QAbstractAudioDeviceInfo Class

The QAbstractAudioDeviceInfo class is a base class for audio backends. 更多...

头：	#include <QAbstractAudioDeviceInfo>
qmake:	QT += multimedia
继承：	QObject

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公共函数

virtual QString	deviceName () const = 0
virtual bool	isFormatSupported (const QAudioFormat & format ) const = 0
virtual QAudioFormat	preferredFormat () const = 0
virtual QList<QAudioFormat::Endian>	supportedByteOrders () = 0
virtual QList<int>	supportedChannelCounts () = 0
virtual QStringList	supportedCodecs () = 0
virtual QList<int>	supportedSampleRates () = 0
virtual QList<int>	supportedSampleSizes () = 0
virtual QList<QAudioFormat::SampleType>	supportedSampleTypes () = 0

详细描述

This class implements the audio functionality for QAudioDeviceInfo ，即： QAudioDeviceInfo keeps a QAbstractAudioDeviceInfo and routes function calls to it. For a description of the functionality that QAbstractAudioDeviceInfo implements, you can read the class and functions documentation of QAudioDeviceInfo .

另请参阅 QAudioDeviceInfo , QAbstractAudioOutput ，和 QAbstractAudioInput .

成员函数文档编制

[pure virtual] QString QAbstractAudioDeviceInfo:: deviceName () const

Returns the audio device name.

[pure virtual] bool QAbstractAudioDeviceInfo:: isFormatSupported (const QAudioFormat & format ) const

返回 true 若 format is available from audio device.

[pure virtual] QAudioFormat QAbstractAudioDeviceInfo:: preferredFormat () const

Returns the recommended settings to use.

[pure virtual] QList < QAudioFormat::Endian > QAbstractAudioDeviceInfo:: supportedByteOrders ()

Returns the list of currently available byte orders.

[pure virtual] QList < int > QAbstractAudioDeviceInfo:: supportedChannelCounts ()

Returns the list of currently available channels.

[pure virtual] QStringList QAbstractAudioDeviceInfo:: supportedCodecs ()

Returns the list of currently available codecs.

[pure virtual] QList < int > QAbstractAudioDeviceInfo:: supportedSampleRates ()

Returns the list of currently available sample rates.

[pure virtual] QList < int > QAbstractAudioDeviceInfo:: supportedSampleSizes ()

Returns the list of currently available sample sizes.

[pure virtual] QList < QAudioFormat::SampleType > QAbstractAudioDeviceInfo:: supportedSampleTypes ()

Returns the list of currently available sample types.

内容

• 公共函数

• 详细描述