Android example source code file (MediaAudioTrackTest.java)
The MediaAudioTrackTest.java Android example source code/*
* Copyright (C) 2009 The Android Open Source Project
*
* 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.mediaframeworktest.functional;
import com.android.mediaframeworktest.MediaFrameworkTest;
import com.android.mediaframeworktest.MediaNames;
import android.media.AudioFormat;
import android.media.AudioManager;
import android.media.AudioTrack;
import android.test.ActivityInstrumentationTestCase2;
import android.util.Log;
import android.test.suitebuilder.annotation.LargeTest;
import android.test.suitebuilder.annotation.MediumTest;
import android.test.suitebuilder.annotation.Suppress;
/**
* Junit / Instrumentation test case for the media AudioTrack api
*/
public class MediaAudioTrackTest extends ActivityInstrumentationTestCase2<MediaFrameworkTest> {
private String TAG = "MediaAudioTrackTest";
public MediaAudioTrackTest() {
super("com.android.mediaframeworktest", MediaFrameworkTest.class);
}
@Override
protected void setUp() throws Exception {
super.setUp();
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
}
private static void assumeTrue(String message, boolean cond) {
assertTrue("(assume)"+message, cond);
}
private void log(String testName, String message) {
Log.v(TAG, "["+testName+"] "+message);
}
private void loge(String testName, String message) {
Log.e(TAG, "["+testName+"] "+message);
}
//-----------------------------------------------------------------
// private class to hold test reslts
public class TestResults {
public boolean mResult = false;
public String mResultLog = "";
public TestResults(boolean b, String s) { mResult = b; mResultLog = s; }
}
//-----------------------------------------------------------------
// generic test methods
public TestResults constructorTestMultiSampleRate(
// parameters tested by this method
int _inTest_streamType, int _inTest_mode,
int _inTest_config, int _inTest_format,
// parameter-dependent expected results
int _expected_stateForMode) {
int[] testSampleRates = {8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000};
String failedRates = "Failure for rate(s): ";
boolean localRes, finalRes = true;
for (int i = 0 ; i < testSampleRates.length ; i++) {
//Log.v("MediaAudioTrackTest", "[ constructorTestMultiSampleRate ] testing "+ testSampleRates[i]);
AudioTrack track = null;
try {
track = new AudioTrack(
_inTest_streamType,
testSampleRates[i],
_inTest_config,
_inTest_format,
AudioTrack.getMinBufferSize(testSampleRates[i],
_inTest_config, _inTest_format),
_inTest_mode);
} catch(IllegalArgumentException iae) {
Log.e("MediaAudioTrackTest", "[ constructorTestMultiSampleRate ] exception at SR "
+ testSampleRates[i]+": \n" + iae);
localRes = false;
}
if (track != null) {
localRes = (track.getState() == _expected_stateForMode);
track.release();
}
else {
localRes = false;
}
if (!localRes) {
//log the error for the test runner
failedRates += Integer.toString(testSampleRates[i]) + "Hz ";
//log the error for logcat
log("constructorTestMultiSampleRate", "failed to construct "
+"AudioTrack(streamType="+_inTest_streamType
+", sampleRateInHz=" + testSampleRates[i]
+", channelConfig=" + _inTest_config
+", audioFormat=" + _inTest_format
+", bufferSizeInBytes=" + AudioTrack.getMinBufferSize(testSampleRates[i],
_inTest_config, AudioFormat.ENCODING_PCM_16BIT)
+", mode="+ _inTest_mode );
//mark test as failed
finalRes = false;
}
}
return new TestResults(finalRes, failedRates);
}
//-----------------------------------------------------------------
// AUDIOTRACK TESTS:
//----------------------------------
//-----------------------------------------------------------------
// AudioTrack constructor and AudioTrack.getMinBufferSize(...) for 16bit PCM
//----------------------------------
//Test case 1: constructor for streaming AudioTrack, mono, 16bit at misc valid sample rates
@LargeTest
public void testConstructorMono16MusicStream() throws Exception {
TestResults res = constructorTestMultiSampleRate(
