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Video.cc
1 /*===========================================================================*\
2 * *
3 * OpenFlipper *
4 * Copyright (c) 2001-2015, RWTH-Aachen University *
5 * Department of Computer Graphics and Multimedia *
6 * All rights reserved. *
7 * www.openflipper.org *
8 * *
9 *---------------------------------------------------------------------------*
10 * This file is part of OpenFlipper. *
11 *---------------------------------------------------------------------------*
12 * *
13 * Redistribution and use in source and binary forms, with or without *
14 * modification, are permitted provided that the following conditions *
15 * are met: *
16 * *
17 * 1. Redistributions of source code must retain the above copyright notice, *
18 * this list of conditions and the following disclaimer. *
19 * *
20 * 2. Redistributions in binary form must reproduce the above copyright *
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22 * documentation and/or other materials provided with the distribution. *
23 * *
24 * 3. Neither the name of the copyright holder nor the names of its *
25 * contributors may be used to endorse or promote products derived from *
26 * this software without specific prior written permission. *
27 * *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
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34 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
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38 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
39 * *
40 \*===========================================================================*/
41
42 /*===========================================================================*\
43 * *
44 * $Revision$ *
45 * $LastChangedBy$ *
46 * $Date$ *
47 * *
48 \*===========================================================================*/
49
50
51
52
53 //=============================================================================
54 //
55 // CLASS Core - IMPLEMENTATION
56 //
57 //=============================================================================
58
59
60 //== INCLUDES =================================================================
61
62 // -------------------- mview
63 #include "Core.hh"
64
65 //== IMPLEMENTATION ==========================================================
66
67 //-----------------------------------------------------------------------------
68
69 void Core::startVideoCapture(QString _baseName, int _fps, bool _captureViewers) {
70
71 connect( &videoTimer_ , SIGNAL(timeout()), this, SLOT( viewUpdated() ) ,Qt::DirectConnection );
72 // set track to true;
73 videoTimer_.setSingleShot(false);
74
75 // 25 fps
76 videoTimer_.start( 1000 / _fps);
77
78 lastVideoTime_.start();
79
80 QString name = _baseName;
81
82 if (_captureViewers){
83 applicationSnapshotName(name);
84 captureType_ = 1;
85 } else {
86 applicationSnapshotName(name);
87 captureType_ = 0;
88 }
89
90 capture_ = true;
91 }
92
93 void Core::captureVideo() {
94 int elapsed = lastVideoTime_.elapsed();
95
96 if ( elapsed < videoTimer_.interval() ) {
97 // std::cerr << "Too early to capture" << std::endl;
98 return;
99 }
100
101 lastVideoTime_.restart();
102
103 if (captureType_ == 1)
104 viewerSnapshot();
105 else
106 applicationSnapshot();
107 }
108
109
110 void Core::stopVideoCapture() {
111 videoTimer_.stop();
112 capture_ = false;
113
114 if ( OpenFlipper::Options::gui() ){
115
116 if (captureType_ == 1){
117 coreWidget_->glView_->resize(lastWidth_, lastHeight_);
118 } else {
119 coreWidget_->resize(lastWidth_, lastHeight_);
120 }
121 }
122 }
123
124 void Core::viewUpdated( ) {
125
126 if ( capture_ )
127 captureVideo();
128
129 // Only call the view updates, if the scenegraph updates are not currently locked!
130 if ( ! OpenFlipper::Options::sceneGraphUpdatesBlocked() )
131 emit pluginViewChanged();
132 }
133
134
135
136 //=============================================================================
Core::viewerSnapshot
void viewerSnapshot()
Take a snapshot from all viewers.
Definition: Core.cc:1459
Core::viewUpdated
void viewUpdated()
Slot called everytime the view is updated.
Definition: Video.cc:124
CoreWidget::glView_
QtGLGraphicsView * glView_
graphics view that holds the gl scene
Definition: CoreWidget.hh:705
Core::captureVideo
void captureVideo()
Function called for every frame when capturing video.
Definition: Video.cc:93
Core::startVideoCapture
void startVideoCapture(QString _baseName, int _fps, bool _captureViewers)
Start video capturing.
Definition: Video.cc:69
Core::lastHeight_
int lastHeight_
Slot called everytime the view is updated.
Definition: Core.hh:915
Core::applicationSnapshot
void applicationSnapshot()
Take a snapshot from the whole app.
Definition: Core.cc:1447
Core::applicationSnapshotName
void applicationSnapshotName(QString _name)
Set the baseName for the application snapshot.
Definition: Core.cc:1453
Core::stopVideoCapture
void stopVideoCapture()
Stop video capturing.
Definition: Video.cc:110
Core::captureType_
int captureType_
Slot called everytime the view is updated.
Definition: Core.hh:910
Core::pluginViewChanged
void pluginViewChanged()
This signal is emitted if one of the viewers updated its view.
Core::capture_
bool capture_
Slot called everytime the view is updated.
Definition: Core.hh:912
Core::lastWidth_
int lastWidth_
Slot called everytime the view is updated.
Definition: Core.hh:914
Core::videoTimer_
QTimer videoTimer_
Slot called everytime the view is updated.
Definition: Core.hh:907
Core::coreWidget_
CoreWidget * coreWidget_
The main applications widget ( only created in gui mode )
Definition: Core.hh:1553
Core.hh
Core::lastVideoTime_
QTime lastVideoTime_
Slot called everytime the view is updated.
Definition: Core.hh:908