/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.restcomm.media.spi.dsp;
import org.restcomm.media.spi.format.Format;
import org.restcomm.media.spi.memory.Frame;
/**
* Digital signaling processor.
*
* DSP transforms media from its original format to one of the specified
* output format. Output formats are specified as array where order of the
* formats defines format's priority. If frame has format matching to output
* format the frame won't be changed.
* @author kulikov
*/
public interface Processor {
/**
* Gets the list of supported codecs.
*
* @return array of codecs
*/
public Codec[] getCodecs();
/**
* Transforms supplied frame if frame's format does not match to any
* of the supported output formats and such transcoding is possible.
*
* @param frame the frame for transcoding
* @return transcoded frame
*/
public Frame process(Frame frame,Format source,Format destination);
}