[FFmpeg-user] Overlay filter feature suggestion

Paulo Barretto pmbarretto at gmail.com
Wed Jun 4 21:36:34 CEST 2014

Correcting myself: in rotate filter the frame is not rotated, the image in
it is.

2014-06-04 15:32 GMT-03:00 Paulo Barretto <pmbarretto at gmail.com>:

> Sorry, I did not mean to pass any undertone, just was trying to ask
> politely.
> As I have written in my previous post:
> I mean a filter with time-dependent width and height parameters, that
> would scale the image in each frame to a different size, then crop or pad
> it to fit in the frame as necessary, exactly as the rotate filter does
> while the frame is rotated.
> If you believe that existing filters can do that, please tell me how. I
> just can't figure it out.
> 2014-06-04 13:39 GMT-03:00 Carl Eugen Hoyos <cehoyos at ag.or.at>:
> Robert Krüger <krueger <at> lesspain.de> writes:
>> > >> I would like to ask for a feature that seems to
>> > >> me not very difficult to implement:
>> > >
>> > > (Then I am surprised that you wrote a mail to the
>> > > user mailing list instead of sending a patch to
>> > > the developer mailing list.)
>> >
>> > Honestly, do you think that the undertone of this
>> > response will encourage people to make valuable
>> > suggestions for improvements
>> I am not saying I don't understand but did you
>> consider that I heard a similar undertone in the
>> original mail?
>> (Which was probably exactly as unintentional as
>> the undertone you heard.)
>> Or to say it differently: Independently of how
>> useful it is to post enhancement requests
>> (remember that time is the only limitation for
>> FFmpeg development), I don't think it makes any
>> difference if they are difficult or not (and
>> even less difference if a user believes if they
>> are difficult or not).
>> All that said: I would expect that crop and scale
>> can do exactly what was requested, please report
>> if it does not work.
>> Carl Eugen
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