Struct AudioParam 

pub struct AudioParam { /* private fields */ }

The AudioParam class. AudioParam

Implementations

impl AudioParam

pub fn value(&self) -> f32

Getter of the value attribute. AudioParam.value

pub fn set_value(&mut self, value: f32)

Setter of the value attribute. AudioParam.value

Examples found in repository

examples/audio.rs (line 12)

fn main() {
    let context = AudioContext::new();
    println!("Got an AudioContext");

    // Create oscillator
    let mut oscillator = context.create_oscillator();
    println!("Configuring oscillator");
    oscillator.set_type_(&OscillatorType::TRIANGLE);
    oscillator.frequency().set_value(261.63); // Middle C

    let document = window().document();
    let body = document.get_elements_by_tag_name(&"body".into()).item(0);
    let mut button = document
        .create_element(&"BUTTON".into())
        .dyn_into::<HTMLButtonElement>()
        .unwrap();

    button.set_text_content(&"Click me".into());
    button.add_event_listener(
        &JsString::from("click"),
        &EventListener::from_closure(move |_e: Event| {
            println!("Playing");
            oscillator.connect_with_destination_param(
                context.destination().unchecked_ref::<AudioParam>(),
            );
            oscillator.start_with_when(0.0);
            println!("All done!");
            Undefined::VALUE
        }),
    );
    body.append_child(button.dyn_ref::<Node>().unwrap());
}

impl AudioParam

pub fn automation_rate(&self) -> AutomationRate

Getter of the automationRate attribute. AudioParam.automationRate

pub fn set_automation_rate(&mut self, value: &AutomationRate)

Setter of the automationRate attribute. AudioParam.automationRate

impl AudioParam

pub fn default_value(&self) -> f32

Getter of the defaultValue attribute. AudioParam.defaultValue

impl AudioParam

pub fn min_value(&self) -> f32

Getter of the minValue attribute. AudioParam.minValue

impl AudioParam

pub fn max_value(&self) -> f32

Getter of the maxValue attribute. AudioParam.maxValue

impl AudioParam

pub fn set_value_at_time(&self, value: f32, start_time: f64) -> AudioParam

The setValueAtTime method. AudioParam.setValueAtTime

impl AudioParam

pub fn linear_ramp_to_value_at_time( &self, value: f32, end_time: f64, ) -> AudioParam

The linearRampToValueAtTime method. AudioParam.linearRampToValueAtTime

impl AudioParam

pub fn exponential_ramp_to_value_at_time( &self, value: f32, end_time: f64, ) -> AudioParam

The exponentialRampToValueAtTime method. AudioParam.exponentialRampToValueAtTime

impl AudioParam

pub fn set_target_at_time( &self, target: f32, start_time: f64, time_constant: f32, ) -> AudioParam

The setTargetAtTime method. AudioParam.setTargetAtTime

impl AudioParam

pub fn set_value_curve_at_time( &self, values: TypedArray<f32>, start_time: f64, duration: f64, ) -> AudioParam

The setValueCurveAtTime method. AudioParam.setValueCurveAtTime

impl AudioParam

pub fn cancel_scheduled_values(&self, cancel_time: f64) -> AudioParam

The cancelScheduledValues method. AudioParam.cancelScheduledValues

impl AudioParam

pub fn cancel_and_hold_at_time(&self, cancel_time: f64) -> AudioParam

The cancelAndHoldAtTime method. AudioParam.cancelAndHoldAtTime

Methods from Deref<Target = Any>

pub fn get<T>(&self, prop: T) -> Val

where T: Into<Val>,

Gets the property prop

pub fn set<K, V>(&self, prop: K, val: V)

