[FFmpeg-user] How to filter time dependent

[Gyan Doshi]

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.

Regards,
Gyan