Trait gstreamer_controller::prelude::TimedValueControlSourceExt[−][src]

pub trait TimedValueControlSourceExt: 'static {
    fn count(&self) -> i32;

    fn set(&self, timestamp: ClockTime, value: f64) -> bool;

    fn unset(&self, timestamp: ClockTime) -> bool;

    fn unset_all(&self);

    fn connect_value_added<F: Fn(&Self, &ControlPoint) + Send + Sync + 'static>(
        &self, 
        f: F
    ) -> SignalHandlerId;

    fn connect_value_changed<F: Fn(&Self, &ControlPoint) + Send + Sync + 'static>(
        &self, 
        f: F
    ) -> SignalHandlerId;

    fn connect_value_removed<F: Fn(&Self, &ControlPoint) + Send + Sync + 'static>(
        &self, 
        f: F
    ) -> SignalHandlerId;
}
Expand description

Trait containing all TimedValueControlSource methods.

Implementors

InterpolationControlSource, TimedValueControlSource, TriggerControlSource

Required methods

Get the number of control points that are set.

Returns

the number of control points that are set.

Set the value of given controller-handled property at a certain time.

timestamp

the time the control-change is scheduled for

value

the control-value

Returns

FALSE if the values couldn’t be set, TRUE otherwise.

Used to remove the value of given controller-handled property at a certain time.

timestamp

the time the control-change should be removed from

Returns

FALSE if the value couldn’t be unset (i.e. not found, TRUE otherwise.

Used to remove all time-stamped values of given controller-handled property

Emitted right after the new value has been added to self_

timed_value

The newly added GstTimedValue

Emitted right after the new value has been set on timed_signals

timed_value

The GstTimedValue where the value changed

Emitted when timed_value is removed from self_

timed_value

The removed GstTimedValue

Implementors