45 lines
1.2 KiB
JavaScript
45 lines
1.2 KiB
JavaScript
// @flow
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import { getJitsiMeetGlobalNS, loadScript } from '../base/util';
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let loadRnnoisePromise;
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/**
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* Returns promise that resolves with a RnnoiseProcessor instance.
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*
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* @returns {Promise<RnnoiseProcessor>} - Resolves with the blur effect instance.
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*/
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export function createRnnoiseProcessorPromise() {
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// Subsequent calls should not attempt to load the script multiple times.
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if (!loadRnnoisePromise) {
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loadRnnoisePromise = loadScript('libs/rnnoise-processor.min.js');
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}
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return loadRnnoisePromise.then(() => {
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const ns = getJitsiMeetGlobalNS();
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if (ns?.effects?.rnnoise?.createRnnoiseProcessor) {
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return ns.effects.rnnoise.createRnnoiseProcessor();
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}
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throw new Error('Rnnoise module binding createRnnoiseProcessor not found!');
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});
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}
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/**
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* Get the accepted sample length for the rnnoise library. We might want to expose it with flow libdefs.
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*
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* @returns {number}
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*/
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export function getSampleLength() {
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const ns = getJitsiMeetGlobalNS();
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const rnnoiseSample = ns?.effects?.rnnoise?.RNNOISE_SAMPLE_LENGTH;
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if (!rnnoiseSample) {
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throw new Error('Please call createRnnoiseProcessorPromise first or wait for promise to resolve!');
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}
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return rnnoiseSample;
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}
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