Commit cf42e101 authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
Browse files

Integration of common fixed point functions in encoder 

[x] Following functions have been integrated:
    ivas_get_horidac_flag
    ivas_dirac_config_bands
    ivas_dirac_config
    ivas_dirac_sba_config
    ivas_get_dirac_sba_mx_md_bits
parent 438bf483

lib_com/ivas_cov_smooth.c

+75 −0
Original line number Diff line number Diff line
@@ -274,6 +274,7 @@ static void ivas_set_up_cov_smoothing( 
 * Allocate and initialize SPAR Covar. smoothing handle

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



#ifdef IVAS_FLOAT_FIXED

ivas_error ivas_spar_covar_smooth_enc_open(

    ivas_cov_smooth_state_t **hCovState_out,     /* i/o: SPAR Covar. smoothing handle       */

    const ivas_cov_smooth_cfg_t *cov_smooth_cfg, /* i  : SPAR config. handle                */
@@ -332,7 +333,48 @@ ivas_error ivas_spar_covar_smooth_enc_open( 


    return IVAS_ERR_OK;

}

#else

ivas_error ivas_spar_covar_smooth_enc_open(

    ivas_cov_smooth_state_t **hCovState_out,     /* i/o: SPAR Covar. smoothing handle       */

    const ivas_cov_smooth_cfg_t *cov_smooth_cfg, /* i  : SPAR config. handle                */

    ivas_filterbank_t *pFb,                      /* i/o: FB handle                          */

    const int16_t nchan_inp,                     /* i  : number of input channels           */

    const COV_SMOOTHING_TYPE smooth_mode,        /* i  : Smooth covariance for SPAR or MC   */

    const int32_t ivas_total_brate               /* i  : IVAS total bitrate                 */

)

{

    ivas_cov_smooth_state_t *hCovState;

    int16_t i, j;



    if ( ( hCovState = (ivas_cov_smooth_state_t *) malloc( sizeof( ivas_cov_smooth_state_t ) ) ) == NULL )

    {

        return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR COV encoder" );

    }



    if ( ( hCovState->pSmoothing_factor = (float *) malloc( sizeof( float ) * cov_smooth_cfg->max_bands ) ) == NULL )

    {

        return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR COV encoder" );

    }



    for ( i = 0; i < nchan_inp; i++ )

    {

        for ( j = 0; j < nchan_inp; j++ )

        {

            if ( ( hCovState->pPrior_cov_real[i][j] = (float *) malloc( sizeof( float ) * cov_smooth_cfg->max_bands ) ) == NULL )

            {

                return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR COV encoder" );

            }

            set_zero( hCovState->pPrior_cov_real[i][j], cov_smooth_cfg->max_bands );

        }

    }



    ivas_set_up_cov_smoothing( hCovState, pFb, cov_smooth_cfg->max_update_rate, cov_smooth_cfg->min_pool_size, smooth_mode, ivas_total_brate );



    *hCovState_out = hCovState;



    return IVAS_ERR_OK;

}

#endif



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

 * ivas_spar_covar_smooth_enc_close()
@@ -340,6 +382,7 @@ ivas_error ivas_spar_covar_smooth_enc_open( 
 * Deallocate SPAR Covar. smoothing handle

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



#ifdef IVAS_FLOAT_FIXED

void ivas_spar_covar_smooth_enc_close(

    ivas_cov_smooth_state_t **hCovState_out, /* i/o: SPAR Covar. smoothing handle   */

    const int16_t nchan_inp                  /* i  : number of input channels       */
@@ -379,6 +422,38 @@ void ivas_spar_covar_smooth_enc_close( 


    return;

}

#else

void ivas_spar_covar_smooth_enc_close(

    ivas_cov_smooth_state_t **hCovState_out, /* i/o: SPAR Covar. smoothing handle   */

    const int16_t nchan_inp                  /* i  : number of input channels       */

)

{

    ivas_cov_smooth_state_t *hCovState;

    int16_t i, j;



    hCovState = *hCovState_out;



    if ( hCovState != NULL )

    {

        free( hCovState->pSmoothing_factor );

        hCovState->pSmoothing_factor = NULL;



        for ( i = 0; i < nchan_inp; i++ )

        {

            for ( j = 0; j < nchan_inp; j++ )

            {

                free( hCovState->pPrior_cov_real[i][j] );

                hCovState->pPrior_cov_real[i][j] = NULL;

