Jim, Well, that is my problem – it is not clear how it scales or why if I don’t > request it!! What we used to call an ‘undocumented feature’**** > > ** ** > > The input to the context is the input format, the input sizes, the output > format and the output sizes. Gray levels, scaling, expected means etc. > have no part of the context or the input. I would post my code but I am > away from the workstation at the moment. But if you look at the function > calls for sws_getcontext and sws_scale you will no mention of modifying > gray levels.**** > > >
A code snippet with your sws_* calls + values of arguments are worth many words. Post this information here and we will see what is going on. Roman
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