Merge branch 'main' into... (20902a34) · Commits · SA4 / Audio / IVAS BASOP

lib_com/ivas_dirac_com.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -970,7 +970,7 @@ void computeDiffuseness_fixed(

		#ifdef FIX_1072_SPEEDUP_COMPUTEDIFUSENESS
		Word16 shift_q = sub( q_tmp, q_ene );
		Word32 shiftEquiv;
		Word32 shiftEquiv = L_add( 0, 0 );
		Word16 shift_qtotal;
		if ( shift_q < 0 )
		{

lib_com/prot_fx.h

+4 −6

Original line number	Diff line number	Diff line
		@@ -3035,7 +3035,7 @@ void GenShapedSHBExcitation_fx(
		void GenShapedSHBExcitation_ivas_enc_fx(
		Word16 excSHB, / o : synthesized shaped shb excitation Q_bwe_exc*/
		const Word16 lpc_shb, / i : lpc coefficients Q12*/
		Word16 White_exc16k_FB, / o : white excitation for the Fullband extension Q_bwe_exc */
		Word16 White_exc16k_FB, / o : white excitation for the Fullband extension Q_bwe_exc_fb */
		Word32 mem_csfilt, / i/o: memory */
		Word16 mem_genSHBexc_filt_down_shb, / i/o: memory */
		Word16 state_lpc_syn, / i/o: memory */
		@@ -3060,9 +3060,7 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		Word16 n_mem2, /* i : n_mem2 scale factor to adjust 24.4/32kbps memories */
		Word16 prev_Q_bwe_syn, /* i : st_fx->prev_Q_bwe_syn */
		const Word32 bitrate,
		const Word16 prev_bfi
		#if 1 // def ADD_IVAS_TBE_CODE
		, /* i : previous frame was concealed */
		const Word16 prev_bfi,
		const Word16 element_mode, /* i : element mode */
		const Word16 flag_ACELP16k, /* i : ACELP@16kHz flag */
		Word16 nlExc16k, / i/o: NL exc for IC-BWE */
		@@ -3077,7 +3075,6 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		Word16 prev_mix_factor, / i/o: mixing factor in the previous frame */
		Word16 Env_error, / o : error in SHB residual envelope modelling*/
		Word16 Env_error_part[] /* o : per-segment error in SHB residual envelope modelling */
		#endif
		);

		void GenShapedSHBExcitation_ivas_dec_fx(
		@@ -11113,7 +11110,8 @@ void init_coder_ace_plus_ivas_fx(
		);

		void core_coder_reconfig_ivas_fx(
		Encoder_State *st );
		Encoder_State *st,
		const int32_t last_total_brate );

		void core_coder_mode_switch_ivas_fx(
		Encoder_State st, / i/o: encoder state structure */

