author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 27 May 2010 13:42:11 +0300 | |
changeset 8 | 71781823f776 |
parent 5 | 453da2cfceef |
child 11 | 06b8e2af4411 |
permissions | -rw-r--r-- |
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/**************************************************************************** |
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** |
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the Qt Mobility Components. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** No Commercial Usage |
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** This file contains pre-release code and may not be distributed. |
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** You may use this file in accordance with the terms and conditions |
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** contained in the Technology Preview License Agreement accompanying |
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** this package. |
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** |
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** GNU Lesser General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU Lesser |
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** General Public License version 2.1 as published by the Free Software |
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** Foundation and appearing in the file LICENSE.LGPL included in the |
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** packaging of this file. Please review the following information to |
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** ensure the GNU Lesser General Public License version 2.1 requirements |
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at qt-info@nokia.com. |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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|
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#include "qt7backend.h" |
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|
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#import <QTKit/QTDataReference.h> |
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#import <QTKit/QTMovie.h> |
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#import <QTKit/QTMovieView.h> |
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#import <QTKit/QTMovieLayer.h> |
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#import <AppKit/NSImage.h> |
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#include "qt7playercontrol.h" |
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#include "qt7movievideowidget.h" |
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#include "qt7playersession.h" |
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#include "qcvdisplaylink.h" |
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#include <QtCore/qdebug.h> |
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#include <QtCore/qcoreapplication.h> |
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#include <QGLWidget> |
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#include <CoreFoundation/CoreFoundation.h> |
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#import <QuartzCore/QuartzCore.h> |
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#include "math.h" |
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QT_USE_NAMESPACE |
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class GLVideoWidget : public QGLWidget |
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{ |
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public: |
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GLVideoWidget(QWidget *parent, const QGLFormat &format) |
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: QGLWidget(format, parent), |
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m_texRef(0), |
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m_nativeSize(640,480), |
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m_aspectRatioMode(Qt::KeepAspectRatio) |
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{ |
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setAutoFillBackground(false); |
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} |
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void initializeGL() |
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{ |
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glClearColor(0.0f, 0.0f, 0.0f, 1.0f); |
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} |
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void resizeGL(int w, int h) |
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{ |
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glMatrixMode(GL_MODELVIEW); |
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glLoadIdentity(); |
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glMatrixMode(GL_PROJECTION); |
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glLoadIdentity(); |
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glViewport(0, 0, GLsizei(w), GLsizei(h)); |
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gluOrtho2D(0, GLsizei(w), 0, GLsizei(h)); |
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updateGL(); |
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} |
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void paintGL() |
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{ |
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glClear(GL_COLOR_BUFFER_BIT); |
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if (!m_texRef) |
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101 |
return; |
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|
102 |
|
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|
103 |
glPushMatrix(); |
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|
104 |
glDisable(GL_CULL_FACE); |
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|
105 |
GLenum target = CVOpenGLTextureGetTarget(m_texRef); |
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|
106 |
glEnable(target); |
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|
107 |
|
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|
108 |
glBindTexture(target, CVOpenGLTextureGetName(m_texRef)); |
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|
109 |
glTexParameterf(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
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|
110 |
glTexParameterf(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
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|
111 |
GLfloat lowerLeft[2], lowerRight[2], upperRight[2], upperLeft[2]; |
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|
112 |
CVOpenGLTextureGetCleanTexCoords(m_texRef, lowerLeft, lowerRight, upperRight, upperLeft); |
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|
113 |
|
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|
114 |
glBegin(GL_QUADS); |
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|
115 |
QRect rect = displayRect(); |
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|
116 |
glTexCoord2f(lowerLeft[0], lowerLeft[1]); |
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|
117 |
glVertex2i(rect.topLeft().x(), rect.topLeft().y()); |
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|
118 |
glTexCoord2f(lowerRight[0], lowerRight[1]); |
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|
119 |
glVertex2i(rect.topRight().x() + 1, rect.topRight().y()); |
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|
120 |
glTexCoord2f(upperRight[0], upperRight[1]); |
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|
121 |
glVertex2i(rect.bottomRight().x() + 1, rect.bottomRight().y() + 1); |
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122 |
glTexCoord2f(upperLeft[0], upperLeft[1]); |
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|
123 |
glVertex2i(rect.bottomLeft().x(), rect.bottomLeft().y() + 1); |
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124 |
glEnd(); |
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|
125 |
glPopMatrix(); |
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126 |
} |
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127 |
|
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|
128 |
void setCVTexture(CVOpenGLTextureRef texRef) |
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129 |
{ |
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|
130 |
if (m_texRef) |
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|
131 |
CVOpenGLTextureRelease(m_texRef); |
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|
132 |
|
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133 |
m_texRef = texRef; |
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|
134 |
|
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|
135 |
if (m_texRef) |
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|
136 |
CVOpenGLTextureRetain(m_texRef); |
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|
137 |
|
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|
138 |
if (isVisible()) { |
2b40d63a9c3d
Revision: 201011
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|
139 |