where K: Into<Val>, V: Into<Val>,

Set the underlying js object property prop to val

pub fn has<T>(&self, prop: T) -> bool

where T: Into<Val>,

Checks whether a property prop exists

pub fn has_own_property(&self, prop: &str) -> bool

Checks whether a non-inherited property prop exists

pub fn type_of(&self) -> String

Gets the typeof the underlying js object

pub fn at<T>(&self, idx: T) -> Val

where T: Into<Val>,

Gets the element at index idx. Assumes the underlying js type is indexable

pub fn to_vec<V>(&self) -> Vec<V>

where V: FromVal,

Converts the underlying js array to a Vec of V

pub fn call(&self, f: &str, args: &[Val]) -> Val

Calls the method f with args, can return an undefined js value

pub fn new(&self, args: &[Val]) -> Val

Calls the object’s constructor with args constructing a new object

pub fn invoke(&self, args: &[Val]) -> Val

Invokes the function object with args, can return an undefined js value

pub fn await_(&self) -> Val

Awaits the invoked function object

pub fn instanceof(&self, v: Val) -> bool

Checks whether this Val is an instanceof v

pub fn is_number(&self) -> bool

pub fn is_bool(&self) -> bool

pub fn is_string(&self) -> bool

pub fn is_null(&self) -> bool

pub fn is_undefined(&self) -> bool

pub fn is_error(&self) -> bool

pub fn is_function(&self) -> bool

pub fn as_<T>(&self) -> T

where T: FromVal,

pub fn to_utf16(&self) -> Option<Vec<u16>>

Extracts UTF-16 data as Option<Vec>

pub fn to_utf16_result(&self) -> Result<Vec<u16>, Val>

Extracts UTF-16 data, returning error if null or if self is error

Trait Implementations

impl AsMut<Val> for AudioParam

fn as_mut(&mut self) -> &mut Any

Converts this type into a mutable reference of the (usually inferred) input type.

impl AsRef<Val> for AudioParam

fn as_ref(&self) -> &Any

Converts this type into a shared reference of the (usually inferred) input type.

impl Clone for AudioParam

fn clone(&self) -> AudioParam

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for AudioParam

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Deref for AudioParam

type Target = Val

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl DerefMut for AudioParam

fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.

impl DynCast for AudioParam

fn instanceof(val: &Any) -> bool

Implementation of val instanceof ThisType.

fn unchecked_from_val(v: Any) -> Self

Zero-cost unchecked conversion from Val into Self.

fn unchecked_from_val_ref(v: &Any) -> &Self

Zero-cost unchecked conversion from &Val into &Self.

fn unchecked_from_val_mut(v: &mut Any) -> &mut Self

Zero-cost unchecked conversion from &mut Val into &mut Self.

fn has_type<T>(&self) -> bool

where T: DynCast,

fn dyn_into<T>(self) -> Result<T, Self>

where T: DynCast,

fn dyn_ref<T>(&self) -> Option<&T>

where T: DynCast,

fn dyn_mut<T>(&mut self) -> Option<&mut T>

where T: DynCast,

fn unchecked_into<T>(self) -> T

where T: DynCast,

fn unchecked_ref<T>(&self) -> &T

where T: DynCast,

fn unchecked_mut<T>(&mut self) -> &mut T

where T: DynCast,

fn is_instance_of<T>(&self) -> bool

where T: DynCast,

fn is_type_of(val: &Val) -> bool

Customisable brand check – defaults to instanceof.

impl From<&AudioParam> for Any

fn from(s: &AudioParam) -> Any

Converts to this type from the input type.

impl From<AudioParam> for Any

fn from(s: AudioParam) -> Any

Converts to this type from the input type.

impl FromVal for AudioParam

fn from_val(v: &Any) -> Self

Creates a Val object from another

fn take_ownership(v: AnyHandle) -> Self

Takes the ownership of a handle

fn as_handle(&self) -> AnyHandle

Returns the raw js handle

impl PartialEq for AudioParam

fn eq(&self, other: &AudioParam) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for AudioParam

fn partial_cmp(&self, other: &AudioParam) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl StructuralPartialEq for AudioParam