> On Thursday, September 3, 2015 8:45 AM, Carl Eugen Hoyos <ceho...@ag.or.at> 
> wrote:

> > Nicholas Robbins <nickrobbins-at-yahoo.com <at> ffmpeg.org> writes:
> 
>>  >>  You are using dejudder & fps to produce a stream of 
>>  >>  frames lies ABCDDEFGHH... then decimate drops the 
>>  >>  dups. Seems brutal. 
>>  > 
>>  > Why / how?
>> 
>>  It just seems strange to me to make those extra frames 
>>  just to throw them away. Seems mean to the frames I
>>  guess. But, if it works..
> 


I meant in the 24fps progressive original.  There you start with

A/A B/B C/C D/D

fps=30 turns it into

A/A B/B C/C D/D D/D

which decimate turns back into 


A/A B/B C/C D/D


No harm. Just seems like a strange work-around.


Your revised documentation is clear to me.

-Nick
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