| 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 | // |
| 5 | // W A R N I N G |
| 6 | // ------------- |
| 7 | // |
| 8 | // This file is not part of the Qt API. It exists for the convenience |
| 9 | // of other Qt classes. This header file may change from version to |
| 10 | // version without notice, or even be removed. |
| 11 | // |
| 12 | // We mean it. |
| 13 | // |
| 14 | |
| 15 | #ifndef QAUDIOINPUTPULSE_H |
| 16 | #define QAUDIOINPUTPULSE_H |
| 17 | |
| 18 | #include <QtCore/qfile.h> |
| 19 | #include <QtCore/qtimer.h> |
| 20 | #include <QtCore/qstring.h> |
| 21 | #include <QtCore/qstringlist.h> |
| 22 | #include <QtCore/qelapsedtimer.h> |
| 23 | #include <QtCore/qiodevice.h> |
| 24 | |
| 25 | #include "qaudio.h" |
| 26 | #include "qaudiodevice.h" |
| 27 | #include <private/qaudiosystem_p.h> |
| 28 | |
| 29 | #include <pulse/pulseaudio.h> |
| 30 | |
| 31 | QT_BEGIN_NAMESPACE |
| 32 | |
| 33 | class PulseInputPrivate; |
| 34 | |
| 35 | class QPulseAudioSource : public QPlatformAudioSource |
| 36 | { |
| 37 | Q_OBJECT |
| 38 | |
| 39 | public: |
| 40 | QPulseAudioSource(const QByteArray &device, QObject *parent); |
| 41 | ~QPulseAudioSource(); |
| 42 | |
| 43 | qint64 read(char *data, qint64 len); |
| 44 | |
| 45 | void start(QIODevice *device) override; |
| 46 | QIODevice *start() override; |
| 47 | void stop() override; |
| 48 | void reset() override; |
| 49 | void suspend() override; |
| 50 | void resume() override; |
| 51 | qsizetype bytesReady() const override; |
| 52 | void setBufferSize(qsizetype value) override; |
| 53 | qsizetype bufferSize() const override; |
| 54 | qint64 processedUSecs() const override; |
| 55 | QAudio::Error error() const override; |
| 56 | QAudio::State state() const override; |
| 57 | void setFormat(const QAudioFormat &format) override; |
| 58 | QAudioFormat format() const override; |
| 59 | |
| 60 | void setVolume(qreal volume) override; |
| 61 | qreal volume() const override; |
| 62 | |
| 63 | qint64 m_totalTimeValue; |
| 64 | QIODevice *m_audioSource; |
| 65 | QAudioFormat m_format; |
| 66 | QAudio::Error m_errorState; |
| 67 | QAudio::State m_deviceState; |
| 68 | qreal m_volume; |
| 69 | |
| 70 | private slots: |
| 71 | void userFeed(); |
| 72 | bool deviceReady(); |
| 73 | void onPulseContextFailed(); |
| 74 | |
| 75 | private: |
| 76 | void setState(QAudio::State state); |
| 77 | void setError(QAudio::Error error); |
| 78 | |
| 79 | void applyVolume(const void *src, void *dest, int len); |
| 80 | |
| 81 | int checkBytesReady(); |
| 82 | bool open(); |
| 83 | void close(); |
| 84 | |
| 85 | bool m_pullMode; |
| 86 | bool m_opened; |
| 87 | int m_bytesAvailable; |
| 88 | int m_bufferSize; |
| 89 | int m_periodSize; |
| 90 | unsigned int m_periodTime; |
| 91 | QTimer *m_timer; |
| 92 | qint64 m_elapsedTimeOffset; |
| 93 | pa_stream *m_stream; |
| 94 | QByteArray m_streamName; |
| 95 | QByteArray m_device; |
| 96 | QByteArray m_tempBuffer; |
| 97 | pa_sample_spec m_spec; |
| 98 | }; |
| 99 | |
| 100 | class PulseInputPrivate : public QIODevice |
| 101 | { |
| 102 | Q_OBJECT |
| 103 | public: |
| 104 | PulseInputPrivate(QPulseAudioSource *audio); |
| 105 | ~PulseInputPrivate() override = default; |
| 106 | |
| 107 | qint64 readData(char *data, qint64 len) override; |
| 108 | qint64 writeData(const char *data, qint64 len) override; |
| 109 | |
| 110 | void trigger(); |
| 111 | |
| 112 | private: |
| 113 | QPulseAudioSource *m_audioDevice; |
| 114 | }; |
| 115 | |
| 116 | QT_END_NAMESPACE |
| 117 | |
| 118 | #endif |
| 119 |