gaeci.h

TI公司DSP/tms320c55x/tms320c54x系列的声学回声消除代码

/*---------------------------------------------------------------------*
 *                                                                     *
 * THIS IS AN UNPUBLISHED WORK CONTAINING CONFIDENTIAL AND PROPRIETARY *
 * INFORMATION.  IF PUBLICATION OCCURS, THE FOLLOWING NOTICE APPLIES:  *
 *     "COPYRIGHT 2003 MICHAEL TSIROULNIKOV, ALL RIGHTS RESERVED"      *
 *                                                                     *
 *---------------------------------------------------------------------*/
#ifndef _gaeci_h 
#define _gaeci_h 


#include "stddefs.h"
#include "gaec_miket.h"

#define _DSK_VER			(1)
#define _DSK_LIM			(0)

/*--------------------- local defs ------------------------------------*/

#ifndef Q15
#define Q15(x)              ((S16)(32768.*(x)))
#endif

#define GAEC_FR_SZ          (IGAEC_FR_SZ)
/* there is a delay for a frame in each of RxIn/ TxOut devices.
   1 frame is compensated by update of the delay line after adaptation */
//#define GAEC_IO_FRAMES      (2)
#define GAEC_BANDS          (10)
#define GAEC_BLK_SZ         (GAEC_BANDS)
#define GAEC_BLKS           (IGAEC_FR_SZ/GAEC_BANDS)
#define GAEC_LFCTR          (6)

#define GAEC_FBS_SZ         (GAEC_BANDS*GAEC_LFCTR)
#define GAEC_FBZ_SZ         (GAEC_BANDS*GAEC_LFCTR)
#define GAEC_FBR_SZ         (90)

#define GAEC_SBUF_SZ        (GAEC_FBS_SZ+GAEC_FR_SZ-GAEC_BLK_SZ)
#define GAEC_RBUF_SZ        (GAEC_FBR_SZ+GAEC_FR_SZ-GAEC_BLK_SZ)
#define GAEC_TBUF_SZ        (GAEC_SBUF_SZ)

#define GAEC_ERR_SZ         (GAEC_LFCTR + GAEC_BLKS - 1)
#define GAEC_SND_SZ         (GAEC_BLKS)

#define GAEC_SECTION_SZ     (GAEC_BLKS*2)                  /* corresponds to 10ms */
#define GAEC_ADF_SZ         (GAEC_SECTION_SZ*GAEC_MIKET_ETL10MS) /* must be dividable by 8 (->10ms) */
#define GAEC_ADF_BSZ        (GAEC_ADF_SZ-1) 
#define GAEC_RCV_SZ         (GAEC_ADF_BSZ+GAEC_BLKS)

#define GAEC_SECTIONS4      (GAEC_ADF_SZ/GAEC_SECTION_SZ)
#define GAEC_SECTIONS3      (GAEC_SECTIONS4)
#define GAEC_SECTIONS2      (GAEC_SECTIONS4)
#define GAEC_SECTIONSDT     (GAEC_ADF_SZ/GAEC_SECTION_SZ)
#define GAEC_OFF2           (0)
#define GAEC_OFF3           (0)
#define GAEC_OFF4           (0)

#define GAEC_DB(x)          ((S16)(x*170))

#define GAEC_ADEN           (((S32)GAEC_ADF_SZ) << 12)
#define GAEC_ADF_FRS        (1+GAEC_ADF_SZ/GAEC_BLKS)

#define GAEC_EPC_MAXD       (50)
#define GAEC_EPC_MIND       (GAEC_EPC_MAXD/4)
#define GAEC_EPC_SSZ        (GAEC_EPC_MAXD)
#define GAEC_EPC_SZ         (GAEC_EPC_SSZ + GAEC_FR_SZ/2)
#define GAEC_FLATEN_SZ		(8)
#define GAEC_ERLE_MAX		(GAEC_DB(40)) /* 1% of distortions */

                            
#define GAEC_NLP_MODE_CLEAR (0)
#define GAEC_NLP_MODE_MODIFY (1)
#define GAEC_NLP_MODE_PASS  (2)

// 3db->512=2^9, 512*8=2^12
// common detector defs
#define GAEC_CRIT_MRGN      GAEC_DB(20.0)
#define GAEC_CRIT_SHFT      (12)
#define GAEC_CRIT_MAX       (GAEC_DB(30.0))
#define GAEC_CRIT_MIN       (GAEC_DB(-6.0))

// vad specfic definitions
#define GAEC_VAD_CRIT_THR   GAEC_DB(3.0)
#define GAEC_VAD_NSE_MAX    GAEC_DB(-38.0)
#define GAEC_VAD_NSE_MIN    GAEC_DB(-77.0)

