take care


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