Live absolute timestamp

[bbert]

Hello,
I was wondering how to get live absolute timestamp using the official API, either for DASH or HLS live contents?
Player.currentTime() and Player.buffered() return timestamps relative to 0, with timestampOffset applied to the MSE buffers.

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[mister-ben]

You can get the start time from player.tech(true).vhs.playlists.media().dateTimeObject.getTime() then calculate currentTime() offset from that.

[bbert]

Thanks @mister-ben for your response.
dateTimeObject is available only for HLS streams.

I found 2 other means by introspecting Player object:

• get either programDateTime (HLS) or presentationTime (DASH) of 1st segment in player.tech(true).vhs.playlists.media().segments
• get applied MSE buffer timestampOffset: player.tech(true).sourceHandler_.playlistController_.sourceUpdater_.videoTimestampOffset_

Don't know the reliability of each

[bpkmatthiasv]

Hi @mister-ben, interested in a solution for this, as I have a DASH stream with availabilityStartTime not starting in 1970, how can I convert it to absolute UTC timestamp ?
Stream for reference: https://cmafref.akamaized.net/cmaf/live-ull/2006350/akambr/out.mpd