WebRTC crash occasionally in my app

[rcq...@gmail.com]

Hello,

Can someone help me on this crash? I'm using M51.

0 libsystem_kernel.dylib 0x000000018b8ce014 __pthread_kill + 4

1 libsystem_c.dylib 0x000000018b8423f4 abort + 136

2 MyMobile 0x0000000100dcd704 ~FatalMessage () (checks.cc:104)

3 MyMobile 0x0000000100dcd710 ~FatalMessage () (checks.cc:97)

4 MyMobile 0x0000000100d11304 GetPlayoutData (signed char) (fine_audio_buffer.cc:73)

5 MyMobile 0x0000000100d0ecb4 OnGetPlayoutData (audio_device_ios.mm:499)

6 MyMobile 0x0000000100d0ed48 non-virtual thunk to webrtc::AudioDeviceIOS::OnGetPlayoutData(unsigned int*, AudioTimeStamp const*, unsigned int, unsigned int, AudioBufferList*) (audio_device_ios.mm:459)

7 AudioToolbox 0x000000018fa36dc4 AUInputElement::PullInput() + 172

8 AudioToolbox 0x000000018f82cd30 AUInputFormatConverter2::InputProc() + 212

9 AudioToolbox 0x000000018f7b2320 AudioConverterChain::CallInputProc() + 408

10 AudioToolbox 0x000000018f7b1fb8 AudioConverterChain::FillBufferFromInputProc() + 144

11 AudioToolbox 0x000000018f7968e4 BufferedAudioConverter::GetInputBytes() + 176

12 AudioToolbox 0x000000018f730308 CBRConverter::RenderOutput() + 96

13 AudioToolbox 0x000000018f796764 BufferedAudioConverter::FillBuffer() + 560

14 AudioToolbox 0x000000018f7b1d38 AudioConverterChain::RenderOutput() + 112

15 AudioToolbox 0x000000018f796764 BufferedAudioConverter::FillBuffer() + 560

16 AudioToolbox 0x000000018f95e028 AudioConverterFillComplexBuffer + 324

17 AudioToolbox 0x000000018f82c9a0 AUInputFormatConverter2::PullAndConvertInput() + 116

18 AudioToolbox 0x000000018f82c738 AUConverterBase::RenderBus() + 640

19 AudioToolbox 0x000000018f7467ac AURemoteIO::RenderBus() + 80

20 AudioToolbox 0x000000018fa39744 AUBase::DoRenderBus() + 168

21 AudioToolbox 0x000000018fa39398 AUBase::DoRender() + 428

22 AudioToolbox 0x000000018f746410 AURemoteIO::PerformIO() + 748

23 AudioToolbox 0x000000018f747878 AURIOCallbackReceiver_PerformIO + 560

24 AudioToolbox 0x000000018f89708c _XPerformIO + 100

25 AudioToolbox 0x000000018fa28ee4 mshMIGPerform + 240

26 AudioToolbox 0x000000018fa290e4 MSHMIGDispatchMessage + 32

27 AudioToolbox 0x000000018f746a28 AURemoteIO::IOThread::Run() + 308

28 AudioToolbox 0x000000018f74ad08 AURemoteIO::IOThread::Entry() + 8

29 AudioToolbox 0x000000018fa2f590 CAPThread::Entry() + 80

30 libsystem_pthread.dylib 0x000000018b993860 _pthread_body + 236

31 libsystem_pthread.dylib 0x000000018b993770 _pthread_start + 280

32 libsystem_pthread.dylib 0x000000018b990dbc thread_start + 0

Thanks

[mbon...@webrtc.org]

Hi, can you please try to test it with M55?

If you are still having the problem even with M55 please file a bug at https://bugs.webrtc.org.

Mirko

[Henrik Andreasson]

Very difficult to say from just an isolated callstack.

Please use latest version of WebRTC and try to reproduce using the AppRTCMobile demo on iOS.

And file an issue here: https://bugs.chromium.org/p/webrtc/issues/list where you add more details

on how the crash can be reproduced exactly.

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[Zeke Chin]

Fwiw this is the crashing line:

https://cs.chromium.org/chromium/src/third_party/webrtc/modules/audio_device/fine_audio_buffer.cc?rcl=0&l=73

But do need details on how the crash occurred so we can repro and debug it.

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