Commit 0ac240a0 authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
Browse files

Stereo Downmix EVS functions conversion, cleanup and encoder LTV crash fixes 

[x] Stereo Downmix EVS functions conversion
[x] Fix for ltv crash issues: [ltv-MASA 1TC at 13.2 kbps, 48kHz in, 48kHz out, EXT out], [ltv-Multi-channel 5_1 at 13.2 kbps, 48kHz in, 48kHz out]-, [ltv-Multi-channel 5_1_4 at 48 kbps, 48kHz in, 48kHz out, BINAURAL_ROOM_IR out, HR]-, [ltv-Multi-channel 7_1_4 at 96 kbps, 48kHz in, 48kHz out, STEREO out], [ltv-Multi-channel 5_1_2 at 32 kbps, 48kHz in, 48kHz out, STEREO out, random FER at 5%], [ltv-Multi-channel 7_1_4 at 64 kbps, 48kHz in, 48kHz out, MONO out, random FER at 5%], [ltv-Multi-channel 7_1_4 at 96 kbps, 48kHz in, 48kHz out, 5_1 out, random FER at 5%], [ltv-Multi-channel 5_1 bitrate switching from 13.2 kbps to 512 kbps, 48kHz in, 48kHz out, 7_1_4 out], [ltv-Multi-channel 5_1_2 bitrate switching from 13.2 kbps to 512 kbps, 48kHz in, 16kHz out, BINAURAL_ROOM out], [ltv-Multi-channel 7_1_4 bitrate switching from 13.2 kbps to 512 kbps, 48kHz in, 48kHz out, BINAURAL out (Model from file)], [ltv-Multi-channel 7_1_4 bitrate switching from 13.2 kbps to 512 kbps, 48kHz in, 48kHz out, HOA3 out], [ltv-Multi-channel 7_1_4 bitrate switching from 24.4 kbps to 256 kbps, 48kHz in, 32kHz out, STEREO out, FER at 5%]
[x] ivas_core_pre_proc_front and pre_proc_ivas cleanup
[x] Q-info updates for decoder/renderer
parent 4c7c46f3

lib_com/cldfb.c

+0 −1
Original line number Diff line number Diff line
@@ -3133,7 +3133,6 @@ static void cldfb_init_proto_and_twiddles_enc( 
                hs->rot_vec_syn_delay_re_fx = NULL;

                hs->rot_vec_syn_delay_im_fx = NULL;

                hs->p_filter_sf = (Word16) 17051;

                hs->q_scale = norm_s( (Word16) CLDFB80_40_SCALE );

                hs->scale = cldfb_scale_2_5ms[4];

                hs->p_filter = CLDFB80_40_fx;

#endif

lib_com/core_com_config.c

+12 −0
Original line number Diff line number Diff line
@@ -1402,7 +1402,11 @@ void init_tcx_cfg( 
    init_tcx_window_cfg( hTcxCfg, sr_core, input_Fs, L_frame, L_frameTCX, encoderLookahead_enc, encoderLookahead_FB, mdctWindowLength, mdctWindowLengthFB, element_mode );



    /* SQ deadzone & memory quantization*/

#ifndef IVAS_FLOAT_FIXED

    hTcxCfg->sq_rounding_flt = 0.375f; /*deadzone of 1.25->rounding=1-1.25/2 (No deadzone=0.5)*/

#else

    hTcxCfg->sq_rounding = 12288; /*deadzone of 1.25->rounding=1-1.25/2 (No deadzone=0.5)*/

#endif



    /* TCX rate loop */

    hTcxCfg->tcxRateLoopOpt = ( tcxonly ) ? 2 : 0;
@@ -1453,7 +1457,11 @@ void init_tcx_cfg( 
    }



    /* Scale TCX for non-active frames to adjust loudness with ACELP*/

#ifndef IVAS_FLOAT_FIXED

    hTcxCfg->na_scale_flt = 1.f;

#else

    hTcxCfg->na_scale = 32767;

#endif



    if ( na_scale_bwidth < SWB && !tcxonly )

    {
@@ -1467,7 +1475,11 @@ void init_tcx_cfg( 
                {

                    i--;

                }

#ifndef IVAS_FLOAT_FIXED

                hTcxCfg->na_scale_flt = scaleTcxTable[i].scale_flt;

#else

                hTcxCfg->na_scale = scaleTcxTable[i].scale;

#endif

                break;

            }

        }

lib_com/fd_cng_com.c

+18 −10
Original line number Diff line number Diff line
@@ -137,17 +137,28 @@ void initFdCngCom_flt( 
    mhvals_flt( MSSUBFRLEN, &( hFdCngCom->msM_subwin_flt ) );

    set_f( hFdCngCom->msPeriodogSum_flt, 0.0f, 2 );

    set_f( hFdCngCom->msPsdSum_flt, 0.0f, 2 );

