dasher: handler errors instead of asserting when the number of stream at period switch is beyond expectation
dasher: handler errors instead of asserting when the number of stream at period switch is beyond expectation

rbouqueau/gpac,gpac/gpac,rbouqueau/gpac,gpac/gpac,gpac/gpac,gpac/gpac,gpac/gpac,rbouqueau/gpac,rbouqueau/gpac,gpac/gpac,gpac/gpac,rbouqueau/gpac,gpac/gpac,rbouqueau/gpac,rbouqueau/gpac,rbouqueau/gpac