20260313 cleanup

multrusrequested to merge
20260313_cleanup into main

Cleanup, as agreed in https://forge.3gpp.org/rep/ivas-codec-pc/ivas-codec/-/wikis/Meetings/Reports/2026-03-10%20Technical%20Matters

BASOP

BE switches

  • HARM_HQ_CORE - harmonize HQ core functions -> accept
  • HARMONIZE_TBE3 - VA: basop issue 2399: Remove duplicated code: TBE, step 3 -> accept
  • FIX_2459_USAN_AMR_SIDSTART - FhG: basop issue 2459: fix msan complaint -> accept
  • FIX_2458_USAN_NULLPTR_WITH_ZERO_OFFSET - FhG: basop issue 2458: avoid indexing into null pointer -> accept
  • HARM_2456_APPLY_SCALE - FhG basop issue 2456: Harmonize apply_scale_ind(), apply_scale_ivas_fx() -> accept
  • HARM_2454_TCX_RES_Q_SPEC - FhG: harmonization of tcx_res_Q_spec_fx() and tcx_res_Q_spec_ivas_fx() -> accept
  • FIX_FLOAT_1535_ARI_RES_Q_CLEANUP - FhG: remove dead code from tcx_ari_res_Q_spec() -> accept

Non-BE switches

  • FIX_2283_ISM_MD_DELAY - Dolby: Fix ISM metadata delay round-off -> accept
  • FIX_BASOP_2262_OLAP_BUFFER_SYNTH_SWITCHING - FhG: basop issue 2262: correct buffer update for FD-CNG buffer in case of BR switching -> accept
  • FIX_2440_AGC_PRESCALING - FhG: basop issue 2440: Fix loop bounds when scaling p_output_fx before ivas_spar_dec_agc_pca_fx() -> accept

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