Commit 9cf449e1 authored by Archit Tamarapu's avatar Archit Tamarapu
Browse files

port MR 2462 from float: changes under FIX_1466_EXTREND and FIX_1435_MOVE_STEREO_PANNING

parent d3508f9d

lib_com/options.h

+1 −0
Original line number Diff line number Diff line
@@ -102,6 +102,7 @@ 
#define FIX_2250_LARGE_DIFFERENCES_BETWEEN_BASOP_AND_FLOAT  /* Dolby: Issue 2250:  random vector generation in GenShapedSHBExcitation() */

#define FIX_2254_IMPROV_PRECISION_OR_COMPLEXITY_NON_BE  /* VA: Precision improvement without increasing complexity, or complexity reduction that might be not BE on the LSB */

#define FIX_2252_LP_CNG_STARTS_SID                      /* VA: issues 2251 and 2252: fix LP CNG uninitialized value in bitstream that starts with an SID */

#define FIX_1466_EXTREND                                /* FhG: float issue 1466: enable rendering of mono/stereo to other formats in the external renderer */



/* ##################### End NON-BE switches ########################### */

lib_dec/ivas_output_config_fx.c

+18 −0
Original line number Diff line number Diff line
@@ -283,14 +283,22 @@ void ivas_renderer_select( 
     * Non-binaural rendering configurations

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



#ifdef FIX_1435_MOVE_STEREO_PANNING

    ELSE IF( EQ_32( st_ivas->ivas_format, MONO_FORMAT ) || EQ_32( st_ivas->ivas_format, STEREO_FORMAT ) )

#else

    ELSE IF( EQ_32( st_ivas->ivas_format, MONO_FORMAT ) )

#endif

    {

        test();

        test();

        test();

        test();

        test();

#ifdef FIX_1435_MOVE_STEREO_PANNING

        IF( EQ_32( st_ivas->ivas_format, MONO_FORMAT ) && EQ_32( output_config, IVAS_AUDIO_CONFIG_STEREO ) )

#else

        IF( EQ_32( output_config, IVAS_AUDIO_CONFIG_STEREO ) )

#endif

        {

            *renderer_type = RENDERER_NON_DIEGETIC_DOWNMIX;

            move16();
@@ -300,7 +308,16 @@ void ivas_renderer_select( 
            *renderer_type = RENDERER_MC;

            move16();

        }

#ifdef FIX_1435_MOVE_STEREO_PANNING

        ELSE IF( EQ_32( st_ivas->ivas_format, STEREO_FORMAT ) &&

                 ( EQ_32( output_config, IVAS_AUDIO_CONFIG_FOA ) || EQ_32( output_config, IVAS_AUDIO_CONFIG_HOA2 ) || EQ_32( output_config, IVAS_AUDIO_CONFIG_HOA3 ) ) )

        {

            *renderer_type = RENDERER_SBA_LINEAR_ENC;

            move16();

        }

#endif

    }

#ifndef FIX_1435_MOVE_STEREO_PANNING

    ELSE IF( EQ_32( st_ivas->ivas_format, STEREO_FORMAT ) )

    {

        test();
@@ -322,6 +339,7 @@ void ivas_renderer_select( 
            move16();

        }

    }

#endif

    ELSE IF( EQ_32( st_ivas->ivas_format, ISM_FORMAT ) )

    {

        test();

lib_rend/lib_rend_fx.c

+139 −0
Original line number Diff line number Diff line
@@ -1392,6 +1392,22 @@ static bool isIoConfigPairSupported( 
    const AUDIO_CONFIG inConfig,

    const AUDIO_CONFIG outConfig )

{

#ifdef FIX_1466_EXTREND

    /* input config cannot be binaural */

    test();

    test();

    IF( EQ_32( getAudioConfigType( inConfig ), IVAS_REND_AUDIO_CONFIG_TYPE_BINAURAL ) &&

        NE_32( inConfig, IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_CODED ) && NE_32( inConfig, IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_PCM ) )

    {

        return false;

    }



    /* output config cannot be object based */

    IF( EQ_32( getAudioConfigType( outConfig ), IVAS_REND_AUDIO_CONFIG_TYPE_OBJECT_BASED ) )

    {

        return false;

    }

#else

    /* Rendering mono or stereo to binaural is not supported */

    test();

    test();
@@ -1399,6 +1415,7 @@ static bool isIoConfigPairSupported( 
    {

        return false;

    }

#endif



    /* If not returned so far, config pair is supported */

    return true;
@@ -2563,15 +2580,53 @@ static ivas_error updateMcPanGainsForAmbiOut( 
{

    Word16 ch_in, ch_out, lfeIdx, i;

    Word16 numNonLfeInChannels, outAmbiOrder;

#ifdef FIX_1466_EXTREND

    AUDIO_CONFIG inConfig;

#endif

    const Word32 *spkAzi_fx, *spkEle_fx; /* Q22 */

    ivas_error error;



#ifdef FIX_1466_EXTREND

    inConfig = inputMc->base.inConfig;

    move32();



#endif

    IF( NE_32( ( error = getAmbisonicsOrder_fx( outConfig, &outAmbiOrder ) ), IVAS_ERR_OK ) )

    {

        return error;

    }



#ifdef FIX_1466_EXTREND

    test();

    IF( EQ_32( inConfig, IVAS_AUDIO_CONFIG_MONO ) || EQ_32( inConfig, IVAS_AUDIO_CONFIG_STEREO ) )

    {

        setZeroPanMatrix_fx( inputMc->panGains_fx );

        IF( EQ_32( inConfig, IVAS_AUDIO_CONFIG_MONO ) )

        {

            /* W = Mono */

            inputMc->panGains_fx[0][0] = ONE_IN_Q31;

            move32();

