Get_Transition function converted to fixed. (710fb09b) · Commits · SA4 / Audio / IVAS BASOP

lib_com/modif_fs.c

+60 −0

Original line number	Diff line number	Diff line
		@@ -1032,6 +1032,66 @@ void interpolate_3_over_1_allpass(
		}


		void interpolate_3_over_1_allpass_32(
		const Word32 input, / i : input signal */
		const Word16 len, /* i : number of input samples */
		Word32 out, / o : output signal */
		Word32 mem / i/o: memory */
		)
		{
		Word16 i;
		Word32 Vu[2], Vm[2], Vl[2]; /* Outputs of three cascaded allpass stages (upper, middle, and lower) */
		Word32 *out1;
		Word32 mem_temp;
		const Word16 *filt_coeff = allpass_poles_3_ov_2;

		out1 = &out[0];

		FOR( i = 0; i < len; i++ )
		{
		/* Upper branch */
		Vu[0] = L_add_sat( mem[0], Mpy_32_16_1( L_sub( input[i], mem[1] ), filt_coeff[0] ) );
		Vu[1] = L_add_sat( mem[1], Mpy_32_16_1( L_sub( Vu[0], mem[2] ), filt_coeff[1] ) );
		mem[3] = L_add_sat( mem[2], Mpy_32_16_1( L_sub( Vu[1], mem[3] ), filt_coeff[2] ) );

		mem[1] = Vu[0];
		mem[2] = Vu[1];
		*out1++ = mem[3];

		/* Middle branch */
		Vm[0] = L_add_sat( mem[0], Mpy_32_16_1( L_sub( input[i], mem[4] ), filt_coeff[3] ) );
		Vm[1] = L_add_sat( mem[4], Mpy_32_16_1( L_sub( Vm[0], mem[5] ), filt_coeff[4] ) );
		mem[6] = L_add_sat( mem[5], Mpy_32_16_1( L_sub( Vm[1], mem[6] ), filt_coeff[5] ) );

		mem[4] = Vm[0];
		mem[5] = Vm[1];
		*out1++ = mem[6];

		/* Lower branch */
		Vl[0] = L_add_sat( mem[0], Mpy_32_16_1( L_sub( input[i], mem[7] ), filt_coeff[6] ) );
		Vl[1] = L_add_sat( mem[7], Mpy_32_16_1( L_sub( Vl[0], mem[8] ), filt_coeff[7] ) );
		mem[9] = L_add_sat( mem[8], Mpy_32_16_1( L_sub( Vl[1], mem[9] ), filt_coeff[8] ) );

		mem[0] = input[i];
		mem[7] = Vl[0];
		mem[8] = Vl[1];
		*out1++ = mem[9];
		}

		/LPF/
		FOR( i = 0; i < len * 3; i++ )
		{
		mem_temp = out[i];
		out[i] = L_sub_sat( Mpy_32_16_1( L_add_sat( mem[12], mem[11] ), 18768 ), Mpy_32_16_1( L_add_sat( mem_temp, mem[10] ), 2424 ) );
		mem[10] = mem[11];
		mem[11] = mem[12];
		mem[12] = mem_temp;
		}

		return;
		}


		/-------------------------------------------------------------------
		* retro_interp4_5()
		*

lib_com/prot.h

+26 −1

Original line number	Diff line number	Diff line
		@@ -2642,7 +2642,15 @@ void flip_and_downmix_generic(
		float mem3_ext[2 * HILBERT_ORDER2], /* i/o: memory */
		int16_t phase_state / i/o: Phase state in case frequency isn't multiple of 50 Hz */
		);

		void flip_and_downmix_generic_fx_32(
		Word32 input[], /* i : input spectrum Qx*/
		Word32 output[], /* o : output spectrum Qx*/
		const Word16 length, /* i : length of spectra */
		Word32 mem1_ext[HILBERT_ORDER1], /* i/o: memory Qx*/
		Word32 mem2_ext[2 * HILBERT_ORDER2], /* i/o: memory Qx*/
		Word32 mem3_ext[2 * HILBERT_ORDER2], /* i/o: memory Qx*/
		Word16* phase_state /* i/o: Phase state in case frequency isn't multiple of 50 Hz */
		);
		void non_linearity(
		const float input[], /* i : input signal */
		float output[], /* i : output signal */
		@@ -2731,12 +2739,29 @@ void GenTransition(
		const int32_t total_brate /* i : total bitrate */
		);


