Stereo path functions conversion/ integration, config and initializations (ba2f12a1) · Commits · SA4 / Audio / IVAS BASOP

lib_com/bitstream.c

+23 −0

Original line number	Diff line number	Diff line
		@@ -2170,6 +2170,7 @@ uint16_t get_indice_1(
		* Reset the buffer of encoder indices
		-------------------------------------------------------------------/

		#ifndef IVAS_FLOAT_FIXED
		void reset_indices_enc(
		BSTR_ENC_HANDLE hBstr, /* i/o: encoder bitstream handle */
		const Word16 max_num_indices /* i : max number of indices */
		@@ -2187,6 +2188,28 @@ void reset_indices_enc(

		return;
		}
		#else
		void reset_indices_enc(
		BSTR_ENC_HANDLE hBstr, /* i/o: encoder bitstream handle */
		const Word16 max_num_indices /* i : max number of indices */
		)
		{
		Word16 i;

		hBstr->nb_bits_tot = 0;
		move16();
		hBstr->nb_ind_tot = 0;
		move16();

		FOR( i = 0; i < max_num_indices; i++ )
		{
		hBstr->ind_list[i].nb_bits = -1;
		move16();
		}

		return;
		}
		#endif

		/-------------------------------------------------------------------
		* reset_indices_dec()

lib_com/ivas_fb_mixer.c

+67 −0

Original line number	Diff line number	Diff line
		@@ -560,6 +560,27 @@ ivas_error ivas_FB_mixer_open_fx(
		return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for FB mixer encoder" );
		}
		}
		#if 1 // TODO: To be removed later
		if ( fb_cfg->num_out_chans == 0 )
		{
		hFbMixer->ppFilterbank_inFR_re[i] = NULL;
		hFbMixer->ppFilterbank_inFR_im[i] = NULL;
		}
		else
		{
		j = fb_cfg->remix_order[i];

		if ( ( hFbMixer->ppFilterbank_inFR_re[j] = (float ) malloc( sizeof( float ) frame_len ) ) == NULL )
		{
		return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for FB mixer encoder" );
		}

		if ( ( hFbMixer->ppFilterbank_inFR_im[j] = (float ) malloc( sizeof( float ) frame_len ) ) == NULL )
		{
		return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for FB mixer encoder" );
		}
		}
		#endif
		}

		IF( EQ_16( fb_cfg->active_w_mixing, -1 ) )
		@@ -579,6 +600,13 @@ ivas_error ivas_FB_mixer_open_fx(
		return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for FB mixer encoder" );
		}
		set32_fx( hFbMixer->ppFilterbank_prior_input_fx[i], 0, fb_cfg->prior_input_length );
		#if 1 // TODO: To be removed later
		if ( ( hFbMixer->ppFilterbank_prior_input[i] = (float ) malloc( sizeof( float ) fb_cfg->prior_input_length ) ) == NULL )
		{
		return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for FB mixer encoder" );
		}
		set_f( hFbMixer->ppFilterbank_prior_input[i], 0, fb_cfg->prior_input_length );
		#endif
		}

		test();
		@@ -598,6 +626,22 @@ ivas_error ivas_FB_mixer_open_fx(
		set32_fx( hFbMixer->prior_mixer_fx[i][j], 0, IVAS_MAX_NUM_BANDS );
		}
		}
		#if 1 // TODO: To be removed later
		float *pTemp_mem;
		if ( ( pTemp_mem = (float ) malloc( sizeof( float ) fb_cfg->num_out_chans * max( fb_cfg->num_in_chans, fb_cfg->nchan_fb_in ) * IVAS_MAX_NUM_BANDS ) ) == NULL )
		{
		return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for FB mixer" );
		}
		for ( i = 0; i < fb_cfg->num_out_chans; i++ )
		{
		for ( j = 0; j < fb_cfg->num_in_chans; j++ )
		{
		hFbMixer->prior_mixer[i][j] = pTemp_mem;
		pTemp_mem += IVAS_MAX_NUM_BANDS;
		set_f( hFbMixer->prior_mixer[i][j], 0, IVAS_MAX_NUM_BANDS );
		}
		}
		#endif
		}

		IF( !spar_reconfig_flag )
		@@ -618,6 +662,12 @@ ivas_error ivas_FB_mixer_open_fx(
		{
		return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for FB mixer encoder fixed" );
		}
		#if 1 // TODO: To be removed later
		if ( ( hFbMixer->pFb->fb_bin_to_band.pFb_bin_to_band[i] = (float ) malloc( sizeof( float ) pActive_bins_per_band_abs[i] ) ) == NULL )
		{
		return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for FB mixer encoder" );
		}
		#endif
		}
		}

