fenix
/
fdk-aac
mirror of https://github.com/mstorsjo/fdk-aac.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Check that the SBR decoder has been properly initialized 

This probably doesn't fix the root cause, but at least fixes
the issues found in this particular fuzzed sample.

Fixes: 1994/clusterfuzz-testcase-minimized-6368089497141248

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
This commit is contained in:
Martin Storsjo 2017-06-10 13:58:13 +03:00
parent 40e15b58d0
commit 3bfec4eaef
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libSBRdec/src/sbr_dec.cpp
View File

@ -1039,6 +1039,10 @@ resetSbrDec(HANDLE_SBR_DEC hSbrDec, HANDLE_SBR_HEADER_DATA hHeaderData,
FIXP_DBL **OverlapBufferReal = hSbrDec->qmfDomainInCh->hQmfSlotsReal;
FIXP_DBL **OverlapBufferImag = hSbrDec->qmfDomainInCh->hQmfSlotsImag;
if (!hSbrDec->LppTrans.pSettings) {
return SBRDEC_NOT_INITIALIZED;
}
/* in case the previous frame was not active in terms of SBR processing, the
full band from 0 to no_channels was rescaled and not overwritten. Thats why
the scaling factor lb_scale can be seen as assigned to all bands from 0 to