Commit 3b9fb3d1 authored by norvell's avatar norvell Committed by Sandesh Venkatesh
Browse files

Change FIX_732 to only address noise floor in msPeriodog calculation

parent 9460d05a

lib_dec/fd_cng_dec_fx.c

+29 −27
Original line number Diff line number Diff line
@@ -1117,11 +1117,7 @@ Word16 ApplyFdCng_fx( 
                        *cngNoiseLevel_exp = hFdCngCom->sidNoiseEstExp;

                        move16();

                    }

#ifdef FIX_732

                    s2 = ( sub( WORD32_BITS, 1 ) );

#else

                    s2 = -( ( WORD32_BITS - 1 ) );

#endif

                    move16();

                    /* Shape the SID noise levels in each FFT bin */

                    j = 0;
@@ -1161,11 +1157,7 @@ Word16 ApplyFdCng_fx( 
                            facTabExp[k] = -( ( WORD32_BITS - 1 ) );

                            move16();

                        }

#ifdef FIX_732

                        s2 = s_min( s2, facTabExp[k] );

#else

                        s2 = s_max( s2, facTabExp[k] );

#endif

                    }

                    if ( EQ_16( s2, -31 ) )

                    {
@@ -1178,11 +1170,7 @@ Word16 ApplyFdCng_fx( 
                        s = s_max( s_min( s, ( WORD32_BITS - 1 ) ), -( ( WORD32_BITS - 1 ) ) );

                        FOR( ; j <= hFdCngCom->part[k]; j++ )

                        {

#ifdef FIX_732

                            cngNoiseLevel[j] = L_shl_sat( Mpy_32_16_1( hFdCngDec->bandNoiseShape[j], facTab[k] ), s ); /*Q31 - hFdCngDec->bandNoiseShape_exp*/

#else

                            cngNoiseLevel[j] = L_shl( Mpy_32_16_1( hFdCngDec->bandNoiseShape[j], facTab[k] ), s ); /*Q31 - hFdCngDec->bandNoiseShape_exp*/

#endif

                            move32();

                        }

                    }
@@ -1220,11 +1208,7 @@ Word16 ApplyFdCng_fx( 
            {

                IF( !( LT_16( hFdCngCom->msFrCnt_init_counter, hFdCngCom->msFrCnt_init_thresh ) ) )

                {

#ifdef FIX_732

                    s2 = ( sub( WORD32_BITS, 1 ) );

#else

                    s2 = -( ( WORD32_BITS - 1 ) );

#endif

                    /* Shape the SID noise levels in each FFT bin */

                    j = 0;

                    move16();
@@ -1263,11 +1247,7 @@ Word16 ApplyFdCng_fx( 
                            facTabExp[k] = -( WORD32_BITS - 1 );

                            move16();

                        }

#ifdef FIX_732

                        s2 = s_min( s2, facTabExp[k] );

#else

                        s2 = s_max( s2, facTabExp[k] );

#endif

                    }

                    IF( EQ_16( s2, -31 ) )

                    {
@@ -1280,11 +1260,7 @@ Word16 ApplyFdCng_fx( 
                        s = s_max( s_min( s, sub( WORD32_BITS, 1 ) ), negate( sub( WORD32_BITS, 1 ) ) );

                        FOR( ; j <= hFdCngCom->part[k]; j++ )

                        {

#ifdef FIX_732

                            cngNoiseLevel[j] = L_shl_sat( Mpy_32_16_1( hFdCngDec->bandNoiseShape[j], facTab[k] ), s ); /*Q31 - hFdCngDec->bandNoiseShape_exp*/

#else

                            cngNoiseLevel[j] = L_shl( Mpy_32_16_1( hFdCngDec->bandNoiseShape[j], facTab[k] ), s ); /*Q31 - hFdCngDec->bandNoiseShape_exp*/

#endif

                            move32();

                        }

                    }
@@ -1320,6 +1296,14 @@ Word16 ApplyFdCng_fx( 
    }





    dbgwrite( hFdCngDec->bandNoiseShape, sizeof( Word32 ), 320, 1, "bandNoiseShape.int" );

    dbgwrite( &hFdCngDec->bandNoiseShape_exp, sizeof( short ), 1, 1, "bandNoiseShape_exp.short" );



    dbgwrite( cngNoiseLevel, sizeof( Word32 ), 340, 1, "cngNoiseLevel.int" );

    dbgwrite( cngNoiseLevel_exp, sizeof( short ), 1, 1, "cngNoiseLevel_exp.short" );

    dbgwrite( &frame, sizeof( int ), 1, 1, "frame.int" );





    return 0;

}
@@ -1523,6 +1507,9 @@ void perform_noise_estimation_dec_ivas_fx( 
    Word32 enr, enr_tot, enr_tot0;

    Word16 enr_e, enr_ratio, alpha;

    Word32 *msPeriodog;

#ifdef FIX_732

    Word32 msPeriodog_floor;

#endif

    Word32 *msNoiseEst;

    Word32 *reIter;

    Word32 rescale_fac = 0;
@@ -1728,10 +1715,18 @@ void perform_noise_estimation_dec_ivas_fx( 


                msPeriodog[p] = L_add( msPeriodog[p], L_tmp ); /*Q31 - hFdCngDec->msPeriodog_exp*/

                move32();



#ifdef FIX_732

                msPeriodog_floor = L_max( 1, L_shr( 21474 /*Q31*/, hFdCngDec->msPeriodog_exp ) );

                IF( LT_32( msPeriodog[p], msPeriodog_floor ) )

#else

                IF( LT_32( msPeriodog[p], L_shr( 21474 /*Q31*/, hFdCngDec->msPeriodog_exp ) ) )

#endif

                {

#ifdef FIX_732

                    msPeriodog[p] = msPeriodog_floor;

#else

                    msPeriodog[p] = L_shr( 21474 /*Q31*/, hFdCngDec->msPeriodog_exp ); /*Q31 - hFdCngDec->msPeriodog_exp*/

#endif

                    move32();

                }

            }
@@ -2105,6 +2100,13 @@ void perform_noise_estimation_dec_ivas_fx( 
        /* Expand partitions into bins of power spectrum */

        scalebands_fx( msNoiseEst, part, nFFTpart, hFdCngDec->midband_shaping, nFFTpart, sub( stopFFTbin, startBand ), hFdCngDec->bandNoiseShape, 1 );

        hFdCngDec->bandNoiseShape_exp = hFdCngDec->msNoiseEst_exp;



        dbgwrite( msNoiseEst, sizeof( int ), 62, 1, "msNoiseEst.int" );

        dbgwrite( &hFdCngDec->msNoiseEst_exp, sizeof( short ), 1, 1, "msNoiseEst_exp.short" );

        dbgwrite( msPeriodog, sizeof( int ), 62, 1, "msPeriodog.int" );

        dbgwrite( &hFdCngDec->msPeriodog_exp, sizeof( short ), 1, 1, "msPeriodog_exp.short" );





        move16();

        Copy32( hFdCngDec->bandNoiseShape, &hFdCngDec->smoothed_psd_fx[startBand], sub( stopFFTbin, startBand ) ); /*Q31 - hFdCngDec->bandNoiseShape_exp*/

        hFdCngDec->smoothed_psd_exp = hFdCngDec->bandNoiseShape_exp;