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software hang on IAudioClient::Release() when using USB headset

Guest tie zhang

By Guest tie zhang
in Microsoft Products Support & Discussions

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Guest tie zhang

Guest tie zhang

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When using linphone sdk 5.2.114, I found it occasionally hangs on customer's windows 7 machine, using usb headset, when the sip call is turning to hold mode(recvonly). The sdk trys to end audio stream on this event.I have located the hanging code line by adding log and recompile sdk, it's in mswasapi_reader.cpp, MSWASAPIReader::~MSWASAPIReader() { RELEASE_CLIENT(mAudioClient); ...}RELEASE_CLIENT(mAudioClient) is a C macro which boils down to IAudioClient::Release().With some effort, I have reproduced it on a windows 7 virtual machine, also using USB headset. The frequency is one hang after 150

 

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