makeCurrent(); |
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Revision: 201011
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|
140 |
paintGL(); |
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Revision: 201011
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|
141 |
swapBuffers(); |
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Revision: 201011
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|
142 |
} |
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Revision: 201011
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|
143 |
} |
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|
144 |
|
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|
145 |
QSize sizeHint() const |
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Revision: 201011
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parents:
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|
146 |
{ |
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|
147 |
return m_nativeSize; |
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|
148 |
} |
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|
149 |
|
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|
150 |
void setNativeSize(const QSize &size) |
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Revision: 201011
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|
151 |
{ |
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|
152 |
m_nativeSize = size; |
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Revision: 201011
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|
153 |
} |
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|
154 |
|
4
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1
diff
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|
155 |
void setAspectRatioMode(Qt::AspectRatioMode mode) |
1
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Revision: 201011
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|
156 |
{ |
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Revision: 201011
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parents:
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|
157 |
if (m_aspectRatioMode != mode) { |
2b40d63a9c3d
Revision: 201011
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parents:
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|
158 |
m_aspectRatioMode = mode; |
2b40d63a9c3d
Revision: 201011
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parents:
diff
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|
159 |
update(); |
2b40d63a9c3d
Revision: 201011
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parents:
diff
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|
160 |
} |
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Revision: 201011
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parents:
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|
161 |
} |
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Revision: 201011
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parents:
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|
162 |
|
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Revision: 201011
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|
163 |
private: |
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Revision: 201011
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parents:
diff
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|
164 |
QRect displayRect() const |
2b40d63a9c3d
Revision: 201011
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parents:
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|
165 |
{ |
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Revision: 201011
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parents:
diff
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|
166 |
QRect displayRect = rect(); |
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Revision: 201011
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parents:
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|
167 |
|
4
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Revision: 201015
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1
diff
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|
168 |
if (m_aspectRatioMode == Qt::KeepAspectRatio) { |
1
2b40d63a9c3d
Revision: 201011
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parents:
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|
169 |
QSize size = m_nativeSize; |
2b40d63a9c3d
Revision: 201011
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parents:
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|
170 |
size.scale(displayRect.size(), Qt::KeepAspectRatio); |
2b40d63a9c3d
Revision: 201011
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parents:
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|
171 |
|
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Revision: 201011
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|
172 |
displayRect = QRect(QPoint(0, 0), size); |
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
173 |
displayRect.moveCenter(rect().center()); |
2b40d63a9c3d
Revision: 201011
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parents:
diff
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|
174 |
} |
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
175 |
return displayRect; |
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Revision: 201011
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parents:
diff
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|
176 |
} |
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Revision: 201011
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parents:
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|
177 |
|
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Revision: 201011
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parents:
diff
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|
178 |
CVOpenGLTextureRef m_texRef; |
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
179 |
QSize m_nativeSize; |
4
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Revision: 201015
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|
180 |
Qt::AspectRatioMode m_aspectRatioMode; |
1
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|
181 |
}; |
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Revision: 201011
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parents:
diff
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|
182 |
|
2b40d63a9c3d
Revision: 201011
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parents:
diff
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|
183 |
QT7MovieVideoWidget::QT7MovieVideoWidget(QObject *parent) |
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
184 |
:QT7VideoWidgetControl(parent), |
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
185 |
m_movie(0), |
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
186 |
m_videoWidget(0), |
2b40d63a9c3d
Revision: 201011
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parents:
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|
187 |
m_fullscreen(false), |
4
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Revision: 201015
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parents:
1
diff
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|
188 |
m_aspectRatioMode(Qt::KeepAspectRatio), |
1
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
189 |
m_brightness(0), |
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
190 |
m_contrast(0), |
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
191 |
m_hue(0), |
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
192 |
m_saturation(0) |
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
193 |
{ |
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Revision: 201011
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parents:
diff
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|
194 |
qDebug() << "QT7MovieVideoWidget"; |
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
195 |
|
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Revision: 201011
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parents:
diff
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|
196 |
QGLFormat format = QGLFormat::defaultFormat(); |
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
197 |
format.setSwapInterval(1); // Vertical sync (avoid tearing) |
2b40d63a9c3d
Revision: 201011
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parents:
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|
198 |
m_videoWidget = new GLVideoWidget(0, format); |
2b40d63a9c3d
Revision: 201011
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parents:
diff
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|
199 |
|
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Revision: 201011
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|
200 |
m_displayLink = new QCvDisplayLink(this); |
2b40d63a9c3d
Revision: 201011
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parents:
diff
changeset
|
201 |
|
