1/*
2 * Copyright (c) 2009, Google Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.soundpooltest;
18
19import android.app.Activity;
20import android.widget.LinearLayout;
21import android.os.Bundle;
22import android.view.ViewGroup;
23import android.widget.Button;
24import android.view.View;
25import android.view.View.OnClickListener;
26import android.view.KeyEvent;
27import android.media.AudioSystem;
28import android.media.AudioManager;
29import android.media.SoundPool;
30import android.media.SoundPool.OnLoadCompleteListener;
31import android.util.Log;
32import java.util.HashMap;
33import java.lang.Math;
34
35import com.android.soundpooltest.R;
36
37public class SoundPoolTest extends Activity
38{
39    private static final String LOG_TAG = "SoundPoolTest";
40    private static final boolean DEBUG = true;
41    private static final boolean VERBOSE = false;
42    private TestThread mThread;
43
44    private static final int[] mTestFiles = new int[] {
45        R.raw.organ441,
46        R.raw.sine441,
47        R.raw.test1,
48        R.raw.test2,
49        R.raw.test3,
50        R.raw.test4,
51        R.raw.test5
52    };
53
54    private final static float SEMITONE = 1.059463094f;
55    private final static float DEFAULT_VOLUME = 0.707f;
56    private final static float MAX_VOLUME = 1.0f;
57    private final static float MIN_VOLUME = 0.01f;
58    private final static int LOW_PRIORITY = 1000;
59    private final static int NORMAL_PRIORITY = 2000;
60    private final static int HIGH_PRIORITY = 3000;
61    private final static int DEFAULT_LOOP = -1;
62    private final static int DEFAULT_SRC_QUALITY = 0;
63    private final static double PI_OVER_2 = Math.PI / 2.0;
64
65    public SoundPoolTest() {}
66
67    private final class TestThread extends java.lang.Thread {
68        private boolean mRunning;
69        private SoundPool mSoundPool = null;
70        private int mLastSample;
71        private int mMaxStreams;
72        private int mLoadStatus;
73        private int[] mSounds;
74        private float mScale[];
75
76        TestThread() {
77            super("SoundPool.TestThread");
78        }
79
80        private final class LoadCompleteCallback implements
81            android.media.SoundPool.OnLoadCompleteListener {
82            public void onLoadComplete(SoundPool soundPool, int sampleId, int status) {
83                synchronized(mSoundPool) {
84                    if (DEBUG) Log.d(LOG_TAG, "Sample " + sampleId + " load status = " + status);
85                    if (status != 0) {
86                        mLoadStatus = status;
87                    }
88                    if (sampleId == mLastSample) {
89                        mSoundPool.notify();
90                    }
91                }
92            }
93        }
94
95        private int loadSound(int resId, int priority) {
96            int id = mSoundPool.load(getApplicationContext(), resId, priority);
97            if (id == 0) {
98                Log.e(LOG_TAG, "Unable to open resource");
99            }
100            return id;
101        }
102
103        private int initSoundPool(int numStreams) throws java.lang.InterruptedException {
104
105            if (mSoundPool != null) {
106                if ((mMaxStreams == numStreams) && (mLoadStatus == 0)) return mLoadStatus;
107                mSoundPool.release();
108                mSoundPool = null;
109            }
110
111            // create sound pool
112            mLoadStatus = 0;
113            mMaxStreams = numStreams;
114            mSoundPool = new SoundPool(numStreams, AudioSystem.STREAM_MUSIC, 0);
115            mSoundPool.setOnLoadCompleteListener(new LoadCompleteCallback());
116            int numSounds = mTestFiles.length;
117            mSounds = new int[numSounds];
118
119            // load sounds
120            synchronized(mSoundPool) {
121                for (int index = 0; index < numSounds; index++) {
122                    mSounds[index] = loadSound(mTestFiles[index], NORMAL_PRIORITY);
123                    mLastSample = mSounds[index];
124                }
125                mSoundPool.wait();
126            }
127            return mLoadStatus;
128        }
129
130        private boolean TestSounds() throws java.lang.InterruptedException {
131            if (DEBUG) Log.d(LOG_TAG, "Begin sounds test");
132            int count = mSounds.length;
133            for (int index = 0; index < count; index++) {
134                int id = mSoundPool.play(mSounds[index], DEFAULT_VOLUME, DEFAULT_VOLUME,
135                        NORMAL_PRIORITY, DEFAULT_LOOP, 1.0f);
136                if (DEBUG) Log.d(LOG_TAG, "Start note " + id);
137                if (id == 0) {
138                    Log.e(LOG_TAG, "Error occurred starting note");
139                    return false;
140                }
141                sleep(450);
142                mSoundPool.stop(id);
143                if (DEBUG) Log.d(LOG_TAG, "Stop note " + id);
