blob: b6ac7516e795a80fba1c7aaa07fb0141517c6fcc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/****************************************************************************
**
** 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 QGSTREAMERPLAYERSESSION_H
#define QGSTREAMERPLAYERSESSION_H
#include <QObject>
#include "qgstreameraudiodecodercontrol.h"
#include <private/qgstreamerbushelper_p.h>
#include <private/qaudiodecoder_p.h>
#if defined(HAVE_GST_APPSRC)
#include "qgstappsrc.h"
#endif
#include <gst/gst.h>
QT_BEGIN_NAMESPACE
class QGstreamerBusHelper;
class QGstreamerMessage;
class QGstreamerAudioDecoderSession : public QObject,
public QGstreamerBusMessageFilter
{
Q_OBJECT
Q_INTERFACES(QGstreamerBusMessageFilter)
public:
QGstreamerAudioDecoderSession(QObject *parent);
virtual ~QGstreamerAudioDecoderSession();
QGstreamerBusHelper *bus() const { return m_busHelper; }
QAudioDecoder::State state() const { return m_state; }
QAudioDecoder::State pendingState() const { return m_pendingState; }
bool processBusMessage(const QGstreamerMessage &message);
#if defined(HAVE_GST_APPSRC)
QGstAppSrc *appsrc() const { return m_appSrc; }
static void configureAppSrcElement(GObject*, GObject*, GParamSpec*,QGstreamerAudioDecoderSession* _this);
#endif
QString sourceFilename() const;
void setSourceFilename(const QString &fileName);
QIODevice* sourceDevice() const;
void setSourceDevice(QIODevice *device);
void start();
void stop();
QAudioFormat audioFormat() const;
void setAudioFormat(const QAudioFormat &format);
QAudioBuffer read(bool *ok);
bool bufferAvailable() const;
signals:
void stateChanged(QAudioDecoder::State newState);
void formatChanged(const QAudioFormat &format);
void error(int error, const QString &errorString);
void bufferReady();
void bufferAvailableChanged(bool available);
private:
void processInvalidMedia(QAudioDecoder::Error errorCode, const QString& errorString);
QAudioDecoder::State m_state;
QAudioDecoder::State m_pendingState;
QGstreamerBusHelper* m_busHelper;
GstBus* m_bus;
GstElement* m_playbin;
#if defined(HAVE_GST_APPSRC)
QGstAppSrc *m_appSrc;
#endif
QString mSource;
QIODevice *mDevice; // QWeakPointer perhaps
QAudioFormat mFormat;
};
QT_END_NAMESPACE
#endif // QGSTREAMERPLAYERSESSION_H
|