Phonon

medianode.h
1/* This file is part of the KDE project
2 Copyright (C) 2007 Matthias Kretz <kretz@kde.org>
3 Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). <thierry.bastian@trolltech.com>
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) version 3, or any
9 later version accepted by the membership of KDE e.V. (or its
10 successor approved by the membership of KDE e.V.), Nokia Corporation
11 (or its successors, if any) and the KDE Free Qt Foundation, which shall
12 act as a proxy defined in Section 6 of version 3 of the license.
13
14 This library is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Lesser General Public License for more details.
18
19 You should have received a copy of the GNU Lesser General Public
20 License along with this library. If not, see <http://www.gnu.org/licenses/>.
21
22*/
23
24#ifndef PHONON_MEDIANODE_H
25#define PHONON_MEDIANODE_H
26
27#include "phonondefs.h"
28#include "phonon_export.h"
29#include "path.h"
30
31
32namespace Phonon
33{
34
35 class Path;
36 class MediaNodePrivate;
37 class PHONON_EXPORT MediaNode
38 {
39 friend class Path;
40 friend class PathPrivate;
41 friend PHONON_EXPORT Path createPath(MediaNode *source, MediaNode *sink);
42 P_DECLARE_PRIVATE(MediaNode)
43 public:
44 virtual ~MediaNode();
45 /**
46 * Tells whether the backend provides an implementation of this
47 * class.
48 *
49 * \return \c true if backend provides an implementation
50 * \return \c false if the object is not implemented by the backend
51 */
52 bool isValid() const;
53
54 QList<Path> inputPaths() const;
55 QList<Path> outputPaths() const;
56
57 protected:
58 MediaNode(MediaNodePrivate &dd);
59 MediaNodePrivate *const k_ptr;
60 };
61
62} // namespace Phonon
63
64
65#endif // PHONON_MEDIANODE_H
bool isValid(QStringView ifopt)
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