diff options
Diffstat (limited to 'thirdparty/opus/silk/PLC.c')
| -rw-r--r-- | thirdparty/opus/silk/PLC.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/thirdparty/opus/silk/PLC.c b/thirdparty/opus/silk/PLC.c index fb6ea887b7..f89391651c 100644 --- a/thirdparty/opus/silk/PLC.c +++ b/thirdparty/opus/silk/PLC.c @@ -275,7 +275,7 @@ static OPUS_INLINE void silk_PLC_conceal( /* Reduce random noise for unvoiced frames with high LPC gain */ opus_int32 invGain_Q30, down_scale_Q30; - invGain_Q30 = silk_LPC_inverse_pred_gain( psPLC->prevLPC_Q12, psDec->LPC_order ); + invGain_Q30 = silk_LPC_inverse_pred_gain( psPLC->prevLPC_Q12, psDec->LPC_order, arch ); down_scale_Q30 = silk_min_32( silk_RSHIFT( (opus_int32)1 << 30, LOG2_INV_LPC_GAIN_HIGH_THRES ), invGain_Q30 ); down_scale_Q30 = silk_max_32( silk_RSHIFT( (opus_int32)1 << 30, LOG2_INV_LPC_GAIN_LOW_THRES ), down_scale_Q30 ); @@ -291,7 +291,7 @@ static OPUS_INLINE void silk_PLC_conceal( /* Rewhiten LTP state */ idx = psDec->ltp_mem_length - lag - psDec->LPC_order - LTP_ORDER / 2; - silk_assert( idx > 0 ); + celt_assert( idx > 0 ); silk_LPC_analysis_filter( &sLTP[ idx ], &psDec->outBuf[ idx ], A_Q12, psDec->ltp_mem_length - idx, psDec->LPC_order, arch ); /* Scale LTP state */ inv_gain_Q30 = silk_INVERSE32_varQ( psPLC->prevGain_Q16[ 1 ], 46 ); @@ -328,8 +328,10 @@ static OPUS_INLINE void silk_PLC_conceal( for( j = 0; j < LTP_ORDER; j++ ) { B_Q14[ j ] = silk_RSHIFT( silk_SMULBB( harm_Gain_Q15, B_Q14[ j ] ), 15 ); } - /* Gradually reduce excitation gain */ - rand_scale_Q14 = silk_RSHIFT( silk_SMULBB( rand_scale_Q14, rand_Gain_Q15 ), 15 ); + if ( psDec->indices.signalType != TYPE_NO_VOICE_ACTIVITY ) { + /* Gradually reduce excitation gain */ + rand_scale_Q14 = silk_RSHIFT( silk_SMULBB( rand_scale_Q14, rand_Gain_Q15 ), 15 ); + } /* Slowly increase pitch lag */ psPLC->pitchL_Q8 = silk_SMLAWB( psPLC->pitchL_Q8, psPLC->pitchL_Q8, PITCH_DRIFT_FAC_Q16 ); @@ -345,7 +347,7 @@ static OPUS_INLINE void silk_PLC_conceal( /* Copy LPC state */ silk_memcpy( sLPC_Q14_ptr, psDec->sLPC_Q14_buf, MAX_LPC_ORDER * sizeof( opus_int32 ) ); - silk_assert( psDec->LPC_order >= 10 ); /* check that unrolling works */ + celt_assert( psDec->LPC_order >= 10 ); /* check that unrolling works */ for( i = 0; i < psDec->frame_length; i++ ) { /* partly unrolled */ /* Avoids introducing a bias because silk_SMLAWB() always rounds to -inf */ |