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Diffstat (limited to 'src/qtmultimediaquicktools/qdeclarativevideooutput_window.cpp')
| -rw-r--r-- | src/qtmultimediaquicktools/qdeclarativevideooutput_window.cpp | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/qtmultimediaquicktools/qdeclarativevideooutput_window.cpp b/src/qtmultimediaquicktools/qdeclarativevideooutput_window.cpp new file mode 100644 index 000000000..2da63c107 --- /dev/null +++ b/src/qtmultimediaquicktools/qdeclarativevideooutput_window.cpp @@ -0,0 +1,153 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Research In Motion +** 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. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qdeclarativevideooutput_window_p.h" +#include "qdeclarativevideooutput_p.h" +#include <QtQuick/qquickwindow.h> +#include <QtMultimedia/qmediaservice.h> +#include <QtMultimedia/qvideowindowcontrol.h> + +QT_BEGIN_NAMESPACE + +QDeclarativeVideoWindowBackend::QDeclarativeVideoWindowBackend(QDeclarativeVideoOutput *parent) + : QDeclarativeVideoBackend(parent), + m_visible(true) +{ +} + +QDeclarativeVideoWindowBackend::~QDeclarativeVideoWindowBackend() +{ + releaseSource(); + releaseControl(); +} + +bool QDeclarativeVideoWindowBackend::init(QMediaService *service) +{ + if (QMediaControl *control = service->requestControl(QVideoWindowControl_iid)) { + if ((m_videoWindowControl = qobject_cast<QVideoWindowControl *>(control))) { + if (q->window()) + m_videoWindowControl->setWinId(q->window()->winId()); + m_service = service; + QObject::connect(m_videoWindowControl.data(), SIGNAL(nativeSizeChanged()), + q, SLOT(_q_updateNativeSize())); + return true; + } + } + return false; +} + +void QDeclarativeVideoWindowBackend::itemChange(QQuickItem::ItemChange change, + const QQuickItem::ItemChangeData &changeData) +{ + if (!m_videoWindowControl) + return; + + switch (change) { + case QQuickItem::ItemVisibleHasChanged: + m_visible = changeData.boolValue; + updateGeometry(); + break; + case QQuickItem::ItemSceneChange: + if (changeData.window) + m_videoWindowControl->setWinId(changeData.window->winId()); + else + m_videoWindowControl->setWinId(0); + break; + default: break; + } +} + +void QDeclarativeVideoWindowBackend::releaseSource() +{ +} + +void QDeclarativeVideoWindowBackend::releaseControl() +{ + if (m_videoWindowControl) { + m_videoWindowControl->setWinId(0); + if (m_service) + m_service->releaseControl(m_videoWindowControl); + m_videoWindowControl = 0; + } +} + +QSize QDeclarativeVideoWindowBackend::nativeSize() const +{ + return m_videoWindowControl->nativeSize(); +} + +void QDeclarativeVideoWindowBackend::updateGeometry() +{ + switch (q->fillMode()) { + case QDeclarativeVideoOutput::PreserveAspectFit: + m_videoWindowControl->setAspectRatioMode(Qt::KeepAspectRatio); break; + case QDeclarativeVideoOutput::PreserveAspectCrop: + m_videoWindowControl->setAspectRatioMode(Qt::KeepAspectRatioByExpanding); break; + case QDeclarativeVideoOutput::Stretch: + m_videoWindowControl->setAspectRatioMode(Qt::IgnoreAspectRatio); break; + }; + + const QRectF canvasRect = q->mapRectToScene(QRectF(0, 0, q->width(), q->height())); + m_videoWindowControl->setDisplayRect(m_visible ? canvasRect.toAlignedRect() : QRect()); +} + +QSGNode *QDeclarativeVideoWindowBackend::updatePaintNode(QSGNode *oldNode, + QQuickItem::UpdatePaintNodeData *data) +{ + Q_UNUSED(oldNode); + Q_UNUSED(data); + m_videoWindowControl->repaint(); + return 0; +} + +QAbstractVideoSurface *QDeclarativeVideoWindowBackend::videoSurface() const +{ + return 0; +} + +QRectF QDeclarativeVideoWindowBackend::adjustedViewport() const +{ + // No viewport supported by QVideoWindowControl, so make the viewport the same size + // as the source + return QRectF(QPointF(0, 0), nativeSize()); +} + +QT_END_NAMESPACE |