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| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** This file is part of the Qt Mobility Components. |
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| ****************************************************************************/ |
| |
| #ifndef MFPLAYERSESSION_H |
| #define MFPLAYERSESSION_H |
| |
| #include <mfapi.h> |
| #include <mfidl.h> |
| |
| #include "qmediaplayer.h" |
| #include "qmediaresource.h" |
| #include "qmediaservice.h" |
| #include "qmediatimerange.h" |
| |
| #include <QtCore/qcoreevent.h> |
| #include <QtCore/qmutex.h> |
| #include <QtCore/qurl.h> |
| #include <QtCore/qwaitcondition.h> |
| #include <QtMultimedia/qaudioformat.h> |
| #include <QtMultimedia/qvideosurfaceformat.h> |
| |
| QT_BEGIN_NAMESPACE |
| class QMediaContent; |
| QT_END_NAMESPACE |
| |
| QT_USE_NAMESPACE |
| |
| class SourceResolver; |
| class MFAudioEndpointControl; |
| class MFVideoRendererControl; |
| class MFPlayerControl; |
| class MFMetaDataControl; |
| class MFPlayerService; |
| class AudioSampleGrabberCallback; |
| class MFTransform; |
| class MFAudioProbeControl; |
| class MFVideoProbeControl; |
| |
| class MFPlayerSession : public QObject, public IMFAsyncCallback |
| { |
| Q_OBJECT |
| friend class SourceResolver; |
| public: |
| MFPlayerSession(MFPlayerService *playerService = 0); |
| ~MFPlayerSession(); |
| |
| STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppvObject); |
| |
| STDMETHODIMP_(ULONG) AddRef(void); |
| |
| STDMETHODIMP_(ULONG) Release(void); |
| |
| STDMETHODIMP Invoke(IMFAsyncResult *pResult); |
| |
| STDMETHODIMP GetParameters(DWORD *pdwFlags, DWORD *pdwQueue) |
| { |
| Q_UNUSED(pdwFlags); |
| Q_UNUSED(pdwQueue); |
| return E_NOTIMPL; |
| } |
| |
| void load(const QMediaContent &media, QIODevice *stream); |
| void stop(bool immediate = false); |
| void start(); |
| void pause(); |
| |
| QMediaPlayer::MediaStatus status() const; |
| qint64 position(); |
| void setPosition(qint64 position); |
| qreal playbackRate() const; |
| void setPlaybackRate(qreal rate); |
| int volume() const; |
| void setVolume(int volume); |
| bool isMuted() const; |
| void setMuted(bool muted); |
| int bufferStatus(); |
| QMediaTimeRange availablePlaybackRanges(); |
| |
| void changeStatus(QMediaPlayer::MediaStatus newStatus); |
| |
| void close(); |
| |
| void addProbe(MFAudioProbeControl* probe); |
| void removeProbe(MFAudioProbeControl* probe); |
| void addProbe(MFVideoProbeControl* probe); |
| void removeProbe(MFVideoProbeControl* probe); |
| |
| Q_SIGNALS: |
| void error(QMediaPlayer::Error error, QString errorString, bool isFatal); |
| void sessionEvent(IMFMediaEvent *sessionEvent); |
| void statusChanged(); |
| void audioAvailable(); |
| void videoAvailable(); |
| void durationUpdate(qint64 duration); |
| void seekableUpdate(bool seekable); |
| void positionChanged(qint64 position); |
| void playbackRateChanged(qreal rate); |
| void volumeChanged(int volume); |
| void mutedChanged(bool muted); |
| void bufferStatusChanged(int percentFilled); |
| |
| private Q_SLOTS: |
| void handleMediaSourceReady(); |
| void handleSessionEvent(IMFMediaEvent *sessionEvent); |
| void handleSourceError(long hr); |
| |
| private: |
| long m_cRef; |
| MFPlayerService *m_playerService; |
| IMFMediaSession *m_session; |
| IMFPresentationClock *m_presentationClock; |
| IMFRateControl *m_rateControl; |
| IMFRateSupport *m_rateSupport; |
| IMFAudioStreamVolume *m_volumeControl; |
| IPropertyStore *m_netsourceStatistics; |
| PROPVARIANT m_varStart; |
| UINT64 m_duration; |
| |
| enum Command |
| { |
| CmdNone = 0, |
| CmdStop, |
| CmdStart, |
| CmdPause, |
| CmdSeek, |
| CmdSeekResume, |
| CmdStartAndSeek |
| }; |
| |
| void clear(); |
| void setPositionInternal(qint64 position, Command requestCmd); |
| void setPlaybackRateInternal(qreal rate); |
| void commitRateChange(qreal rate, BOOL isThin); |
| bool canScrub() const; |
| void scrub(bool enableScrub); |
| bool m_scrubbing; |
| float m_restoreRate; |
| |
| SourceResolver *m_sourceResolver; |
| HANDLE m_hCloseEvent; |
| bool m_closing; |
| |
| enum MediaType |
| { |
| Unknown = 0, |
| Audio = 1, |
| Video = 2, |
| }; |
| DWORD m_mediaTypes; |
| |
| enum PendingState |
| { |
| NoPending = 0, |
| CmdPending, |
| SeekPending, |
| }; |
| |
| struct SeekState |
| { |
| void setCommand(Command cmd) { |
| prevCmd = command; |
| command = cmd; |
| } |
| Command command; |
| Command prevCmd; |
| float rate; // Playback rate |
| BOOL isThin; // Thinned playback? |
| qint64 start; // Start position |
| }; |
| SeekState m_state; // Current nominal state. |
| SeekState m_request; // Pending request. |
| PendingState m_pendingState; |
| float m_pendingRate; |
| void updatePendingCommands(Command command); |
| |
| QMediaPlayer::MediaStatus m_status; |
| bool m_canScrub; |
| int m_volume; |
| bool m_muted; |
| |
| void setVolumeInternal(int volume); |
| |
| void createSession(); |
| void setupPlaybackTopology(IMFMediaSource *source, IMFPresentationDescriptor *sourcePD); |
| MediaType getStreamType(IMFStreamDescriptor *stream) const; |
| IMFTopologyNode* addSourceNode(IMFTopology* topology, IMFMediaSource* source, |
| IMFPresentationDescriptor* presentationDesc, IMFStreamDescriptor *streamDesc); |
| IMFTopologyNode* addOutputNode(MediaType mediaType, IMFTopology* topology, DWORD sinkID); |
| |
| bool addAudioSampleGrabberNode(IMFTopology* topology); |
| bool setupAudioSampleGrabber(IMFTopology *topology, IMFTopologyNode *sourceNode, IMFTopologyNode *outputNode); |
| QAudioFormat audioFormatForMFMediaType(IMFMediaType *mediaType) const; |
| AudioSampleGrabberCallback *m_audioSampleGrabber; |
| IMFTopologyNode *m_audioSampleGrabberNode; |
| |
| IMFTopology *insertMFT(IMFTopology *topology, TOPOID outputNodeId); |
| bool insertResizer(IMFTopology *topology); |
| void insertColorConverter(IMFTopology *topology, TOPOID outputNodeId); |
| MFTransform *m_videoProbeMFT; |
| QList<MFVideoProbeControl*> m_videoProbes; |
| }; |
| |
| |
| #endif |