Android example source code file (SoundPoolTest.java)
The SoundPoolTest.java Android example source code/*
* Copyright (c) 2009, Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.soundpooltest;
import android.app.Activity;
import android.widget.LinearLayout;
import android.os.Bundle;
import android.view.ViewGroup;
import android.widget.Button;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.KeyEvent;
import android.media.AudioSystem;
import android.media.AudioManager;
import android.media.SoundPool;
import android.media.SoundPool.OnLoadCompleteListener;
import android.util.Config;
import android.util.Log;
import java.util.HashMap;
import java.lang.Math;
import com.android.soundpooltest.R;
public class SoundPoolTest extends Activity
{
private static final String LOG_TAG = "SoundPoolTest";
private static final boolean DEBUG = true;
private static final boolean VERBOSE = false;
private TestThread mThread;
private static final int[] mTestFiles = new int[] {
R.raw.organ441,
R.raw.sine441,
R.raw.test1,
R.raw.test2,
R.raw.test3,
R.raw.test4,
R.raw.test5
};
private final static float SEMITONE = 1.059463094f;
private final static float DEFAULT_VOLUME = 0.707f;
private final static float MAX_VOLUME = 1.0f;
private final static float MIN_VOLUME = 0.01f;
private final static int LOW_PRIORITY = 1000;
private final static int NORMAL_PRIORITY = 2000;
private final static int HIGH_PRIORITY = 3000;
private final static int DEFAULT_LOOP = -1;
private final static int DEFAULT_SRC_QUALITY = 0;
private final static double PI_OVER_2 = Math.PI / 2.0;
public SoundPoolTest() {}
private final class TestThread extends java.lang.Thread {
private boolean mRunning;
private SoundPool mSoundPool = null;
private int mLastSample;
private int mMaxStreams;
private int mLoadStatus;
private int[] mSounds;
private float mScale[];
TestThread() {
super("SoundPool.TestThread");
}
private final class LoadCompleteCallback implements
android.media.SoundPool.OnLoadCompleteListener {
public void onLoadComplete(SoundPool soundPool, int sampleId, int status) {
synchronized(mSoundPool) {
if (DEBUG) Log.d(LOG_TAG, "Sample " + sampleId + " load status = " + status);
if (status != 0) {
mLoadStatus = status;
}
if (sampleId == mLastSample) {
mSoundPool.notify();
}
}
}
}
private int loadSound(int resId, int priority) {
int id = mSoundPool.load(getApplicationContext(), resId, priority);
if (id == 0) {
Log.e(LOG_TAG, "Unable to open resource");
}
return id;
}
private int initSoundPool(int numStreams) throws java.lang.InterruptedException {
if (mSoundPool != null) {
if ((mMaxStreams == numStreams) && (mLoadStatus == 0)) return mLoadStatus;
mSoundPool.release();
mSoundPool = null;
}
// create sound pool
mLoadStatus = 0;
mMaxStreams = numStreams;
mSoundPool = new SoundPool(numStreams, AudioSystem.STREAM_MUSIC, 0);
mSoundPool.setOnLoadCompleteListener(new LoadCompleteCallback());
int numSounds = mTestFiles.length;
mSounds = new int[numSounds];
// load sounds
synchronized(mSoundPool) {
for (int index = 0; index < numSounds; index++) {
mSounds[index] = loadSound(mTestFiles[index], NORMAL_PRIORITY);
mLastSample = mSounds[index];
}
mSoundPool.wait();
}
return mLoadStatus;
}
private boolean TestSounds() throws java.lang.InterruptedException {
if (DEBUG) Log.d(LOG_TAG, "Begin sounds test");
