Pointing optimized. (ab531da5) · Commits · SA4 / Audio / IVAS BASOP

lib_enc/ivas_stereo_dmx_evs_fx.c

+92 −87

Original line number	Diff line number	Diff line
		@@ -118,6 +118,7 @@
		#define STEREO_DMX_EVS_SGC_GMIN 23170 // 0.7071f
		#define STEREO_DMX_EVS_IPD_ILD_THRES_Q29 1696512082 // 3.16f (5dB)
		#define STEREO_DMX_EVS_IPD_SF_THRES_Q31 107374182 // 0.05f

		const Word32 ipd_ff_Q31[STEREO_DMX_EVS_NB_SUBBAND_MAX] = {
		2027355520, 2027355520, 2027355520, 2027355520, 2027355520, 2027355520, 2027355520, 2027355520, 2027355520, 2027355520,
		2027355520, 2027355520, 2027355520, 2027355520, 2027355520, 2027355520, 2027355520, 2027355520, 2027355520, 2027355520,
		@@ -144,7 +145,9 @@ const Word32 ipd_ff_Q31[STEREO_DMX_EVS_NB_SUBBAND_MAX] = {
		1841888128, 1841888128, 1841888128, 1841888128, 1841888128, 1841888128, 1841888128, 1841888128, 1841888128, 1841888128,
		1841888128, 1841888128, 1841888128, 1841888128, 1841888128, 1841888128, 1841888128, 1841888128, 1841888128, 1841888128
		};

		#else

		const Word32 ipd_ff_Q31[STEREO_DMX_EVS_NB_SUBBAND_MAX] = {
		2027355264, 2027355264, 2027355264, 2027355264, 2027355264, 2027355264, 2027355264, 2027355264, 2027355264, 2027355264,
		2027355264, 2027355264, 2027355264, 2027355264, 2027355264, 2027355264, 2027355264, 2027355264, 2027355264, 2027355264,
		@@ -1442,7 +1445,6 @@ static void calc_poc_fx(
		}
		}


		rfft_buf[0] = L_shr_r( specPOr[0], 10 ); // Q31->Q21
		move32();
		rfft_buf[1] = L_shr_r( specPOr[n0], 10 ); // Q31->Q21
		@@ -2446,6 +2448,8 @@ void stereo_dmx_evs_enc_fx(
		Word16 n_fad_r, n_fad_g, m_fad_g, n_fad_cnt;

		STEREO_DMX_EVS_PRC prev_prc;
		STEREO_DMX_EVS_PHA_HANDLE hPHA;

		Word16 input_subframe, is_transient, dmx_gain_sgc;
		Word32 *p_sub_frame, subframe_energy[STEREO_DMX_EVS_NB_SBFRM];
		Word16 subframe_energy_e[STEREO_DMX_EVS_NB_SBFRM];
		@@ -2484,6 +2488,7 @@ void stereo_dmx_evs_enc_fx(
		BREAK;
		}
		move16();
		hPHA = hStereoDmxEVS->hPHA;

		FOR( n = 0; n < input_frame; n++ )
		{
		@@ -2541,29 +2546,29 @@ void stereo_dmx_evs_enc_fx(
		W_tmp_q = W_norm( W_tmp );
		W_tmp = W_shl( W_tmp, W_tmp_q );
		L_tmp1 = W_extract_h( W_tmp ); // Q(31-(30-W_tmp_q))
		L_tmp1_e = sub( 15 * 2, W_tmp_q );
		L_tmp1_e = sub( 15 << 1, W_tmp_q );
		subframe_energy[m] = BASOP_Util_Add_Mant32Exp( subframe_energy[m], subframe_energy_e[m], L_tmp1, L_tmp1_e, &subframe_energy_e[m] );
		move32();
		}

		L_tmp1 = BASOP_Util_Add_Mant32Exp( hStereoDmxEVS->hPHA->trns_aux_energy_fx[k], hStereoDmxEVS->hPHA->trns_aux_energy_fx_e[k], EPSILON_FX_M, EPSILON_FX_E, &L_tmp1_e );
		L_tmp1 = BASOP_Util_Add_Mant32Exp( hPHA->trns_aux_energy_fx[k], hPHA->trns_aux_energy_fx_e[k], EPSILON_FX_M, EPSILON_FX_E, &L_tmp1_e );
		L_tmp2 = BASOP_Util_Divide3232_Scale_cadence( subframe_energy[m], L_tmp1, &L_tmp2_e );
		L_tmp2_e = add( L_tmp2_e, sub( subframe_energy_e[m], L_tmp1_e ) );
		// if ( subframe_energy[m] / ( hStereoDmxEVS->hPHA->trns_aux_energy[k] + EPSILON ) > hStereoDmxEVS->hPHA->crst_fctr )
		if ( BASOP_Util_Cmp_Mant32Exp( L_tmp2, L_tmp2_e, hStereoDmxEVS->hPHA->crst_fctr_fx, 31 ) > 0 )
		// if ( subframe_energy[m] / ( hPHA->trns_aux_energy[k] + EPSILON ) > hPHA->crst_fctr )
		if ( BASOP_Util_Cmp_Mant32Exp( L_tmp2, L_tmp2_e, hPHA->crst_fctr_fx, 31 ) > 0 )
		{
		is_transient = 1;
		move16();
		}

