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Fix the "no lookahead" case

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This commit is contained in:
Jean-Marc Valin 2021-10-30 02:37:09 -04:00
parent 71a2656768
commit 81229a7412
2 changed files with 5 additions and 1 deletions
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4
dnn/lpcnet.c
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@ -106,10 +106,12 @@ void run_frame_network(LPCNetState *lpcnet, float *gru_a_condition, float *gru_b
compute_dense(&gru_b_dense_feature, gru_b_condition, condition); compute_dense(&gru_b_dense_feature, gru_b_condition, condition);
#ifdef END2END #ifdef END2END
rc2lpc(lpc, rc); rc2lpc(lpc, rc);
#else #elif FEATURES_DELAY>0
memcpy(lpc, lpcnet->old_lpc[FEATURES_DELAY-1], LPC_ORDER*sizeof(lpc[0])); memcpy(lpc, lpcnet->old_lpc[FEATURES_DELAY-1], LPC_ORDER*sizeof(lpc[0]));
memmove(lpcnet->old_lpc[1], lpcnet->old_lpc[0], (FEATURES_DELAY-1)*LPC_ORDER*sizeof(lpc[0])); memmove(lpcnet->old_lpc[1], lpcnet->old_lpc[0], (FEATURES_DELAY-1)*LPC_ORDER*sizeof(lpc[0]));
lpc_from_cepstrum(lpcnet->old_lpc[0], features); lpc_from_cepstrum(lpcnet->old_lpc[0], features);
#else
lpc_from_cepstrum(lpc, features);
#endif #endif
if (lpcnet->frame_count < 1000) lpcnet->frame_count++; if (lpcnet->frame_count < 1000) lpcnet->frame_count++;
} }

2
dnn/lpcnet_private.h
View file

@ -27,7 +27,9 @@ struct LPCNetState {
NNetState nnet; NNetState nnet;
int last_exc; int last_exc;
float last_sig[LPC_ORDER]; float last_sig[LPC_ORDER];
#if FEATURES_DELAY>0
float old_lpc[FEATURES_DELAY][LPC_ORDER]; float old_lpc[FEATURES_DELAY][LPC_ORDER];
#endif
float sampling_logit_table[256]; float sampling_logit_table[256];
int frame_count; int frame_count;
float deemph_mem; float deemph_mem;