/*******************************************************************************
 * SDR Trunk
 * Copyright (C) 2015 Dennis Sheirer
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>
 ******************************************************************************/
package sample.real;

import sample.Listener;

/**
 * Assembles single float samples into a RealBuffer containing an array of floats
 */
public class RealToRealBufferAssembler implements RealSampleListener
{
    private int mBufferSize;
    private float[] mBuffer;
    private int mBufferPointer;

    private Listener<RealBuffer> mListener;

    public RealToRealBufferAssembler(int bufferSize)
    {
        mBufferSize = bufferSize;
        mBuffer = new float[mBufferSize];
    }

    public void dispose()
    {
        mListener = null;
        mBuffer = null;
    }

    public void reset()
    {
        mBuffer = new float[mBufferSize];
        mBufferPointer = 0;
    }

    @Override
    public void receive(float sample)
    {
        mBuffer[mBufferPointer++] = sample;

        if (mBufferPointer >= mBufferSize)
        {
            if (mListener != null)
            {
                mListener.receive(new RealBuffer(mBuffer));
            }

            mBuffer = new float[mBufferSize];
            mBufferPointer = 0;
        }
    }

    public void setListener(Listener<RealBuffer> listener)
    {
        mListener = listener;
    }
}