there is provided with a video processing method including : writing first video signals representing an input video frame alternately into first and second storage regions every input video frame ; reading out the written first video signals from either the first storage region or the second storage region ; generating second video signals representing an output video frame including a video image represented by the first video signals read out ; acquiring write region information indicating either the first storage region or the second storage region into which writing is being performed , before reading is performed ; acquiring write location information indicating a location on the first or second storage region , associated with the first video signal which is being written , before reading is performed ; and deciding either the first storage region or the second storage region from which reading should be performed , by using the write region information and the write location information .