Examples with AudioTrack android.media.AudioTrack used on opensource projects

Example 91 with AudioTrack

use of android.media.AudioTrack in project android_frameworks_base by AOSPA.

the class MediaAudioTrackTest method testPlaybackHeadPositionAfterFlush.

//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();
}

Example 92 with AudioTrack

use of android.media.AudioTrack in project android_frameworks_base by AOSPA.

the class MediaAudioTrackTest method testSetLoopPointsSuccess.

//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();
}

Example 93 with AudioTrack

use of android.media.AudioTrack in project android_frameworks_base by AOSPA.

the class MediaAudioTrackTest method testSetStereoVolumeMax.

//-----------------------------------------------------------------
//      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();
}

Example 94 with AudioTrack

use of android.media.AudioTrack in project android_frameworks_base by AOSPA.

the class MediaAudioTrackTest method testSetPlaybackRateTwiceOutputSR.

//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();
}

Example 95 with AudioTrack

use of android.media.AudioTrack in project android_frameworks_base by AOSPA.

the class MediaAudioTrackTest method testSetLoopPointsEndTooFar.

//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];
    //16bit data
    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(dataSizeInFrames - 10, dataSizeInFrames + 50, 2) == AudioTrack.ERROR_BAD_VALUE);
    //-------- tear down      --------------
    track.release();
}