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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connect(m_displayLink, SIGNAL(tick(CVTimeStamp)), SLOT(updateVideoFrame(CVTimeStamp))); |
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|
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if (!createVisualContext()) { |
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qWarning() << "QT7MovieVideoWidget: failed to create visual context"; |
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} |
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} |
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|
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|
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bool QT7MovieVideoWidget::createVisualContext() |
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{ |
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#ifdef QUICKTIME_C_API_AVAILABLE |
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m_videoWidget->makeCurrent(); |
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|
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AutoReleasePool pool; |
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CGLContextObj cglContext = CGLGetCurrentContext(); |
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NSOpenGLPixelFormat *nsglPixelFormat = [NSOpenGLView defaultPixelFormat]; |
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CGLPixelFormatObj cglPixelFormat = static_cast<CGLPixelFormatObj>([nsglPixelFormat CGLPixelFormatObj]); |
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|
4
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CFTypeRef keys[] = { kQTVisualContextOutputColorSpaceKey }; |
1
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CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); |
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CFDictionaryRef textureContextAttributes = CFDictionaryCreate(kCFAllocatorDefault, |
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(const void **)keys, |
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(const void **)&colorSpace, 1, |
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&kCFTypeDictionaryKeyCallBacks, |
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&kCFTypeDictionaryValueCallBacks); |
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|
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OSStatus err = QTOpenGLTextureContextCreate(kCFAllocatorDefault, |
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cglContext, |
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cglPixelFormat, |
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textureContextAttributes, |
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&m_visualContext); |
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if (err != noErr) |
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qWarning() << "Could not create visual context (OpenGL)"; |
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235 |
|
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236 |
|
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return (err == noErr); |
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#endif // QUICKTIME_C_API_AVAILABLE |
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239 |
|
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return false; |
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} |
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242 |
|
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243 |
QT7MovieVideoWidget::~QT7MovieVideoWidget() |
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{ |
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m_displayLink->stop(); |
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[(QTMovie*)m_movie release]; |
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delete m_videoWidget; |
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} |
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|
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QWidget *QT7MovieVideoWidget::videoWidget() |
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{ |
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return m_videoWidget; |
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} |
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|
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void QT7MovieVideoWidget::setupVideoOutput() |
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{ |
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257 |
AutoReleasePool pool; |
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|
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259 |
qDebug() << "QT7MovieVideoWidget::setupVideoOutput" << m_movie; |
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|
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261 |
if (m_movie == 0) { |
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m_displayLink->stop(); |
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263 |
return; |
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} |
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265 |
|
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NSSize size = [[(QTMovie*)m_movie attributeForKey:@"QTMovieCurrentSizeAttribute"] sizeValue]; |
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m_nativeSize = QSize(size.width, size.height); |
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m_videoWidget->setNativeSize(m_nativeSize); |
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|
269 |
|
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#ifdef QUICKTIME_C_API_AVAILABLE |
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// targets a Movie to render into a visual context |
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SetMovieVisualContext([(QTMovie*)m_movie quickTimeMovie], m_visualContext); |
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273 |
#endif |
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|
274 |
|
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m_displayLink->start(); |
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276 |
} |
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277 |
|
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278 |
void QT7MovieVideoWidget::setEnabled(bool) |
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279 |
{ |
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280 |
} |
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281 |
|
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void QT7MovieVideoWidget::setMovie(void *movie) |
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283 |
{ |
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if (m_movie == movie) |
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return; |
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|
286 |
|
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287 |
if (m_movie) { |
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288 |
#ifdef QUICKTIME_C_API_AVAILABLE |
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SetMovieVisualContext([(QTMovie*)m_movie quickTimeMovie], nil); |
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290 |
#endif |
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[(QTMovie*)m_movie release]; |
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292 |
} |
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|
293 |
|
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m_movie = movie; |
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[(QTMovie*)m_movie retain]; |
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|
296 |
|
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297 |
setupVideoOutput(); |
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298 |
} |
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|
299 |
|
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300 |
bool QT7MovieVideoWidget::isFullScreen() const |
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301 |
{ |
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302 |
return m_fullscreen; |
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303 |
} |
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|
304 |
|
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void QT7MovieVideoWidget::setFullScreen(bool fullScreen) |
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{ |
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m_fullscreen = fullScreen; |
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} |
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309 |
|
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310 |
QSize QT7MovieVideoWidget::nativeSize() const |
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{ |
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return m_nativeSize; |
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} |
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314 |
|
4
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315 |
Qt::AspectRatioMode QT7MovieVideoWidget::aspectRatioMode() const |
1
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{ |
