CPC H04N 19/119 (2014.11) [H04N 19/105 (2014.11); H04N 19/156 (2014.11); H04N 19/172 (2014.11); H04N 19/176 (2014.11)] | 6 Claims |
2. A video decoder comprising at least one processor and memory, the memory comprising instructions which, when executed by the at least one processor, cause the video decoder to:
decode a first flag for a segment of a current picture from a data stream, the segment encoded into the data stream, wherein the first flag equal to one indicates that blocks of the segment are intra-predicted only, meaning that the blocks of the segment are predicted based on reconstructed samples of the current picture only;
determine to decode a second flag from the data stream based on the first flag being equal to one;
decode the second flag from the data stream that indicates whether or not a current block of the segment is encoded using intra block copy (IBC), wherein when the current block is encoded using IBC, the current block is predicted by copying samples from a reference block of reconstructed samples of the current picture;
based on the second flag indicating that the current block is encoded using IBC, determine a prediction of the current block by copying samples from the reference block of reconstructed samples of the current picture; and
reconstruct the current block based on the prediction of the current block and a prediction residual decoded from the data stream.
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