Commit 5f567820 authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
Browse files

Fix for 3GPP issue 1397: Stereo Encoder: 48 kbit/s DTX on, click in LTV 

Link #1397
parent 3360bab9

lib_enc/fd_cng_enc_fx.c

+8 −5
Original line number Diff line number Diff line
@@ -2841,14 +2841,17 @@ void FdCngEncodeMDCTStereoSID_fx( 
            {

                t1 = BASOP_Util_Log2( lr_in_ptr_fx[ch][p] );                 // Q25

                t2 = L_add( t1, L_shl( lr_in_ptr_e[ch], Q25 ) );             // Q25

                ms_ptr_fx[ch][p] = Mpy_32_32( t2, TEN_MULT_LOG10_2_IN_Q29 ); // Q23

                move32();

            }

            ELSE

            {

                t2 = 0;

                // 10.f * log10f( EPSILON ) --> -150.0f

                // Subsequent additions / subtractions happen on these numbers, so to avoid saturations

                // this value is set to -128.0f in Q23

                ms_ptr_fx[ch][p] = -ONE_IN_Q30; // Q23

                move32();

            }

            ms_ptr_fx[ch][p] = Mpy_32_32( t2, TEN_MULT_LOG10_2_IN_Q29 ); // Q23

            move32();

            E_fx[ch] = L_add( E_fx[ch], L_shr( ms_ptr_fx[ch][p], 4 ) ); // Q19

            move32();

        }