eb9209c1f5
Since avuitl 57.30.100 the pkt_duration is deprecated, and the duration is to be used instead. The units seems to match, and also from the avcodec decoder.c the `frame->pkt_duration = frame->duration;` so does not seem we need to do any conversion. The change in FFmpeg is from 2022, which is a bit recent, so the access to the duration is hidden behind a compatibility API. Pull Request: https://projects.blender.org/blender/blender/pulls/108451