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Fix CELT PLC for single packet between losses

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Avoids switching to CNG unless we just have a "refresh packet"
This commit is contained in:
Jean-Marc Valin 2023-10-30 17:14:43 -04:00
parent da60266f6e
commit 74c67a8df5
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GPG key ID: 531A52533318F00A
1 changed files with 3 additions and 1 deletions
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4
celt/celt_decoder.c
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@ -708,6 +708,8 @@ static void celt_decode_lost(CELTDecoder * OPUS_RESTRICT st, int N, int LM
celt_synthesis(mode, X, out_syn, oldBandE, start, effEnd, C, C, 0, LM, st->downsample, 0, st->arch); celt_synthesis(mode, X, out_syn, oldBandE, start, effEnd, C, C, 0, LM, st->downsample, 0, st->arch);
st->prefilter_and_fold = 0; st->prefilter_and_fold = 0;
/* Skip regular PLC until we get two consecutive packets. */
st->skip_plc = 1;
} else { } else {
int exc_length; int exc_length;
/* Pitch-based PLC */ /* Pitch-based PLC */
@ -1118,7 +1120,7 @@ int celt_decode_with_ec_dred(CELTDecoder * OPUS_RESTRICT st, const unsigned char
/* Check if there are at least two packets received consecutively before /* Check if there are at least two packets received consecutively before
* turning on the pitch-based PLC */ * turning on the pitch-based PLC */
st->skip_plc = st->loss_duration != 0; if (st->loss_duration == 0) st->skip_plc = 0;
if (dec == NULL) if (dec == NULL)
{ {