how can I create a subtitle file for DVD authoring from a number of Bitmap Files (640x480,1bit/pix)?
What I want to achieve is this:
I have made a video when traveling by car, which I want to burn on DVD. While traveling I used a GPS to log my position. Now I wrote a small program, which creates bitmaps showing the track of the whole tour and the relative position for a specific time, somewhat like a simplified map.
My idea is to create such bitmaps for every 20sec and to put these on the subtitle line, enabling the viewer to turn on and off this like a superimposed map.
So I need a way to make a subtitle file from these Bitmaps, like 0.bmp from 0:00 to 0:20, 1.bmp from 0:20 to 0:40, 2.bmp from 0:40 to 1:00 and so on...
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Don't know that much about it myself. But this link may give a start:
You just have to find out exactly what the "raw subpicture frame data" is and how to use it.
Most DVD authoring programs will use .sup files. If you can figure out how to get your images into the proper format the authoring software should do the rest.http://milesaheadsoftware.org/
Fully enabled freeware for Windows PCs.
Thanks for your hint.
This way I think I found something appropriate:
External bitmaps can be also loaded from given location