lib_com/swb_tbe_com_fx.c

+85 −128

Original line number	Diff line number	Diff line
		@@ -2879,7 +2879,7 @@ void GenShapedSHBExcitation_fx(
		void GenShapedSHBExcitation_ivas_enc_fx(
		Word16 excSHB, / o : synthesized shaped shb excitation Q_bwe_exc*/
		const Word16 lpc_shb, / i : lpc coefficients Q12*/
		Word16 White_exc16k_FB, / o : white excitation for the Fullband extension Q_bwe_exc */
		Word16 White_exc16k_FB, / o : white excitation for the Fullband extension Q_bwe_exc_fb */
		Word32 mem_csfilt, / i/o: memory */
		Word16 mem_genSHBexc_filt_down_shb, / i/o: memory */
		Word16 state_lpc_syn, / i/o: memory */
		@@ -2903,8 +2903,8 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		const Word16 Q_shb,
		Word16 n_mem2, /* i : n_mem2 scale factor to adjust 24.4/32kbps memories */
		Word16 prev_Q_bwe_syn, /* i : st_fx->prev_Q_bwe_syn */
		const Word32 bitrate, /* i : bitrate */
		const Word16 prev_bfi, /* i : previous frame was concealed */
		const Word32 bitrate,
		const Word16 prev_bfi,
		const Word16 element_mode, /* i : element mode */
		const Word16 flag_ACELP16k, /* i : ACELP@16kHz flag */
		Word16 nlExc16k, / i/o: NL exc for IC-BWE */
		@@ -2917,8 +2917,8 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		Word16 Q_EnvSHBres_4k,
		Word32 prev_pow_exc16kWhtnd, / i/o: power of the LB excitation signal in the previous frame */
		Word16 prev_mix_factor, / i/o: mixing factor in the previous frame */
		Word16 Env_error, / o : error in SHB residual envelope modelling Q0 */
		Word16 Env_error_part[] /* o : per-segment error in SHB residual envelope modelling Q0 */
		Word16 Env_error, / o : error in SHB residual envelope modelling*/
		Word16 Env_error_part[] /* o : per-segment error in SHB residual envelope modelling */
		)
		{
		Word16 i, j, k;
		@@ -2963,13 +2963,7 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		Word32 White_exc16k_32[L_FRAME16k];
		Word16 White_exc16k_tmp[L_FRAME16k];
		Word16 prev_Q_bwe_exc_fb;
		Word16 chk1, chk2;
		chk1 = 0;
		chk2 = 0;
		move16();
		move16();

		#if 1 // def ADD_IVAS_TBE_CODE
		Word16 alpha, step, mem_csfilt_left, mem_csfilt_right, excNoisyEnvLeft[L_FRAME16k], excNoisyEnvRight[L_FRAME16k];
		Word16 cbsize;
		Word16 mix_factor, old_fact, new_fact, fact, old_scale, new_scale, step_scale;
		@@ -2984,7 +2978,7 @@ void GenShapedSHBExcitation_ivas_enc_fx(

		mix_factor = 0; /* Q15 */
		move16();
		#endif

		set16_fx( zero_mem, 0, LPC_SHB_ORDER );
		set16_fx( wht_fil_mem, 0, LPC_WHTN_ORDER );
		FOR( i = 0; i < L_FRAME32k; i = i + 2 )
		@@ -3016,11 +3010,7 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		/* i: exc16k in Q_bwe_exc */
		/* o: exc16kWhtnd in Q_bwe_exc */

		#if 1 // def ADD_IVAS_TBE_CODE
		IF( GE_32( extl_brate, SWB_TBE_2k8 ) )
		#else
		IF( GE_32( bitrate, ACELP_24k40 ) )
		#endif
		{
		temp2 = 0;
		move16();
		@@ -3041,25 +3031,21 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		/* Estimate pow1 associated with Low band nonlinear extended excitation */
		/* pow1=0.00001f */
		tmp = sub( shl( *Q_bwe_exc, 1 ), 31 );
		pow1 = L_shl_sat( 21475l /0.00001f Q31/, tmp ); /* 0.00001f in 2(Q_bwe_exc) /
		W_tmp = W_shl( 21475 /0.00001f Q31/, tmp ); /* 0.00001f in 2(Q_bwe_exc) /
		FOR( k = 0; k < L_FRAME16k; k++ )
		{
		/excTmp2[k ] = (float)(fabs(exc16kWhtnd[k]));/
		excTmp2[k] = abs_s( exc16kWhtnd[k] );
		move16();
		chk1 = s_or( chk1, exc16kWhtnd[k] );

		/* pow1 += exc16kWhtnd[k] * exc16kWhtnd[k]; */
		pow1 = L_mac0_sat( pow1, exc16kWhtnd[k], exc16kWhtnd[k] ); /* 2Q_bwe_exc /
		W_tmp = W_mac_16_16( W_tmp, exc16kWhtnd[k], exc16kWhtnd[k] ); // 2*Q_bwe_exc+1
		}
		Q_pow1 = shl( *Q_bwe_exc, 1 );
		exp = W_norm( W_tmp );
		pow1 = W_extract_h( W_shl( W_tmp, exp ) ); // 2*Q_bwe_exc+1+exp-32 = // tmp+exp
		Q_pow1 = add( tmp, exp );