        }

        ELSE

        {

            /* W = 0.5 * ( L + R ) */

            inputMc->panGains_fx[0][0] = ONE_IN_Q30 /* 0.5f in Q31 */;

            inputMc->panGains_fx[0][1] = ONE_IN_Q30 /* 0.5f in Q31 */;

            move32();

            move32();

            /* Y = 0.5 * ( L - R ) */

            inputMc->panGains_fx[1][0] = ONE_IN_Q30 /*   0.5f in Q31 */;

            inputMc->panGains_fx[1][1] = -ONE_IN_Q30 /* -0.5f in Q31 */;

            move32();

            move32();

        }



        return IVAS_ERR_OK;

    }

    ELSE IF( NE_32( inputMc->base.inConfig, IVAS_AUDIO_CONFIG_LS_CUSTOM ) )

#else

    IF( NE_32( inputMc->base.inConfig, IVAS_AUDIO_CONFIG_LS_CUSTOM ) )

#endif

    {

        IF( NE_32( ( error = getNumNonLfeChannelsInSpeakerLayout( inputMc->base.inConfig, &numNonLfeInChannels ) ), IVAS_ERR_OK ) )

        {
@@ -2682,6 +2737,39 @@ static ivas_error updateMcPanGainsForAmbiOut( 


    return IVAS_ERR_OK;

}

#ifdef FIX_1466_EXTREND



static ivas_error updateMcPanGainsForBinauralOut(

    input_mc *inputMc )

{

    setZeroPanMatrix_fx( inputMc->panGains_fx );

    IF( inputMc->base.inConfig == IVAS_AUDIO_CONFIG_MONO )

    {

        IF( EQ_32( inputMc->nonDiegeticPanGain_fx, ONE_IN_Q31 ) )

        {

            inputMc->panGains_fx[0][0] = ONE_IN_Q31;

        }

        ELSE

        {

            inputMc->panGains_fx[0][0] = L_add( L_shr( inputMc->nonDiegeticPanGain_fx, 1 ), ONE_IN_Q30 /* 0.5f in Q31 */ ); /* Q31 */

        }

        move32();

        inputMc->panGains_fx[0][1] = L_sub( ONE_IN_Q31, inputMc->panGains_fx[0][0] );

        move32();

    }

    ELSE

    {

        /* stereo passthrough */

        inputMc->panGains_fx[0][0] = ONE_IN_Q31;

        inputMc->panGains_fx[1][1] = ONE_IN_Q31;

        move32();

        move32();

    }



    return IVAS_ERR_OK;

}



#endif

static ivas_error updateMcPanGains(

    input_mc *inputMc,

    const AUDIO_CONFIG outConfig )
@@ -2703,6 +2791,16 @@ static ivas_error updateMcPanGains( 
            error = updateMcPanGainsForAmbiOut( inputMc, outConfig );

            BREAK;

        case IVAS_REND_AUDIO_CONFIG_TYPE_BINAURAL:

#ifdef FIX_1466_EXTREND

            test();

            IF( EQ_32( inputMc->base.inConfig, IVAS_AUDIO_CONFIG_MONO ) || EQ_32( inputMc->base.inConfig, IVAS_AUDIO_CONFIG_STEREO ) )

            {

                error = updateMcPanGainsForBinauralOut( inputMc );

                BREAK;

            }



            /* not mono or stereo */

#endif

            SWITCH( outConfig )

            {

                case IVAS_AUDIO_CONFIG_BINAURAL:
@@ -2760,6 +2858,14 @@ static ivas_error initMcBinauralRendering( 
    Word32 outSampleRate;

    Word8 useTDRend;

    Word16 i;

#ifdef FIX_1466_EXTREND



    test();

    IF( EQ_32( inputMc->base.inConfig, IVAS_AUDIO_CONFIG_MONO ) || EQ_32( inputMc->base.inConfig, IVAS_AUDIO_CONFIG_STEREO ) )

    {

        return IVAS_ERR_OK;

    }

#endif



    /* Allocate TD binaural renderer for custom loudspeaker layouts (regardless of headrotation)

      or planar MC layouts with headrotation, CREND for the rest */
@@ -7257,6 +7363,29 @@ static ivas_error renderActiveInputsIsm( 
    }

    return IVAS_ERR_OK;

}

#ifdef FIX_1466_EXTREND



static void renderMonoStereoToBinaural(

    const input_mc *mcInput,

    IVAS_REND_AudioBuffer outAudio )

{

    Word16 i;

    IVAS_REND_AudioBuffer inAudio;



    push_wmops( "renderMonoStereoToBinaural" );

    inAudio = mcInput->base.inputBuffer;



    FOR( i = 0; i < inAudio.config.numChannels; ++i )

    {

        renderBufferChannel_fx( inAudio, i, mcInput->panGains_fx[i], outAudio );

    }



    pop_wmops();



    return;

}



#endif



static ivas_error renderLfeToBinaural_fx(

    const input_mc *mcInput,
@@ -8011,6 +8140,16 @@ static ivas_error renderInputMc( 
            renderMcToSba( mcInput, outAudio );

            BREAK;

        case IVAS_REND_AUDIO_CONFIG_TYPE_BINAURAL:

#ifdef FIX_1466_EXTREND

            test();

            IF( EQ_32( mcInput->base.inConfig, IVAS_AUDIO_CONFIG_MONO ) || EQ_32( mcInput->base.inConfig, IVAS_AUDIO_CONFIG_STEREO ) )

            {

                renderMonoStereoToBinaural( mcInput, outAudio );

                BREAK;

            }



            /* not mono or stereo */

#endif

            SWITCH( outConfig )

            {

                case IVAS_AUDIO_CONFIG_BINAURAL: