Accept NONBE_FIX_2575 (0c970c8f) · Commits · SA4 / Audio / IVAS BASOP

lib_com/options.h

+0 −1

Original line number	Diff line number	Diff line
		@@ -100,7 +100,6 @@

		#define FIX_1576_LCLD_CRASH_DIFFERENT_CODEC_ISAR_FRAME_SIZE /* Dolby: float issue 1576: fix for crash in LCLD mode when codec frame size is less than isar frame size */
		#define NONBE_FIX_ISSUE_2206_MDCT_STEREO_FIX_2549 /* FhG: Correct scale inconsistency of old_inp_16k_fx buffer scale. */
		#define NONBE_FIX_2575 /* Fhg: Fix issue 2575, precision loss in FD CNG */
		#define FIX_2584_TD_SM_ISSUE /* VA: Fix inconsistencies in the SM part of the TD stereo */
		#define FIX_2556_ALIGN_CONDITIONS /* VA: Fix different conditions that were not exact between float and fix, BE on self-test */
		#define FIX_2585_BIT_ALLOCATION_DIFF /* VA : issue 2585, bit allocation different behaviors between float and fixed-point for corner cases */

lib_dec/acelp_core_dec_fx.c

+0 −15

Original line number	Diff line number	Diff line
		@@ -686,21 +686,6 @@ ivas_error acelp_core_dec_fx(
		move32();
		}

		#ifndef NONBE_FIX_2575
		ApplyFdCng_fx( psyn_fx, st->Q_syn, NULL, 0, realBuffer_fx, imagBuffer_fx, NULL, st, 0, ( st->coder_type == AUDIO && !st->GSC_noisy_speech ) );

		Word16 new_sidNoiseEstExp = 31 - Q4;
		move16();
		Scale_sig32( st->hFdCngDec->hFdCngCom->sidNoiseEstLp, NPART, sub( st->hFdCngDec->hFdCngCom->sidNoiseEstExp, new_sidNoiseEstExp ) ); // Q(31-sidNoiseEstExp)
		Scale_sig32( st->hFdCngDec->hFdCngCom->sidNoiseEst, NPART, sub( st->hFdCngDec->hFdCngCom->sidNoiseEstExp, new_sidNoiseEstExp ) ); // Q(31-sidNoiseEstExp)
		st->hFdCngDec->hFdCngCom->sidNoiseEstExp = new_sidNoiseEstExp;
		move16();
		Word16 new_cngNoiseLevelExp = 31 - Q4;
		move16();
		Scale_sig32( st->hFdCngDec->hFdCngCom->cngNoiseLevel, FFTCLDFBLEN, sub( st->hFdCngDec->hFdCngCom->cngNoiseLevelExp, new_cngNoiseLevelExp ) ); // Q(31-cngNoiseLevelExp)
		st->hFdCngDec->hFdCngCom->cngNoiseLevelExp = new_cngNoiseLevelExp;
		move16();
		#endif
		test();
		ApplyFdCng_fx( psyn_fx, st->Q_syn, NULL, 0, realBuffer_fx, imagBuffer_fx, NULL, st, 0, ( EQ_16( st->coder_type, AUDIO ) && !st->GSC_noisy_speech ) );

lib_dec/ivas_stereo_cng_dec_fx.c

+0 −42

Original line number	Diff line number	Diff line
		@@ -118,11 +118,7 @@ static void stereo_dft_generate_comfort_noise_fx(
		Word16 trigo_step;
		Word32 tmp32_1, tmp32_2;
		Word16 q_div, q_sqrt1, q_sqrt2, q_sqrt, sqrt_res;
		#ifdef NONBE_FIX_2575
		Word16 q_shift;
		#else
		Word16 q_shift, q_shift_1, q_shift_2, min_q;
		#endif
		Word16 tmp16, tmp_p, tmp_s;
		hFdCngCom = st->hFdCngDec->hFdCngCom;

		@@ -798,37 +794,18 @@ static void stereo_dft_generate_comfort_noise_fx(
		IF( ( chan == 0 ) && LE_32( st->core_brate, SID_2k40 ) )
		{
		/* update smoothed periodogram used by stereo CNA in SID and NO_DATA frames from cngNoiseLevel_flt */
		#ifdef NONBE_FIX_2575
		Word16 smoothed_psd_exp[L_FRAME16k], smoothed_psd_exp_max = MIN_16;
		move16();

		#else
		q_shift_1 = L_norm_arr( st->hFdCngDec->smoothed_psd_fx, L_FRAME16k );
		q_shift_2 = L_norm_arr( hFdCngCom->cngNoiseLevel, FFTCLDFBLEN );

		min_q = sub( s_min( add( q_shift_1, sub( Q31, st->hFdCngDec->smoothed_psd_exp ) ), add( q_shift_2, sub( Q31, hFdCngCom->cngNoiseLevelExp ) ) ), 1 /* Guard bit */ );

		scale_sig32( st->hFdCngDec->smoothed_psd_fx, L_FRAME16k, sub( min_q, sub( Q31, st->hFdCngDec->smoothed_psd_exp ) ) ); /* Q31 - st->hFdCngDec->smoothed_psd_exp */
		st->hFdCngDec->smoothed_psd_exp = sub( Q31, min_q );
		move16();
		scale_sig32( hFdCngCom->cngNoiseLevel, FFTCLDFBLEN, sub( min_q, sub( Q31, hFdCngCom->cngNoiseLevelExp ) ) ); /* Q31 - hFdCngCom->cngNoiseLevelExp */
		hFdCngCom->cngNoiseLevelExp = st->hFdCngDec->smoothed_psd_exp;
		move16();
		#endif

