Sync Play - wang-bin/mdk-sdk GitHub Wiki

select a main player, mute other players
use Player.onSync() for other players as an external clock
operations to change playback state: call for all players at the same time
looping: in main player.onLoop() callback, seek other players to loop begin position set by setRange() or 0 by default
SetGlobalOption("avsync.audio.adaptive", 1) to keep audio sync with video