Merge branch 'ltv_Crash_fixes_float_code_cleanup_1' into 'main' (d37854b4) · Commits · SA4 / Audio / IVAS BASOP

lib_com/ivas_prot.h

+49 −12

Original line number	Diff line number	Diff line
		@@ -274,6 +274,7 @@ ivas_error pre_proc_front_ivas_fx(
		const Word16 MCT_flag, /* i : hMCT handle allocated (1) or not (0) */
		const Word32 ivas_total_brate /* i : IVAS total bitrate - for setting the DTX */
		);
		#ifdef IVAS_FLOAT_FIXED
		ivas_error pre_proc_ivas(
		Encoder_State st, / i/o: encoder state structure */
		const int16_t last_element_mode, /* i : last element mode */
		@@ -285,11 +286,11 @@ ivas_error pre_proc_ivas(
		float old_inp_16k[], /* i/o: buffer of old input signal @ 16kHz */
		float *inp, / o : ptr. to inp. signal in the current frame*/
		float ener, / o : residual energy from Levinson-Durbin */
		float A[NB_SUBFR16k * ( M + 1 )], /* i/o: A(z) unquantized for the 4 subframes */
		float Aw[NB_SUBFR16k * ( M + 1 )], /* i/o: weighted A(z) unquantized for subframes */
		Word16 A[NB_SUBFR16k * ( M + 1 )], /* i/o: A(z) unquantized for the 4 subframes */
		Word16 Aw[NB_SUBFR16k * ( M + 1 )], /* i/o: weighted A(z) unquantized for subframes */
		float epsP[M + 1], /* i/o: LP prediction errors */
		float lsp_new[M], /* i/o: LSPs at the end of the frame */
		float lsp_mid[M], /* i/o: LSPs in the middle of the frame */
		Word16 lsp_new[M], /* i/o: LSPs at the end of the frame */
		Word16 lsp_mid[M], /* i/o: LSPs in the middle of the frame */
		float new_inp_resamp16k, / o : new input signal @16kHz, non pre-emphasised, used by the WB TBE/BWE */
		int16_t Voicing_flag, / o : voicing flag for HQ FEC */
		float old_wsp[], /* i : weighted input signal buffer */
		@@ -310,12 +311,39 @@ ivas_error pre_proc_ivas(
		Word32 enerBuffer_fx[CLDFB_NO_CHANNELS_MAX],
		Word16 e_enerBuffer,
		Word16 fft_buff_fx[2 * L_FFT],
		Word32 cor_map_sum_fx,
		Word16 exp_cor_map_sum,
		Word16 cor_map_sum_fx, //Q8
		Word16 *Q_new
		#endif
		);