		// hStereoDmxEVS->hPHA->trns_aux_energy[k] = STEREO_DMX_EVS_TRNS_EGY_FORGETTING * hStereoDmxEVS->hPHA->trns_aux_energy[k] + ( 1.0f - STEREO_DMX_EVS_TRNS_EGY_FORGETTING ) * subframe_energy[m];
		hStereoDmxEVS->hPHA->trns_aux_energy_fx[k] = BASOP_Util_Add_Mant32Exp( Mpy_32_16_1( hStereoDmxEVS->hPHA->trns_aux_energy_fx[k], STEREO_DMX_EVS_TRNS_EGY_FORGETTING_Q15 ), hStereoDmxEVS->hPHA->trns_aux_energy_fx_e[k], Mpy_32_16_1( subframe_energy[m], sub( MAX_16, STEREO_DMX_EVS_TRNS_EGY_FORGETTING_Q15 ) ), subframe_energy_e[m], &hStereoDmxEVS->hPHA->trns_aux_energy_fx_e[k] );
		// hPHA->trns_aux_energy[k] = STEREO_DMX_EVS_TRNS_EGY_FORGETTING * hPHA->trns_aux_energy[k] + ( 1.0f - STEREO_DMX_EVS_TRNS_EGY_FORGETTING ) * subframe_energy[m];
		hPHA->trns_aux_energy_fx[k] = BASOP_Util_Add_Mant32Exp( Mpy_32_16_1( hPHA->trns_aux_energy_fx[k], STEREO_DMX_EVS_TRNS_EGY_FORGETTING_Q15 ), hPHA->trns_aux_energy_fx_e[k], Mpy_32_16_1( subframe_energy[m], sub( MAX_16, STEREO_DMX_EVS_TRNS_EGY_FORGETTING_Q15 ) ), subframe_energy_e[m], &hPHA->trns_aux_energy_fx_e[k] );
		move32();
		}

		FOR( m = 1; m < STEREO_DMX_EVS_NB_SBFRM; m++ )
		{
		L_tmp1 = BASOP_Util_Add_Mant32Exp( subframe_energy[m - 1], subframe_energy_e[m - 1], EPSILON_FX_M, EPSILON_FX_E, &L_tmp1_e );
		L_tmp1 = BASOP_Util_Add_Mant32Exp( subframe_energy[sub( m, 1 )], subframe_energy_e[sub( m, 1 )], EPSILON_FX_M, EPSILON_FX_E, &L_tmp1_e );
		L_tmp2 = BASOP_Util_Divide3232_Scale_cadence( subframe_energy[m], L_tmp1, &L_tmp2_e );
		L_tmp2_e = add( L_tmp2_e, sub( subframe_energy_e[m], L_tmp1_e ) );
		// if ( subframe_energy[m] / ( subframe_energy[m - 1] + EPSILON ) > STEREO_DMX_EVS_TRNS_DTC_INST )
		@@ -2575,14 +2580,14 @@ void stereo_dmx_evs_enc_fx(
		}
		}

		estimate_itd_fx( &corr, hStereoDmxEVS->hPOC, hStereoDmxEVS->hPHA, data_fx[0], data_fx[1], &hStereoDmxEVS->itd_fx, input_frame );
		estimate_itd_fx( &corr, hStereoDmxEVS->hPOC, hPHA, data_fx[0], data_fx[1], &hStereoDmxEVS->itd_fx, input_frame );

		/* poc */

		IF( hStereoDmxEVS->itd_fx )
		{
		// dmx_weight = ( ( hStereoDmxEVS->itd > 0 ) ? ( -1 ) : 1 ) * 0.5f * corr + 0.5f;
		IF( hStereoDmxEVS->itd_fx > 0 )
		IF( GT_16( hStereoDmxEVS->itd_fx, 0 ) )
		{
		dmx_weight = add( negate( shr( corr, 1 ) ), ONE_IN_Q14 );
		}
		@@ -2607,11 +2612,11 @@ void stereo_dmx_evs_enc_fx(

