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| |
| #ifndef QSOUNDEFFECT_PULSE_H |
| #define QSOUNDEFFECT_PULSE_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| |
| #include "qsoundeffect.h" |
| |
| #include <QtCore/qobject.h> |
| #include <QtCore/qdatetime.h> |
| #include <QtCore/qmutex.h> |
| #include <qmediaplayer.h> |
| #include <pulse/pulseaudio.h> |
| #include "qsamplecache_p.h" |
| |
| #include <private/qmediaresourcepolicy_p.h> |
| #include <private/qmediaresourceset_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QSoundEffectRef; |
| |
| class QSoundEffectPrivate : public QObject |
| { |
| Q_OBJECT |
| public: |
| explicit QSoundEffectPrivate(QObject* parent); |
| explicit QSoundEffectPrivate(const QAudioDeviceInfo &audioDevice, QObject *parent); |
| ~QSoundEffectPrivate(); |
| |
| static QStringList supportedMimeTypes(); |
| |
| QUrl source() const; |
| void setSource(const QUrl &url); |
| int loopCount() const; |
| int loopsRemaining() const; |
| void setLoopCount(int loopCount); |
| qreal volume() const; |
| void setVolume(qreal volume); |
| bool isMuted() const; |
| void setMuted(bool muted); |
| bool isLoaded() const; |
| bool isPlaying() const; |
| QSoundEffect::Status status() const; |
| |
| void release(); |
| |
| QString category() const; |
| void setCategory(const QString &category); |
| |
| public Q_SLOTS: |
| void play(); |
| void stop(); |
| |
| Q_SIGNALS: |
| void loopsRemainingChanged(); |
| void volumeChanged(); |
| void mutedChanged(); |
| void loadedChanged(); |
| void playingChanged(); |
| void statusChanged(); |
| void categoryChanged(); |
| |
| private Q_SLOTS: |
| void decoderError(); |
| void sampleReady(); |
| void uploadSample(); |
| void contextReady(); |
| void contextFailed(); |
| void underRun(); |
| void prepare(); |
| void streamReady(); |
| void emptyComplete(void *stream, bool reload); |
| |
| void handleAvailabilityChanged(bool available); |
| |
| private: |
| void playAvailable(); |
| void playSample(); |
| |
| enum EmptyStreamOption { |
| ReloadSampleWhenDone = 0x1 |
| }; |
| Q_DECLARE_FLAGS(EmptyStreamOptions, EmptyStreamOption) |
| void emptyStream(EmptyStreamOptions options = EmptyStreamOptions()); |
| |
| void createPulseStream(); |
| void unloadPulseStream(); |
| |
| int writeToStream(const void *data, int size); |
| |
| void setPlaying(bool playing); |
| void setStatus(QSoundEffect::Status status); |
| void setLoopsRemaining(int loopsRemaining); |
| |
| static void stream_write_callback(pa_stream *s, size_t length, void *userdata); |
| static void stream_state_callback(pa_stream *s, void *userdata); |
| static void stream_underrun_callback(pa_stream *s, void *userdata); |
| static void stream_cork_callback(pa_stream *s, int success, void *userdata); |
| static void stream_flush_callback(pa_stream *s, int success, void *userdata); |
| static void stream_flush_reload_callback(pa_stream *s, int success, void *userdata); |
| static void stream_write_done_callback(void *p); |
| static void stream_adjust_prebuffer_callback(pa_stream *s, int success, void *userdata); |
| |
| pa_stream *m_pulseStream = nullptr; |
| QString m_sinkName; |
| int m_sinkInputId = -1; |
| pa_sample_spec m_pulseSpec; |
| int m_pulseBufferSize = 0; |
| |
| bool m_emptying = false; |
| bool m_sampleReady = false; |
| bool m_playing = false; |
| QSoundEffect::Status m_status = QSoundEffect::Null; |
| bool m_muted = false; |
| bool m_playQueued = false; |
| bool m_stopping = false; |
| qreal m_volume = 1.0; |
| int m_loopCount = 1; |
| int m_runningCount = 0; |
| QUrl m_source; |
| QByteArray m_name; |
| QString m_category; |
| bool m_reloadCategory = false; |
| |
| QSample *m_sample = nullptr; |
| int m_position = 0; |
| QSoundEffectRef *m_ref = nullptr; |
| |
| bool m_resourcesAvailable = false; |
| |
| // Protects volume while PuseAudio is accessing it |
| mutable QMutex m_volumeLock; |
| |
| QMediaPlayerResourceSetInterface *m_resources = nullptr; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QSOUNDEFFECT_PULSE_H |