Live streaming FLV events are usually delivered via RTMP protocol. There are several tools that can capture these streams and others. Here is the list of the ones you should look into.
- Ones I’ve used and liked
- Ones I haven’t used but heard are great
This is useful for recording live video streams of lectures or other events. I’m not sure what the legality of recording streams are. So I would consider it on a case by case basis, and contact the owners of the stream when in doubt.