- Merge remote-tracking branch 'remotes/origin/main' into... (f1392288) · Commits · SA4 / Audio / IVAS BASOP

lib_com/gs_gains_fx.c

+64 −9

Original line number	Diff line number	Diff line
		@@ -50,7 +50,7 @@ static Word16 VDQ_vec_fx( Word16 Qvec_out_fx, const Word16 mean_dic_fx, const


		/========================================================================/
		/* FUNCTION : void Comp_and_apply_gain_enc_fx */
		/* FUNCTION : void Comp_and_apply_gain_fx */
		/------------------------------------------------------------------------/
		/* PURPOSE : Compute and apply the quantized per band gain */
		/------------------------------------------------------------------------/
		@@ -70,12 +70,19 @@ static Word16 VDQ_vec_fx( Word16 Qvec_out_fx, const Word16 mean_dic_fx, const
		/* _ None */
		/========================================================================/

		#ifdef FIX_2380_HARM_GSC_GAIN_COMP_FX
		Word16 Comp_and_apply_gain_fx(
		#else
		void Comp_and_apply_gain_fx(
		#endif
		Word16 exc_diffQ[], /* i/o: Quantized excitation */
		Word16 Ener_per_bd_iQ[], /* i : Target ener per band Q13 */
		Word16 Ener_per_bd_yQ[], /* i/o: Ener per band for norm vector i->Q13/o->Q13 */
		Word16 Mbands_gn, /* i : number of bands */
		const Word16 ReUseGain, /* i : Reuse the gain in Ener_per_bd_yQ */
		#ifdef FIX_2380_HARM_GSC_GAIN_COMP_FX
		const Word16 Flag_adj_q_exc, /* i : Flag allowing Q_exc adjustment */
		#endif
		Word16 Qexc_diff,
		Word16 Q_exc )
		{
		@@ -83,6 +90,11 @@ void Comp_and_apply_gain_fx(
		Word16 StartBin, NB_Qbins;
		Word16 y_gain;
		Word16 L16, frac, exp1, tmp_exp;
		#ifdef FIX_2380_HARM_GSC_GAIN_COMP_FX
		Word16 Q_adapt;
		Word16 Q_exc_diffQ[L_FRAME16k];
		Word32 exc_diffQ32[L_FRAME16k];
		#endif
		Word32 L32;

		/* Recreate excitation for local synthesis and decoder */
		@@ -92,6 +104,7 @@ void Comp_and_apply_gain_fx(
		move16();

		tmp_exp = add( 14, sub( Q_exc, Qexc_diff ) ); /* In case of reuse, it can be computed outside the loop*/

		FOR( i_band = 0; i_band < Mbands_gn; i_band++ )
		{
		StartBin = add( StartBin, NB_Qbins );
		@@ -126,7 +139,24 @@ void Comp_and_apply_gain_fx(
		Ener_per_bd_yQ[i_band] = shl_sat( y_gain, sub( exp1, 13 ) );
		move16(); /Q1 /
		tmp_exp = add( add( exp1, 1 ), sub( Q_exc, Qexc_diff ) );

		#ifdef FIX_2380_HARM_GSC_GAIN_COMP_FX
		IF( Flag_adj_q_exc != 0 )
		{
		FOR( i = StartBin; i < NB_Qbins + StartBin; i++ )
		{
		exc_diffQ32[i] = L_mult( exc_diffQ[i], y_gain ); /Qexc_diff+15 /
		move32();
		Q_exc_diffQ[i] = Q_exc;
		if ( exc_diffQ[i] )
		{
		Q_exc_diffQ[i] = sub( Q_exc_diffQ[i], tmp_exp );
		move16();
		}
		}
		}
		ELSE
		#endif
		{
		FOR( i = StartBin; i < NB_Qbins + StartBin; i++ )
		{
		L32 = L_mult( exc_diffQ[i], y_gain ); /Qexc_diff+15 /
		@@ -135,8 +165,29 @@ void Comp_and_apply_gain_fx(
		}
		}
		}