		#else
		ivas_error pre_proc_ivas(
		Encoder_State st, / i/o: encoder state structure */
		const int16_t last_element_mode, /* i : last element mode */
		const int32_t element_brate, /* i : element bitrate */
		const int32_t last_element_brate, /* i : last element bitrate */
		const int16_t input_frame, /* i : frame length */
		float old_inp_12k8[], /* i/o: buffer of old input signal */
		float old_inp_16k[], /* i/o: buffer of old input signal @ 16kHz */
		float *inp, / o : ptr. to inp. signal in the current frame*/
		float ener, / o : residual energy from Levinson-Durbin */
		float A[NB_SUBFR16k * ( M + 1 )], /* i/o: A(z) unquantized for the 4 subframes */
		float Aw[NB_SUBFR16k * ( M + 1 )], /* i/o: weighted A(z) unquantized for subframes */
		float epsP[M + 1], /* i/o: LP prediction errors */
		float lsp_new[M], /* i/o: LSPs at the end of the frame */
		float lsp_mid[M], /* i/o: LSPs in the middle of the frame */
		float new_inp_resamp16k, / o : new input signal @16kHz, non pre-emphasised, used by the WB TBE/BWE */
		int16_t Voicing_flag, / o : voicing flag for HQ FEC */
		const float old_wsp[], /* i : weighted input signal buffer */
		const int16_t loc_harm, /* i : harmonicity flag */
		const float cor_map_sum, /* i : speech/music clasif. parameter */
		const int16_t vad_flag_dtx, /* i : HE-SAD flag with additional DTX HO */
		const float enerBuffer[CLDFB_NO_CHANNELS_MAX], /* i : energy buffer */
		const float fft_buff[2 * L_FFT], /* i : FFT buffer */
		const int16_t MCT_flag, /* i : hMCT handle allocated (1) or not (0) */
		const int16_t vad_hover_flag, /* i : VAD hangover flag */
		const int16_t flag_16k_smc /* i : flag to indicate if the OL SMC is run at 16 kHz */
		);
		#endif
		/! r: number of clipped samples /
		uint32_t ivas_syn_output(
		float synth[], / i/o: float synthesis signal */
		@@ -498,18 +526,18 @@ ivas_error ivas_core_enc(
		float old_inp_12k8[][L_INP_12k8], /* i : buffer of old input signal */
		float old_inp_16k[][L_INP], /* i : buffer of old input signal */
		float ener[], /* i : residual energy from Levinson-Durbin */
		float A[][NB_SUBFR16k * ( M + 1 )], /* i : A(z) unquantized for the 4 subframes */
		float Aw[][NB_SUBFR16k * ( M + 1 )], /* i : weighted A(z) unquantized for subframes*/
		Word16 A_fx[][NB_SUBFR16k * ( M + 1 )], /* i : A(z) unquantized for the 4 subframes */
		Word16 Aw_fx[][NB_SUBFR16k * ( M + 1 )], /* i : weighted A(z) unquantized for subframes*/
		float epsP[][M + 1], /* i : LP prediction errors */
		float lsp_new[][M], /* i : LSPs at the end of the frame */
		float lsp_mid[][M], /* i : LSPs in the middle of the frame */
		Word16 lsp_new[][M], /* i : LSPs at the end of the frame Q15 */
		Word16 lsp_mid[][M], /* i : LSPs in the middle of the frame Q15 */
		const int16_t vad_hover_flag[], /* i : VAD hanglover flag */
		int16_t attack_flag[], /* i : attack flag (GSC or TC) */
		float realBuffer[][CLDFB_NO_COL_MAX][CLDFB_NO_CHANNELS_MAX], /* i/o: real buffer */
		float imagBuffer[][CLDFB_NO_COL_MAX][CLDFB_NO_CHANNELS_MAX], /* i/o: imag buffer */
		float old_wsp[][L_WSP], /* i : weighted input signal buffer */
		const int16_t loc_harm[], /* i : harmonicity flag */
		const float cor_map_sum[], /* i : speech/music clasif. parameter */
		const Word16 cor_map_sum[], /* i : speech/music clasif. parameter Q8 */
		const int16_t vad_flag_dtx[], /* i : HE-SAD flag with additional DTX HO */
		float enerBuffer[][CLDFB_NO_CHANNELS_MAX], /* i : energy buffer */
		float fft_buff[][2 * L_FFT], /* i : FFT buffer */
		@@ -2449,12 +2477,21 @@ void InternalTCXDecoder(
		int16_t gain_tcx_q / o : quantized global gain (at low bitrates) */
		);

		#ifndef IVAS_FLOAT_FIXED
		void stereo_mdct_core_enc(
		CPE_ENC_HANDLE hCPE, /* i/o: CPE encoder structure */
		float new_samples[CPE_CHANNELS][L_INP], /* i : new samples */
		float old_wsp[CPE_CHANNELS][L_WSP], /* i : 12.8kHz weighted speech (for LTP */
		float pitch_buf[CPE_CHANNELS][NB_SUBFR16k] /* o : floating pitch for each subframe */
		);
		#else
		void stereo_mdct_core_enc(
		CPE_ENC_HANDLE hCPE, /* i/o: CPE encoder structure */
		float new_samples[CPE_CHANNELS][L_INP], /* i : new samples */
		float old_wsp[CPE_CHANNELS][L_WSP], /* i : 12.8kHz weighted speech (for LTP */
		Word16 pitch_buf_fx[CPE_CHANNELS][NB_SUBFR16k] /* o : floating pitch for each subframe */
		);
		#endif

