[FFmpeg-user] How to filter time dependent

Gyan Doshi ffmpeg at gyani.pro
Fri Apr 23 14:46:24 EEST 2021

On 2021-04-23 17:05, Nicolas George wrote:
> Ulf Zibis (12021-04-23):
>> I already had checked that. Unfortunately, crop has no timeline support:
> How would that work? Enabling or disabling crop changes the output
> resolution, which is not supported by libavfilter.
Strictly,  it's supported via -noautoscale (which you reviewed), but 
it's not supported by (almost) any encoder.

However, the crop result can be consumed before buffersink, e.g. as an 
overlay. I've done this many times.


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