Detecting Network Failure on RtpSrc (RtpBin)

[Paddy]

I've just posted a solution for catching stream timeout  here
<http://gstreamer-devel.966125.n4.nabble.com/RTSP-rtspsrc-how-to-catch-stream-timeout-td4658172.html> 
.

I also had some code in the pipeline error handler to catch the initial
condition of no connection:

gst_message_parse_error(message, &error, &dbg);
if (g_str_has_prefix(GST_OBJECT_NAME(message->src), "rtspsrc"))
{
    // RTSPSRC has generated an error
    switch (error->code)
    {
        case  GST_RESOURCE_ERROR_OPEN_READ:
        case  GST_RESOURCE_ERROR_OPEN_WRITE:
        case  GST_RESOURCE_ERROR_OPEN_READ_WRITE:
            ....

This copes with my problem that when one of my 2 rtspsrc's go offline the
entire pipeline stalls - I spoof out the camera feed with a videotestsrc &
inject that to keep the pipelines flowing.

THis works pretty well for me - it may help you.

What I haven't quite worked out is how to detect when the camera comes back
online



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