/*
This file is part of jpcsp.

Jpcsp 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.

Jpcsp 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 Jpcsp.  If not, see <http://www.gnu.org/licenses/>.
 */
package jpcsp.media.codec.aac;

import static jpcsp.media.codec.aac.AacDecoder.MAX_PREDICTORS;
import jpcsp.util.Utilities;

/**
 * Single Channel Element - used for both SCE and LFE elements.
 */
public class SingleChannelElement {
	public IndividualChannelStream ics = new IndividualChannelStream();
	public TemporalNoiseShaping tns = new TemporalNoiseShaping();
	public Pulse pulse = new Pulse();
	public int bandType[] = new int[128];           ///< band types
	public int bandTypeRunEnd[] = new int[120];     ///< band type run end points
	public float sf[] = new float[120];             ///< scalefactors
	public float coeffs[] = new float[1024];        ///< coefficients for IMDCT
	public float saved[] = new float[1536];         ///< overlap
	public float retBuf[] = new float[2048];          ///< PCM output buffer
	public float ltpState[] = new float[3072];        ///< time signal for LTP
	public PredictorState predictorState[] = new PredictorState[MAX_PREDICTORS];
	public float ret[];

	public SingleChannelElement() {
		for (int i = 0; i < predictorState.length; i++) {
			predictorState[i] = new PredictorState();
		}
	}

	public void copy(SingleChannelElement that) {
		ics.copy(that.ics);
		tns.copy(that.tns);
		pulse.copy(that.pulse);
		Utilities.copy(bandType, that.bandType);
		Utilities.copy(bandTypeRunEnd, that.bandTypeRunEnd);
		Utilities.copy(sf, that.sf);
		Utilities.copy(coeffs, that.coeffs);
		Utilities.copy(saved, that.saved);
		Utilities.copy(retBuf, that.retBuf);
		Utilities.copy(ltpState, that.ltpState);
		for (int i = 0; i < predictorState.length; i++) {
			predictorState[i].copy(that.predictorState[i]);
		}
		ret = that.ret;
	}
}