		void GenTransition_fixed(
		TD_BWE_DEC_HANDLE hBWE_TD, /* i/o: TD BWE data handle */
		Word32 outputHB_fx, / o : synthesized HB transitions signal */
		const int32_t output_Fs, /* i : output sampling rate */
		const int16_t element_mode, /* i : element mode */
		const int16_t L_frame, /* i : ACELP frame length */
		const int16_t rf_flag, /* i : RF flag */
		const int32_t total_brate /* i : total bitrate */
		);

		void GenTransition_WB(
		TD_BWE_DEC_HANDLE hBWE_TD, /* i/o: TD BWE data handle */
		float outputHB, / o : synthesized HB transitions signal */
		const int32_t output_Fs /* i : output sampling rate */
		);

		void GenTransition_WB_fixed(
		TD_BWE_DEC_HANDLE hBWE_TD, /* i/o: TD BWE data handle */
		Word32 outputHB_fx, / o : synthesized HB transitions signal */
		const int32_t output_Fs /* i : output sampling rate */
		);

		void td_bwe_dec_init(
		TD_BWE_DEC_HANDLE hBWE_TD, /* i/o: TD BWE data handle */
		const int16_t extl, /* i : BWE extension layer */

lib_com/prot_fx2.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -8723,6 +8723,12 @@ void interpolate_3_over_2_allpass_32(
		Word32 mem / i/o: memory */
		);

		void interpolate_3_over_1_allpass_32(
		const Word32 input, / i : input signal */
		const int16_t len, /* i : number of input samples */
		Word32 out, / o : output signal */
		Word32 mem / i/o: memory */
		);
		void Decimate_allpass_steep_fx32(
		const Word32 in, / i : input array of size N */
		Word32 mem, / i/o: memory */

lib_com/swb_tbe_com.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -308,7 +308,7 @@ void flip_and_downmix_generic_fx_32(
		tmpi2_I, /* o: Imag. component of HB */
		length, /* i: length of the spectra */
		1); /* i: HB transform stage */

		Copy32(tmp + length, mem1_ext, HILBERT_ORDER1);
		Copy32( mem2_ext+HILBERT_ORDER2, tmp_R, HILBERT_ORDER2 );
		Copy32( mem3_ext+HILBERT_ORDER2, tmp_I, HILBERT_ORDER2 );

lib_dec/ivas_core_dec.c

+98 −2

Original line number	Diff line number	Diff line
		@@ -851,14 +851,110 @@ ivas_error ivas_core_dec(

		if ( st->last_core == ACELP_CORE && ( st->core == TCX_20_CORE \|\| st->core == TCX_10_CORE \|\| st->core == HQ_CORE ) && st->hBWE_TD != NULL )
		{
		//Delete from here
		Word32 hb_synth_fx[CPE_CHANNELS][L_FRAME48k];
		FOR( int ch_ind = 0; ch_ind < n_channels; ch_ind++ )
		{
		FOR( int ind = 0; ind < L_FRAME48k; ind++ )
		{
		hb_synth_fx[ch_ind][ind] = (Word32) ( hb_synth[ch_ind][ind] * ( 1 << 11 ) );
		}
		}
		if ( st->hBWE_TD != NULL )
		{
		for ( int i = 0; i < L_SHB_LAHEAD; i++ )
		{
		st->hBWE_TD->syn_overlap_fx_32[i] = st->hBWE_TD->syn_overlap[i] * ( 1 << 11 );
		}
		for ( int i = 0; i < INTERP_3_2_MEM_LEN; i++ )
		{
		st->hBWE_TD->int_3_over_2_tbemem_dec_fx_32[i] = st->hBWE_TD->int_3_over_2_tbemem_dec[i] * ( 1 << 11 );
		}
		for ( int i = 0; i < HILBERT_MEM_SIZE; i++ )
		{
		st->hBWE_TD->genSHBsynth_Hilbert_Mem_fx[i] = st->hBWE_TD->genSHBsynth_Hilbert_Mem[i] * ( 1 << 11 );
		}
		for ( int i = 0; i < 2 * ALLPASSSECTIONS_STEEP; i++ )
		{
		st->hBWE_TD->genSHBsynth_state_lsyn_filt_shb_local_fx_32[i] = st->hBWE_TD->genSHBsynth_state_lsyn_filt_shb_local[i] * ( 1 << 11 );
		}
		for ( int i = 0; i < L_SHB_TRANSITION_LENGTH; i++ )
		{
		st->hBWE_TD->old_tbe_synth_fx_32[i] = st->hBWE_TD->old_tbe_synth[i] * ( 1 << 11 );
		}
		for ( int i = 0; i < 2 * ALLPASSSECTIONS_STEEP + 1; i++ )
		{
		st->hBWE_TD->mem_resamp_HB_32k_fx_32[i] = st->hBWE_TD->mem_resamp_HB_32k[i] * ( 1 << 11 );
		}
		for ( int i = 0; i < 2 * ALLPASSSECTIONS_STEEP + 1; i++ )
		{
		st->hBWE_TD->state_lsyn_filt_dwn_shb_fx_32[i] = st->hBWE_TD->state_lsyn_filt_dwn_shb[i] * ( 1 << 11 );
		st->hBWE_TD->state_lsyn_filt_shb_fx_32[i] = st->hBWE_TD->state_lsyn_filt_shb[i] * ( 1 << 11 );
		}
		for ( int i = 0; i < INTERP_3_1_MEM_LEN; i++ )
		{
		st->hBWE_TD->mem_resamp_HB_fx_32[i] = st->hBWE_TD->mem_resamp_HB[i] * ( 1 << 11 );
		}
		}
		//Delete till here


