QMetaDataReaderControl¶
The
QMetaDataReaderControl
class provides read access to the meta-data of aQMediaService
‘s media. More…

Detailed Description¶
If a
QMediaService
can provide read or write access to the meta-data of its current media it will implementQMetaDataReaderControl
. This control provides functions for both retrieving and setting meta-data values. Meta-data may be addressed by the keys defined in the QMediaMetaData namespace.The functionality provided by this control is exposed to application code by the meta-data members of
QMediaObject
, and so meta-data access is potentially available in any of the media object classes. Any media service may implementQMetaDataReaderControl
.The interface name of
QMetaDataReaderControl
isorg.qt-project.qt.metadatareadercontrol/5.0
as defined inQMetaDataReaderControl_iid
.See also
-
class
QMetaDataReaderControl
([parent=None])¶ - param parent
QObject
Construct a
QMetaDataReaderControl
withparent
. This class is meant as a base class for service specific meta data providers so this constructor is protected.
-
PySide2.QtMultimedia.QMetaDataReaderControl.
availableMetaData
()¶ - Return type
list of strings
Returns a list of keys there is meta-data available for.
-
PySide2.QtMultimedia.QMetaDataReaderControl.
isMetaDataAvailable
()¶ - Return type
bool
Identifies if meta-data is available from a media service.
Returns true if the meta-data is available and false otherwise.
-
PySide2.QtMultimedia.QMetaDataReaderControl.
metaData
(key)¶ - Parameters
key – unicode
- Return type
object
Returns the meta-data for the given
key
.
-
PySide2.QtMultimedia.QMetaDataReaderControl.
metaDataAvailableChanged
(available)¶ - Parameters
available –
bool
-
PySide2.QtMultimedia.QMetaDataReaderControl.
metaDataChanged
()¶
-
PySide2.QtMultimedia.QMetaDataReaderControl.
metaDataChanged
(key, value) - Parameters
key – unicode
value – object