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39 | |
40 | |
41 | #ifndef QAUDIOFORMAT_H |
42 | #define QAUDIOFORMAT_H |
43 | |
44 | #include <QtCore/qobject.h> |
45 | #include <QtCore/qshareddata.h> |
46 | |
47 | #include <QtMultimedia/qtmultimediaglobal.h> |
48 | #include <QtMultimedia/qmultimedia.h> |
49 | |
50 | QT_BEGIN_NAMESPACE |
51 | |
52 | class QAudioFormatPrivate; |
53 | |
54 | class Q_MULTIMEDIA_EXPORT QAudioFormat |
55 | { |
56 | public: |
57 | enum SampleType { Unknown, SignedInt, UnSignedInt, Float }; |
58 | enum Endian { BigEndian = QSysInfo::BigEndian, LittleEndian = QSysInfo::LittleEndian }; |
59 | |
60 | QAudioFormat(); |
61 | QAudioFormat(const QAudioFormat &other); |
62 | ~QAudioFormat(); |
63 | |
64 | QAudioFormat& operator=(const QAudioFormat &other); |
65 | bool operator==(const QAudioFormat &other) const; |
66 | bool operator!=(const QAudioFormat &other) const; |
67 | |
68 | bool isValid() const; |
69 | |
70 | void setSampleRate(int sampleRate); |
71 | int sampleRate() const; |
72 | |
73 | void setChannelCount(int channelCount); |
74 | int channelCount() const; |
75 | |
76 | void setSampleSize(int sampleSize); |
77 | int sampleSize() const; |
78 | |
79 | void setCodec(const QString &codec); |
80 | QString codec() const; |
81 | |
82 | void setByteOrder(QAudioFormat::Endian byteOrder); |
83 | QAudioFormat::Endian byteOrder() const; |
84 | |
85 | void setSampleType(QAudioFormat::SampleType sampleType); |
86 | QAudioFormat::SampleType sampleType() const; |
87 | |
88 | // Helper functions |
89 | qint32 bytesForDuration(qint64 duration) const; |
90 | qint64 durationForBytes(qint32 byteCount) const; |
91 | |
92 | qint32 bytesForFrames(qint32 frameCount) const; |
93 | qint32 framesForBytes(qint32 byteCount) const; |
94 | |
95 | qint32 framesForDuration(qint64 duration) const; |
96 | qint64 durationForFrames(qint32 frameCount) const; |
97 | |
98 | int bytesPerFrame() const; |
99 | |
100 | private: |
101 | QSharedDataPointer<QAudioFormatPrivate> d; |
102 | }; |
103 | |
104 | #ifndef QT_NO_DEBUG_STREAM |
105 | Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, const QAudioFormat &); |
106 | Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, QAudioFormat::SampleType); |
107 | Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, QAudioFormat::Endian); |
108 | #endif |
109 | |
110 | QT_END_NAMESPACE |
111 | |
112 | Q_DECLARE_METATYPE(QAudioFormat) |
113 | Q_DECLARE_METATYPE(QAudioFormat::SampleType) |
114 | Q_DECLARE_METATYPE(QAudioFormat::Endian) |
115 | |
116 | #endif // QAUDIOFORMAT_H |
117 | |