Commit 07f578b1 authored by vaillancour's avatar vaillancour
Browse files

proposed fix for 725, saturation vlpc_2st_dec

parent fe75cdf5

lib_com/options.h

+1 −0
Original line number Diff line number Diff line
@@ -118,6 +118,7 @@ 
/* ##################### End NON-BE switches ########################### */

#define FIX_740_HQ_CORE_OVA // Proposed fix to solve overlap and add issue for HQ_CORE

#define FIX_746  // proposed fix to solve low bit-rate frame boundaries issues 

#define FIX_SATURATION_725  // Propose fix for saturation in AVQ



/* ################## End DEVELOPMENT switches ######################### */

lib_dec/vlpc_2st_dec_fx.c

+13 −1
Original line number Diff line number Diff line
@@ -7,6 +7,9 @@ 
#include "options.h"

#include "prot_fx1.h"

#include "prot_fx2.h"

//#ifdef DEBUGGING  to be removed

#include <assert.h>

//#endif



void vlpc_2st_dec(

    Word16 *lsfq,       /* i/o: i:1st stage   o:1st+2nd stage   */
@@ -32,7 +35,16 @@ void vlpc_2st_dec( 


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

    {

        lsfq[i] = add(lsfq[i], shl(mult_r(w[i], shl(xq[i],10)),2));                         /*14Q1*1.28*/ 	move16();

#ifdef FIX_SATURATION_725

        //#ifdef DEBUGGING  to be removed

        assert( abs_s( xq[i] ) <= 32 );                                           /* If xq > 32 for IVAS, we might need a different loop implementation */

                                                                                  //#endif

        lsfq[i] = add( lsfq[i], shl( mult_r( w[i], shl_sat( xq[i], 10 ) ), 2 ) ); /*14Q1*1.28*/

        move16();

#else

        lsfq[i] = add( lsfq[i], shl( mult_r( w[i], shl( xq[i], 10 ) ), 2 ) ); /*14Q1*1.28*/

        move16();

#endif

    }



    /* reorder */