Example usage for android.media AudioFormat CHANNEL_OUT_STEREO

Introduction

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

Prototype

int CHANNEL_OUT_STEREO

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

Click Source Link

Usage

From source file:Main.java

public static int getOutFormat(int outChannels) {
    switch (outChannels) {
    case 1://from ww  w .  j a  va2 s .co  m
        return AudioFormat.CHANNEL_OUT_MONO;
    case 2:
        return AudioFormat.CHANNEL_OUT_STEREO;
    case 4:
        return AudioFormat.CHANNEL_OUT_QUAD;
    case 6:
        return AudioFormat.CHANNEL_OUT_5POINT1;
    case 8:
        return AudioFormat.CHANNEL_OUT_7POINT1;
    default:
        throw new IllegalArgumentException("illegal number of output channels: " + outChannels);
    }
}

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From source file:Main.java

public static AudioTrack createTrack(int samplingRate) {
    AudioTrack track = new AudioTrack(AudioManager.STREAM_MUSIC, samplingRate, AudioFormat.CHANNEL_OUT_STEREO,
            AudioFormat.ENCODING_DEFAULT, samplingRate, AudioTrack.MODE_STREAM);
    return track;
}

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From source file:Main.java

public static int outChannelMaskFromInChannelMask(int channelMask) {
    switch (channelMask) {
    case AudioFormat.CHANNEL_IN_MONO:
        return AudioFormat.CHANNEL_OUT_MONO;
    case AudioFormat.CHANNEL_IN_STEREO:
        return AudioFormat.CHANNEL_OUT_STEREO;
    default:/*w w  w.ja  v  a 2s  .c o m*/
        return AudioFormat.CHANNEL_INVALID;
    }
}

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From source file:de.badaix.snapcast.MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    for (int rate : new int[] { 8000, 11025, 16000, 22050, 44100, 48000 }) { // add the rates you wish to check against
        Log.d(TAG, "Samplerate: " + rate);
        int bufferSize = AudioRecord.getMinBufferSize(rate, AudioFormat.CHANNEL_OUT_STEREO,
                AudioFormat.ENCODING_PCM_16BIT);
        if (bufferSize > 0) {
            Log.d(TAG, "Samplerate: " + rate + ", buffer: " + bufferSize);
        }/*from www. ja v  a  2s .co m*/
    }

    AudioManager audioManager = (AudioManager) this.getSystemService(Context.AUDIO_SERVICE);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
        String rate = audioManager.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE);
        nativeSampleRate = Integer.valueOf(rate);
        //            String size = audioManager.getProperty(AudioManager.PROPERTY_OUTPUT_FRAMES_PER_BUFFER);
        //            tvInfo.setText("Sample rate: " + rate + ", buffer size: " + size);
    }

    coordinatorLayout = (CoordinatorLayout) findViewById(R.id.myCoordinatorLayout);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    // Create the adapter that will return a fragment for each of the three
    // primary sections of the activity.
    sectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());

    // Set up the ViewPager with the sections adapter.
    mViewPager = (ViewPager) findViewById(R.id.container);
    mViewPager.setAdapter(sectionsPagerAdapter);

    tabLayout = (TabLayout) findViewById(R.id.tabs);
    tabLayout.setupWithViewPager(mViewPager);
    mViewPager.setVisibility(View.GONE);

    setActionbarSubtitle("Host: no Snapserver found");

    new Thread(new Runnable() {
        @Override
        public void run() {
            Log.d(TAG, "copying snapclient");
            Setup.copyBinAsset(MainActivity.this, "snapclient", "snapclient");
            Log.d(TAG, "done copying snapclient");
        }
    }).start();

    sectionsPagerAdapter.setHideOffline(Settings.getInstance(this).getBoolean("hide_offline", false));
}

