Patent ID: 9578339
Date: 2017-02-21
CPC Classifications: H04N

Claim:
1. A method of decoding video data, the method comprising: decoding a value for a syntax element representing that tile boundaries of a reference layer picture are aligned with tile boundaries of an enhancement layer picture, wherein the representation that the tile boundaries of the reference layer picture are aligned with the tile boundaries of the enhancement layer picture represents that any first two reference layer samples of the reference layer picture, collocated with a first two respective enhancement layer samples within a first common enhancement layer tile of the enhancement layer picture, must be within a first reference layer tile of the reference layer picture when the first two reference layer samples are available and that any second two enhancement layer samples of the enhancement layer picture, which refer to a second two respective reference layer samples of the reference layer picture, must be within a second common enhancement layer tile of the enhancement layer picture when the second two enhancement layer samples are available; determining that either the first reference layer tile is not available or the second common enhancement layer tile is not available; and decoding the reference layer picture and the enhancement layer picture based at least in part on the value of the syntax element and the determination that either the first reference layer tile is not available or the second common enhancement layer tile is not available.