72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
// Copyright 2012-2023 The Mumble Developers. All rights reserved.
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// Use of this source code is governed by a BSD-style license
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// that can be found in the LICENSE file at the root of the
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// Mumble source tree or at <https://www.mumble.info/LICENSE>.
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#ifndef MUMBLE_MUMBLE_WASAPINOTIFICATIONCLIENT_H_
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#define MUMBLE_MUMBLE_WASAPINOTIFICATIONCLIENT_H_
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#include <QtCore/QMutex>
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#include <QtCore/QObject>
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#include <mmdeviceapi.h>
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/**
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* @brief Singleton for acting on WASAPINotification events for given devices.
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*/
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class WASAPINotificationClient : public QObject, public IMMNotificationClient {
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Q_OBJECT
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public:
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/* IMMNotificationClient interface */
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HRESULT STDMETHODCALLTYPE OnDefaultDeviceChanged(EDataFlow flow, ERole role, LPCWSTR pwstrDefaultDevice);
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HRESULT STDMETHODCALLTYPE OnPropertyValueChanged(LPCWSTR pwstrDeviceId, const PROPERTYKEY key);
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HRESULT STDMETHODCALLTYPE OnDeviceAdded(LPCWSTR pwstrDeviceId);
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HRESULT STDMETHODCALLTYPE OnDeviceRemoved(LPCWSTR pwstrDeviceId);
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HRESULT STDMETHODCALLTYPE OnDeviceStateChanged(LPCWSTR pwstrDeviceId, DWORD dwNewState);
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HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, VOID **ppvInterface);
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ULONG STDMETHODCALLTYPE AddRef();
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ULONG STDMETHODCALLTYPE Release();
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/* Enlist/Unlist functionality */
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void enlistDefaultDeviceAsUsed(LPCWSTR pwstrDefaultDevice);
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void enlistDeviceAsUsed(LPCWSTR pwstrDevice);
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void enlistDeviceAsUsed(const QString &device);
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void unlistDevice(LPCWSTR pwstrDevice);
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void clearUsedDefaultDeviceList();
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void clearUsedDeviceLists();
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/**
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* @return Singleton instance reference.
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*/
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static WASAPINotificationClient &get();
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private:
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WASAPINotificationClient();
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~WASAPINotificationClient() Q_DECL_OVERRIDE;
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WASAPINotificationClient(const WASAPINotificationClient &);
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WASAPINotificationClient &operator=(const WASAPINotificationClient &);
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static WASAPINotificationClient &doGet();
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static void doGetOnce();
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void restartAudio();
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/* _fu = Non locking versions */
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void _clearUsedDeviceLists();
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void _enlistDeviceAsUsed(const QString &device);
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QStringList usedDefaultDevices;
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QStringList usedDevices;
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IMMDeviceEnumerator *pEnumerator;
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LONG _cRef;
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QMutex listsMutex;
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signals:
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void doResetAudio();
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};
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#endif // WASAPINOTIFICATIONCLIENT_H_
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