Java Code Examples for android.media.audiofx.Equalizer#getBandLevelRange()

The following examples show how to use android.media.audiofx.Equalizer#getBandLevelRange() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: MusicService.java    From YTPlayer with GNU General Public License v3.0 6 votes vote down vote up 
static void setDefaultEqualizerValues() {
    try {
        boolean isSet = settingPref.getBoolean("equalizer_default",false);
        if (!isSet) {
            SharedPreferences.Editor editor = settingPref.edit();
            int sessionId = player.getAudioComponent().getAudioSessionId();

            mEqualizer = new Equalizer(1000,sessionId);
            short numberFrequencyBands = mEqualizer.getNumberOfBands();
            final short lowerEqualizerBandLevel = mEqualizer.getBandLevelRange()[0];
            final short upperEqualizerBandLevel = mEqualizer.getBandLevelRange()[1];

            editor.putInt("bandLength",numberFrequencyBands);
            editor.putInt("lowerBand",lowerEqualizerBandLevel);
            editor.putInt("higherBand",upperEqualizerBandLevel);
            editor.putBoolean("equalizer_default",true);
            editor.apply();

            mEqualizer.release();
        }
    }catch (Exception ignored){}
}
Example 2
Source File: EqualizerView.java    From PainlessMusicPlayer with Apache License 2.0 5 votes vote down vote up 
private List<Item> buildItems(@NonNull final Equalizer equalizer) {
    final List<Item> items = new ArrayList<>(equalizer.getNumberOfBands());

    final short[] bandLevelRange = equalizer.getBandLevelRange();
    final short minEQLevel = bandLevelRange[0];
    final short maxEQLevel = bandLevelRange[1];

    eqLevelRange = maxEQLevel - minEQLevel;
    minEqLevel = minEQLevel;
    final Resources res = getResources();
    for (short i = 0; i < equalizer.getNumberOfBands(); i++) {
        final Item item = new Item();
        final int herz = equalizer.getCenterFreq(i) / 1000;
        final String herzText;
        if (herz > 1000) {
            final NumberFormat formatter = NumberFormat.getInstance(Locale.US);
            formatter.setMaximumFractionDigits(1);
            formatter.setMinimumFractionDigits(0);
            formatter.setRoundingMode(RoundingMode.HALF_UP);
            herzText = res.getString(R.string.s_kHz, formatter.format((float) herz / 1000f));
        } else {
            herzText = res.getString(R.string.d_Hz, herz);
        }
        item.title = herzText;
        item.seekBarValue = equalizer.getBandLevel(i) - minEQLevel;
        items.add(item);
    }
    return items;
}
Example 3
Source File: StandardEqualizer.java    From android-openslmediaplayer with Apache License 2.0 5 votes vote down vote up 
private void initializeForCompat() {
    final int MIN = 0;
    final int MAX = 1;

    final Equalizer eq = getEqualizer();

    mNumBands = eq.getNumberOfBands();
    mNumPresets = eq.getNumberOfPresets();

    short[] levelRange = eq.getBandLevelRange();

    mBandLevelMin = levelRange[0];
    mBandLevelMax = levelRange[1];

    mBandFreqRange = new int[mNumBands][2];
    mBandCenterFreq = new int[mNumBands];
    for (short band = 0; band < mNumBands; band++) {
        int center = eq.getCenterFreq(band);
        int[] range = eq.getBandFreqRange(band);
        mBandFreqRange[band][MIN] = range[MIN];
        mBandFreqRange[band][MAX] = range[MAX];
        mBandCenterFreq[band] = center;
    }

    // correct center freq. & band freq. range
    int[] correctedCenterFreq = new int[mNumBands];
    int[][] correctedBandFreqRange = new int[mNumBands][2];

    if (EqualizerBandInfoCorrector.correct(
            mNumBands, mBandCenterFreq, mBandFreqRange,
            correctedCenterFreq, correctedBandFreqRange)) {
        mCorrectedCenterFreq = correctedCenterFreq;
        mCorrectedBandFreqRange = correctedBandFreqRange;
    }

    initializePresetWorkarounds();
}
Example 4
Source File: RemoteEqualizer.java    From Jockey with Apache License 2.0 4 votes vote down vote up 
public RemoteEqualizer(Equalizer eq) {
    this(getEqualizerBands(eq), getEqualizerPresets(eq), eq.getProperties(),
            eq.getBandLevelRange());
}