diff options
Diffstat (limited to 'src/plugins/mediaservices/qt7/qcvdisplaylink.mm')
| -rw-r--r-- | src/plugins/mediaservices/qt7/qcvdisplaylink.mm | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/src/plugins/mediaservices/qt7/qcvdisplaylink.mm b/src/plugins/mediaservices/qt7/qcvdisplaylink.mm deleted file mode 100644 index 00b4dc5..0000000 --- a/src/plugins/mediaservices/qt7/qcvdisplaylink.mm +++ /dev/null @@ -1,158 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** 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, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qcvdisplaylink.h" - -#include <QtCore/qcoreapplication.h> -#include <QtCore/qdebug.h> - -QT_BEGIN_NAMESPACE - -static CVReturn CVDisplayLinkCallback(CVDisplayLinkRef displayLink, - const CVTimeStamp *inNow, - const CVTimeStamp *inOutputTime, - CVOptionFlags flagsIn, - CVOptionFlags *flagsOut, - void *displayLinkContext) -{ - Q_UNUSED(displayLink); - Q_UNUSED(inNow); - Q_UNUSED(flagsIn); - Q_UNUSED(flagsOut); - - QCvDisplayLink *link = (QCvDisplayLink *)displayLinkContext; - - link->displayLinkEvent(inOutputTime); - return kCVReturnSuccess; -} - - -QCvDisplayLink::QCvDisplayLink(QObject *parent) - :QObject(parent), - m_pendingDisplayLinkEvent(false), - m_isActive(false) -{ - // create display link for the main display - CVDisplayLinkCreateWithCGDisplay(kCGDirectMainDisplay, &m_displayLink); - if (m_displayLink) { - // set the current display of a display link. - CVDisplayLinkSetCurrentCGDisplay(m_displayLink, kCGDirectMainDisplay); - - // set the renderer output callback function - CVDisplayLinkSetOutputCallback(m_displayLink, &CVDisplayLinkCallback, this); - } -} - -QCvDisplayLink::~QCvDisplayLink() -{ - if (m_displayLink) { - CVDisplayLinkStop(m_displayLink); - CVDisplayLinkRelease(m_displayLink); - m_displayLink = NULL; - } -} - -bool QCvDisplayLink::isValid() -{ - return m_displayLink != 0; -} - -bool QCvDisplayLink::isActive() const -{ - return m_isActive; -} - -void QCvDisplayLink::start() -{ - if (m_displayLink && !m_isActive) { - CVDisplayLinkStart(m_displayLink); - m_isActive = true; - } -} - -void QCvDisplayLink::stop() -{ - if (m_displayLink && m_isActive) { - CVDisplayLinkStop(m_displayLink); - m_isActive = false; - } -} - -void QCvDisplayLink::displayLinkEvent(const CVTimeStamp *ts) -{ - // This function is called from a - // thread != gui thread. So we post the event. - // But we need to make sure that we don't post faster - // than the event loop can eat: - m_displayLinkMutex.lock(); - bool pending = m_pendingDisplayLinkEvent; - m_pendingDisplayLinkEvent = true; - m_frameTimeStamp = *ts; - m_displayLinkMutex.unlock(); - - if (!pending) - qApp->postEvent(this, new QEvent(QEvent::User), Qt::HighEventPriority); -} - -bool QCvDisplayLink::event(QEvent *event) -{ - switch (event->type()){ - case QEvent::User: { - m_displayLinkMutex.lock(); - m_pendingDisplayLinkEvent = false; - CVTimeStamp ts = m_frameTimeStamp; - m_displayLinkMutex.unlock(); - - emit tick(ts); - - return false; - } - break; - default: - break; - } - return QObject::event(event); -} - -QT_END_NAMESPACE - -#include "moc_qcvdisplaylink.cpp" - |