Added resource policy support though internal plugin system

Change-Id: I374be17d49b6a5eed0b1ed94d0b9ca5f9a2caa9b
Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>
This commit is contained in:
Ling Hu
2012-03-21 14:25:23 +10:00
committed by Qt by Nokia
parent 655408bced
commit 138242fb2d
11 changed files with 420 additions and 223 deletions

View File

@@ -19,6 +19,7 @@ load(qt_module_config)
HEADERS += qtmultimediaversion.h
INCLUDEPATH *= .
PRIVATE_HEADERS += \
@@ -27,6 +28,9 @@ PRIVATE_HEADERS += \
qmediapluginloader_p.h \
qmediaservice_p.h \
qmediaserviceprovider_p.h \
qmediaresourcepolicyplugin_p.h \
qmediaresourcepolicy_p.h \
qmediaresourceset_p.h
PUBLIC_HEADERS += \
qmediabindableinterface.h \
@@ -47,7 +51,10 @@ SOURCES += \
qmediaservice.cpp \
qmediaserviceprovider.cpp \
qmediatimerange.cpp \
qtmedianamespace.cpp
qtmedianamespace.cpp \
qmediaresourcepolicyplugin_p.cpp \
qmediaresourcepolicy_p.cpp \
qmediaresourceset_p.cpp
include(audio/audio.pri)
include(camera/camera.pri)

View File

@@ -0,0 +1,114 @@
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** 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 "qmediaresourcepolicy_p.h"
#include "qmediapluginloader_p.h"
#include "qmediaresourcepolicyplugin_p.h"
#include "qmediaresourceset_p.h"
namespace {
class QDummyMediaPlayerResourceSet : public QMediaPlayerResourceSetInterface
{
public:
QDummyMediaPlayerResourceSet(QObject *parent)
: QMediaPlayerResourceSetInterface(parent)
{
}
bool isVideoEnabled() const
{
return true;
}
bool isGranted() const
{
return true;
}
bool isAvailable() const
{
return true;
}
void acquire() {}
void release() {}
void setVideoEnabled(bool) {}
};
}
QT_BEGIN_NAMESPACE
Q_GLOBAL_STATIC_WITH_ARGS(QMediaPluginLoader, resourcePolicyLoader,
(QMediaResourceSetFactoryInterface_iid, QLatin1String("resourcepolicy"), Qt::CaseInsensitive))
Q_GLOBAL_STATIC(QObject, dummyRoot)
QObject* QMediaResourcePolicy::createResourceSet(const QString& interfaceId)
{
QMediaResourceSetFactoryInterface *factory =
qobject_cast<QMediaResourceSetFactoryInterface*>(resourcePolicyLoader()
->instance(QLatin1String("default")));
if (!factory)
return 0;
QObject* obj = factory->create(interfaceId);
if (!obj) {
if (interfaceId == QLatin1String(QMediaPlayerResourceSetInterface_iid)) {
obj = new QDummyMediaPlayerResourceSet(dummyRoot());
}
}
Q_ASSERT(obj);
return obj;
}
void QMediaResourcePolicy::destroyResourceSet(QObject* resourceSet)
{
if (resourceSet->parent() == dummyRoot()) {
delete resourceSet;
return;
}
QMediaResourceSetFactoryInterface *factory =
qobject_cast<QMediaResourceSetFactoryInterface*>(resourcePolicyLoader()
->instance(QLatin1String("default")));
if (!factory)
return;
return factory->destroy(resourceSet);
}
QT_END_NAMESPACE

View File

@@ -0,0 +1,74 @@
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** 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.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMEDIARESOURCEPOLICY_H
#define QMEDIARESOURCEPOLICY_H
#include <QObject>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Multimedia)
class Q_MULTIMEDIA_EXPORT QMediaResourcePolicy
{
public:
//a dummy object will always be provided if the interfaceId is not supported
template<typename T>
static T* createResourceSet(const QString& interfaceId);
static void destroyResourceSet(QObject* resourceSet);
private:
static QObject* createResourceSet(const QString& interfaceId);
};
template<typename T>
T* QMediaResourcePolicy::createResourceSet(const QString& interfaceId)
{
return qobject_cast<T*>(QMediaResourcePolicy::createResourceSet(interfaceId));
}
QT_END_NAMESPACE
QT_END_HEADER
#endif // QMEDIARESOURCEPOLICY_H

