This short video explains how shot sequencing works in DaVinci Resolve when doing live action replays. Shot sequencing allows you to play multiple shots in a replay without building a timeline, so you can create live replays with multiple angles at any length.
Additional information can also be found in the DaVinci Resolve Replay Editor instruction manual at http://bmd.link/xWrzoV
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https://www.youtube.com/watch?v=oAs5n9cH2vo