//udpsrc port=9000 buffer-size=60000 ! application/x-rtp,encoding-name=H264,payload=96 ! rtph264depay ! h264parse ! queue ! avdec_h264
public MainForm()
{
// These environment variables are necessary to locate GStreamer libraries, and to stop it from loading
// wrong libraries installed elsewhere on the system.
string apppath = System.IO.Path.GetDirectoryName(System.Windows.Forms.Application.ExecutablePath);
System.Environment.SetEnvironmentVariable("GST_PLUGIN_PATH", "");
System.Environment.SetEnvironmentVariable("GST_PLUGIN_SYSTEM_PATH", apppath + @"\gstreamer\bin\plugins");
System.Environment.SetEnvironmentVariable("PATH", @"C:\Windows;"
+ apppath + @"\gstreamer\lib;"
+ apppath + @"\gstreamer\bin");
System.Environment.SetEnvironmentVariable("GST_REGISTRY", apppath + @"\gstreamer\bin\registry.bin");
// These are for saving debug information.
System.Environment.SetEnvironmentVariable("GST_DEBUG", "*:3");
System.Environment.SetEnvironmentVariable("GST_DEBUG_FILE", "GstreamerLog.txt");
System.Environment.SetEnvironmentVariable("GST_DEBUG_DUMP_DOT_DIR", apppath);
// Initialize Gstreamer
Gst.Application.Init();
// Build the pipeline
var source = ElementFactory.Make("videotestsrc", "source");
var sink = ElementFactory.Make("autovideosink", "sink");
// Create the empty pipeline
var pipeline = new Pipeline("test-pipeline");
if (pipeline == null || source == null || sink == null)
{
Console.WriteLine("Not all elements could be created");
return;
}
// Build the pipeline
pipeline.Add(source, sink);
if (!source.Link(sink))
{
Console.WriteLine("Elements could not be linked");
return;
}
// Modify the source's properties
source["pattern"] = 0;
// Start playing
var ret = pipeline.SetState(State.Playing);
if (ret == StateChangeReturn.Failure)
{
Console.WriteLine("Unable to set the pipeline to the playing state");
return;
}
// Wait until error or EOS
var bus = pipeline.Bus;
//var msg = bus.TimedPopFiltered(Constants.CLOCK_TIME_NONE, MessageType.Eos | MessageType.Error);
// Free resources
/* if (msg != null)
* {
* switch (msg.Type)
* {
* case MessageType.Error:
* GLib.GException exc;
* string debug;
* msg.ParseError(out exc, out debug);
* Console.WriteLine(String.Format("Error received from element {0}: {1}", msg.Src.Name, exc.Message));
* Console.WriteLine(String.Format("Debugging information {0}", debug));
* break;
* case MessageType.Eos:
* Console.WriteLine("End-Of-Stream reached");
* break;
* default:
* // We should not reach here because we only asked for ERRORs and EOS
* Console.WriteLine("Unexpected messag received");
* break;
* }
* }*/
pipeline.SetState(State.Null);
// return;
Gst.Application.Init();
InitializeComponent();
// Create a main loop for GLib, run it in a separate thread
m_GLibMainLoop = new Gst.GLib.MainLoop();
m_GLibThread = new System.Threading.Thread(m_GLibMainLoop.Run);
m_GLibThread.IsBackground = true;
m_GLibThread.Name = "GLibMainLoop";
m_GLibThread.Start();
// System.Threading.Thread.CurrentThread.Name = "WinForms";
CreatePipeline();
}
//udpsrc port=9000 buffer-size=60000 ! application/x-rtp,encoding-name=H264,payload=96 ! rtph264depay ! h264parse ! queue ! avdec_h264
public MainForm()
{
// These environment variables are necessary to locate GStreamer libraries, and to stop it from loading
// wrong libraries installed elsewhere on the system.
string apppath = System.IO.Path.GetDirectoryName(System.Windows.Forms.Application.ExecutablePath);
System.Environment.SetEnvironmentVariable("GST_PLUGIN_PATH", "");
System.Environment.SetEnvironmentVariable("GST_PLUGIN_SYSTEM_PATH", apppath + @"\gstreamer\bin\plugins");
System.Environment.SetEnvironmentVariable("PATH", @"C:\Windows;"
+ apppath + @"\gstreamer\lib;"
+ apppath + @"\gstreamer\bin");
System.Environment.SetEnvironmentVariable("GST_REGISTRY", apppath + @"\gstreamer\bin\registry.bin");
// These are for saving debug information.
System.Environment.SetEnvironmentVariable("GST_DEBUG", "*:3");
System.Environment.SetEnvironmentVariable("GST_DEBUG_FILE", "GstreamerLog.txt");
System.Environment.SetEnvironmentVariable("GST_DEBUG_DUMP_DOT_DIR", apppath);
// Initialize Gstreamer
Gst.Application.Init();
// Build the pipeline
var source = ElementFactory.Make("videotestsrc", "source");
var sink = ElementFactory.Make("autovideosink", "sink");
// Create the empty pipeline
var pipeline = new Pipeline("test-pipeline");
if (pipeline == null || source == null || sink == null)
{
Console.WriteLine("Not all elements could be created");
return;
}
// Build the pipeline
pipeline.Add(source, sink);
if (!source.Link(sink))
{
Console.WriteLine("Elements could not be linked");
return;
}
// Modify the source's properties
source["pattern"] = 0;
// Start playing
var ret = pipeline.SetState(State.Playing);
if (ret == StateChangeReturn.Failure)
{
Console.WriteLine("Unable to set the pipeline to the playing state");
return;
}
// Wait until error or EOS
var bus = pipeline.Bus;
//var msg = bus.TimedPopFiltered(Constants.CLOCK_TIME_NONE, MessageType.Eos | MessageType.Error);
// Free resources
/* if (msg != null)
{
switch (msg.Type)
{
case MessageType.Error:
GLib.GException exc;
string debug;
msg.ParseError(out exc, out debug);
Console.WriteLine(String.Format("Error received from element {0}: {1}", msg.Src.Name, exc.Message));
Console.WriteLine(String.Format("Debugging information {0}", debug));
break;
case MessageType.Eos:
Console.WriteLine("End-Of-Stream reached");
break;
default:
// We should not reach here because we only asked for ERRORs and EOS
Console.WriteLine("Unexpected messag received");
break;
}
}*/
pipeline.SetState(State.Null);
// return;
Gst.Application.Init();
InitializeComponent();
// Create a main loop for GLib, run it in a separate thread
m_GLibMainLoop = new Gst.GLib.MainLoop();
m_GLibThread = new System.Threading.Thread(m_GLibMainLoop.Run);
m_GLibThread.IsBackground = true;
m_GLibThread.Name = "GLibMainLoop";
m_GLibThread.Start();
// System.Threading.Thread.CurrentThread.Name = "WinForms";
CreatePipeline();
}