#ifndef IVAS_FLOAT_FIXED

    set_f( hFdCngCom->msSlope_flt, 0.0f, 2 );

    set_f( hFdCngCom->msQeqInvAv_flt, 0.0f, 2 );

#else

    set16_fx( hFdCngCom->msSlope, 0, 2 );

    set32_fx( hFdCngCom->msQeqInvAv, 0, 2 );

#endif

    hFdCngCom->init_old_flt = 0;

    hFdCngCom->msFrCnt_init_counter = 0;

    hFdCngCom->msFrCnt_init_thresh = 1;

    hFdCngCom->offsetflag = 0;

    hFdCngCom->msFrCnt = MSSUBFRLEN;

    hFdCngCom->msMinBufferPtr = 0;

#ifndef IVAS_FLOAT_FIXED

    set_f( hFdCngCom->msAlphaCor_flt, 0.3f, 2 );



    hFdCngCom->coherence_flt = 0.5f;

#else

    set32_fx( hFdCngCom->msAlphaCor, 644245120l /*0.3f Q31*/, 2 );



    hFdCngCom->coherence_fx = 16384; /* 0.5 in Q15 */

#endif



    return;

}
@@ -233,6 +244,7 @@ void initPartitions_flt( 
}





#ifndef IVAS_FLOAT_FIXED

/*-------------------------------------------------------------------

 * compress_range_flt()

 *
@@ -639,6 +651,7 @@ void minimum_statistics_flt( 


    return;

}

#endif





/*-------------------------------------------------------------------
@@ -675,6 +688,7 @@ void apply_scale_flt( 
}





#ifndef IVAS_FLOAT_FIXED

/*-------------------------------------------------------------------

 * bandcombinepow_flt()

 *
@@ -796,6 +810,7 @@ void scalebands_flt( 


    return;

}

#endif





/*-------------------------------------------------------------------
@@ -859,7 +874,6 @@ void AnalysisSTFT_flt( 
    return;

}



#endif

/*-------------------------------------------------------------------

 * SynthesisSTFT_flt()

 *
@@ -946,6 +960,7 @@ void SynthesisSTFT_flt( 


    return;

}

#endif



#ifdef IVAS_FLOAT_FIXED

/*-------------------------------------------------------------------
@@ -1332,6 +1347,7 @@ Word16 rand_gauss_fix( 
}

#endif



#ifndef IVAS_FLOAT_FIXED

/*-------------------------------------------------------------------

 * lpc_from_spectrum_flt()

 *
@@ -1352,9 +1368,6 @@ void lpc_from_spectrum_flt( 
    int16_t fftlen = hFdCngCom->fftlen;

    const float *fftSineTab = hFdCngCom->fftSineTab_flt;

    float *A = hFdCngCom->A_cng_flt;

#ifdef IVAS_FLOAT_FIXED

    Word16 *A_fx = hFdCngCom->A_cng;

#endif



    /* Power Spectrum */

    ptr = fftBuffer;
@@ -1408,12 +1421,6 @@ void lpc_from_spectrum_flt( 


    /* LPC */

    lev_dur( A, r, M, NULL );

#ifdef IVAS_FLOAT_FIXED

    for ( i = 0; i < M + 1; i++ )

    {

        A_fx[i] = float_to_fix16( A[i], Q13 );

    }

#endif

    return;

}
@@ -1486,3 +1493,4 @@ void FdCng_exc_flt( 


    return;

}

#endif

lib_com/fft_fx.c

+6 −0
Original line number Diff line number Diff line
@@ -7116,6 +7116,12 @@ void rfft_fx( 
            s2 = -204;

            move16();

            BREAK;

        case 240:

            s1 = 136;

            move16();

            s2 = -136;

            move16();

            BREAK;

        case 256:

            s1 = 128;

            move16();

lib_com/ivas_cnst.h

+3 −3
Original line number Diff line number Diff line
@@ -1417,9 +1417,9 @@ typedef enum 
#define MCMASA_LFE_ALPHA                        0.67f

#define MCMASA_LFE_BETA                         0.09f

#ifdef IVAS_FLOAT_FIXED

#define MCMASA_LFE_1BIT_THRES_Q31               64424509 /* 0.03f in Q31 */

#define MCMASA_LFE_ALPHA_Q31                    1438814044 /* 0.67f in Q31 */

#define MCMASA_LFE_BETA_Q31                     193273528 /* 0.09f in Q31 */

#define MCMASA_LFE_1BIT_THRES_Q30               32212255 /* 0.03f in Q30 */

#define MCMASA_LFE_ALPHA_Q30                    719407022 /* 0.67f in Q30 */

#define MCMASA_LFE_BETA_Q30                     96636764 /* 0.09f in Q30 */

#endif

#define MCMASA_LFE_THETA                        1.3f

#define MCMASA_LFE_SYNTH_ALPHA                  0.95f                       /* Smoothing coefficient for LFE synthesis */