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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 39e13c1acb
commit e7f36eed22
1 changed files with 4 additions and 0 deletions
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4
libSBRdec/src/sbr_dec.cpp
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@ -940,6 +940,10 @@ resetSbrDec (HANDLE_SBR_DEC hSbrDec,
FIXP_DBL **OverlapBufferReal = hSbrDec->QmfBufferReal;
FIXP_DBL **OverlapBufferImag = hSbrDec->QmfBufferImag;
if (!hSbrDec->LppTrans.pSettings) {
return SBRDEC_NOT_INITIALIZED;
}
/* assign qmf time slots */
assignTimeSlots( hSbrDec, hHeaderData->numberTimeSlots * hHeaderData->timeStep, useLP);