Merge branch 'main' into... (9c0b56d0) · Commits · SA4 / Audio / IVAS BASOP

lib_com/cnst.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -1425,6 +1425,7 @@ enum
		#define NB_LEADER 36
		#define NB_LDQ4 27
		#define FAC_LOG2 3.321928095f
		#define FAC_LOG2_BY10_Q16 21771

		#define NSV_MAX 34 /* maximal number of sub-vectors used by the AVQ */

		@@ -1549,6 +1550,7 @@ enum
		#define SHB_GAIN_QDELTA_1k75 0.08f /* SHB gain scalar quantizer stepsize */
		#define SHB_GAIN_QLOW_1k75_FX 0 /* SHB gain lowest scalar quantizer value */
		#define SHB_GAIN_QDELTA_1k75_FX 10486 /* SHB gain scalar quantizer stepsize Q17 */
		#define SHB_GAIN_QDELTA_1k75_FX_15 2622 /* SHB gain scalar quantizer stepsize */
		#define SHB_GAIN_QLOW_FX -262144 /* Q18/ / SHB gain lowest scalar quantizer value */
		#define SHB_GAIN_QLOW_FX_16 -65536 /* SHB gain lowest scalar quantizer value */
		#define SHB_GAIN_QDELTA_FX_15 4915 /* SHB gain scalar quantizer step size */

lib_com/edct_fx.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -746,7 +746,7 @@ void edxt_fx(
		move32();
		}

		y[sub( Nm1, imult1616( Nm1, shl( kernelType, 1 ) ) )] = L_shr( re[0], 1 );
		y[sub( Nm1, imult1616( Nm1, shr( kernelType, 1 ) ) )] = L_shr( re[0], 1 );
		move32();
		}
		ELSE /* inverse II = III */

lib_com/float_to_fix_ops.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -78,6 +78,13 @@ void floatToFixed_arr32( float f, Word32 i, Word16 Q, Word16 l )
		}
		}

		float fixedToFloat_16( Word16 i, Word16 Q )
		{
		if ( Q < 0 )
		return ( i * (float) ( ( (unsigned) 1 ) << ( -Q ) ) );
		else
		return (float) ( i ) / (float) ( (unsigned int) 1 << Q );
		}
		float fixedToFloat_32( Word32 number, Word16 Q )
		{
		float val = 0.0f;

lib_com/int_lsp.c

+79 −0

Original line number	Diff line number	Diff line
		@@ -314,3 +314,82 @@ void int_lsp4_fx(

		return;
		}

		void int_lsp4_ivas_fx(
		const Word16 L_frame, /* i : length of the frame */
		const Word16 lsp_old[], /* i : LSPs from past frame Q15*/
		const Word16 lsp_mid[], /* i : LSPs from mid-frame Q15*/
		const Word16 lsp_new[], /* i : LSPs from present frame Q15*/
		Word16 Aq, / o : LP coefficients in both subframes Q12*/
		const Word16 m, /* i : order of LP filter */
		Word16 relax_prev_lsf_interp /* i : relax prev frame lsf interp after erasure */
		)
		{
		Word16 lsp[M16k];
		Word16 i, j, k;
		Word32 L_tmp;
		const Word16 *pt_int_coeffs;

		IF( EQ_16( L_frame, L_FRAME ) )
		{
		IF( EQ_16( relax_prev_lsf_interp, 1 ) )
		{
		pt_int_coeffs = interpol_frac_mid_relaxprev_12k8_fx;
		}
		ELSE IF( EQ_16( relax_prev_lsf_interp, 2 ) )
		{
		pt_int_coeffs = interpol_frac_mid_FEC_fx;
		}
		ELSE IF( EQ_16( relax_prev_lsf_interp, -1 ) )
		{
		pt_int_coeffs = interpol_frac_mid_relaxprev_pred_12k8_fx;
		}
		ELSE IF( EQ_16( relax_prev_lsf_interp, -2 ) )
		{
		pt_int_coeffs = interpol_frac2_mid_fx;
		}
		ELSE
		{
		pt_int_coeffs = interpol_frac_mid_fx;
		}
		}
		ELSE /* L_frame == L_FRAME16k */
		{
		IF( EQ_16( relax_prev_lsf_interp, 1 ) )
		{
		pt_int_coeffs = interpol_frac_mid_relaxprev_16k_fx;
		}
		ELSE IF( EQ_16( relax_prev_lsf_interp, 2 ) )
		{
		pt_int_coeffs = interpol_frac_mid_16k_FEC_fx;
		}
		ELSE IF( EQ_16( relax_prev_lsf_interp, -1 ) )
		{
		pt_int_coeffs = interpol_frac_mid_relaxprev_pred_16k_fx;
		}
		ELSE
		{
		pt_int_coeffs = interpol_frac_mid_16k_fx;
		}
		}
		k = sub( shr( L_frame, 6 ), 1 );
		FOR( j = 0; j < k; j++ )
		{
		FOR( i = 0; i < m; i++ )
		{
		L_tmp = L_mult( lsp_old[i], pt_int_coeffs ); /Q31 */
		L_tmp = L_mac( L_tmp, lsp_mid[i], ( pt_int_coeffs + 1 ) ); /Q31 */
		lsp[i] = mac_r( L_tmp, lsp_new[i], *( pt_int_coeffs + 2 ) );
		move16();
		}
		pt_int_coeffs += 3;

