gstreamer/samples/MP3LaunchParse.cs

//
// Authors
//   Khaled Mohammed (khaled.mohammed@gmail.com)
//
// (C) 2006
//

using System;
using Gst;


public class MP3LaunchParse 
{
	static void EventLoop (Element pipe) 
	{
		Bus bus = pipe.Bus;
		Message message = null;

		while(true) {
			message = bus.Poll(MessageType.Any, -1);

			if(message == null) {
				Console.Error.WriteLine("Message is null!!!");
				System.Application.Exit();
			}

			switch(message.Type) 
			{
				case MessageType.Eos:
					message.Dispose();
					return;
				case MessageType.Warning:
				case MessageType.Error:
					message.Dispose();
					return;
				default:
					message.Dispose();
					break;
			}
		}
	}

	public static void Main(string [] args) 
	{
		Application.Init();

		if(args.Length != 1) {
			Console.Error.WriteLine("usage: mono mp3launchparse.exe <mp3 file>\n", args[0]);
			return;
		}

		Element bin = (Element) Parse.Launch("filesrc name=my_filesrc ! mad ! osssink", &error);
		if(!bin) {
			Console.Error.WriteLine("Parse error");
			Application.Exit();
		}

		Bin b = (Bin) bin;

		Element filesrc = b.GetByName("my_filesrc");
		filesrc.SetProperty("location", args[0]);

		bin.SetState(State.Playing);

		EventLoop(bin);
		
		bin.SetState(State.Null);
		return;
	}
}