		}
		#ifdef FIX_2380_HARM_GSC_GAIN_COMP_FX
		Q_adapt = Q_exc;
		move16();
		test();
		IF( EQ_16( ReUseGain, 0 ) && Flag_adj_q_exc != 0 )
		{
		Word16 total_bins = add( StartBin, NB_Qbins );
		move16();
		FOR( i = 0; i < total_bins; i++ )
		{
		Q_adapt = s_min( Q_adapt, add( Q_exc_diffQ[i], norm_l( exc_diffQ32[i] ) ) );
		move16();
		}
		FOR( i = 0; i < total_bins; i++ )
		{
		exc_diffQ[i] = round_fx( L_shl( exc_diffQ32[i], sub( Q_adapt, Q_exc_diffQ[i] ) ) ); /Q_exc/
		}
		}
		return Q_adapt;
		#else
		return;
		#endif
		}
		#ifndef FIX_2338_HARM_GSC_GAIN_COMP

		@@ -422,7 +473,7 @@ static void GSC_gain_adj(
		}
		ELSE
		{
		Gain_off = 0;
		Gain_off = 0; /* For higher bitrate, thus for L_frame == L_FRAME16k as well */
		move16();

		test();
		@@ -460,7 +511,11 @@ static void GSC_gain_adj(
		}

		/mimic ACELP decay of energy for low rates/
		#ifndef FIX_2406_FIX_GAIN_ON_INACTIVE
		FOR( i = 0; i < MBANDS_GN; i++ )
		#else
		FOR( i = 0; i < Mbands_gn; i++ )
		#endif
		{
		old_y_gain[i] = y_gain_tmp[i];
		move16();
		@@ -475,7 +530,7 @@ static void GSC_gain_adj(


		/==========================================================================/
		/* FUNCTION : Word16 gsc_gaindec_ivas_fx() */
		/* FUNCTION : Word16 gsc_gaindec_fx() */
		/--------------------------------------------------------------------------/
		/* PURPOSE : Generic signal frequency band decoding and application */
		/--------------------------------------------------------------------------/

lib_com/gs_noisefill_fx.c

+31 −3

Original line number	Diff line number	Diff line
		@@ -1069,6 +1069,9 @@ void highband_exc_dct_in_ivas_fx(
		Word16 frac, exp, tmp1;
		Word16 tmp2;
		Word16 *end, Q_hb_exc;
		#ifdef FIX_2380_HARM_GSC_GAIN_COMP_FX
		Word16 Flag_adj_q_exc, old_Q_exc;
		#endif

		FOR( j = 10; j < MBANDS_GN; j++ )
		{
		@@ -1340,10 +1343,9 @@ void highband_exc_dct_in_ivas_fx(
		move16();
		}
		}
		#ifndef FIX_2338_HARM_GSC_GAIN_COMP
		#if !defined FIX_2338_HARM_GSC_GAIN_COMP && !defined FIX_2380_HARM_GSC_GAIN_COMP_FX
		IF( EQ_16( element_mode, EVS_MONO ) )
		{
		#endif
		Comp_and_apply_gain_fx( exc_diffQ, Ener_per_bd_iQ, Ener_per_bd_yQ, last_bin, 0, Qexc_diffQ, *Q_exc );