            }

        }



        free( hCovState );

        hCovState_out = NULL;

    }



    return;

}

#endif





#ifdef IVAS_FLOAT_FIXED

lib_com/ivas_dirac_com.c

+24 −24
Original line number Diff line number Diff line
@@ -61,38 +61,38 @@ static UWord16 deindex_sph_idx_general_fx( const Word16 idx_sph, const Word16 no 
 *------------------------------------------------------------------------*/



/*! r: HO-DirAC flag */

int16_t ivas_get_hodirac_flag(

    const int32_t ivas_total_brate, /* i  : IVAS total bitrate      */

    const int16_t sba_order         /* i  : Ambisonic (SBA) order   */

#ifdef IVAS_FLOAT_FIXED

Word16 ivas_get_hodirac_flag_fx(

    const Word32 ivas_total_brate, /* i  : IVAS total bitrate      */

    const Word16 sba_order         /* i  : Ambisonic (SBA) order   */

)

{

    if ( sba_order > 1 && ivas_total_brate > IVAS_256k )

    IF( GT_16( sba_order, 1 ) && GT_32( ivas_total_brate, IVAS_256k ) )

    {

        return 1;

    }

    else

    ELSE

    {

        return 0;

    }

}

#endif



#ifdef IVAS_FLOAT_FIXED

Word16 ivas_get_hodirac_flag_fx(

    const Word32 ivas_total_brate, /* i  : IVAS total bitrate      */

    const Word16 sba_order         /* i  : Ambisonic (SBA) order   */

int16_t ivas_get_hodirac_flag(

    const int32_t ivas_total_brate, /* i  : IVAS total bitrate      */

    const int16_t sba_order         /* i  : Ambisonic (SBA) order   */

)

{

    IF( GT_16( sba_order, 1 ) && GT_32( ivas_total_brate, IVAS_256k ) )

    if ( sba_order > 1 && ivas_total_brate > IVAS_256k )

    {

        return 1;

    }

    ELSE

    else

    {

        return 0;

    }

}



#endif

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

 * ivas_dirac_sba_config()

 *
@@ -169,7 +169,7 @@ ivas_error ivas_dirac_config_fx( 


        spar_dirac_split_band = s_min( IVAS_MAX_NUM_BANDS, SPAR_DIRAC_SPLIT_START_BAND );



        IF( ivas_get_hodirac_flag( ivas_total_brate, sba_order ) ) // add call after merge of 100861_dirac_dec

        IF( ivas_get_hodirac_flag_fx( ivas_total_brate, sba_order ) ) // add call after merge of 100861_dirac_dec

        {

            spar_dirac_split_band = 0;

        }
@@ -204,7 +204,7 @@ ivas_error ivas_dirac_config_fx( 
            hConfig->enc_param_start_band = spar_dirac_split_band;

        }



        IF( ivas_get_hodirac_flag( ivas_total_brate, sba_order ) )

        IF( ivas_get_hodirac_flag_fx( ivas_total_brate, sba_order ) )

        {

            hConfig->dec_param_estim = FALSE;

            hConfig->enc_param_start_band = 0;
@@ -217,17 +217,16 @@ ivas_error ivas_dirac_config_fx( 
    IF( ivas_format == SBA_FORMAT || ivas_format == SBA_ISM_FORMAT )

    {

        // 100861_dirac_dec

        ivas_dirac_config_bands( band_grouping, IVAS_MAX_NUM_BANDS, (Word16) ( Fs * INV_CLDFB_BANDWIDTH + 0.5f ), dirac_to_spar_md_bands, hQMetaData->useLowerBandRes, hConfig->enc_param_start_band, hFbMdft );

        ivas_dirac_config_bands_fx( band_grouping, IVAS_MAX_NUM_BANDS, (Word16) ( Fs * INV_CLDFB_BANDWIDTH + 0.5f ), dirac_to_spar_md_bands, hQMetaData->useLowerBandRes, hConfig->enc_param_start_band, hFbMdft );

    }

    ELSE

    {

        ivas_dirac_config_bands( band_grouping, hConfig->nbands, (Word16) ( Fs * INV_CLDFB_BANDWIDTH + 0.5f ), NULL, 0, 0, hFbMdft );

        ivas_dirac_config_bands_fx( band_grouping, hConfig->nbands, (Word16) ( Fs * INV_CLDFB_BANDWIDTH + 0.5f ), NULL, 0, 0, hFbMdft );

