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QMediaServiceProviderHint Class ReferenceThe QMediaServiceProviderHint class describes what is required of a QMediaService. More... #include <QMediaServiceProviderHint> Public Types
Public Functions
Detailed DescriptionThe QMediaServiceProviderHint class describes what is required of a QMediaService. The QMediaServiceProvider class uses hints to select an appropriate media service. Member Type Documentation
flags QMediaServiceProviderHint::Features |
| Constant | Value | Description |
|---|---|---|
| QMediaServiceProviderHint::LowLatencyPlayback | 0x01 | The service is expected to play simple audio formats, but playback should start without significant delay. Such playback service can be used for beeps, ringtones, etc. |
| QMediaServiceProviderHint::RecordingSupport | 0x02 | The service provides audio or video recording functions. |
| QMediaServiceProviderHint::StreamPlayback | 0x04 | The service is capable of playing QIODevice based streams. |
The Features type is a typedef for QFlags<Feature>. It stores an OR combination of Feature values.
enum QMediaServiceProviderHint::Type
Enumerates the possible types of media service provider hint.
| Constant | Value | Description |
|---|---|---|
| QMediaServiceProviderHint::Null | 0 | En empty hint, use the default service. |
| QMediaServiceProviderHint::ContentType | 1 | Select media service most suitable for certain content type. |
| QMediaServiceProviderHint::Device | 2 | Select media service which supports certain device. |
| QMediaServiceProviderHint::SupportedFeatures | 3 | Select media service supporting the set of optional features. |
Member Function Documentation
QMediaServiceProviderHint::QMediaServiceProviderHint ()
Constructs an empty media service provider hint.
QMediaServiceProviderHint::QMediaServiceProviderHint ( const QString & type, const QStringList & codecs )
Constructs a ContentType media service provider hint.
This type of hint describes a service that is able to play content of a specific MIME type encoded with one or more of the listed codecs.
QMediaServiceProviderHint::QMediaServiceProviderHint ( const QByteArray & device )
Constructs a Device media service provider hint.
This type of hint describes a media service that utilizes a specific device.
QMediaServiceProviderHint::QMediaServiceProviderHint ( Features features )
Constructs a SupportedFeatures media service provider hint.
This type of hint describes a service which supports a specific set of features.
QMediaServiceProviderHint::QMediaServiceProviderHint ( const QMediaServiceProviderHint & other )
Constructs a copy of the media service provider hint other.
QMediaServiceProviderHint::~QMediaServiceProviderHint ()
Destroys a media service provider hint.
QStringList QMediaServiceProviderHint::codecs () const
Returns a list of codes a media service is expected to be able to decode.
QByteArray QMediaServiceProviderHint::device () const
Returns the name of a device a media service is expected to utilize.
Features QMediaServiceProviderHint::features () const
Returns a set of features a media service is expected to provide.
bool QMediaServiceProviderHint::isNull () const
Returns true if a media service provider is null.
QString QMediaServiceProviderHint::mimeType () const
Returns the mime type of the media a service is expected to be able play.
Type QMediaServiceProviderHint::type () const
Returns the type of a media service provider hint.
bool QMediaServiceProviderHint::operator!= ( const QMediaServiceProviderHint & other ) const
Identifies if other is not of equal value to a media service provider hint.
Returns true if the hints are not equal, and false if they are.
QMediaServiceProviderHint & QMediaServiceProviderHint::operator= ( const QMediaServiceProviderHint & other )
Assigns the value other to a media service provider hint.
bool QMediaServiceProviderHint::operator== ( const QMediaServiceProviderHint & other ) const
Identifies if other is of equal value to a media service provider hint.
Returns true if the hints are equal, and false if they are not.