Commit cfbc5f48 authored by kinuthia's avatar kinuthia
Browse files

backport fix 1096

parent e29aba03

lib_dec/ivas_sba_dirac_stereo_dec.c

+13 −0
Original line number Diff line number Diff line
@@ -384,10 +384,23 @@ static void map_params_dirac_to_stereo( 
                }

            }



#ifdef NONBE_FIX_1096_NAN_VALUES_IN_DIRAC_TO_STEREO

            /* Clamp values here. [-1, 1] is the allowed range, but due to precision issues they can be slightly off which can cause problems later. */

            side_gain[b] *= sqrtf( 1.f - diffuseness[b] );

            side_gain[b] = max( min( side_gain[b], 1 ), -1 );

            side_gain[b + STEREO_DFT_BAND_MAX] *= sqrtf( 1.f - diffuseness[b] );

            side_gain[b + STEREO_DFT_BAND_MAX] = max( min( side_gain[b + STEREO_DFT_BAND_MAX], 1 ), -1 );

            /* for residual prediction gain, allowed range is [0, 1]*/

            res_pred_gain[b] = diffuseness[b] * ( 1.0f - surrCoh[b] );

            res_pred_gain[b] = max( min( res_pred_gain[b], 1 ), 0 );

            res_pred_gain[b + STEREO_DFT_BAND_MAX] = diffuseness[b] * ( 1.0f - surrCoh[b] );

            res_pred_gain[b + STEREO_DFT_BAND_MAX] = max( min( res_pred_gain[b + STEREO_DFT_BAND_MAX], 1 ), 0 );

#else

            side_gain[b] *= sqrtf( 1.f - diffuseness[b] );

            side_gain[b + STEREO_DFT_BAND_MAX] *= sqrtf( 1.f - diffuseness[b] );

            res_pred_gain[b] = diffuseness[b] * ( 1.0f - surrCoh[b] );

            res_pred_gain[b + STEREO_DFT_BAND_MAX] = diffuseness[b] * ( 1.0f - surrCoh[b] );

#endif

        }

    }