Commit a6cce468 authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
Browse files

Fix for 3gpp issue 903

parent 9d43551e

lib_com/options.h

+1 −0
Original line number Diff line number Diff line
@@ -135,6 +135,7 @@ 
#define NONBE_MDCT_ST_DTX_SKIP_DEWHITENING_OF_NOISE_SHAPES_ON_SID_FRAMES /* FhG: issue 1133: skip de-whitening of bg noise shape after frameloss period if the first good frame is an SID */

#define NONBE_MDCT_ST_PLC_DO_NOT_SCALE_OLD_OUT_IF_FIRST_GOOD_IS_SID /* FhG: issue 1133: in TCX PLC, don't scale hHQ_core->old_out after applying fade to noise in burst frame error */

#define NON_BE_FIX_BASOP_819_THRESHOLD_MASA2TOTAL

#define FIX_903_ZERO_OUT_IMDCT_BUFFERS_FOR_MCT_IGNORE   /* FhG: zero out all relevant imdct buffers in MCT decoding of channels with mct_chan_mode == MCT_CHAN_MODE_IGNORE */



/* ##################### End NON-BE switches ########################### */

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

lib_dec/ivas_mdct_core_dec.c

+18 −0
Original line number Diff line number Diff line
@@ -1862,6 +1862,15 @@ void ivas_mdct_core_reconstruct( 
                {

                    set_f( &synth[k * L_frame[ch]], 0.f, L_frame[ch] );

                    set_f( &synthFB[k * L_frame[ch]], 0.f, L_frameTCX[ch] );

#ifdef FIX_903_ZERO_OUT_IMDCT_BUFFERS_FOR_MCT_IGNORE

                    /* Note: these buffers are not subframe-based, hence no indexing with k */

                    set_f( &st->hHQ_core->old_outLB[0], 0.f, L_frame[ch] );

                    set_f( &st->hHQ_core->old_out[0], 0.f, L_frameTCX[ch] );

                    set_f( &st->hTcxDec->syn_Overl[0], 0.f, L_frame[ch] / 2 );

                    set_f( &st->hTcxDec->syn_OverlFB[0], 0.f, L_frameTCX[ch] / 2 );

                    set_f( &st->hTcxDec->syn_Overl_TDAC[0], 0.f, L_frame[ch] / 2 );

                    set_f( &st->hTcxDec->syn_Overl_TDACFB[0], 0.f, L_frameTCX[ch] / 2 );

#endif

                }

            }
@@ -2093,6 +2102,15 @@ void ivas_mdct_core_reconstruct_fx( 
                {

                    set16_fx( &synth_fx[k * L_frame[ch]], 0, L_frame[ch] );

                    set16_fx( &synthFB_fx[k * L_frame[ch]], 0, L_frameTCX[ch] );

#ifdef FIX_903_ZERO_OUT_IMDCT_BUFFERS_FOR_MCT_IGNORE

                    /* Note: these buffers are not subframe-based, hence no indexing with k */

                    set16_fx( &st->hHQ_core->old_out_LB_fx[0], 0, L_frame[ch] );

                    set16_fx( &st->hHQ_core->old_out_fx[0], 0, L_frameTCX[ch] );

                    set16_fx( &st->hTcxDec->syn_Overl[0], 0, shr( L_frame[ch], 1 ) );

                    set16_fx( &st->hTcxDec->syn_OverlFB[0], 0, shr( L_frameTCX[ch], 1 ) );

                    set16_fx( &st->hTcxDec->syn_Overl_TDAC[0], 0, shr( L_frame[ch], 1 ) );

                    set16_fx( &st->hTcxDec->syn_Overl_TDACFB[0], 0, shr( L_frameTCX[ch], 1 ) );

#endif

                }

            }