		void initMdctStereoEncData(
		STEREO_MDCT_ENC_DATA hStereoMdct, / i/o: mdct stereo parameters structure */

lib_com/ivas_spar_com.c

+81 −66

Original line number	Diff line number	Diff line
		@@ -677,11 +677,10 @@ static void ivas_get_pred_coeffs_enc_fx(
		}
		ELSE
		{
		Word64 dm_alpha64[IVAS_MAX_NUM_BANDS];
		Word64 real64[IVAS_SPAR_MAX_CH - 1];
		Word64 re, dm_y;
		Word16 dm_beta_re_q;
		Word16 dm_alpha64_q[IVAS_MAX_NUM_BANDS];
		Word16 dm_alpha_q[IVAS_MAX_NUM_BANDS];
		Word16 dm_v_re_q[IVAS_SPAR_MAX_CH - 1][IVAS_MAX_NUM_BANDS];
		Word32 dm_alpha[IVAS_MAX_NUM_BANDS], dm_v_re[IVAS_SPAR_MAX_CH - 1][IVAS_MAX_NUM_BANDS];
		Word32 dm_g[IVAS_MAX_NUM_BANDS];
		@@ -693,6 +692,7 @@ static void ivas_get_pred_coeffs_enc_fx(
		Word32 L_tmp1, L_tmp2;
		Word16 L_tmp1_q, L_tmp2_q;
		Word16 den_f_e, s_dm_f;
		Word16 guard_bits;

		IF( EQ_16( dyn_active_w_flag, 1 ) )
		{
		@@ -706,68 +706,83 @@ static void ivas_get_pred_coeffs_enc_fx(
		}
		g_th_sq = Mpy_32_32( activew_quad_thresh, activew_quad_thresh ); // Q27

		set32_fx( dm_alpha, 0, IVAS_MAX_NUM_BANDS );
		set64_fx( dm_alpha64, 0, IVAS_MAX_NUM_BANDS );
		set16_fx( dm_alpha64_q, 31, IVAS_MAX_NUM_BANDS );

		FOR( i = 1; i < in_chans; i++ )
		{
		guard_bits = sub( find_guarded_bits_fx( in_chans ), 1 );
		FOR( k = start_band; k < end_band; k++ )
		{
		// IVAS_CALCULATE_SQ_ABS_N( cov_real[i][0][k], abs_value );
		abs_value64 = W_mult0_32_32( cov_real[i][0][k], cov_real[i][0][k] ); // Q = 2 * q_cov_real[i][0][k]
		tmp_shift = W_norm( abs_value64 );
		IF( abs_value64 != 0 )
		IF( cov_real[1][0][k] == 0 )
		{
		q_tmp = sub( add( shl( q_cov_real[i][0][k], 1 ), tmp_shift ), 32 );
		tmp64 = 0;
		move64();
		dm_alpha_q[k] = 127;
		move16();
		}
		ELSE
		{
		q_tmp = 31;
		tmp64 = W_shr( W_mult0_32_32( cov_real[1][0][k], cov_real[1][0][k] ), guard_bits ); // Q = 2 * q_cov_real[1][0][k] - guard_bits
		dm_alpha_q[k] = sub( shl( q_cov_real[1][0][k], 1 ), guard_bits );
		move16();
		}
		IF( LT_16( q_tmp, dm_alpha64_q[k] ) )
		FOR( i = 2; i < in_chans; i++ )
		{
		// IVAS_CALCULATE_SQ_ABS_N( cov_real[i][0][k], abs_value );
		IF( cov_real[i][0][k] != 0 )
		{
		abs_value64 = W_shr( W_mult0_32_32( cov_real[i][0][k], cov_real[i][0][k] ), guard_bits ); // Q = 2 * q_cov_real[i][0][k] - guard_bits
		q_tmp = sub( shl( q_cov_real[i][0][k], 1 ), guard_bits );
		tmp_shift = sub( q_tmp, dm_alpha_q[k] );