AudioManager.STREAM_MUSIC, AudioTrack.MODE_STREAM,
AudioFormat.CHANNEL_OUT_MONO, AudioFormat.ENCODING_PCM_16BIT,
AudioTrack.STATE_INITIALIZED);
assertTrue("testConstructorMono16MusicStream: " + res.mResultLog, res.mResult);
}
//Test case 2: constructor for streaming AudioTrack, stereo, 16bit at misc valid sample rates
@LargeTest
public void testConstructorStereo16MusicStream() throws Exception {
TestResults res = constructorTestMultiSampleRate(
AudioManager.STREAM_MUSIC, AudioTrack.MODE_STREAM,
AudioFormat.CHANNEL_OUT_STEREO, AudioFormat.ENCODING_PCM_16BIT,
AudioTrack.STATE_INITIALIZED);
assertTrue("testConstructorStereo16MusicStream: " + res.mResultLog, res.mResult);
}
//Test case 3: constructor for static AudioTrack, mono, 16bit at misc valid sample rates
@LargeTest
public void testConstructorMono16MusicStatic() throws Exception {
TestResults res = constructorTestMultiSampleRate(
AudioManager.STREAM_MUSIC, AudioTrack.MODE_STATIC,
AudioFormat.CHANNEL_OUT_MONO, AudioFormat.ENCODING_PCM_16BIT,
AudioTrack.STATE_NO_STATIC_DATA);
assertTrue("testConstructorMono16MusicStatic: " + res.mResultLog, res.mResult);
}
//Test case 4: constructor for static AudioTrack, stereo, 16bit at misc valid sample rates
@LargeTest
public void testConstructorStereo16MusicStatic() throws Exception {
TestResults res = constructorTestMultiSampleRate(
AudioManager.STREAM_MUSIC, AudioTrack.MODE_STATIC,
AudioFormat.CHANNEL_OUT_STEREO, AudioFormat.ENCODING_PCM_16BIT,
AudioTrack.STATE_NO_STATIC_DATA);
assertTrue("testConstructorStereo16MusicStatic: " + res.mResultLog, res.mResult);
}
//-----------------------------------------------------------------
// AudioTrack constructor and AudioTrack.getMinBufferSize(...) for 8bit PCM
//----------------------------------
//Test case 1: constructor for streaming AudioTrack, mono, 8bit at misc valid sample rates
@LargeTest
public void testConstructorMono8MusicStream() throws Exception {
TestResults res = constructorTestMultiSampleRate(
AudioManager.STREAM_MUSIC, AudioTrack.MODE_STREAM,
AudioFormat.CHANNEL_OUT_MONO, AudioFormat.ENCODING_PCM_8BIT,
AudioTrack.STATE_INITIALIZED);
assertTrue("testConstructorMono8MusicStream: " + res.mResultLog, res.mResult);
}
//Test case 2: constructor for streaming AudioTrack, stereo, 8bit at misc valid sample rates
@LargeTest
public void testConstructorStereo8MusicStream() throws Exception {
TestResults res = constructorTestMultiSampleRate(
AudioManager.STREAM_MUSIC, AudioTrack.MODE_STREAM,
AudioFormat.CHANNEL_OUT_STEREO, AudioFormat.ENCODING_PCM_8BIT,
AudioTrack.STATE_INITIALIZED);
assertTrue("testConstructorStereo8MusicStream: " + res.mResultLog, res.mResult);
}
//Test case 3: constructor for static AudioTrack, mono, 8bit at misc valid sample rates
@LargeTest
public void testConstructorMono8MusicStatic() throws Exception {
TestResults res = constructorTestMultiSampleRate(
AudioManager.STREAM_MUSIC, AudioTrack.MODE_STATIC,
AudioFormat.CHANNEL_OUT_MONO, AudioFormat.ENCODING_PCM_8BIT,
AudioTrack.STATE_NO_STATIC_DATA);
assertTrue("testConstructorMono8MusicStatic: " + res.mResultLog, res.mResult);
}
//Test case 4: constructor for static AudioTrack, stereo, 8bit at misc valid sample rates
@LargeTest
public void testConstructorStereo8MusicStatic() throws Exception {
TestResults res = constructorTestMultiSampleRate(
AudioManager.STREAM_MUSIC, AudioTrack.MODE_STATIC,
AudioFormat.CHANNEL_OUT_STEREO, AudioFormat.ENCODING_PCM_8BIT,
AudioTrack.STATE_NO_STATIC_DATA);
assertTrue("testConstructorStereo8MusicStatic: " + res.mResultLog, res.mResult);
}
//-----------------------------------------------------------------
// AudioTrack constructor for all stream types
//----------------------------------
//Test case 1: constructor for all stream types
@LargeTest
public void testConstructorStreamType() throws Exception {
// constants for test
final int TYPE_TEST_SR = 22050;
final int TYPE_TEST_CONF = AudioFormat.CHANNEL_OUT_STEREO;
final int TYPE_TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TYPE_TEST_MODE = AudioTrack.MODE_STREAM;
