Qt
Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
Loading...
Searching...
No Matches
qwindowsaudiodevices_p.h
Go to the documentation of this file.
1// Copyright (C) 2021 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QWINDOWSAUDIODEVICES_H
5#define QWINDOWSAUDIODEVICES_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <private/qplatformaudiodevices_p.h>
19#include <QtCore/private/qcomptr_p.h>
20#include <private/qcominitializer_p.h>
21#include <private/qwindowsmediafoundation_p.h>
22
23#include <qaudiodevice.h>
24
25struct IAudioClient3;
26struct IMMDevice;
27struct IMMDeviceEnumerator;
28
29QT_BEGIN_NAMESPACE
30
31class QWindowsEngine;
33
35{
36public:
38 virtual ~QWindowsAudioDevices();
39
40 QPlatformAudioSource *createAudioSource(const QAudioDevice &, const QAudioFormat &,
41 QObject *parent) override;
42 QPlatformAudioSink *createAudioSink(const QAudioDevice &, const QAudioFormat &,
43 QObject *parent) override;
44
47
48 QLatin1String backendName() const override { return QLatin1String{ "WASAPI" }; }
49
50protected:
51 QList<QAudioDevice> findAudioInputs() const override;
52 QList<QAudioDevice> findAudioOutputs() const override;
53
54private:
55 QComInitializer m_comInitializer;
56 QMFRuntimeInit m_wmfRuntime{ QWindowsMediaFoundation::instance() };
57 QList<QAudioDevice> availableDevices(QAudioDevice::Mode mode) const;
58
59 ComPtr<IMMDeviceEnumerator> m_deviceEnumerator;
60 ComPtr<CMMNotificationClient> m_notificationClient;
61
63};
64
65QT_END_NAMESPACE
66
67#endif
CMMNotificationClient(QWindowsAudioDevices *windowsMediaDevices, ComPtr< IMMDeviceEnumerator > enumerator, QMap< QString, DWORD > &&deviceState)
QList< QAudioDevice > findAudioInputs() const override
QPlatformAudioSource * createAudioSource(const QAudioDevice &, const QAudioFormat &, QObject *parent) override
QPlatformAudioSink * createAudioSink(const QAudioDevice &, const QAudioFormat &, QObject *parent) override
QList< QAudioDevice > findAudioOutputs() const override
QLatin1String backendName() const override
static std::optional< QString > getDeviceId(const ComPtr< IMMDevice > &dev)