Merge branch '2093_ref_PortMR2017_phase_ECU_burst_muting' into 'ivas-float-update' (59dbe57e) · Commits · SA4 / Audio / IVAS BASOP

lib_com/options.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -206,6 +206,7 @@
		#define FIX_1387_INIT_PRM_SQQ /* FhG: initialize pointer prm_sqQ, which might be uninitialized in case of bfi == 1 */
		#define NONBE_1296_TDREND_ITD_OUT_OF_BOUNDS_ACCESS /* Eri: issue 1296: ITD resampling can occasionally read out of bounds, especially when the requested subframes are short (1.25 ms). Seen for headtracking+JBM. */
		#define FIX_1349_TNS_CRASH /* FhG: Fix crash in TNS entropy coding, in case order of joint TNS coding is reduced to 0 */
		#define NONBE_FIX_1180_HQMDCT_PHECU_LT_MUTING /* Ericsson: issue 1180, corrected long term mute loop attnuation after 200ms in PhECU-PLC */

		// object-editing feature porting
		#define OBJ_EDITING_API /* object editing changes related to the API */

lib_dec/FEC_HQ_phase_ecu.c

+34 −6

Original line number	Diff line number	Diff line
		@@ -263,6 +263,9 @@ static void trans_ana(
		const int16_t time_offs, /* i : Time offset */
		const float est_mus_content, /* i : 0.0=speech_like ... 1.0=Music (==st->env_stab ) */
		const int16_t last_fec, /* i : signal that previous frame was concealed with fec_alg*/
		#ifdef NONBE_FIX_1180_HQMDCT_PHECU_LT_MUTING
		const int16_t element_mode, /* i : element_mode req to handle EVS_MONO specific BE path */
		#endif
		float alpha, / o : Magnitude modification factors for fade to average */
		float beta, / o : Magnitude modification factors for fade to average */
		float beta_mute, / o : Factor for long-term mute */
		@@ -416,10 +419,28 @@ static void trans_ana(
		{
		mag_chg[k] = 0;
		}

		#ifdef NONBE_FIX_1180_HQMDCT_PHECU_LT_MUTING
		if ( element_mode != EVS_MONO )
		{
		if ( k == 0 && burst_len > BETA_MUTE_THR ) /* beta_mute final long term attenuation adjusted only once per frame in the first sub-band, Ref Eq(184) in 26.447 */
		{
		beta_mute = BETA_MUTE_FAC;
		}
		}
		else
		{
		if ( burst_len > BETA_MUTE_THR ) /* legacy incorrect(too fast) EVS_MONO operation, still kept for BE. To be updated after EVS CR, ref Eq (184) in 26.447 */
		{
		beta_mute = BETA_MUTE_FAC;
		}
		}
		#else
		if ( burst_len > BETA_MUTE_THR )
		{
		beta_mute = BETA_MUTE_FAC;
		}
		#endif
		alpha[k] = mag_chg[k];
		beta[k] = (float) ( sqrt( 1.0f - SQR( alpha[k] ) ) * *beta_mute );
		if ( k >= LGW32k - 1 )
		@@ -2104,8 +2125,11 @@ static void hq_phase_ecu(
		*time_offs = 0;
		}
		#endif

		#ifdef NONBE_FIX_1180_HQMDCT_PHECU_LT_MUTING
		trans_ana( prevsynth + 2 * output_frame - Lprot - time_offs + ph_ecu_lookahead, mag_chg, &ph_dith, mag_chg_1st, output_frame, time_offs, env_stab, *last_fec, element_mode, alpha, beta, beta_mute, Xavg );
		#else
		trans_ana( prevsynth + 2 * output_frame - Lprot - time_offs + ph_ecu_lookahead, mag_chg, &ph_dith, mag_chg_1st, output_frame, time_offs, env_stab, *last_fec, alpha, beta, beta_mute, Xavg );
		#endif
		spec_ana( prevsynth + 2 * output_frame - Lprot - *time_offs + ph_ecu_lookahead, plocs, plocsi, num_p, X_sav, output_frame, bwidth, element_mode, &noise_fac, pcorr );

		if ( prev_bfi && *last_fec )
		@@ -2142,7 +2166,11 @@ static void hq_phase_ecu(
		#endif
		}

		#ifdef NONBE_FIX_1180_HQMDCT_PHECU_LT_MUTING
		trans_ana( prevsynth + 2 * output_frame - Lprot, mag_chg, &ph_dith, mag_chg_1st, output_frame, time_offs, env_stab, 0, element_mode, alpha, beta, beta_mute, Xavg ); / 1.0 stable-music, 0.0 speech-like */
		#else
		trans_ana( prevsynth + 2 * output_frame - Lprot, mag_chg, &ph_dith, mag_chg_1st, output_frame, time_offs, env_stab, 0, alpha, beta, beta_mute, Xavg ); / 1.0 stable-music, 0.0 speech-like */
		#endif
		}

		mvr2r( X_sav, X, Lprot );

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