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Memory issue with AAC decoder
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Memory issue with AAC decoder


  • Subject: Memory issue with AAC decoder
  • From: Beinan Li <email@hidden>
  • Date: Thu, 17 Oct 2013 14:18:18 -0400

We had a crash in our app due to memory issue in the AAC decoder. 
The crash callstack looks like this

#0 0x01148558 in ITF::memoryStatsManager::removeAllocation(void*) at /main/src/core/memory/memoryStatsManager.cpp:215
#1 0x01143134 in ITF::defaultFree(void*) at /main/premake_build/solutions/xcode4ios/../../../src/core/memory/memory_iOS.h:138
#2 0x01142a44 in ITF::Memory::free(void*) at /main/src/core/memory/memory.cpp:336
#3 0x01142d50 in operator delete(void*) at /main/src/core/memory/memory.cpp:122
#4 0x308ed8f6 in MP4BoxParser_iTunesMeta::GetDataSizeForMeaningName(char const*, unsigned long) ()
#5 0x308ee710 in MP4BoxParser_iTunesSMPBMeta::Init() ()
#6 0x308cf436 in MP4AudioFile::FillPacketTableInfoFromiTunesUserData() ()
#7 0x308cd532 in MP4AudioFile::ParseAudioFile() ()
#8 0x30896190 in AudioFileObject::DoOpenWithCallbacks(void*, long (*)(void*, long long, unsigned long, void*, unsigned long*), long (*)(void*, long long, unsigned long, void const*, unsigned long*), long long (*)(void*), long (*)(void*, long long)) ()
#9 0x308937c8 in AudioFileOpenWithCallbacks ()
#10 0x00267a98 in CSrcAAC<CSrcBaseEx>::DecodeAACHeaders() at /main/src/lib/src/Codecs/SrcAACimpl.h:610
#11 0x00269d50 in CSrcAACDeferred<CSrcBaseEx>::DecodeAACHeadersJob::Process() at /main/src/lib/src/Codecs/SrcAACDeferred.h:154
#12 0x002660b6 in CAACJobsMgr::Run() at /main/src/lib/Codecs/AACDecoder/AACJobsMgr.cpp:93
#13 0x00266036 in CAACJobsMgr::AACJobsMgrThreadFunc(void*) at /main/src/lib/Codecs/AACDecoder/AACJobsMgr.cpp:68
#14 0x3bc2ec5c in _pthread_body ()
#15 0x3bc2ebce in _pthread_start ()

We don't know what exactly happened in the decoder (Stack Frame #0-9). 
Could someone one point us to the right direction?

Thanks!


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