This blog is a follow up of our IBC announcement a few days ago for adding Widevine capability on the platform. Now you could either develop using .NET SDK 3.5.1 or Azure Media Services Explorer Tool to add Widevine header in a common encrypted DASH stream easily.
1. Update .NET SDK 3.5.1 or higher version into your project through Nuget.
2. I have uploaded a sample code project in Github for configure both PlayReady and Widevine packaging on a particular asset through Dynamic Encryption feature. In order to do this, you will need at least 1 Reserved Streaming unit configured on your media services account.
3. When you open this project, the first thing is to replace Account Name and Account Key in app.config file. Read more here