View File

@@ -0,0 +1,55 @@
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** 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 "qmediaresourcepolicyplugin_p.h"
QT_BEGIN_NAMESPACE
QMediaResourcePolicyPlugin::QMediaResourcePolicyPlugin(QObject *parent)
: QObject(parent)
{
}
QMediaResourcePolicyPlugin::~QMediaResourcePolicyPlugin()
{
}
QT_END_NAMESPACE

View File

@@ -0,0 +1,78 @@
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** 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.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QRESOURCEPOLICYPLUGIN_P_H
#define QRESOURCEPOLICYPLUGIN_P_H
#include <QObject>
#include <qtmultimediadefs.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Multimedia)
struct Q_MULTIMEDIA_EXPORT QMediaResourceSetFactoryInterface
{
virtual QObject* create(const QString& interfaceId) = 0;
virtual void destroy(QObject *resourceSet) = 0;
};
#define QMediaResourceSetFactoryInterface_iid \
"org.qt-project.qt.mediaresourcesetfactory/5.0"
Q_DECLARE_INTERFACE(QMediaResourceSetFactoryInterface, QMediaResourceSetFactoryInterface_iid)
class Q_MULTIMEDIA_EXPORT QMediaResourcePolicyPlugin : public QObject, public QMediaResourceSetFactoryInterface
{
Q_OBJECT
Q_INTERFACES(QMediaResourceSetFactoryInterface)
public:
QMediaResourcePolicyPlugin(QObject *parent = 0);
~QMediaResourcePolicyPlugin();
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QRESOURCEPOLICYPLUGIN_P_H

View File

@@ -0,0 +1,51 @@
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** 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 "qmediaresourceset_p.h"
QT_BEGIN_NAMESPACE
QMediaPlayerResourceSetInterface::QMediaPlayerResourceSetInterface(QObject *parent)
: QObject(parent)
{
}
QT_END_NAMESPACE

View File

@@ -39,52 +39,45 @@
**
****************************************************************************/
#ifndef PLAYERRESOURCEPOLICY_H
#define PLAYERRESOURCEPOLICY_H
#ifndef QMEDIARESOURCESET_P_H
#define QMEDIARESOURCESET_P_H
#include <QObject>
#include <qtmultimediadefs.h>
#include <QtCore/qobject.h>
QT_BEGIN_HEADER
namespace ResourcePolicy {
class ResourceSet;
};
QT_BEGIN_NAMESPACE
class PlayerResourcePolicy : public QObject
QT_MODULE(Multimedia)
#define QMediaPlayerResourceSetInterface_iid \
"org.qt-project.qt.mediaplayerresourceset/5.0"
class Q_MULTIMEDIA_EXPORT QMediaPlayerResourceSetInterface : public QObject
{
Q_OBJECT
public:
PlayerResourcePolicy(QObject *parent = 0);
~PlayerResourcePolicy();
virtual bool isVideoEnabled() const = 0;
virtual bool isGranted() const = 0;
virtual bool isAvailable() const = 0;
bool isVideoEnabled() const;
bool isGranted() const;
bool isRequested() const;
virtual void acquire() = 0;
virtual void release() = 0;
virtual void setVideoEnabled(bool enabled) = 0;
Q_SIGNALS:
void resourcesDenied();
void resourcesGranted();
void resourcesLost();
void resourcesDenied();
void resourcesReleased();
void availabilityChanged(bool available);
public Q_SLOTS:
void acquire();
void release();
void setVideoEnabled(bool enabled);
private Q_SLOTS:
void handleResourcesGranted();
void handleResourcesDenied();
void handleResourcesLost();
private:
enum ResourceStatus {
Initial = 0,
RequestedResource,
GrantedResource
protected:
QMediaPlayerResourceSetInterface(QObject *parent = 0);
};
bool m_videoEnabled;
ResourcePolicy::ResourceSet *m_resourceSet;
ResourceStatus m_status;
};
QT_END_NAMESPACE
#endif
QT_END_HEADER
#endif // QMEDIARESOURCESET_P_H

