cfg_sliNonSubpicLayersFractions should have a range of 0 to 255 to match
syntax elements sli_ref_level_fraction_minus1 and
sli_non_subpic_layers_fraction

Removes out of maintenance OS release and thus old gcc. Runner will be replaced by Ubuntu 20.04.

Configuration: removed interdependencies between chroma QP config parameters. Warning: not backward compatible. MaxCuChromaQpOffsetSubdiv <0 is no more used to disable the feature. Empty QP offset lists play this role. To enable the feature, now you have to specify chroma QP offset lists.

Emmanuel Thomas authored 4 years ago and Frank Bossen committed 4 years ago

Redo merging. Also inject VPS before SPS with different layer IDs, but with the same content and VPS ID.

Also added parameters ALFAllowPredefinedFilters and CCALFStrength and note on that that refinement of quantized filter coefficients not is used.