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Add sanity check for huffman escape sequences in HCR tool.

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Bug: 145669389
Test: atest DecoderTestXheAac ; atest DecoderTestAacDrc
Change-Id: Iaa624f3040269b5c84883bc3ee38cad7cd88e54d
This commit is contained in:
Fraunhofer IIS FDK 2019-10-29 13:09:38 +01:00 committed by Jean-Michel Trivi
parent 3700d4ff8f
commit 2334454bc8
1 changed files with 5 additions and 1 deletions
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6
libAACdec/src/aacdec_hcrs.cpp
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@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
© Copyright 1995 - 2018 Fraunhofer-Gesellschaft zur Förderung der angewandten
© Copyright 1995 - 2019 Fraunhofer-Gesellschaft zur Förderung der angewandten
Forschung e.V. All rights reserved.
1. INTRODUCTION
@ -1324,6 +1324,10 @@ UINT Hcr_State_BODY_SIGN_ESC__ESC_PREFIX(HANDLE_FDK_BITSTREAM bs, void *ptr) {
/* count ones and store sum in escapePrefixUp */
if (carryBit == 1) {
escapePrefixUp += 1; /* update conter for ones */
if (escapePrefixUp > 8) {
pHcr->decInOut.errorLog |= STATE_ERROR_BODY_SIGN_ESC__ESC_PREFIX;
return BODY_SIGN_ESC__ESC_PREFIX;
}
/* store updated counter in sideinfo of current codeword */
pEscapeSequenceInfo[codewordOffset] &=