On Thu, Mar 04, 1999 at 12:17:46AM +0000, Andrew Collier wrote: > >The images seem quite > >dark, btw. This may be a function of display gamma, since I've speculated > >before that your display is gamma corrected while most other kinds of > >display (except SGIs) are not.
> Yes it is - and will you stop trying to tell me that this is a fault at my > end!! I am not saying that it is a fault. I am saying that it is a difference. However, if I may make an analogy, if you were to put up a program in MacBinary format you should be aware that it isn't much use since most people around here seem to use Windows. I'm afraid it's a fact of life that you are the odd one out. > It is totally predictable, and I should imagine it is not recoverable. It > throws away every alternate frame, and averages the pixels in each pair of > adjacent horizontal lines. It then scales whatever picture from the signal > is left, to the size of the window which, by default, is 320x240. It can go > up to 640x480. Tricky. But if you can get it so that one line equals one pixel and if it is mathematically averaging pairs of lines together then (assuming you can guess one line - say, a line of constant colour in the border) the process ought to be reversible. imc