		test();
		#if 1 // ADD_IVAS_TBE_CODE
		IF( flag_ACELP16k == 0 )
		#else
		IF( ( LE_32( bitrate, ACELP_13k20 ) ) && ( GE_32( bitrate, ACELP_7k20 ) ) )
		#endif
		{
		/* varEnvShape = mean_fx(voice_factors, 4); */
		/* unroll the loop */
		@@ -3105,12 +3091,8 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		test();
		test();
		test();
		#if 1 // def ADD_IVAS_TBE_CODE
		test();
		IF( EQ_16( element_mode, EVS_MONO ) && *mem_csfilt == 0 && ( ( EQ_32( bitrate, ACELP_9k60 ) ) \|\| ( EQ_32( bitrate, ACELP_16k40 ) ) \|\| ( EQ_32( bitrate, ACELP_24k40 ) ) ) )
		#else
		IF( *mem_csfilt == 0 && ( ( EQ_32( bitrate, ACELP_9k60 ) ) \|\| ( EQ_32( bitrate, ACELP_16k40 ) ) \|\| ( EQ_32( bitrate, ACELP_24k40 ) ) ) )
		#endif
		{
		/* pre-init smoothing filter to avoid energy drop outs */
		L_tmp = L_mult( excTmp2[0], 1638 );
		@@ -3137,7 +3119,7 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		*mem_csfilt = Mult_32_16( L_tmp, varEnvShape );
		move32();
		}
		#if 1 // def ADD_IVAS_TBE_CODE

		IF( MSFlag > 0 )
		{
		// varEnvShape = 0.995f;
		@@ -3196,7 +3178,6 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		}
		}
		ELSE
		#endif
		{
		/* Track the low band envelope */
		L_tmp = L_shl( mem_csfilt, sub( Q_excTmp2, Q_bwe_exc ) );
		@@ -3222,7 +3203,7 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		mem_csfilt = L_shr( L_tmp, sub( Q_excTmp2, Q_bwe_exc ) );
		move32();
		}
		#if 1 // def ADD_IVAS_TBE_CODE

		test();
		IF( EQ_32( extl_brate, SWB_TBE_1k10 ) \|\| EQ_32( extl_brate, SWB_TBE_1k75 ) )
		{
		@@ -3261,7 +3242,6 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		}
		}
		ELSE
		#endif
		{
		/* create a random excitation - Reuse exc16k memory */
		create_random_vector_fx( White_exc16k, L_FRAME, bwe_seed ); // Q5
		@@ -3282,36 +3262,32 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		/* calculate pow22 */
		/* pow22=0.00001f */
		tmp = sub( shl( sub( *Q_bwe_exc, NOISE_QADJ ), 1 ), 31 );
		Word64 sum = W_shl( 21475l /0.00001f Q31/, tmp ); /* 0.00001f in 2(Q_bwe_exc-NOISE_QADJ) */
		W_tmp = W_shl( 21475l /0.00001f Q31/, tmp ); /* 0.00001f in 2(Q_bwe_exc-NOISE_QADJ) */
		Q_White_exc16k = getScaleFactor32( White_exc16k_32, L_FRAME16k );
		FOR( k = 0; k < L_FRAME16k; k++ )
		{
		/* White_exc16k[k] = excNoisyEnv[k]; /
		White_exc16k[k] = extract_h( L_shl( White_exc16k_32[k], Q_White_exc16k ) ); // Q_excTmp2 + 6 + Q_White_exc16k - 16 ==> Q_excTmp2 + Q_White_exc16k - 10
		move16();
		chk2 = s_or( chk2, White_exc16k[k] );
		/* i: excNoisyEnv in (Q_excTmp2) */
		/* i: White_exc16k in Q6 */
		/* o: White_exc16k in (Q_bwe_exc-NOISE_QADJ) */

