Wowza nDVR technology in Wowza Streaming Engine™ media server software provides the ability to record a live stream with while simultaneously allowing users to play, pause, resume, and rewind the recorded stream. You can configure settings and properties to control the archive strategy and availability of the recorded streams.
The following HTTP-based streaming protocols support DVR playback of nDVR-recorded streams:
- Adobe HTTP Dynamic Streaming (Adobe HDS/San Jose)
- Apple HTTP Live Streaming (Apple HLS/Cupertino)
- Microsoft Smooth Streaming (Smooth)
Setup for client DVR playback of the recorded streams is similar to playback of live streams from a Wowza Streaming Engine server.
Wowza nDVR works with Wowza Streaming Engine and Wowza Media Server™ version 3 and later.
Wowza nDVR requires that the audio and video in the inbound live stream be aligned. Live streams with short keyframe intervals and aligned audio and video work best.
Perpetual and Subscription licenses for Wowza Streaming Engine provide for unlimited connections to the Wowza Streaming Engine instance and enable use of the Wowza nDVR technology that's integrated with each licensed instance.
Note: If you purchased a license for Wowza Streaming Engine or Wowza Media Server before January 1, 2015, contact email@example.com to learn more about how to license Wowza nDVR.