BASOP assert in OMASA ltv signal

Basic info

Bug description

Encoding the LTV signal for OMASA causes a BASOP assert in the CLDFB analysis. Noticed as crash in complexity pipeline:

Frames processed:       4031    IVAS_cod: lib_basop/basop32.c:1661: L_add: Assertion `0' failed.
Aborted (core dumped)

Stack trace:

Screenshot 2025-11-21 at 10.46.46.png

Ways to reproduce

IVAS_cod -ism_masa 2 2 ltv48_OMASA_2ISM_2TC_ISM1.csv ltv48_OMASA_2ISM_2TC_ISM2.csv ltv48_OMASA_2ISM_2TC.met 13200 48 ltv48_OMASA_2ISM_2TC.wav bit