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sample: Add basic tutorial 2 sample

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This commit is contained in:
Stephan Sundermann 2014-08-01 16:15:22 +02:00
parent 2e8045d2dc
commit 27d42dfd3f
2 changed files with 83 additions and 2 deletions
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77
samples/BasicTutorial2.cs Normal file
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@ -0,0 +1,77 @@
// Authors
// Copyright (C) 2014 Stephan Sundermann <stephansundermann@gmail.com>
using System;
using Gst;
namespace GstreamerSharp
{
class Playback
{
public static void Main (string[] args)
{
// Initialize Gstreamer
Application.Init(ref args);
// 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)) {
pipeline.Dispose ();
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");
pipeline.Dispose ();
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;
}
msg.Dispose ();
}
bus.Dispose ();
pipeline.SetState (State.Null);
pipeline.Dispose ();
}
}
}

8
samples/Makefile.am
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@ -1,4 +1,4 @@
TARGETS = playback.exe video-overlay.exe basic-tutorial-1.exe
TARGETS = playback.exe video-overlay.exe basic-tutorial-1.exe basic-tutorial-2.exe
DEBUGS = $(addsuffix .mdb, $(TARGETS))
assemblies = \
@ -18,7 +18,11 @@ video-overlay.exe: $(srcdir)/VideoOverlay.cs $(assemblies)
basic-tutorial-1.exe: $(srcdir)/BasicTutorial1.cs $(assemblies)
$(CSC) $(CSFLAGS) -out:basic-tutorial-1.exe $(references) $(GLIB_SHARP_LIBS) $(srcdir)/BasicTutorial1.cs
basic-tutorial-2.exe: $(srcdir)/BasicTutorial2.cs $(assemblies)
$(CSC) $(CSFLAGS) -out:basic-tutorial-2.exe $(references) $(GLIB_SHARP_LIBS) $(srcdir)/BasicTutorial2.cs
EXTRA_DIST = \
Playback.cs \
VideoOverlay.cs \
BasicTutorial1.cs
BasicTutorial1.cs \
BasicTutorial2.cs