| 1 | // Copyright (C) 2016 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 QPULSEAUDIOENGINE_H |
| 5 | #define QPULSEAUDIOENGINE_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 <QtCore/qmap.h> |
| 19 | #include <QtCore/qbytearray.h> |
| 20 | #include <QtCore/qreadwritelock.h> |
| 21 | #include <pulse/pulseaudio.h> |
| 22 | #include "qpulsehelpers_p.h" |
| 23 | #include <qaudioformat.h> |
| 24 | |
| 25 | QT_BEGIN_NAMESPACE |
| 26 | |
| 27 | class QPulseAudioEngine : public QObject |
| 28 | { |
| 29 | Q_OBJECT |
| 30 | |
| 31 | public: |
| 32 | QPulseAudioEngine(QObject *parent = 0); |
| 33 | ~QPulseAudioEngine(); |
| 34 | |
| 35 | static QPulseAudioEngine *instance(); |
| 36 | pa_threaded_mainloop *mainloop() { return m_mainLoop; } |
| 37 | pa_context *context() { return m_context; } |
| 38 | |
| 39 | inline void lock() |
| 40 | { |
| 41 | if (m_mainLoop) |
| 42 | pa_threaded_mainloop_lock(m: m_mainLoop); |
| 43 | } |
| 44 | |
| 45 | inline void unlock() |
| 46 | { |
| 47 | if (m_mainLoop) |
| 48 | pa_threaded_mainloop_unlock(m: m_mainLoop); |
| 49 | } |
| 50 | |
| 51 | inline void wait(pa_operation *op) |
| 52 | { |
| 53 | while (m_mainLoop && pa_operation_get_state(o: op) == PA_OPERATION_RUNNING) |
| 54 | pa_threaded_mainloop_wait(m: m_mainLoop); |
| 55 | } |
| 56 | |
| 57 | QList<QAudioDevice> availableDevices(QAudioDevice::Mode mode) const; |
| 58 | QByteArray defaultDevice(QAudioDevice::Mode mode) const; |
| 59 | |
| 60 | Q_SIGNALS: |
| 61 | void contextFailed(); |
| 62 | void audioInputsChanged(); |
| 63 | void audioOutputsChanged(); |
| 64 | |
| 65 | private Q_SLOTS: |
| 66 | void prepare(); |
| 67 | void onContextFailed(); |
| 68 | |
| 69 | private: |
| 70 | void updateDevices(); |
| 71 | void release(); |
| 72 | |
| 73 | public: |
| 74 | QMap<int, QAudioDevice> m_sinks; |
| 75 | QMap<int, QAudioDevice> m_sources; |
| 76 | |
| 77 | QByteArray m_defaultSink; |
| 78 | QByteArray m_defaultSource; |
| 79 | |
| 80 | mutable QReadWriteLock m_sinkLock; |
| 81 | mutable QReadWriteLock m_sourceLock; |
| 82 | mutable QReadWriteLock m_serverLock; |
| 83 | |
| 84 | private: |
| 85 | pa_mainloop_api *m_mainLoopApi; |
| 86 | pa_threaded_mainloop *m_mainLoop; |
| 87 | pa_context *m_context; |
| 88 | bool m_prepared; |
| 89 | }; |
| 90 | |
| 91 | QT_END_NAMESPACE |
| 92 | |
| 93 | #endif |
| 94 |