/*This software module was originally developed byToshiyuki Nomura (NEC Corporation)and edited byin the course of development of theMPEG-2 NBC/MPEG-4 Audio standard ISO/IEC 13818-7, 14496-1,2 and 3.This software module is an implementation of a part of one or moreMPEG-2 NBC/MPEG-4 Audio tools as specified by the MPEG-2 NBC/MPEG-4 Audiostandard. ISO/IEC  gives users of the MPEG-2 NBC/MPEG-4 Audio standardsfree license to this software module or modifications thereof for use inhardware or software products claiming conformance to the MPEG-2 NBC/MPEG-4 Audio  standards. Those intending to use this software module inhardware or software products are advised that this use may infringeexisting patents. The original developer of this software module andhis/her company, the subsequent editors and their companies, and ISO/IEChave no liability for use of this software module or modificationsthereof in an implementation. Copyright is not released for nonMPEG-2 NBC/MPEG-4 Audio conforming products. The original developerretains full right to use the code for his/her  own purpose, assign ordonate the code to a third party and to inhibit third party from usingthe code for non MPEG-2 NBC/MPEG-4 Audio conforming products.This copyright notice must be included in all copies or derivative works.Copyright (c)1996.*/#ifndef nec_abs_proto_h_#define nec_abs_proto_h_#include "lpc_common.h"#ifdef __cplusplusextern "C" {#endifvoid nec_mp_config(		   long len,		/* input */		   long tgt_bit,	/* input */		   long *pos_bit,	/* output */		   long *sgn_bit );	/* output */void nec_abs_excitation_analysis (	float InputSignal[],		/* input */	float LpcCoef[],		/* input */	float WnumCoef[],		/* input */	float WdenCoef[],		/* input */	long  shape_indices[],		/* output */	long  gain_indices[],		/* output */	long  *rms_index,		/* output */	long  *signal_mode,		/* output */	float decoded_excitation[],	/* output */	long  lpc_order,		/* configuration input */	long  frame_size, 		/* configuration input */	long  sbfrm_size, 		/* configuration input */	long  n_subframes,		/* configuration input */	long  frame_bit_allocation[],	/* configuration input */	long  num_shape_cbks,		/* configuration input */	long  num_gain_cbks,		/* configuration input */	long  n_enhstages,		/* configuration input */	float bws_mp_exc[],        long SampleRateMode );void nec_bws_excitation_analysis(	float InputSignal[],		/* input */	float LpcCoef[],		/* input */	float WnumCoef[],		/* input */	float WdenCoef[],		/* input */	long  shape_indices[],		/* output */	long  gain_indices[],		/* output */	float decoded_excitation[],	/* output */	long  lpc_order,		/* configuration input */	long  sbfrm_size, 		/* configuration input */	long  n_subframes,		/* configuration input */	long  frame_bit_allocation[],	/* configuration input */	long  num_shape_cbks,		/* configuration input */	long  num_gain_cbks,		/* configuration input */	float bws_mp_exc[],		/* input */	long  *acb_index_8,		/* input */	long  rms_index,		/* input */	long  signal_mode		/* input */);void nec_abs_excitation_generation(	float LpcCoef[],		/* input */	unsigned long  shape_indices[],	/* input */	unsigned long  gain_indices[],	/* input */	unsigned long  rms_index,	/* input */	unsigned long  signal_mode,	/* input */	float decoded_excitation[],	/* output */	float *adapt_gain,		/* output */	long  *acb_delay,		/* output */	long  lpc_order,		/* configuration input */	long  sbfrm_size, 		/* configuration input */	long  n_subframes,		/* configuration input */	long  frame_bit_allocation[],	/* configuration input */	long  num_shape_cbks,		/* configuration input */	long  num_gain_cbks,		/* configuration input */	long  d_enhstages,		/* configuration input */	float bws_mp_exc[],	long postfilter,        long SampleRateMode);void nec_bws_excitation_generation(	float LpcCoef[],		/* input */	unsigned long  shape_indices[],		/* input */	unsigned long  gain_indices[],		/* input */	unsigned long  rms_index,		/* input */	unsigned long  signal_mode,		/* input */	float decoded_excitation[],	/* output */	float *adapt_gain,		/* output */	long  *acb_delay,		/* output */	long  lpc_order,		/* configuration input */	long  sbfrm_size, 		/* configuration input */	long  n_subframes,		/* configuration input */	long  frame_bit_allocation[],	/* configuration input */	long  num_shape_cbks,		/* configuration input */	long  num_gain_cbks,		/* configuration input */	float bws_mp_exc[],	long acb_idx_8[],	long postfilter);void nec_bws_lsp_decoder(		     unsigned long indices[],	/* input  */		     float qlsp8[],		/* input  */		     float qlsp[],		/* output  */		     long lpc_order,		/* configuration input */		     long lpc_order_8 );	/* configuration input */void nec_bws_lsp_quantizer(		       float lsp[],		/* input  */		       float qlsp8[],		/* input  */		       float qlsp[],		/* output  */		       long indices[],		/* output  */		       long frame_bit_allocation[], /* configuration input */		       long lpc_order,		/* configuration input */		       long lpc_order_8,	/* configuration input */		       long num_lpc_indices); 	/* configuration input */void nec_lpf_down( float xin[], float xout[], int len ); #ifdef __cplusplus}#endif#endif