#define GAEC_TMP_SZ         (GAEC_FBR_SZ/2)

typedef struct GAEC_tDb
{
    /* pointers */
    S16     *psRcv;
    S16     *psAdf;
    S16     *psAdfM;
#if !defined(__TMS320C55X__)    /* i.e. c54x */
    S16		filler;
#endif

// S32 data
    S32     slRoutSav;
    S32     slSoutSav;
    S32     slSepcSav;
    S32     aslRkSav1       [6];
    S32     aslRkSav2       [6];
    S32     aslEn2          [GAEC_BANDS+1];
    S32     aslEn3          [GAEC_BANDS+1];
    S32     aslEn4          [GAEC_BANDS+1];
    S32     aslAdEn         [GAEC_BANDS+1];
    S32     aslAdEnM        [GAEC_BANDS+1];
    S32     aslNrPrior      [GAEC_BANDS+1];

    S32     aslEpcRcv       [GAEC_EPC_MAXD];
    S32     aslEpcSnd       [GAEC_EPC_MAXD];
    S16     asEpcRcvIn      [GAEC_EPC_SZ];
    S16     asEpcSndIn      [GAEC_EPC_SZ];

    S16     asNrCoef        [GAEC_BANDS+1];
    S16		asShft			[GAEC_BANDS+1];

    S16     asTdSav         [5];
    S16     asRbuf          [GAEC_RBUF_SZ];
    S16     asSbuf          [GAEC_SBUF_SZ];
    S16     aasErrSav       [GAEC_BANDS*2][GAEC_ERR_SZ];

    S16     asTbuf          [GAEC_TBUF_SZ];
    S16     aasT            [GAEC_BANDS*2][GAEC_ERR_SZ];

    S16     asExpectedErrEn [GAEC_BANDS+1];
    S16     sExpectedErrEn;
    S16     asErleAv        [GAEC_BANDS+1];
    S16     sErleAv;
    S16     asErlAv         [GAEC_BANDS+1];
    S16     sErlAv;
    S16     asDtCrit        [GAEC_BANDS+1];
    S16     sDtCrit;
    S16     asErlCrit       [GAEC_BANDS+1];
    S16     sErlCrit;
    S16     asDerle         [GAEC_BANDS+1];

    S16     asVadErrNse     [GAEC_BANDS+1];
    S16     sVadErrNse;
    S16     asVadErrCrit    [GAEC_BANDS+1];
    S16     sVadErrCrit;

    S16     asVadRinCrit    [GAEC_BANDS+1];
    S16     sVadRinCrit;
    S16     asVadRinNse     [GAEC_BANDS+1];
    S16     sVadRinNse;


// correction
    S16     sRinSav;
    S16     sSinSav;

// echo path change    
    S16     sEpcXcr;
    S16     sEpcCrit;

// rcv analysis
    S16     sToneCnt;
    U16     uIsTone;
    S16     asRinEnHst      [7];


// adf ctrl
    U16     uAdfMode;
    S16     sConvAcc;
    S16     sConvEnCnt;

// dtd
	U16     uIsDT;

// nlp
    S16     sNseSav;

// max coef
	S16		sMaxCoefBand;
	S16		sMaxCoef;
	S16		sMaxCoefAv;


// common
    U16     uControl;
    S16     sVolume;

// Adf Rcv Out energy history
	S16		asFlatRoutEnHst	[GAEC_FLATEN_SZ];
    S16     asRoutEnHst     [GAEC_ADF_FRS];
    S16     aasRoutEnHst    [GAEC_BANDS+1][GAEC_ADF_FRS];

    GAEC_MIKET_tStts Stts;

    IGAEC_tCfg Cfg;

#if _DSK_LIM
	U32		ulLimCnt;
#endif	
} GAEC_tDb;

typedef struct  {
    S32     aslRk		    [6];
    S32     aslRkTx		    [6];
    S32     aslG            [6];
    S16     asF             [6];
    S16     asK             [6];
    S16     asRk		    [6]; // 54

    S16     sJ0;
    U16     uIsSingular;

    U16     uLow;
    U16     uHigh;
    U16     uEven;
    U16     uEdge;      // 6

    S16     asTdBuf         [GAEC_FR_SZ+5]; // 45 ... that can be hidden, if 16 words are worth it
    U16     filler; // add to make size even
} GAEC_tScRcv; // 106

typedef struct {
    S32 slSig;
    S32 slNse;
    S32 slEst;
    S16 sSig;
    S16 sCoef;
} GAEC_tScNr;

typedef struct {
    S16 sTx;
    S16 sErrI;
    S16 sErrQ;
    S16 sDexp;
} GAEC_tScA2;

typedef struct {
    S16 sTx;
    S16 asErr[GAEC_BLKS];
    S16 sDexp;
} GAEC_tScA3;

typedef struct {
    S16 sTx;
    S16 asErr[GAEC_BLKS*2];