crossfade-dual-player

Build a crossfade between two media items with one player instance per item and a second live instance during the blend, then keep transport commands and playback settings correct while two players are audible. Use when adding a fade to a player, or when pausing mid-fade leaves the old track playing underneath, a seek appears to do nothing, playback speed reverts to 1.0x after a skip, or the volume slider fights the…