Hi manolito,
thanks for the link about the most recent applications of motion interpolation on FPS conversion. I have quickly tested the jm_fps routine and it is very very clean, with acceptable impact on encoding speed. Quite easy to implement into A2D too. I just would find a more "sexy" name, instead of jm_fps....
Do you confirm that fftw3.dll is actually needed only if DCT flag is set to 1? Still not tested mx_fps.
As per the 50p conversion to DVD, if the output is PAL, generally speaking I would go with SelectEven(), it should deliver the smoothest result. If the output is NTSC the decision is much more video content dependant. Will the DVB-T2 standard be @ 50fps in all countries or only in German? If the latter, NTSC output could be irrelevant...
Bye