		/* pha */

		pha_len = hStereoDmxEVS->hPHA->pha_len;
		pha_len = hPHA->pha_len;
		move16();
		fad_len = hStereoDmxEVS->hPHA->fad_len;
		fad_len = hPHA->fad_len;
		move16();
		fad_g = hStereoDmxEVS->hPHA->fad_g_fx;
		fad_g = hPHA->fad_g_fx;

		set_zero_fx( dmx_pha_data, n_samples );
		set_zero_fx( mem_prev, fad_len );
		@@ -2619,12 +2624,12 @@ void stereo_dmx_evs_enc_fx(
		FOR( k = 0; k < CPE_CHANNELS; k++ )
		{
		p_data = data_fx[k];
		Copy32( hStereoDmxEVS->hPHA->data_mem_fx[k], data_mem, pha_len );
		Copy32( &( p_data[n_samples - pha_len] ), hStereoDmxEVS->hPHA->data_mem_fx[k], pha_len );
		Copy32( hPHA->data_mem_fx[k], data_mem, pha_len );
		Copy32( &( p_data[sub( n_samples, pha_len )] ), hPHA->data_mem_fx[k], pha_len );
		p_data_mem = &( data_mem[pha_len] );
		Copy32( p_data, p_data_mem, n_samples );

		p_prev_taps = hStereoDmxEVS->hPHA->p_prev_taps_fx[k];
		p_prev_taps = hPHA->p_prev_taps_fx[k];
		IF( p_prev_taps )
		{
		FOR( n = 0; n < fad_len; n++ )
		@@ -2632,7 +2637,7 @@ void stereo_dmx_evs_enc_fx(
		FOR( ( fx_tmp = 0, m = 0 ); m < pha_len; m++ )
		{
		// ftmp += p_data_mem[n - m] * p_prev_taps[m];
		fx_tmp = L_add( fx_tmp, Mpy_32_32( p_data_mem[n - m], p_prev_taps[m] ) ); // Q25
		fx_tmp = L_add( fx_tmp, Mpy_32_32( p_data_mem[sub( n, m )], p_prev_taps[m] ) ); // Q25
		}
		fx_tmp = L_shl( fx_tmp, 1 ); // Q26
		mem_prev[n] = L_add( mem_prev[n], Mpy_32_32( fx_tmp, INV_SQRT_2_Q31 ) );
		@@ -2649,7 +2654,7 @@ void stereo_dmx_evs_enc_fx(
		}
		}

		p_curr_taps = hStereoDmxEVS->hPHA->p_curr_taps_fx[k];
		p_curr_taps = hPHA->p_curr_taps_fx[k];
		IF( p_curr_taps )
		{
		FOR( n = 0; n < n_samples; n++ )
		@@ -2657,7 +2662,7 @@ void stereo_dmx_evs_enc_fx(
		FOR( ( fx_tmp = 0, m = 0 ); m < pha_len; m++ )
		{
		// ftmp += p_data_mem[n - m] * p_curr_taps[m];
		fx_tmp = L_add( fx_tmp, Mpy_32_32( p_data_mem[n - m], p_curr_taps[m] ) ); // Q25
		fx_tmp = L_add( fx_tmp, Mpy_32_32( p_data_mem[sub( n, m )], p_curr_taps[m] ) ); // Q25
		}
		fx_tmp = L_shl( fx_tmp, 1 ); // Q26
		// dmx_pha_data[n] += ftmp * INV_SQRT_2;
		@@ -2686,59 +2691,59 @@ void stereo_dmx_evs_enc_fx(

		/* prc switch */

		prev_prc = hStereoDmxEVS->hPHA->curr_prc;
		prev_prc = hPHA->curr_prc;
		move32();
		// if ( abs( (int16_t) hStereoDmxEVS->itd ) > hStereoDmxEVS->hPHA->prc_thres )
		IF( GT_16( abs_s( hStereoDmxEVS->itd_fx ), hStereoDmxEVS->hPHA->prc_thres ) )
		// if ( abs( (int16_t) hStereoDmxEVS->itd ) > hPHA->prc_thres )
		IF( GT_16( abs_s( hStereoDmxEVS->itd_fx ), hPHA->prc_thres ) )
		{
		IF( NE_32( hStereoDmxEVS->hPHA->curr_prc, STEREO_DMX_EVS_PRC_POC ) )
		IF( NE_32( hPHA->curr_prc, STEREO_DMX_EVS_PRC_POC ) )
		{
		IF( EQ_32( hStereoDmxEVS->hPHA->prev_prc, STEREO_DMX_EVS_PRC_POC ) )
		IF( EQ_32( hPHA->prev_prc, STEREO_DMX_EVS_PRC_POC ) )
		{
		hStereoDmxEVS->hPHA->prc_hys_cnt = add( hStereoDmxEVS->hPHA->prc_hys_cnt, 1 );
		hPHA->prc_hys_cnt = add( hPHA->prc_hys_cnt, 1 );
		move16();
		}
		ELSE
		{
		hStereoDmxEVS->hPHA->prc_hys_cnt = 0;
		hPHA->prc_hys_cnt = 0;
		move16();
		}

