/*
    This file is part of Subsonic.

    Subsonic is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Subsonic is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Subsonic.  If not, see <http://www.gnu.org/licenses/>.

    Copyright 2014 (C) Scott Jackson
*/
package net.nullsum.audinaut.audiofx;

import android.media.audiofx.LoudnessEnhancer;
import android.util.Log;

public class LoudnessEnhancerController {
    private static final String TAG = LoudnessEnhancerController.class.getSimpleName();

    private LoudnessEnhancer enhancer;

    public LoudnessEnhancerController(int audioSessionId) {
        try {
            enhancer = new LoudnessEnhancer(audioSessionId);
        } catch (Throwable x) {
            Log.w(TAG, "Failed to create enhancer", x);
        }
    }

    public boolean isAvailable() {
        return enhancer != null;
    }

    public boolean isEnabled() {
        try {
            return isAvailable() && enhancer.getEnabled();
        } catch (Exception e) {
            return false;
        }
    }

    public void enable() {
        enhancer.setEnabled(true);
    }

    public void disable() {
        enhancer.setEnabled(false);
    }

    public float getGain() {
        return enhancer.getTargetGain();
    }

    public void setGain(int gain) {
        enhancer.setTargetGain(gain);
    }

    public void release() {
        if (isAvailable()) {
            enhancer.release();
        }
    }

}