Totally fell for this one... We don't celebrate April Fool's Day in Spain!!! aaaaaaaargh!!
El 5 de abril de 2011 14:33, Rubén Pérez <[email protected]> escribió: > I must say that this literally left me speechless... what an amazing > development! > > I wonder why you don't use only ffmpeg to encode the 3d video. Googling a > little bit I found that the most common procedure is: > 1 - Converting the videos to a lossless image sequence (.png, for instance) > 2 - Interleaving the images with some other tool (don't know if this can be > done with ffmpeg) > 3 - Re-encode the resulting sequence with ffmpeg > > I guess your goal is different because for anaglyph images there's not a > real interleaving, but a hue/opacity change plus an overlay... Have you > tried to do that in gstreamer? Since you've got a pretty powerful CA, it > seems quite easy to "ink" the videos and making them semi-transparent > (ffmpegcolorspace, maybe?), overlay one on the other, and encode the > resulting video... Does this seem feasible or is it Sci-Fi? > > Now the gstreamer composer does sound like a good idea... > > I'm looking forward to hearing from your improvements on this work! > > Best regards, > Rubén > > P.S: Markus, sorry for the repetition, in case you get this email twice > --my fault! > > > 2011/4/1 Markus Ketterl <[email protected]> > >> Hi list, >> we here in Osnabrück, just want to announce that we managed to improve >> Matterhorn so that we are now able to do 3D lecture recordings in selected >> classrooms. Our physics department demanded that they would need 3D fro >> their experiments so that the students get the full classroom experience. >> Some of these experiments would be very hard to follow without the depth >> information. >> >> In our setup we added a Blackmagic Intensity Pro with the some third party >> gstreamer bindings to the capture agent. We had to take a quite fast >> quad-core machine to encode the HDMI signal from the Panasonic HDC-SDT750 >> camera.The recordings look just fine when we look at the raw material on the >> capture agent. >> >> Currently we still have some small problems in the processing: >> 1. we spilt the 3D-video-stream in two separate image sequences >> 2. we mix the images together with imagemagick. We ink the separate >> channels for anaglyph images (for red-green glasses). >> 3. we re-create the videostream from the new images. >> >> The processing unfortunately takes "forever" and we really need to speed >> this up. We are open for suggestions if you have further ideas which tools >> could improve the process. >> >> On the engage side there was nothing to do. The students just need the >> red-green glasses to view the videos. But we are currently considering to >> add a 3D-skin for the player, so that the buttons seem to "fly" above the >> rest of the interface. >> >> After some more testing we will add the 3D processing module to the >> contrib section. >> >> Markus >> _______________________________________________ >> Matterhorn mailing list >> [email protected] >> http://lists.opencastproject.org/mailman/listinfo/matterhorn >> >> >> To unsubscribe please email >> [email protected] >> _______________________________________________ >> > >
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