New answers tagged screen-casting
Have you tried WebVTT for marking up the subtitles? http://www.w3.org/community/texttracks/2012/08/23/webvtt-support-in-browsers/ http://ie.microsoft.com/testdrive/Graphics/CaptionMaker/ is a surprisingly good tool for making captions. You could also cheat a bit and use Youtube's pretty good voice recognition to perhaps save time transcribing.
The problem with compression is that it is a double edged sword. It can reduce the space required to store video, however it also takes processing time to perform the compression. When you are running a game, however, the CPU and GPU are already busy keeping the game running smoothly. In order to shrink the file size, you must either reduce the quality or ...
Capturing the video frames in XWD format then converting to PNG yields results that are almost pixel perfect when encoded with ffmpeg. Install xvidcap: mkdir -p $HOME/dev cd $HOME/dev svn checkout svn://svn.code.sf.net/p/xvidcap/code/trunk xvidcap-code cd xvidcap* ./autogen.sh LIBS="-ldl -lX11 -lXext" ./configure --prefix=/usr/local make && sudo ...
Ordinarily, I'd create an Adobe AIR or AIR-for-iOS app to solve this problem. You'd just sychronize your captions to cue points in the video and make 'em visible or invisible with a programmed-in button. You could easily have multiple languages in this way. Are iTunes podcasts just flat-out mp4 movies?
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