final int[] STREAM_TYPES = { AudioManager.STREAM_ALARM, AudioManager.STREAM_BLUETOOTH_SCO,
AudioManager.STREAM_MUSIC, AudioManager.STREAM_NOTIFICATION,
AudioManager.STREAM_RING, AudioManager.STREAM_SYSTEM,
AudioManager.STREAM_VOICE_CALL, AudioManager.STREAM_DTMF, };
final String[] STREAM_NAMES = { "STREAM_ALARM", "STREAM_BLUETOOTH_SCO", "STREAM_MUSIC",
"STREAM_NOTIFICATION", "STREAM_RING", "STREAM_SYSTEM", "STREAM_VOICE_CALL", "STREAM_DTMF" };
boolean localTestRes = true;
AudioTrack track = null;
// test: loop constructor on all stream types
for (int i = 0 ; i < STREAM_TYPES.length ; i++)
{
try {
//-------- initialization --------------
track = new AudioTrack(STREAM_TYPES[i],
TYPE_TEST_SR, TYPE_TEST_CONF, TYPE_TEST_FORMAT,
AudioTrack.getMinBufferSize(TYPE_TEST_SR, TYPE_TEST_CONF, TYPE_TEST_FORMAT),
TYPE_TEST_MODE);
} catch (IllegalArgumentException iae) {
loge("testConstructorStreamType", "exception for stream type "
+ STREAM_NAMES[i] + ": "+ iae);
localTestRes = false;
}
//-------- test --------------
if (track != null) {
if (track.getState() != AudioTrack.STATE_INITIALIZED) {
localTestRes = false;
Log.e("MediaAudioTrackTest",
"[ testConstructorStreamType ] failed for stream type "+STREAM_NAMES[i]);
}
//-------- tear down --------------
track.release();
}
else {
localTestRes = false;
}
}
assertTrue("testConstructorStreamType", localTestRes);
}
//-----------------------------------------------------------------
// Playback head position
//----------------------------------
//Test case 1: getPlaybackHeadPosition() at 0 after initialization
@LargeTest
public void testPlaybackHeadPositionAfterInit() throws Exception {
// constants for test
final String TEST_NAME = "testPlaybackHeadPositionAfterInit";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_STEREO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT), TEST_MODE);
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME, track.getPlaybackHeadPosition() == 0);
//-------- tear down --------------
track.release();
}
//Test case 2: getPlaybackHeadPosition() increases after play()
@LargeTest
public void testPlaybackHeadPositionIncrease() throws Exception {
// constants for test
final String TEST_NAME = "testPlaybackHeadPositionIncrease";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_STEREO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize/2];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
track.write(data, 0, data.length);
track.write(data, 0, data.length);
track.play();
Thread.sleep(100);
log(TEST_NAME, "position ="+ track.getPlaybackHeadPosition());
assertTrue(TEST_NAME, track.getPlaybackHeadPosition() > 0);
//-------- tear down --------------
track.release();
}
//Test case 3: getPlaybackHeadPosition() is 0 after flush();
@LargeTest
public void testPlaybackHeadPositionAfterFlush() throws Exception {
// constants for test
final String TEST_NAME = "testPlaybackHeadPositionAfterFlush";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_STEREO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize/2];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
track.write(data, 0, data.length);
track.write(data, 0, data.length);
track.play();
Thread.sleep(100);
track.stop();
track.flush();
log(TEST_NAME, "position ="+ track.getPlaybackHeadPosition());
assertTrue(TEST_NAME, track.getPlaybackHeadPosition() == 0);
//-------- tear down --------------
track.release();
}
//Test case 3: getPlaybackHeadPosition() is 0 after stop();
@LargeTest
public void testPlaybackHeadPositionAfterStop() throws Exception {
// constants for test
final String TEST_NAME = "testPlaybackHeadPositionAfterStop";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_STEREO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize/2];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
track.write(data, 0, data.length);
track.write(data, 0, data.length);
track.play();
Thread.sleep(100);
track.stop();
Thread.sleep(100); // TODO: what is a sensible value?