		/* pow22 += White_exc16k[k] * White_exc16k[k]; */
		sum = W_mac0_16_16( sum, White_exc16k[k], White_exc16k[k] ); /* 2(Q_excTmp2 + Q_White_exc16k - 10)/
		W_tmp = W_mac0_16_16( W_tmp, White_exc16k[k], White_exc16k[k] ); /* 2(Q_excTmp2 + Q_White_exc16k - 10)/
		}
		Q_pow22 = W_norm( sum );
		pow22 = W_extract_h( W_shl( sum, Q_pow22 ) ); // 2*(Q_excTmp2 + Q_White_exc16k - 10)+Q_pow22-32
		Q_pow22 = W_norm( W_tmp );
		pow22 = W_extract_h( W_shl( W_tmp, Q_pow22 ) ); // 2*(Q_excTmp2 + Q_White_exc16k - 10)+Q_pow22-32
		Q_pow22 = sub( add( Q_pow22, shl( sub( add( Q_White_exc16k, Q_excTmp2 ), 10 ), 1 ) ), 32 );
		Q_White_exc16k = add( Q_White_exc16k, sub( Q_excTmp2, 10 ) );
		}

		#if 1 // def ADD_IVAS_TBE_CODE
		flag_plosive = 0;
		move16();
		test();
		test();
		test();
		IF( GE_32( extl_brate, SWB_TBE_2k8 ) \|\| EQ_32( extl_brate, SWB_TBE_1k10 ) \|\| EQ_32( extl_brate, SWB_TBE_1k75 ) )
		#else
		IF( GE_32( bitrate, ACELP_24k40 ) )
		#endif
		{
		IF( EQ_16( vf_ind, 20 ) ) / encoder side */
		{
		@@ -3545,7 +3521,6 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		ELSE /* decoder side */
		{
		test();
		#if 1 // def ADD_IVAS_TBE_CODE
		IF( EQ_32( extl_brate, SWB_TBE_1k10 ) \|\| EQ_32( extl_brate, SWB_TBE_1k75 ) )
		{
		IF( *vf_ind == 0 )
		@@ -3563,7 +3538,6 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		}
		}
		ELSE
		#endif
		{
		/* vf_ind is an integer scale by 0.125f/
		tmp = shl( *vf_ind, ( 15 - 3 ) );
		@@ -3576,10 +3550,9 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		}
		}
		}
		#if 1 // def ADD_IVAS_TBE_CODE

		test();
		IF( NE_32( extl_brate, SWB_TBE_1k10 ) && NE_32( extl_brate, SWB_TBE_1k75 ) )
		#endif
		{
		voice_factors[0] = mult_r( voice_factors[0], tmp2 );
		move16();
		@@ -3593,103 +3566,94 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		move16();
		}
		}
		#if 1 // def ADD_IVAS_TBE_CODE
		Scale_sig( White_exc16k, L_FRAME16k, sub( *Q_bwe_exc, Q_White_exc16k ) ); // Q_bwe_exc

		test();
		IF( GE_16( element_mode, IVAS_CPE_DFT ) && nlExc16k != NULL )
		{
		/* save buffers for IC-BWE */
		// mvr2r(exc16kWhtnd, nlExc16k, L_FRAME16k);
		Copy( exc16kWhtnd, nlExc16k, L_FRAME16k );
		Copy( exc16kWhtnd, nlExc16k, L_FRAME16k ); // Q_bwe_exc
		nlExc16k_e = sub( 15, Q_bwe_exc );
		move16();

		// v_multc(White_exc16k, (float)sqrt(pow1 / pow22), mixExc16k, L_FRAME16k);
		/*Word16 temp_fac = divide3232(L_shr(pow1, Q_pow1), pow22);
		Word16 temp_fac_exp = 0;
		temp_fac = Sqrt16(temp_fac, &temp_fac_exp);*/
		L_tmp = root_a_over_b_fx( pow1, Q_pow1, pow22, Q_pow22, &exp );
		Word16 temp_fac = round_fx_sat( L_shl_sat( L_tmp, exp ) ); // Q15
		// v_multc_fixed_16_16(White_exc16k,shr(temp_fac, temp_fac_exp) , mixExc16k, L_FRAME16k);
		Word16 temp_fac = round_fx_sat( L_tmp ); // Q15-exp