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return m_aspectRatioMode; |
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} |
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319 |
|
4
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void QT7MovieVideoWidget::setAspectRatioMode(Qt::AspectRatioMode mode) |
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321 |
{ |
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m_aspectRatioMode = mode; |
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m_videoWidget->setAspectRatioMode(mode); |
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} |
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325 |
|
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int QT7MovieVideoWidget::brightness() const |
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{ |
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return m_brightness; |
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} |
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330 |
|
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void QT7MovieVideoWidget::setBrightness(int brightness) |
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{ |
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m_brightness = brightness; |
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updateColors(); |
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} |
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|
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int QT7MovieVideoWidget::contrast() const |
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{ |
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return m_contrast; |
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} |
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|
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void QT7MovieVideoWidget::setContrast(int contrast) |
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{ |
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m_contrast = contrast; |
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updateColors(); |
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} |
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|
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int QT7MovieVideoWidget::hue() const |
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{ |
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return m_hue; |
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} |
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|
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void QT7MovieVideoWidget::setHue(int hue) |
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{ |
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m_hue = hue; |
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updateColors(); |
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} |
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|
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int QT7MovieVideoWidget::saturation() const |
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{ |
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return m_saturation; |
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} |
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|
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void QT7MovieVideoWidget::setSaturation(int saturation) |
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365 |
{ |
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m_saturation = saturation; |
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updateColors(); |
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} |
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|
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void QT7MovieVideoWidget::updateColors() |
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371 |
{ |
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372 |
#ifdef QUICKTIME_C_API_AVAILABLE |
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if (m_movie) { |
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QTMovie *movie = (QTMovie*)m_movie; |
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|
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Float32 value; |
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value = m_brightness/100.0; |
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SetMovieVisualBrightness([movie quickTimeMovie], value, 0); |
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value = pow(2, m_contrast/50.0); |
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SetMovieVisualContrast([movie quickTimeMovie], value, 0); |
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value = m_hue/100.0; |
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382 |
SetMovieVisualHue([movie quickTimeMovie], value, 0); |
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value = 1.0+m_saturation/100.0; |
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|
384 |
SetMovieVisualSaturation([movie quickTimeMovie], value, 0); |
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|
385 |
} |
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|
386 |
#endif |
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387 |
} |
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|
388 |
|
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|
389 |
void QT7MovieVideoWidget::updateVideoFrame(const CVTimeStamp &ts) |
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390 |
{ |
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Revision: 201011
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|
391 |
#ifdef QUICKTIME_C_API_AVAILABLE |
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|
392 |
AutoReleasePool pool; |
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Revision: 201011
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|
393 |
// check for new frame |
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|
394 |
if (m_visualContext && QTVisualContextIsNewImageAvailable(m_visualContext, &ts)) { |
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Revision: 201011
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|
395 |
CVOpenGLTextureRef currentFrame = NULL; |
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|
396 |
|
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Revision: 201011
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|
397 |
// get a "frame" (image buffer) from the Visual Context, indexed by the provided time |
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|
398 |
OSStatus status = QTVisualContextCopyImageForTime(m_visualContext, NULL, &ts, ¤tFrame); |
2b40d63a9c3d
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|
399 |
|
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Revision: 201011
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|
400 |
// the above call may produce a null frame so check for this first |
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Revision: 201011
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parents:
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|
401 |
// if we have a frame, then draw it |
2b40d63a9c3d
Revision: 201011
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parents:
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|
402 |
if (status == noErr && currentFrame) { |
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Revision: 201011
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|
403 |
//qDebug() << "render video frame"; |
2b40d63a9c3d
Revision: 201011
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|
404 |
m_videoWidget->setCVTexture(currentFrame); |
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Revision: 201011
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|
405 |
CVOpenGLTextureRelease(currentFrame); |
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Revision: 201011
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|
406 |
} |
2b40d63a9c3d
Revision: 201011
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diff
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407 |
QTVisualContextTask(m_visualContext); |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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} |
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Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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409 |
#else |
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Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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Q_UNUSED(ts); |
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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411 |
#endif |
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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} |
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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413 |
|
2b40d63a9c3d
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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414 |
#include "moc_qt7movievideowidget.cpp" |