From 14c6bb798d6bebc80f07e863236adbaf8d156a9c Mon Sep 17 00:00:00 2001 From: William Wilgus Date: Fri, 4 Jan 2019 02:01:18 -0600 Subject: Sync opus codec to upstream git Change-Id: I0cfcc0005c4ad7bfbb1aaf454188ce70fb043dc1 --- lib/rbcodec/codecs/libopus/silk/PLC.c | 28 +++++++++++++++++----------- 1 file changed, 17 insertions(+), 11 deletions(-) (limited to 'lib/rbcodec/codecs/libopus/silk/PLC.c') diff --git a/lib/rbcodec/codecs/libopus/silk/PLC.c b/lib/rbcodec/codecs/libopus/silk/PLC.c index 8b0a8fe57d..f89391651c 100644 --- a/lib/rbcodec/codecs/libopus/silk/PLC.c +++ b/lib/rbcodec/codecs/libopus/silk/PLC.c @@ -46,7 +46,8 @@ static OPUS_INLINE void silk_PLC_update( static OPUS_INLINE void silk_PLC_conceal( silk_decoder_state *psDec, /* I/O Decoder state */ silk_decoder_control *psDecCtrl, /* I/O Decoder control */ - opus_int16 frame[] /* O LPC residual signal */ + opus_int16 frame[], /* O LPC residual signal */ + int arch /* I Run-time architecture */ ); @@ -65,7 +66,8 @@ void silk_PLC( silk_decoder_state *psDec, /* I/O Decoder state */ silk_decoder_control *psDecCtrl, /* I/O Decoder control */ opus_int16 frame[], /* I/O signal */ - opus_int lost /* I Loss flag */ + opus_int lost, /* I Loss flag */ + int arch /* I Run-time architecture */ ) { /* PLC control function */ @@ -78,7 +80,7 @@ void silk_PLC( /****************************/ /* Generate Signal */ /****************************/ - silk_PLC_conceal( psDec, psDecCtrl, frame ); + silk_PLC_conceal( psDec, psDecCtrl, frame, arch ); psDec->lossCnt++; } else { @@ -192,7 +194,8 @@ static OPUS_INLINE void silk_PLC_energy(opus_int32 *energy1, opus_int *shift1, o static OPUS_INLINE void silk_PLC_conceal( silk_decoder_state *psDec, /* I/O Decoder state */ silk_decoder_control *psDecCtrl, /* I/O Decoder control */ - opus_int16 frame[] /* O LPC residual signal */ + opus_int16 frame[], /* O LPC residual signal */ + int arch /* I Run-time architecture */ ) { opus_int i, j, k; @@ -272,7 +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 ); @@ -288,8 +291,8 @@ 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 ); - silk_LPC_analysis_filter( &sLTP[ idx ], &psDec->outBuf[ idx ], A_Q12, psDec->ltp_mem_length - idx, psDec->LPC_order ); + 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 ); inv_gain_Q30 = silk_min( inv_gain_Q30, silk_int32_MAX >> 1 ); @@ -325,8 +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 ); @@ -342,7 +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 */ @@ -362,7 +367,8 @@ static OPUS_INLINE void silk_PLC_conceal( } /* Add prediction to LPC excitation */ - sLPC_Q14_ptr[ MAX_LPC_ORDER + i ] = silk_ADD_LSHIFT32( sLPC_Q14_ptr[ MAX_LPC_ORDER + i ], LPC_pred_Q10, 4 ); + sLPC_Q14_ptr[ MAX_LPC_ORDER + i ] = silk_ADD_SAT32( sLPC_Q14_ptr[ MAX_LPC_ORDER + i ], + silk_LSHIFT_SAT32( LPC_pred_Q10, 4 )); /* Scale with Gain */ frame[ i ] = (opus_int16)silk_SAT16( silk_SAT16( silk_RSHIFT_ROUND( silk_SMULWW( sLPC_Q14_ptr[ MAX_LPC_ORDER + i ], prevGain_Q10[ 1 ] ), 8 ) ) ); -- cgit v1.2.3