| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | // |
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| 5 | // W A R N I N G |
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| 6 | // ------------- |
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| 7 | // |
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| 8 | // This file is not part of the Qt API. It exists for the convenience |
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| 9 | // of other Qt classes. This header file may change from version to |
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| 10 | // version without notice, or even be removed. |
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| 11 | // |
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| 12 | // We mean it. |
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| 13 | // |
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| 14 | |
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| 15 | #ifndef QAUDIOINPUTPULSE_H |
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| 16 | #define QAUDIOINPUTPULSE_H |
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| 17 | |
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| 18 | #include <QtCore/qfile.h> |
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| 19 | #include <QtCore/qtimer.h> |
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| 20 | #include <QtCore/qstring.h> |
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| 21 | #include <QtCore/qstringlist.h> |
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| 22 | #include <QtCore/qelapsedtimer.h> |
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| 23 | #include <QtCore/qiodevice.h> |
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| 24 | |
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| 25 | #include "qaudio.h" |
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| 26 | #include "qaudiodevice.h" |
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| 27 | #include <private/qaudiosystem_p.h> |
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| 28 | #include <private/qaudiostatemachine_p.h> |
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| 29 | |
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| 30 | #include <pulse/pulseaudio.h> |
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| 31 | |
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| 32 | QT_BEGIN_NAMESPACE |
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| 33 | |
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| 34 | class PulseInputPrivate; |
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| 35 | |
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| 36 | class QPulseAudioSource : public QPlatformAudioSource |
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| 37 | { |
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| 38 | Q_OBJECT |
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| 39 | |
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| 40 | public: |
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| 41 | QPulseAudioSource(const QByteArray &device, QObject *parent); |
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| 42 | ~QPulseAudioSource(); |
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| 43 | |
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| 44 | qint64 read(char *data, qint64 len); |
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| 45 | |
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| 46 | void start(QIODevice *device) override; |
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| 47 | QIODevice *start() override; |
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| 48 | void stop() override; |
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| 49 | void reset() override; |
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| 50 | void suspend() override; |
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| 51 | void resume() override; |
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| 52 | qsizetype bytesReady() const override; |
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| 53 | void setBufferSize(qsizetype value) override; |
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| 54 | qsizetype bufferSize() const override; |
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| 55 | qint64 processedUSecs() const override; |
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| 56 | QAudio::Error error() const override; |
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| 57 | QAudio::State state() const override; |
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| 58 | void setFormat(const QAudioFormat &format) override; |
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| 59 | QAudioFormat format() const override; |
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| 60 | |
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| 61 | void setVolume(qreal volume) override; |
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| 62 | qreal volume() const override; |
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| 63 | |
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| 64 | qint64 m_totalTimeValue; |
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| 65 | QIODevice *m_audioSource; |
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| 66 | QAudioFormat m_format; |
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| 67 | qreal m_volume; |
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| 68 | |
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| 69 | protected: |
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| 70 | void timerEvent(QTimerEvent *event) override; |
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| 71 | |
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| 72 | private slots: |
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| 73 | void userFeed(); |
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| 74 | void onPulseContextFailed(); |
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| 75 | |
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| 76 | private: |
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| 77 | void applyVolume(const void *src, void *dest, int len); |
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| 78 | |
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| 79 | bool open(); |
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| 80 | void close(); |
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| 81 | |
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| 82 | bool m_pullMode; |
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| 83 | bool m_opened; |
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| 84 | int m_bufferSize; |
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| 85 | int m_periodSize; |
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| 86 | unsigned int m_periodTime; |
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| 87 | QBasicTimer m_timer; |
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| 88 | qint64 m_elapsedTimeOffset; |
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| 89 | pa_stream *m_stream; |
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| 90 | QByteArray m_streamName; |
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| 91 | QByteArray m_device; |
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| 92 | QByteArray m_tempBuffer; |
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| 93 | pa_sample_spec m_spec; |
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| 94 | |
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| 95 | QAudioStateMachine m_stateMachine; |
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| 96 | }; |
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| 97 | |
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| 98 | class PulseInputPrivate : public QIODevice |
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| 99 | { |
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| 100 | Q_OBJECT |
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| 101 | public: |
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| 102 | PulseInputPrivate(QPulseAudioSource *audio); |
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| 103 | ~PulseInputPrivate() override = default; |
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| 104 | |
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| 105 | qint64 readData(char *data, qint64 len) override; |
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| 106 | qint64 writeData(const char *data, qint64 len) override; |
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| 107 | |
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| 108 | void trigger(); |
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| 109 | |
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| 110 | private: |
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| 111 | QPulseAudioSource *m_audioDevice; |
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| 112 | }; |
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| 113 | |
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| 114 | QT_END_NAMESPACE |
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| 115 | |
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| 116 | #endif |
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| 117 | |
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