View File

@@ -7,15 +7,13 @@ HEADERS += \
$$PWD/qgstreamerplayerservice.h \
$$PWD/qgstreamerplayersession.h \
$$PWD/qgstreamerstreamscontrol.h \
$$PWD/qgstreamermetadataprovider.h \
$$PWD/playerresourcepolicy.h
$$PWD/qgstreamermetadataprovider.h
SOURCES += \
$$PWD/qgstreamerplayercontrol.cpp \
$$PWD/qgstreamerplayerservice.cpp \
$$PWD/qgstreamerplayersession.cpp \
$$PWD/qgstreamerstreamscontrol.cpp \
$$PWD/qgstreamermetadataprovider.cpp \
$$PWD/playerresourcepolicy.cpp
$$PWD/qgstreamermetadataprovider.cpp

View File

@@ -1,176 +0,0 @@
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** 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 "playerresourcepolicy.h"
//#define DEBUG_RESOURCE_POLICY
#include <QtCore/qdebug.h>
#ifdef HAVE_RESOURCE_POLICY
#include <policy/resource.h>
#include <policy/resources.h>
#include <policy/resource-set.h>
#endif
PlayerResourcePolicy::PlayerResourcePolicy(QObject *parent) :
QObject(parent),
m_videoEnabled(true),
m_resourceSet(0),
m_status(PlayerResourcePolicy::Initial)
{
#ifdef HAVE_RESOURCE_POLICY
m_resourceSet = new ResourcePolicy::ResourceSet("player", this);
m_resourceSet->setAlwaysReply();
ResourcePolicy::AudioResource *audioResource = new ResourcePolicy::AudioResource("player");
audioResource->setProcessID(QCoreApplication::applicationPid());
audioResource->setStreamTag("media.name", "*");
m_resourceSet->addResourceObject(audioResource);
m_resourceSet->addResource(ResourcePolicy::VideoPlaybackType);
m_resourceSet->update();
connect(m_resourceSet, SIGNAL(resourcesGranted(const QList<ResourcePolicy::ResourceType>)),
this, SLOT(handleResourcesGranted()));
connect(m_resourceSet, SIGNAL(resourcesDenied()),
this, SLOT(handleResourcesDenied()));
connect(m_resourceSet, SIGNAL(lostResources()),
this, SLOT(handleResourcesLost()));
connect(m_resourceSet, SIGNAL(resourcesReleasedByManager()),
this, SLOT(handleResourcesLost()));
#endif
}
PlayerResourcePolicy::~PlayerResourcePolicy()
{
}
bool PlayerResourcePolicy::isVideoEnabled() const
{
return m_videoEnabled;
}
void PlayerResourcePolicy::setVideoEnabled(bool enabled)
{
if (m_videoEnabled != enabled) {
m_videoEnabled = enabled;
#ifdef HAVE_RESOURCE_POLICY
if (enabled)
m_resourceSet->addResource(ResourcePolicy::VideoPlaybackType);
else
m_resourceSet->deleteResource(ResourcePolicy::VideoPlaybackType);
m_resourceSet->update();
#endif
}
}
void PlayerResourcePolicy::acquire()
{
#ifdef HAVE_RESOURCE_POLICY
#ifdef DEBUG_RESOURCE_POLICY
qDebug() << Q_FUNC_INFO << "Acquire resource";
#endif
m_status = RequestedResource;
m_resourceSet->acquire();
#else
m_status = GrantedResource;
#endif
}
void PlayerResourcePolicy::release()
{
#ifdef HAVE_RESOURCE_POLICY
#ifdef DEBUG_RESOURCE_POLICY
qDebug() << Q_FUNC_INFO << "Release resource";
#endif
m_resourceSet->release();
#endif
m_status = Initial;
}
bool PlayerResourcePolicy::isGranted() const
{
return m_status == GrantedResource;
}
bool PlayerResourcePolicy::isRequested() const
{
return m_status == RequestedResource;
}
void PlayerResourcePolicy::handleResourcesGranted()
{
m_status = GrantedResource;
#ifdef DEBUG_RESOURCE_POLICY
qDebug() << Q_FUNC_INFO << "Resource granted";
#endif
emit resourcesGranted();
}
void PlayerResourcePolicy::handleResourcesDenied()
{
m_status = Initial;
#ifdef DEBUG_RESOURCE_POLICY
qDebug() << Q_FUNC_INFO << "Resource denied";
#endif
emit resourcesDenied();
}
void PlayerResourcePolicy::handleResourcesLost()
{
#ifdef DEBUG_RESOURCE_POLICY
qDebug() << Q_FUNC_INFO << "Resource lost";
#endif
if (m_status != Initial) {
m_status = Initial;
emit resourcesLost();
}
#ifdef HAVE_RESOURCE_POLICY
m_resourceSet->release();
#endif
}

