Under some specific circumstances the video stream might be left as original and used as default as well. This means that both original and default streams are one streams.
This helps lowering transcoding costs for you and having the video available for playback a bit sooner.
This however has its downsides as well which is why we will be adding the option of force transcoding so that you always have videos processed even if in some cases the video would be left as original+default)