int count = mSounds.length;
for (int index = 0; index < count; index++) {
int id = mSoundPool.play(mSounds[index], DEFAULT_VOLUME, DEFAULT_VOLUME,
NORMAL_PRIORITY, DEFAULT_LOOP, 1.0f);
if (DEBUG) Log.d(LOG_TAG, "Start note " + id);
if (id == 0) {
Log.e(LOG_TAG, "Error occurred starting note");
return false;
}
sleep(450);
mSoundPool.stop(id);
if (DEBUG) Log.d(LOG_TAG, "Stop note " + id);
sleep(50);
}
if (DEBUG) Log.d(LOG_TAG, "End scale test");
return true;
}
private boolean TestScales() throws java.lang.InterruptedException {
if (DEBUG) Log.d(LOG_TAG, "Begin scale test");
// interate through pitch table
int count = mScale.length;
for (int step = 0; step < count; step++) {
int id = mSoundPool.play(mSounds[0], DEFAULT_VOLUME, DEFAULT_VOLUME,
NORMAL_PRIORITY, DEFAULT_LOOP, mScale[step]);
if (DEBUG) Log.d(LOG_TAG, "Start note " + id);
if (id == 0) {
Log.e(LOG_TAG, "Error occurred starting note");
return false;
}
sleep(450);
mSoundPool.stop(id);
if (DEBUG) Log.d(LOG_TAG, "Stop note " + id);
sleep(50);
}
if (DEBUG) Log.d(LOG_TAG, "End sounds test");
return true;
}
private boolean TestRates() throws java.lang.InterruptedException {
if (DEBUG) Log.d(LOG_TAG, "Begin rate test");
// start the note
int count = mScale.length;
int id = mSoundPool.play(mSounds[0], DEFAULT_VOLUME, DEFAULT_VOLUME,
NORMAL_PRIORITY, DEFAULT_LOOP, mScale[0]);
if (DEBUG) Log.d(LOG_TAG, "Start note " + id);
if (id == 0) {
Log.e(LOG_TAG, "Test failed - exiting");
return false;
}
// modify the pitch
for (int step = 1; step < count; step++) {
sleep(250);
mSoundPool.setRate(id, mScale[step]);
if (DEBUG) Log.d(LOG_TAG, "Change rate " + mScale[step]);
}
mSoundPool.stop(id);
if (DEBUG) Log.d(LOG_TAG, "End rate test");
return true;
}
private boolean TestPriority() throws java.lang.InterruptedException {
if (DEBUG) Log.d(LOG_TAG, "Begin priority test");
boolean result = true;
// play a normal priority looping sound
int normalId = mSoundPool.play(mSounds[0], DEFAULT_VOLUME, DEFAULT_VOLUME,
NORMAL_PRIORITY, DEFAULT_LOOP, 1.0f);
if (DEBUG) Log.d(LOG_TAG, "Start note " + normalId);
if (normalId == 0) {
Log.e(LOG_TAG, "Error occurred starting note");
return false;
}
sleep(250);
// play a low priority sound
int id = mSoundPool.play(mSounds[0], DEFAULT_VOLUME, DEFAULT_VOLUME,
LOW_PRIORITY, DEFAULT_LOOP, 1.0f);
if (id > 0) {
Log.e(LOG_TAG, "Normal > Low priority test failed");
result = false;
mSoundPool.stop(id);
} else {
Log.e(LOG_TAG, "Normal > Low priority test passed");
}
sleep(250);
// play a high priority sound
id = mSoundPool.play(mSounds[0], DEFAULT_VOLUME, DEFAULT_VOLUME,
HIGH_PRIORITY, DEFAULT_LOOP, 1.0f);
if (id == 0) {
Log.e(LOG_TAG, "High > Normal priority test failed");
result = false;
} else {
Log.e(LOG_TAG, "High > Normal priority test passed");
}
sleep(250);
mSoundPool.stop(id);
// stop normal note
mSoundPool.stop(normalId);
if (DEBUG) Log.d(LOG_TAG, "End priority test");
return result;
}
private boolean TestPauseResume() throws java.lang.InterruptedException {
if (DEBUG) Log.d(LOG_TAG, "Begin pause/resume test");
boolean result = true;
// play a normal priority looping sound
int id = mSoundPool.play(mSounds[0], DEFAULT_VOLUME, DEFAULT_VOLUME,
NORMAL_PRIORITY, DEFAULT_LOOP, 1.0f);
if (DEBUG) Log.d(LOG_TAG, "Start note " + id);
if (id == 0) {
Log.e(LOG_TAG, "Error occurred starting note");
