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I'm curious on how one goes about writing their own codec... but I would guess that, yes, you would have to write your own Xtra to be able to get the object into Director as a new member type and interact with it using Lingo.
I don't envy you the task.
I do have a suggestion that instead of getting far too complicated in trying to secure it, that you just write some garbage in a part of the video file to corrupt it and then remove it when you want to play it... or something to that effect.
THanks for this information, the same thing i thought before working on this, but some one told me that its impossible to do, so then i realized to work directly on the development of a codec.
But as you said we can do this, then i would like to know more about it, how can we encrypt our files and then decrypt them at the time of playing??
For example, i have a movie file named "movie001.wmv". I put some rough codes at the start of the file, and then i remove them while loading.
I really need some explanation here.
You can use the BinayIO xtra to write stuff into the video files. Here
is a good writeup about how to do it with a quicktime file. I suspect
that it should work similarly with your WMV
Thanks for picking this question up. I knew it could be done, but had never done it before and also wasn't aware there was some good info out there on it.
Thanks guys, for letting us know about this info.
btw, any good resource website for developing our own xtras ??