Example usage for android.media AudioFormat CHANNEL_CONFIGURATION_STEREO

Introduction

In this page you can find the example usage for android.media AudioFormat CHANNEL_CONFIGURATION_STEREO.

Prototype

int CHANNEL_CONFIGURATION_STEREO

To view the source code for android.media AudioFormat CHANNEL_CONFIGURATION_STEREO.

Click Source Link

Usage

From source file:Main.java

/**
 * Convert Android AudioFormat.CHANNEL_CONFIGURATION constants to integers
 * /*from  www.  j av a  2 s.  co m*/
 * @param androidChannels
 *            Android AudioFormat constant
 */
public static int getChannelConfig(int androidChannels) {
    switch (androidChannels) {
    case AudioFormat.CHANNEL_CONFIGURATION_MONO:
        return 1;
    case AudioFormat.CHANNEL_CONFIGURATION_STEREO:
        return 2;
    default:
        return 1;
    }
}

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From source file:Main.java

/**
 * Convert integers to AudioFormat.CHANNEL_CONFIGURATION constants
 * /*w  w w .j ava2 s  .c  o  m*/
 * @param numChannels
 *            number of channels, typically 1 or 2
 */
public static int getAndroidChannelConfig(int numChannels) {
    switch (numChannels) {
    case 1:
        return AudioFormat.CHANNEL_CONFIGURATION_MONO;
    case 2:
        return AudioFormat.CHANNEL_CONFIGURATION_STEREO;
    default:
        return AudioFormat.CHANNEL_CONFIGURATION_DEFAULT;
    }
}

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From source file:com.n0n3m4.q3e.Q3ECallbackObj.java

public void init(int size) {
    if (mAudioTrack != null)
        return;/*from w  w  w .  j a v  a2s .  c om*/
    if ((Q3EUtils.q3ei.isQ3) || (Q3EUtils.q3ei.isRTCW) || (Q3EUtils.q3ei.isQ1) || (Q3EUtils.q3ei.isQ2))
        size /= 8;

    mAudioData = new byte[size];
    int sampleFreq = 44100;

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    int bufferSize = Math.max((Q3EUtils.isOuya) ? 0 : 3 * size, AudioTrack.getMinBufferSize(sampleFreq,
            AudioFormat.CHANNEL_CONFIGURATION_STEREO, AudioFormat.ENCODING_PCM_16BIT));
    mAudioTrack = new Q3EAudioTrack(AudioManager.STREAM_MUSIC, sampleFreq,
            AudioFormat.CHANNEL_CONFIGURATION_STEREO, AudioFormat.ENCODING_PCM_16BIT, bufferSize,
            AudioTrack.MODE_STREAM);
    mAudioTrack.play();
    long sleeptime = (size * 1000000000l) / (2 * 2 * sampleFreq);
    ScheduledThreadPoolExecutor stpe = new ScheduledThreadPoolExecutor(5);
    stpe.scheduleAtFixedRate(new Runnable() {
        @Override
        public void run() {
            if (reqThreadrunning) {
                Q3EJNI.requestAudioData();
            }
        }
    }, 0, sleeptime, TimeUnit.NANOSECONDS);
}

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From source file:net.sf.asap.Player.java

public void run() {
    int config = info.getChannels() == 1 ? AudioFormat.CHANNEL_CONFIGURATION_MONO
            : AudioFormat.CHANNEL_CONFIGURATION_STEREO;
    int len = AudioTrack.getMinBufferSize(ASAP.SAMPLE_RATE, config, AudioFormat.ENCODING_PCM_8BIT);
    if (len < 16384)
        len = 16384;/*from   ww  w. ja v  a 2s . com*/
    final byte[] buffer = new byte[len];
    audioTrack = new AudioTrack(AudioManager.STREAM_MUSIC, ASAP.SAMPLE_RATE, config,
            AudioFormat.ENCODING_PCM_8BIT, len, AudioTrack.MODE_STREAM);
    audioTrack.play();

    for (;;) {
        synchronized (this) {
            if (len < buffer.length || isPaused()) {
                try {
                    wait();
                } catch (InterruptedException ex) {
                }
            }
            if (stop) {
                audioTrack.stop();
                return;
            }
        }
        synchronized (asap) {
            len = asap.generate(buffer, buffer.length, ASAPSampleFormat.U8);
        }
        audioTrack.write(buffer, 0, len);
    }
}

