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Synchronous lifetime control of AudioQueue on macOS

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This commit is contained in:
Jack Andersen
2017-01-18 10:56:26 -10:00
parent 93f6e11fa8
commit f0e8e0a1fa
3 changed files with 17 additions and 3 deletions
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9
lib/audiodev/AQS.cpp
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@@ -48,9 +48,13 @@ struct AQSAudioVoiceEngine : BaseAudioVoiceEngine
std::condition_variable m_engineEnterCv;
std::condition_variable m_engineLeaveCv;
bool m_cbWaiting = false;
bool m_cbRunning = true;
static void Callback(AQSAudioVoiceEngine* engine, AudioQueueRef inAQ, AudioQueueBufferRef inBuffer)
{
if (!engine->m_cbRunning)
return;
std::unique_lock<std::mutex> lk(engine->m_engineMutex);
engine->m_cbWaiting = true;
engine->m_engineEnterCv.wait(lk);
@@ -712,7 +716,10 @@ struct AQSAudioVoiceEngine : BaseAudioVoiceEngine
~AQSAudioVoiceEngine()
{
AudioQueueDispose(m_queue, false);
m_cbRunning = false;
if (m_cbWaiting)
m_engineEnterCv.notify_one();
AudioQueueDispose(m_queue, true);
if (m_midiClient)
MIDIClientDispose(m_midiClient);
}