111 lines
2.6 KiB
C++
111 lines
2.6 KiB
C++
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT License.
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// Associated header
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//
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#include "k4aaudiomanager.h"
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// System headers
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//
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#include <regex>
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// Library headers
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//
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#include <libusb.h>
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// Project headers
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//
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#include "k4aviewererrormanager.h"
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#include "k4adevicecorrelator.h"
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using namespace k4aviewer;
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K4AAudioManager &K4AAudioManager::Instance()
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{
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static K4AAudioManager instance;
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return instance;
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}
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int K4AAudioManager::Initialize(SoundIoBackend backend)
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{
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return InitializeImpl([backend](SoundIo *soundIo) { return soundio_connect_backend(soundIo, backend); });
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}
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int K4AAudioManager::Initialize()
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{
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return InitializeImpl(soundio_connect);
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}
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int K4AAudioManager::InitializeImpl(const std::function<int(SoundIo *)> &initFn)
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{
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m_io.reset(soundio_create());
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const int status = initFn(m_io.get());
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if (status != SoundIoErrorNone)
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{
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return status;
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}
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return RefreshDevices();
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}
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int K4AAudioManager::RefreshDevices()
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{
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if (!m_io)
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{
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return SoundIoErrorInvalid;
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}
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soundio_flush_events(m_io.get());
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m_inputDevices.clear();
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std::map<std::string, std::string> soundIoToSerialNumberMapping;
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if (!K4ADeviceCorrelator::GetSoundIoBackendIdToSerialNumberMapping(m_io.get(), &soundIoToSerialNumberMapping))
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{
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return SoundIoErrorIncompatibleDevice;
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}
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const int inputCount = soundio_input_device_count(m_io.get());
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for (int i = 0; i < inputCount; i++)
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{
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std::shared_ptr<SoundIoDevice> device(soundio_get_input_device(m_io.get(), i), SoundIoDeviceDeleter());
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if (device)
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{
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// Each device is listed twice - a 'raw' device and a not-'raw' device.
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// We only want the non-raw ones.
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//
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if (device->is_raw)
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{
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continue;
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}
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auto soundIoToSerialNumber = soundIoToSerialNumberMapping.find(device->id);
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// Exclude non-K4A devices
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//
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if (soundIoToSerialNumber == soundIoToSerialNumberMapping.end())
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{
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continue;
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}
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m_inputDevices[soundIoToSerialNumber->second] = std::move(device);
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}
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}
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return SoundIoErrorNone;
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}
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std::shared_ptr<K4AMicrophone> K4AAudioManager::GetMicrophoneForDevice(const std::string &deviceSerialNumber)
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{
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const auto soundIoDevice = m_inputDevices.find(deviceSerialNumber);
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if (soundIoDevice == m_inputDevices.end())
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{
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return nullptr;
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}
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return std::shared_ptr<K4AMicrophone>(new K4AMicrophone(soundIoDevice->second));
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}
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