		IF( exc_wo_nf != NULL )
		@@ -1351,7 +1353,6 @@ void highband_exc_dct_in_ivas_fx(
		Comp_and_apply_gain_fx( exc_wo_nf, Ener_per_bd_iQ, Ener_per_bd_yQ, last_bin, 1, Qexc_diffQ, *Q_exc );
		Vr_add( exc_dct_in, exc_wo_nf, exc_wo_nf, L_frame );
		}
		#ifndef FIX_2338_HARM_GSC_GAIN_COMP
		}
		ELSE
		{
		@@ -1382,7 +1383,34 @@ void highband_exc_dct_in_ivas_fx(
		Scale_sig( exc_dct_in, L_frame, sub( *Q_exc, Q_old ) );
		}
		}
		#elif defined FIX_2380_HARM_GSC_GAIN_COMP_FX
		Flag_adj_q_exc = 0;
		move16();
		IF( NE_16( element_mode, EVS_MONO ) && lt_ener_per_band_fx != NULL ) /* to keep all EVS BE */
		{
		Flag_adj_q_exc = 1;
		move16();
		}
		old_Q_exc = *Q_exc;
		move16();
		Q_exc = Comp_and_apply_gain_fx( exc_diffQ, Ener_per_bd_iQ, Ener_per_bd_yQ, last_bin, 0, Flag_adj_q_exc, Qexc_diffQ, Q_exc );
		Scale_sig( exc_dct_in, L_frame, sub( *Q_exc, old_Q_exc ) );

		IF( exc_wo_nf != NULL )
		{
		Comp_and_apply_gain_fx( exc_wo_nf, Ener_per_bd_iQ, Ener_per_bd_yQ, last_bin, 1, Flag_adj_q_exc, Qexc_diffQ, *Q_exc );
		Vr_add( exc_dct_in, exc_wo_nf, exc_wo_nf, L_frame );
		}
		#else /* #if defined FIX_2338_HARM_GSC_GAIN_COMP */
		Comp_and_apply_gain_fx( exc_diffQ, Ener_per_bd_iQ, Ener_per_bd_yQ, last_bin, 0, Qexc_diffQ, *Q_exc );

		IF( exc_wo_nf != NULL )
		{
		Comp_and_apply_gain_fx( exc_wo_nf, Ener_per_bd_iQ, Ener_per_bd_yQ, last_bin, 1, Qexc_diffQ, *Q_exc );
		Vr_add( exc_dct_in, exc_wo_nf, exc_wo_nf, L_frame );
		}
		#endif

		/--------------------------------------------------------------------------------------
		* add the correction layer to the LF bins,
		* and add the quantized pulses or the noise for the higher part of the spectrum

lib_com/ivas_prot_fx.h

+12 −0

Original line number	Diff line number	Diff line
		@@ -1587,8 +1587,12 @@ void ivas_hq_core_dec_fx(
		const Word16 output_frame, /* i : output frame length */
		const Word16 hq_core_type, /* i : HQ core type */
		const Word16 core_switching_flag, /* i : ACELP->HQ switching frame flag */
		#ifdef FIX_2280_REDUCTION_UNNECESSARY_SCALING
		Word32 output_32_fx / o : synthesis @internal_Fs, Q11 */
		#else
		Word16 output[],
		Word16 *Q_output
		#endif
		);

		#ifndef HARMONIZE_TBE
		@@ -1890,7 +1894,11 @@ void GenShapedWBExcitation_ivas_fx(
		/* o : Q_syn_hb*/
		Word16 ivas_wb_bwe_dec_fx(
		Decoder_State st_fx, / i/o: decoder state structure */
		#ifdef FIX_2280_REDUCTION_UNNECESSARY_SCALING
		Word32 output_fx32[], /* o : synthesis @internal Fs Q11*/
		#else
		const Word16 output[], /* i : suntehsis @ internal Fs Q_input */
		#endif
		Word16 synth_fx, / i/o: ACELP core synthesis/final synthesis Q0/Qpost */
		Word16 hb_synth_fx, / o : SHB synthesis/final synthesis Q_syn_hb */
		const Word16 use_cldfb_for_dft, /* i : flag to use of CLDFB for DFT Stereo */
		@@ -2088,7 +2096,11 @@ void ivas_buffer_deinterleaved_to_interleaved_fx(
		void stereo_tcx_core_dec_fx(
		Decoder_State st, / i/o: decoder state structure */
		const FRAME_MODE frameMode, /* i : Decoder frame mode */
		#ifdef FIX_2280_REDUCTION_UNNECESSARY_SCALING
		Word32 signal_out_32_fx, / o : synthesis @internal_Fs, Q11 */
		#else
		Word16 signal_out, / o : synthesis @internal_Fs, Q0 */
		#endif
		Word16 signal_outFB, / o : synthesis @output_Fs, Q0 */
		Word16 pitch_buf[], /* o : floating pitch for each subframe, Q6 */
		const Word16 sba_dirac_stereo_flag, /* i : signal stereo output for SBA DirAC */