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From source file:com.tt.engtrain.showcontent.ContentListItemActivity.java

@Override
protected void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_baselist);
    mSpeechEvaluator = SpeechEvaluator.createEvaluator(ContentListItemActivity.this, null);
    mToast = Toast.makeText(this, "", Toast.LENGTH_SHORT);
    int iMinBufSize = AudioTrack.getMinBufferSize(8000, AudioFormat.CHANNEL_CONFIGURATION_STEREO,
            AudioFormat.ENCODING_PCM_16BIT);
    audioTrack = new AudioTrack(AudioManager.STREAM_MUSIC, 8000, AudioFormat.CHANNEL_CONFIGURATION_STEREO,
            AudioFormat.ENCODING_PCM_16BIT, iMinBufSize, AudioTrack.MODE_STREAM);
    mTts = SpeechSynthesizer.createSynthesizer(this, mTtsInitListener);
    initData();/*from w  w  w.ja va2s  . c  o  m*/
    initListView();
    // initspker();

}

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From source file:net.sf.asap.PlayerService.java

public void run() {
    // read file//from   w  w w . j av  a 2s .co m
    String filename = uri.getPath();
    byte[] module = new byte[ASAPInfo.MAX_MODULE_LENGTH];
    int moduleLen;
    try {
        InputStream is;
        switch (uri.getScheme()) {
        case "file":
            if (Util.isZip(filename)) {
                String zipFilename = filename;
                filename = uri.getFragment();
                is = new ZipInputStream(zipFilename, filename);
            } else
                is = new FileInputStream(filename);
            break;
        case "http":
            is = httpGet(uri);
            break;
        default:
            throw new FileNotFoundException(uri.toString());
        }
        moduleLen = Util.readAndClose(is, module);
    } catch (IOException ex) {
        showError(R.string.error_reading_file);
        return;
    }

    // load file
    try {
        asap.load(filename, module, moduleLen);
        info = asap.getInfo();
        switch (song) {
        case SONG_DEFAULT:
            song = info.getDefaultSong();
            break;
        case SONG_LAST:
            song = info.getSongs() - 1;
            break;
        default:
            break;
        }
        playSong();
    } catch (Exception ex) {
        showError(R.string.invalid_file);
        return;
    }

    PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(this, Player.class), 0);
    String title = info.getTitleOrFilename();
    Notification notification = new Notification(R.drawable.icon, title, System.currentTimeMillis());
    notification.flags |= Notification.FLAG_ONGOING_EVENT;
    notification.setLatestEventInfo(this, title, info.getAuthor(), contentIntent);
    startForegroundCompat(NOTIFICATION_ID, notification);

    // playback
    int channelConfig = info.getChannels() == 1 ? AudioFormat.CHANNEL_CONFIGURATION_MONO
            : AudioFormat.CHANNEL_CONFIGURATION_STEREO;
    int bufferLen = AudioTrack.getMinBufferSize(ASAP.SAMPLE_RATE, channelConfig,
            AudioFormat.ENCODING_PCM_16BIT) >> 1;
    if (bufferLen < 16384)
        bufferLen = 16384;
    final byte[] byteBuffer = new byte[bufferLen << 1];
    final short[] shortBuffer = new short[bufferLen];
    audioTrack = new AudioTrack(AudioManager.STREAM_MUSIC, ASAP.SAMPLE_RATE, channelConfig,
            AudioFormat.ENCODING_PCM_16BIT, bufferLen << 1, AudioTrack.MODE_STREAM);
    audioTrack.play();

    for (;;) {
        synchronized (this) {
            if (bufferLen < shortBuffer.length || isPaused()) {
                try {
                    wait();
                } catch (InterruptedException ex) {
                }
            }
            if (stop) {
                audioTrack.stop();
                return;
            }
        }
        synchronized (asap) {
            int pos = seekPosition;
            if (pos >= 0) {
                seekPosition = -1;
                try {
                    asap.seek(pos);
                } catch (Exception ex) {
                }
            }
            bufferLen = asap.generate(byteBuffer, byteBuffer.length, ASAPSampleFormat.S16_L_E) >> 1;
        }
        for (int i = 0; i < bufferLen; i++)
            shortBuffer[i] = (short) ((byteBuffer[i << 1] & 0xff) | byteBuffer[i << 1 | 1] << 8);
        audioTrack.write(shortBuffer, 0, bufferLen);
    }
}

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