possible fix for 2312, condition missing in GSC-dec (3b65ce59) · Commits · SA4 / Audio / IVAS BASOP

lib_com/gs_gains_fx.c

+41 −31

Original line number	Diff line number	Diff line
		@@ -1193,7 +1193,10 @@ Word16 gsc_gaindec_ivas_fx( /* o : average frequenc
		--------------------------------------------------------------------------------------/
		idx_g_fx = (Word16) get_next_indice_fx( st_fx, 5 );
		VDQ_vec_fx( y_gainQ_fx, YGain_mean_LR_fx, YGain_dic1_LR_fx, idx_g_fx, 3 );

		#ifdef FIX_2312_CONDITION_MISSING_GSC_DEC_LR
		IF( !( coder_type == INACTIVE && st_fx->tdm_LRTD_flag == 0 && EQ_16( st_fx->idchan, 1 ) ) \|\| GT_32( st_fx->core_brate, GSC_LRES_GAINQ_LIMIT ) )
		{
		#endif
		idx_g_fx = (Word16) get_next_indice_fx( st_fx, 5 );
		VDQ_vec_fx( y_gainQ_fx + 3, YGain_mean_LR_fx + 3, YGain_dic2_LR_fx, idx_g_fx, 4 );

		@@ -1232,6 +1235,13 @@ Word16 gsc_gaindec_ivas_fx( /* o : average frequenc
		move16();
		y_gainQ_fx[14] = y_gain_tmp3_fx[3]; /Q12/
		move16();
		#ifdef FIX_2312_CONDITION_MISSING_GSC_DEC_LR
		}
		ELSE
		{
		set16_fx( y_gainQ_fx + 3, 0, MBANDS_GN16k - 3 );
		}
		#endif
		}
		ELSE
		{

+1 −1

Original line number	Diff line number	Diff line
		@@ -133,7 +133,7 @@
		#define FIX_2285_CODE_DECODER_INIT_BW /* VA: basop issue 2285: fix core-decoder initialization bandwidth */
		#define FIX_2306_MISSING_UPDATE_LOWRATE_PITCH_GAIN /* Dolby: Fix missing update of low-rate pitch gain in the S/M classifier */
		#define FIX_2297_SBA_SCALING_32KHZ /* VA: basop issue 2297: Fix scaling factor before the SBA decoder for output_Fs = 32 or 16 */

		#define FIX_2312_CONDITION_MISSING_GSC_DEC_LR /* VA: basop issue 2297: addition of condition missing in the GSC gain decoder at low-rate */
		/* ##################### End NON-BE switches ########################### */

		/* ################## End MAINTENANCE switches ######################### */