(INCOMING SHAMELESS PLUG) ...and if you're using Linux, help us test:
http://www.neopsis.com/projects/yukon Wee! :) On Wed, 2007-01-24 at 01:29 -0600, Weber, Cory C. wrote: > Fraps is hands down the best 3D capture software I have seen to date ... > http://www.fraps.com/ although its not free its byfar the best.... works with > OpenGL and DirectX. although its limited by cpu and video card so i don't > know if it would work that well on a slow system.... > > -CW > > ________________________________ > > From: [EMAIL PROTECTED] on behalf of [EMAIL PROTECTED] > Sent: Wed 1/24/2007 1:23 AM > To: osg users > Subject: Re: [osg-users] osgVideo > > > Here comes another question; > > Rendering in some systems due to the cpu rate or something else may not be as > fast as possible, that is they may not show the graphics in real-time; are > these screen capturing software programs able to handle this, may be by > writing the color buffer first rather than taking the actual screen image? > > Hope still some people following this thread :)) > Any ideas are appreciated.. > Thanks in advance :) > > > On 11/10/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > > Using the route described above, you can grab an image from a frame in > a post-draw callback and write it to a file regardless of its size and aspect > ratio I think, since it is not used as a texture. Any video editing tool > (not just AVID) should be able to grab a sequence of frames and make an AVI > out of it. I am sure even Window's Movie Maker, the free one that comes with > XP will do that. > I also ran across a little snippet of code somewhere that you could use > to write out an AVI, and even asks for what compression you want using the > CODECs installed. I might be able to dig it up if you are interested. The > part about running with a constant framerate is critical too, because it > takes quite a bit of processor/disk to do it all and the animation will not > be smooth. > > -- Rick > > > > > On 11/9/06, [EMAIL PROTECTED] < [EMAIL PROTECTED] <mailto:[EMAIL > PROTECTED]> > wrote: > > When we're putting together promo videos, we just dump out each > frame as a > tga then use Avid to edit the sequence and turn it into a > useable video. > Admittedly we have a high-end Avid suite for this, but the > dumping of the > frames goes from the PS3, down the network and onto our PCs. We > run at > about 1 fps, but you can capture quite a lot of video by > letting it run > overnight. In our case, we have several machines capturing > different parts > of the game, then let the video guys sift through it all. > There's no reason why you couldn't set up a 512x512 render > target at the > top of your scenegraph, change the aspect ratio to that of > 720x480 (3:2) > so it appears stretched (or if your card supports > non-power-of-two > textures, then you can do it at native resolution), then dump > out each > frame to an image file. I don't have any code to hand, but OSG > can cope > with that easily. When you come to encode it, you can stretch > it back to > the desired resolution. Oh, and don't forget to make your > animation > dependent on framerate (i.e. assume you're running at a constant > framerate), so the animation runs smoothly at full speed; > otherwise you'll > pick up any variation in rendering speed. > To put it all together, Avid did a home edition of their video > editing > software that was free to download and is fairly powerful, but > I can't > find it on their page, maybe they stopped doing it. If you're > on Linux, > there's a free bit of software for video editing, called > Cinelerra > (http://heroinewarrior.com/cinelerra.php3 ). If you want to > automate the > process, and you use Linux, Transcode > (http://www.transcoding.org/cgi-bin/transcode) will import > individual > frames and spit out a video in a bunch of different formats. It > might take > some time to set up to your liking, but it'll happily cope with > most > things you can throw at it; it'll even mux any audio you might > want to > use. > > John Donovan > Sony Computer Entertainment Europe > http://www.scee.com <http://www.scee.com/> > > > [EMAIL PROTECTED] wrote on 09/11/2006 00:45:14: > > > Hello, > > > > PLEAAAAAAAAASE! > > Does anybody have a way to automatically create an mpg or avi > from an > OSG > > fly through? So, that it plays back in real-time? > > > > Basically, I want to generate videos for demo purposes. > > > > ie. > > loop > > update frame > > render scene > > capture screen > > down convert screen capture to acceptable format (720x480) > > end loop > > concatenate screen captures into video file. > > > > Recommendations are also welcome. > > > > Thanks. > > > > Zach > > > > _______________________________________________ > > osg-users mailing list > > [email protected] > > http://openscenegraph.net/mailman/listinfo/osg-users > > http://www.openscenegraph.org/ > > > > ********************************************************************** > This email and any files transmitted with it are confidential > and > intended solely for the use of the individual or entity to whom > they > are addressed. If you have received this email in error please > notify > [EMAIL PROTECTED] > > This footnote also confirms that this email message has been > checked > for all known viruses. > > > ********************************************************************** > Sony Computer Entertainment Europe > > _______________________________________________ > osg-users mailing list > [email protected] > http://openscenegraph.net/mailman/listinfo/osg-users > http://www.openscenegraph.org/ > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://openscenegraph.net/mailman/listinfo/osg-users > http://www.openscenegraph.org/ > > > > > > _______________________________________________ osg-users mailing list [email protected] http://openscenegraph.net/mailman/listinfo/osg-users http://www.openscenegraph.org/