		FOR( k = 0; k < L_FRAME16k; k++ )
		{
		mixExc16k[k] = mult_r( White_exc16k[k], temp_fac ); // Q_bwe_exc
		mixExc16k[k] = mult_r( White_exc16k[k], temp_fac ); // Q_White_exc16k+15-exp-15 = Q_White_exc16k-exp
		move16();
		}
		mixExc16k_e = sub( 15, Q_bwe_exc );
		*mixExc16k_e = sub( 15, sub( Q_White_exc16k, exp ) );
		move16();
		}
		#endif

		FOR( k = 0; k < L_FRAME16k; k++ )
		{
		White_exc16k_FB[k] = White_exc16k[k]; /* Q_bwe_exc */
		move16();
		}
		Copy( White_exc16k, White_exc16k_FB, L_FRAME16k ); // Q_White_exc16k
		prev_Q_bwe_exc_fb = *Q_bwe_exc_fb;
		*Q_bwe_exc_fb = Q_White_exc16k;
		move16();
		Q_bwe_exc_fb = Q_bwe_exc;
		move16();

		deemph_fx( White_exc16k, PREEMPH_FAC, L_FRAME16k, tbe_demph );
		/* i/o: White_exc16k (Q_bwe_exc) */
		/* i: tbe_demph (Q_bwe_exc) */
		Word16 tbe_demph_fx = shl_sat( tbe_demph, sub( Q_White_exc16k, Q_bwe_exc ) ); // Q_White_exc16k

		deemph_fx( White_exc16k, PREEMPH_FAC, L_FRAME16k, &tbe_demph_fx );
		/* i/o: White_exc16k (Q_White_exc16k) */
		/* i: tbe_demph_fx (Q_White_exc16k) */
		tbe_demph = shr_sat( tbe_demph_fx, sub( Q_White_exc16k, Q_bwe_exc ) );
		move16();

		#if 1 // def ADD_IVAS_TBE_CODE
		test();
		IF( EQ_32( extl_brate, SWB_TBE_1k10 ) \|\| EQ_32( extl_brate, SWB_TBE_1k75 ) )
		{
		IF( !flag_plosive ) /* use only LB excitation in case of plosives */
		{
		/* re-scale gaussian excitation at the beginning to gradually move from old energy to new energy */
		// old_scale = (float)sqrt(*prev_pow_exc16kWhtnd / pow1);
		// old_scale = divide3232(*prev_pow_exc16kWhtnd, pow1); // exp = Q15 - (Q_pow1)
		// Word16 old_scale_exp = Q15 - (Q_pow1);
		// old_scale = Sqrt16(old_scale, &old_scale_exp);
		// old_scale = shl(old_scale, old_scale_exp); //Q15
		L_tmp = root_a_over_b_fx( *prev_pow_exc16kWhtnd, 0, pow1, Q_pow1, &exp );
		IF( exp < 0 )
		{
		L_tmp = L_shl( L_tmp, exp );
		exp = 0;
		move16();
		}
		old_scale = round_fx_sat( L_tmp ); // exp
		/* old_scale = (float) sqrt( prev_pow_exc16kWhtnd / pow1 ); /
		old_scale = round_fx_sat( root_a_over_b_fx( *prev_pow_exc16kWhtnd, 0, pow1, Q_pow1, &exp ) ); // exp
		old_scale = shl( old_scale, s_min( 0, exp ) ); // limit Q factor to 15
		exp = s_max( 0, exp );

		// new_scale = 1.0f;
		new_scale = shr( 32767, exp ); // exp

		// step_scale = (new_scale - old_scale) / (L_FRAME16k / 2);
		step_scale = mult_r( sub( new_scale, old_scale ), 205 ); // exp
		scale = old_scale; // exp
		move16();

