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Re: [mediacapture-record] More information about timing of recording (start event, blob event, stop event) (#208)

From: Michiel Westerbeek via GitHub <sysbot+gh@w3.org>
Date: Sat, 04 Dec 2021 10:50:06 +0000
To: public-webrtc-logs@w3.org
Message-ID: <issue_comment.created-986007813-1638615004-sysbot+gh@w3.org>
This is also a big problem for us, it’s impossible right now to 100% accurately record screen + cam streams with separate mediarecorders. We need to know the timecode of the first frame of both videos to be able to align them, and we now just can’t know.
On slower devices the time between .start and onstart can be as big as 8 seconds. And adding to that the possibility that buffered video is returned this means syncing is always inaccurate.

@btsimonh What did you end up with? Maybe we can exchange notes😁

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