diff options
Diffstat (limited to 'src/plugins/directshow/player/directshoweventloop.cpp')
-rw-r--r-- | src/plugins/directshow/player/directshoweventloop.cpp | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/src/plugins/directshow/player/directshoweventloop.cpp b/src/plugins/directshow/player/directshoweventloop.cpp deleted file mode 100644 index 69efb9f..0000000 --- a/src/plugins/directshow/player/directshoweventloop.cpp +++ /dev/null @@ -1,150 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** 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. -** -** 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. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <directshoweventloop.h> - -#include <QtCore/qcoreapplication.h> -#include <QtCore/qcoreevent.h> - -class DirectShowPostedEvent -{ -public: - DirectShowPostedEvent(QObject *receiver, QEvent *event) - : receiver(receiver) - , event(event) - , next(0) - { - } - - ~DirectShowPostedEvent() - { - delete event; - } - - QObject *receiver; - QEvent *event; - DirectShowPostedEvent *next; -}; - -DirectShowEventLoop::DirectShowEventLoop(QObject *parent) - : QObject(parent) - , m_postsHead(0) - , m_postsTail(0) - , m_eventHandle(::CreateEvent(0, 0, 0, 0)) - , m_waitHandle(::CreateEvent(0, 0, 0, 0)) -{ -} - -DirectShowEventLoop::~DirectShowEventLoop() -{ - ::CloseHandle(m_eventHandle); - ::CloseHandle(m_waitHandle); - - for (DirectShowPostedEvent *post = m_postsHead; post; post = m_postsHead) { - m_postsHead = m_postsHead->next; - - delete post; - } -} - -void DirectShowEventLoop::wait(QMutex *mutex) -{ - ::ResetEvent(m_waitHandle); - - mutex->unlock(); - - HANDLE handles[] = { m_eventHandle, m_waitHandle }; - while (::WaitForMultipleObjects(2, handles, false, INFINITE) == WAIT_OBJECT_0) - processEvents(); - - mutex->lock(); -} - -void DirectShowEventLoop::wake() -{ - ::SetEvent(m_waitHandle); -} - -void DirectShowEventLoop::postEvent(QObject *receiver, QEvent *event) -{ - QMutexLocker locker(&m_mutex); - - DirectShowPostedEvent *post = new DirectShowPostedEvent(receiver, event); - - if (m_postsTail) - m_postsTail->next = post; - else - m_postsHead = post; - - m_postsTail = post; - - QCoreApplication::postEvent(this, new QEvent(QEvent::User)); - ::SetEvent(m_eventHandle); -} - -void DirectShowEventLoop::customEvent(QEvent *event) -{ - if (event->type() == QEvent::User) { - processEvents(); - } else { - QObject::customEvent(event); - } -} - -void DirectShowEventLoop::processEvents() -{ - QMutexLocker locker(&m_mutex); - - ::ResetEvent(m_eventHandle); - - while(m_postsHead) { - DirectShowPostedEvent *post = m_postsHead; - m_postsHead = m_postsHead->next; - - if (!m_postsHead) - m_postsTail = 0; - - locker.unlock(); - QCoreApplication::sendEvent(post->receiver, post->event); - delete post; - locker.relock(); - } -} |