    }



    return error;

}

#endif



#else

ivas_error ivas_dirac_config(

    void *st_ivas,        /* i/o: IVAS encoder/decoder state structure  */

    const int16_t enc_dec /* i  : encoder or decoder flag               */
@@ -354,6 +353,7 @@ ivas_error ivas_dirac_config( 


    return error;

}

#endif





/*-------------------------------------------------------------------------
@@ -362,6 +362,7 @@ ivas_error ivas_dirac_config( 
 * DirAC Configuration freq. band function; used also in MASA decoder

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



#ifndef IVAS_FLOAT_FIXED

void ivas_dirac_config_bands(

    int16_t *band_grouping, /* o  : band grouping                          */

    const int16_t nbands,   /* i  : number of bands                        */
@@ -458,8 +459,7 @@ void ivas_dirac_config_bands( 


    return;

}



#ifdef IVAS_FLOAT_FIXED

#else

void ivas_dirac_config_bands_fx(

    Word16 *band_grouping, /* o  : band grouping                          */

    const Word16 nbands,   /* i  : number of bands                        */
@@ -673,8 +673,7 @@ void ivas_get_dirac_sba_max_md_bits_fx( 


    return;

}

#endif



#else

void ivas_get_dirac_sba_max_md_bits(

    const int32_t sba_total_brate,

    int16_t *bits_frame_nominal,
@@ -743,6 +742,7 @@ void ivas_get_dirac_sba_max_md_bits( 


    return;

}

#endif



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

 * ivas_dirac_sba_config()
@@ -832,8 +832,7 @@ ivas_error ivas_dirac_sba_config_fx( 


    return error;

}

#endif



#else

ivas_error ivas_dirac_sba_config(

    IVAS_QMETADATA_HANDLE hQMetaData, /* i/o: q_metadata handle                                    */

    int16_t *element_mode,            /* i/o: element mode of the core coder                       */
@@ -908,6 +907,7 @@ ivas_error ivas_dirac_sba_config( 


    return error;

}

#endif





#ifdef IVAS_FLOAT_FIXED

lib_dec/ivas_dirac_dec.c

+1 −1
Original line number Diff line number Diff line
@@ -107,7 +107,7 @@ static ivas_error ivas_dirac_dec_config_internal_fx( 
     * DirAC main configuration

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



    IF( NE_32( ( error = ivas_dirac_config( (void *) st_ivas, DEC ) ), IVAS_ERR_OK ) )

    IF( NE_32( ( error = ivas_dirac_config_fx( (void *) st_ivas, DEC ) ), IVAS_ERR_OK ) )

    {

        return error;

    }

lib_dec/ivas_init_dec.c

+7 −7
Original line number Diff line number Diff line
@@ -2054,7 +2054,7 @@ ivas_error ivas_init_decoder_fx( 
            }

        }



        Word16 hodirac_flag = ivas_get_hodirac_flag( ivas_total_brate, st_ivas->sba_analysis_order );

        Word16 hodirac_flag = ivas_get_hodirac_flag_fx( ivas_total_brate, st_ivas->sba_analysis_order );

        IF( hodirac_flag )

        {

            IF( NE_32( ( error = ivas_dirac_sba_config_fx( st_ivas->hQMetaData, &st_ivas->element_mode_init, ivas_total_brate, st_ivas->sba_analysis_order, IVAS_MAX_NUM_BANDS, st_ivas->ivas_format ) ), IVAS_ERR_OK ) )
@@ -2089,7 +2089,7 @@ ivas_error ivas_init_decoder_fx( 


            st_ivas->hSpar->enc_param_start_band = s_min( IVAS_MAX_NUM_BANDS, SPAR_DIRAC_SPLIT_START_BAND );

            move16();

            IF( ivas_get_hodirac_flag( ivas_total_brate, st_ivas->sba_analysis_order ) )

            IF( ivas_get_hodirac_flag_fx( ivas_total_brate, st_ivas->sba_analysis_order ) )

            {

                st_ivas->hSpar->enc_param_start_band = 0;

                move16();
@@ -2245,17 +2245,17 @@ ivas_error ivas_init_decoder_fx( 
            }

        }



        Word16 hodirac_flag = ivas_get_hodirac_flag( ivas_total_brate, st_ivas->sba_analysis_order );

