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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <dshow.h>
#include <QtCore/qstring.h>
#include <QtCore/qdebug.h>
#include <QtCore/QFile>
#include "dsserviceplugin.h"
#ifdef QMEDIA_DIRECTSHOW_CAMERA
#include "dsvideodevicecontrol.h"
#include <dshow.h>
#include "dscameraservice.h"
#endif
#ifdef QMEDIA_DIRECTSHOW_PLAYER
#include "directshowplayerservice.h"
#endif
#include <qmediaserviceproviderplugin.h>
#ifdef QMEDIA_DIRECTSHOW_CAMERA
extern const CLSID CLSID_VideoInputDeviceCategory;
#ifndef _STRSAFE_H_INCLUDED_
#include <tchar.h>
#endif
#include <dshow.h>
#include <objbase.h>
#include <initguid.h>
#ifdef Q_CC_MSVC
# pragma comment(lib, "strmiids.lib")
# pragma comment(lib, "ole32.lib")
#endif // Q_CC_MSVC
#include <windows.h>
#include <ocidl.h>
#endif
QT_USE_NAMESPACE
static int g_refCount = 0;
void addRefCount()
{
if (++g_refCount == 1)
CoInitialize(NULL);
}
void releaseRefCount()
{
if (--g_refCount == 0)
CoUninitialize();
}
QMediaService* DSServicePlugin::create(QString const& key)
{
#ifdef QMEDIA_DIRECTSHOW_CAMERA
if (key == QLatin1String(Q_MEDIASERVICE_CAMERA)) {
addRefCount();
return new DSCameraService;
}
#endif
#ifdef QMEDIA_DIRECTSHOW_PLAYER
if (key == QLatin1String(Q_MEDIASERVICE_MEDIAPLAYER)) {
addRefCount();
return new DirectShowPlayerService;
}
#endif
return 0;
}
void DSServicePlugin::release(QMediaService *service)
{
delete service;
releaseRefCount();
}
QMediaServiceProviderHint::Features DSServicePlugin::supportedFeatures(
const QByteArray &service) const
{
if (service == Q_MEDIASERVICE_MEDIAPLAYER)
return QMediaServiceProviderHint::StreamPlayback | QMediaServiceProviderHint::VideoSurface;
else
return QMediaServiceProviderHint::Features();
}
QByteArray DSServicePlugin::defaultDevice(const QByteArray &service) const
{
#ifdef QMEDIA_DIRECTSHOW_CAMERA
if (service == Q_MEDIASERVICE_CAMERA) {
const QList<DSVideoDeviceInfo> &devs = DSVideoDeviceControl::availableDevices();
if (!devs.isEmpty())
return devs.first().first;
}
#endif
return QByteArray();
}
QList<QByteArray> DSServicePlugin::devices(const QByteArray &service) const
{
QList<QByteArray> result;
#ifdef QMEDIA_DIRECTSHOW_CAMERA
if (service == Q_MEDIASERVICE_CAMERA) {
const QList<DSVideoDeviceInfo> &devs = DSVideoDeviceControl::availableDevices();
Q_FOREACH (const DSVideoDeviceInfo &info, devs)
result.append(info.first);
}
#endif
return result;
}
QString DSServicePlugin::deviceDescription(const QByteArray &service, const QByteArray &device)
{
#ifdef QMEDIA_DIRECTSHOW_CAMERA
if (service == Q_MEDIASERVICE_CAMERA) {
const QList<DSVideoDeviceInfo> &devs = DSVideoDeviceControl::availableDevices();
Q_FOREACH (const DSVideoDeviceInfo &info, devs) {
if (info.first == device)
return info.second;
}
}
#endif
return QString();
}
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