This is very impressive. FYI: Delaying the buffer spinner, not showing it unless buffering has been (let's say) >300ms for instance, makes the switching feel a

This is very impressive. FYI: Delaying the buffer spinner, not showing it unless buffering has been (let's say) >300ms for instance, makes the switching feel a lot faster. If you could also get rid of the black between switching out the media source buffer, they would feel instant.