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| |
| #ifndef QAUDIOOUTPUTWASAPI_H |
| #define QAUDIOOUTPUTWASAPI_H |
| |
| #include <QtCore/QLoggingCategory> |
| #include <QtCore/QMutex> |
| #include <QtCore/QTime> |
| #include <QtMultimedia/QAbstractAudioOutput> |
| #include <QtMultimedia/QAudio> |
| |
| #include <QReadWriteLock> |
| #include <wrl.h> |
| |
| struct IAudioRenderClient; |
| struct IAudioStreamVolume; |
| |
| QT_BEGIN_NAMESPACE |
| |
| class AudioInterface; |
| class WasapiOutputDevicePrivate; |
| class QWasapiProcessThread; |
| |
| Q_DECLARE_LOGGING_CATEGORY(lcMmAudioOutput) |
| |
| class QWasapiAudioOutput : public QAbstractAudioOutput |
| { |
| Q_OBJECT |
| public: |
| explicit QWasapiAudioOutput(const QByteArray &device); |
| ~QWasapiAudioOutput(); |
| |
| void start(QIODevice* device) override; |
| QIODevice* start() override; |
| void stop() override; |
| void reset() override; |
| void suspend() override; |
| void resume() override; |
| int bytesFree() const override; |
| int periodSize() const override; |
| void setBufferSize(int value) override; |
| int bufferSize() const override; |
| void setNotifyInterval(int milliSeconds) override; |
| int notifyInterval() const override; |
| qint64 processedUSecs() const override; |
| qint64 elapsedUSecs() const override; |
| QAudio::Error error() const override; |
| QAudio::State state() const override; |
| void setFormat(const QAudioFormat& fmt) override; |
| QAudioFormat format() const override; |
| void setVolume(qreal) override; |
| qreal volume() const override; |
| |
| void process(); |
| public slots: |
| void processBuffer(); |
| private: |
| bool initStart(bool pull); |
| friend class WasapiOutputDevicePrivate; |
| friend class WasapiOutputPrivate; |
| QByteArray m_deviceName; |
| Microsoft::WRL::ComPtr<AudioInterface> m_interface; |
| Microsoft::WRL::ComPtr<IAudioRenderClient> m_renderer; |
| Microsoft::WRL::ComPtr<IAudioStreamVolume> m_volumeControl; |
| qreal m_volumeCache; |
| QMutex m_mutex; |
| QAudio::State m_currentState; |
| QAudio::Error m_currentError; |
| QAudioFormat m_currentFormat; |
| qint64 m_bytesProcessed; |
| QTime m_openTime; |
| int m_openTimeOffset; |
| int m_interval; |
| bool m_pullMode; |
| quint32 m_bufferFrames; |
| quint32 m_bufferBytes; |
| HANDLE m_event; |
| QWasapiProcessThread *m_eventThread; |
| QAtomicInt m_processing; |
| QIODevice *m_eventDevice; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |