fix (e5185f1c) · Commits · SA4 / Audio / IVAS BASOP

lib_dec/ivas_spar_decoder_fx.c

+15 −7

Original line number	Diff line number	Diff line
		@@ -808,6 +808,7 @@ void ivas_spar_get_cldfb_gains_fx(
		tgt_fx[sample] = L_shl( Mpy_32_32( tgt_fx[sample], L_add( T_fx[sample][0], L_add( T_fx[sample][1], T_fx[sample][2] ) ) ), 10 ); /Q31/
		move32();
		}

		/* compute matrices */
		FOR( slot_row = 0; slot_row < num_cf_slots; slot_row++ )
		{
		@@ -842,6 +843,7 @@ void ivas_spar_get_cldfb_gains_fx(
		Word16 output_q = 27;
		move16();
		matrix_inverse_fx( Tt_T_fx, Tt_T_inv_fx, num_cf_slots, &output_q );

		/* compute the optimal coefficients */
		FOR( slot_row = 0; slot_row < num_cf_slots; slot_row++ )
		{
		@@ -862,6 +864,8 @@ void ivas_spar_get_cldfb_gains_fx(

		return;
		}


		Word16 ivas_is_res_channel(
		const Word16 ch, /* i : ch index in WYZX ordering Q0*/
		const Word16 nchan_transport /* i : number of transport channels (1-4) Q0*/
		@@ -1190,8 +1194,6 @@ void ivas_spar_get_parameters_fx(
		}
		ELSE
		{


		FOR( spar_band = 0; spar_band < num_spar_bands; spar_band++ )
		{
		FOR( in_ch = 0; in_ch < num_ch_in; in_ch++ )
		@@ -1220,6 +1222,7 @@ void ivas_spar_get_parameters_fx(
		}
		}
		}

		return;
		}

		@@ -1316,8 +1319,10 @@ static void ivas_spar_calc_smooth_facs_fx(
		Word32 smooth_short_avg_fx[IVAS_MAX_NUM_BANDS];
		Word32 L_temp;
		Word16 exp_tmp, q_tmp;

		bin = 0;
		move16();

		FOR( b = 0; b < nbands_spar; b++ )
		{
		test();
		@@ -1640,7 +1645,6 @@ void ivas_spar_dec_digest_tc_fx(

		IF( hSpar->hTdDecorr )
		{

		ivas_td_decorr_process_fx( hSpar->hTdDecorr, p_tc, pPcm_tmp, nSamplesToDecorr );
		st_ivas->hTcBuffer->q_tc_fx = s_min( st_ivas->hTcBuffer->q_tc_fx, q_format );
		move16();
		@@ -1719,6 +1723,7 @@ void ivas_spar_dec_upmixer_sf_fx(
		Word16 q1 = 30;
		Word16 prod;
		move16();

		push_wmops( "ivas_spar_dec_upmixer_sf_fx" );
		hSpar = st_ivas->hSpar;
		hDecoderConfig = st_ivas->hDecoderConfig;
		@@ -1770,7 +1775,6 @@ void ivas_spar_dec_upmixer_sf_fx(
		}
		}


		/---------------------------------------------------------------------
		* TD Decorr and pcm ingest
		---------------------------------------------------------------------/
		@@ -1793,12 +1797,16 @@ void ivas_spar_dec_upmixer_sf_fx(
		hSpar->hFbMixer->fb_cfg->num_in_chans = num_in_ingest; /Q0/
		move16();


		/---------------------------------------------------------------------
		* Prepare CLDFB buffers
		---------------------------------------------------------------------/

		#ifdef FIX_1319_STACK_SBA_DECODER
		set_zero_fx( &Pcm_tmp_fx[0][0], HOA3_CHANNELS * 2 * L_FRAME48k / MAX_PARAM_SPATIAL_SUBFRAMES );
		#else
		set_zero_fx( &Pcm_tmp_fx[0][0], ( MAX_OUTPUT_CHANNELS + MAX_NUM_OBJECTS ) * L_FRAME48k );
		#endif

		/* set-up pointers */
		IF( NE_32( hDecoderConfig->output_config, IVAS_AUDIO_CONFIG_FOA ) )
		{
		@@ -1842,7 +1850,6 @@ void ivas_spar_dec_upmixer_sf_fx(
		numch_out_dirac = hDecoderConfig->nchan_out;
		move16();


		/* CLDFB analysis of incoming frame */
		FOR( in_ch = 0; in_ch < numch_in; in_ch++ )
		{
		@@ -1908,6 +1915,7 @@ void ivas_spar_dec_upmixer_sf_fx(
		}
		}
		}

		/* Note: This version splits the cldfb band loop into 2 loops, removing some inner-loop IF_statements */
		Word16 min_cldf_band = s_min( CLDFB_PAR_WEIGHT_START_BAND, num_cldfb_bands );
		Word32 out_re_fx[IVAS_SPAR_MAX_CH];
		@@ -1949,7 +1957,6 @@ void ivas_spar_dec_upmixer_sf_fx(
		}
		}


		/* Second loop from min_cldf_band (CLDFB_PAR_WEIGHT_START_BAND) till num_cldfb_bands */
		FOR( ; cldfb_band < num_cldfb_bands; cldfb_band++ )
		{
		@@ -1989,6 +1996,7 @@ void ivas_spar_dec_upmixer_sf_fx(
		move32();
		}
		}

		test();
		IF( ( EQ_16( ( add( add( slot_idx_start, ts ), 1 ) ), hSpar->num_slots ) ) \|\| ( NE_16( ( shr( md_idx, 2 ) /* md_idx / JBM_CLDFB_SLOTS_IN_SUBFRAME / ), ( hSpar->render_to_md_map[( ( slot_idx_start + ts ) + 1 )] / JBM_CLDFB_SLOTS_IN_SUBFRAME /It's value is 4*/ ) ) ) )
		{

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