@jxstjh/jhvideo/src/utils/AudioEncodeProcessor.worklet.js

HTML5 jhvideo base on MPEG2-TS Stream Player

/**
 * ResampleProcessor
 */
import PCMProcessor from './pcm-processor.js'

class AudioEncodeProcessor extends AudioWorkletProcessor {
    constructor(options) {
        super()
        // console.log(...arguments)
        let { processorOptions } = options
        this._processor = new PCMProcessor(processorOptions, (samples) => {
            this.port.postMessage(samples)
        })
    }

    process(inputs, outputs, parameters) {
        let input = inputs[0]
        if (input.length === 0) return true

        let chunk = input[0]
        if (chunk[0] === 0) return true
        // console.log(inputs, outputs, parameters)
        // 可在此将PCM原始音频数据传递给主线程进行其他操作，如写文件等。
        // this.port.postMessage({ type: 'origin', inputs })

        // 加工处理PCM音频数据
        this._processor.input(chunk)

        return true
    }
}

registerProcessor('AudioEncodeProcessor', AudioEncodeProcessor)