[Live-devel] VLC player long load times

[Dave Shapiro]

It appears that we were not using the RTP over RTSP option in the
viewer. After making this change, the stream loads in 3-4 seconds.

Hopefully this thread helps someone in the future :)

On Wed, Feb 7, 2018 at 11:24 PM, Dave Shapiro <dave at scoutalarm.com> wrote:
> Hi Ross,
>
> We are seeing it take between 14-18 seconds for video to show up when
> connecting a VLC player to a remote Live555 proxy server.
>
> When we run the proxy server locally, we see the player take between
> 3-4 seconds to load video.
>
> At first we suspected it was a bandwidth issue, but in both cases once
> the video is streaming the delay when something happens in-real-life
> takes only a few seconds to show up in player.
>
> After some debugging it appears that it has something to do with
> handshake between the upstream client and the proxy. When running the
> server in verbose, we see the following output:
>
> https://gist.github.com/dsshap/1aeb44c4cdd4a90e06e010bfca6f499f
>
> The proxy tells the camera to SETUP and PLAY, then there is a 10sec
> delay starting 04:52:47.823, after the delay the proxy closes the
> camera stream and reopens it (04:52:57.430). We see the player start
> showing video 2 seconds later (04:52:59.290)
>
> Below is an rtsp url we used to consume the stream. Are you able to
> see what is causing the 10 sec delay?
>
> rtsp://35.171.178.112:8554/scf5dc26



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