How can I create an animated .gif file from a movie I have? I guess it is pretty simple in objective-C and cocoa, by using the QTKit, to extract images from a movie, now how can I glue them together as an animated gif?
There is a pretty good lib (even if 'old') for this task (and other kinds of image processing): libgd. It appears it is built into Mac OS X or easly installable through MacPorts. Here some doc about animated GIF creation from single images.