		/* interpolate between the old and the new value of the mixing factor */
		old_fact = *prev_mix_factor; // Q15
		move16();
		new_fact = mix_factor; // Q15
		move16();
		move16();

		// step = (new_fact - old_fact) / (L_FRAME16k / 2);
		step = mult_r( sub( new_fact, old_fact ), 205 ); // Q15
		fact = old_fact; // Q15
		move16();

		shift = add( exp, sub( *Q_bwe_exc, Q_White_exc16k ) );

		/* mixing of LB and gaussian excitation in the first half of the frame */
		FOR( k = 0; k < L_FRAME16k / 2; k++ )
		{
		// exc16kWhtnd[k] = (float)fact * (White_exc16k[k] * scale) + (float)(1 - fact) * exc16kWhtnd[k];
		// exc16kWhtnd[k] = add(mult_r(fact, mult(shl(White_exc16k[k], *Q_bwe_exc), scale)), mult_r(sub(32767, fact), exc16kWhtnd[k]));
		L_tmp = L_add_sat( L_shl_sat( L_mult( fact, mult_r( White_exc16k[k], scale ) ), exp ), // Q15 + Q_bwe_exc + (Q15-exp) - Q15 + exp + Q1
		L_mult( sub( 32767, fact ), exc16kWhtnd[k] ) ); // Q_bwe_exc + Q16
		exc16kWhtnd[k] = round_fx_sat( L_tmp ); // Q_bwe_exc
		/* exc16kWhtnd[k] = (float)fact * (White_exc16k[k] * scale) + (float)(1 - fact) * exc16kWhtnd[k]; */
		L_tmp = L_shl_sat( L_mult( fact, mult_r( White_exc16k[k], scale ) ), shift ); // Q_bwe_exc+16
		exc16kWhtnd[k] = mac_r_sat( L_tmp, sub( 32767, fact ), exc16kWhtnd[k] ); // Q_bwe_exc
		move16();

		fact = add_sat( fact, step ); // Q15
		scale = add_sat( scale, step_scale ); // exp
		}

		shift = sub( *Q_bwe_exc, Q_White_exc16k );
		/* mixing of LB and gaussian excitation in the second half of the frame */
		FOR( ; k < L_FRAME16k; k++ )
		{
		// exc16kWhtnd[k] = (float)new_fact * White_exc16k[k] + (float)(1 - new_fact) * exc16kWhtnd[k];
		// exc16kWhtnd[k] = add(mult_r(new_fact, shl(White_exc16k[k], *Q_bwe_exc)), mult_r(sub(32767, new_fact), exc16kWhtnd[k]));
		L_tmp = L_add( L_mult( new_fact, White_exc16k[k] ),
		mult_r( sub( 32767, new_fact ), exc16kWhtnd[k] ) ); // Q_bwe_exc + Q15 + Q1 => Q_bwe_exc + Q16
		exc16kWhtnd[k] = round_fx( L_tmp ); // Q_bwe_exc
		L_tmp = L_shl_sat( L_mult( new_fact, White_exc16k[k] ), shift ); // Q_bwe_exc+16
		exc16kWhtnd[k] = mac_r( L_tmp, sub( 32767, new_fact ), exc16kWhtnd[k] ); // Q_bwe_exc
		move16();
		}
		}
		@@ -3697,32 +3661,28 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		PREEMPH_FX( exc16kWhtnd, PREEMPH_FAC, L_FRAME16k, tbe_premph ); // Q_bwe_exc
		}
		ELSE
		#endif
		{
		#if 1 // def ADD_IVAS_TBE_CODE
		test();
		IF( EQ_16( coder_type, UNVOICED ) \|\| EQ_16( MSFlag, 1 ) )
		#else
		IF( EQ_16( coder_type, UNVOICED ) )
		#endif
		{
		L_tmp = root_a_over_b_fx( pow1, Q_pow1, pow22, Q_pow22, &exp );
		scale = 0;
		move16();

		test();
		if ( chk1 == 0 && chk2 == 0 )
		IF( pow1 != 0 && pow22 != 0 )
		{
		L_tmp = 0;
		move32();
		}
		L_tmp = root_a_over_b_fx( pow1, Q_pow1, pow22, Q_pow22, &exp );
		scale = round_fx_sat( L_shl_sat( L_tmp, exp ) ); /Q15 /
		}