        Word16 hodirac_flag = ivas_get_hodirac_flag_fx( ivas_total_brate, st_ivas->sba_analysis_order );

        IF( hodirac_flag )

        {

            IF( NE_32( ( error = ivas_dirac_sba_config( st_ivas->hQMetaData, &st_ivas->element_mode_init, ivas_total_brate, st_ivas->sba_analysis_order, IVAS_MAX_NUM_BANDS, st_ivas->ivas_format ) ), IVAS_ERR_OK ) )

            IF( NE_32( ( error = ivas_dirac_sba_config_fx( st_ivas->hQMetaData, &st_ivas->element_mode_init, ivas_total_brate, st_ivas->sba_analysis_order, IVAS_MAX_NUM_BANDS, st_ivas->ivas_format ) ), IVAS_ERR_OK ) )

            {

                return error;

            }

        }

        ELSE

        {

            IF( NE_32( ( error = ivas_dirac_sba_config( st_ivas->hQMetaData, &st_ivas->element_mode_init, ivas_total_brate, st_ivas->sba_analysis_order, ( IVAS_MAX_NUM_BANDS - SPAR_DIRAC_SPLIT_START_BAND ), st_ivas->ivas_format ) ), IVAS_ERR_OK ) )

            IF( NE_32( ( error = ivas_dirac_sba_config_fx( st_ivas->hQMetaData, &st_ivas->element_mode_init, ivas_total_brate, st_ivas->sba_analysis_order, ( IVAS_MAX_NUM_BANDS - SPAR_DIRAC_SPLIT_START_BAND ), st_ivas->ivas_format ) ), IVAS_ERR_OK ) )

            {

                return error;

            }
@@ -2280,7 +2280,7 @@ ivas_error ivas_init_decoder_fx( 
            Word16 band_grouping[IVAS_MAX_NUM_BANDS + 1];



            st_ivas->hSpar->enc_param_start_band = s_min( IVAS_MAX_NUM_BANDS, SPAR_DIRAC_SPLIT_START_BAND );

            IF( ivas_get_hodirac_flag( ivas_total_brate, st_ivas->sba_analysis_order ) )

            IF( ivas_get_hodirac_flag_fx( ivas_total_brate, st_ivas->sba_analysis_order ) )

            {

                st_ivas->hSpar->enc_param_start_band = 0;

                move16();
@@ -2289,7 +2289,7 @@ ivas_error ivas_init_decoder_fx( 
                move16();

            }



            ivas_dirac_config_bands( band_grouping, IVAS_MAX_NUM_BANDS, extract_l( Mpy_32_32_r( st_ivas->hDecoderConfig->output_Fs, INV_CLDFB_BANDWIDTH_Q31 ) ),

            ivas_dirac_config_bands_fx( band_grouping, IVAS_MAX_NUM_BANDS, extract_l( Mpy_32_32_r( st_ivas->hDecoderConfig->output_Fs, INV_CLDFB_BANDWIDTH_Q31 ) ),

                                     st_ivas->hSpar->dirac_to_spar_md_bands, st_ivas->hQMetaData->useLowerBandRes, st_ivas->hSpar->enc_param_start_band, 0 );

        }

lib_dec/ivas_sba_dec.c

+13 −5
Original line number Diff line number Diff line
@@ -432,11 +432,19 @@ ivas_error ivas_sba_dec_reconfigure( 
        ivas_mono_dmx_renderer_close( &st_ivas->hMonoDmxRenderer );

    }



#ifdef IVAS_FLOAT_FIXED

    if ( ( error = ivas_dirac_sba_config_fx( st_ivas->hQMetaData, &st_ivas->element_mode_init, ivas_total_brate, st_ivas->sba_analysis_order, ivas_get_hodirac_flag_fx( ivas_total_brate, st_ivas->sba_analysis_order ) ? IVAS_MAX_NUM_BANDS : ( IVAS_MAX_NUM_BANDS - SPAR_DIRAC_SPLIT_START_BAND ),

                                             st_ivas->ivas_format ) ) != IVAS_ERR_OK )

    {

        return error;

    }

#else

    if ( ( error = ivas_dirac_sba_config( st_ivas->hQMetaData, &st_ivas->element_mode_init, ivas_total_brate, st_ivas->sba_analysis_order, ivas_get_hodirac_flag( ivas_total_brate, st_ivas->sba_analysis_order ) ? IVAS_MAX_NUM_BANDS : ( IVAS_MAX_NUM_BANDS - SPAR_DIRAC_SPLIT_START_BAND ),

