Commit 1ace233b authored by vaclav's avatar vaclav Committed by Manuel Jander
Browse files

port fix

parent 4dbd7d4a

lib_dec/ivas_sba_rendering_internal_fx.c

+28 −0
Original line number Diff line number Diff line
@@ -211,6 +211,34 @@ void ivas_mc2sba_fx( 
    return;

}



#ifdef FIX_1419_MONO_STEREO_UMX



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

 * ivas_stereo2sba()

 *

 * stereo signal is transformed into SBA in TD domain

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



void ivas_stereo2sba_fx(

    Word32 *input_fx[],       /* i  : core-coder transport stereo channels */

    Word32 *output_fx[],      /* o  : SBA output channels                  */

    const Word16 output_frame /* i  : output frame length per channel      */

)

{

    Word16 n;

    Word32 tmp;



    FOR( n = 0; n < output_frame; n++ )

    {

        tmp = input_fx[0][n];

        output_fx[0][n] = L_shr( L_add( tmp, input_fx[1][n] ), 1 ); /* W = 0.5 * ( L + R ) */

        output_fx[1][n] = L_shr( L_sub( tmp, input_fx[1][n] ), 1 ); /* Y = 0.5 * ( L - R ) */

    }



    return;

}



#endif



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

 * ivas_stereo2sba()