Re: Stabilizing AudioQueue
Re: Stabilizing AudioQueue
- Subject: Re: Stabilizing AudioQueue
- From: Nick Zitzmann <email@hidden>
- Date: Sun, 14 Sep 2008 23:09:09 -0600
On Sep 14, 2008, at 12:38 AM, Nick Zitzmann wrote:
When I examined the thread that's supposed to render the audio, it
appears to be throwing a C++ exception of some sort in
AUNetSendEntry(), which might explain things, but AudioQueueStart()
still returns noErr.
Here's some more information. I tried this again and got a backtrace
of the exception this time:
#0 0x9238c201 in __cxa_throw ()
#1 0x70008617 in dyld_stub_ztocD ()
#2 0x7003e6e2 in SystemOutputAUEntry ()
#3 0x936990e3 in AQAUDevice::DoAddRemove ()
#4 0x9369ae3c in AQAUDevice::AQRenderNotify ()
#5 0x70006026 in dyld_stub_ztocD ()
#6 0x70011d37 in AUGenericOutputEntry ()
#7 0x9611afe3 in HP_IOProc::Call ()
#8 0x9611acd4 in IOA_Device::CallIOProcs ()
#9 0x9611abb0 in HP_IOThread::PerformIO ()
#10 0x96118f8b in HP_IOThread::WorkLoop ()
#11 0x96118aaf in HP_IOThread::ThreadEntry ()
#12 0x96109304 in CAPThread::Entry ()
#13 0x90dab6f5 in _pthread_start ()
#14 0x90dab5b2 in thread_start ()
ztocD() appears to be a vDSP function in vecLib. I already tried
linking the code using AudioQueue to vecLib and it didn't help... I
wish I knew why dyld was throwing that exception.
Nick Zitzmann
<http://seiryu.home.comcast.net/>
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