Trait gstreamer::prelude::ControlSourceExt[−][src]

pub trait ControlSourceExt: 'static {
    fn value(&self, timestamp: ClockTime) -> Option<f64>;
}

Expand description

Trait containing all ControlSource methods.

Implementors

fn value(&self, timestamp: ClockTime) -> Option<f64>[src]

Gets the value for this ControlSource at a given timestamp.

the time for which the value should be returned

false if the value couldn’t be returned, true otherwise.

the value

impl<O: IsA<ControlSource>> ControlSourceExt for O[src]

fn value(&self, timestamp: ClockTime) -> Option<f64>[src]