Add MediaPlayer support to AVFoundation plugin

This plugin would be used on Mac 10.7+ where without the QuickTime C API
our QT7 media player performance was crippled.

Change-Id: Iaadb1990a8f63393c4cd02d096624e0fed42b40f
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Jason Barron <jason.barron@digia.com>
Reviewed-by: Andy Nichols <andy.nichols@digia.com>

1 files changed, 117 insertions, 0 deletions

diff --git a/src/plugins/avfoundation/mediaplayer/avfmediaplayerservice.mm b/src/plugins/avfoundation/mediaplayer/avfmediaplayerservice.mm
new file mode 100644
index 000000000..2ea84758b
--- /dev/null
+++ b/src/plugins/avfoundation/mediaplayer/avfmediaplayerservice.mm
@@ -0,0 +1,117 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "avfmediaplayerservice.h"
+#include "avfmediaplayersession.h"
+#include "avfmediaplayercontrol.h"
+#include "avfmediaplayermetadatacontrol.h"
+#include "avfvideooutput.h"
+#include "avfvideorenderercontrol.h"
+
+#ifndef QT_NO_WIDGETS
+#include "avfvideowidgetcontrol.h"
+#endif
+
+QT_USE_NAMESPACE
+
+AVFMediaPlayerService::AVFMediaPlayerService(QObject *parent)
+    : QMediaService(parent)
+    , m_videoOutput(0)
+{
+    m_session = new AVFMediaPlayerSession(this);
+    m_control = new AVFMediaPlayerControl(this);
+    m_control->setSession(m_session);
+    m_playerMetaDataControl = new AVFMediaPlayerMetaDataControl(m_session, this);
+
+    connect(m_control, SIGNAL(mediaChanged(QMediaContent)), m_playerMetaDataControl, SLOT(updateTags()));
+}
+
+AVFMediaPlayerService::~AVFMediaPlayerService()
+{
+#ifdef QT_DEBUG_AVF
+    qDebug() << Q_FUNC_INFO;
+#endif
+    delete m_session;
+}
+
+QMediaControl *AVFMediaPlayerService::requestControl(const char *name)
+{
+#ifdef QT_DEBUG_AVF
+    qDebug() << Q_FUNC_INFO << name;
+#endif
+
+    if (qstrcmp(name, QMediaPlayerControl_iid) == 0)
+        return m_control;
+
+    if (qstrcmp(name, QMetaDataReaderControl_iid) == 0)
+        return m_playerMetaDataControl;
+
+    if (!m_videoOutput) {
+        if (qstrcmp(name, QVideoRendererControl_iid) == 0)
+            m_videoOutput = new AVFVideoRendererControl(this);
+#ifndef QT_NO_WIDGETS
+        if (qstrcmp(name, QVideoWidgetControl_iid) == 0)
+            m_videoOutput = new AVFVideoWidgetControl(this);
+#endif
+    }
+    if (m_videoOutput) {
+        m_session->setVideoOutput(qobject_cast<AVFVideoOutput*>(m_videoOutput));
+        return m_videoOutput;
+    }
+
+    return 0;
+}
+
+void AVFMediaPlayerService::releaseControl(QMediaControl *control)
+{
+#ifdef QT_DEBUG_AVF
+    qDebug() << Q_FUNC_INFO << control;
+#endif
+
+    if (m_videoOutput == control) {
+        AVFVideoRendererControl *renderControl = qobject_cast<AVFVideoRendererControl*>(m_videoOutput);
+        if (renderControl)
+            renderControl->setSurface(0);
+        m_videoOutput = 0;
+        m_session->setVideoOutput(0);
+        delete control;
+    }
+}