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

Example 11 with AudioTrack

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

the class MediaAudioTrackTest method testSetGetPlaybackRate.

//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();
}

Example 12 with AudioTrack

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

the class MediaAudioTrackTest method testPlaybackHeadPositionAfterInit.

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

Example 13 with AudioTrack

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

the class MediaAudioTrackTest method testSetPlaybackHeadPositionPlaying.

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

Example 14 with AudioTrack

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

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 15 with AudioTrack

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

the class MediaAudioTrackTest method testSetLoopPointsStream.

//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();
}