mediainfo.js

'use strict';
const fs = require('fs');
const fsp = fs.promises;
const MediaInfo = require('mediainfo.js');
const path = require('path');

async function readMediaFile(filePath) {
  let fileHandle;
  let mediainfo;
  try {
    fileHandle = await fsp.open(filePath, 'r');
    mediainfo = await MediaInfo({ chunkSize: 1024*1024, format: 'JSON', cover_data: true });
    const getSize = async () => (await fileHandle.stat()).size
    const readChunk = async (size, offset) => {
      const buffer = new Uint8Array(size)
      await fileHandle.read(buffer, 0, size, offset)
      return buffer
    }
    const result = await mediainfo.analyzeData(getSize, readChunk);
    console.log(result)
  } catch (error) {
    console.error(error)
  } finally {
    fileHandle && (await fileHandle.close())
    mediainfo && mediainfo.close()
  }
}

module.exports.readMediaFile = readMediaFile;