In {TAIL ~ encoding mode}, {HEAD ~ VPU} performs compression operations on digitized video input per MPEG standard; and in decoding mode, VPU performs decompression operations on video bitstream per MPEG standard 
In { TAIL ~ encoding mode } , { HEAD ~ VPU } performs compression operations on digitized video input per MPEG standard ; and in decoding mode , VPU performs decompression operations on video bitstream per MPEG standard
REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH