Assert in ivas_hq_phase_ecu_fx in decoder for 4 discrete ISM fixed to fixed with LTV +10dB input
# Basic info <!--- Add commit SHA used to reproduce --> - Fixed point: - Encoder (fixed): 4263280a4304ae791a7b2fcd91f3511e37fbecc1 - Decoder (fixed): 4263280a4304ae791a7b2fcd91f3511e37fbecc1 # Bug description This is a crash in this daily job https://forge.3gpp.org/rep/sa4/audio/ivas-basop/-/jobs/598383 There is an assert happening within FEC_HQ_phase_ecu_fx.c. It happens in frame 3812. Stack trace below: ![Screenshot_2025-10-29_at_19.30.33](/uploads/c97286b0a39b680f3644076091ecf197/Screenshot_2025-10-29_at_19.30.33.png) # Ways to reproduce Use the command-line below and the bitstream from Box (to simplify having +10 dB input) Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-2170 <!-- Commandline or script --> ```bash ./IVAS_dec BINAURAL 48 debug_error.bit out.wav ``` The original issue has object editing present but this happens even without it. <!--- Below are labels that will be added but are not shown in description. This is a template to help fill them. Add further information to the first row and remove and add labels as necessary. -->
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