JCTVC-M0096 AHG 9: On enhancement layer CRA [C. Kim, Hendry, B. Jeon (LGE)]
This contribution discusses the use of a CRA NAL unit in an enhancement layer for random access purposes. It proposes to forbid inter-layer referencing at non-aligned enhancement-layer CRA points. It was commented that the current intent for this case is to allow layer upswitching rather than enhancement-layer random access. It was remarked that the proposal removes the efficient layer upswitching functionality, which is undesirable.
The issue of enhancement-layer random access is for further study (but this proposed solution does not seem adequate, since it removes other important functionality).
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