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| |
| #ifndef QAUDIOSYSTEM_H |
| #define QAUDIOSYSTEM_H |
| |
| #include <QtMultimedia/qtmultimediaglobal.h> |
| #include <QtMultimedia/qmultimedia.h> |
| |
| #include <QtMultimedia/qaudio.h> |
| #include <QtMultimedia/qaudioformat.h> |
| #include <QtMultimedia/qaudiodeviceinfo.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QIODevice; |
| |
| class Q_MULTIMEDIA_EXPORT QAbstractAudioDeviceInfo : public QObject |
| { |
| Q_OBJECT |
| |
| public: |
| virtual QAudioFormat preferredFormat() const = 0; |
| virtual bool isFormatSupported(const QAudioFormat &format) const = 0; |
| virtual QString deviceName() const = 0; |
| virtual QStringList supportedCodecs() = 0; |
| virtual QList<int> supportedSampleRates() = 0; |
| virtual QList<int> supportedChannelCounts() = 0; |
| virtual QList<int> supportedSampleSizes() = 0; |
| virtual QList<QAudioFormat::Endian> supportedByteOrders() = 0; |
| virtual QList<QAudioFormat::SampleType> supportedSampleTypes() = 0; |
| }; |
| |
| class Q_MULTIMEDIA_EXPORT QAbstractAudioOutput : public QObject |
| { |
| Q_OBJECT |
| |
| public: |
| virtual void start(QIODevice *device) = 0; |
| virtual QIODevice* start() = 0; |
| virtual void stop() = 0; |
| virtual void reset() = 0; |
| virtual void suspend() = 0; |
| virtual void resume() = 0; |
| virtual int bytesFree() const = 0; |
| virtual int periodSize() const = 0; |
| virtual void setBufferSize(int value) = 0; |
| virtual int bufferSize() const = 0; |
| virtual void setNotifyInterval(int milliSeconds) = 0; |
| virtual int notifyInterval() const = 0; |
| virtual qint64 processedUSecs() const = 0; |
| virtual qint64 elapsedUSecs() const = 0; |
| virtual QAudio::Error error() const = 0; |
| virtual QAudio::State state() const = 0; |
| virtual void setFormat(const QAudioFormat& fmt) = 0; |
| virtual QAudioFormat format() const = 0; |
| virtual void setVolume(qreal) {} |
| virtual qreal volume() const { return 1.0; } |
| virtual QString category() const { return QString(); } |
| virtual void setCategory(const QString &) { } |
| |
| Q_SIGNALS: |
| void errorChanged(QAudio::Error error); |
| void stateChanged(QAudio::State state); |
| void notify(); |
| }; |
| |
| class Q_MULTIMEDIA_EXPORT QAbstractAudioInput : public QObject |
| { |
| Q_OBJECT |
| |
| public: |
| virtual void start(QIODevice *device) = 0; |
| virtual QIODevice* start() = 0; |
| virtual void stop() = 0; |
| virtual void reset() = 0; |
| virtual void suspend() = 0; |
| virtual void resume() = 0; |
| virtual int bytesReady() const = 0; |
| virtual int periodSize() const = 0; |
| virtual void setBufferSize(int value) = 0; |
| virtual int bufferSize() const = 0; |
| virtual void setNotifyInterval(int milliSeconds) = 0; |
| virtual int notifyInterval() const = 0; |
| virtual qint64 processedUSecs() const = 0; |
| virtual qint64 elapsedUSecs() const = 0; |
| virtual QAudio::Error error() const = 0; |
| virtual QAudio::State state() const = 0; |
| virtual void setFormat(const QAudioFormat& fmt) = 0; |
| virtual QAudioFormat format() const = 0; |
| virtual void setVolume(qreal) = 0; |
| virtual qreal volume() const = 0; |
| |
| Q_SIGNALS: |
| void errorChanged(QAudio::Error error); |
| void stateChanged(QAudio::State state); |
| void notify(); |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QAUDIOSYSTEM_H |