		if ( GE_16( hStereoDmxEVS->hPHA->prc_hys_cnt, STEREO_DMX_EVS_SWTCH_PRC_HYS_THRES ) )
		if ( GE_16( hPHA->prc_hys_cnt, STEREO_DMX_EVS_SWTCH_PRC_HYS_THRES ) )
		{
		hStereoDmxEVS->hPHA->curr_prc = STEREO_DMX_EVS_PRC_POC;
		hPHA->curr_prc = STEREO_DMX_EVS_PRC_POC;
		move32();
		}
		}
		hStereoDmxEVS->hPHA->prev_prc = STEREO_DMX_EVS_PRC_POC;
		hPHA->prev_prc = STEREO_DMX_EVS_PRC_POC;
		move32();
		}
		ELSE
		{
		IF( NE_32( hStereoDmxEVS->hPHA->curr_prc, STEREO_DMX_EVS_PRC_PHA ) )
		IF( NE_32( hPHA->curr_prc, STEREO_DMX_EVS_PRC_PHA ) )
		{
		IF( EQ_32( hStereoDmxEVS->hPHA->prev_prc, STEREO_DMX_EVS_PRC_PHA ) )
		IF( EQ_32( hPHA->prev_prc, STEREO_DMX_EVS_PRC_PHA ) )
		{
		hStereoDmxEVS->hPHA->prc_hys_cnt = add( hStereoDmxEVS->hPHA->prc_hys_cnt, 1 );
		hPHA->prc_hys_cnt = add( hPHA->prc_hys_cnt, 1 );
		move16();
		}
		ELSE
		{
		hStereoDmxEVS->hPHA->prc_hys_cnt = 0;
		hPHA->prc_hys_cnt = 0;
		move16();
		}

		if ( GE_16( hStereoDmxEVS->hPHA->prc_hys_cnt, STEREO_DMX_EVS_SWTCH_PRC_HYS_THRES ) )
		if ( GE_16( hPHA->prc_hys_cnt, STEREO_DMX_EVS_SWTCH_PRC_HYS_THRES ) )
		{
		hStereoDmxEVS->hPHA->curr_prc = STEREO_DMX_EVS_PRC_PHA;
		hPHA->curr_prc = STEREO_DMX_EVS_PRC_PHA;
		move32();
		}
		}
		hStereoDmxEVS->hPHA->prev_prc = STEREO_DMX_EVS_PRC_PHA;
		hPHA->prev_prc = STEREO_DMX_EVS_PRC_PHA;
		move32();
		}

		// if ( ( is_transient == 1 ) \|\| ( hStereoDmxEVS->aux_dmx_energy[0] > STEREO_DMX_EVS_ILDS_EGY * hStereoDmxEVS->aux_dmx_energy[1] ) \|\| ( hStereoDmxEVS->aux_dmx_energy[1] > STEREO_DMX_EVS_ILDS_EGY * hStereoDmxEVS->aux_dmx_energy[0] ) \|\| ( ( hStereoDmxEVS->hPHA->p_curr_taps[0] == NULL ) && ( hStereoDmxEVS->hPHA->p_curr_taps[1] == NULL ) ) )
		// if ( ( is_transient == 1 ) \|\| ( hStereoDmxEVS->aux_dmx_energy[0] > STEREO_DMX_EVS_ILDS_EGY * hStereoDmxEVS->aux_dmx_energy[1] ) \|\| ( hStereoDmxEVS->aux_dmx_energy[1] > STEREO_DMX_EVS_ILDS_EGY * hStereoDmxEVS->aux_dmx_energy[0] ) \|\| ( ( hPHA->p_curr_taps[0] == NULL ) && ( hPHA->p_curr_taps[1] == NULL ) ) )
		test();
		test();
		test();
		@@ -2746,60 +2751,60 @@ void stereo_dmx_evs_enc_fx(
		IF( EQ_16( is_transient, 1 ) \|\|
		BASOP_Util_Cmp_Mant32Exp( hStereoDmxEVS->aux_dmx_energy_fx[0], hStereoDmxEVS->aux_dmx_energy_fx_e[0], Mpy_32_32( STEREO_DMX_EVS_ILDS_EGY_Q17, hStereoDmxEVS->aux_dmx_energy_fx[1] ), add( hStereoDmxEVS->aux_dmx_energy_fx_e[1], 14 ) ) > 0 \|\|
		BASOP_Util_Cmp_Mant32Exp( hStereoDmxEVS->aux_dmx_energy_fx[1], hStereoDmxEVS->aux_dmx_energy_fx_e[1], Mpy_32_32( STEREO_DMX_EVS_ILDS_EGY_Q17, hStereoDmxEVS->aux_dmx_energy_fx[0] ), add( hStereoDmxEVS->aux_dmx_energy_fx_e[0], 14 ) ) > 0 \|\|
		EQ_16( hStereoDmxEVS->hPHA->force_poc, TRUE ) )
		EQ_16( hPHA->force_poc, TRUE ) )
		{
		hStereoDmxEVS->hPHA->curr_prc = STEREO_DMX_EVS_PRC_POC;
		hPHA->curr_prc = STEREO_DMX_EVS_PRC_POC;
		move32();
		hStereoDmxEVS->hPHA->prc_hys_cnt = 0;
		hPHA->prc_hys_cnt = 0;
		move16();
		}

