A recording server and method for recording and modifying a video dataset, the recording server including a memory storing a code, and at least one processor configured to execute the code, wherein the code includes instructions for receiving a video dataset including an initial fully-coded frame and subsequent plurality of partially-coded frames, selecting at least one of the plurality of partially-coded frames, for replacement of each of the selected frames with a corresponding fully-coded frame, and for each selected partially-coded frame, calculating the corresponding fully-coded frame and replacing the selected partially-coded frame with the calculated corresponding fully-coded frame.