QVideoEncoderSettingsControl ¶

详细描述 ¶

若 QMediaService supports encoding video data it will implement QVideoEncoderSettingsControl . This control provides information about the limits of restricted video encoder options and allows the selection of a set of video encoder settings as specified in a QVideoEncoderSettings 对象。

The functionality provided by this control is exposed to application code through the QMediaRecorder 类。

The interface name of QVideoEncoderSettingsControl is org.qt-project.qt.videoencodersettingscontrol/5.0 作为定义在 QVideoEncoderSettingsControl_iid .

另请参阅

QMediaRecorder QVideoEncoderSettings requestControl()

class QVideoEncoderSettingsControl ( [ parent=None ] ) ¶

param parent

QObject

Create a new video encoder settings control object with the given parent .

PySide2.QtMultimedia.QVideoEncoderSettingsControl. setVideoSettings ( settings ) ¶

参数

settings – QVideoEncoderSettings

Sets the selected video encoder settings .

另请参阅

videoSettings()

PySide2.QtMultimedia.QVideoEncoderSettingsControl. supportedVideoCodecs ( ) ¶

返回类型

字符串列表

Returns the list of supported video codecs.

PySide2.QtMultimedia.QVideoEncoderSettingsControl. videoCodecDescription ( codec ) ¶

参数

codec – unicode

返回类型

unicode

Returns a description of a video codec .

PySide2.QtMultimedia.QVideoEncoderSettingsControl. videoSettings ( ) ¶

返回类型

QVideoEncoderSettings

Returns the video encoder settings.

The returned value may be different tha passed to setVideoSettings() if the settings contains the default or undefined parameters. In this case if the undefined parameters are already resolved, they should be returned.

另请参阅

setVideoSettings()