diff options
Diffstat (limited to 'src/plugins/qnx/mediaplayer/mmrendererplayervideorenderercontrol.cpp')
-rw-r--r-- | src/plugins/qnx/mediaplayer/mmrendererplayervideorenderercontrol.cpp | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/src/plugins/qnx/mediaplayer/mmrendererplayervideorenderercontrol.cpp b/src/plugins/qnx/mediaplayer/mmrendererplayervideorenderercontrol.cpp new file mode 100644 index 000000000..0abdfec49 --- /dev/null +++ b/src/plugins/qnx/mediaplayer/mmrendererplayervideorenderercontrol.cpp @@ -0,0 +1,158 @@ +/**************************************************************************** +** +** Copyright (C) 2013 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 "mmrendererplayervideorenderercontrol.h" + +#include "windowgrabber.h" + +#include <QCoreApplication> +#include <QDebug> +#include <QVideoSurfaceFormat> + +#include <mm/renderer.h> + +QT_BEGIN_NAMESPACE + +static int winIdCounter = 0; + +MmRendererPlayerVideoRendererControl::MmRendererPlayerVideoRendererControl(QObject *parent) + : QVideoRendererControl(parent) + , m_windowGrabber(new WindowGrabber(this)) + , m_context(0) + , m_videoId(-1) +{ + connect(m_windowGrabber, SIGNAL(frameGrabbed(QImage)), SLOT(frameGrabbed(QImage))); +} + +MmRendererPlayerVideoRendererControl::~MmRendererPlayerVideoRendererControl() +{ + detachDisplay(); +} + +QAbstractVideoSurface *MmRendererPlayerVideoRendererControl::surface() const +{ + return m_surface; +} + +void MmRendererPlayerVideoRendererControl::setSurface(QAbstractVideoSurface *surface) +{ + m_surface = QPointer<QAbstractVideoSurface>(surface); +} + +void MmRendererPlayerVideoRendererControl::attachDisplay(mmr_context_t *context) +{ + if (m_videoId != -1) { + qWarning() << "MmRendererPlayerVideoRendererControl: Video output already attached!"; + return; + } + + if (!context) { + qWarning() << "MmRendererPlayerVideoRendererControl: No media player context!"; + return; + } + + const QByteArray windowGroupId = m_windowGrabber->windowGroupId(); + if (windowGroupId.isEmpty()) { + qWarning() << "MmRendererPlayerVideoRendererControl: Unable to find window group"; + return; + } + + const QString windowName = QStringLiteral("MmRendererPlayerVideoRendererControl_%1_%2") + .arg(winIdCounter++) + .arg(QCoreApplication::applicationPid()); + + m_windowGrabber->setWindowId(windowName.toLatin1()); + + // Start with an invisible window, because we just want to grab the frames from it. + const QString videoDeviceUrl = QStringLiteral("screen:?winid=%1&wingrp=%2&initflags=invisible&nodstviewport=1") + .arg(windowName) + .arg(QString::fromLatin1(windowGroupId)); + + m_videoId = mmr_output_attach(context, videoDeviceUrl.toLatin1(), "video"); + if (m_videoId == -1) { + qWarning() << "mmr_output_attach() for video failed"; + return; + } + + m_context = context; +} + +void MmRendererPlayerVideoRendererControl::detachDisplay() +{ + m_windowGrabber->stop(); + + if (m_surface) + m_surface->stop(); + + if (m_context && m_videoId != -1) + mmr_output_detach(m_context, m_videoId); + + m_context = 0; + m_videoId = -1; +} + +void MmRendererPlayerVideoRendererControl::pause() +{ + m_windowGrabber->pause(); +} + +void MmRendererPlayerVideoRendererControl::resume() +{ + m_windowGrabber->resume(); +} + +void MmRendererPlayerVideoRendererControl::frameGrabbed(const QImage &frame) +{ + if (m_surface) { + if (!m_surface->isActive()) { + m_surface->start(QVideoSurfaceFormat(frame.size(), QVideoFrame::Format_ARGB32)); + } else { + if (m_surface->surfaceFormat().frameSize() != frame.size()) { + m_surface->stop(); + m_surface->start(QVideoSurfaceFormat(frame.size(), QVideoFrame::Format_ARGB32)); + } + } + + m_surface->present(frame.copy()); + } +} + +QT_END_NAMESPACE |