lib_com/options.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -87,6 +87,10 @@
		#define FIX_2397_COPY_AQ_MDCT_CORE_BFI /* FhG: prevent copying of uninit memory in MDCT stereo core if bfi is set */
		#define HARMONIZE_TBE /* VA: harmonize core-coder TBE function duplications */
		#define FIX_2405_HARM_SMC_INIT /* VA, basop 2405, harmonisation of SMC init */
		#define FIX_2280_REDUCTION_UNNECESSARY_SCALING /* VA: reduction of unnecessary scaling */
		#define FIX_2280_REDUCTION_UNNECESSARY_SCALING_NONBE /* VA: reduction of unnecessary scaling, non-BE part */
		#define FIX_2403_COMBINE_PITCH_OL /* VA : basop 2403, reusing common code between EVS and IVAS in pitch_ol */
		#define HARMONIZE_ACELP_ENC /* VA: basop issue 2400: Remove duplicated main ACELP encoder function */
		#define FIX_2404_HARM_SIGNAL_CLAS /* VA: basop-2404, harmonize signal_clas and signa_ivas_clas */

		/* #################### End BE switches ################################## */
		@@ -99,6 +103,8 @@
		#define FIX_BASOP_2361_OTR /* FhG: Basop issue 2361: Orientation tracking tests for equivalent rotations fail */
		#define FIX_2396_CONSTANT_STRIDE_IN_TC_BUFFER /* FhG/VA: basop issue 2396: keep TC channel pointers in one constant place during decoding and rendering */
		#define FIX_2408_FD_BWE_UPDATE /* VA: basop issue 2408: bug-fix in the FD BWE memory updates in wb_pre_proc_ivas_fx() */
		#define FIX_2380_HARM_GSC_GAIN_COMP_FX /* VA: basop issue 2380 & 2381: Fix issue when switching from CNG low energy to active content with high energy */
		#define FIX_2406_FIX_GAIN_ON_INACTIVE /* VA: basop issue 2406: gain between 6.4 and 8kHz was too weak during inactive content with Fs=16kHz */

		/* ##################### End NON-BE switches ########################### */

lib_com/prot_fx.h

+49 −16

Original line number	Diff line number	Diff line
		@@ -1703,14 +1703,22 @@ void Ener_per_band_comp_ivas_fx(
		const Word16 L_frame /* i : frame length */
		);

		#ifdef FIX_2380_HARM_GSC_GAIN_COMP_FX
		Word16 Comp_and_apply_gain_fx(
		#else
		void Comp_and_apply_gain_fx(
		#endif
		Word16 exc_diffQ[], /* i/o: Quantized excitation */
		Word16 Ener_per_bd_iQ[], /* i : Target ener per band Q13 */
		Word16 Ener_per_bd_yQ[], /* i/o: Ener per band for norm vector i->Q13/o->Q13 */
		Word16 Mbands_gn, /* i : number of bands */
		const Word16 ReUseGain, /* i : Reuse the gain in Ener_per_bd_yQ */
		#ifdef FIX_2380_HARM_GSC_GAIN_COMP_FX
		const Word16 Flag_adj_q_exc, /* i : Ener_per_bd_iQ of lt_ener_per_band_fx */
		#endif
		Word16 Qexc_diff,
		Word16 Q_exc );