View File

@@ -41,10 +41,10 @@
#include "qgstreamerplayercontrol.h"
#include "qgstreamerplayersession.h"
#include "playerresourcepolicy.h"
#include <private/qmediaplaylistnavigator_p.h>
#include <private/qmediaresourcepolicy_p.h>
#include <private/qmediaresourceset_p.h>
#include <QtCore/qdir.h>
#include <QtCore/qsocketnotifier.h>
@@ -78,7 +78,8 @@ QGstreamerPlayerControl::QGstreamerPlayerControl(QGstreamerPlayerSession *sessio
m_fifoFd[0] = -1;
m_fifoFd[1] = -1;
m_resources = new PlayerResourcePolicy(this);
m_resources = QMediaResourcePolicy::createResourceSet<QMediaPlayerResourceSetInterface>(QMediaPlayerResourceSetInterface_iid);
Q_ASSERT(m_resources);
connect(m_session, SIGNAL(positionChanged(qint64)),
this, SLOT(updatePosition(qint64)));
@@ -116,6 +117,8 @@ QGstreamerPlayerControl::QGstreamerPlayerControl(QGstreamerPlayerSession *sessio
QGstreamerPlayerControl::~QGstreamerPlayerControl()
{
QMediaResourcePolicy::destroyResourceSet(m_resources);
if (m_fifoFd[0] >= 0) {
::close(m_fifoFd[0]);
::close(m_fifoFd[1]);
@@ -243,7 +246,7 @@ void QGstreamerPlayerControl::playOrPause(QMediaPlayer::State newState)
m_seekToStartPending = true;
}
if (!m_resources->isGranted() && !m_resources->isRequested())
if (!m_resources->isGranted())
m_resources->acquire();
if (m_resources->isGranted()) {
@@ -350,7 +353,7 @@ void QGstreamerPlayerControl::setMedia(const QMediaContent &content, QIODevice *
m_session->showPrerollFrames(false); // do not show prerolled frames until pause() or play() explicitly called
if (!content.isNull() || stream) {
if (!m_resources->isRequested() && !m_resources->isGranted())
if (!m_resources->isGranted())
m_resources->acquire();
if (!m_resources->isGranted()) {

View File

@@ -50,7 +50,7 @@
#include <limits.h>
class PlayerResourcePolicy;
class QMediaPlayerResourceSetInterface;
QT_BEGIN_NAMESPACE
class QMediaPlaylist;
@@ -151,7 +151,7 @@ private:
int m_bufferOffset;
char m_buffer[PIPE_BUF];
PlayerResourcePolicy *m_resources;
QMediaPlayerResourceSetInterface *m_resources;
};
QT_END_NAMESPACE