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

Example 81 with AudioTrack

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

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();
}

Example 82 with AudioTrack

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

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();
}

Example 83 with AudioTrack

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

the class MediaAudioTrackTest method testSetPlaybackHeadPositionStopped.

//Test case 2: setPlaybackHeadPosition() on stopped track
@LargeTest
public void testSetPlaybackHeadPositionStopped() throws Exception {
    // constants for test
    final String TEST_NAME = "testSetPlaybackHeadPositionStopped";
    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();
    track.stop();
    assumeTrue(TEST_NAME, track.getPlayState() == AudioTrack.PLAYSTATE_STOPPED);
    assertTrue(TEST_NAME, track.setPlaybackHeadPosition(10) == AudioTrack.SUCCESS);
    //-------- tear down      --------------
    track.release();
}

Example 84 with AudioTrack

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

the class MediaAudioTrackTest method testWriteShort.

//Test case 10: write() succeeds and returns the size that was written for 16bit
@LargeTest
public void testWriteShort() throws Exception {
    // constants for test
    final String TEST_NAME = "testWriteShort";
    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, data.length) == data.length);
    //-------- tear down      --------------
    track.release();
}

Example 85 with AudioTrack

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

the class BlockingAudioTrack method waitAndRelease.

public void waitAndRelease() {
    AudioTrack track = null;
    synchronized (mAudioTrackLock) {
        track = mAudioTrack;
    }
    if (track == null) {
        if (DBG)
            Log.d(TAG, "Audio track null [duplicate call to waitAndRelease ?]");
        return;
    }
    // much point not doing that again.
    if (mBytesWritten < mAudioBufferSize && !mStopped) {
        if (DBG) {
            Log.d(TAG, "Stopping audio track to flush audio, state was : " + track.getPlayState() + ",stopped= " + mStopped);
        }
        mIsShortUtterance = true;
        track.stop();
    }
    // Block until the audio track is done only if we haven't stopped yet.
    if (!mStopped) {
        if (DBG)
            Log.d(TAG, "Waiting for audio track to complete : " + mAudioTrack.hashCode());
        blockUntilDone(mAudioTrack);
    }
    // it's safe to release at this point.
    if (DBG)
        Log.d(TAG, "Releasing audio track [" + track.hashCode() + "]");
    synchronized (mAudioTrackLock) {
        mAudioTrack = null;
    }
    track.release();
}