[FFmpeg-user] {Spam?} Re: crop and fade

Michael Koch astroelectronic at t-online.de
Fri Nov 20 13:29:24 EET 2020


Am 20.11.2020 um 11:59 schrieb RAPPAZ Francois via ffmpeg-user:
>> I think the command line is correct, and the hint from Gyan was of course correct.
>> The problem might be that your video player can't display 25fps at this extremely high resolution.
>> Try a smaller resolution. It makes no sense to use higher resultion than your monitor can display.
>> Michael
> I did
> ffmpeg -y -i %%02d.JPG -i SligoAir_WhiteBlanket.mp3 ^
> -vf zoompan=d=10:fps=1:s=5152x3864,framerate=fps=5:interp_start=0:interp_end=255:scene=100 ^
> -pix_fmt yuv420p out.mp4
>
> Which gives a nice result.
> Thanks !

What I meant was to reduce the size, for example to 2000x1500. Reducing 
the framerate to 5 might be a problem for some players.

> Is there a way to say : do the fade effect for all pictures, except the last (which is 14.JPG) ?

Duplicate the last picture, so that the last two pictures are the same, 
and/or limit the total duration of the video with the -t option to a 
suitable length.

Michael



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