Trait DeviceProviderExtManual
gstreamer::prelude
pub trait DeviceProviderExtManual: 'static { fn get_metadata<'a>(&self, key: &str) -> Option<&'a str>; }
fn get_metadata<'a>(&self, key: &str) -> Option<&'a str>
impl<O: IsA<DeviceProvider>> DeviceProviderExtManual for O