Difficulty getting a good example of the RTSP server running under Windows

[Ben Rush]

Thank you so much for your feedback. I'll try your suggestions and report
back.

On Mon, Apr 15, 2019, 01:14 Thornton, Keith <keith.thornton at zeiss.com wrote:

> Hi, I have a streaming Server running on windows which is based on appsrc.
> It Works well. I also use the Intel Media SDK Encoder. I am currently using
> the msdkh264enc Plugin which is part of the 1.15 and 1.16 release. The
> problems you are seeing are client side problems. If you use a gstreamer
> based client, the stuttering at the start doesn’t occur. The black screen
> may be due to the client throwing the frames away because they are past the
> presentation time. Check this by turning the VLC messages to level 2 and by
> using wireshark to observe the arrival of the frames on the client side.
>
> Gruesse
>
>
>
> *Von:* gstreamer-devel <gstreamer-devel-bounces at lists.freedesktop.org> *Im
> Auftrag von *Ben Rush
> *Gesendet:* Montag, 15. April 2019 05:45
> *An:* Discussion of the development of and with GStreamer <
> gstreamer-devel at lists.freedesktop.org>
> *Betreff:* Difficulty getting a good example of the RTSP server running
> under Windows
>
>
>
> I'm trying to find a good starting point upon which to develop an RTSP
> streaming server application using GStreamer and RTSP on Windows. I've
> installed GStreamer as per these instructions:
> https://gstreamer.freedesktop.org/documentation/installing/on-windows.html,
> however, the samples specific to the RTSP server thus far haven't worked
> very well, and I'm wondering if others have any input/experience.
>
>
> First, this example:
> https://github.com/GStreamer/gst-rtsp-server/blob/master/examples/test-appsrc.c builds
> and runs, but the output (at least when viewed over VLC) is just a black
> screen. The client connects, and the scrubber shows time moving forward,
> but the video is black. Examining the code, it appears it ought to
> alternate between black and white, but it does not.
>
> If I adapt that example to use videotestsrc as the video source, setting
> the string parameter of gst_rtsp_media_factory_set_launch to "(
> videotestsrc is-live=true ! videoconvert ! x264enc tune=zerolatency
> speed-preset=veryfast ! rtph264pay name=pay0 pt=96 )", I get the "color
> bars" and white noise video, but it stutters for a second or two, and then
> pauses for exactly ten seconds and then starts to play normally. I use the
> x264 encoder in the Live555 streaming server, and with similar parameters,
> I get no stutter in playback. I have to believe this is an encoder setting
> and not a failure of the RTSP server, but adjusting different parameters
> doesn't seem to impact this stutter. Obviously, in our production
> environment, we cannot have this kind of stutter.
>
> Finally, I have been completely unable to get any of the Intel Media SDK
> to work, specifically their x264 encoder, and I'm curious if anyone has any
> experience there either. I know this isn't a group specific to these
> plugins, but perhaps someone has experience with these plugins. I opened
> the following issue on their repo:
> https://github.com/intel/gstreamer-media-SDK/issues/169, but thus far
> haven't heard anything.
>
> I think what I'm looking for is just feedback to these issues so I can
> build confidence this will work on Windows. I haven't tried these
> particular examples on Linux, but on a couple of occasions, I've had a lot
> more luck getting GStreamer samples running as advertised under Ubuntu than
> Windows. I need them to run on Windows.
>
> Any feedback would be appreciated. Thanks a bunch for your time.
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