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Diffstat (limited to 'src/plugins/avfoundation/mediaplayer/avfdisplaylink.h')
-rw-r--r-- | src/plugins/avfoundation/mediaplayer/avfdisplaylink.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/plugins/avfoundation/mediaplayer/avfdisplaylink.h b/src/plugins/avfoundation/mediaplayer/avfdisplaylink.h new file mode 100644 index 000000000..d83f3447d --- /dev/null +++ b/src/plugins/avfoundation/mediaplayer/avfdisplaylink.h @@ -0,0 +1,84 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 AVFDISPLAYLINK_H +#define AVFDISPLAYLINK_H + +#include <QtCore/qobject.h> +#include <QtCore/qmutex.h> + +#include <QuartzCore/CVDisplayLink.h> + +QT_BEGIN_NAMESPACE + +class AVFDisplayLink : public QObject +{ + Q_OBJECT +public: + explicit AVFDisplayLink(QObject *parent = 0); + virtual ~AVFDisplayLink(); + bool isValid() const; + bool isActive() const; + +public Q_SLOTS: + void start(); + void stop(); + +Q_SIGNALS: + void tick(const CVTimeStamp &ts); + +public: + void displayLinkEvent(const CVTimeStamp *); + +protected: + virtual bool event(QEvent *); + +private: + CVDisplayLinkRef m_displayLink; + QMutex m_displayLinkMutex; + bool m_pendingDisplayLinkEvent; + bool m_isActive; + CVTimeStamp m_frameTimeStamp; +}; + +QT_END_NAMESPACE + +#endif // AVFDISPLAYLINK_H |