Assert in 5.1@24.4 kbps decoder, map_params_dirac_to_stereo, +10 dB LTV

Basic info

• Fixed point:
  • Encoder (fixed): ba2aad75
  • Decoder (fixed): ba2aad75

Bug description

Assert in map_params_dirac_to_stereo in frame 762 for the bitstream from test case:

tests/codec_be_on_mr_nonselection/test_param_file.py::test_param_file_tests[ltv-Multi-channel 5_1 at 24.4 kbps, 48kHz in, 48kHz out, STEREO out]

Ways to reproduce

Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-2176

IVAS_dec STEREO 48 bs.192 out.wav