| 1 | // Copyright (C) 2016 The Qt Company Ltd. | 
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only | 
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| 3 |  | 
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| 4 | #ifndef QAUDIODECODER_H | 
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| 5 | #define QAUDIODECODER_H | 
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| 6 |  | 
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| 7 | #include <QtCore/qobject.h> | 
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| 8 | #include <QtMultimedia/qaudiobuffer.h> | 
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| 9 |  | 
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| 10 | QT_BEGIN_NAMESPACE | 
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| 11 |  | 
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| 12 | class QAudioDecoderPrivate; | 
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| 13 | class Q_MULTIMEDIA_EXPORT QAudioDecoder : public QObject | 
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| 14 | { | 
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| 15 | Q_OBJECT | 
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| 16 | Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged) | 
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| 17 | Q_PROPERTY(bool isDecoding READ isDecoding NOTIFY isDecodingChanged) | 
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| 18 | Q_PROPERTY(QString error READ errorString) | 
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| 19 | Q_PROPERTY(bool bufferAvailable READ bufferAvailable NOTIFY bufferAvailableChanged) | 
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| 20 |  | 
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| 21 | public: | 
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| 22 | enum Error | 
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| 23 | { | 
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| 24 | NoError, | 
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| 25 | ResourceError, | 
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| 26 | FormatError, | 
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| 27 | AccessDeniedError, | 
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| 28 | NotSupportedError | 
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| 29 | }; | 
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| 30 | Q_ENUM(Error) | 
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| 31 |  | 
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| 32 | explicit QAudioDecoder(QObject *parent = nullptr); | 
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| 33 | ~QAudioDecoder() override; | 
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| 34 |  | 
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| 35 | bool isSupported() const; | 
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| 36 | bool isDecoding() const; | 
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| 37 |  | 
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| 38 | QUrl source() const; | 
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| 39 | void setSource(const QUrl &fileName); | 
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| 40 |  | 
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| 41 | QIODevice* sourceDevice() const; | 
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| 42 | void setSourceDevice(QIODevice *device); | 
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| 43 |  | 
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| 44 | QAudioFormat audioFormat() const; | 
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| 45 | void setAudioFormat(const QAudioFormat &format); | 
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| 46 |  | 
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| 47 | Error error() const; | 
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| 48 | QString errorString() const; | 
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| 49 |  | 
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| 50 | QAudioBuffer read() const; | 
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| 51 | bool bufferAvailable() const; | 
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| 52 |  | 
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| 53 | qint64 position() const; | 
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| 54 | qint64 duration() const; | 
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| 55 |  | 
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| 56 | public Q_SLOTS: | 
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| 57 | void start(); | 
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| 58 | void stop(); | 
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| 59 |  | 
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| 60 | Q_SIGNALS: | 
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| 61 | void bufferAvailableChanged(bool); | 
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| 62 | void bufferReady(); | 
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| 63 | void finished(); | 
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| 64 | void isDecodingChanged(bool); | 
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| 65 |  | 
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| 66 | void formatChanged(const QAudioFormat &format); | 
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| 67 |  | 
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| 68 | void error(QAudioDecoder::Error error); | 
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| 69 |  | 
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| 70 | void sourceChanged(); | 
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| 71 |  | 
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| 72 | void positionChanged(qint64 position); | 
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| 73 | void durationChanged(qint64 duration); | 
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| 74 |  | 
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| 75 | private: | 
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| 76 | Q_DISABLE_COPY(QAudioDecoder) | 
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| 77 | Q_DECLARE_PRIVATE(QAudioDecoder) | 
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| 78 |  | 
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| 79 | // ### Qt7: remove unused member | 
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| 80 | QT6_ONLY(void *unused = nullptr;) // for ABI compatibility | 
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| 81 | }; | 
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| 82 |  | 
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| 83 | QT_END_NAMESPACE | 
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| 84 |  | 
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| 85 | #endif  // QAUDIODECODER_H | 
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| 86 |  | 
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