		@@ -634,6 +684,17 @@ ivas_error ivas_FB_mixer_open_fx(

		FOR( j = start_diff_band_non48k; j < num_bands; j++ )
		{
		#if 1 // TODO: To be removed later
		if ( ( hFbMixer->pFb->fb_consts.ppFilterbank_FRs_non48k[0][j] = (float ) malloc( sizeof( float ) pActive_bins_per_band[j] ) ) == NULL )
		{
		return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for FB mixer encoder" );
		}

		if ( ( hFbMixer->pFb->fb_consts.ppFilterbank_FRs_non48k[1][j] = (float ) malloc( sizeof( float ) pActive_bins_per_band[j] ) ) == NULL )
		{
		return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for FB mixer encoder" );
		}
		#endif
		IF( ( hFbMixer->pFb->fb_consts.ppFilterbank_FRs_non48k_fx[0][j] = (Word32 ) malloc( sizeof( Word32 ) pActive_bins_per_band[j] ) ) == NULL )
		{
		return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for FB mixer encoder" );
		@@ -666,6 +727,12 @@ ivas_error ivas_FB_mixer_open_fx(
		{
		return error;
		}
		#if 1 // TODO: To be removed later
		if ( ( error = ivas_filterbank_setup( hFbMixer, sampling_rate ) ) != IVAS_ERR_OK )
		{
		return error;
		}
		#endif
		}

		*hFbMixer_out = hFbMixer;

lib_com/ivas_ism_com.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -1140,6 +1140,10 @@ void ivas_param_ism_config_fx(
		hParamIsm->last_dmx_gain_e = 1;
		move16();
		set16_fx( hParamIsm->last_cardioid_left_fx, (Word16) 16384, MAX_NUM_OBJECTS );
		#if 1 // TODO: To be removed later
		hParamIsm->last_dmx_gain = 1.0f;
		set_f( hParamIsm->last_cardioid_left, 1.0f, MAX_NUM_OBJECTS );
		#endif

		return;
		}

lib_com/ivas_prot.h

+40 −21

Original line number	Diff line number	Diff line
		@@ -342,16 +342,26 @@ ivas_error ivas_compute_core_buffers(
		Encoder_State st, / i/o: encoder state structure */
		float *inp16k_out, / o : ptr. to inp. signal in the current frame */
		float old_inp_16k, / i/o: buffer of old input signal @ 16kHz */
		float new_inp_resamp16k[], /* o : new input signal @16kHz, non pre-emphasised, used by the WB TBE/BWE */
		float new_inp_resamp16k_out[], /* o : new input signal @16kHz, non pre-emphasised, used by the WB TBE/BWE */
		const int16_t input_frame, /* i : frame length */
		const int16_t last_element_mode, /* i : last element mode */
		const int32_t sr_core, /* i : core-coder sampling rate */
		float ener, / o : residual energy from Levinson-Durbin */
		#ifndef IVAS_FLOAT_FIXED
		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 */
		#else
		Word16 A_fx[NB_SUBFR16k * (M + 1)], /* i/o: A(z) unquantized for the 4 subframes */
		Word16 Aw_Fx[NB_SUBFR16k * (M + 1)], /* i/o: weighted A(z) unquantized for subframes */
		#endif
		float epsP[M + 1], /* i/o: LP prediction errors */
		#ifndef IVAS_FLOAT_FIXED
		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 */
		#else
		Word16 lsp_new_fx[M], /* i/o: LSPs at the end of the frame */
		Word16 lsp_mid_fx[M] /* i/o: LSPs in the middle of the frame */
		#endif
		);

		/! r: number of clipped samples /
		@@ -1436,12 +1446,7 @@ ivas_error ivas_ism_metadata_dec(
		----------------------------------------------------------------------------------/

		/! r: ISM format mode /
		#ifdef IVAS_FLOAT_FIXED
		ISM_MODE ivas_ism_mode_select(
		const Word16 nchan_inp, /* i : number of input objects */
		const Word32 ivas_total_brate /* i : IVAS total bitrate */
		);
		#else
		#ifndef IVAS_FLOAT_FIXED
		ISM_MODE ivas_ism_mode_select(
		const int16_t nchan_inp, /* i : number of input objects */
		const int32_t ivas_total_brate /* i : IVAS total bitrate */
		@@ -2797,7 +2802,21 @@ void stereo_tdm_combine_fx(
		const Word16 flag_HB, /* i : flag to distinguish between core (0) and HB (1) synthesis */
		const Word16 tdm_ratio_idx /* i : TDM ratio index */
		);

