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Old 11th July 2019, 09:20   #1  |  Link
Metal-HTPC
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Join Date: Dec 2018
Posts: 58
How to encode 720p, 25fps BD compliant ?

hello,

when I encode 720p HD sources with 29,97 to BD compilant 720p sources I usually use changefps(59.94) in Avisynth and make a 720p59.94 x264 encode.

This time time I have a 25fps 720p HD source so I want to go for the 720p50 specification but somehow changefps(50.00) doesn't work. I get an error and don't understand why this is a wrong divisor?
There is also the possibility to not use the avisynth fps command and just go for a
720p25, which (according to http://www.x264bluray.com/home/720p-encoding) doubles the framerate with the "--pulldown double preset".
The encode works fine but plays with 50% more speed which is totally senseless.

Any advice is appreciated
thanks
regards
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