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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef MFPLAYERSESSION_H
#define MFPLAYERSESSION_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <mfapi.h>
#include <mfidl.h>
#include "qmediaplayer.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/qvideoframeformat.h>
#include <qaudiodevice.h>
#include <qtimer.h>
#include "mfplayercontrol_p.h"
#include <private/qcomptr_p.h>
#include <evrhelpers_p.h>
QT_BEGIN_NAMESPACE
class QUrl;
class SourceResolver;
class MFVideoRendererControl;
class MFPlayerControl;
class MFPlayerService;
class AudioSampleGrabberCallback;
class MFTransform;
class MFPlayerSession : public QObject, public IMFAsyncCallback
{
Q_OBJECT
friend class SourceResolver;
public:
MFPlayerSession(MFPlayerControl *playerControl = 0);
STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppvObject) override;
STDMETHODIMP_(ULONG) AddRef(void) override;
STDMETHODIMP_(ULONG) Release(void) override;
STDMETHODIMP Invoke(IMFAsyncResult *pResult) override;
STDMETHODIMP GetParameters(DWORD *pdwFlags, DWORD *pdwQueue) override
{
Q_UNUSED(pdwFlags);
Q_UNUSED(pdwQueue);
return E_NOTIMPL;
}
void load(const QUrl &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);
float bufferProgress();
QMediaTimeRange availablePlaybackRanges();
void changeStatus(QMediaPlayer::MediaStatus newStatus);
void close();
void setAudioOutput(QPlatformAudioOutput *device);
QMediaMetaData metaData() const { return m_metaData; }
void setVideoSink(QVideoSink *sink);
void setActiveTrack(QPlatformMediaPlayer::TrackType type, int index);
int activeTrack(QPlatformMediaPlayer::TrackType type);
int trackCount(QPlatformMediaPlayer::TrackType);
QMediaMetaData trackMetaData(QPlatformMediaPlayer::TrackType type, int trackNumber);
void setPlayerControl(MFPlayerControl *playerControl) { m_playerControl = playerControl; }
void statusChanged() { if (m_playerControl) m_playerControl->handleStatusChanged(); }
void tracksChanged() { if (m_playerControl) m_playerControl->handleTracksChanged(); }
void audioAvailable() { if (m_playerControl) m_playerControl->handleAudioAvailable(); }
void videoAvailable() { if (m_playerControl) m_playerControl->handleVideoAvailable(); }
void durationUpdate(qint64 duration) { if (m_playerControl) m_playerControl->handleDurationUpdate(duration); }
void seekableUpdate(bool seekable) { if (m_playerControl) m_playerControl->handleSeekableUpdate(seekable); }
void error(QMediaPlayer::Error error, QString errorString, bool isFatal) { if (m_playerControl) m_playerControl->handleError(error, errorString, isFatal); }
void playbackRateChanged(qreal rate) { if (m_playerControl) m_playerControl->playbackRateChanged(rate); }
void bufferProgressChanged(float percentFilled) { if (m_playerControl) m_playerControl->bufferProgressChanged(percentFilled); }
void metaDataChanged() { if (m_playerControl) m_playerControl->metaDataChanged(); }
void positionChanged(qint64 position) { if (m_playerControl) m_playerControl->positionChanged(position); }
public Q_SLOTS:
void setVolume(float volume);
void setMuted(bool muted);
void updateOutputRouting();
Q_SIGNALS:
void sessionEvent(const ComPtr<IMFMediaEvent> &sessionEvent);
private Q_SLOTS:
void handleMediaSourceReady();
void handleSessionEvent(const ComPtr<IMFMediaEvent> &sessionEvent);
void handleSourceError(long hr);
void timeout();
private:
long m_cRef;
MFPlayerControl *m_playerControl = nullptr;
MFVideoRendererControl *m_videoRendererControl = nullptr;
ComPtr<IMFMediaSession> m_session;
ComPtr<IMFPresentationClock> m_presentationClock;
ComPtr<IMFRateControl> m_rateControl;
ComPtr<IMFRateSupport> m_rateSupport;
ComPtr<IMFAudioStreamVolume> m_volumeControl;
ComPtr<IPropertyStore> m_netsourceStatistics;
qint64 m_position = 0;
qint64 m_restorePosition = -1;
qint64 m_timeCounter = 0;
UINT64 m_duration = 0;
bool m_updatingTopology = false;
bool m_updateRoutingOnStart = false;
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;
ComPtr<SourceResolver> m_sourceResolver;
EventHandle 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);
struct TrackInfo
{
QList<QMediaMetaData> metaData;
QList<int> nativeIndexes;
int currentIndex = -1;
TOPOID sourceNodeId = -1;
TOPOID outputNodeId = -1;
GUID format = GUID_NULL;
};
TrackInfo m_trackInfo[QPlatformMediaPlayer::NTrackTypes];
QMediaPlayer::MediaStatus m_status;
bool m_canScrub;
float m_volume = 1.;
bool m_muted = false;
QPlatformAudioOutput *m_audioOutput = nullptr;
QMediaMetaData m_metaData;
void setVolumeInternal(float volume);
bool createSession();
void setupPlaybackTopology(IMFMediaSource *source, IMFPresentationDescriptor *sourcePD);
bool getStreamInfo(IMFStreamDescriptor *stream, MFPlayerSession::MediaType *type, QString *name, QString *language, GUID *format) const;
ComPtr<IMFTopologyNode> addSourceNode(IMFTopology *topology, IMFMediaSource *source,
IMFPresentationDescriptor *presentationDesc,
IMFStreamDescriptor *streamDesc);
ComPtr<IMFTopologyNode> addOutputNode(MediaType mediaType, IMFTopology *topology, DWORD sinkID);
QAudioFormat audioFormatForMFMediaType(IMFMediaType *mediaType) const;
ComPtr<IMFTopology> insertMFT(const ComPtr<IMFTopology> &topology, TOPOID outputNodeId);
bool insertResizer(IMFTopology *topology);
void insertColorConverter(IMFTopology *topology, TOPOID outputNodeId);
QTimer m_signalPositionChangeTimer;
qint64 m_lastPosition = -1;
};
QT_END_NAMESPACE
#endif
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