		IF( tmp_shift < 0 )
		{
		dm_alpha64[k] = W_add( W_shr( dm_alpha64[k], sub( dm_alpha64_q[k], q_tmp ) ), W_extract_h( W_shl( abs_value64, tmp_shift ) ) ); // Q=q_tmp
		IF( LE_16( tmp_shift, -63 ) )
		{
		tmp64 = abs_value64;
		move64();
		dm_alpha64_q[k] = q_tmp;
		}
		ELSE
		{
		tmp64 = W_add( W_shl( tmp64, tmp_shift ), abs_value64 ); // Q=q_tmp
		}
		dm_alpha_q[k] = q_tmp;
		move16();
		}
		ELSE
		{
		tmp_shift = sub( add( q_tmp, sub( 32, tmp_shift ) ), dm_alpha64_q[k] );
		IF( LT_16( tmp_shift, 63 ) )
		IF( LE_16( tmp_shift, 63 ) )
		{
		dm_alpha64[k] = W_add( dm_alpha64[k], W_shr( abs_value64, tmp_shift ) ); // Q=dm_alpha64_q[k]
		move64();
		tmp64 = W_add( tmp64, W_shr( abs_value64, tmp_shift ) ); // Q=dm_alpha_q[k]
		}
		}
		}
		}

		FOR( k = start_band; k < end_band; k++ )
		{
		tmp_shift = W_norm( dm_alpha64[k] );
		IF( dm_alpha64[k] != 0 )
		IF( tmp64 != 0 )
		{
		e_tmp = sub( 31, sub( add( dm_alpha64_q[k], tmp_shift ), 32 ) );
		tmp_shift = W_norm( tmp64 );
		e_tmp = sub( 63, add( dm_alpha_q[k], tmp_shift ) );
		dm_alpha[k] = Sqrt32( W_extract_h( W_shl( tmp64, tmp_shift ) ), &e_tmp ); // Q=31-e_tmp
		move32();
		dm_alpha_q[k] = sub( 31, e_tmp );
		move16();

		div_factor[k] = BASOP_Util_Divide3232_Scale( ONE_IN_Q31 /1 Q31/, dm_alpha[k], &s_div ); // Q=15-(dm_alpha_q[k]+ s_div-31)
		move16();

		div_factor_e[k] = sub( add( dm_alpha_q[k], s_div ), 31 );
		move16();
		}
		ELSE
		{
		e_tmp = 0;
		move16();
		}
		dm_alpha[k] = Sqrt32( W_extract_h( W_shl( dm_alpha64[k], tmp_shift ) ), &e_tmp ); // Q=31-e_tmp
		dm_alpha[k] = 0;
		move32();
		dm_alpha64_q[k] = sub( 31, e_tmp );
		dm_alpha_q[k] = 31;
		move16();

		div_factor[k] = BASOP_Util_Divide3232_Scale( ONE_IN_Q31 /1 Q31/, L_max( dm_alpha[k], 1 ), &s_div ); // Q=15-(dm_alpha64_q[k]+ s_div-31)
		div_factor[k] = 22204;
		move16();

		div_factor_e[k] = sub( add( dm_alpha64_q[k], s_div ), 31 );
		div_factor_e[k] = -37;
		move16();
		}
		}

