GUADEC video

We got some DVD’s with a presentation video of Vilanova de Geltru which I thought it would be nice to transcode to Ogg and share with everyone.

While waiting for Thoggen to get ported to 0.10 I had to make do with gst-launch. The pipeline below is what I managed to put together with the help of Zaheer.

gst-launch-0.10 dvdreadsrc title=”5″ ! decodebin name=”dvd” dvd. ! ffmpegcolorspace ! video/x-raw-yuv,format=\(fourcc\)YUY2 ! videoscale method=1 ! video/x-raw-yuv,format=\(fourcc\)YUY2,width=360,height=288,pixel-aspect-ratio=\(fraction\)16/15 ! videorate ! video/x-raw-yuv,framerate=25/2 ! ffmpegcolorspace ! theoraenc ! queue ! oggmux name=mux ! gnomevfssink location=file:///home/cschalle/vilanova_present.ogg dvd. ! audioconvert ! vorbisenc ! queue ! mux.

What this pipeline basically does is take the mpeg2/ac3 on the DVD, scale it down to 360×288 size, drop the framerate to half of the original and output the result as an Ogg Theora/Vorbis file.

Presentation video of Vilanova i la Geltru, home of GUADEC 2007

Anyway, you can now get a impression of the city of Vilanova i la Geltru by looking at
this presentation video of Vilanova
available in Ogg format and licensed under the Creative Commons Attribution-ShareAlike license. You can also watch the video online using the Cortado java-applet through this link.

Also been testing the Schrodinger Dirac implementation recently. Thanks to Ralph Giles there is a official Dirac in Ogg specification now and I am able to create Ogg Dirac files using the GStreamer plugins provided by the Schrodinger project. We still have some way to go before this is truly useful, but it is nice to be able to actually encode something and view it in Totem.

1 comment so far ↓

#1 JZA on 05.09.06 at 09:12

I recently discover ogmrip which authomate the process of diving DVD’s straight to ogm (OGG Media).
The homepage is at sourceforge.