Subfunctions for ivas_td_binaural_open converted to fxd point.
[x] Few functions added/cleaned up:
TDREND_MIX_Init,TDREND_MIX_SetDistAttenModel,TDREND_SRC_Init, TDREND_SRC_SPATIAL_Init,TDREND_SRC_REND_Init,TDREND_SPATIAL_VecInit,
TDREND_MIX_AddSrc_fx,TDREND_MIX_SRC_SetPos,TDREND_MIX_SRC_SetPlayState_fx, TDREND_SRC_SPATIAL_SetDirAtten_fx,TDREND_MIX_SRC_SetDirAtten_fx.
[x] Few BASOP updates and initializations.
Pytests: 573 failed, 381 skipped and 1 passed for original inputs, +10dB scaled and -10dB scaled inputs.
MLD:
Original: 6 cases > 5
8.622586 9.196089 10.831767 10.85423 12.944769 22.459263
+10dB: 20 cases > 5
5.370343 5.505444 5.522441 5.572725 5.663041 5.663041 6.294713 6.992652 9.476715 10.755767 10.755767 14.898742 16.605692 16.975687 19.374313 19.763744 23.678772 24.858898 27.042179 51.74955
-10dB: 5 cases > 5
5.966279 6.010706 8.763398 15.850357 24.996883