Gradual random access (gra) signalling in video coding
AssigneeQUALCOMM Incorporated
InventorsMuhammed Zeyd Coban, Adarsh Krishnan Ramasubramonian, Vadim Seregin, Marta Karczewicz
Life of this patent
Estimating the term…
Abstract
A method of decoding video data includes decoding, from a coded video bitstream and as an unsigned integer 0-th order Exp-Golomb-coded syntax element with the left bit first, a value that specifies a target recovery point picture for a current picture of a current sequence of pictures, wherein the target recovery point picture is located at or after the current picture in display order; and recovering decoding of the current sequence of pictures at the target recovery point picture.
Claims20
A method of decoding video data, the method comprising:
- decoding, from a coded video bitstream and as an unsigned integer 0-th order Exp-Golomb-coded syntax element with the left bit first, a value that specifies a target recovery point picture for a current picture of a current sequence of pictures, wherein the target recovery point picture is located at or after the current picture in display order;
- and
- recovering decoding of the current sequence of pictures at the target recovery point picture.
A method of encoding video data, the method comprising:
- selecting, for a current picture of a current sequence of pictures and at or after the current picture in display order, a target recovery point picture;
- and
- encoding, in a coded video bitstream and as an unsigned integer 0-th order Exp-Golomb-coded syntax element with the left bit first, a value that specifies the target recovery point picture for the current picture of the current sequence of pictures.
A device for decoding video data, the device comprising:
- a memory configured to store at least a portion of a coded video bitstream;
- and
- one or more processors implemented in circuitry and configured to:
- decode, from the coded video bitstream and as an unsigned integer 0-th order Exp-Golomb-coded syntax element with the left bit first, a value that specifies a target recovery point picture for a current picture of a current sequence of pictures, wherein the target recovery point picture is located at or after the current picture in display order;
- and
- recover decoding of the current sequence of pictures at the target recovery point picture.
A device for encoding video data, the device comprising:
- a memory configured to store at least a portion of a coded video bitstream;
- and
- one or more processors implemented in circuitry and configured to:
- select, for a current picture of a current sequence of pictures and at or after the current picture in display order, a target recovery point picture;
- and
- encode, in the coded video bitstream and as an unsigned integer 0-th order Exp-Golomb-coded syntax element with the left bit first, a value that specifies the target recovery point picture for the current picture of the current sequence of pictures.
A computer-readable storage medium storing instructions that, when executed by one or more processors of a video decoder, cause the one or more processors to:
- decode, from a coded video bitstream and as an unsigned integer 0-th order Exp-Golomb-coded syntax element with the left bit first, a value that specifies a target recovery point picture for a current picture of a current sequence of pictures, wherein the target recovery point picture is located at or after the current picture in display order;
- and
- recover decoding of the current sequence of pictures at the target recovery point picture.
Dependencies are inferred from the claim text.