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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
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**
**
****************************************************************************/
#include <QtCore/qstring.h>
#include <QtCore/qdebug.h>
#include <QtCore/QFile>
#include "wmfserviceplugin.h"
#include "mfplayerservice.h"
#include "mfdecoderservice.h"
#include <mfapi.h>
namespace
{
static int g_refCount = 0;
void addRefCount()
{
g_refCount++;
if (g_refCount == 1) {
CoInitialize(NULL);
MFStartup(MF_VERSION);
}
}
void releaseRefCount()
{
g_refCount--;
if (g_refCount == 0) {
MFShutdown();
CoUninitialize();
}
}
}
QMediaService* WMFServicePlugin::create(QString const& key)
{
if (key == QLatin1String(Q_MEDIASERVICE_MEDIAPLAYER)) {
addRefCount();
return new MFPlayerService;
}
if (key == QLatin1String(Q_MEDIASERVICE_AUDIODECODER)) {
addRefCount();
return new MFAudioDecoderService;
}
//qDebug() << "unsupported key:" << key;
return 0;
}
void WMFServicePlugin::release(QMediaService *service)
{
delete service;
releaseRefCount();
}
QMediaServiceProviderHint::Features WMFServicePlugin::supportedFeatures(
const QByteArray &service) const
{
if (service == Q_MEDIASERVICE_MEDIAPLAYER)
return QMediaServiceProviderHint::StreamPlayback;
else
return QMediaServiceProviderHint::Features();
}
QByteArray WMFServicePlugin::defaultDevice(const QByteArray &) const
{
return QByteArray();
}
QList<QByteArray> WMFServicePlugin::devices(const QByteArray &) const
{
return QList<QByteArray>();
}
QString WMFServicePlugin::deviceDescription(const QByteArray &, const QByteArray &)
{
return QString();
}
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