		FOR( i = hFdCngCom->startBand; i < hFdCngCom->stopFFTbin; i++ )
		{
		#ifdef NONBE_FIX_2575
		Word16 ftmp_exp;

		ftmp = hFdCngCom->cngNoiseLevel[i - hFdCngCom->startBand];
		move32();
		ftmp_exp = hFdCngCom->cngNoiseLevelExp;
		move16();
		#else
		ftmp = hFdCngCom->cngNoiseLevel[i - hFdCngCom->startBand];
		move32();
		#endif
		IF( !st->hFdCngDec->first_cna_noise_updated )
		{
		/* very first update */
		@@ -841,28 +818,15 @@ static void stereo_dft_generate_comfort_noise_fx(
		move16();

		test();
		#ifdef NONBE_FIX_2575
		IF( ( st->hFdCngDec->smoothed_psd_fx[i] > 0 ) && EQ_16( BASOP_Util_Cmp_Mant32Exp( Mpy_32_16_1( ftmp, (Word16) 0x3333 ), ftmp_exp, st->hFdCngDec->smoothed_psd_fx[i], st->hFdCngDec->smoothed_psd_exp ), 1 ) )
		#else
		IF( ( st->hFdCngDec->smoothed_psd_fx[i] > 0 ) && GT_32( Mpy_32_16_1( ftmp, (Word16) 0x3333 ), st->hFdCngDec->smoothed_psd_fx[i] ) )
		#endif
		{
		/* prevent abrupt upward update steps */
		#ifdef NONBE_FIX_2575
		ftmp = L_add( L_shr( st->hFdCngDec->smoothed_psd_fx[i], 2 - 1 ), L_shr( st->hFdCngDec->smoothed_psd_fx[i], 2 + 1 ) ); /* ftmp_exp */
		move16();
		ftmp_exp = add( st->hFdCngDec->smoothed_psd_exp, 2 );
		move16();
		#else
		ftmp = L_add( L_shl( st->hFdCngDec->smoothed_psd_fx[i], 1 ), L_shr( st->hFdCngDec->smoothed_psd_fx[i], 1 ) ); /* st->hFdCngDec->smoothed_psd_exp */
		move16();
		#endif
		}
		#ifdef NONBE_FIX_2575
		ELSE IF( EQ_16( BASOP_Util_Cmp_Mant32Exp( ftmp, ftmp_exp, st->hFdCngDec->smoothed_psd_fx[i], st->hFdCngDec->smoothed_psd_exp ), -1 ) )
		#else
		ELSE IF( LT_32( ftmp, st->hFdCngDec->smoothed_psd_fx[i] ) )
		#endif
		{
		/* faster downward updates */
		alpha = (Word16) ( 0x599A );
		@@ -871,16 +835,11 @@ static void stereo_dft_generate_comfort_noise_fx(
		}

		/* smoothing */
		#ifdef NONBE_FIX_2575
		st->hFdCngDec->smoothed_psd_fx[i] = BASOP_Util_Add_Mant32Exp( Mpy_32_16_1( st->hFdCngDec->smoothed_psd_fx[i], alpha ), st->hFdCngDec->smoothed_psd_exp, Mpy_32_16_1( ftmp, sub( MAX_16, alpha ) ), ftmp_exp, &smoothed_psd_exp[i] ); /* smoothed_psd_exp[i] */
		smoothed_psd_exp_max = s_max( smoothed_psd_exp_max, smoothed_psd_exp[i] );
		#else
		st->hFdCngDec->smoothed_psd_fx[i] = L_add( Mpy_32_16_1( st->hFdCngDec->smoothed_psd_fx[i], alpha ), Mpy_32_16_1( ftmp, sub( MAX_16, alpha ) ) ); /* st->hFdCngDec->smoothed_psd_exp */
		#endif
		move32();
		}

		#ifdef NONBE_FIX_2575
		/* Find common exponent for smoothed_psd_fx[] */
		FOR( i = hFdCngCom->startBand; i < hFdCngCom->stopFFTbin; i++ )
		{
		@@ -888,7 +847,6 @@ static void stereo_dft_generate_comfort_noise_fx(
		}
		st->hFdCngDec->smoothed_psd_exp = smoothed_psd_exp_max;
		move16();
		#endif

		/* update msNoiseEst in SID and NO_DATA frames */
		bandcombinepow( &st->hFdCngDec->smoothed_psd_fx[hFdCngCom->startBand], st->hFdCngDec->smoothed_psd_exp, sub( hFdCngCom->stopFFTbin, hFdCngCom->startBand ), st->hFdCngDec->part_shaping, st->hFdCngDec->nFFTpart_shaping, st->hFdCngDec->psize_inv_shaping, st->hFdCngDec->msNoiseEst, &st->hFdCngDec->msNoiseEst_exp );