int pos = track.getPlaybackHeadPosition();
log(TEST_NAME, "position ="+ pos);
assertTrue(TEST_NAME, pos == 0);
//-------- tear down --------------
track.release();
}
//Test case 4: getPlaybackHeadPosition() is > 0 after play(); pause();
@LargeTest
public void testPlaybackHeadPositionAfterPause() throws Exception {
// constants for test
final String TEST_NAME = "testPlaybackHeadPositionAfterPause";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_STEREO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize/2];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
track.write(data, 0, data.length);
track.write(data, 0, data.length);
track.play();
Thread.sleep(100);
track.pause();
int pos = track.getPlaybackHeadPosition();
log(TEST_NAME, "position ="+ pos);
assertTrue(TEST_NAME, pos > 0);
//-------- tear down --------------
track.release();
}
//-----------------------------------------------------------------
// Playback properties
//----------------------------------
//Test case 1: setStereoVolume() with max volume returns SUCCESS
@LargeTest
public void testSetStereoVolumeMax() throws Exception {
// constants for test
final String TEST_NAME = "testSetStereoVolumeMax";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_STEREO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize/2];
//-------- test --------------
track.write(data, 0, data.length);
track.write(data, 0, data.length);
track.play();
float maxVol = AudioTrack.getMaxVolume();
assertTrue(TEST_NAME, track.setStereoVolume(maxVol, maxVol) == AudioTrack.SUCCESS);
//-------- tear down --------------
track.release();
}
//Test case 2: setStereoVolume() with min volume returns SUCCESS
@LargeTest
public void testSetStereoVolumeMin() throws Exception {
// constants for test
final String TEST_NAME = "testSetStereoVolumeMin";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_STEREO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize/2];
//-------- test --------------
track.write(data, 0, data.length);
track.write(data, 0, data.length);
track.play();
float minVol = AudioTrack.getMinVolume();
assertTrue(TEST_NAME, track.setStereoVolume(minVol, minVol) == AudioTrack.SUCCESS);
//-------- tear down --------------
track.release();
}
//Test case 3: setStereoVolume() with mid volume returns SUCCESS
@LargeTest
public void testSetStereoVolumeMid() throws Exception {
// constants for test
final String TEST_NAME = "testSetStereoVolumeMid";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_STEREO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize/2];
//-------- test --------------
track.write(data, 0, data.length);
track.write(data, 0, data.length);
track.play();
float midVol = (AudioTrack.getMaxVolume() - AudioTrack.getMinVolume()) / 2;
assertTrue(TEST_NAME, track.setStereoVolume(midVol, midVol) == AudioTrack.SUCCESS);
//-------- tear down --------------
track.release();
}
//Test case 4: setPlaybackRate() with half the content rate returns SUCCESS
@LargeTest
public void testSetPlaybackRate() throws Exception {
// constants for test
final String TEST_NAME = "testSetPlaybackRate";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_STEREO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize/2];
//-------- test --------------
track.write(data, 0, data.length);
track.write(data, 0, data.length);
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
track.play();
assertTrue(TEST_NAME, track.setPlaybackRate((int)(TEST_SR/2)) == AudioTrack.SUCCESS);
//-------- tear down --------------
track.release();
}
//Test case 5: setPlaybackRate(0) returns bad value error
@LargeTest
public void testSetPlaybackRateZero() throws Exception {
// constants for test
final String TEST_NAME = "testSetPlaybackRateZero";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_STEREO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
minBuffSize, TEST_MODE);
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME, track.setPlaybackRate(0) == AudioTrack.ERROR_BAD_VALUE);
//-------- tear down --------------
track.release();
}
//Test case 6: setPlaybackRate() accepts values twice the output sample rate
@LargeTest
public void testSetPlaybackRateTwiceOutputSR() throws Exception {
// constants for test
