// For mov, you want this at 10MB or so (for the reason mentioned above),
// but for nut, there's no flushing, so such a large mux buffer would cause
// the output to be very uneven.
// For mov, you want this at 10MB or so (for the reason mentioned above),
// but for nut, there's no flushing, so such a large mux buffer would cause
// the output to be very uneven.