		FOR( k = 0; k < L_FRAME16k; k++ )
		{
		/* White_exc16k: (Q_bwe_exc-NOISE_QADJ), scale: Q15 */
		L_tmp = L_mult( White_exc16k[k], scale ); // Q_bwe_exc + Q15 + Q1 => Q_bwe_exc + Q16
		/* L_tmp: (Q_bwe_exc-NOISE_QADJ) + 15 + 1 */
		exc16kWhtnd[k] = round_fx_sat( L_tmp ); // Q_bwe_exc
		exc16kWhtnd[k] = mult_r_sat( White_exc16k[k], scale ); // Q_White_exc16k
		move16();
		/* exc16kWhtnd: Q_bwe_exc */
		}

		Scale_sig( exc16kWhtnd, L_FRAME16k, sub( *Q_bwe_exc, Q_White_exc16k ) ); // Q_bwe_exc

		PREEMPH_FX( exc16kWhtnd, PREEMPH_FAC, L_FRAME16k, tbe_premph ); // Q_bwe_exc
		/* i/o: exc16kWhtnd (Q_bwe_exc) */
		/* i/o: tbe_premph (Q_bwe_exc) */
		@@ -3785,13 +3745,13 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		temp2 = round_fx_sat( L_shl_sat( L_tmp, exp ) ); /* Q15 whiteEnvShapedExc scale factor */
		}

		shift = sub( *Q_bwe_exc, Q_White_exc16k );
		FOR( j = 0; j < lSubFr; j++ )
		{
		/exc16kWhtnd[k+j] = temp1 exc16kWhtnd[k+j] + temp2 * White_exc16k[k+j]; */
		L_tmp = L_mult( temp2, White_exc16k[k + j] ); /* 16+(Q_bwe_exc)*/
		L_tmp = L_shl_sat( L_mult( temp2, White_exc16k[k + j] ), shift ); // 16+(Q_bwe_exc)
		exc16kWhtnd[k + j] = mac_r_sat( L_tmp, temp1, exc16kWhtnd[k + j] ); // Q_bwe_exc
		move16();
		/* Q_bwe_exc */
		}
		k = add( k, lSubFr );

		@@ -3813,11 +3773,7 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		}
		}

		#if 1 // def ADD_IVAS_TBE_CODE
		IF( LT_32( extl_brate, SWB_TBE_2k8 ) )
		#else
		IF( LT_32( bitrate, ACELP_24k40 ) )
		#endif
		{
		syn_filt_fx( 0, lpc_shb, LPC_SHB_ORDER, exc16kWhtnd, excSHB, L_FRAME16k, state_lpc_syn, 1 );
		/* i: exc16kWhtnd in Q_bwe_exc */
		@@ -3928,8 +3884,8 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		Scale_sig( fb_state_lpc_syn, LPC_SHB_ORDER, tmp );
		Scale_sig( fb_tbe_demph, 1, tmp );
		syn_filt_fx( 0, lpc_shb, LPC_SHB_ORDER, White_exc16k_FB, White_exc16k_FB_temp, L_FRAME16k, fb_state_lpc_syn, 1 );
		/* i: White_exc16k_FB in (14-n2) */
		/* o: White_exc16k_FB_temp in (14-n2) */
		/* i: White_exc16k_FB in (Q_bwe_exc_fb) */
		/* o: White_exc16k_FB_temp in (Q_bwe_exc_fb) */

		FOR( i = 0; i < 10; i++ )
		{
		@@ -3951,10 +3907,11 @@ void GenShapedSHBExcitation_ivas_enc_fx(
		set16_fx( White_exc16k_FB, 0, L_FRAME16k );
		}

