1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #ifndef QAUDIODECODER_H |
5 | #define QAUDIODECODER_H |
6 | |
7 | #include <QtCore/qobject.h> |
8 | #include <QtMultimedia/qmediaenumdebug.h> |
9 | |
10 | #include <QtMultimedia/qaudiobuffer.h> |
11 | |
12 | QT_BEGIN_NAMESPACE |
13 | |
14 | class QPlatformAudioDecoder; |
15 | class Q_MULTIMEDIA_EXPORT QAudioDecoder : public QObject |
16 | { |
17 | Q_OBJECT |
18 | Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged) |
19 | Q_PROPERTY(bool isDecoding READ isDecoding NOTIFY isDecodingChanged) |
20 | Q_PROPERTY(QString error READ errorString) |
21 | Q_PROPERTY(bool bufferAvailable READ bufferAvailable NOTIFY bufferAvailableChanged) |
22 | |
23 | public: |
24 | enum Error |
25 | { |
26 | NoError, |
27 | ResourceError, |
28 | FormatError, |
29 | AccessDeniedError, |
30 | NotSupportedError |
31 | }; |
32 | Q_ENUM(Error) |
33 | |
34 | explicit QAudioDecoder(QObject *parent = nullptr); |
35 | ~QAudioDecoder(); |
36 | |
37 | bool isSupported() const; |
38 | bool isDecoding() const; |
39 | |
40 | QUrl source() const; |
41 | void setSource(const QUrl &fileName); |
42 | |
43 | QIODevice* sourceDevice() const; |
44 | void setSourceDevice(QIODevice *device); |
45 | |
46 | QAudioFormat audioFormat() const; |
47 | void setAudioFormat(const QAudioFormat &format); |
48 | |
49 | Error error() const; |
50 | QString errorString() const; |
51 | |
52 | QAudioBuffer read() const; |
53 | bool bufferAvailable() const; |
54 | |
55 | qint64 position() const; |
56 | qint64 duration() const; |
57 | |
58 | public Q_SLOTS: |
59 | void start(); |
60 | void stop(); |
61 | |
62 | Q_SIGNALS: |
63 | void bufferAvailableChanged(bool); |
64 | void bufferReady(); |
65 | void finished(); |
66 | void isDecodingChanged(bool); |
67 | |
68 | void formatChanged(const QAudioFormat &format); |
69 | |
70 | void error(QAudioDecoder::Error error); |
71 | |
72 | void sourceChanged(); |
73 | |
74 | void positionChanged(qint64 position); |
75 | void durationChanged(qint64 duration); |
76 | |
77 | private: |
78 | Q_DISABLE_COPY(QAudioDecoder) |
79 | QPlatformAudioDecoder *decoder = nullptr; |
80 | }; |
81 | |
82 | QT_END_NAMESPACE |
83 | |
84 | Q_MEDIA_ENUM_DEBUG(QAudioDecoder, Error) |
85 | |
86 | #endif // QAUDIODECODER_H |
87 | |