Ported from JVET-TuC with small improvements on certificate handling

Changed parameter names as suggested to upscaledOutputWidth/Height + fixed conflict with SPS conformance window. Also added the functionality to the encoder (for the reconstructed output).

Fabrice URBAN authored 7 months ago and Frank Bossen committed 7 months ago

FIX input file with rescaling (multilayer scalable) when using "SourceScalingRatioHor/Ver" encoder option

Explicit specification of inter-layer reference pictures, using a layer-specific GOP structure, with 0.x syntax (0=same POC, x=reference layer).
When ExplicitILRP is true, AllowablePredDirection should not be used or left to default values (all zero), and inter-layer reference pictures are no longer inserted automatically.