Commit f19926bf authored by multrus's avatar multrus
Browse files

Merge branch 'float-1559-synthesis-saturates-for-stereo-with-dtx-and-bitrate-switching' into 'main' 

[non-BE] Float 1559 synthesis saturates for stereo with dtx and bitrate switching

See merge request !2606
parents 5d7a06a6 f5533a9f

lib_com/fd_cng_com.c

+3 −0
Original line number Diff line number Diff line
@@ -118,6 +118,9 @@ void initFdCngCom( 
    hFdCngCom->stopBand = 0;

    hFdCngCom->startBand = 0;

    hFdCngCom->stopFFTbin = 0;

#ifdef FIX_1559

    hFdCngCom->nFFTpart = 0;

#endif

    hFdCngCom->frameSize = 0;

    hFdCngCom->fftlen = 0;

    hFdCngCom->seed = 0;

lib_com/options.h

+1 −0
Original line number Diff line number Diff line
@@ -184,6 +184,7 @@ 
#define FIX_FLOAT_1573_POSITION_UPDATE                  /* Eri: Float issue 1573: For static orientation and listener movement, the PoseUpdated flag is cleared and prevents 5 ms update rate. */

#define FIX_1576_LCLD_CRASH_DIFFERENT_CODEC_ISAR_FRAME_SIZE  /* Dolby: float issue 1576: fix for crash in LCLD mode when codec frame size is less than isar frame size */

#define FIX_1452_DEFAULT_REVERB                         /* Nokia/Philips/FhG: Fix default room presets and their usage in renderer */

#define FIX_1559                                        /* Eri/FhG: fix for Issue 1559 in FD CNG with bitrate/bw switching */

#define FIX_FMSW_DEC                                    /* float issue 1542: fix JBM issue in format switching */

#define FIX_FMSW_DEC_2                                  /* float issue 1575: fix crash for format switching when bitsream starts with EVS */

#define FIX_1548_HARMONIZE_NON_DIEGETIC_PANNING_LAW     /* Orange: float issue 1548: Harmonize non diegetic panning law in ISM and renderers */

lib_dec/fd_cng_dec.c

+21 −0
Original line number Diff line number Diff line
@@ -191,6 +191,9 @@ void configureFdCngDec( 
{

    int16_t j, stopBandFR;

    HANDLE_FD_CNG_COM hsCom = hFdCngDec->hFdCngCom;

#ifdef FIX_1559

    int16_t nFFTpart_prev;

#endif



    hsCom->CngBandwidth = bwidth;

    if ( hsCom->CngBandwidth == FB )
@@ -296,6 +299,10 @@ void configureFdCngDec( 
    hsCom->startBand = 2;

    hsCom->stopBand = hsCom->FdCngSetup.sidPartitions[hsCom->FdCngSetup.numPartitions - 1] + 1;

    initPartitions( hsCom->FdCngSetup.sidPartitions, hsCom->FdCngSetup.numPartitions, hsCom->startBand, hsCom->stopBand, hsCom->part, &hsCom->npart, hsCom->midband, hsCom->psize, hsCom->psize_inv, 0 );

#ifdef FIX_1559



    nFFTpart_prev = hsCom->nFFTpart;

#endif

    if ( hsCom->stopFFTbin == 160 )

    {

        hsCom->nFFTpart = 17;
@@ -315,6 +322,20 @@ void configureFdCngDec( 
        hsCom->CLDFBpsize_inv[j] = hsCom->psize_inv[j + hsCom->nFFTpart];

    }



#ifdef FIX_1559

    /* In case of going from a lower number of partitions to a higher number, initialize

    the higher ines which might be zero and/or outdated with the highest partitions value

    this avoids almost-zero values to linger around and causing signal bursts after switching to higher bitrate.

    Don't do this on initialization of the codec (nFFTpart_prev == 0)*/

    if ( nFFTpart_prev != 0 )

    {

        for ( j = nFFTpart_prev; j < hsCom->nFFTpart; ++j )

        {

            hFdCngDec->partNoiseShape[j] = hFdCngDec->partNoiseShape[nFFTpart_prev - 1];

        }

    }

#endif



    stopBandFR = (int16_t) floor( 1000.f /*Hz*/ / 25.f /*Hz/Bin*/ );

    if ( stopBandFR > hsCom->stopFFTbin )

    {