Added Element.LinkMany and Element.UnlinkMany

git-svn-id: svn://anonsvn.mono-project.com/source/branches/abock/gstreamer-sharp@64347 e3ebcda4-bce8-0310-ba0a-eca2169e7518

ChangeLog

@@ -1,3 +1,9 @@
+2006-08-25  Khaled Mohammed <khaled.mohammed@gmail.com>
+	* sample/QueueExample.cs: a sample file showcasing 
+	use of the queue element
+	* gstreamer-sharp/Element.custom: added static LinkMany and UnlinkMany
+	functions
+
 2006-08-20  Khaled Mohammed <khaled.mohammed@gmail.com>
 	* gstreamer-sharp/Buffer.custom: added Ref(), Unref() and Refcount()
 	functionality

gstreamer-sharp/Element.custom

@@ -69,6 +69,26 @@
 		return ret;
 	}
 	
+	public static bool LinkMany(params Element [] elements) 
+	{
+		for(int i=0; i < elements.Length - 1; i++) 
+		{
+			if(!elements[i].Link(elements[i+1]))
+				return false;
+		}
+		
+		return true;
+	}
+
+	public static void UnlinkMany(params Element [] elements) 
+	{
+		for(int i=0; i < elements.Length - 1; i++)
+		{
+			elements[i].Unlink(elements[i+1]);
+		}
+	}
+
+
     [DllImport("gstreamer-0.10.dll")]
     private static extern bool gst_element_query_position(IntPtr raw, ref Format format, out long cur);
 

gstreamer-sharp/Gstreamer.metadata

@@ -14,6 +14,8 @@
   <attr path="/api/namespace/object[@name='Pad']/method[@name='AddDataProbe']" name="hidden">1</attr>
   <attr path="/api/namespace/object[@name='Pad']/method[@name='RemoveDataProbe']" name="hidden">1</attr>
   <attr path="/api/namespace/object[@name='Bin']/method[@name='AddMany']" name="hidden">1</attr>
+  <attr path="/api/namespace/object[@name='Element']/method[@name='LinkMany']" name="hidden">1</attr>
+  <attr path="/api/namespace/object[@name='Element']/method[@name='UnlinkMany']" name="hidden">1</attr>
   <attr path="/api/namespace/object[@name='Bin']/method[@name='RemoveMany']" name="hidden">1</attr>
   <attr path="/api/namespace/object[@name='Message']/method[@cname='gst_message_new_error']" name="hidden">1</attr>
   <attr path="/api/namespace/object[@name='Element']/method[@cname='gst_element_add_pad']" name="hidden">1</attr>

gstreamer-sharp/Pad.custom

@@ -53,7 +53,6 @@
 			PersistentData["AddBufferProbe"] = func_wrapper;
 		}	
 
-		//IntPtr data = (IntPtr) GCHandle.Alloc(func_wrapper);
 		return gst_pad_add_buffer_probe(this.Handle, func_wrapper.NativeFunc, IntPtr.Zero);
 	} 
 

gstreamer-sharp/gstreamer-api.raw

@@ -1,12 +1,11 @@
 <?xml version="1.0"?>
-<api>
+<api
-  <!--
+  ><!--
 
         This file was automatically generated.
         Please DO NOT MODIFY THIS FILE, modify .metadata files instead.
 
--->
+--><namespace name="Gst" library="gstreamer-0.10.dll">
-  <namespace name="Gst" library="gstreamer-0.10.dll">
     <enum name="ActivateMode" cname="GstActivateMode" type="enum">
       <member cname="GST_ACTIVATE_NONE" name="None" />
       <member cname="GST_ACTIVATE_PUSH" name="Push" />
@@ -5746,6 +5745,4 @@
           <parameter type="const-GValue*" name="value2" />
         </parameters>
       </method>
-    </class>
+    </class></namespace></api>
-  </namespace>
-</api>

sample/Makefile.am

@@ -19,6 +19,9 @@ helloworld.exe: $(srcdir)/HelloWorld.cs $(assemblies)
 typefind.exe: $(srcdir)/TypeFind.cs $(assemblies)
 	$(CSC) -out:$@ $(GLIBSHARP_LIBS) $(references) $(srcdir)/TypeFind.cs
 
+queueexample.exe: $(srcdir)/QueueExample.cs $(assemblies)
+	$(CSC) -out:$@ $(GLIBSHARP_LIBS) $(references) $(srcdir)/QueueExample.cs
+
 link:
 	ln -sf $(top_builddir)/gstreamer-sharp/gstreamer-sharp.dll gstreamer-sharp.dll
 	ln -sf $(top_builddir)/gstreamer-sharp/gstreamer-sharp.dll.config gstreamer-sharp.dll.config

sample/QueueExample.cs

@@ -0,0 +1,59 @@
+//
+// Authors:
+//   Khaled Mohammed (khaled.mohammed@gmail.com)
+//
+//
+
+using Gst;
+using System;
+
+public class QueueExample {
+	public static void Main(string [] args) 
+	{
+		Application.Init();
+		
+		if(args.Length != 1) {
+			Console.Error.WriteLine("usage: mono queueexample.exe <filename>\n");
+			return;
+		}
+
+		Element pipeline = new Pipeline("pipeline");
+		
+		Element filesrc = ElementFactory.Make("filesrc", "disk_source");
+		filesrc.SetProperty("location", args[0]);
+		Element decode = ElementFactory.Make("mad", "decode");
+		Element queue = ElementFactory.Make("queue", "queue");
+
+		Element audiosink = ElementFactory.Make("alsasink", "play_audio");
+
+		Bin bin = (Bin) pipeline;
+		bin.AddMany(filesrc, decode, queue, audiosink);
+
+		Element.LinkMany(filesrc, decode, queue, audiosink);
+
+		pipeline.SetState(State.Playing);
+
+		EventLoop(pipeline);
+
+		pipeline.SetState(State.Null);
+	}
+
+	static void EventLoop(Element pipe)
+	{
+		Bus bus = pipe.Bus;
+
+		while(true) {
+			Message message = bus.Poll(MessageType.Any, -1);
+		
+			switch(message.Type) {
+				case MessageType.Eos: {
+					message.Dispose();
+					return;
+				}
+				case MessageType.Error: {
+					return;
+				}
+			}
+		}
+	}
+}

sample/TypeFind.cs

@@ -25,6 +25,9 @@ public static class GstTypefindTest
         pipeline.SetState(State.Paused);
         pipeline.SetState(State.Null);
 		
+		source.Dispose();
+		typefind.Dispose();
+		sink.Dispose();
         pipeline.Dispose();
     }
     

source/gstreamer-sharp-source.xml

@@ -6,13 +6,13 @@
         <exclude>gstreamer-0.10.3/gst/gstinterface.h</exclude>
         <exclude>gstreamer-0.10.3/gst/gsturi.h</exclude>
       </namespace>
-<!--  
-      <namespace name="Gst">
-        <file>gst-plugins-base-0.10.3/gst-libs/gst/interfaces/xoverlay.h</file>
-        <dir>gst-plugins-base-0.10.3/gst-libs/gst/video</dir>
-        <exclude>gst-plugins-base-0.10.3/gst-libs/gst/video/video.h</exclude>
-      </namespace>
--->
 	</library>
+<!--
+	<library name="gstcontroller-0.10.dll">
+      <namespace name="Gst">
+        <dir>gstreamer-0.10.3/libs/gst/controller</dir>
+      </namespace>
+    </library>
+-->
   </api>
 </gapi-parser-input>