		FOR( i = 0; i < pred_dim; i++ )
		{
		@@ -903,16 +918,16 @@ static void ivas_get_pred_coeffs_enc_fx(
		dm_w = cov_real[0][0][b]; // q_cov_real[0][0][b]
		move32();
		den_f = L_max( dm_w, 1 ); // q_cov_real[0][0][b]
		passive_g = L_deposit_l( BASOP_Util_Divide3232_Scale( dm_alpha[b], den_f, &s_div ) ); // dm_alpha64_q[b] - q_cov_real[0][0][b] + 15 - s_div
		passive_g = L_deposit_l( BASOP_Util_Divide3232_Scale( dm_alpha[b], den_f, &s_div ) ); // dm_alpha_q[b] - q_cov_real[0][0][b] + 15 - s_div

		div_shift = sub( Q29, add( sub( dm_alpha64_q[b], q_cov_real[0][0][b] ), sub( 15, s_div ) ) );
		div_shift = sub( Q29, add( sub( dm_alpha_q[b], q_cov_real[0][0][b] ), sub( 15, s_div ) ) );
		passive_g = L_shl_sat( passive_g, div_shift ); // Q = 29

		IF( EQ_16( dyn_active_w_flag, 1 ) )
		{
		dm_alpha[b] = 0;
		move32();
		dm_alpha64_q[b] = 0;
		dm_alpha_q[b] = 0;
		move16();
		dm_w = 0;
		move32();
		@@ -985,10 +1000,10 @@ static void ivas_get_pred_coeffs_enc_fx(

		den_f = L_max( den_f, 1 ); // q_tmp + tmp_shift - 32

		DM_F[b] = L_deposit_l( BASOP_Util_Divide3232_Scale( Mpy_32_32( dm_f_local, dm_alpha[b] ), den_f, &s_div ) ); // Q30 + dm_alpha64_q[b] - 31 - q_tmp - tmp_shift + 32 + 15 - s_div
		DM_F[b] = L_deposit_l( BASOP_Util_Divide3232_Scale( Mpy_32_32( dm_f_local, dm_alpha[b] ), den_f, &s_div ) ); // Q30 + dm_alpha_q[b] - 31 - q_tmp - tmp_shift + 32 + 15 - s_div
		move32();

		DM_F_q[b] = add( sub( sub( dm_alpha64_q[b], add( q_tmp, tmp_shift ) ), s_div ), ( 30 - 31 + 32 + 15 ) );
		DM_F_q[b] = add( sub( sub( dm_alpha_q[b], add( q_tmp, tmp_shift ) ), s_div ), ( 30 - 31 + 32 + 15 ) );
		move16();

		IF( LT_32( ONE_IN_Q30, L_shl_sat( DM_F[b], sub( Q30, DM_F_q[b] ) ) ) ) // q30
		@@ -1025,7 +1040,7 @@ static void ivas_get_pred_coeffs_enc_fx(
		L_tmp2 = W_extract_h( tmp64 ); // Q=q_tmp+tmp_shift-32
		L_tmp2_q = sub( add( q_tmp, tmp_shift ), 32 );

		tmp64 = W_shl( W_mult0_32_32( dm_alpha[b], DM_F[b] ), 1 ); // Q=dm_alpha64_q[b]+DM_F_q[b]
		tmp64 = W_shl( W_mult0_32_32( dm_alpha[b], DM_F[b] ), 1 ); // Q=dm_alpha_q[b]+DM_F_q[b]
		tmp_shift = sub( W_norm( tmp64 ), 2 );
		IF( tmp64 == 0 )
		{
		@@ -1034,10 +1049,10 @@ static void ivas_get_pred_coeffs_enc_fx(
		}
		ELSE
		{
		tmp64 = W_shl( tmp64, tmp_shift ); // Q=dm_alpha64_q[b]+DM_F_q[b]+tmp_shift
		tmp64 = W_shl( tmp64, tmp_shift ); // Q=dm_alpha_q[b]+DM_F_q[b]+tmp_shift
		}
		L_tmp1 = W_extract_h( tmp64 ); // DM_F_q[b] + dm_alpha64_q[b] + tmp_shift - 32
		L_tmp1_q = sub( add( add( DM_F_q[b], dm_alpha64_q[b] ), tmp_shift ), 32 );
		L_tmp1 = W_extract_h( tmp64 ); // DM_F_q[b] + dm_alpha_q[b] + tmp_shift - 32
		L_tmp1_q = sub( add( add( DM_F_q[b], dm_alpha_q[b] ), tmp_shift ), 32 );

