/usr/share/webcamoid/qml/ is in webcamoid-data 8.1.0+dfsg-7.
This file is owned by root:root, with mode 0o755.
..
/usr/share/webcamoid/qml/About.qml
/usr/share/webcamoid/qml/AddMedia.qml
/usr/share/webcamoid/qml/AudioConfig.qml
/usr/share/webcamoid/qml/AudioInfo.qml
/usr/share/webcamoid/qml/ConfigBar.qml
/usr/share/webcamoid/qml/DialogBox.qml
/usr/share/webcamoid/qml/EffectBar.qml
/usr/share/webcamoid/qml/EffectConfig.qml
/usr/share/webcamoid/qml/Flash.qml
/usr/share/webcamoid/qml/GeneralConfig.qml
/usr/share/webcamoid/qml/IconBarItem.qml
/usr/share/webcamoid/qml/MediaBar.qml
/usr/share/webcamoid/qml/MediaConfig.qml
/usr/share/webcamoid/qml/OptionList.qml
/usr/share/webcamoid/qml/OutputConfig.qml
/usr/share/webcamoid/qml/PhotoWidget.qml
/usr/share/webcamoid/qml/PluginConfig.qml
/usr/share/webcamoid/qml/RecordBar.qml
/usr/share/webcamoid/qml/RecordConfig.qml
/usr/share/webcamoid/qml/UpdatesConfig.qml
/usr/share/webcamoid/qml/main.qml