create macro to test evs-precision in ivas-case (62ce3743) · Commits · SA4 / Audio / IVAS BASOP

lib_enc/fd_cng_enc_fx.c

+27 −9

Original line number	Diff line number	Diff line
		@@ -1941,7 +1941,7 @@ void perform_noise_estimation_enc_ivas_fx(
		* Generate a bitstream out of the partition levels
		-------------------------------------------------------------------/
		#ifdef FIX_2489_HARMONIZE_FdCng_encodeSID
		#define FIX_2489_HARMONIZE_FdCng_encodeSID_IVASHP /* FhG: check FdCng_encodeSID higher precision in IVAS case - development */
		#define FIX_2489_HARMONIZE_FdCng_encodeSID_IVASHP /* FhG: activate FdCng_encodeSID higher precision in IVAS case - development */
		void FdCng_encodeSID_fx(
		Encoder_State corest / i/o: encoder state structure */
		)
		@@ -1972,7 +1972,10 @@ void FdCng_encodeSID_fx(

		/* Convert to LOG */
		e_fx = L_deposit_l( 0 );

		#ifdef FIX_2489_HARMONIZE_FdCng_encodeSID_IVASHP
		IF( element_mode == 0 )
		#endif
		{
		Word16 normShiftN = BASOP_util_norm_s_bands2shift( N );
		Word16 normFacN = getNormReciprocalWord16( N );
		@@ -1989,6 +1992,7 @@ void FdCng_encodeSID_fx(
		}
		e_fx = L_shl( Mpy_32_16_1( e_fx, shl( normFacN, sub( normShiftN, 1 ) ) ), 1 );
		}
		#ifdef FIX_2489_HARMONIZE_FdCng_encodeSID_IVASHP
		ELSE
		{
		set_zero_fx( v_fx, FDCNG_VQ_MAX_LEN );
		@@ -2008,12 +2012,15 @@ void FdCng_encodeSID_fx(
		e_fx = L_add( e_fx, L_shr( v_fx[i], 1 ) ); // Q19, add one bit headroom
		}
		}
		#endif

		/* Normalize MSVQ input */

		gain_fx = 0;
		move32();
		#ifdef FIX_2489_HARMONIZE_FdCng_encodeSID_IVASHP
		IF( element_mode == 0 )
		#endif
		{
		Word16 normFacGain = getNormReciprocalWord16( N_GAIN_MAX - N_GAIN_MIN );
		Word16 normShiftGain = BASOP_util_norm_s_bands2shift( N_GAIN_MAX - N_GAIN_MIN );
		@@ -2024,6 +2031,7 @@ void FdCng_encodeSID_fx(
		}
		gain_fx = L_shl( Mpy_32_16_1( gain_fx, shl( normFacGain, sub( normShiftGain, 1 ) ) ), 1 );
		}
		#ifdef FIX_2489_HARMONIZE_FdCng_encodeSID_IVASHP
		ELSE
		{
		FOR( i = N_GAIN_MIN; i < N_GAIN_MAX; i++ )
		@@ -2040,6 +2048,7 @@ void FdCng_encodeSID_fx(
		move32();
		}
		}
		#endif

		/MSVQ/
		IF( element_mode == 0 )
		@@ -2098,7 +2107,9 @@ void FdCng_encodeSID_fx(
		}

		/* Compute gain */
		#ifdef FIX_2489_HARMONIZE_FdCng_encodeSID_IVASHP
		IF( element_mode == 0 )
		#endif
		{
		Word16 normShiftN = BASOP_util_norm_s_bands2shift( N );
		Word16 normFacN = getNormReciprocalWord16( N );
		@@ -2109,12 +2120,8 @@ void FdCng_encodeSID_fx(
		gain_fx = L_add( gain_fx, L_shr( v_fx[i], normShiftN ) );
		}
		gain_fx = L_sub( e_fx, L_shl( Mpy_32_16_1( gain_fx, shl( normFacN, sub( normShiftN, 1 ) ) ), 1 ) );

		/* Apply bitrate-dependant scale */
		{
		apply_scale( &gain_fx, hFdCngCom->CngBandwidth, hFdCngCom->CngBitrate, scaleTableMono, SIZE_SCALE_TABLE_MONO );
		}
		}
		#ifdef FIX_2489_HARMONIZE_FdCng_encodeSID_IVASHP
		ELSE
		{
		Word16 v_e = sub( 31, sub( 20, find_guarded_bits_fx( N ) ) );
		@@ -2127,25 +2134,32 @@ void FdCng_encodeSID_fx(
		e_fx = L_shl( e_fx, sub( 12, v_e ) ); // Q = 31 - v_e
		gain_fx = Mpy_32_16_1( L_sub( e_fx, gain_fx ), div_s( 1, N ) ); // Q = 31 - v_e
		gain_fx = L_shl( gain_fx, sub( v_e, 8 ) ); // Q23
		}
		#endif

		/* Apply bitrate-dependant scale */
		apply_scale( &gain_fx, hFdCngCom->CngBandwidth, hFdCngCom->CngBitrate, scaleTableStereo, SIZE_SCALE_TABLE_STEREO );
		}
		apply_scale( &gain_fx, hFdCngCom->CngBandwidth, hFdCngCom->CngBitrate,
		( element_mode == 0 ) ? ( scaleTableMono ) : ( scaleTableStereo ),
		( element_mode == 0 ) ? ( SIZE_SCALE_TABLE_MONO ) : ( SIZE_SCALE_TABLE_STEREO ) );


		/* Quantize gain */
		#ifdef FIX_2489_HARMONIZE_FdCng_encodeSID_IVASHP
		IF( element_mode == 0 )
		#endif
		{
		/Q14.23 format /
		gain_fx = L_add( gain_fx, L_shr( gain_fx, 1 ) );
		gain_fx = L_add( gain_fx, 507510784l /60.5 Q23/ );
		index = extract_l( L_shr( gain_fx, WORD32_BITS - 1 - 8 ) );
		}
		#ifdef FIX_2489_HARMONIZE_FdCng_encodeSID_IVASHP
		ELSE
		{
		temp = Madd_32_32( L_shl( GAIN_Q_OFFSET_IVAS_FX_Q0, 22 ), gain_fx, 1610612736 /1.5 in Q30/ ); // Q22
		index = extract_l( L_shr( L_add( temp, ONE_IN_Q21 ), 22 ) ); // Q0
		}
		#endif

		if ( index < 0 )
		{
		@@ -2160,7 +2174,9 @@ void FdCng_encodeSID_fx(
		}

		/* Apply gain and undo log */
		#ifdef FIX_2489_HARMONIZE_FdCng_encodeSID_IVASHP
		IF( element_mode == 0 )
		#endif
		{
		Word32 E_ExpLd64;
		/* gain Q14.23 format */
		@@ -2203,6 +2219,7 @@ void FdCng_encodeSID_fx(
		move32();
		}
		}
		#ifdef FIX_2489_HARMONIZE_FdCng_encodeSID_IVASHP
		ELSE
		{
		Word16 v_e = sub( 31, sub( 20, find_guarded_bits_fx( N ) ) );
		@@ -2224,6 +2241,7 @@ void FdCng_encodeSID_fx(
		move32();
		}
		}
		#endif

		/* NB last band energy compensation */
		IF( EQ_16( hFdCngCom->CngBandwidth, NB ) )