# Media source extension video player for live streaming mp4

**URL:** <https://discourse.nodered.org/t/media-source-extension-video-player-for-live-streaming-mp4/31958>\
**Category:** Developing Nodes\
**Created:** [24 August 2020 15:35 UTC](https://discourse.nodered.org/t/media-source-extension-video-player-for-live-streaming-mp4/31958 "2020-08-24T15:35:50Z")\
**Posts on this page:** 3\
**Page:** 4

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**Author:** ![kevinGodell](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/kevingodell/32/27040_2.png) [@kevinGodell](https://discourse.nodered.org/u/kevinGodell)\
**Post date:** [5 September 2020 21:35 UTC](https://discourse.nodered.org/t/media-source-extension-video-player-for-live-streaming-mp4/31958/61 "2020-09-05T21:35:54Z")

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Something strange happened. My mp4frag was receiving the buffer payload from exec  
running ffmpeg and after maybe a half hour running, it received a payload with the string "yp". Is that normal? Perhaps node-red sends intermittent messages to see if nodes are alive? I am adding better input filtering to determine what this is. Happened a few times so far.

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**Author:** ![BartButenaers](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/bartbutenaers/32/10476_2.png) [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Post date:** [5 September 2020 21:58 UTC](https://discourse.nodered.org/t/media-source-extension-video-player-for-live-streaming-mp4/31958/62 "2020-09-05T21:58:44Z")

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> [@kevinGodell](#):
>
> Perhaps node-red sends intermittent messages to see if nodes are alive?

No, that won't be the case.  
Perhaps you can set a conditional breakpoint in the exec node, which is triggered when the output msg payload equals "yp".

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [4 November 2020 21:58 UTC](https://discourse.nodered.org/t/media-source-extension-video-player-for-live-streaming-mp4/31958/63 "2020-11-04T21:58:54Z")

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