		#if 1 // def ADD_IVAS_TBE_CODE
		*prev_pow_exc16kWhtnd = L_shr_sat( pow1, Q_pow1 ); // power goes above MAX_32
		*prev_mix_factor = mix_factor;
		#endif
		move32();
		move16();

		return;
		}

lib_enc/acelp_core_switch_enc_fx.c

+6 −4

Original line number	Diff line number	Diff line
		@@ -570,6 +570,7 @@ static void encod_gen_voic_core_switch_ivas_fx(
		Word16 h2[L_SUBFR + ( M + 1 )];
		Word16 dummyF[NB_SUBFR16k];
		Word16 lp_select, lp_flag;
		Word16 q_h1;
		LPD_state_HANDLE hLPDmem; /* ACELP LPDmem memories */
		BSTR_ENC_HANDLE hBstr;

		@@ -634,9 +635,8 @@ static void encod_gen_voic_core_switch_ivas_fx(
		find_targets_ivas_fx( inp, hLPDmem->mem_syn, 0, &( hLPDmem->mem_w0 ), Aq, res, L_SUBFR, Ap, TILT_FAC_FX, xn, cn, h1 );
		}

		/Scale_sig(h1, L_SUBFR, shift); / /Q14-shift /
		Copy_Scale_sig( h1, h2, L_SUBFR, -2 );
		Scale_sig( h1, L_SUBFR, add( 1, shift ) ); /* set h1[] in Q14 with scaling for convolution */
		q_h1 = sub( 14, norm_s( h1[0] ) );
		Copy_Scale_sig( h1, h2, L_SUBFR, sub( 11, q_h1 ) ); /Q11/

		/* scaling of xn[] to limit dynamic at 12 bits */
		Scale_sig( xn, L_SUBFR, shift ); /* Q_new */
		@@ -646,8 +646,9 @@ static void encod_gen_voic_core_switch_ivas_fx(
		* Adaptive exc. construction
		----------------------------------------------------------------/
		set16_fx( dummyF, -1, NB_SUBFR16k ); /* hack to signal ACELP->HQ switching frame */

		pitch = pit_encode_ivas_fx( hBstr,
		st_fx->acelp_cfg.pitch_bits, core_bitrate, 0, L_frame, GENERIC, &pitch_limit_flag, 0, exc, L_SUBFR, T_op, &T0_min, &T0_max, &T0, &T0_frac, h1, xn, 0 /hStereoTD->tdm_Pitch_reuse_flag/, dummyF /hStereoTD->tdm_Pri_pitch_buf/ ); /* Q6 */
		st_fx->acelp_cfg.pitch_bits, core_bitrate, 0, L_frame, GENERIC, &pitch_limit_flag, 0, exc, L_SUBFR, T_op, &T0_min, &T0_max, &T0, &T0_frac, h1, xn, 0 /hStereoTD->tdm_Pitch_reuse_flag/, dummyF /hStereoTD->tdm_Pri_pitch_buf/, Q_new ); /* Q6 */

		/-----------------------------------------------------------------
		* Find adaptive exitation
		@@ -666,6 +667,7 @@ static void encod_gen_voic_core_switch_ivas_fx(
		* LP filtering of the adaptive excitation, codebook target computation
		-----------------------------------------------------------------/
		lp_flag = st_fx->acelp_cfg.ltf_mode; /* Q0 */
		Scale_sig( h1, L_SUBFR, sub( 14, q_h1 ) ); /* set h1[] in Q14 with scaling for convolution Q14+shift*/
		lp_select = lp_filt_exc_enc_ivas_fx( MODE1, GENERIC, 0, exc, h1, xn, y1, xn2, L_SUBFR, L_frame, g_corr, clip_gain, &gain_pit, &lp_flag ); /* Q0 */

		IF( EQ_16( lp_flag, NORMAL_OPERATION ) )

lib_enc/analy_sp_fx.c

+23 −23

File changed.

Preview size limit exceeded, changes collapsed.