Thank you for your report. We have a similar report here:
https://groups.google.com/forum/#!topic/android-ndk/G7dLKAGGL28
I think I might have a fix, but I am looking for a test case.
Do you have a test case you can share, that is simpler than Skype?
On Tuesday, May 13, 2014 9:58:34 PM UTC-7, Katy Ma wrote:
>
> When using skype call, sometimes skype call cannot be end if press end
> call button, and such log will appear,
>
> "W/libOpenSLES( 2355):
> frameworks/wilhelm/src/android/AudioRecorder_to_android.cpp:217: pthread
> 0x62471b80 (tid 2810) sees object 0x66a0d518 was locked by pthread
> 0x5fb4cc90 (tid 2377) at frameworks/wilhelm/src/itf/IObject.c:411"
>
> I think when end skype call,
>
> 1. libOpenSLES to destroy CAudioRecorder(object locked, later will unlock
> only in IObject_deinit after finish destroyed in 3.)
> 2. EVENT_MORE_DATA/EVENT_OVERRUN(etc.) happens and skype callback function
> will handle the event with a lock(requires lock in 1.).
> 3. After 1., ~AudioRecord will be called during destroy,it will wait
> for a lock only when mThreadExitedCondition.broadcast() after
> AudioRecordThread returns, however AudioRecordThread is blocked in
> processAudioBuffer when handle EVENT_MORE_DATA/EVENT_OVERRUN(etc.)(requires
> lock in 2.) However 1. cannot be finished if 3. is blocked.
>
>
> So dead lock happened.
>
>
> It seems that when destroy CAudioRecoder, there's no need to handle the
> event, however it's hard to sync. And handling event with lock may cause
> deadlock when destroy CAudioRecorder.
>
>
> So can we just remove the lock when handling event? Why we need lock here?
>
>
>
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