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Only allowing silence in non-hybrid mode.

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Also defining a 1-byte packet as triggering the PLC/CNG
This commit is contained in:
Jean-Marc Valin 2011-01-26 22:04:59 -05:00
parent a396e153b9
commit 65d35a35cf
1 changed files with 11 additions and 5 deletions
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16
libcelt/celt.c
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@ -825,7 +825,7 @@ int celt_encode_with_ec_float(CELTEncoder * restrict st, const celt_sig * pcm, i
int silence=0;
SAVE_STACK;
if (nbCompressedBytes<0 || pcm==NULL)
if (nbCompressedBytes<2 || pcm==NULL)
return CELT_BAD_ARG;
for (LM=0;LM<4;LM++)
@ -924,13 +924,16 @@ int celt_encode_with_ec_float(CELTEncoder * restrict st, const celt_sig * pcm, i
CELT_COPY(pre[c]+COMBFILTER_MAXPERIOD, in+c*(N+st->overlap)+st->overlap, N);
} while (++c<C);
ec_enc_bit_logp(enc, silence, 15);
if (tell==1)
ec_enc_bit_logp(enc, silence, 15);
else
silence=0;
if (silence)
{
/*In VBR mode there is no need to send more than the minimum. */
if (vbr_rate>0)
{
effectiveBytes=nbCompressedBytes=nbFilledBytes+2;
effectiveBytes=nbCompressedBytes=IMIN(nbCompressedBytes, nbFilledBytes+2);
total_bits=nbCompressedBytes*8;
nbAvailableBytes=2;
ec_byte_shrink(&buf, nbCompressedBytes);
@ -2019,7 +2022,7 @@ int celt_decode_with_ec_float(CELTDecoder * restrict st, const unsigned char *da
X[c*N+i] = 0;
while (++c<C);
if (data == NULL)
if (data == NULL || len<=1)
{
celt_decode_lost(st, pcm, N, LM);
RESTORE_STACK;
@ -2040,7 +2043,10 @@ int celt_decode_with_ec_float(CELTDecoder * restrict st, const unsigned char *da
total_bits = len*8;
tell = ec_dec_tell(dec, 0);
silence = ec_dec_bit_logp(dec, 15);
if (tell==1)
silence = ec_dec_bit_logp(dec, 15);
else
silence = 0;
if (silence)
{
/* Pretend we've read all the remaining bits */