Finalize StreamerPlugin

* Add cpp file.
* Make Sniff virtual.

headers/private/media/StreamerPlugin.h

@@ -1,6 +1,7 @@
 #ifndef _STREAMER_PLUGIN_H
 #define _STREAMER_PLUGIN_H
 
+#include <DataIO.h>
 #include <MediaTrack.h>
 #include <Url.h>
 
@@ -15,7 +16,7 @@ public:
 								Streamer();
 	virtual						~Streamer();
 
-			status_t			Sniff(BUrl* url, BMediaIO** source) = 0;
+	virtual status_t			Sniff(BUrl* url, BMediaIO** source) = 0;
 private:
 	virtual void				_ReservedStreamer1();
 	virtual void				_ReservedStreamer2();

src/kits/media/Jamfile

@@ -88,6 +88,7 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 			MediaWriter.cpp
 			PluginManager.cpp
 			ReaderPlugin.cpp
+			StreamerPlugin.cpp
 			WriterPlugin.cpp
 			:
 			be localestub [ TargetLibsupc++ ] [ TargetLibstdc++ ]

src/kits/media/StreamerPlugin.cpp

@@ -0,0 +1,44 @@
+
+#include "StreamerPlugin.h"
+
+
+Streamer::Streamer()
+{
+}
+
+
+Streamer::~Streamer()
+{
+}
+
+
+void
+Streamer::_ReservedStreamer1()
+{
+}
+
+
+void
+Streamer::_ReservedStreamer2()
+{
+}
+
+
+
+void
+Streamer::_ReservedStreamer3()
+{
+}
+
+
+
+void
+Streamer::_ReservedStreamer4()
+{
+}
+
+
+void
+Streamer::_ReservedStreamer5()
+{
+}