		if ( ( st->bwidth == SWB \|\| st->bwidth == FB ) && ( st->last_extl == SWB_TBE \|\| st->last_extl == FB_TBE ) )
		{
		GenTransition( st->hBWE_TD, hb_synth[n], output_Fs, st->element_mode, st->L_frame, st->rf_flag, st->total_brate );
		GenTransition_fixed( st->hBWE_TD, &hb_synth_fx[n], output_Fs, st->element_mode, st->L_frame, st->rf_flag, st->total_brate );
		}
		else if ( st->bwidth == WB && st->last_extl == WB_TBE )
		{
		GenTransition_WB( st->hBWE_TD, hb_synth[n], output_Fs );
		GenTransition_WB_fixed( st->hBWE_TD, &hb_synth_fx[n], output_Fs );

		move16();
		}

		// Delete from here
		FOR( int ch_ind = 0; ch_ind < n_channels; ch_ind++ )
		{
		FOR( int ind = 0; ind < L_FRAME48k; ind++ )
		{
		hb_synth[ch_ind][ind] = ( (float) hb_synth_fx[ch_ind][ind] / ( 1 << 11 ) );
		}
		}
		if ( st->hBWE_TD != NULL )
		{
		for ( int i = 0; i < L_SHB_LAHEAD; i++ )
		{
		st->hBWE_TD->syn_overlap[i] = (float) st->hBWE_TD->syn_overlap_fx_32[i] / ( 1 << 11 );
		}
		for ( int i = 0; i < INTERP_3_2_MEM_LEN; i++ )
		{
		st->hBWE_TD->int_3_over_2_tbemem_dec[i] = (float) st->hBWE_TD->int_3_over_2_tbemem_dec_fx_32[i] / ( 1 << 11 );
		}
		for ( int i = 0; i < HILBERT_MEM_SIZE; i++ )
		{
		st->hBWE_TD->genSHBsynth_Hilbert_Mem[i] = (float) st->hBWE_TD->genSHBsynth_Hilbert_Mem_fx[i] / ( 1 << 11 );
		}
		for ( int i = 0; i < 2 * ALLPASSSECTIONS_STEEP; i++ )
		{
		st->hBWE_TD->genSHBsynth_state_lsyn_filt_shb_local[i] = (float) st->hBWE_TD->genSHBsynth_state_lsyn_filt_shb_local_fx_32[i] / ( 1 << 11 );
		}
		for ( int i = 0; i < L_SHB_TRANSITION_LENGTH; i++ )
		{
		st->hBWE_TD->old_tbe_synth[i] = (float) st->hBWE_TD->old_tbe_synth_fx_32[i] / ( 1 << 11 );
		}
		for ( int i = 0; i < 2 * ALLPASSSECTIONS_STEEP + 1; i++ )
		{
		st->hBWE_TD->mem_resamp_HB_32k[i] = (float) st->hBWE_TD->mem_resamp_HB_32k_fx_32[i] / ( 1 << 11 );
		}
		for ( int i = 0; i < 2 * ALLPASSSECTIONS_STEEP + 1; i++ )
		{
		st->hBWE_TD->state_lsyn_filt_dwn_shb[i] = (float) st->hBWE_TD->state_lsyn_filt_dwn_shb_fx_32[i] / ( 1 << 11 );
		st->hBWE_TD->state_lsyn_filt_shb[i] = (float) st->hBWE_TD->state_lsyn_filt_shb_fx_32[i] / ( 1 << 11 );
		}
		for ( int i = 0; i < INTERP_3_1_MEM_LEN; i++ )
		{
		st->hBWE_TD->mem_resamp_HB[i] = (float) st->hBWE_TD->mem_resamp_HB_fx_32[i] / ( 1 << 11 );
		}
		}
		// Delete till here
		}

		/---------------------------------------------------------------------