Method run

src/Qt/AudioPlaybackThread.cpp:265–324

Start audio thread

	// Start audio thread
	void AudioPlaybackThread::run()
	{
		while (!threadShouldExit())
		{
			if (source && !transport.isPlaying() && is_playing) {
				// Start new audio device (or get existing one)
				AudioDeviceManagerSingleton *audioInstance = 
						AudioDeviceManagerSingleton::Instance(sampleRate, numChannels);

				// Add callback
				audioInstance->audioDeviceManager.addAudioCallback(&player);

				// Create TimeSliceThread for audio buffering
				time_thread.startThread(Priority::high);

				// Connect source to transport
				transport.setSource(
					source,
					0, // No read ahead buffer
					&time_thread,
					0, // Sample rate correction (none)
					numChannels); // max channels
				transport.setPosition(0);
				transport.setGain(1.0);

				// Connect transport to mixer and player
				mixer.addInputSource(&transport, false);
				player.setSource(&mixer);

				// Start the transport
				transport.start();

                    while (!threadShouldExit() && transport.isPlaying() && is_playing) {
                        // Wait until transport state changes or thread should exit
                        std::unique_lock<std::mutex> lock(transportMutex);
                        transportCondition.wait_for(lock, std::chrono::milliseconds(10), [this]() {
                            return threadShouldExit() || !transport.isPlaying() || !is_playing;
                        });
                    }

				// Stop audio and shutdown transport
				Stop();
				transport.stop();

				// Kill previous audio
				transport.setSource(NULL);

				player.setSource(NULL);
				audioInstance->audioDeviceManager.removeAudioCallback(&player);

				// Remove source
				delete source;
				source = NULL;

				// Stop time slice thread
				time_thread.stopThread(-1);
			}
		}