/*
 * Created on 5.3.2007
 *
 * Copyright (c) 2007 Karl Helgason
 * 
 * http://www.frinika.com
 * 
 * This file is part of Frinika.
 * 
 * Frinika 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.

 * Frinika 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 Frinika; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package com.frinika.renderer;

import javax.sound.midi.MidiDevice;

import uk.org.toot.audio.core.AudioBuffer;
import uk.org.toot.audio.core.AudioProcess;

import com.frinika.sequencer.FrinikaTrackWrapper;
import com.frinika.sequencer.gui.mixer.SynthWrapper;

public class FrinikaDeviceRenderer {

	MidiDevice dev;
	FrinikaRenderer renderer;
	FrinikaChannelRenderer[] channels = new FrinikaChannelRenderer[16]; 
	
	public FrinikaDeviceRenderer(FrinikaRenderer renderer, MidiDevice dev)
	{
		this.renderer = renderer;
		this.dev = dev;
	}
	
	public void addTrack(FrinikaTrackWrapper track)
	{
		int ch = track.getMidiChannel();
		if(channels[ch] == null)
		{
			channels[ch] = new FrinikaChannelRenderer(this, ch);
		}
		channels[ch].addTrack(track);		
	}
	
	public MidiDevice getDevice()
	{
		return dev;
	}
	
	public void beforeStart()
	{		
		for (int i = 0; i < channels.length; i++) {
			if(channels[i] != null)
				channels[i].beforeStart();
		}
		for (int i = 0; i < channels.length; i++) {
			if(channels[i] != null)
				channels[i].beforeStart2();
		}

	}
	
	AudioProcess renderProcess = new AudioProcess()
	{
		public void open() {
		}

		public int processAudio(AudioBuffer buffer) {
			
			int samplecount = buffer.getSampleCount();
			
			for (int i = 0; i < channels.length; i++) {
				if(channels[i] != null)
					channels[i].processAudio(buffer);
			}
			
			return 0;
		}

		public void close() {
		}
	};

	
	public void start()
	{		
		if(dev instanceof SynthWrapper) 
		{
			((SynthWrapper)dev).setRenderAudioProcess(renderProcess);
		}
	}
	
	public void stop()
	{		
		if(dev instanceof SynthWrapper) 
		{
			((SynthWrapper)dev).setRenderAudioProcess(null);
		}
		
		for (int i = 0; i < channels.length; i++) {
			if(channels[i] != null)
				channels[i].stop();
		}
	}

	
	
}