		calc_energy_sgc( dmx_poc_data, &( hStereoDmxEVS->hPHA->dmx_poc_ener_fx ), &( hStereoDmxEVS->hPHA->dmx_poc_ener_fx_e ), n_samples, STEREO_DMX_EVS_SGC_EGY_FORGETTING_Q15 );
		calc_energy_sgc( dmx_pha_data, &( hStereoDmxEVS->hPHA->dmx_pha_ener_fx ), &( hStereoDmxEVS->hPHA->dmx_pha_ener_fx_e ), n_samples, STEREO_DMX_EVS_SGC_EGY_FORGETTING_Q15 );
		calc_energy_sgc( dmx_poc_data, &( hPHA->dmx_poc_ener_fx ), &( hPHA->dmx_poc_ener_fx_e ), n_samples, STEREO_DMX_EVS_SGC_EGY_FORGETTING_Q15 );
		calc_energy_sgc( dmx_pha_data, &( hPHA->dmx_pha_ener_fx ), &( hPHA->dmx_pha_ener_fx_e ), n_samples, STEREO_DMX_EVS_SGC_EGY_FORGETTING_Q15 );

		IF( NE_32( prev_prc, hStereoDmxEVS->hPHA->curr_prc ) && EQ_16( is_transient, 0 ) && !( ( BASOP_Util_Cmp_Mant32Exp( hStereoDmxEVS->hPHA->dmx_pha_ener_fx, hStereoDmxEVS->hPHA->dmx_pha_ener_fx_e, hStereoDmxEVS->hPHA->low_egy_thres_sgc, hStereoDmxEVS->hPHA->low_egy_thres_sgc_e ) < 0 ) && ( BASOP_Util_Cmp_Mant32Exp( hStereoDmxEVS->hPHA->dmx_poc_ener_fx, hStereoDmxEVS->hPHA->dmx_poc_ener_fx_e, hStereoDmxEVS->hPHA->low_egy_thres_sgc, hStereoDmxEVS->hPHA->low_egy_thres_sgc_e ) < 0 ) ) )
		IF( NE_32( prev_prc, hPHA->curr_prc ) && EQ_16( is_transient, 0 ) && !( ( BASOP_Util_Cmp_Mant32Exp( hPHA->dmx_pha_ener_fx, hPHA->dmx_pha_ener_fx_e, hPHA->low_egy_thres_sgc, hPHA->low_egy_thres_sgc_e ) < 0 ) && ( BASOP_Util_Cmp_Mant32Exp( hPHA->dmx_poc_ener_fx, hPHA->dmx_poc_ener_fx_e, hPHA->low_egy_thres_sgc, hPHA->low_egy_thres_sgc_e ) < 0 ) ) )
		{
		IF( EQ_32( hStereoDmxEVS->hPHA->curr_prc, STEREO_DMX_EVS_PRC_POC ) )
		IF( EQ_32( hPHA->curr_prc, STEREO_DMX_EVS_PRC_POC ) )
		{
		apply_gain_sgc( dmx_pha_data, &( hStereoDmxEVS->hPHA->dmx_pha_gain_sgc_fx ), n_samples );
		calc_energy_sgc( dmx_pha_data, &( hStereoDmxEVS->hPHA->dmx_pha_ener_sgc_fx ), &( hStereoDmxEVS->hPHA->dmx_pha_ener_sgc_fx_e ), n_samples, STEREO_DMX_EVS_SGC_EGY_FORGETTING_Q15 );
		apply_gain_sgc( dmx_pha_data, &( hPHA->dmx_pha_gain_sgc_fx ), n_samples );
		calc_energy_sgc( dmx_pha_data, &( hPHA->dmx_pha_ener_sgc_fx ), &( hPHA->dmx_pha_ener_sgc_fx_e ), n_samples, STEREO_DMX_EVS_SGC_EGY_FORGETTING_Q15 );

