Commit b5c59232 authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
Browse files

hoa gain matrix and bin renderer changes 

[x] Contains changes for conversion of 3 subfunctions used in binRenderer_internal.c
along with changes to accomodate fixed buffers (hoa_gain_matrix).
parent 0532a64f

lib_com/ivas_prot.h

+12 −1
Original line number Diff line number Diff line
@@ -3715,6 +3715,7 @@ void ivas_sba_dirac_stereo_smooth_parameters( 
    const int16_t num_md_sub_frames                             /* i  : number of subframes in mixing matrix    */

);



#ifndef IVAS_FLOAT_FIXED

void ivas_sba2mc_cldfb(

    IVAS_OUTPUT_SETUP hInSetup,                                             /* i  : Format of input layout              */

    float RealBuffer[][MAX_PARAM_SPATIAL_SUBFRAMES][CLDFB_NO_CHANNELS_MAX], /* i/o: cldfb real part                     */
@@ -3724,7 +3725,17 @@ void ivas_sba2mc_cldfb( 
    const int16_t nb_timeslots,                                             /* i  : number of time slots to process     */

    const float *hoa_dec_mtx                                                /* i  : HOA decoding mtx                    */

);



#else

void ivas_sba2mc_cldfb_fixed(

    IVAS_OUTPUT_SETUP hInSetup,                                              /* i  : Format of input layout          */

    Word32 RealBuffer[][MAX_PARAM_SPATIAL_SUBFRAMES][CLDFB_NO_CHANNELS_MAX], /* i/o: cldfb real part (Q_real)        */

    Word32 ImagBuffer[][MAX_PARAM_SPATIAL_SUBFRAMES][CLDFB_NO_CHANNELS_MAX], /* i/o: cldfb imag part (Q_imag)        */

    const Word16 nb_channels_out,                                            /* i  : nb of output channels           */

    const Word16 nb_bands,                                                   /* i  : nb of CLDFB bands to process    */

    const Word16 nb_timeslots,                                               /* i  : number of time slots to process */

    const Word32 *hoa_dec_mtx                                                /* i  : HOA decoding mtx                */

);

#endif



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

 * DirAC prototypes

lib_com/prot_fx2.h

+16 −0
Original line number Diff line number Diff line
@@ -5145,6 +5145,22 @@ void v_multc_fixed( 
    const Word16 N    /* i  : Vector length                                    */

);



void v_add_fixed(

    const Word32 x1[], /* i  : Input vector 1                                   */

    const Word32 x2[], /* i  : Input vector 2                                   */

    Word32 y[],        /* o  : Output vector that contains vector 1 - vector 2  */

    const Word16 N,    /* i  : Vector length                                    */

    const Word16 hdrm  /* i  : headroom for when subtraction result > 1 or < -1 */

);



void v_add_w64(

    const Word64 x1[], /* i  : Input vector 1                                   */

    const Word64 x2[], /* i  : Input vector 2                                   */

    Word64 y[],        /* o  : Output vector that contains vector 1 - vector 2  */

    const Word16 N,    /* i  : Vector length                                    */

    const Word16 hdrm  /* i  : headroom for when subtraction result > 1 or < -1 */

);



void v_sub_fixed(

    const Word32 x1[], /* i  : Input vector 1                                   */

    const Word32 x2[], /* i  : Input vector 2                                   */

lib_com/tools.c

+48 −0
Original line number Diff line number Diff line
@@ -964,6 +964,54 @@ void v_add( 
    return;

}



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

 * v_add_fixed()

 *

 * Subtraction of two vectors sample by sample

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



void v_add_fixed(

    const Word32 x1[], /* i  : Input vector 1                                   */

    const Word32 x2[], /* i  : Input vector 2                                   */

    Word32 y[],        /* o  : Output vector that contains vector 1 - vector 2  */

    const Word16 N,    /* i  : Vector length                                    */

    const Word16 hdrm  /* i  : headroom for when subtraction result > 1 or < -1 */

)

{

    Word16 i;



    FOR( i = 0; i < N; i++ )

    {

        y[i] = L_add( L_shr( x1[i], hdrm ), L_shr( x2[i], hdrm ) );

    }



    return;

}



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

 * v_add_w64()

 *

 * Subtraction of two vectors sample by sample

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



void v_add_w64(

    const Word64 x1[], /* i  : Input vector 1                                   */

    const Word64 x2[], /* i  : Input vector 2                                   */

    Word64 y[],        /* o  : Output vector that contains vector 1 - vector 2  */

    const Word16 N,    /* i  : Vector length                                    */

    const Word16 hdrm  /* i  : headroom for when subtraction result > 1 or < -1 */

)

{

    Word16 i;



    FOR( i = 0; i < N; i++ )

    {

        y[i] = W_add( W_shr( x1[i], hdrm ), W_shr( x2[i], hdrm ) );

    }



    return;

}





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

 * v_sub()

lib_dec/ivas_binRenderer_internal.c

+824 −212

File changed.

Preview size limit exceeded, changes collapsed.

lib_dec/ivas_rom_dec.c

+9 −0
Original line number Diff line number Diff line
@@ -504,6 +504,15 @@ const float dmxmtx_table[BINAURAL_CHANNELS][11] = 
    { 0.0f, 1.0f, 0.70709997f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f },

};



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

 * FASTCONV and PARAMETRIC binaural renderer ROM tables

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



const Word32 dmxmtx_table_fx[BINAURAL_CHANNELS][11] =

{ // Q31

    { 0x7fffffff, 0, 1518485623, 0x7fffffff, 0, 0x7fffffff, 0, 0x7fffffff, 0, 0x7fffffff, 0 },

    { 0, 0x7fffffff, 1518485623, 0, 0x7fffffff, 0, 0x7fffffff, 0, 0x7fffffff, 0, 0x7fffffff },

};