Commit 7ffce0ac authored by Fabian Bauer's avatar Fabian Bauer
Browse files

delete FIX_1072_SPEEDUP_output_synthesis_procSlot 2

parent e195b40a

lib_rend/ivas_dirac_output_synthesis_dec.c

+0 −61
Original line number Diff line number Diff line
@@ -942,66 +942,6 @@ void ivas_dirac_dec_output_synthesis_process_slot_fx( 
                                b = BASOP_Util_Divide3232_Scale( reference_power[k + num_freq_bands], reference_power[k + ( ch_idx + 1 ) * num_freq_bands], &b_exp ); /*q(15-b_exp)*/

                            }

                        }

#define FIX_1072_SPEEDUP_output_synthesis_procSlot

#ifdef FIX_1072_SPEEDUP_output_synthesis_procSlot

                        q_diff_aab = add( h_dirac_output_synthesis_state->direct_responses_q + sub( sub( 15, b_exp ), 15 ), add( sub( h_dirac_output_synthesis_state->direct_responses_q, 31 ), sub( q_diffuseness, 31 ) ) );

                        q_diff_c = sub( q_diffuseness, 4 );



                        {

                            Word16 mpy_diff_c_exp = sub( 31, q_diff_c );

                            Word16 q_diff_aab_exp = sub( 31, q_diff_aab );



                            Word32 L_tmp, L_tmp1, L_tmp2;

                            Word16 shift;



                            mpy_a_a_b = Mpy_32_32( a, Mpy_32_16_1( a, b ) );                                           // Q = (h_dirac_output_synthesis_state->q_direct_responses + (15 - b_exp) - 15) + (h_dirac_output_synthesis_state->q_direct_responses) - 31

                            mpy_diff_aab = Mpy_32_32( L_sub( L_shl( 1, q_diffuseness ), diffuseness[k] ), mpy_a_a_b ); // Q = 2*(h_dirac_output_synthesis_state->q_direct_responses) - b_exp - 31 + q_diffuseness -31

                            

                            L_tmp = L_add( diffuseness[k], 0 );



                            if ( !diffuseness[k] )

                                mpy_diff_c_exp = add( q_diff_aab_exp, 0 );

                            if ( !c )

                                mpy_diff_c_exp = add( q_diff_aab_exp, 0 );

                            if ( !mpy_diff_aab )

                                q_diff_aab_exp = add( mpy_diff_c_exp, 0 );



                            shift = sub( mpy_diff_c_exp, q_diff_aab_exp );

                            shift = s_max( -31, shift );

                            shift = s_min( 31, shift );

                            if ( shift < 0 )

                            {

                                /* exponent of b is greater than exponent of a, shr mpy_diff_c */

                                L_tmp = L_shl( L_tmp, shift );

                            }

                            if ( shift > 0 )

                            {

                                /* exponent of a is greater than exponent of b */

                                mpy_diff_aab = L_shr( mpy_diff_aab, shift );

                            }

                            mpy_diff_c_exp = add( s_max( mpy_diff_c_exp, q_diff_aab_exp ), 1 );

                            L_tmp = L_shr( L_tmp, 1 );

                            L_tmp1 = L_shr( mpy_diff_aab, 1 );



                            L_tmp = Madd_32_32( L_tmp1, L_tmp, c ); // Q = q_diffuseness - 4



                            /*Todo: simplify so that mpy+add can be merged to madd*/



                            // sqr_inp = BASOP_Util_Add_Mant32Exp( mpy_diff_c, sub( 31, q_diff_c ), mpy_diff_aab, sub( 31, q_diff_aab ), &sqr_exp ); /*q(31-sqr_exp)*/



                            shift = norm_l( L_tmp );

                            if ( shift )

                                L_tmp = L_shl( L_tmp, shift );

                            if ( L_tmp == 0 )

                                mpy_diff_c_exp = add( 0, 0 );

                            if ( L_tmp != 0 )

                                mpy_diff_c_exp = sub( mpy_diff_c_exp, shift );

                            sqr_exp = mpy_diff_c_exp;



                            sqr_inp = L_tmp;

                        }



#else

                        mpy_a_a_b = Mpy_32_32( a, Mpy_32_16_1( a, b ) );                                           // Q = (h_dirac_output_synthesis_state->q_direct_responses + (15 - b_exp) - 15) + (h_dirac_output_synthesis_state->q_direct_responses) - 31

                        mpy_diff_aab = Mpy_32_32( L_sub( L_shl( 1, q_diffuseness ), diffuseness[k] ), mpy_a_a_b ); // Q = 2*(h_dirac_output_synthesis_state->q_direct_responses) - b_exp - 31 + q_diffuseness -31

                        mpy_diff_c = Mpy_32_32( diffuseness[k], c );                                               // Q = q_diffuseness - 4
@@ -1029,7 +969,6 @@ void ivas_dirac_dec_output_synthesis_process_slot_fx( 
                                sqr_exp = sub( 31, q_diff_c ); /*q_diff_c*/

                            }

                        }

#endif



                        sqr = Sqrt32( sqr_inp, &sqr_exp ); /*Q(31-sqr_exp)*/

                        sqr = L_shr( sqr, 2 );             /*Q(31-sqr_exp)*/