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

Example 96 with AudioTrack

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

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 97 with AudioTrack

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

the class MediaAudioTrackTest method testSetPlaybackRateUninit.

//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();
}

Example 98 with AudioTrack

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

the class MediaAudioTrackTest method testWriteByte.

//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();
}

Example 99 with AudioTrack

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

the class MediaAudioTrackTest method testWriteShortNegativeSize.

//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();
}

Example 100 with AudioTrack

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

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();
}