		#ifndef FIX_2338_HARM_GSC_GAIN_COMP
		void Comp_and_apply_gain_ivas_fx(
		Word16 exc_diffQ[], /* i/o: Quantized excitation */
		@@ -7574,8 +7582,13 @@ ivas_error core_switching_pre_dec_fx(
		ivas_error core_switching_post_dec_fx(
		Decoder_State st_fx, / i/o: decoder state structure */
		Word16 synth, / i/o: output synthesis Qsynth*/
		#ifdef FIX_2280_REDUCTION_UNNECESSARY_SCALING
		Word32 output_fx, / i/o: LB synth/upsampled LB synth Q11*/
		Word32 output_mem_fx32[], /* i : OLA memory from last TCX/HQ frame Qx*/
		#else
		Word32 output_fx, / i/o: LB synth/upsampled LB synth Q4*/
		Word16 output_mem_fx[], /* i : OLA memory from last TCX/HQ frame Qx*/
		#endif
		const Word16 use_cldfb_for_dft, /* i : flag to use of CLDFB for DFT Stereo Q0*/
		const Word16 output_frame, /* i : frame length Q0*/
		const Word16 core_switching_flag, /* i : ACELP->HQ switching flag Q0*/
		@@ -10110,9 +10123,17 @@ Word16 swb_bwe_dec_fx32(

		ivas_error acelp_core_dec_fx(
		Decoder_State st, / i/o: decoder state structure */
		#ifdef FIX_2280_REDUCTION_UNNECESSARY_SCALING
		Word32 output_fx32[], /* o : synthesis @internal Fs Q11*/
		#else
		Word16 output_fx[], /* o : synthesis @internal Fs */
		#endif
		Word16 synth_fx16[], /* o : synthesis */
		#ifdef FIX_2280_REDUCTION_UNNECESSARY_SCALING
		Word32 save_hb_synth_fx32[], /* o : HB synthesis Q0*/
		#else
		Word16 save_hb_synth_fx16[], /* o : HB synthesis */
		#endif
		Word32 bwe_exc_extended_fx[], /* i/o: bandwidth extended excitation */
		Word16 voice_factors_fx, / o : voicing factors */
		Word16 old_syn_12k8_16k_fx[], /* o : intermediate ACELP synthesis at 12.8kHz or 16kHz to be used by SWB BWE */
		@@ -10846,7 +10867,11 @@ ivas_error init_encoder_fx(
		const Word32 element_brate /* i : element bitrate */
		);

		#ifdef HARMONIZE_ACELP_ENC
		ivas_error acelp_core_enc_fx(
		#else
		ivas_error acelp_core_enc_ivas_fx(
		#endif
		Encoder_State st, / i/o: encoder state structure */
		const Word16 inp[], /* i : input signal of the current frame Q_new*/
		Word16 A[NB_SUBFR16k * ( M + 1 )], /* i : A(z) unquantized for the 4 subframes Q12*/
		@@ -10859,12 +10884,20 @@ ivas_error acelp_core_enc_ivas_fx(
		Word32 bwe_exc_extended_fx[], /* i/o: bandwidth extended excitation st->prev_Q_bwe_exc*/
		Word16 voice_factors_fx, / o : voicing factors Q15*/
		Word16 old_syn_12k8_16k[], /* o : intermediate ACELP synthesis at 12.8kHz or 16kHz to be used by SWB BWE q_old_syn_12k8_16*/
		Word16 *q_old_syn_12k8_16,
		#ifndef HARMONIZE_ACELP_ENC
		Word16 q_old_syn_12k8_16, / o : Q factor of old_syn_12k8_16k[] */
		#endif
		Word16 pitch_buf[NB_SUBFR16k], /* o : floating pitch for each subframe Q6*/
		Word16 unbits, / o : number of unused bits Q0*/
		STEREO_TD_ENC_DATA_HANDLE hStereoTD, /* i/o: TD stereo encoder handle */
		Word16 tdm_lsfQ_PCh[M], /* i : Q LSFs for primary channel X2.56*/
		const Word16 Q_new );
		#ifdef HARMONIZE_ACELP_ENC
		const Word16 Q_new, /* i : Scaling factor */
		const Word16 shift /* i : Shift need to obtain 12 bits vectors */
		#else
		const Word16 Q_new
		#endif
		);

		void flip_and_downmix_generic_fx32(
		Word32 input[], /* i : input spectrum Qx*/

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