Reencode Videos to Play Faster

I'm currently recording screencasts (using XVidCap) to use as a video-based help system in ASE. Because the Android emulator is slow and the steps are quite simple to follow, it's useful to speed up the playback of the screencast. I'm currently doing this with MEncoder (the magic flag is -speed <multiplier>):
mencoder input.mpg -ovc lavc -lavcopts vcodec=mpeg4 -speed 2 -oac copy -o output.avi

I also recommend Avidemux (over Open Movie Editor) for your basic editing needs.

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