Struct AudioContext 

pub struct AudioContext { /* private fields */ }

The AudioContext class. AudioContext

Implementations

impl AudioContext

pub fn base_latency(&self) -> f64

Getter of the baseLatency attribute. AudioContext.baseLatency

impl AudioContext

pub fn output_latency(&self) -> f64

Getter of the outputLatency attribute. AudioContext.outputLatency

impl AudioContext

pub fn sink_id(&self) -> Any

Getter of the sinkId attribute. AudioContext.sinkId

impl AudioContext

pub fn onsinkchange(&self) -> Any

Getter of the onsinkchange attribute. AudioContext.onsinkchange

pub fn set_onsinkchange(&mut self, value: &Any)

Setter of the onsinkchange attribute. AudioContext.onsinkchange

impl AudioContext

pub fn onerror(&self) -> Any

Getter of the onerror attribute. AudioContext.onerror

pub fn set_onerror(&mut self, value: &Any)

Setter of the onerror attribute. AudioContext.onerror

impl AudioContext

pub fn new() -> AudioContext

The new AudioContext(..) constructor, creating a new AudioContext instance

Examples found in repository

examples/audio.rs (line 5)

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 AudioContext

pub fn new_with_context_options( context_options: &AudioContextOptions, ) -> AudioContext

The new AudioContext(..) constructor, creating a new AudioContext instance

impl AudioContext

pub fn get_output_timestamp(&self) -> AudioTimestamp

The getOutputTimestamp method. AudioContext.getOutputTimestamp

impl AudioContext

pub fn resume(&self) -> Promise<Undefined>

The resume method. AudioContext.resume

impl AudioContext

pub fn suspend(&self) -> Promise<Undefined>

The suspend method. AudioContext.suspend

impl AudioContext

pub fn close(&self) -> Promise<Undefined>

The close method. AudioContext.close

impl AudioContext

pub fn set_sink_id(&self, sink_id: &Any) -> Promise<Undefined>

The setSinkId method. AudioContext.setSinkId

impl AudioContext

pub fn create_media_element_source( &self, media_element: &HTMLMediaElement, ) -> MediaElementAudioSourceNode

The createMediaElementSource method. AudioContext.createMediaElementSource

impl AudioContext

pub fn create_media_stream_source( &self, media_stream: &MediaStream, ) -> MediaStreamAudioSourceNode

The createMediaStreamSource method. AudioContext.createMediaStreamSource

impl AudioContext

pub fn create_media_stream_track_source( &self, media_stream_track: &MediaStreamTrack, ) -> MediaStreamTrackAudioSourceNode

The createMediaStreamTrackSource method. AudioContext.createMediaStreamTrackSource

impl AudioContext

pub fn create_media_stream_destination(&self) -> MediaStreamAudioDestinationNode

The createMediaStreamDestination method. AudioContext.createMediaStreamDestination

Methods from Deref<Target = BaseAudioContext>

pub fn destination(&self) -> AudioDestinationNode

Getter of the destination attribute. BaseAudioContext.destination

Examples found in repository

examples/audio.rs (line 27)

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());
}

pub fn sample_rate(&self) -> f32

Getter of the sampleRate attribute. BaseAudioContext.sampleRate

pub fn current_time(&self) -> f64

Getter of the currentTime attribute. BaseAudioContext.currentTime

pub fn listener(&self) -> AudioListener

Getter of the listener attribute. BaseAudioContext.listener

pub fn state(&self) -> AudioContextState

Getter of the state attribute. BaseAudioContext.state

pub fn render_quantum_size(&self) -> u32

Getter of the renderQuantumSize attribute. BaseAudioContext.renderQuantumSize

pub fn audio_worklet(&self) -> AudioWorklet

Getter of the audioWorklet attribute. BaseAudioContext.audioWorklet

pub fn onstatechange(&self) -> Any

Getter of the onstatechange attribute. BaseAudioContext.onstatechange

pub fn set_onstatechange(&mut self, value: &Any)