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From source file:com.xperia64.timidityae.Globals.java

public static int[] validRates(boolean stereo, boolean sixteen) {
    ArrayList<Integer> valid = new ArrayList<Integer>();
    for (int rate : new int[] { 8000, 11025, 16000, 22050, 44100, 48000, 88200, 96000 }) {

        int bufferSize = AudioTrack.getMinBufferSize(rate,
                (stereo) ? AudioFormat.CHANNEL_OUT_STEREO : AudioFormat.CHANNEL_OUT_MONO,
                (sixteen) ? AudioFormat.ENCODING_PCM_16BIT : AudioFormat.ENCODING_PCM_8BIT);
        if (bufferSize > 0) {
            //System.out.println(rate+" "+bufferSize);
            // buffer size is valid, Sample rate supported
            valid.add(rate);/* w ww . j  a  v  a  2 s. com*/
        }
    }
    int[] rates = new int[valid.size()];
    for (int i = 0; i < rates.length; i++)
        rates[i] = valid.get(i);
    return rates;
}

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From source file:com.xperia64.timidityae.Globals.java

public static SparseIntArray validBuffers(int[] rates, boolean stereo, boolean sixteen) {
    SparseIntArray buffers = new SparseIntArray();
    for (int rate : rates) {
        buffers.put(rate,/*  www.  j  ava  2  s  .c  o m*/
                AudioTrack.getMinBufferSize(rate,
                        (stereo) ? AudioFormat.CHANNEL_OUT_STEREO : AudioFormat.CHANNEL_OUT_MONO,
                        (sixteen) ? AudioFormat.ENCODING_PCM_16BIT : AudioFormat.ENCODING_PCM_8BIT));
    }
    return buffers;
    /*HashMap<Integer, Integer> buffers = new HashMap<Integer, Integer>();
    for(int rate : rates)
    {
       buffers.put(rate, AudioTrack.getMinBufferSize(rate, (stereo)?AudioFormat.CHANNEL_OUT_STEREO:AudioFormat.CHANNEL_OUT_MONO, (sixteen)?AudioFormat.ENCODING_PCM_16BIT:AudioFormat.ENCODING_PCM_8BIT));
    }
    return buffers;*/
}

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From source file:uk.co.armedpineapple.cth.SDLActivity.java

public static Object audioInit(int sampleRate, boolean is16Bit, boolean isStereo, int desiredFrames) {
    int channelConfig = isStereo ? AudioFormat.CHANNEL_OUT_STEREO : AudioFormat.CHANNEL_OUT_MONO;
    int audioFormat = is16Bit ? AudioFormat.ENCODING_PCM_16BIT : AudioFormat.ENCODING_PCM_8BIT;
    int frameSize = (isStereo ? 2 : 1) * (is16Bit ? 2 : 1);

    Log.v("SDL", "SDL audio: wanted " + (isStereo ? "stereo" : "mono") + " " + (is16Bit ? "16-bit" : "8-bit")
            + " " + (sampleRate / 1000f) + "kHz, " + desiredFrames + " frames buffer");

    // Let the user pick a larger buffer if they really want -- but ye
    // gods they probably shouldn't, the minimums are horrifyingly high
    // latency already
    desiredFrames = Math.max(desiredFrames,
            (AudioTrack.getMinBufferSize(sampleRate, channelConfig, audioFormat) + frameSize - 1) / frameSize);

    mAudioTrack = new AudioTrack(AudioManager.STREAM_MUSIC, sampleRate, channelConfig, audioFormat,
            desiredFrames * frameSize, AudioTrack.MODE_STREAM);

    audioStartThread();//w  w  w.j  a  va2  s .c o  m

    Log.v("SDL",
            "SDL audio: got " + ((mAudioTrack.getChannelCount() >= 2) ? "stereo" : "mono") + " "
                    + ((mAudioTrack.getAudioFormat() == AudioFormat.ENCODING_PCM_16BIT) ? "16-bit" : "8-bit")
                    + " " + (mAudioTrack.getSampleRate() / 1000f) + "kHz, " + desiredFrames + " frames buffer");

    if (is16Bit) {
        audioBuffer = new short[desiredFrames * (isStereo ? 2 : 1)];
    } else {
        audioBuffer = new byte[desiredFrames * (isStereo ? 2 : 1)];
    }
    return audioBuffer;
}

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