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https://github.com/aws-solutions/live-streaming-on-aws-with-amazon-s3

Live streaming on AWS with Amazon S3 automatically configures AWS Elemental MediaLive, Amazon S3 and Amazon CloudFront to ingest, encode, package and deliver a single source live stream through the AWS Cloud. The Solution provides 3 Encoding profiles to support 1080p through 288p HTTP live streaming (HLS) outputs.
https://github.com/aws-solutions/live-streaming-on-aws-with-amazon-s3

aws cloudfront live-streaming medialive ott s3

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Live streaming on AWS with Amazon S3 automatically configures AWS Elemental MediaLive, Amazon S3 and Amazon CloudFront to ingest, encode, package and deliver a single source live stream through the AWS Cloud. The Solution provides 3 Encoding profiles to support 1080p through 288p HTTP live streaming (HLS) outputs.

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# Live Streaming on AWS with Amazon S3



Live streaming on AWS with Amazon S3 automatically configures AWS Elemental MediaLive, Amazon S3 and Amazon CloudFront to ingest, encode, package and deliver a single source live stream through the AWS Cloud. The Solution provides 3 Encoding profiles to support 1080p through 288p HTTP live streaming (HLS) outputs. For more details see the [solution home page](https://aws.amazon.com/solutions/live-streaming-on-aws/). 



The solution was developed using the [AWS Cloud Development Kit]() and also leverages a AWS Solutions Construct [CloudFrontToS3](https://docs.aws.amazon.com/solutions/latest/constructs/aws-cloudfront-s3.html)



## On this Page

- [Architecture Overview](#architecture-overview)

- [Encoding Profiles](#encoding-profiles)

- [Deployment](#deployment)

- [Creating a custom Build](#creating-a-custom-build)

- [License](#license)



## Architecture Overview

![Architecture](architecture.png)



## Input Options

The solution supports RTP Push, RTMP push, HLS and [AWS Elemental Link](https://aws.amazon.com/medialive/features/link/) input types. For more detialed instructions see the implementation guide on the [solution home page](https://aws.amazon.com/solutions/live-streaming-on-aws/). 



## Encoding Profiles:



* HD-1080p profile: 1920x1080, 1280x720, 960x540, 768x432, 640x360, 512x288

* HD-720p profile: 1280x720, 960x540, 768x432, 640x360, 512x288

* SD-540p profile:  960x540, 768x432, 640x360, 512x288



## Deployment

The solution can be deployed through the CloudFormation template available on the [solution home page](https://aws.amazon.com/solutions/live-streaming-on-aws/).



## Creating a custom build



### Prerequisites:

* [AWS Command Line Interface](https://aws.amazon.com/cli/)

* Node.js 12.x or later

* AWS CDK 1.102.0



The are 2 options for deploying the solution: using the CDK deployment tools or running the build script to generate a CFN template and the packaged lambda code.



### Options 1: Deploying through the CDK.

This options simply flollows the standard CDK deployment process. You will need to run `cdk bootstrap` before you run cdk deply the first time to setup the cdk resource in your AWS account. Details on using the CDK can be found [here].



1. Download or clone the repo and make the required changes to the source code.

2. installl the dependecies for the lambda function and construct.

3. then run `cdk deploy` (first time use you will need to run `cdk bootstrap` first)



```

cd ./source/custom-resource

npm install --production

cd ../constructs

npm install 

cdk bootstrap //if you havent already done so.

cdk deploy

```



### Option 2: Generate a CloudFormation template.

The CloudFormation template (generated by the CDK) includes a lambda backed custom resource to configure MediaLive and create a UUID. To launch the solution the Lambda source code has to be deployed to an Amazon S3 bucket in the region you intend to deploy the solution. 



### 1. Clone the repo

Download or clone the repo and make the required changes to the source code.



### 2. Running unit tests for customization

Run unit tests to make sure added customization passes the tests:

```

cd ./deployment

chmod +x ./run-unit-tests.sh && ./run-unit-tests.sh

```



### 3. Create an Amazon S3 Bucket

The CloudFormation template is configured to pull the Lambda deployment packages from Amazon S3 bucket in the region the template is being launched in. Create a bucket in the desired region with the region name appended to the name of the bucket. eg: for us-east-1 create a bucket named: `my-bucket-us-east-1`

```

aws s3 mb s3://my-bucket-us-east-1

```



### 4. Create the deployment packages

Build the distributable:

```

chmod +x ./build-s3-dist.sh

./build-s3-dist.sh  live-streaming-on-aws-with-amazon-s3 

```



> **Notes**: The _build-s3-dist_ script expects the bucket name as one of its parameters. This value should not have the region suffix (remove the -us-east-1)



Ensure that you are owner of the AWS S3 bucket. 

```

aws s3api head-bucket --bucket my-bucket-us-east-1 --expected-bucket-owner YOUR-AWS-ACCOUNT-NUMBER

```



Deploy the distributable to the Amazon S3 bucket in your account:

```

aws s3 sync ./regional-s3-assets/ s3://my-bucket-us-east-1/live-streaming-on-aws-with-amazon-s3// 

aws s3 sync ./global-s3-assets/ s3://my-bucket-us-east-1/live-streaming-on-aws-with-amazon-s3// 

```



### 5. Launch the CloudFormation template.

* Get the link of the live-streaming-on-aws-with-amazon-s3.template uploaded to your Amazon S3 bucket.

* Deploy the solution.



## Deploying with minimum permissions



When deploying this solution you may have a DevOps operator IAM user that deploys this CloudFormation template. The json file located at the following directory is the minimum IAM permissions that an AWS IAM user needs to be able to deploy the CloudFormation template successfully. 



`deployment/min_user_iam_deploy.json`



## License



* This project is licensed under the terms of the Apache 2.0 license. See `LICENSE`.



This solution collects anonymized operational metrics to help AWS improve the

quality of features of the solution. For more information, including how to disable

this capability, please see the [implementation guide](https://docs.aws.amazon.com/solutions/latest/live-streaming-on-aws-with-amazon-s3/welcome.html).