return false;
}
sleep(250);
// pause and resume sound a few times
for (int count = 0; count < 5; count++) {
mSoundPool.pause(id);
sleep(250);
mSoundPool.resume(id);
sleep(250);
}
mSoundPool.stop(id);
// play 5 sounds, forces one to be stolen
int ids[] = new int[5];
for (int i = 0; i < 5; i++) {
ids[i] = mSoundPool.play(mSounds[0], DEFAULT_VOLUME, DEFAULT_VOLUME,
NORMAL_PRIORITY, DEFAULT_LOOP, mScale[i]);
if (DEBUG) Log.d(LOG_TAG, "Start note " + ids[i]);
if (ids[i] == 0) {
Log.e(LOG_TAG, "Error occurred starting note");
return false;
}
sleep(250);
}
// pause and resume sound a few times
for (int count = 0; count < 5; count++) {
mSoundPool.autoPause();
sleep(250);
mSoundPool.autoResume();
sleep(250);
}
for (int i = 0; i < 5; i++) {
mSoundPool.stop(ids[i]);
}
if (DEBUG) Log.d(LOG_TAG, "End pause/resume test");
return result;
}
private boolean TestVolume() throws java.lang.InterruptedException {
if (DEBUG) Log.d(LOG_TAG, "Begin volume test");
// start the note
int id = mSoundPool.play(mSounds[0], 0.0f, 1.0f, NORMAL_PRIORITY, DEFAULT_LOOP, mScale[0]);
if (DEBUG) Log.d(LOG_TAG, "Start note " + id);
if (id == 0) {
Log.e(LOG_TAG, "Test failed - exiting");
return false;
}
// pan from left to right
for (int count = 0; count < 101; count++) {
sleep(20);
double radians = PI_OVER_2 * count / 100.0;
float leftVolume = (float) Math.sin(radians);
float rightVolume = (float) Math.cos(radians);
mSoundPool.setVolume(id, leftVolume, rightVolume);
if (DEBUG) Log.d(LOG_TAG, "Change volume (" + leftVolume + "," + rightVolume + ")");
}
mSoundPool.stop(id);
if (DEBUG) Log.d(LOG_TAG, "End volume test");
return true;
}
public void run() {
if (DEBUG) Log.d(LOG_TAG, "Test thread running");
// initialize
mRunning = true;
int failures = 0;
// initialize pitch table
float pitch = 0.5f;
mScale = new float[13];
for (int i = 0; i < 13; ++i) {
mScale[i] = pitch;
pitch *= SEMITONE;
}
try {
// do single stream tests
initSoundPool(1);
if (!TestSounds()) failures = failures + 1;
if (!TestScales()) failures = failures + 1;
if (!TestRates()) failures = failures + 1;
if (!TestPriority()) failures = failures + 1;
if (!TestVolume()) failures = failures + 1;
// do multiple stream tests
initSoundPool(4);
if (!TestPauseResume()) failures = failures + 1;
} catch (java.lang.InterruptedException e) {
if (DEBUG) Log.d(LOG_TAG, "Test interrupted");
failures = failures + 1;
} finally {
mRunning = false;
}
// release sound pool
if (mSoundPool != null) {
mSoundPool.release();
mSoundPool = null;
}
// output stats
if (DEBUG) Log.d(LOG_TAG, "Test thread exit");
if (failures == 0) {
Log.i(LOG_TAG, "All tests passed");
} else {
Log.i(LOG_TAG, failures + " tests failed");
}
}
public void quit() {
if (DEBUG) Log.d(LOG_TAG, "interrupt");
interrupt();
while (mRunning) {
try {
sleep(20);
} catch (java.lang.InterruptedException e) { }
}
if (DEBUG) Log.d(LOG_TAG, "quit");
}
}
private void startTests() {
mThread = new TestThread();
mThread.start();
}
protected void onPause()
{
Log.v(LOG_TAG, "onPause");
super.onPause();
mThread.quit();
mThread = null;
}
protected void onResume()
{
Log.v(LOG_TAG, "onResume");
super.onResume();
startTests();
}
public void onCreate(Bundle icicle)
{
super.onCreate(icicle);
setVolumeControlStream(AudioManager.STREAM_MUSIC);
}
}
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