diff options
Diffstat (limited to 'testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/processors/add-offset.js')
-rw-r--r-- | testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/processors/add-offset.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/processors/add-offset.js b/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/processors/add-offset.js new file mode 100644 index 0000000000..d05056bd84 --- /dev/null +++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/processors/add-offset.js @@ -0,0 +1,34 @@ +/* + * @class AddOffsetProcessor + * @extends AudioWorkletProcessor + * + * Just adds a fixed value to the input + */ +class AddOffsetProcessor extends AudioWorkletProcessor { + constructor(options) { + super(); + + this._offset = options.processorOptions.offset; + } + + process(inputs, outputs) { + // This processor assumes the node has at least 1 input and 1 output. + let input = inputs[0]; + let output = outputs[0]; + let outputChannel = output[0]; + + if (input.length > 0) { + let inputChannel = input[0]; + for (let k = 0; k < outputChannel.length; ++k) + outputChannel[k] = inputChannel[k] + this._offset; + } else { + // No input connected, so pretend it's silence and just fill the + // output with the offset value. + outputChannel.fill(this._offset); + } + + return true; + } +} + +registerProcessor('add-offset-processor', AddOffsetProcessor); |