144                sleep(50);
145            }
146            if (DEBUG) Log.d(LOG_TAG, "End scale test");
147            return true;
148        }
149
150        private boolean TestScales() throws java.lang.InterruptedException {
151            if (DEBUG) Log.d(LOG_TAG, "Begin scale test");
152
153            // interate through pitch table
154            int count = mScale.length;
155            for (int step = 0; step < count; step++) {
156                int id = mSoundPool.play(mSounds[0], DEFAULT_VOLUME, DEFAULT_VOLUME,
157                        NORMAL_PRIORITY, DEFAULT_LOOP, mScale[step]);
158                if (DEBUG) Log.d(LOG_TAG, "Start note " + id);
159                if (id == 0) {
160                    Log.e(LOG_TAG, "Error occurred starting note");
161                    return false;
162                }
163                sleep(450);
164                mSoundPool.stop(id);
165                if (DEBUG) Log.d(LOG_TAG, "Stop note " + id);
166                sleep(50);
167            }
168            if (DEBUG) Log.d(LOG_TAG, "End sounds test");
169            return true;
170        }
171
172        private boolean TestRates() throws java.lang.InterruptedException {
173            if (DEBUG) Log.d(LOG_TAG, "Begin rate test");
174
175            // start the note
176            int count = mScale.length;
177            int id = mSoundPool.play(mSounds[0], DEFAULT_VOLUME, DEFAULT_VOLUME,
178                    NORMAL_PRIORITY, DEFAULT_LOOP, mScale[0]);
179            if (DEBUG) Log.d(LOG_TAG, "Start note " + id);
180            if (id == 0) {
181                Log.e(LOG_TAG, "Test failed - exiting");
182                return false;
183            }
184
185            // modify the pitch
186            for (int step = 1; step < count; step++) {
187                sleep(250);
188                mSoundPool.setRate(id, mScale[step]);
189                if (DEBUG) Log.d(LOG_TAG, "Change rate " + mScale[step]);
190            }
191            mSoundPool.stop(id);
192            if (DEBUG) Log.d(LOG_TAG, "End rate test");
193            return true;
194        }
195
196        private boolean TestPriority() throws java.lang.InterruptedException {
197            if (DEBUG) Log.d(LOG_TAG, "Begin priority test");
198            boolean result = true;
199
200            // play a normal priority looping sound
201            int normalId = mSoundPool.play(mSounds[0], DEFAULT_VOLUME, DEFAULT_VOLUME,
202                    NORMAL_PRIORITY, DEFAULT_LOOP, 1.0f);
203            if (DEBUG) Log.d(LOG_TAG, "Start note " + normalId);
204            if (normalId == 0) {
205                Log.e(LOG_TAG, "Error occurred starting note");
206                return false;
207            }
208            sleep(250);
209
210            // play a low priority sound
211            int id = mSoundPool.play(mSounds[0], DEFAULT_VOLUME, DEFAULT_VOLUME,
212                    LOW_PRIORITY, DEFAULT_LOOP, 1.0f);
213            if (id > 0) {
214                Log.e(LOG_TAG, "Normal > Low priority test failed");
215                result = false;
216                mSoundPool.stop(id);
217            } else {
218                Log.e(LOG_TAG, "Normal > Low priority test passed");
219            }
220            sleep(250);
221
222            // play a high priority sound
223            id = mSoundPool.play(mSounds[0], DEFAULT_VOLUME, DEFAULT_VOLUME,
224                    HIGH_PRIORITY, DEFAULT_LOOP, 1.0f);
225            if (id == 0) {
226                Log.e(LOG_TAG, "High > Normal priority test failed");
227                result = false;
228            } else {
229                Log.e(LOG_TAG, "High > Normal priority test passed");
230            }
231            sleep(250);
232            mSoundPool.stop(id);
233
234            // stop normal note
235            mSoundPool.stop(normalId);
236
237            if (DEBUG) Log.d(LOG_TAG, "End priority test");
238            return result;
239        }
240
241        private boolean TestPauseResume() throws java.lang.InterruptedException {
242            if (DEBUG) Log.d(LOG_TAG, "Begin pause/resume test");
243            boolean result = true;
244
245            // play a normal priority looping sound
246            int id = mSoundPool.play(mSounds[0], DEFAULT_VOLUME, DEFAULT_VOLUME,
247                    NORMAL_PRIORITY, DEFAULT_LOOP, 1.0f);
248            if (DEBUG) Log.d(LOG_TAG, "Start note " + id);
249            if (id == 0) {
250                Log.e(LOG_TAG, "Error occurred starting note");
251                return false;
252            }
253            sleep(250);
254
255            // pause and resume sound a few times
256            for (int count = 0; count < 5; count++) {
257                mSoundPool.pause(id);
258                sleep(250);
259                mSoundPool.resume(id);
260                sleep(250);
261            }
262
263            mSoundPool.stop(id);
264
265            // play 5 sounds, forces one to be stolen
