Commit 16c32dd7 authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
Browse files

Fix for 3GPP issue 1164: Assertion in reduce_metadata_further_fx for OMASA LTV input 

Link #1164
parent 4e780ae3

lib_enc/ivas_masa_enc.c

+9 −1
Original line number Diff line number Diff line
@@ -2500,6 +2500,8 @@ static void reduce_metadata_further_fx( 
        Word32 x, y, z;

        Word32 veclen, L_tmp;



        W_tmp = 0;

        move64();

        FOR( band = 0; band < numCodingBands; band++ )

        {

            xSum = 0;
@@ -2528,9 +2530,14 @@ static void reduce_metadata_further_fx( 
                ySum = L_add( ySum, y );

                zSum = L_add( zSum, z );



                bandSumEnergy = L_add( bandSumEnergy, energy[sf][band] );

                W_tmp = W_add( W_tmp, energy[sf][band] );

            }



            tmp2 = W_norm( W_tmp );

            tmp2 = s_min( 32, tmp2 );

            bandSumEnergy = W_extract_h( W_shl( W_tmp, tmp2 ) );

            tmp2 = sub( add( hMasa->data.q_energy, tmp2 ), 32 );



            aziRad = BASOP_util_atan2( ySum, xSum, 0 ); // Q13

            W_xSum_sq = W_mult0_32_32( xSum, xSum );    // 2 * hMasa->data.q_energy - Q6

            W_ySum_sq = W_mult0_32_32( ySum, ySum );    // 2 * hMasa->data.q_energy - Q6
@@ -2558,6 +2565,7 @@ static void reduce_metadata_further_fx( 
                }

                // hqmetadata->q_direction[0].coherence_band_data[band].spread_coherence[0] = (uint8_t) roundf( spreadCohSum / ( bandSumEnergy + EPSILON ) * 255.0f );

                tmp = BASOP_Util_Divide3232_Scale( spreadCohSum, bandSumEnergy, &exp );

                exp = add( exp, sub( tmp2, hMasa->data.q_energy ) );

                tmp = mult_r( tmp, 32640 /* 255 in Q7 */ );                                                                    // 15 - exp + 7 - 15 => 7 - exp

                hqmetadata->q_direction[0].coherence_band_data[band].spread_coherence[0] = (UWord8) shr( tmp, sub( 7, exp ) ); // Q0

                move16();