Draft: AmbisonicsRotationRenderer

Work done until now on AmbisonicsRotationRenderer:

• Added function vCreateRotationMatrix to assemble 3x3 rotation matrix from view-up vectors
• Added function vFCreateSphericalHarmonicsRotationMatrix to calculate SH matrix using SAFs getSHrotMtxReal function
• Added function vApplySphericalHarmonicsRotation to apply rotation to signal

All functions are stored in Utils/VASphericalHarmonicsRotation.h.

Unit tests:

• Test for vCreateRotationMatrix compares matrices to reference values calculated by hand
• Test for vfCreateSphericalHarmonicsRotationMatrix compares matrices to reference values calculated by Matlabs getSHrotMtx function

##To-Do:

• Finish vApplySphericalHarmonicsRotation and create test. Idea: apply dirac-impulse as input signal and compare output channels
• Fix compile errors caused by SAF implementation

added feature label

requested review from @schaefer and @pascal.palenda

marked this merge request as draft

changed title from Draft: VAAudioRendererBase: moving core part of the process stream into protected... to Draft: AmbisonicsRotationRenderer