1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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;
#ifndef Q_WS_SIMULATOR
class Evr9VideoWindowControl;
#endif
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;
IMFSimpleAudioVolume *m_volumeControl;
IPropertyStore *m_netsourceStatistics;
PROPVARIANT m_varStart;
UINT64 m_duration;
enum Command
{
CmdNone = 0,
CmdStop,
CmdStart,
CmdPause,
CmdSeek,
CmdSeekResume,
};
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 createSession();
void setupPlaybackTopology(IMFMediaSource *source, IMFPresentationDescriptor *sourcePD);
IMFTopologyNode* addSourceNode(IMFTopology* topology, IMFMediaSource* source,
IMFPresentationDescriptor* presentationDesc, IMFStreamDescriptor *streamDesc);
IMFTopologyNode* addOutputNode(IMFStreamDescriptor *streamDesc, 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);
MFTransform *m_videoProbeMFT;
};
#endif
|