final String TEST_NAME = "testSetPlaybackRateTwiceOutputSR";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_STEREO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize/2];
int outputSR = AudioTrack.getNativeOutputSampleRate(TEST_STREAM_TYPE);
//-------- test --------------
track.write(data, 0, data.length);
track.write(data, 0, data.length);
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
track.play();
assertTrue(TEST_NAME, track.setPlaybackRate(2*outputSR) == AudioTrack.SUCCESS);
//-------- tear down --------------
track.release();
}
//Test case 7: setPlaybackRate() and retrieve value, should be the same for half the content SR
@LargeTest
public void testSetGetPlaybackRate() throws Exception {
// constants for test
final String TEST_NAME = "testSetGetPlaybackRate";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_STEREO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize/2];
//-------- test --------------
track.write(data, 0, data.length);
track.write(data, 0, data.length);
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
track.play();
track.setPlaybackRate((int)(TEST_SR/2));
assertTrue(TEST_NAME, track.getPlaybackRate() == (int)(TEST_SR/2));
//-------- tear down --------------
track.release();
}
//Test case 8: setPlaybackRate() invalid operation if track not initialized
@LargeTest
public void testSetPlaybackRateUninit() throws Exception {
// constants for test
final String TEST_NAME = "testSetPlaybackRateUninit";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STATIC;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
minBuffSize, TEST_MODE);
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_NO_STATIC_DATA);
assertTrue(TEST_NAME,
track.setPlaybackRate(TEST_SR/2) == AudioTrack.ERROR_INVALID_OPERATION);
//-------- tear down --------------
track.release();
}
//-----------------------------------------------------------------
// Playback progress
//----------------------------------
//Test case 1: setPlaybackHeadPosition() on playing track
@LargeTest
public void testSetPlaybackHeadPositionPlaying() throws Exception {
// constants for test
final String TEST_NAME = "testSetPlaybackHeadPositionPlaying";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
2*minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
track.write(data, 0, data.length);
track.write(data, 0, data.length);
track.play();
assertTrue(TEST_NAME,
track.setPlaybackHeadPosition(10) == AudioTrack.ERROR_INVALID_OPERATION);
//-------- tear down --------------
track.release();
}
//Test case 2: setPlaybackHeadPosition() on stopped track
@LargeTest
public void testSetPlaybackHeadPositionStopped() throws Exception {
// constants for test
final String TEST_NAME = "testSetPlaybackHeadPositionStopped";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
2*minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
track.write(data, 0, data.length);
track.write(data, 0, data.length);
track.play();
track.stop();
assumeTrue(TEST_NAME, track.getPlayState() == AudioTrack.PLAYSTATE_STOPPED);
assertTrue(TEST_NAME, track.setPlaybackHeadPosition(10) == AudioTrack.SUCCESS);
//-------- tear down --------------
track.release();
}
//Test case 3: setPlaybackHeadPosition() on paused track
@LargeTest
public void testSetPlaybackHeadPositionPaused() throws Exception {
// constants for test
final String TEST_NAME = "testSetPlaybackHeadPositionPaused";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
2*minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
track.write(data, 0, data.length);
track.write(data, 0, data.length);
track.play();
track.pause();
assumeTrue(TEST_NAME, track.getPlayState() == AudioTrack.PLAYSTATE_PAUSED);
assertTrue(TEST_NAME, track.setPlaybackHeadPosition(10) == AudioTrack.SUCCESS);
//-------- tear down --------------
track.release();
}
//Test case 4: setPlaybackHeadPosition() beyond what has been written
@LargeTest
public void testSetPlaybackHeadPositionTooFar() throws Exception {
// constants for test
final String TEST_NAME = "testSetPlaybackHeadPositionTooFar";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
2*minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize];
// make up a frame index that's beyond what has been written: go from buffer size to frame
// count (given the audio track properties), and add 77.