Setter of the onstatechange attribute. BaseAudioContext.onstatechange

pub fn create_analyser(&self) -> AnalyserNode

The createAnalyser method. BaseAudioContext.createAnalyser

pub fn create_biquad_filter(&self) -> BiquadFilterNode

The createBiquadFilter method. BaseAudioContext.createBiquadFilter

pub fn create_buffer( &self, number_of_channels: u32, length: u32, sample_rate: f32, ) -> AudioBuffer

The createBuffer method. BaseAudioContext.createBuffer

pub fn create_buffer_source(&self) -> AudioBufferSourceNode

The createBufferSource method. BaseAudioContext.createBufferSource

pub fn create_channel_merger(&self) -> ChannelMergerNode

The createChannelMerger method. BaseAudioContext.createChannelMerger

pub fn create_channel_merger_with_number_of_inputs( &self, number_of_inputs: u32, ) -> ChannelMergerNode

The createChannelMerger method. BaseAudioContext.createChannelMerger

pub fn create_channel_splitter(&self) -> ChannelSplitterNode

The createChannelSplitter method. BaseAudioContext.createChannelSplitter

pub fn create_channel_splitter_with_number_of_outputs( &self, number_of_outputs: u32, ) -> ChannelSplitterNode

The createChannelSplitter method. BaseAudioContext.createChannelSplitter

pub fn create_constant_source(&self) -> ConstantSourceNode

The createConstantSource method. BaseAudioContext.createConstantSource

pub fn create_convolver(&self) -> ConvolverNode

The createConvolver method. BaseAudioContext.createConvolver

pub fn create_delay(&self) -> DelayNode

The createDelay method. BaseAudioContext.createDelay

pub fn create_delay_with_max_delay_time(&self, max_delay_time: f64) -> DelayNode

The createDelay method. BaseAudioContext.createDelay

pub fn create_dynamics_compressor(&self) -> DynamicsCompressorNode

The createDynamicsCompressor method. BaseAudioContext.createDynamicsCompressor

pub fn create_gain(&self) -> GainNode

The createGain method. BaseAudioContext.createGain

pub fn create_iir_filter( &self, feedforward: TypedArray<f64>, feedback: TypedArray<f64>, ) -> IIRFilterNode

The createIIRFilter method. BaseAudioContext.createIIRFilter

pub fn create_oscillator(&self) -> OscillatorNode

The createOscillator method. BaseAudioContext.createOscillator

Examples found in repository

examples/audio.rs (line 9)

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());
}

pub fn create_panner(&self) -> PannerNode

The createPanner method. BaseAudioContext.createPanner

pub fn create_periodic_wave( &self, real: TypedArray<f32>, imag: TypedArray<f32>, ) -> PeriodicWave

The createPeriodicWave method. BaseAudioContext.createPeriodicWave

pub fn create_periodic_wave_with_constraints( &self, real: TypedArray<f32>, imag: TypedArray<f32>, constraints: &PeriodicWaveConstraints, ) -> PeriodicWave

The createPeriodicWave method. BaseAudioContext.createPeriodicWave

pub fn create_script_processor(&self) -> ScriptProcessorNode

The createScriptProcessor method. BaseAudioContext.createScriptProcessor

pub fn create_script_processor_with_buffer_size( &self, buffer_size: u32, ) -> ScriptProcessorNode

The createScriptProcessor method. BaseAudioContext.createScriptProcessor

pub fn create_script_processor_with_buffer_size_and_number_of_input_channels( &self, buffer_size: u32, number_of_input_channels: u32, ) -> ScriptProcessorNode

The createScriptProcessor method. BaseAudioContext.createScriptProcessor

pub fn create_script_processor_with_buffer_size_and_number_of_input_channels_and_number_of_output_channels( &self, buffer_size: u32, number_of_input_channels: u32, number_of_output_channels: u32, ) -> ScriptProcessorNode

