convert.js

var Metalib = require('fluent-ffmpeg').Metadata;
var ffmpeg = require('fluent-ffmpeg');
var q = require('q');
var filename = process.argv[2] || null;

if (!filename) {
  console.log('No source file provided');
  return;
}

console.log('Converting: ' + filename);
console.log('to: webm, ogv & mp4...');

// make sure you set the correct path to your video file
var metaObject = new Metalib(filename, function(metadata, err) {

  if (metadata.durationsec > 300) {
    console.log('Video is longer than 5 minutes');
    return;
  }

});

var webm = q.defer();
var ogv = q.defer();
var mp4 = q.defer();

var processOgv = new ffmpeg({
    source: filename,
    timeout: 180
}).withVideoBitrate(1024)
  .withSize('1024x?')
  .applyAutopadding(true, 'white')
  .withVideoCodec('libtheora')
  .withAspect('16:9')
  .withFps(24)
  .withAudioBitrate('128k')
  .withAudioChannels(2)
  .withAudioCodec('libvorbis')
  .saveToFile('./output.ogv', function(stdout, stderr) {
    if (stderr) {
      ogv.reject(stderr);
    } else {
      ogv.resolve(stdout);
    }
  });


var processWebm = new ffmpeg({
    source: filename,
    timeout: 180
}).withVideoBitrate(1024)
  .withSize('1024x?')
  .applyAutopadding(true, 'white')
  .withVideoCodec('libvpx')
  .withAspect('16:9')
  .withFps(24)
  .withAudioBitrate('128k')
  .withAudioCodec('libvorbis')
  .withAudioChannels(2)
  .toFormat('webm')
  .saveToFile('./output.webm', function(stdout, stderr) {
    if (stderr) {
      webm.reject(stderr);
    } else {
      webm.resolve(stdout);
    }
  });



var processMp4 = new ffmpeg({
    source: filename,
    timeout: 180
}).withVideoBitrate(1024)
  .withSize('1024x?')
  .applyAutopadding(true, 'white')
  .withVideoCodec('libx264')
  .withAspect('16:9')
  .withFps(24)
  .withAudioBitrate('128k')
  .withAudioChannels(2)
  .toFormat('mp4')
  .saveToFile('./output.mp4', function(stdout, stderr) {
    if (stderr) {
      mp4.reject(stderr);
    } else {
      mp4.resolve(stdout);
    }
  });



q.allSettled([
  webm.promise,
  ogv.promise,
  mp4.promise,
]).then(function (results) {
  var errors = [];
  results.forEach(function (result) {
    if (result.state === "fulfilled") {
      var value = result.value;
    } else {
      errors.pop(result.reason);
    }
  });

  if (errors.length === 0) {
    console.log('SUCCESS!');
  } else {
    console.log('SOMETHING WENT WRONG');
    console.log(errors);
  }
});