Trait web_audio_api::context::AsBaseAudioContext [−][src]
pub trait AsBaseAudioContext {
Show 22 methods
fn base(&self) -> &BaseAudioContext;
fn create_oscillator(&self) -> OscillatorNode { ... }
fn create_stereo_panner(&self) -> StereoPannerNode { ... }
fn create_gain(&self) -> GainNode { ... }
fn create_constant_source(&self) -> ConstantSourceNode { ... }
fn create_iir_filter(
&self,
feedforward: Vec<f64>,
feedback: Vec<f64>
) -> IirFilterNode { ... }
fn create_delay(&self, max_delay_time: f32) -> DelayNode { ... }
fn create_biquad_filter(&self) -> BiquadFilterNode { ... }
fn create_wave_shaper(&self) -> WaveShaperNode { ... }
fn create_channel_splitter(
&self,
number_of_outputs: u32
) -> ChannelSplitterNode { ... }
fn create_channel_merger(&self, number_of_inputs: u32) -> ChannelMergerNode { ... }
fn create_media_stream_source<M: MediaStream>(
&self,
media: M
) -> MediaStreamAudioSourceNode { ... }
fn create_media_element_source(
&self,
media: MediaElement
) -> MediaElementAudioSourceNode { ... }
fn create_buffer_source(&self) -> AudioBufferSourceNode { ... }
fn create_panner(&self) -> PannerNode { ... }
fn create_analyser(&self) -> AnalyserNode { ... }
fn create_periodic_wave(
&self,
options: Option<PeriodicWaveOptions>
) -> PeriodicWave { ... }
fn create_audio_param(
&self,
opts: AudioParamOptions,
dest: &AudioNodeId
) -> (AudioParam, AudioParamId) { ... }
fn destination(&self) -> DestinationNode { ... }
fn listener(&self) -> AudioListener { ... }
fn sample_rate(&self) -> SampleRate { ... }
fn current_time(&self) -> f64 { ... }
}
Expand description
Retrieve the BaseAudioContext
from the concrete AudioContext
Required methods
fn base(&self) -> &BaseAudioContext
fn base(&self) -> &BaseAudioContext
retrieves the BaseAudioContext
associated with the concrete AudioContext
Provided methods
fn create_oscillator(&self) -> OscillatorNode
fn create_oscillator(&self) -> OscillatorNode
Creates an OscillatorNode
, a source representing a periodic waveform. It basically
generates a tone.
fn create_stereo_panner(&self) -> StereoPannerNode
fn create_stereo_panner(&self) -> StereoPannerNode
Creates an StereoPannerNode
to pan a stereo output
fn create_gain(&self) -> GainNode
fn create_gain(&self) -> GainNode
Creates an GainNode
, to control audio volume
fn create_constant_source(&self) -> ConstantSourceNode
fn create_constant_source(&self) -> ConstantSourceNode
Creates an ConstantSourceNode
, a source representing a constant value
fn create_iir_filter(
&self,
feedforward: Vec<f64>,
feedback: Vec<f64>
) -> IirFilterNode
fn create_iir_filter(
&self,
feedforward: Vec<f64>,
feedback: Vec<f64>
) -> IirFilterNode
Creates an IirFilterNode
Arguments
feedforward
- An array of the feedforward (numerator) coefficients for the transfer function of the IIR filter. The maximum length of this array is 20feedback
- An array of the feedback (denominator) coefficients for the transfer function of the IIR filter. The maximum length of this array is 20
fn create_delay(&self, max_delay_time: f32) -> DelayNode
fn create_delay(&self, max_delay_time: f32) -> DelayNode
Creates a DelayNode
, delaying the audio signal
fn create_biquad_filter(&self) -> BiquadFilterNode
fn create_biquad_filter(&self) -> BiquadFilterNode
Creates an BiquadFilterNode
which implements a second order filter
fn create_wave_shaper(&self) -> WaveShaperNode
fn create_wave_shaper(&self) -> WaveShaperNode
Creates a WaveShaperNode
fn create_channel_splitter(&self, number_of_outputs: u32) -> ChannelSplitterNode
fn create_channel_splitter(&self, number_of_outputs: u32) -> ChannelSplitterNode
Creates a ChannelSplitterNode
fn create_channel_merger(&self, number_of_inputs: u32) -> ChannelMergerNode
fn create_channel_merger(&self, number_of_inputs: u32) -> ChannelMergerNode
Creates a ChannelMergerNode
fn create_media_stream_source<M: MediaStream>(
&self,
media: M
) -> MediaStreamAudioSourceNode
fn create_media_stream_source<M: MediaStream>(
&self,
media: M
) -> MediaStreamAudioSourceNode
Creates a MediaStreamAudioSourceNode
from a MediaElement
fn create_media_element_source(
&self,
media: MediaElement
) -> MediaElementAudioSourceNode
fn create_media_element_source(
&self,
media: MediaElement
) -> MediaElementAudioSourceNode
Creates a MediaElementAudioSourceNode
from a MediaElement
Note: do not forget to start()
the node.
fn create_buffer_source(&self) -> AudioBufferSourceNode
fn create_buffer_source(&self) -> AudioBufferSourceNode
Creates an AudioBufferSourceNode
Note: do not forget to start()
the node.
fn create_panner(&self) -> PannerNode
fn create_panner(&self) -> PannerNode
Creates a PannerNode
fn create_analyser(&self) -> AnalyserNode
fn create_analyser(&self) -> AnalyserNode
Creates a AnalyserNode
fn create_periodic_wave(
&self,
options: Option<PeriodicWaveOptions>
) -> PeriodicWave
fn create_periodic_wave(
&self,
options: Option<PeriodicWaveOptions>
) -> PeriodicWave
Creates a periodic wave
fn create_audio_param(
&self,
opts: AudioParamOptions,
dest: &AudioNodeId
) -> (AudioParam, AudioParamId)
fn create_audio_param(
&self,
opts: AudioParamOptions,
dest: &AudioNodeId
) -> (AudioParam, AudioParamId)
Create an AudioParam
.
Call this inside the register
closure when setting up your AudioNode
fn destination(&self) -> DestinationNode
fn destination(&self) -> DestinationNode
Returns an AudioDestinationNode
representing the final destination of all audio in the
context. It can be thought of as the audio-rendering device.
fn listener(&self) -> AudioListener
fn listener(&self) -> AudioListener
Returns the AudioListener
which is used for 3D spatialization
fn sample_rate(&self) -> SampleRate
fn sample_rate(&self) -> SampleRate
The sample rate (in sample-frames per second) at which the AudioContext
handles audio.
fn current_time(&self) -> f64
fn current_time(&self) -> f64
This is the time in seconds of the sample frame immediately following the last sample-frame in the block of audio most recently processed by the context’s rendering graph.