Monitor WebRTC stream from the Browser

[Tim McClure]

This there a way through the webrtc protocol to know if a stream is coming into a Chrome browser.  We are using webrtc to stream from cameras connected to Wowza.  We have 2 scenarios:

1.  The video is streaming and the camera is unplugged - the browser freezes with a still image of the last frame.  We would like a mechanism the browser can use to know it is no longer getting video.

2.  Camera are streaming from a camera and a network condition causes the feed to freeze in the browser.  We would like a mechanism that would notice is still occurs so we can automatically refresh the video - refreshing the video generally fixes this issue.

Any insight on how to automate this capability would be greatly appreciated.

Thanks,

Tim McClure

[Philipp Hancke]

2018-01-31 16:04 GMT+01:00 Tim McClure <tjmccl...@gmail.com>:

This there a way through the webrtc protocol to know if a stream is coming into a Chrome browser.  We are using webrtc to stream from cameras connected to Wowza.  We have 2 scenarios:

1.  The video is streaming and the camera is unplugged - the browser freezes with a still image of the last frame.  We would like a mechanism the browser can use to know it is no longer getting video.

Use the getStats API as demonstrated on 

https://webrtc.github.io/samples/src/content/peerconnection/constraints/

-- in this particular case framesDecoded should not increase anymore on the receiving (right) end on the report with type=inbound-rtp

 

2.  Camera are streaming from a camera and a network condition causes the feed to freeze in the browser.  We would like a mechanism that would notice is still occurs so we can automatically refresh the video - refreshing the video generally fixes this issue.

Check the ice connection status. https://blog.mozilla.org/webrtc/ice-disconnected-not/ describes this quite nicely and tells you about ice restarts.

 

Any insight on how to automate this capability would be greatly appreciated.

Thanks,

Tim McClure

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