/// <summary>
/// Create the elements for rendering preview.
/// </summary>
/// <returns>true on success</returns>
protected bool CreateElements()
{
sysDbg.WriteLine("Creating elements...");
try
{
if (mDispSink == null)
{
mDispSink = ElementFactory.Make("autovideosink", "videosink0");
}
GstUtilities.CheckError(mDispSink);
mDispSink["sync"] = false;
if (mQueueDisp == null)
{
mQueueDisp = ElementFactory.Make("queue", "qDisp");
}
GstUtilities.CheckError(mQueueDisp);
if (mTee == null)
{
mTee = ElementFactory.Make("tee", "tee0");
}
GstUtilities.CheckError(mTee);
}
catch (Exception ex)
{
sysDbg.WriteLine("Error creating elements: " + ex.Message);
return(false);
}
return(true);
}
/// <summary>
/// Initializes the Gstreamer pipeline and Glib loop.
/// </summary>
/// <returns></returns>
public bool Connect()
{
GstUtilities.DetectGstPath();
bool r = false;
glibLoop = new GLib.MainLoop();
glibThread = new sysThread.Thread(glibLoop.Run)
{
IsBackground = true
};
if (pipeline == null)
{
pipelineCreated = this.SetupPipeline();
}
if (!pipelineCreated)
{
sysDbg.WriteLine("Error creating pipeline.");
}
StateChangeReturn ret = pipeline.SetState(State.Ready);
r = pipelineCreated && (ret != StateChangeReturn.Failure);
return(r);
}
/// <summary>
/// Setup the source bin. This method can be overridden by inheriting classes for different sources.
/// </summary>
/// <returns>true on success</returns>
protected virtual bool SetupSourceBin()
{
bool ret = true;
CreateElements();
// Empty the bin to start fresh.
foreach (Element e in binSource.IterateElements())
{
binSource.Remove(e);
e.Dispose();
e.Unref();
}
if (padSrcBinSource != null)
{
padSrcBinSource.Unlink(binDecode.GetStaticPad("sink"));
padSrcBinSource = null;
}
sysDbg.WriteLine("Creating rtsp source.");
srcElt = ElementFactory.Make("rtspsrc", "rtspsrc");
if (srcElt == null)
{
throw new YascElementNullException("failed to create rtspsrc.");
}
//srcElt["location"] = "rtsp://*****:*****@cameraxuanthuy.dyndns.org:30553/onvifStreaming?video=0&meta=0";
srcElt["location"] = "rtsp://*****:*****@localhost:8554/test";
srcElt["drop-on-latency"] = true;
srcElt["latency"] = 0;
srcElt.PadAdded += cb_binSrcPadAdded;
ret &= binSource.Add(srcElt);
mTee = ElementFactory.Make("tee", "tee0");
GstUtilities.CheckError(mTee);
return(ret);
}
