1 | /* This file is part of the KDE project |
2 | Copyright (C) 2007 Matthias Kretz <kretz@kde.org> |
3 | |
4 | This library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) version 3, or any |
8 | later version accepted by the membership of KDE e.V. (or its |
9 | successor approved by the membership of KDE e.V.), Nokia Corporation |
10 | (or its successors, if any) and the KDE Free Qt Foundation, which shall |
11 | act as a proxy defined in Section 6 of version 3 of the license. |
12 | |
13 | This library is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
16 | Lesser General Public License for more details. |
17 | |
18 | You should have received a copy of the GNU Lesser General Public |
19 | License along with this library. If not, see <http://www.gnu.org/licenses/>. |
20 | |
21 | */ |
22 | |
23 | #include "streaminterface.h" |
24 | #include "streaminterface_p.h" |
25 | #include "abstractmediastream.h" |
26 | #include "abstractmediastream_p.h" |
27 | #include "mediasource_p.h" |
28 | |
29 | #ifndef QT_NO_PHONON_ABSTRACTMEDIASTREAM |
30 | |
31 | namespace Phonon |
32 | { |
33 | |
34 | StreamInterface::StreamInterface() |
35 | : d(new StreamInterfacePrivate) |
36 | { |
37 | d->q = this; |
38 | } |
39 | |
40 | StreamInterface::~StreamInterface() |
41 | { |
42 | if (d->connected) { |
43 | AbstractMediaStreamPrivate *dd = d->mediaSource.stream()->d_func(); |
44 | dd->setStreamInterface(nullptr); |
45 | } |
46 | delete d; |
47 | } |
48 | |
49 | void StreamInterface::connectToSource(const MediaSource &mediaSource) |
50 | { |
51 | Q_ASSERT(!d->connected); |
52 | d->connected = true; |
53 | d->mediaSource = mediaSource; |
54 | Q_ASSERT(d->mediaSource.type() == MediaSource::Stream); |
55 | Q_ASSERT(d->mediaSource.stream()); |
56 | AbstractMediaStreamPrivate *dd = d->mediaSource.stream()->d_func(); |
57 | dd->setStreamInterface(this); |
58 | // Operations above do not access the stream itself, so they do not need to |
59 | // use invokeMethod. |
60 | reset(); |
61 | } |
62 | |
63 | // Does not need to use invokeMethod as we are are not accessing the stream. |
64 | void StreamInterfacePrivate::disconnectMediaStream() |
65 | { |
66 | Q_ASSERT(connected); |
67 | connected = false; |
68 | |
69 | // if mediaSource has autoDelete set then it will delete the AbstractMediaStream again who's |
70 | // destructor is calling us right now |
71 | mediaSource.setAutoDelete(false); |
72 | |
73 | mediaSource = MediaSource(); |
74 | q->endOfData(); |
75 | q->setStreamSeekable(false); |
76 | } |
77 | |
78 | void StreamInterface::needData() |
79 | { |
80 | if (d->mediaSource.type() == MediaSource::Stream) { |
81 | QMetaObject::invokeMethod(obj: d->mediaSource.stream(), member: "needData" , c: Qt::QueuedConnection); |
82 | } |
83 | } |
84 | |
85 | void StreamInterface::enoughData() |
86 | { |
87 | Q_ASSERT(d->connected); |
88 | if (d->mediaSource.type() == MediaSource::Stream) { |
89 | QMetaObject::invokeMethod(obj: d->mediaSource.stream(), member: "enoughData" , c: Qt::QueuedConnection); |
90 | } |
91 | } |
92 | |
93 | void StreamInterface::seekStream(qint64 offset) |
94 | { |
95 | Q_ASSERT(d->connected); |
96 | if (d->mediaSource.type() == MediaSource::Stream) { |
97 | QMetaObject::invokeMethod(obj: d->mediaSource.stream(), member: "seekStream" , c: Qt::QueuedConnection, Q_ARG(qint64, offset)); |
98 | } |
99 | } |
100 | |
101 | void StreamInterface::reset() |
102 | { |
103 | Q_ASSERT(d->connected); |
104 | if (d->mediaSource.type() == MediaSource::Stream) { |
105 | QMetaObject::invokeMethod(obj: d->mediaSource.stream(), member: "reset" , c: Qt::QueuedConnection); |
106 | } |
107 | } |
108 | |
109 | } // namespace Phonon |
110 | |
111 | #endif //QT_NO_PHONON_ABSTRACTMEDIASTREAM |
112 | |
113 | |
114 | |