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Random crash in Convolution plugin thread

0 votes
Hello,

We develop a game using UE4 and Wwise 2019 for audio. Using the Convolution plugin triggers a random crash in the AkConvolutionReverb thread, in what appears to be some normal processing.

For the moment we have a basic setup, with just a few convolution effects added. It seems that only removing the convolution reverb effects from the wwise project will stop the crash from happening. (Note that it is a random crash, can't really link it to some specific sounds being played, or some audio volumes, etc.)

the callstack of the crash looks like this:

>    AkConvolutionReverb.dll!CAkHalfPrecisionConvolutionEngine::ExecuteChannels(float * * io_pfData, unsigned long in_uNumFrames, unsigned long in_uNumChannels, float in_fInputThreshold, unsigned char * in_puIrChannelIndices) Line 368    C++
     AkConvolutionReverb.dll!CAkConvolutionReverbFX::Execute(AkAudioBuffer * io_pBuffer) Line 889    C++
     [Inline Frame] PROJ-Win64-DebugGame.exe!CAkVPLMixBusNode::ProcessFX(unsigned long) Line 1426    C++
     PROJ-Win64-DebugGame.exe!CAkVPLMixBusNode::ProcessAllFX() Line 1387    C++
     PROJ-Win64-DebugGame.exe!CAkVPLMixBusNode::GetResultingBuffer() Line 1341    C++
     [Inline Frame] PROJ-Win64-DebugGame.exe!CAkLEngine::TransferBuffer(AkVPL *) Line 119    C++
     [Inline Frame] PROJ-Win64-DebugGame.exe!CAkLEngine::PerformMixing(bool) Line 2862    C++
     PROJ-Win64-DebugGame.exe!CAkLEngine::SoftwarePerform() Line 2276    C++
     PROJ-Win64-DebugGame.exe!CAkLEngine::Perform() Line 836    C++
     PROJ-Win64-DebugGame.exe!CAkAudioMgr::Perform() Line 576    C++
     PROJ-Win64-DebugGame.exe!CAkAudioThread::EventMgrThreadFunc(void * lpParameter) Line 74    C++
     [External Code]    
     [Frames may be missing, no binary loaded for ntdll.dll]    
     [External Code]    

on the thread:

 0x00003104    0x00    Worker Thread    Win64 Thread    AkConvolutionReverb.dll!CAkHalfPrecisionConvolutionEngine::ExecuteChannels
 

Thank you,

Adrian
in General Discussion by adrian b. (110 points)

2 Answers

0 votes
Hello,

i have exactly the same crash with convolution plugin and i did not found how to fix it.

Source code is not available so not it's not easy to debug

 

   Franck
by franck o. (200 points)
+1 vote

Just seen it has been fixed in Wwise  v2021.1.1

WG-53536 Fixed: Crash when loading or unloading audio assets while Convolution Reverb is in use.

 

 

   Franck

by franck o. (200 points)
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