This repos contains all annotaions and most videos for training VideoChat-Flash.
For video_dir like longvid_subset/coin_grounding_10k_zip, you need to concat this dir to a zip file as follows:
cat ego4dhcap_eventunderstanding_2k_zip/* > ego4dhcap_eventunderstanding_2k.zip
@article{li2024videochatflash,
title={VideoChat-Flash: Hierarchical Compression for Long-Context… See the full description on the dataset page:
https://huggingface.co/datasets/OpenGVLab/VideoChat-Flash-Training-Data.