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

Example 26 with AudioTrack

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

the class MediaAudioTrackTest method testPlaybackHeadPositionIncrease.

//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();
}

Example 27 with AudioTrack

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

the class MediaAudioTrackTest method testWriteShort8bit.

//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();
}

Example 28 with AudioTrack

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

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 29 with AudioTrack

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

the class MediaAudioTrackTest method testWriteByteNegativeOffset.

//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();
}

Example 30 with AudioTrack

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

the class MediaAudioTrackTest method testSetStereoVolumeMin.

//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();
}