Developer Documentation

Video.cc
1 /*===========================================================================*\
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40 \*===========================================================================*/
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46
47 //=============================================================================
48 //
49 // CLASS Core - IMPLEMENTATION
50 //
51 //=============================================================================
52
53
54 //== INCLUDES =================================================================
55
56 // -------------------- mview
57 #include "Core.hh"
58
59 //== IMPLEMENTATION ==========================================================
60
61 //-----------------------------------------------------------------------------
62
63 void Core::startVideoCapture(QString _baseName, int _fps, bool _captureViewers) {
64
65 connect( &videoTimer_ , SIGNAL(timeout()), this, SLOT( viewUpdated() ) ,Qt::DirectConnection );
66 // set track to true;
67 videoTimer_.setSingleShot(false);
68
69 // 25 fps
70 videoTimer_.start( 1000 / _fps);
71
72 lastVideoTime_.start();
73
74 QString name = _baseName;
75
76 if (_captureViewers){
77 applicationSnapshotName(name);
78 captureType_ = 1;
79 } else {
80 applicationSnapshotName(name);
81 captureType_ = 0;
82 }
83
84 capture_ = true;
85 }
86
87 void Core::captureVideo() {
88 int elapsed = lastVideoTime_.elapsed();
89
90 if ( elapsed < videoTimer_.interval() ) {
91 // std::cerr << "Too early to capture" << std::endl;
92 return;
93 }
94
95 lastVideoTime_.restart();
96
97 if (captureType_ == 1)
98 viewerSnapshot();
99 else
100 applicationSnapshot();
101 }
102
103
104 void Core::stopVideoCapture() {
105 videoTimer_.stop();
106 capture_ = false;
107
108 if ( OpenFlipper::Options::gui() ){
109
110 if (captureType_ == 1){
111 coreWidget_->glView_->resize(lastWidth_, lastHeight_);
112 } else {
113 coreWidget_->resize(lastWidth_, lastHeight_);
114 }
115 }
116 }
117
118 void Core::viewUpdated( ) {
119
120 if ( capture_ )
121 captureVideo();
122
123 // Only call the view updates, if the scenegraph updates are not currently locked!
124 if ( ! OpenFlipper::Options::sceneGraphUpdatesBlocked() )
125 emit pluginViewChanged();
126 }
127
128
129
130 //=============================================================================
Core::capture_
bool capture_
Slot called everytime the view is updated.
Definition: Core.hh:936
Core::pluginViewChanged
void pluginViewChanged()
This signal is emitted if one of the viewers updated its view.
Core::stopVideoCapture
void stopVideoCapture()
Stop video capturing.
Definition: Video.cc:104
Core::lastWidth_
int lastWidth_
Slot called everytime the view is updated.
Definition: Core.hh:938
Core::viewUpdated
void viewUpdated()
Slot called everytime the view is updated.
Definition: Video.cc:118
Core.hh
Core::coreWidget_
CoreWidget * coreWidget_
The main applications widget ( only created in gui mode )
Definition: Core.hh:1596
Core::viewerSnapshot
void viewerSnapshot()
Take a snapshot from all viewers.
Definition: Core.cc:1474
Core::lastVideoTime_
QTime lastVideoTime_
Slot called everytime the view is updated.
Definition: Core.hh:932
Core::videoTimer_
QTimer videoTimer_
Slot called everytime the view is updated.
Definition: Core.hh:931
Core::lastHeight_
int lastHeight_
Slot called everytime the view is updated.
Definition: Core.hh:939
Core::captureType_
int captureType_
Slot called everytime the view is updated.
Definition: Core.hh:934
Core::applicationSnapshotName
void applicationSnapshotName(QString _name)
Set the baseName for the application snapshot.
Definition: Core.cc:1468
Core::applicationSnapshot
void applicationSnapshot()
Take a snapshot from the whole app.
Definition: Core.cc:1462
Core::captureVideo
void captureVideo()
Function called for every frame when capturing video.
Definition: Video.cc:87
Core::startVideoCapture
void startVideoCapture(QString _baseName, int _fps, bool _captureViewers)
Start video capturing.
Definition: Video.cc:63
CoreWidget::glView_
QtGLGraphicsView * glView_
graphics view that holds the gl scene
Definition: CoreWidget.hh:713