		IF( LT_16( L_tmp2_q, L_tmp1_q ) )
		{
		@@ -1083,15 +1098,15 @@ static void ivas_get_pred_coeffs_enc_fx(

		tmp_shift = sub( norm_l( dm_alpha[b] ), 1 );

		IF( LT_16( L_tmp2_q, add( dm_alpha64_q[b], tmp_shift ) ) )
		IF( LT_16( L_tmp2_q, add( dm_alpha_q[b], tmp_shift ) ) )
		{
		L_tmp1 = L_add( L_shr( dm_alpha[b], sub( dm_alpha64_q[b], L_tmp2_q ) ), L_tmp2 ); // Q=L_tmp2_q
		L_tmp1 = L_add( L_shr( dm_alpha[b], sub( dm_alpha_q[b], L_tmp2_q ) ), L_tmp2 ); // Q=L_tmp2_q
		L_tmp1_q = L_tmp2_q;
		move16();
		}
		ELSE
		{
		L_tmp1_q = add( dm_alpha64_q[b], tmp_shift );
		L_tmp1_q = add( dm_alpha_q[b], tmp_shift );
		L_tmp1 = L_add( L_shl( dm_alpha[b], tmp_shift ), L_shr( L_tmp2, sub( L_tmp2_q, L_tmp1_q ) ) ); // Q=L_tmp1_q
		}

		@@ -1107,7 +1122,7 @@ static void ivas_get_pred_coeffs_enc_fx(
		Word16 num_f_e;

		/* quadratic activeW */
		tmp64 = W_shl( W_mult0_32_32( dm_alpha[b], activew_quad_thresh ), 1 ); // Q=dm_alpha64_q[b]+29
		tmp64 = W_shl( W_mult0_32_32( dm_alpha[b], activew_quad_thresh ), 1 ); // Q=dm_alpha_q[b]+29
		tmp_shift = sub( W_norm( tmp64 ), 1 );
		IF( tmp64 == 0 )
		{
		@@ -1116,15 +1131,15 @@ static void ivas_get_pred_coeffs_enc_fx(
		}
		ELSE
		{
		tmp64 = W_shl( tmp64, tmp_shift ); // Q=dm_alpha64_q+29+tmp_shift
		tmp64 = W_shl( tmp64, tmp_shift ); // Q=dm_alpha_q+29+tmp_shift
		}
		L_tmp1 = W_extract_h( tmp64 ); // Q29 + dm_alpha64_q[b] + tmp_shift - 32
		L_tmp1_q = sub( add( add( Q29, dm_alpha64_q[b] ), tmp_shift ), 32 ); // Q=dm_alpha64_q+29+1+tmp_shift-32
		L_tmp1 = W_extract_h( tmp64 ); // Q29 + dm_alpha_q[b] + tmp_shift - 32
		L_tmp1_q = sub( add( add( Q29, dm_alpha_q[b] ), tmp_shift ), 32 ); // Q=dm_alpha_q+29+1+tmp_shift-32

		num_f = BASOP_Util_Add_Mant32Exp( dm_beta_re, sub( 31, dm_beta_re_q ), L_negate( L_tmp1 ), sub( 31, L_tmp1_q ), &num_f_e ); // Q=31-num_f_e