		L_tmp1 = BASOP_Util_Add_Mant32Exp( hStereoDmxEVS->hPHA->dmx_poc_ener_fx, hStereoDmxEVS->hPHA->dmx_poc_ener_fx_e, EPSILON_FX_M, EPSILON_FX_E, &L_tmp1_e );
		BASOP_Util_Divide_MantExp( extract_h( hStereoDmxEVS->hPHA->dmx_pha_ener_sgc_fx ), hStereoDmxEVS->hPHA->dmx_pha_ener_sgc_fx_e, extract_h( L_tmp1 ), L_tmp1_e, &dmx_gain_sgc, &L_tmp2_e );
		L_tmp1 = BASOP_Util_Add_Mant32Exp( hPHA->dmx_poc_ener_fx, hPHA->dmx_poc_ener_fx_e, EPSILON_FX_M, EPSILON_FX_E, &L_tmp1_e );
		BASOP_Util_Divide_MantExp( extract_h( hPHA->dmx_pha_ener_sgc_fx ), hPHA->dmx_pha_ener_sgc_fx_e, extract_h( L_tmp1 ), L_tmp1_e, &dmx_gain_sgc, &L_tmp2_e );
		dmx_gain_sgc = Sqrt16( dmx_gain_sgc, &L_tmp2_e );
		hStereoDmxEVS->hPHA->dmx_poc_gain_sgc_fx = L_shl( L_deposit_l( dmx_gain_sgc ), L_tmp2_e ); // Q15
		hStereoDmxEVS->hPHA->dmx_poc_gain_sgc_fx = L_min( hStereoDmxEVS->hPHA->dmx_poc_gain_sgc_fx, STEREO_DMX_EVS_SGC_GMAX );
		hStereoDmxEVS->hPHA->dmx_poc_gain_sgc_fx = L_max( hStereoDmxEVS->hPHA->dmx_poc_gain_sgc_fx, STEREO_DMX_EVS_SGC_GMIN );
		hPHA->dmx_poc_gain_sgc_fx = L_shl( L_deposit_l( dmx_gain_sgc ), L_tmp2_e ); // Q15
		hPHA->dmx_poc_gain_sgc_fx = L_min( hPHA->dmx_poc_gain_sgc_fx, STEREO_DMX_EVS_SGC_GMAX );
		hPHA->dmx_poc_gain_sgc_fx = L_max( hPHA->dmx_poc_gain_sgc_fx, STEREO_DMX_EVS_SGC_GMIN );

		apply_gain_sgc( dmx_poc_data, &( hStereoDmxEVS->hPHA->dmx_poc_gain_sgc_fx ), n_samples );
		calc_energy_sgc( dmx_poc_data, &( hStereoDmxEVS->hPHA->dmx_poc_ener_sgc_fx ), &( hStereoDmxEVS->hPHA->dmx_poc_ener_sgc_fx_e ), n_samples, STEREO_DMX_EVS_SGC_EGY_FORGETTING_Q15 );
		apply_gain_sgc( dmx_poc_data, &( hPHA->dmx_poc_gain_sgc_fx ), n_samples );
		calc_energy_sgc( dmx_poc_data, &( hPHA->dmx_poc_ener_sgc_fx ), &( hPHA->dmx_poc_ener_sgc_fx_e ), n_samples, STEREO_DMX_EVS_SGC_EGY_FORGETTING_Q15 );
		}
		ELSE
		{
		apply_gain_sgc( dmx_poc_data, &( hStereoDmxEVS->hPHA->dmx_poc_gain_sgc_fx ), n_samples );
		calc_energy_sgc( dmx_poc_data, &( hStereoDmxEVS->hPHA->dmx_poc_ener_sgc_fx ), &( hStereoDmxEVS->hPHA->dmx_poc_ener_sgc_fx_e ), n_samples, STEREO_DMX_EVS_SGC_EGY_FORGETTING_Q15 );
		apply_gain_sgc( dmx_poc_data, &( hPHA->dmx_poc_gain_sgc_fx ), n_samples );
		calc_energy_sgc( dmx_poc_data, &( hPHA->dmx_poc_ener_sgc_fx ), &( hPHA->dmx_poc_ener_sgc_fx_e ), n_samples, STEREO_DMX_EVS_SGC_EGY_FORGETTING_Q15 );

		L_tmp1 = BASOP_Util_Add_Mant32Exp( hStereoDmxEVS->hPHA->dmx_pha_ener_fx, hStereoDmxEVS->hPHA->dmx_pha_ener_fx_e, EPSILON_FX_M, EPSILON_FX_E, &L_tmp1_e );
		BASOP_Util_Divide_MantExp( extract_h( hStereoDmxEVS->hPHA->dmx_poc_ener_sgc_fx ), hStereoDmxEVS->hPHA->dmx_poc_ener_sgc_fx_e, extract_h( L_tmp1 ), L_tmp1_e, &dmx_gain_sgc, &L_tmp2_e );
		L_tmp1 = BASOP_Util_Add_Mant32Exp( hPHA->dmx_pha_ener_fx, hPHA->dmx_pha_ener_fx_e, EPSILON_FX_M, EPSILON_FX_E, &L_tmp1_e );
		BASOP_Util_Divide_MantExp( extract_h( hPHA->dmx_poc_ener_sgc_fx ), hPHA->dmx_poc_ener_sgc_fx_e, extract_h( L_tmp1 ), L_tmp1_e, &dmx_gain_sgc, &L_tmp2_e );
		dmx_gain_sgc = Sqrt16( dmx_gain_sgc, &L_tmp2_e );
		hStereoDmxEVS->hPHA->dmx_pha_gain_sgc_fx = L_shl( L_deposit_l( dmx_gain_sgc ), L_tmp2_e ); // Q15
		hStereoDmxEVS->hPHA->dmx_pha_gain_sgc_fx = L_min( hStereoDmxEVS->hPHA->dmx_pha_gain_sgc_fx, STEREO_DMX_EVS_SGC_GMAX );
		hStereoDmxEVS->hPHA->dmx_pha_gain_sgc_fx = L_max( hStereoDmxEVS->hPHA->dmx_pha_gain_sgc_fx, STEREO_DMX_EVS_SGC_GMIN );
		hPHA->dmx_pha_gain_sgc_fx = L_shl( L_deposit_l( dmx_gain_sgc ), L_tmp2_e ); // Q15
		hPHA->dmx_pha_gain_sgc_fx = L_min( hPHA->dmx_pha_gain_sgc_fx, STEREO_DMX_EVS_SGC_GMAX );
		hPHA->dmx_pha_gain_sgc_fx = L_max( hPHA->dmx_pha_gain_sgc_fx, STEREO_DMX_EVS_SGC_GMIN );

