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Encoder optimization and bug fixes for ISP with JVET_M0464_UNI_MTS

Santiago de Luxán Hernández requested to merge deluxan/VVCSoftware_VTM:ispEncoderOnlyOptimization into master

  1. Introduction of a new speed-up for ISP when JVET_M0464_UNI_MTS is enabled. It tests fewer non DCT-II transforms for regular intra modes when ISP is likely to become the best mode for a certain block. A similar version of this speed-up is already in the code when JVET_M0464_UNI_MTS is disabled.

  2. Fix of an encoder only bug in the early exit condition of an ISP test in xRecurIntraCodingLumaQT (variable subTuCounter).

  3. Fix of a compilation error in IntraPrediction.cpp (predIntraAng) when JVET_M0102_INTRA_SUBPARTITIONS is disabled

WIP until full results are available

Edited by Karsten Suehring

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