The createScriptProcessor method. BaseAudioContext.createScriptProcessor

pub fn create_stereo_panner(&self) -> StereoPannerNode

The createStereoPanner method. BaseAudioContext.createStereoPanner

pub fn create_wave_shaper(&self) -> WaveShaperNode

The createWaveShaper method. BaseAudioContext.createWaveShaper

pub fn decode_audio_data( &self, audio_data: &ArrayBuffer, ) -> Promise<AudioBuffer>

The decodeAudioData method. BaseAudioContext.decodeAudioData

pub fn decode_audio_data_with_success_callback( &self, audio_data: &ArrayBuffer, success_callback: &Function, ) -> Promise<AudioBuffer>

The decodeAudioData method. BaseAudioContext.decodeAudioData

pub fn decode_audio_data_with_success_callback_and_error_callback( &self, audio_data: &ArrayBuffer, success_callback: &Function, error_callback: &Function, ) -> Promise<AudioBuffer>

The decodeAudioData method. BaseAudioContext.decodeAudioData

Methods from Deref<Target = EventTarget>

pub fn add_event_listener( &self, type_: &JsString, callback: &EventListener, ) -> Undefined

The addEventListener method. EventTarget.addEventListener

Examples found in repository

examples/button.rs (lines 24-31)

fn main() {
    let con = Console::get();
    let document = window().document();
    let bodies = document.get_elements_by_tag_name(&"body".into());
    if bodies.length() == 0 {
        con.log(&["I Ain't got Nobody!".into()]);
        return;
    }
    let body = bodies.item(0);
    let mut button = document
        .create_element(&"BUTTON".into())
        .dyn_into::<HTMLButtonElement>()
        .unwrap();

    let style = button.style();
    style.set_property(&"color".into(), &"red".into());
    style.set_property(&"background-color".into(), &"#aaf".into());
    style.set_property(&"border".into(), &"solid".into());

    button.set_text_content(&"Click me".into());
    button.add_event_listener(
        &"click".into(),
        &EventListener::from_closure(move |e: Event| {
            let p = e.dyn_into::<PointerEvent>().unwrap();
            con.log(&[p.client_x().into()]);
            Undefined::VALUE
        }),
    );
    body.append_child(button.dyn_ref::<Node>().unwrap());
}

examples/audio.rs (lines 22-33)

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());
}

pub fn add_event_listener_with_options( &self, type_: &JsString, callback: &EventListener, options: &Any, ) -> Undefined

The addEventListener method. EventTarget.addEventListener

pub fn remove_event_listener( &self, type_: &JsString, callback: &EventListener, ) -> Undefined

The removeEventListener method. EventTarget.removeEventListener

pub fn remove_event_listener_with_options( &self, type_: &JsString, callback: &EventListener, options: &Any, ) -> Undefined

The removeEventListener method. EventTarget.removeEventListener

pub fn dispatch_event(&self, event: &Event) -> bool

The dispatchEvent method. EventTarget.dispatchEvent

pub fn when(&self, type_: &JsString) -> Observable

The when method. EventTarget.when

pub fn when_with_options( &self, type_: &JsString, options: &ObservableEventListenerOptions, ) -> Observable

The when method. EventTarget.when

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 AudioContext

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

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

impl AsRef<Val> for AudioContext

fn as_ref(&self) -> &Any

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

impl Clone for AudioContext

fn clone(&self) -> AudioContext

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AudioContext

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

Formats the value using the given formatter.

impl Deref for AudioContext

type Target = BaseAudioContext

The resulting type after dereferencing.

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

Dereferences the value.

impl DerefMut for AudioContext

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

Mutably dereferences the value.

impl DynCast for AudioContext

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<&AudioContext> for Any

fn from(s: &AudioContext) -> Any

Converts to this type from the input type.

impl From<AudioContext> for Any

fn from(s: AudioContext) -> Any

Converts to this type from the input type.

impl FromVal for AudioContext

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 AudioContext

fn eq(&self, other: &AudioContext) -> 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 AudioContext

fn partial_cmp(&self, other: &AudioContext) -> 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 AudioContext