[FFmpeg-devel] [PATCH]doc: Improve fieldmatch documentation
Nicholas Robbins
nickrobbins at yahoo.com
Thu Sep 3 15:25:44 CEST 2015
> On Thursday, September 3, 2015 8:45 AM, Carl Eugen Hoyos <cehoyos at 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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