		apply_gain_sgc( dmx_pha_data, &( hStereoDmxEVS->hPHA->dmx_pha_gain_sgc_fx ), n_samples );
		calc_energy_sgc( dmx_pha_data, &( hStereoDmxEVS->hPHA->dmx_pha_ener_sgc_fx ), &( hStereoDmxEVS->hPHA->dmx_pha_ener_sgc_fx_e ), n_samples, STEREO_DMX_EVS_SGC_EGY_FORGETTING_Q15 );
		apply_gain_sgc( dmx_pha_data, &( hPHA->dmx_pha_gain_sgc_fx ), n_samples );
		calc_energy_sgc( dmx_pha_data, &( hPHA->dmx_pha_ener_sgc_fx ), &( hPHA->dmx_pha_ener_sgc_fx_e ), n_samples, STEREO_DMX_EVS_SGC_EGY_FORGETTING_Q15 );
		}
		}
		ELSE
		{
		apply_gain_sgc( dmx_poc_data, &( hStereoDmxEVS->hPHA->dmx_poc_gain_sgc_fx ), n_samples );
		calc_energy_sgc( dmx_poc_data, &( hStereoDmxEVS->hPHA->dmx_poc_ener_sgc_fx ), &( hStereoDmxEVS->hPHA->dmx_poc_ener_sgc_fx_e ), n_samples, STEREO_DMX_EVS_SGC_EGY_FORGETTING_Q15 );
		apply_gain_sgc( dmx_poc_data, &( hPHA->dmx_poc_gain_sgc_fx ), n_samples );
		calc_energy_sgc( dmx_poc_data, &( hPHA->dmx_poc_ener_sgc_fx ), &( hPHA->dmx_poc_ener_sgc_fx_e ), n_samples, STEREO_DMX_EVS_SGC_EGY_FORGETTING_Q15 );

		apply_gain_sgc( dmx_pha_data, &( hStereoDmxEVS->hPHA->dmx_pha_gain_sgc_fx ), n_samples );
		calc_energy_sgc( dmx_pha_data, &( hStereoDmxEVS->hPHA->dmx_pha_ener_sgc_fx ), &( hStereoDmxEVS->hPHA->dmx_pha_ener_sgc_fx_e ), n_samples, STEREO_DMX_EVS_SGC_EGY_FORGETTING_Q15 );
		apply_gain_sgc( dmx_pha_data, &( hPHA->dmx_pha_gain_sgc_fx ), n_samples );
		calc_energy_sgc( dmx_pha_data, &( hPHA->dmx_pha_ener_sgc_fx ), &( hPHA->dmx_pha_ener_sgc_fx_e ), n_samples, STEREO_DMX_EVS_SGC_EGY_FORGETTING_Q15 );
		}

		IF( EQ_32( hStereoDmxEVS->hPHA->curr_prc, STEREO_DMX_EVS_PRC_POC ) )
		IF( EQ_32( hPHA->curr_prc, STEREO_DMX_EVS_PRC_POC ) )
		{
		p_dmx_data = dmx_poc_data;
		p_dmx_data_fo = dmx_pha_data;
		@@ -2821,47 +2826,48 @@ void stereo_dmx_evs_enc_fx(
		move16();
		}

