From 08714e91ed77822c6202f130621c6bf6a5219c6c Mon Sep 17 00:00:00 2001 From: Sandesh Venkatesh Date: Fri, 21 Mar 2025 10:26:18 +0530 Subject: [PATCH] Scaling related fix in ivas_enc_fx --- lib_enc/ivas_enc_fx.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/lib_enc/ivas_enc_fx.c b/lib_enc/ivas_enc_fx.c index e8e1bc59e..ff5f65b32 100644 --- a/lib_enc/ivas_enc_fx.c +++ b/lib_enc/ivas_enc_fx.c @@ -344,13 +344,22 @@ ivas_error ivas_enc_fx( { norm_data_in = s_min( norm_data_in, L_norm_arr( data_fx[i], input_frame ) ); } - norm_data_in = sub( norm_data_in, 7 ); /*guard bit is 4->to handle overflow in cldfbAnalysis*/ - FOR( i = 0; i < hEncoderConfig->nchan_ism + st_ivas->nchan_transport; i++ ) + IF( LT_16( norm_data_in, 31 ) ) + { + norm_data_in = sub( norm_data_in, 7 ); /*guard bit is 4->to handle overflow in cldfbAnalysis*/ + norm_data_in = s_min( norm_data_in, 20 ); // limit Q to 31 (11 + norm) + FOR( i = 0; i < hEncoderConfig->nchan_ism + st_ivas->nchan_transport; i++ ) + { + scale_sig32( data_fx[i], input_frame, norm_data_in ); /* st_ivas->q_data_fx + norm_data_in */ + } + st_ivas->q_data_fx = add( st_ivas->q_data_fx, norm_data_in ); + move16(); + } + ELSE { - scale_sig32( data_fx[i], input_frame, norm_data_in ); /* st_ivas->q_data_fx + norm_data_in */ + st_ivas->q_data_fx = 31; + move16(); } - st_ivas->q_data_fx = add( st_ivas->q_data_fx, norm_data_in ); - move16(); } /* Estimate MASA parameters for the objects */ -- GitLab