eden-emu/opus
19
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Trying not to crash on bit errors

Browse source 
When the pitch flag gets corrupted, make sure that pitch is actually
allowed instead of generating a bogus pitch index and crashing.
This commit is contained in:
Jean-Marc Valin 2010-05-31 21:56:12 -04:00
parent 816f893569
commit 32589cd33e
1 changed files with 10 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

12
libcelt/celt.c
View file

@ -1672,8 +1672,16 @@ int celt_decode_with_ec_float(CELTDecoder * restrict st, const unsigned char *da
if (has_pitch)
{
pitch_index = ec_dec_uint(dec, MAX_PERIOD-(2*N-2*N4));
gain_id = ec_dec_uint(dec, 16);
int maxpitch = MAX_PERIOD-(2*N-2*N4);
if (maxpitch<0)
{
celt_notify("detected pitch when not allowed, bit corruption suspected");
pitch_index = 0;
has_pitch = 0;
} else {
pitch_index = ec_dec_uint(dec, maxpitch);
gain_id = ec_dec_uint(dec, 16);
}
} else {
pitch_index = 0;
}