		IF( NE_32( prev_prc, hStereoDmxEVS->hPHA->curr_prc ) )
		IF( NE_32( prev_prc, hPHA->curr_prc ) )
		{
		IF( EQ_16( hStereoDmxEVS->hPHA->n_fad_g, input_frame ) )
		IF( EQ_16( hPHA->n_fad_g, input_frame ) )
		{
		hStereoDmxEVS->hPHA->n_fad_g = 0;
		hStereoDmxEVS->hPHA->n_fad_cnt = 0;
		hPHA->n_fad_g = 0;
		hPHA->n_fad_cnt = 0;
		move16();
		move16();
		}
		ELSE
		{
		hStereoDmxEVS->hPHA->n_fad_g = sub( input_frame, add( hStereoDmxEVS->hPHA->n_fad_g, 1 ) );
		hPHA->n_fad_g = sub( input_frame, add( hPHA->n_fad_g, 1 ) );
		#ifdef NONBE_FIX_947_STEREO_DMX_FADOPT
		hStereoDmxEVS->hPHA->n_fad_cnt = 0;
		hPHA->n_fad_cnt = 0;
		move16();
		#else
		IF( EQ_16( is_transient, 1 ) )
		{
		hStereoDmxEVS->hPHA->n_fad_cnt = 0;
		hPHA->n_fad_cnt = 0;
		move16();
		}
		ELSE
		{
		hStereoDmxEVS->hPHA->n_fad_cnt = sub( n_fad_r, hStereoDmxEVS->hPHA->n_fad_cnt );
		hPHA->n_fad_cnt = sub( n_fad_r, hPHA->n_fad_cnt );
		}
		#endif
		}
		}
		ELSE IF( is_transient )
		{
		hStereoDmxEVS->hPHA->n_fad_cnt = 0;
		hPHA->n_fad_cnt = 0;
		move16();
		}

		fad_len = s_min( n_samples, sub( mult0( input_frame, n_fad_r ), add( mult0( hStereoDmxEVS->hPHA->n_fad_g, n_fad_r ), hStereoDmxEVS->hPHA->n_fad_cnt ) ) );
		fad_len = s_min( n_samples, sub( mult0( input_frame, n_fad_r ), add( mult0( hPHA->n_fad_g, n_fad_r ), hPHA->n_fad_cnt ) ) );

		IF( NE_16( fad_len, 0 ) )
		{
		fad_g = hStereoDmxEVS->hPHA->fad_g_prc_fx;
		fad_g = hPHA->fad_g_prc_fx;
		move32();
		n_fad_g = hStereoDmxEVS->hPHA->n_fad_g;
		n_fad_cnt = hStereoDmxEVS->hPHA->n_fad_cnt;
		n_fad_g = hPHA->n_fad_g;
		n_fad_cnt = hPHA->n_fad_cnt;
		move16();
		move16();
		m_fad_g = sub( input_frame, add( n_fad_g, 1 ) );
		@@ -2949,8 +2955,8 @@ void stereo_dmx_evs_enc_fx(
		}
		#endif

		hStereoDmxEVS->hPHA->n_fad_g = n_fad_g;
		hStereoDmxEVS->hPHA->n_fad_cnt = n_fad_cnt;
		hPHA->n_fad_g = n_fad_g;
		hPHA->n_fad_cnt = n_fad_cnt;
		move16();
		move16();
		}
		@@ -3350,7 +3356,7 @@ ivas_error stereo_dmx_evs_init_encoder_fx(
		Word16 n, input_frame;

		Word16 m, len, pha_len, fad_len, fad_len2, rfft_ipd_coef_step, n0, input_frame_pha;
		Word32 fad_g, fad_r, ipd_ff;
		Word32 *fad_g, fad_r;
		Word16 *win;
		const Word16 *p_ipd_w;
		Word16 tmp_e;
		@@ -3608,7 +3614,7 @@ ivas_error stereo_dmx_evs_init_encoder_fx(
		move16();
		IF( EQ_32( input_Fs, 16000 ) )
		{
		hStereoDmxEVS->hPHA->win_fx[pha_len - 1] = 7373; /0.45f in Q14/
		hStereoDmxEVS->hPHA->win_fx[sub( pha_len, 1 )] = 7373; /0.45f in Q14/
		move16();
		}
		ELSE IF( EQ_32( input_Fs, 32000 ) \|\| EQ_32( input_Fs, 48000 ) )
		@@ -3641,8 +3647,7 @@ ivas_error stereo_dmx_evs_init_encoder_fx(

		/* Compute the forgetting factor */
		// replaced below logic with table as it is same for all frame lengths
		ipd_ff = hStereoDmxEVS->hPHA->ipd_ff_fx;
		Copy32( ipd_ff_Q31, ipd_ff, STEREO_DMX_EVS_NB_SUBBAND_MAX );
		Copy32( ipd_ff_Q31, hStereoDmxEVS->hPHA->ipd_ff_fx, STEREO_DMX_EVS_NB_SUBBAND_MAX );

		#ifdef NONBE_FIX_947_STEREO_DMX_EVS_PHA
		hStereoDmxEVS->hPHA->proc_pha = STEREO_DMX_EVS_PHA_IPD;
		@@ -3701,7 +3706,7 @@ ivas_error stereo_dmx_evs_init_encoder_fx(
		{
		win[n] = p_ipd_w[n * len];
		move16();
		win[input_frame_pha - n] = p_ipd_w[n * len];
		win[sub( input_frame_pha, n )] = p_ipd_w[n * len];
		move16();
		}
		win[n0] = p_ipd_w[n0 * len];