diff options
Diffstat (limited to 'testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/processors/gain-processor.js')
-rw-r--r-- | testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/processors/gain-processor.js | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/processors/gain-processor.js b/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/processors/gain-processor.js new file mode 100644 index 0000000000..e9e130e374 --- /dev/null +++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/processors/gain-processor.js @@ -0,0 +1,38 @@ +/** + * @class GainProcessor + * @extends AudioWorkletProcessor + * + * This processor class demonstrates the bare-bone structure of the processor. + */ +class GainProcessor extends AudioWorkletProcessor { + static get parameterDescriptors() { + return [ + {name: 'gain', defaultValue: 0.707} + ]; + } + + constructor() { + super(); + } + + process(inputs, outputs, parameters) { + let input = inputs[0]; + let output = outputs[0]; + let gain = parameters.gain; + for (let channel = 0; channel < input.length; ++channel) { + let inputChannel = input[channel]; + let outputChannel = output[channel]; + if (gain.length === 1) { + for (let i = 0; i < inputChannel.length; ++i) + outputChannel[i] = inputChannel[i] * gain[0]; + } else { + for (let i = 0; i < inputChannel.length; ++i) + outputChannel[i] = inputChannel[i] * gain[i]; + } + } + + return true; + } +} + +registerProcessor('gain', GainProcessor); |