Temporal motion vector prediction control in video coding

A video decoder comprising:

• a buffer to receive a plurality of frames representing encoded video;
• a parser to parse an uncompressed frame-level header for each frame wherein uncompressed refers to being transmitted to a decoder without using arithmetic encoding on the frame-level header;
• a memory to store a reference list of frames;
• a motion vector predictor to determine whether a temporal motion vector prediction command is included within the parsed uncompressed header of a first frame, to select a reference frame from the reference list of frames, to retrieve motion vector information from the selected reference frame and to perform temporal motion vector prediction on the first frame corresponding to the parsed uncompressed header if a temporal motion vector prediction command is included within the parsed header to form a motion predicted frame;
• a loop filter to filter the motion predicted frame;
• and
• an output frame buffer to store the filtered frame as a frame of decoded video.

A computing system comprising:

• a bitstream buffer to receive a plurality of frames representing encoded video;
• a memory to store a reference list of frames;
• a graphics processor to parse an uncompressed frame-level header for each frame wherein uncompressed refers to being transmitted to a decoder without using arithmetic encoding on the frame-level header, to determine whether a temporal motion vector prediction command is included within the parsed uncompressed header of a first frame, to select a reference frame from the reference list of frames, to retrieve motion vector information from the selected reference frame and to perform temporal motion vector prediction on the first frame corresponding to the parsed uncompressed header if a temporal motion vector prediction comm and is included within the parsed header to form a motion predicted frame, and to filter the motion predicted frame;
• and
• a display to render the filtered frame as decoded video.