# about   nDVR play HLS DVR real-time stream

**URL:** <https://community.wowza.com/t/about-ndvr-play-hls-dvr-real-time-stream/55741>\
**Category:** Wowza Streaming Engine\
**Created:** [August 21, 2020, 1:35pm UTC](https://community.wowza.com/t/about-ndvr-play-hls-dvr-real-time-stream/55741 "2020-08-21T13:35:21Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![11176](https://avatars.discourse-cdn.com/v4/letter/1/73ab20/32.png) [@11176](https://community.wowza.com/u/11176)\
**Post date:** [August 21, 2020, 1:35pm UTC](https://community.wowza.com/t/about-ndvr-play-hls-dvr-real-time-stream/55741/1 "2020-08-21T13:35:21Z")

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I used wowza’s nDVR function, but shaka Player could not play HLS DVR real-time stream

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**Author:** ![video\_streaming](https://avatars.discourse-cdn.com/v4/letter/v/22d042/32.png) [@video\_streaming](https://community.wowza.com/u/video_streaming)\
**Post date:** [August 21, 2020, 7:59pm UTC](https://community.wowza.com/t/about-ndvr-play-hls-dvr-real-time-stream/55741/2 "2020-08-21T19:59:15Z")

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I can try and help you here. HLS is not a real-time streaming protocol. It will always have some latency as the playback requires a certain amount of segments before it will begin.

**Also and perhaps even more importantly:**

1. Shaka Player is a JavaScript library from Google that delivers audio and video content to any type of device using MPEG-DASH streaming.

2. Captions and DVR playback aren’t supported in Shaka Player.

[https://www.wowza.com/docs/how-to-use-google-shaka-player-with-wowza-streaming-engine-mpeg-dash](https://www.wowza.com/docs/how-to-use-google-shaka-player-with-wowza-streaming-engine-mpeg-dash)