266            int ids[] = new int[5];
267            for (int i = 0; i < 5; i++) {
268                ids[i] = mSoundPool.play(mSounds[0], DEFAULT_VOLUME, DEFAULT_VOLUME,
269                        NORMAL_PRIORITY, DEFAULT_LOOP, mScale[i]);
270                if (DEBUG) Log.d(LOG_TAG, "Start note " + ids[i]);
271                if (ids[i] == 0) {
272                    Log.e(LOG_TAG, "Error occurred starting note");
273                    return false;
274                }
275                sleep(250);
276            }
277
278            // pause and resume sound a few times
279            for (int count = 0; count < 5; count++) {
280                mSoundPool.autoPause();
281                sleep(250);
282                mSoundPool.autoResume();
283                sleep(250);
284            }
285
286            for (int i = 0; i < 5; i++) {
287                mSoundPool.stop(ids[i]);
288            }
289
290            if (DEBUG) Log.d(LOG_TAG, "End pause/resume test");
291            return result;
292        }
293
294        private boolean TestVolume() throws java.lang.InterruptedException {
295            if (DEBUG) Log.d(LOG_TAG, "Begin volume test");
296
297            // start the note
298            int id = mSoundPool.play(mSounds[0], 0.0f, 1.0f, NORMAL_PRIORITY, DEFAULT_LOOP, mScale[0]);
299            if (DEBUG) Log.d(LOG_TAG, "Start note " + id);
300            if (id == 0) {
301                Log.e(LOG_TAG, "Test failed - exiting");
302                return false;
303            }
304
305            // pan from left to right
306            for (int count = 0; count < 101; count++) {
307                sleep(20);
308                double radians = PI_OVER_2 * count / 100.0;
309                float leftVolume = (float) Math.sin(radians);
310                float rightVolume = (float) Math.cos(radians);
311                mSoundPool.setVolume(id, leftVolume, rightVolume);
312                if (DEBUG) Log.d(LOG_TAG, "Change volume (" + leftVolume + "," + rightVolume + ")");
313            }
314
315            mSoundPool.stop(id);
316            if (DEBUG) Log.d(LOG_TAG, "End volume test");
317            return true;
318        }
319
320        public void run() {
321            if (DEBUG) Log.d(LOG_TAG, "Test thread running");
322
323            // initialize
324            mRunning = true;
325            int failures = 0;
326
327            // initialize pitch table
328            float pitch = 0.5f;
329            mScale = new float[13];
330            for (int i = 0; i < 13; ++i) {
331                mScale[i] = pitch;
332                pitch *= SEMITONE;
333            }
334
335            try {
336
337                // do single stream tests
338                initSoundPool(1);
339                if (!TestSounds()) failures = failures + 1;
340                if (!TestScales()) failures = failures + 1;
341                if (!TestRates()) failures = failures + 1;
342                if (!TestPriority()) failures = failures + 1;
343                if (!TestVolume()) failures = failures + 1;
344
345                // do multiple stream tests
346                initSoundPool(4);
347                if (!TestPauseResume()) failures = failures + 1;
348
349            } catch (java.lang.InterruptedException e) {
350                if (DEBUG) Log.d(LOG_TAG, "Test interrupted");
351                failures = failures + 1;
352            } finally {
353                mRunning = false;
354            }
355
356            // release sound pool
357            if (mSoundPool != null) {
358                mSoundPool.release();
359                mSoundPool = null;
360            }
361
362            // output stats
363            if (DEBUG) Log.d(LOG_TAG, "Test thread exit");
364            if (failures == 0) {
365                Log.i(LOG_TAG, "All tests passed");
366            } else {
367                Log.i(LOG_TAG, failures + " tests failed");
368            }
369        }
370
371        public void quit() {
372            if (DEBUG) Log.d(LOG_TAG, "interrupt");
373            interrupt();
374            while (mRunning) {
375                try {
376                    sleep(20);
377                } catch (java.lang.InterruptedException e) { }
378            }
379            if (DEBUG) Log.d(LOG_TAG, "quit");
380        }
381    }
382
383    private void startTests() {
384        mThread = new TestThread();
385        mThread.start();
386    }
387
388    protected void onPause()
389    {
390        Log.v(LOG_TAG, "onPause");
391        super.onPause();
392        mThread.quit();
393        mThread = null;
394    }
395
396    protected void onResume()
397    {
398        Log.v(LOG_TAG, "onResume");
399        super.onResume();
400        startTests();
401    }
402
403    public void onCreate(Bundle icicle)
404    {
405        super.onCreate(icicle);
406        setVolumeControlStream(AudioManager.STREAM_MUSIC);
407    }
408}
409
410