/******************************************************************************* * SDR Trunk * Copyright (C) 2014,2015 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 dsp.am; import sample.Listener; import sample.complex.ComplexBuffer; import sample.real.RealBuffer; public class AMDemodulator_CB extends AMDemodulator implements Listener<ComplexBuffer> { private Listener<RealBuffer> mListener; public AMDemodulator_CB( float gain ) { super( gain ); } @Override public void receive( ComplexBuffer buffer ) { if( mListener != null ) { float[] samples = buffer.getSamples(); int half = samples.length / 2; float[] demodulated = new float[ half ]; for( int x = 0; x < half; x++ ) { int index = x * 2; demodulated[ x ] = demodulate( samples[ index ], samples[ index + 1 ] ); } mListener.receive( new RealBuffer( demodulated ) ); } } public void setListener( Listener<RealBuffer> listener ) { mListener = listener; } public void removeListener() { mListener = null; } public void dispose() { mListener = null; } }