actually I see libavfilter added scene detection, and it is added to the 1.0 branch of ffmpeg... I can't really find documentation yet but I'll get it updated on our servers and test.. I think I am going to be wanting to go semi/automated... If I could have a web based avsp style preview with an option to modify an AVS, then the rest automated that would be optimal :) Right now, I have built a php script, it finds the *.iso, runs mplayer to find how many titles, then mencoder to copy audio/video to avi. then I will be downloading the AVI's to our windows machine, run some .bat that will create avs files for all dvd files. then someone will open up all avs, trim where scene starts/ends , save as a new file. then edit the tweak/Levels parameters. then another .bat to generate a encode batch file to do our sources and then from there other avs/ffmpeg for our web formats. at this point, bar finding a method to easily preview avs from a web interface (wouldn't know where to begin) I guess if I could find how to accurately get scenes out of the iso's in an automated step through ffmpeg, that'd save a few steps. if anyone has an idea for avs-to-web-preview from a unix box, I'm all ears and couple probably pay for the time to dev ;)