/*********************************************************************** Copyright (c) 2006-2011, Skype Limited. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. - Neither the name of Internet Society, IETF or IETF Trust, nor the names of specific contributors, may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ***********************************************************************/ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "main.h" #include "stack_alloc.h" #include "NSQ.h" static OPUS_INLINE void silk_nsq_scale_states( const silk_encoder_state *psEncC, /* I Encoder State */ silk_nsq_state *NSQ, /* I/O NSQ state */ const opus_int16 x16[], /* I input */ opus_int32 x_sc_Q10[], /* O input scaled with 1/Gain */ const opus_int16 sLTP[], /* I re-whitened LTP state in Q0 */ opus_int32 sLTP_Q15[], /* O LTP state matching scaled input */ opus_int subfr, /* I subframe number */ const opus_int LTP_scale_Q14, /* I */ const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I */ const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag */ const opus_int signal_type /* I Signal type */ ); #if !defined(OPUS_X86_MAY_HAVE_SSE4_1) static OPUS_INLINE void silk_noise_shape_quantizer( silk_nsq_state *NSQ, /* I/O NSQ state */ opus_int signalType, /* I Signal type */ const opus_int32 x_sc_Q10[], /* I */ opus_int8 pulses[], /* O */ opus_int16 xq[], /* O */ opus_int32 sLTP_Q15[], /* I/O LTP state */ const opus_int16 a_Q12[], /* I Short term prediction coefs */ const opus_int16 b_Q14[], /* I Long term prediction coefs */ const opus_int16 AR_shp_Q13[], /* I Noise shaping AR coefs */ opus_int lag, /* I Pitch lag */ opus_int32 HarmShapeFIRPacked_Q14, /* I */ opus_int Tilt_Q14, /* I Spectral tilt */ opus_int32 LF_shp_Q14, /* I */ opus_int32 Gain_Q16, /* I */ opus_int Lambda_Q10, /* I */ opus_int offset_Q10, /* I */ opus_int length, /* I Input length */ opus_int shapingLPCOrder, /* I Noise shaping AR filter order */ opus_int predictLPCOrder, /* I Prediction filter order */ int arch /* I Architecture */ ); #endif void silk_NSQ_c ( const silk_encoder_state *psEncC, /* I Encoder State */ silk_nsq_state *NSQ, /* I/O NSQ state */ SideInfoIndices *psIndices, /* I/O Quantization Indices */ const opus_int16 x16[], /* I Input */ opus_int8 pulses[], /* O Quantized pulse signal */ const opus_int16 PredCoef_Q12[ 2 * MAX_LPC_ORDER ], /* I Short term prediction coefs */ const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ], /* I Long term prediction coefs */ const opus_int16 AR_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ], /* I Noise shaping coefs */ const opus_int HarmShapeGain_Q14[ MAX_NB_SUBFR ], /* I Long term shaping coefs */ const opus_int Tilt_Q14[ MAX_NB_SUBFR ], /* I Spectral tilt */ const opus_int32 LF_shp_Q14[ MAX_NB_SUBFR ], /* I Low frequency shaping coefs */ const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I Quantization step sizes */ const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lags */ const opus_int Lambda_Q10, /* I Rate/distortion tradeoff */ const opus_int LTP_scale_Q14 /* I LTP state scaling */ ) { … } /******************************/ /* silk_noise_shape_quantizer */ /******************************/ #if !defined(OPUS_X86_MAY_HAVE_SSE4_1) static OPUS_INLINE #endif void silk_noise_shape_quantizer( silk_nsq_state *NSQ, /* I/O NSQ state */ opus_int signalType, /* I Signal type */ const opus_int32 x_sc_Q10[], /* I */ opus_int8 pulses[], /* O */ opus_int16 xq[], /* O */ opus_int32 sLTP_Q15[], /* I/O LTP state */ const opus_int16 a_Q12[], /* I Short term prediction coefs */ const opus_int16 b_Q14[], /* I Long term prediction coefs */ const opus_int16 AR_shp_Q13[], /* I Noise shaping AR coefs */ opus_int lag, /* I Pitch lag */ opus_int32 HarmShapeFIRPacked_Q14, /* I */ opus_int Tilt_Q14, /* I Spectral tilt */ opus_int32 LF_shp_Q14, /* I */ opus_int32 Gain_Q16, /* I */ opus_int Lambda_Q10, /* I */ opus_int offset_Q10, /* I */ opus_int length, /* I Input length */ opus_int shapingLPCOrder, /* I Noise shaping AR filter order */ opus_int predictLPCOrder, /* I Prediction filter order */ int arch /* I Architecture */ ) { … } static OPUS_INLINE void silk_nsq_scale_states( const silk_encoder_state *psEncC, /* I Encoder State */ silk_nsq_state *NSQ, /* I/O NSQ state */ const opus_int16 x16[], /* I input */ opus_int32 x_sc_Q10[], /* O input scaled with 1/Gain */ const opus_int16 sLTP[], /* I re-whitened LTP state in Q0 */ opus_int32 sLTP_Q15[], /* O LTP state matching scaled input */ opus_int subfr, /* I subframe number */ const opus_int LTP_scale_Q14, /* I */ const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I */ const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag */ const opus_int signal_type /* I Signal type */ ) { … }
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