		#ifdef IVAS_FLOAT_FIXED
		Word16 tdm_lp_comparison_fx(
		STEREO_TD_ENC_DATA_HANDLE hStereoTD, /* i/o: TD stereo encoder handle */
		STEREO_CLASSIF_HANDLE hStereoClassif, /* i/o: stereo classifier structure */
		Encoder_State st, / i/o: Encoder structure */
		Word32 speech_buff, / i : Current speech frame Q_speech */
		const Word16 A_PCh_fx, / i : primary channel LP coefficients Q12*/
		const Word16 A_SCh_fx, / i : secondary channel LP coeff. Q12*/
		const Word16 m, /* i : filter length */
		const Word32 isp_PCh_fx, / i : primary channel LSPs Q31 */
		const Word32 isp_SCh_fx, / i : secondary channel LSPs Q31 */
		const Word16 L_frame, /* i : frame length */
		const Word32 element_brate_wo_meta, /* i : element bitrate without metadata*/
		Word16 Q_speech );
		#else
		/! r: replication decision; 1 = Use old LP /
		int16_t tdm_lp_comparison(
		STEREO_TD_ENC_DATA_HANDLE hStereoTD, /* i/o: TD stereo encoder handle */
		@@ -2812,7 +2831,7 @@ int16_t tdm_lp_comparison(
		const int16_t L_frame, /* i : frame length */
		const int32_t element_brate_wo_meta /* i : element bitrate without metadata */
		);

		#endif
		/! r: replication decision; 1 = Use old LP /
		void tdm_ol_pitch_comparison(
		CPE_ENC_HANDLE hCPE, /* i : CPE encoder structure */

lib_com/ivas_prot_fx.h

+24 −0

Original line number	Diff line number	Diff line
		@@ -1353,6 +1353,15 @@ void stereo_tcx_init_dec_fx(
		const Word16 last_element_mode /* i : element mode of previous frame */
		);

		void stereo_icBWE_enc_ivas_fx(
		CPE_ENC_HANDLE hCPE, /* i/o: CPE encoder structure */
		const Word32 shb_speech_ref_fx[], /* i : SHB speech ref channel */
		const Word16 shb_speech_ref_e, /* i : SHB speech ref channel */
		Word32 shb_speech_nonref_fx[], /* i/o: SHB speech non-ref channel */
		Word16 shb_speech_nonref_e, /* i/o: SHB speech non-ref channel */
		const Word32 voice_factors_fx / i : voicing factors Q31 */
		);

		void initMdctStereoDecData_fx(
		STEREO_MDCT_DEC_DATA hStereoMdct, / i/o: mdct stereo parameters structure */
		const Word16 igf, /* i : flag indicating IGF activity */
		@@ -1361,6 +1370,16 @@ void initMdctStereoDecData_fx(
		const Word16 bwidth /* i : audio bandwidth */
		);

		void stereo_tdm_downmix_ivas_fx(
		STEREO_TD_ENC_DATA_HANDLE hStereoTD, /* i : TD stereo IVAS encoder structure */
		Word16 Left_in_fx, / Qx */
		Word16 Right_in_fx, / Qx */
		const Word16 input_frame, /* i : Number of samples */
		const Word16 tdm_ratio_idx, /* i : TDM ratio index */
		const Word16 tdm_SM_flag, /* i : channel combination scheme flag */
		const Word16 tdm_ratio_idx_SM /* i : TDM ratio index for SM mode */
		);

		void stereo_mdct_init_bands_fx(
		const Word16 L_frame, /* i : frame length */
		const Word16 tmp_tcx_mode, /* i : tcx mode (TCX10, TCX 20), -1 if transition frame */
		@@ -3068,4 +3087,9 @@ void unclr_classifier_td_fx(
		CPE_ENC_HANDLE hCPE /* i/o: CPE encoder structure */
		);
		#endif

		ISM_MODE ivas_ism_mode_select(
		const Word16 nchan_inp, /* i : number of input objects */
		const Word32 ivas_total_brate /* i : IVAS total bitrate */
		);
		#endif

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