n8n-nodes-wechat-pad-pro/dist/nodes/audioUtils.js

n8n node for WeChatPadPro, allowing you to automate WeChat messaging and interactions within your n8n workflows. Support WeChatPadPro0859

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.silkToWavBase64 = silkToWavBase64;
exports.silkToPcmBase64 = silkToPcmBase64;
const pcmUtil = __importStar(require("pcm-util"));
const silk_wasm_1 = require("silk-wasm");
const node_wav_1 = require("node-wav");
async function silkToWavBase64(silkBuffer) {
    const pcmData = await (0, silk_wasm_1.decode)(silkBuffer, 24000);
    console.log('🚀 ~ pcmData:', pcmData);
    const audioBuffer = pcmUtil.toAudioBuffer(pcmData.data, {
        bitDepth: 16,
        channels: 1,
        sampleRate: 24000,
    });
    const channelData = [];
    for (let i = 0; i < audioBuffer.numberOfChannels; i++) {
        channelData.push(audioBuffer.getChannelData(i));
    }
    const wavBuffer = (0, node_wav_1.encode)(channelData, { sampleRate: audioBuffer.sampleRate, float: true, bitDepth: 16 });
    return wavBuffer.toString('base64');
}
async function silkToPcmBase64(silkBuffer) {
    const pcmData = await (0, silk_wasm_1.decode)(silkBuffer, 24000);
    return pcmData.data.toString();
}
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