Support videos from cloud storages (or at least adjust error message)

[ztyree42]

My actions before raising this issue

• Read/searched the docs
• Searched past issues

Expected Behaviour

Can create a task for video annotation on video hosted in Cloud Storage
cloudstorages/{id}/content should fetch video manifest without error

Current Behaviour

cloudstorages/{id}/content returns 500

Possible Solution

engine/views.py:content is calling ImageManifestManager internally which fails of course because the video manifest doesn't have the "correct" _requared_item_attributes". We need to add a block for VideoManifestManager`

Steps to Reproduce (for bugs)

1. Use create.py to create a manifest.jsonl for a .mp4 file
2. Upload to s3
3. Create Cloud Storage
4. Try to create task w/ above Cloud Storage & Manifest

[Marishka17]

@ztyree42, Hello, Unfortunately, cloud storage video data doesn't supported now but it's in our future plans.

[ninafiona]

Would be helpful if you adjusted the error message. Also got stuck on this.
Looking forward to this feature!

[erpo92]

is this issue fixed? still gives me troubles