Struct SoundDataSourceNode

Source

pub struct SoundDataSourceNode { /* private fields */ }

Implementations§

Source §

impl SoundDataSourceNode

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pub fn ended(&self) -> bool

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pub fn try_start(&self, time: f64) -> Result<(), GraphError>

Examples found in repository ?

examples/sound_data_bridge.rs (line 95)

91fn build_bridge(context: &mut AudioContext) -> Result<AnalyserNode, Box<dyn Error>> {
92    let source = context.create_sound_data_source(ProceduralPhrase {
93        notes: vec![(261.63, 0.35), (329.63, 0.35), (392.0, 0.5), (523.25, 0.7)],
94    });
95    source.try_start(0.0)?;
96    source.try_stop(2.2)?;
97
98    let filter = context.create_biquad_filter();
99    filter.set_type(BiquadFilterType::Lowpass);
100    filter.frequency().set_value_at_time(700.0, 0.0)?;
101    filter
102        .frequency()
103        .linear_ramp_to_value_at_time(2_200.0, 1.6)?;
104    let pan = context.try_create_stereo_panner_with_options(StereoPannerOptions { pan: -0.3 })?;
105    pan.pan().linear_ramp_to_value_at_time(0.3, 2.0)?;
106    let analyser = context.create_analyser();
107    let output = context.create_gain();
108    output.gain().set_value(0.65)?;
109
110    context.connect(&source, &filter)?;
111    context.connect(&filter, &pan)?;
112    context.connect(&pan, &output)?;
113    context.connect(&output, &analyser)?;
114    context.connect(&analyser, context.destination())?;
115    Ok(analyser)
116}

Source

pub fn try_stop(&self, time: f64) -> Result<(), GraphError>

Examples found in repository ?

examples/sound_data_bridge.rs (line 96)

91fn build_bridge(context: &mut AudioContext) -> Result<AnalyserNode, Box<dyn Error>> {
92    let source = context.create_sound_data_source(ProceduralPhrase {
93        notes: vec![(261.63, 0.35), (329.63, 0.35), (392.0, 0.5), (523.25, 0.7)],
94    });
95    source.try_start(0.0)?;
96    source.try_stop(2.2)?;
97
98    let filter = context.create_biquad_filter();
99    filter.set_type(BiquadFilterType::Lowpass);
100    filter.frequency().set_value_at_time(700.0, 0.0)?;
101    filter
102        .frequency()
103        .linear_ramp_to_value_at_time(2_200.0, 1.6)?;
104    let pan = context.try_create_stereo_panner_with_options(StereoPannerOptions { pan: -0.3 })?;
105    pan.pan().linear_ramp_to_value_at_time(0.3, 2.0)?;
106    let analyser = context.create_analyser();
107    let output = context.create_gain();
108    output.gain().set_value(0.65)?;
109
110    context.connect(&source, &filter)?;
111    context.connect(&filter, &pan)?;
112    context.connect(&pan, &output)?;
113    context.connect(&output, &analyser)?;
114    context.connect(&analyser, context.destination())?;
115    Ok(analyser)
116}