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Potential fix for crash after Mac sleep.

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When a Mac goes to sleep, the OS pauses the IO threads. If a
subsequent StopSend/Playout happens, we time out waiting for the IO
threads, but didn't ensure they were shut down.

BUG=
TEST=voe_cmd_test, voe_auto_test

Review URL: http://webrtc-codereview.appspot.com/269013

git-svn-id: http://webrtc.googlecode.com/svn/trunk@949 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
andrew@webrtc.org 2011-11-15 16:23:41 +00:00
parent 85596d5bf4
commit 6a85b17a0a
1 changed files with 41 additions and 24 deletions
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65
src/modules/audio_device/main/source/mac/audio_device_mac.cc
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@ -1999,9 +1999,16 @@ WebRtc_Word32 AudioDeviceMac::StopRecording()
_critSect.Leave(); // Cannot be under lock, risk of deadlock
if (kEventTimeout == _stopEventRec.Wait(2000))
{
WEBRTC_TRACE(kTraceWarning, kTraceAudioDevice,
_id, " Timed out stopping the capture IOProc. "
"We likely failed to detect a device removal.");
CriticalSectionScoped critScoped(_critSect);
WEBRTC_TRACE(kTraceWarning, kTraceAudioDevice, _id,
" Timed out stopping the capture IOProc. "
"We may have failed to detect a device removal.");
WEBRTC_CA_LOG_WARN(AudioDeviceStop(_inputDeviceID,
_inDeviceIOProcID));
WEBRTC_CA_LOG_WARN(
AudioDeviceDestroyIOProcID(_inputDeviceID,
_inDeviceIOProcID));
}
_critSect.Enter();
_doStopRec = false;
@ -2025,9 +2032,17 @@ WebRtc_Word32 AudioDeviceMac::StopRecording()
_critSect.Leave(); // Cannot be under lock, risk of deadlock
if (kEventTimeout == _stopEvent.Wait(2000))
{
WEBRTC_TRACE(kTraceWarning, kTraceAudioDevice,
_id, " Timed out stopping the shared IOProc. "
"We likely failed to detect a device removal.");
CriticalSectionScoped critScoped(_critSect);
WEBRTC_TRACE(kTraceWarning, kTraceAudioDevice, _id,
" Timed out stopping the shared IOProc. "
"We may have failed to detect a device removal.");
// We assume rendering on a shared device has stopped as well if
// the IOProc times out.
WEBRTC_CA_LOG_WARN(AudioDeviceStop(_outputDeviceID,
_deviceIOProcID));
WEBRTC_CA_LOG_WARN(AudioDeviceDestroyIOProcID(_outputDeviceID,
_deviceIOProcID));
}
_critSect.Enter();
_doStop = false;
@ -2165,15 +2180,22 @@ WebRtc_Word32 AudioDeviceMac::StopPlayout()
_critSect.Leave(); // Cannot be under lock, risk of deadlock
if (kEventTimeout == _stopEvent.Wait(2000))
{
WEBRTC_TRACE(kTraceWarning, kTraceAudioDevice, _id,
"Timed out stopping the render IOProc, "
"We likely failed to detect a device removal.");
CriticalSectionScoped critScoped(_critSect);
WEBRTC_TRACE(kTraceWarning, kTraceAudioDevice, _id,
" Timed out stopping the render IOProc. "
"We may have failed to detect a device removal.");
// We assume capturing on a shared device has stopped as well if the
// IOProc times out.
WEBRTC_CA_LOG_WARN(AudioDeviceStop(_outputDeviceID,
_deviceIOProcID));
WEBRTC_CA_LOG_WARN(AudioDeviceDestroyIOProcID(_outputDeviceID,
_deviceIOProcID));
}
_critSect.Enter();
_doStop = false;
WEBRTC_TRACE(kTraceDebug, kTraceAudioDevice, _id,
"Playout stopped");
}
// Setting this signal will allow the worker thread to be stopped.
@ -2185,7 +2207,7 @@ WebRtc_Word32 AudioDeviceMac::StopPlayout()
{
WEBRTC_TRACE(kTraceError, kTraceAudioDevice, _id,
" Timed out waiting for the render worker thread to "
"stop.");
"stop.");
}
}
_critSect.Enter();
@ -2917,7 +2939,7 @@ WebRtc_Word32 AudioDeviceMac::HandleProcessorOverload(
// overload. However, the Windows interpretations of these errors seem to
// be more severe than what ProcessorOverload is thrown for.
//
// We don't log the notification, as it's sent from the HAL's IO thread. We
// We don't log the notification, as it's sent from the HAL's IO thread. We
// don't want to slow it down even further.
if (propertyAddress.mScope == kAudioDevicePropertyScopeInput)
{
@ -3024,21 +3046,18 @@ OSStatus AudioDeviceMac::implDeviceIOProc(const AudioBufferList *inputData,
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
if (AudioDeviceCreateIOProcID != NULL)
{
WEBRTC_CA_LOG_ERR(AudioDeviceStop(_outputDeviceID,
WEBRTC_CA_LOG_ERR(AudioDeviceStop(_outputDeviceID,
_deviceIOProcID));
WEBRTC_CA_LOG_WARN(AudioDeviceDestroyIOProcID(_outputDeviceID,
_deviceIOProcID));
}
else
{
#endif
WEBRTC_CA_LOG_ERR(AudioDeviceStop(_outputDeviceID,
WEBRTC_CA_LOG_ERR(AudioDeviceStop(_outputDeviceID,
deviceIOProc));
WEBRTC_CA_LOG_WARN(AudioDeviceRemoveIOProc(_outputDeviceID,
deviceIOProc));
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
}
#endif
@ -3059,8 +3078,8 @@ OSStatus AudioDeviceMac::implDeviceIOProc(const AudioBufferList *inputData,
if (!_playing)
{
// This can be the case when a shared device is capturing but not
// rendering. We allow the checks above before returning to avoid a
// This can be the case when a shared device is capturing but not
// rendering. We allow the checks above before returning to avoid a
// timeout when capturing is stopped.
return 0;
}
@ -3149,16 +3168,14 @@ OSStatus AudioDeviceMac::implInDeviceIOProc(const AudioBufferList *inputData,
if (AudioDeviceCreateIOProcID != NULL)
{
WEBRTC_CA_LOG_ERR(AudioDeviceStop(_inputDeviceID, _inDeviceIOProcID));
WEBRTC_CA_LOG_WARN(AudioDeviceDestroyIOProcID(_inputDeviceID,
_inDeviceIOProcID));
}
else
{
#endif
#endif
WEBRTC_CA_LOG_ERR(AudioDeviceStop(_inputDeviceID, inDeviceIOProc));
WEBRTC_CA_LOG_WARN(AudioDeviceRemoveIOProc(_inputDeviceID,
WEBRTC_CA_LOG_WARN(AudioDeviceRemoveIOProc(_inputDeviceID,
inDeviceIOProc));
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
}
@ -3176,7 +3193,7 @@ OSStatus AudioDeviceMac::implInDeviceIOProc(const AudioBufferList *inputData,
}
_critSect.Leave();
}
if (!_recording)
{
// Allow above checks to avoid a timeout on stopping capture.