Trait gstreamer::prelude::ControlSourceExt

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

Trait containing all ControlSource methods.

Implementors

crate::ControlSource

Required methods

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

Gets the value for this crate::ControlSource at a given timestamp.

timestamp

the time for which the value should be returned

value

the value

Returns

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

Loading content...

Implementors

impl<O: IsA<ControlSource>> ControlSourceExt for O

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

Loading content...