Set Stream Start Time Metadata

When using stream for video playback we have the use case of taking Zoom videos and wanting to chop off the beginning (before a presentation really starts). To do this I thought I could use the #EXT-X-START:TIME header on the m3u8 file, but it does not appear like there are any hints to set that.

How can we go about setting custom start and end times to the manifests (if at all possible)

There is no way to specify custom start times in the manifest. However, you can use the Stream Player API to start the video at a specific timestamp. Here is a codepen demo that starts the video at the 4 second mark: