/*
   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Her Majesty
   the Queen in Right of Canada (Communications Research Center Canada)

   Copyright (C) 2016
   Matthias P. Braendli, matthias.braendli@mpb.li

    http://opendigitalradio.org
 */
/*
   This file is part of ODR-DabMod.

   ODR-DabMod 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.

   ODR-DabMod 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 ODR-DabMod.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#ifdef HAVE_CONFIG_H
#   include <config.h>
#endif


#include "Buffer.h"

#include <sys/types.h>
#include <vector>

class ModPlugin
{
public:
    virtual int process(
            std::vector<Buffer*> dataIn,
            std::vector<Buffer*> dataOut) = 0;
    virtual const char* name() = 0;
};

/* Inputs are sources, the output buffers without reading any */
class ModInput : public ModPlugin
{
public:
    virtual int process(
            std::vector<Buffer*> dataIn,
            std::vector<Buffer*> dataOut);
    virtual int process(Buffer* dataOut) = 0;
};

/* Codecs are 1-input 1-output flowgraph plugins */
class ModCodec : public ModPlugin
{
public:
    virtual int process(
            std::vector<Buffer*> dataIn,
            std::vector<Buffer*> dataOut);
    virtual int process(Buffer* const dataIn, Buffer* dataOut) = 0;
};

/* Muxes are N-input 1-output flowgraph plugins */
class ModMux : public ModPlugin
{
public:
    virtual int process(
            std::vector<Buffer*> dataIn,
            std::vector<Buffer*> dataOut);
    virtual int process(std::vector<Buffer*> dataIn, Buffer* dataOut) = 0;
};

/* Outputs do not create any output buffers */
class ModOutput : public ModPlugin
{
public:
    virtual int process(
            std::vector<Buffer*> dataIn,
            std::vector<Buffer*> dataOut);
    virtual int process(Buffer* dataIn) = 0;
};