1 files changed, 106 insertions, 0 deletions
diff --git a/examples/streamsound.cc b/examples/streamsound.cc
new file mode 100644
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+++ b/examples/streamsound.cc
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+    /*
+
+    Copyright (C) 2000 Stefan Westerfeld
+                       stefan@space.twc.de
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+    Permission is also granted to link this program with the Qt
+    library, treating Qt like a library that normally accompanies the
+    operating system kernel, whether or not that is in fact the case.
+
+    */
+
+#include "soundserver.h"
+#include "stdsynthmodule.h"
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <iostream>
+#include <math.h>
+
+using namespace std;
+using namespace Arts;
+
+class Sender :	public ByteSoundProducer_skel,
+				public StdSynthModule
+{
+	bool _finished;
+	int pos;
+public:
+	Sender() : _finished(false), pos(0)
+	{
+	}
+	long samplingRate() { return 44100; }
+	long channels()     { return 2; }
+	long bits()         { return 16; }
+	bool finished()     { return _finished; }
+
+	static const int packetCount = 10, packetCapacity = 1024;
+	void streamStart()
+	{
+		/*
+		 * start streaming
+		 */
+		outdata.setPull(packetCount, packetCapacity);
+	}
+
+	void request_outdata(DataPacket<mcopbyte> *packet)
+	{
+		/*
+		 * fill the packet with new data
+		 */
+		// ----------------- audio fill up start -----------------
+
+		int j;
+		mcopbyte *to = &packet->contents[0];
+		for(j=0;j<packetCapacity/4;j++)
+		{
+			// generate two sin waves
+			float fpos = ((float)pos)/44100.0;
+			long left  = (long)(sin(fpos*6.28*440.0)*30000.0);
+			long right = (long)(sin(fpos*6.28*880.0)*30000.0);
+			pos++;
+
+			// put the samples in the packet
+		    *to++ = left & 0xff;
+			*to++ = (left >> 8) & 0xff;                                              
+		    *to++ = right & 0xff;
+			*to++ = (right >> 8) & 0xff;
+		}
+
+		// ------------------ audio fill up end ------------------
+		packet->send();
+	}
+};
+
+int main(int argc, char **argv)
+{
+	Dispatcher dispatcher;
+	SimpleSoundServer server = Reference("global:Arts_SimpleSoundServer");
+
+	if(server.isNull())
+	{
+		cerr << "Can't connect to sound server" << endl;
+		return 1;
+	}
+
+	ByteSoundProducer sender = ByteSoundProducer::_from_base(new Sender());
+	server.attach(sender);
+	sender.start();
+	dispatcher.run();
+	server.detach(sender);		// in this example: not reached
+}