int frameIndexTooFar = (2*minBuffSize/2) + 77;
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
track.write(data, 0, data.length);
track.write(data, 0, data.length);
track.play();
track.stop();
assumeTrue(TEST_NAME, track.getPlayState() == AudioTrack.PLAYSTATE_STOPPED);
assertTrue(TEST_NAME, track.setPlaybackHeadPosition(frameIndexTooFar) == AudioTrack.ERROR_BAD_VALUE);
//-------- tear down --------------
track.release();
}
//Test case 5: setLoopPoints() fails for MODE_STREAM
@LargeTest
public void testSetLoopPointsStream() throws Exception {
// constants for test
final String TEST_NAME = "testSetLoopPointsStream";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
2*minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize];
//-------- test --------------
track.write(data, 0, data.length);
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME, track.setLoopPoints(2, 50, 2) == AudioTrack.ERROR_INVALID_OPERATION);
//-------- tear down --------------
track.release();
}
//Test case 6: setLoopPoints() fails start > end
@LargeTest
public void testSetLoopPointsStartAfterEnd() throws Exception {
// constants for test
final String TEST_NAME = "testSetLoopPointsStartAfterEnd";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STATIC;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize];
//-------- test --------------
track.write(data, 0, data.length);
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME, track.setLoopPoints(50, 0, 2) == AudioTrack.ERROR_BAD_VALUE);
//-------- tear down --------------
track.release();
}
//Test case 6: setLoopPoints() success
@LargeTest
public void testSetLoopPointsSuccess() throws Exception {
// constants for test
final String TEST_NAME = "testSetLoopPointsSuccess";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STATIC;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize];
//-------- test --------------
track.write(data, 0, data.length);
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME, track.setLoopPoints(0, 50, 2) == AudioTrack.SUCCESS);
//-------- tear down --------------
track.release();
}
//Test case 7: setLoopPoints() fails with loop length bigger than content
@LargeTest
public void testSetLoopPointsLoopTooLong() throws Exception {
// constants for test
final String TEST_NAME = "testSetLoopPointsLoopTooLong";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STATIC;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize];
int dataSizeInFrames = minBuffSize/2;
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_NO_STATIC_DATA);
track.write(data, 0, data.length);
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME,
track.setLoopPoints(10, dataSizeInFrames+20, 2) == AudioTrack.ERROR_BAD_VALUE);
//-------- tear down --------------
track.release();
}
//Test case 8: setLoopPoints() fails with start beyond what can be written for the track
@LargeTest
public void testSetLoopPointsStartTooFar() throws Exception {
// constants for test
final String TEST_NAME = "testSetLoopPointsStartTooFar";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STATIC;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize];
int dataSizeInFrames = minBuffSize/2;//16bit data
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_NO_STATIC_DATA);
track.write(data, 0, data.length);
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME,
track.setLoopPoints(dataSizeInFrames+20, dataSizeInFrames+50, 2)
== AudioTrack.ERROR_BAD_VALUE);
//-------- tear down --------------
track.release();
}
//Test case 9: setLoopPoints() fails with end beyond what can be written for the track
@LargeTest
public void testSetLoopPointsEndTooFar() throws Exception {
// constants for test
final String TEST_NAME = "testSetLoopPointsEndTooFar";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STATIC;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize];
int dataSizeInFrames = minBuffSize/2;//16bit data
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_NO_STATIC_DATA);
track.write(data, 0, data.length);
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME,
track.setLoopPoints(dataSizeInFrames-10, dataSizeInFrames+50, 2)
== AudioTrack.ERROR_BAD_VALUE);
//-------- tear down --------------
track.release();
}
//-----------------------------------------------------------------
// Audio data supply
//----------------------------------
//Test case 1: write() fails when supplying less data (bytes) than declared
@LargeTest
public void testWriteByteOffsetTooBig() throws Exception {
// constants for test
final String TEST_NAME = "testWriteByteOffsetTooBig";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
2*minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME,
track.write(data, 10, data.length) == AudioTrack.ERROR_BAD_VALUE);
//-------- tear down --------------
track.release();
}
//Test case 2: write() fails when supplying less data (shorts) than declared
@LargeTest
public void testWriteShortOffsetTooBig() throws Exception {
// constants for test
final String TEST_NAME = "testWriteShortOffsetTooBig";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
2*minBuffSize, TEST_MODE);
short data[] = new short[minBuffSize/2];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME,
track.write(data, 10, data.length) == AudioTrack.ERROR_BAD_VALUE);
//-------- tear down --------------
track.release();
}
//Test case 3: write() fails when supplying less data (bytes) than declared
@LargeTest
public void testWriteByteSizeTooBig() throws Exception {
// constants for test
final String TEST_NAME = "testWriteByteSizeTooBig";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
2*minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME,
track.write(data, 0, data.length + 10) == AudioTrack.ERROR_BAD_VALUE);
//-------- tear down --------------
track.release();
}