		E_LPC_f_lsp_a_conversion( lsp, Aq, m );
		Aq += add( m, 1 );
		}

		/* Last subframe */
		E_LPC_f_lsp_a_conversion( lsp_new, Aq, m );

		return;
		}

lib_com/ivas_prot.h

+17 −12

Original line number	Diff line number	Diff line
		@@ -317,8 +317,8 @@ ivas_error pre_proc_ivas(
		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/ 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 */
		@@ -635,6 +635,7 @@ ivas_error ivas_core_dec(
		#endif


		#ifndef IVAS_FLOAT_FIXED
		void encod_gen_2sbfr(
		Encoder_State st, / i/o: state structure */
		const float speech[], /* i : input speech */
		@@ -650,6 +651,7 @@ void encod_gen_2sbfr(
		const int16_t tdm_Pitch_reuse_flag, /* i : primary channel pitch reuse flag */
		const float tdm_Pri_pitch_buf[] /* i : pitch values for primary channel */
		);
		#endif

		void decod_gen_2sbfr(
		Decoder_State st, / i/o: decoder static memory */
		@@ -799,6 +801,7 @@ int16_t ivas_acelp_tcx20_switching(
		const int16_t flag_16k_smc /* i : flag to indicate if the OL SMC is run at 16 kHz */
		);

		#ifndef IVAS_FLOAT_FIXED
		void ivas_decision_matrix_enc(
		Encoder_State st, / i/o: encoder state structure */
		const int32_t element_brate, /* i : element bitrate */
		@@ -806,6 +809,16 @@ void ivas_decision_matrix_enc(
		const float enerBuffer[], /* i : energy buffer */
		const int16_t last_element_mode /* i : last element mode */
		);
		#else
		void ivas_decision_matrix_enc_fx(
		Encoder_State st, / i : encoder state structure */
		const Word32 element_brate, /* i : element bitrate */
		const Word16 fft_buff[], /* i : FFT buffer */
		const Word32 enerBuffer[], /* i : energy buffer */
		Word16 enerBuffer_exp,
		const Word16 last_element_mode /* i : last element mode */
		);
		#endif

		#ifdef IVAS_FLOAT_FIXED
		void ivas_signaling_enc_fx(
		@@ -4122,14 +4135,6 @@ void ivas_mdct_quant_coder(
		const int16_t MCT_flag /* i : hMCT handle allocated (1) or not (0) */
		);

		void ivas_mdct_quant_coder_fx(
		CPE_ENC_HANDLE hCPE, /* i/o: Encoder CPE handle */
		int16_t tnsBits[CPE_CHANNELS][NB_DIV], /* i : bits needed for TNS parameters */
		int16_t tnsSize[CPE_CHANNELS][NB_DIV], /* i : size of TNS */
		int16_t p_param[CPE_CHANNELS][NB_DIV], /* i : pointer to parameter array */
		const int16_t MCT_flag /* i : hMCT handle allocated (1) or not (0) */
		);

		void apply_MCT_enc(
		MCT_ENC_HANDLE hMCT, /* i/o: MCT encoder structure */
		Encoder_State *sts, / i/o: encoder state structure */
		@@ -8009,8 +8014,8 @@ void ivas_omasa_dirac_rend_jbm(
		#ifdef IVAS_FLOAT_FIXED
		void ivas_omasa_preProcessStereoTransportsForMovedObjects_fx(
		Decoder_Struct *st_ivas,
		Word32 inRe_fx[][CLDFB_SLOTS_PER_SUBFRAME][CLDFB_NO_CHANNELS_MAX],
		Word32 inIm_fx[][CLDFB_SLOTS_PER_SUBFRAME][CLDFB_NO_CHANNELS_MAX],
		Word32 inRe_fx[][CLDFB_SLOTS_PER_SUBFRAME][CLDFB_NO_CHANNELS_MAX], /cldfb_buf_q/
		Word32 inIm_fx[][CLDFB_SLOTS_PER_SUBFRAME][CLDFB_NO_CHANNELS_MAX], /cldfb_buf_q/
		Word16 *cldfb_buf_q,
		const Word16 nBins,
		const Word16 subframe

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