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| ****************************************************************************/ |
| |
| #ifndef QAUDIODECODER_H |
| #define QAUDIODECODER_H |
| |
| #include <QtMultimedia/qmediaobject.h> |
| #include <QtMultimedia/qmediaenumdebug.h> |
| |
| #include <QtMultimedia/qaudiobuffer.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QAudioDecoderPrivate; |
| class Q_MULTIMEDIA_EXPORT QAudioDecoder : public QMediaObject |
| { |
| Q_OBJECT |
| Q_PROPERTY(QString sourceFilename READ sourceFilename WRITE setSourceFilename NOTIFY sourceChanged) |
| Q_PROPERTY(State state READ state NOTIFY stateChanged) |
| Q_PROPERTY(QString error READ errorString) |
| Q_PROPERTY(bool bufferAvailable READ bufferAvailable NOTIFY bufferAvailableChanged) |
| |
| Q_ENUMS(State) |
| Q_ENUMS(Error) |
| |
| public: |
| enum State |
| { |
| StoppedState, |
| DecodingState |
| }; |
| |
| enum Error |
| { |
| NoError, |
| ResourceError, |
| FormatError, |
| AccessDeniedError, |
| ServiceMissingError |
| }; |
| |
| explicit QAudioDecoder(QObject *parent = nullptr); |
| ~QAudioDecoder(); |
| |
| static QMultimedia::SupportEstimate hasSupport(const QString &mimeType, const QStringList& codecs = QStringList()); |
| |
| State state() const; |
| |
| QString sourceFilename() const; |
| void setSourceFilename(const QString &fileName); |
| |
| QIODevice* sourceDevice() const; |
| void setSourceDevice(QIODevice *device); |
| |
| QAudioFormat audioFormat() const; |
| void setAudioFormat(const QAudioFormat &format); |
| |
| Error error() const; |
| QString errorString() const; |
| |
| QAudioBuffer read() const; |
| bool bufferAvailable() const; |
| |
| qint64 position() const; |
| qint64 duration() const; |
| |
| public Q_SLOTS: |
| void start(); |
| void stop(); |
| |
| Q_SIGNALS: |
| void bufferAvailableChanged(bool); |
| void bufferReady(); |
| void finished(); |
| |
| void stateChanged(QAudioDecoder::State newState); |
| void formatChanged(const QAudioFormat &format); |
| |
| void error(QAudioDecoder::Error error); |
| |
| void sourceChanged(); |
| |
| void positionChanged(qint64 position); |
| void durationChanged(qint64 duration); |
| |
| public: |
| bool bind(QObject *) override; |
| void unbind(QObject *) override; |
| |
| private: |
| Q_DISABLE_COPY(QAudioDecoder) |
| Q_DECLARE_PRIVATE(QAudioDecoder) |
| Q_PRIVATE_SLOT(d_func(), void _q_stateChanged(QAudioDecoder::State)) |
| Q_PRIVATE_SLOT(d_func(), void _q_error(int, const QString &)) |
| }; |
| |
| QT_END_NAMESPACE |
| |
| Q_DECLARE_METATYPE(QAudioDecoder::State) |
| Q_DECLARE_METATYPE(QAudioDecoder::Error) |
| |
| Q_MEDIA_ENUM_DEBUG(QAudioDecoder, State) |
| Q_MEDIA_ENUM_DEBUG(QAudioDecoder, Error) |
| |
| #endif // QAUDIODECODER_H |