batch transcode using AWS Elastic Transcoder

transcode.js

const AWS= require('aws-sdk');

AWS.config.update({region: 'ap-southeast-2'}); // set your region here

const elastictranscoder = new AWS.ElasticTranscoder();

const s3 = new AWS.S3();

var params = {
  Bucket: 'my-bucket',
}

s3.listObjects(params, function (err, data) {
  if (err) throw err;
  for (let i = 0; i < data.Contents.length ; i++) {
    let inputKey = data.Contents[i].Key;
    if (inputKey.endsWith('.MOV')) {
      let output720Key = inputKey.replace('.MOV','_720p.mp4');
      let output1080Key = inputKey.replace('.MOV','_1080p.mp4');

      elastictranscoder.createJob({
        PipelineId: '1526599050314-tqkw92', // specifies output/input buckets in S3
        Input: {
          Key: inputKey,
          FrameRate: 'auto',
          Resolution: 'auto',
          AspectRatio: 'auto',
          Interlaced: 'auto',
          Container: 'auto'
        },
        Output: {
          Key: output1080Key,
          ThumbnailPattern: '',
          PresetId: '1351620000001-000001', // specifies the output video format as generic 1080p
          Rotate: 'auto'
        }
      }, function(err, data) {
        if (err) throw err;
        console.log(data);
      });

      elastictranscoder.createJob({
        PipelineId: 'PipelineId', // specifies output/input buckets in S3
        Input: {
          Key: inputKey,
          FrameRate: 'auto',
          Resolution: 'auto',
          AspectRatio: 'auto',
          Interlaced: 'auto',
          Container: 'auto'
        },
        Output: {
          Key: output720Key,
          ThumbnailPattern: '',
          PresetId: '1351620000001-000010', // specifies the output video format as generic 1080p
          Rotate: 'auto'
        }
      }, function(err, data) {
        if (err) throw err;
        console.log(data);
      });
    }
  }
});