AudioService.java

/*
 * Protocoder 
 * A prototyping platform for Android devices 
 * 
 * Victor Diaz Barrales victormdb@gmail.com
 *
 * Copyright (C) 2014 Victor Diaz
 * Copyright (C) 2013 Motorola Mobility LLC
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the Software
 * is furnished to do so, subject to the following conditions: 
 * 
 * The above copyright notice and this permission notice shall be included in all 
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 
 * THE SOFTWARE.
 * 
 */

package org.protocoderrunner.media;

import android.content.ComponentName;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.IBinder;

import org.protocoderrunner.R;
import org.protocoderrunner.apprunner.AppRunnerActivity;
import org.protocoderrunner.apprunner.logger.L;
import org.protocoderrunner.utils.MLog;
import org.puredata.android.io.AudioParameters;
import org.puredata.android.service.PdService;
import org.puredata.core.PdBase;
import org.puredata.core.utils.IoUtils;

import java.io.File;
import java.io.IOException;

public class AudioService {

    public static final String TAG = "PdAudioService";

    public static PdService pdService = null;
	public static String file;

	public static final ServiceConnection pdConnection = new ServiceConnection() {


        @Override
		public void onServiceConnected(ComponentName name, IBinder service) {
			pdService = ((PdService.PdBinder) service).getService();

			MLog.d(TAG, "service connected");

			try {
				initPd();
				// loadPatchFromResources();
				loadPatchFromDirectory(file);
			} catch (IOException e) {
				finish();
			}
		}

		@Override
		public void onServiceDisconnected(ComponentName name) {
			stop();
		}

		public void stop() {
			MLog.d("qq", "stoping audio");
			try {
				if (pdService != null) {
					pdService.stopAudio();
					PdBase.release();
					pdService.unbindService(pdConnection);

				}
			} catch (IllegalArgumentException e) {
				// already unbound
				pdService = null;
			}
		}

	};

	private static void initPd() throws IOException {

		// configure audio glue
		int sampleRate = AudioParameters.suggestSampleRate();
		int micChannels = AudioParameters.suggestInputChannels();
		L.d("MIC", "mic channels" + micChannels);
		pdService.initAudio(sampleRate, micChannels, 2, 8);


		start();

	}

	public static void start() {
		if (!pdService.isRunning()) {
			Intent intent = new Intent(pdService, AppRunnerActivity.class);
			pdService.startAudio();
		}
	}

	protected static void sendMessage(String message, String value) {
		if (value.isEmpty()) {
			PdBase.sendBang(message);
		} else if (value.matches("[0-9]+")) {
			PdBase.sendFloat(message, Float.parseFloat(value));
		} else {
			PdBase.sendSymbol(message, value);
		}
	}

	protected static void triggerNote(int value) {
		int m = (int) (Math.random() * 5);
		MLog.d("qq", "" + m);
		PdBase.sendFloat("midinote", value); // m);
		PdBase.sendBang("trigger");
	}

	protected static void sendBang(int value) {
		PdBase.sendBang("button" + value);
	}

	protected static void changeSpeed(int value) {
		PdBase.sendFloat("tempo", value); // m);

	}

	protected static void finish() {
	}

	private static void loadPatchFromResources() throws IOException {

		File dir = pdService.getFilesDir();
		IoUtils.extractZipResource(pdService.getResources().openRawResource(R.raw.tuner), dir, true);
		File patchFile = new File(dir, "tuner/sampleplay.pd");
		MLog.d("qq", patchFile.getAbsolutePath());
		PdBase.openPatch(patchFile.getAbsolutePath());

	}

	private static void loadPatchFromDirectory(String file2) throws IOException {
		PdBase.openPatch(file);
	}

}