		sqrt_val = Mpy_32_32( Mpy_32_32( dm_alpha[b], dm_alpha[b] ), g_th_sq ); //((2*dm_alpha64_q[b]-31)+27-31)-2 ,reducing the Q by 2 instead of multiplication by 4
		val_e = sub( 31, sub( sub( add( sub( shl( dm_alpha64_q[b], 1 ), 31 ), 27 ), 31 ), 2 ) ); // reducing the Q by 2 instead of multiplication by 4
		sqrt_val = Mpy_32_32( Mpy_32_32( dm_alpha[b], dm_alpha[b] ), g_th_sq ); //((2*dm_alpha_q[b]-31)+27-31)-2 ,reducing the Q by 2 instead of multiplication by 4
		val_e = sub( 31, sub( sub( add( sub( shl( dm_alpha_q[b], 1 ), 31 ), 27 ), 31 ), 2 ) ); // reducing the Q by 2 instead of multiplication by 4
		sqrt_val = BASOP_Util_Add_Mant32Exp( sqrt_val, val_e, Mpy_32_32( dm_beta_re, dm_beta_re ), sub( 31, sub( shl( dm_beta_re_q, 1 ), 31 ) ), &val_e ); // q=31-val_e
		sqrt_val = BASOP_Util_Add_Mant32Exp( sqrt_val, val_e, L_negate( Mpy_32_32( Mpy_32_32( dm_beta_re, g_th_sq ), dm_w ) ), sub( 31, sub( sub( add( sub( add( dm_beta_re_q, 27 ), 31 ), q_cov_real[0][0][b] ), 31 ), 2 ) ) /* reducing the Q by 2 instead of multiplication by 4*/, &val_e ); // q=31-val_e
		// val_e = norm_l( sqrt_val );

lib_com/lpc_tools_fx.c

+91 −0

File changed.

Preview size limit exceeded, changes collapsed.

lib_com/prot.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -2390,7 +2390,7 @@ ivas_error acelp_core_enc(
		#else
		ivas_error acelp_core_enc(
		Encoder_State st, / i/o: encoder state structure */
		/const/ float inp[], /* i : input signal of the current frame */
		const Word16 inp[], /* i : input signal of the current frame */
		Word16 A[NB_SUBFR16k * ( M + 1 )], /* i : A(z) unquantized for the 4 subframes */
		Word16 Aw[NB_SUBFR16k * ( M + 1 )], /* i : weighted A(z) unquant. for subframes */
		const Word32 epsP[M + 1], /* i : LP prediction errors */
		@@ -6020,7 +6020,7 @@ void core_switching_post_enc(
		// const float old_inp_16k, / i : old input signal @16kHz */
		float old_inp_16k, / i : old input signal @16kHz */
		// const float A[] /* i : unquant. LP filter coefs. */
		float A[], /* i : unquant. LP filter coefs. */
		Word16 A_fx[], /* i : unquant. LP filter coefs. */
		Word16 Q_new );
		#endif
		ivas_error core_switching_post_dec(

lib_com/prot_fx.h

+21 −0

Original line number	Diff line number	Diff line
		@@ -1102,6 +1102,20 @@ void autocorr_fx(
		const Word16 sym_flag /* i : symmetric window flag */
		);

		void autocorr_ivas_fx(
		const Word16 x[], /* i : Input signal Qx */
		const Word16 Qx, /* i : Q facor of Input signal Q0 */
		const Word16 m, /* i : LPC order Q0 */
		Word16 r_h[], /* o : Autocorrelations (msb) Q15(Q_r -16) */
		Word16 r_l[], /* o : Autocorrelations (lsb) Q(r)-1 */
		Word16 Q_r, / o : normalisation shift of r Q0 */
		const Word16 len, /* i : Frame lenght */
		const Word16 wind, / i : Window used */
		const Word16 rev_flag, /* i : flag to reverse window */
		const Word16 sym_flag, /* i : symmetric window flag */
		const Word16 no_thr /* i : flag to avoid thresholding */
		);

		void autocorr_fx_32(
		const Word16 x[], /* i : Input signal Q(q_x) */
		const Word16 m, /* i : LPC order Q0 */
		@@ -11128,4 +11142,11 @@ void configureCldfb_ivas_enc_fx(
		const Word32 sampling_rate /* i : sampling rate */
		);

		void core_switching_post_enc_ivas_fx(
		Encoder_State st, / i/o: encoder state structure */
		Word16 old_inp_12k8_fx, / i : old input signal @12.8kHz */
		Word16 old_inp_16k_fx, / i : old input signal @16kHz */
		Word16 A_fx[], /* i : unquant. LP filter coefs. */
		Word16 Q_new );

		#endif