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
/*
* Copyright (C) 2013 Open Education Foundation
*
* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
* l'Education Numérique en Afrique (GIP ENA)
*
* This file is part of OpenBoard.
*
* OpenBoard is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License,
* with a specific linking exception for the OpenSSL project's
* "OpenSSL" library (or with modified versions of it that use the
* same license as the "OpenSSL" library).
*
* OpenBoard is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UBQUICKTIMEFILE_H_
#define UBQUICKTIMEFILE_H_
#include <QtCore>
#include <ApplicationServices/ApplicationServices.h>
#include <QuickTime/QuickTime.h>
#include <AudioToolbox/AudioToolbox.h>
#include "UBAudioQueueRecorder.h"
class UBQuickTimeFile : public QThread
{
Q_OBJECT;
public:
UBQuickTimeFile(QObject * pParent = 0);
virtual ~UBQuickTimeFile();
bool init(const QString& videoFileName, const QString& profileData
, int pFramesPerSecond, const QSize& pFrameSize
, bool recordAudio = true, const QString& audioDeviceName = QString("Default"));
void stop();
CVPixelBufferRef newPixelBuffer();
bool isCompressionSessionRunning()
{
return mCompressionSessionRunning;
}
QString lastErrorMessage() const
{
return mLastErrorMessage;
}
struct VideoFrame
{
CVPixelBufferRef buffer;
long timestamp;
};
static QQueue<VideoFrame> frameQueue;
static QMutex frameQueueMutex;
static QWaitCondition frameBufferNotEmpty;
signals:
void audioLevelChanged(quint8 level);
void compressionSessionStarted();
protected:
void run();
private slots:
void appendAudioBuffer(void* pBuffer, long pLength, int inNumberPacketDescriptions
, const AudioStreamPacketDescription* inPacketDescs);
private:
static OSStatus addEncodedFrameToMovie(void *encodedFrameOutputRefCon,
ICMCompressionSessionRef session,
OSStatus err,
ICMEncodedFrameRef encodedFrame,
void *reserved);
void appendVideoFrame(CVPixelBufferRef pixelBuffer, long msTimeStamp);
void addEncodedFrame(ICMEncodedFrameRef encodedFrame, OSStatus err);
bool createCompressionSession();
bool closeCompressionSession();
bool createMovie();
bool createVideoMedia();
bool createAudioMedia();
void setLastErrorMessage(const QString& error);
bool flushPendingFrames();
ICMCompressionSessionRef mVideoCompressionSession;
Media mVideoMedia;
Media mSoundMedia;
Track mVideoOutputTrack;
Track mSoundOutputTrack;
volatile CVPixelBufferPoolRef mCVPixelBufferPool;
SoundDescriptionHandle mSoundDescription;
Movie mOutputMovie;
DataHandler mOutputMovieDataHandler;
int mFramesPerSecond;
QSize mFrameSize;
QString mVideoFileName;
long mTimeScale;
bool mRecordAudio;
QString mLastErrorMessage;
AudioStreamBasicDescription mAudioDataFormat;
QPointer<UBAudioQueueRecorder> mWaveRecorder;
CodecQ mSpatialQuality;
volatile bool mSouldStopCompression;
volatile bool mCompressionSessionRunning;
QString mAudioRecordingDeviceName;
volatile int mPendingFrames;
};
#endif /* UBQUICKTIMEFILE_H_ */