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

Example 61 with AudioTrack

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

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 62 with AudioTrack

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

the class MediaAudioTrackTest method testWriteShortNegativeOffset.

//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();
}

Example 63 with AudioTrack

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

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();
}

Example 64 with AudioTrack

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

the class MediaAudioTrackTest method testWriteByte8bit.

//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();
}

Example 65 with AudioTrack

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

the class MediaAudioTrackTest method testWriteByteOffsetTooBig.

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