[osg-users] Outputting Movies in OpenSceneGraph

Garrett Potts potts at cfl.rr.com
Fri Oct 19 09:55:19 PDT 2007


Hello y'all:

Thank you for the feedback.  I will look into the FFMPEG source and  
see what we can do.


Thank you again

Take care

Garrett

On Oct 19, 2007, at 11:19 AM, Vican, Justin E. wrote:

> 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.
>
>
>
> Justin
>
>
>
> From: osg-users-bounces at lists.openscenegraph.org [mailto:osg-users- 
> bounces at lists.openscenegraph.org] On Behalf Of David Callu
> 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
>
>
> David
>
> 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
> that?
>
> Thank you all in advance for any help and time.
>
> Take care
>
> Garrett
>
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