//Test case 4: write() fails when supplying less data (shorts) than declared
@LargeTest
public void testWriteShortSizeTooBig() throws Exception {
// constants for test
final String TEST_NAME = "testWriteShortSizeTooBig";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
2*minBuffSize, TEST_MODE);
short data[] = new short[minBuffSize/2];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME,
track.write(data, 0, data.length + 10) == AudioTrack.ERROR_BAD_VALUE);
//-------- tear down --------------
track.release();
}
//Test case 5: write() fails with negative offset
@LargeTest
public void testWriteByteNegativeOffset() throws Exception {
// constants for test
final String TEST_NAME = "testWriteByteNegativeOffset";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
2*minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME,
track.write(data, -10, data.length - 10) == AudioTrack.ERROR_BAD_VALUE);
//-------- tear down --------------
track.release();
}
//Test case 6: write() fails with negative offset
@LargeTest
public void testWriteShortNegativeOffset() throws Exception {
// constants for test
final String TEST_NAME = "testWriteShortNegativeOffset";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
2*minBuffSize, TEST_MODE);
short data[] = new short[minBuffSize/2];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME,
track.write(data, -10, data.length - 10) == AudioTrack.ERROR_BAD_VALUE);
//-------- tear down --------------
track.release();
}
//Test case 7: write() fails with negative size
@LargeTest
public void testWriteByteNegativeSize() throws Exception {
// constants for test
final String TEST_NAME = "testWriteByteNegativeSize";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
2*minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME,
track.write(data, 0, -10) == AudioTrack.ERROR_BAD_VALUE);
//-------- tear down --------------
track.release();
}
//Test case 8: write() fails with negative size
@LargeTest
public void testWriteShortNegativeSize() throws Exception {
// constants for test
final String TEST_NAME = "testWriteShortNegativeSize";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
2*minBuffSize, TEST_MODE);
short data[] = new short[minBuffSize/2];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME,
track.write(data, 0, -10) == AudioTrack.ERROR_BAD_VALUE);
//-------- tear down --------------
track.release();
}
//Test case 9: write() succeeds and returns the size that was written for 16bit
@LargeTest
public void testWriteByte() throws Exception {
// constants for test
final String TEST_NAME = "testWriteByte";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
2*minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME,
track.write(data, 0, data.length) == data.length);
//-------- tear down --------------
track.release();
}
//Test case 10: write() succeeds and returns the size that was written for 16bit
@LargeTest
public void testWriteShort() throws Exception {
// constants for test
final String TEST_NAME = "testWriteShort";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
2*minBuffSize, TEST_MODE);
short data[] = new short[minBuffSize/2];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME,
track.write(data, 0, data.length) == data.length);
//-------- tear down --------------
track.release();
}
//Test case 11: write() succeeds and returns the size that was written for 8bit
@LargeTest
public void testWriteByte8bit() throws Exception {
// constants for test
final String TEST_NAME = "testWriteByte8bit";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_8BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
2*minBuffSize, TEST_MODE);
byte data[] = new byte[minBuffSize];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME,
track.write(data, 0, data.length) == data.length);
//-------- tear down --------------
track.release();
}
//Test case 12: write() succeeds and returns the size that was written for 8bit
@LargeTest
public void testWriteShort8bit() throws Exception {
// constants for test
final String TEST_NAME = "testWriteShort8bit";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_8BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization --------------
int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
2*minBuffSize, TEST_MODE);
short data[] = new short[minBuffSize/2];
//-------- test --------------
assumeTrue(TEST_NAME, track.getState() == AudioTrack.STATE_INITIALIZED);
assertTrue(TEST_NAME,
track.write(data, 0, data.length) == data.length);
//-------- tear down --------------
track.release();
}
//-----------------------------------------------------------------
// Getters
//----------------------------------
//Test case 1: getMinBufferSize() return ERROR_BAD_VALUE if SR < 4000
@LargeTest
public void testGetMinBufferSizeTooLowSR() throws Exception {
// constant for test
final String TEST_NAME = "testGetMinBufferSizeTooLowSR";
final int TEST_SR = 3999;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_8BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization & test --------------
assertTrue(TEST_NAME,
AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT)
== AudioTrack.ERROR_BAD_VALUE);
}
//Test case 2: getMinBufferSize() return ERROR_BAD_VALUE if SR > 48000
@LargeTest
public void testGetMinBufferSizeTooHighSR() throws Exception {
// constant for testg
final String TEST_NAME = "testGetMinBufferSizeTooHighSR";
final int TEST_SR = 48001;
final int TEST_CONF = AudioFormat.CHANNEL_OUT_MONO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_8BIT;
final int TEST_MODE = AudioTrack.MODE_STREAM;
final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
//-------- initialization & test --------------
assertTrue(TEST_NAME,
AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT)
== AudioTrack.ERROR_BAD_VALUE);
}
}
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