First up, Sync 3 now boasts a much improved, intelligently simplified interface. As an example, sharing your location via the Glympse app used to take up to an entirely mad 11 touchscreen presses.
The official Omxplayer project is here, and there are also two other versions of Omxplayer with synchronization capabilities: omxplayer-sync and omxplayer-sync-2 ... w --hw Hw audio decoding -3 --3d ...
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