                                          st_ivas->ivas_format ) ) != IVAS_ERR_OK )

    {

        return error;

    }

#endif



    if ( ( ( st_ivas->renderer_type != RENDERER_DISABLE ) && ( st_ivas->renderer_type != RENDERER_SBA_LINEAR_DEC ) ) || ( ( hDecoderConfig->output_config != IVAS_AUDIO_CONFIG_FOA ) && ( st_ivas->hDecoderConfig->output_config != IVAS_AUDIO_CONFIG_STEREO ) && ( st_ivas->hDecoderConfig->output_config != IVAS_AUDIO_CONFIG_MONO ) ) )

    {
@@ -462,7 +470,7 @@ ivas_error ivas_sba_dec_reconfigure( 
        int16_t band_grouping[IVAS_MAX_NUM_BANDS + 1];



        st_ivas->hSpar->enc_param_start_band = min( IVAS_MAX_NUM_BANDS, SPAR_DIRAC_SPLIT_START_BAND );

        if ( ivas_get_hodirac_flag( ivas_total_brate, st_ivas->sba_analysis_order ) )

        if ( ivas_get_hodirac_flag_fx( ivas_total_brate, st_ivas->sba_analysis_order ) )

        {

            st_ivas->hSpar->enc_param_start_band = 0;
@@ -470,7 +478,7 @@ ivas_error ivas_sba_dec_reconfigure( 
            st_ivas->hQMetaData->numTwoDirBands = (uint8_t) st_ivas->hQMetaData->q_direction[0].cfg.nbands;

        }



        ivas_dirac_config_bands( band_grouping, IVAS_MAX_NUM_BANDS, (int16_t) ( st_ivas->hDecoderConfig->output_Fs * INV_CLDFB_BANDWIDTH + 0.5f ),

        ivas_dirac_config_bands_fx( band_grouping, IVAS_MAX_NUM_BANDS, (int16_t) ( st_ivas->hDecoderConfig->output_Fs * INV_CLDFB_BANDWIDTH + 0.5f ),

                                    st_ivas->hSpar->dirac_to_spar_md_bands, st_ivas->hQMetaData->useLowerBandRes, st_ivas->hSpar->enc_param_start_band, 0 );



        if ( st_ivas->hDirAC )
@@ -1084,7 +1092,7 @@ ivas_error ivas_sba_dec_reconfigure_fx( 
        ivas_mono_dmx_renderer_close( &st_ivas->hMonoDmxRenderer );

    }



    if ( NE_32( ( error = ivas_dirac_sba_config( st_ivas->hQMetaData, &st_ivas->element_mode_init, ivas_total_brate, st_ivas->sba_analysis_order, ivas_get_hodirac_flag( ivas_total_brate, st_ivas->sba_analysis_order ) ? IVAS_MAX_NUM_BANDS : ( IVAS_MAX_NUM_BANDS - SPAR_DIRAC_SPLIT_START_BAND ),

    if ( NE_32( ( error = ivas_dirac_sba_config_fx( st_ivas->hQMetaData, &st_ivas->element_mode_init, ivas_total_brate, st_ivas->sba_analysis_order, ivas_get_hodirac_flag( ivas_total_brate, st_ivas->sba_analysis_order ) ? IVAS_MAX_NUM_BANDS : ( IVAS_MAX_NUM_BANDS - SPAR_DIRAC_SPLIT_START_BAND ),

                                                 st_ivas->ivas_format ) ),

                IVAS_ERR_OK ) )

    {
@@ -1122,7 +1130,7 @@ ivas_error ivas_sba_dec_reconfigure_fx( 
            move16();

        }



        ivas_dirac_config_bands( band_grouping, IVAS_MAX_NUM_BANDS, (Word16) ( L_add( st_ivas->hDecoderConfig->output_Fs, 400 ) / CLDFB_BANDWIDTH ),

        ivas_dirac_config_bands_fx( band_grouping, IVAS_MAX_NUM_BANDS, (Word16) ( L_add( st_ivas->hDecoderConfig->output_Fs, 400 ) / CLDFB_BANDWIDTH ),

                                 st_ivas->hSpar->dirac_to_spar_md_bands, st_ivas->hQMetaData->useLowerBandRes, st_ivas->hSpar->enc_param_start_band, 0 );



        if ( st_ivas->hDirAC )