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Implementing bit-stream padding

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This commit is contained in:
Jean-Marc Valin 2011-03-30 15:46:42 +02:00
parent 940931e49b
commit 43c260ba54
1 changed files with 16 additions and 0 deletions
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16
src/opus_decoder.c
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@ -398,6 +398,22 @@ int opus_decode(OpusDecoder *st, const unsigned char *data,
if (st->frame_size*count*25 > 3*st->Fs)
return OPUS_CORRUPTED_DATA;
len--;
/* Padding bit */
if (ch&0x40)
{
int padding=0;
int p;
do {
if (len<=0)
return OPUS_CORRUPTED_DATA;
p = *data++;
len--;
padding += p==255 ? 254: p;
} while (p==255);
len -= padding;
}
if (len<0)
return OPUS_CORRUPTED_DATA;
/* Bit 7 is VBR flag (bit 6 is ignored) */
if (ch&0x80)
{