Transcode to iPad

index.js

var ffmpeg = require('fluent-ffmpeg');

function Transcode(filename, callback) {
  var encoder = new ffmpeg({ source: filename, timeout: 6000});
  require('./iPadPreset').load(encoder).saveToFile('/tmp/target.m4v', function(retcode, error) {
    console.log("retcode = " + retcode);
    console.log("error = " + error);
  });
}

Transcode(__dirname + "/test/src/9bZkp7q19f0.flv");

iPadPreset.js

exports.load = function(ffmpeg) {
  ffmpeg
    .toFormat('m4v')
    .withVideoBitrate('1200k')
    .withVideoCodec('libx264')
    .withSize('1024x768')
    .withAudioBitrate('128k')
    .withAudioCodec('libvo_aacenc')
    .withAudioChannels(2)
    .addOptions(['-flags', '+loop+mv4', '-cmp', '+chroma', '-partitions','+parti4x4+partp8x8+partb8x8', '-flags2',
      '+mixed_refs', '-me_method umh', '-subq 5', '-bufsize 2M', '-rc_eq \'blurCplx^(1-qComp)\'',
      '-qcomp 0.6', '-qmin 10', '-qmax 51', '-qdiff 4', '-level 30' ]);
  return ffmpeg;
};

package.json

{
  "name": "transcode-to-ipad",
  "version": "0.0.0",
  "description": "Transcode to iPad preset",
  "main": "index.js",
  "scripts": {
    "test": "mocha"
  },
  "repository": "",
  "keywords": [
    "transcode",
    "ipad",
    "movie",
    "podcast"
  ],
  "author": "Jeong, Heon",
  "license": "MIT",
  "dependencies": {
    "fluent-ffmpeg": "~1.1.7"
  }
}