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| |
| #ifndef QGSTREAMERPLAYERSESSION_H |
| #define QGSTREAMERPLAYERSESSION_H |
| |
| #include <QtMultimedia/private/qtmultimediaglobal_p.h> |
| #include <QObject> |
| #include <QtCore/qmutex.h> |
| #include "qgstreameraudiodecodercontrol.h" |
| #include <private/qgstreamerbushelper_p.h> |
| #include "qaudiodecoder.h" |
| |
| #if QT_CONFIG(gstreamer_app) |
| #include <private/qgstappsrc_p.h> |
| #endif |
| |
| #include <gst/gst.h> |
| #include <gst/app/gstappsink.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QGstreamerBusHelper; |
| class QGstreamerMessage; |
| |
| class QGstreamerAudioDecoderSession : public QObject, |
| public QGstreamerBusMessageFilter |
| { |
| Q_OBJECT |
| Q_INTERFACES(QGstreamerBusMessageFilter) |
| |
| public: |
| QGstreamerAudioDecoderSession(QObject *parent); |
| virtual ~QGstreamerAudioDecoderSession(); |
| |
| QGstreamerBusHelper *bus() const { return m_busHelper; } |
| |
| QAudioDecoder::State state() const { return m_state; } |
| QAudioDecoder::State pendingState() const { return m_pendingState; } |
| |
| bool processBusMessage(const QGstreamerMessage &message) override; |
| |
| #if QT_CONFIG(gstreamer_app) |
| QGstAppSrc *appsrc() const { return m_appSrc; } |
| static void configureAppSrcElement(GObject*, GObject*, GParamSpec*,QGstreamerAudioDecoderSession* _this); |
| #endif |
| |
| QString sourceFilename() const; |
| void setSourceFilename(const QString &fileName); |
| |
| QIODevice* sourceDevice() const; |
| void setSourceDevice(QIODevice *device); |
| |
| void start(); |
| void stop(); |
| |
| QAudioFormat audioFormat() const; |
| void setAudioFormat(const QAudioFormat &format); |
| |
| QAudioBuffer read(); |
| bool bufferAvailable() const; |
| |
| qint64 position() const; |
| qint64 duration() const; |
| |
| static GstFlowReturn new_sample(GstAppSink *sink, gpointer user_data); |
| |
| signals: |
| void stateChanged(QAudioDecoder::State newState); |
| void formatChanged(const QAudioFormat &format); |
| void sourceChanged(); |
| |
| void error(int error, const QString &errorString); |
| |
| void bufferReady(); |
| void bufferAvailableChanged(bool available); |
| void finished(); |
| |
| void positionChanged(qint64 position); |
| void durationChanged(qint64 duration); |
| |
| private slots: |
| void updateDuration(); |
| |
| private: |
| void setAudioFlags(bool wantNativeAudio); |
| void addAppSink(); |
| void removeAppSink(); |
| |
| void processInvalidMedia(QAudioDecoder::Error errorCode, const QString& errorString); |
| static qint64 getPositionFromBuffer(GstBuffer* buffer); |
| |
| QAudioDecoder::State m_state; |
| QAudioDecoder::State m_pendingState; |
| QGstreamerBusHelper *m_busHelper; |
| GstBus *m_bus; |
| GstElement *m_playbin; |
| GstElement *m_outputBin; |
| GstElement *m_audioConvert; |
| GstAppSink *m_appSink; |
| |
| #if QT_CONFIG(gstreamer_app) |
| QGstAppSrc *m_appSrc; |
| #endif |
| |
| QString mSource; |
| QIODevice *mDevice; // QWeakPointer perhaps |
| QAudioFormat mFormat; |
| |
| mutable QMutex m_buffersMutex; |
| int m_buffersAvailable; |
| |
| qint64 m_position; |
| qint64 m_duration; |
| |
| int m_durationQueries; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QGSTREAMERPLAYERSESSION_H |