mipulawdecoder.h

Go to the documentation of this file.

/*

   This file is a part of EMIPLIB, the EDM Media over IP Library.

   Copyright (C) 2006-2011  Hasselt University - Expertise Centre for
   Digital Media (EDM) (http://www.edm.uhasselt.be)

   This library 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 library 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 library; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  
   USA

*/

#ifndef MIPULAWDECODER_H

#define MIPULAWDECODER_H

#include "mipconfig.h"
#include "mipcomponent.h"
#include "miptime.h"
#include <list>

class MIPRaw16bitAudioMessage;

class EMIPLIB_IMPORTEXPORT MIPULawDecoder : public MIPComponent
{
public:
        MIPULawDecoder();
        ~MIPULawDecoder();

        bool init();

        bool destroy();

        bool push(const MIPComponentChain &chain, int64_t iteration, MIPMessage *pMsg);
        bool pull(const MIPComponentChain &chain, int64_t iteration, MIPMessage **pMsg);
private:
        void clearMessages();
        
        bool m_init;
        int64_t m_prevIteration;

        std::list<MIPRaw16bitAudioMessage *> m_messages;
        std::list<MIPRaw16bitAudioMessage *>::const_iterator m_msgIt;

        static int16_t m_decompressionTable[256];
};      

#endif // MIPULAWDECODER_H