EMIPLIB

miptinyjpegdecoder.h

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00001 /*
00002     
00003   This file is a part of EMIPLIB, the EDM Media over IP Library.
00004   
00005   Copyright (C) 2006-2011  Hasselt University - Expertise Centre for
00006                       Digital Media (EDM) (http://www.edm.uhasselt.be)
00007 
00008   This library is free software; you can redistribute it and/or
00009   modify it under the terms of the GNU Lesser General Public
00010   License as published by the Free Software Foundation; either
00011   version 2.1 of the License, or (at your option) any later version.
00012 
00013   This library is distributed in the hope that it will be useful,
00014   but WITHOUT ANY WARRANTY; without even the implied warranty of
00015   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00016   Lesser General Public License for more details.
00017 
00018   You should have received a copy of the GNU Lesser General Public
00019   License along with this library; if not, write to the Free Software
00020   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  
00021   USA
00022 
00023 */
00024 
00029 #ifndef MIPTINYJPEGDECODER_H
00030 
00031 #define MIPTINYJPEGDECODER_H
00032 
00033 #include "mipconfig.h"
00034 #include "mipcomponent.h"
00035 #include <list>
00036 
00037 class MIPVideoMessage;
00038 
00043 class EMIPLIB_IMPORTEXPORT MIPTinyJPEGDecoder : public MIPComponent
00044 {
00045 public:
00046         MIPTinyJPEGDecoder();
00047         ~MIPTinyJPEGDecoder();
00048 
00050         bool init();
00051 
00053         bool destroy();
00054 
00055         bool push(const MIPComponentChain &chain, int64_t iteration, MIPMessage *pMsg);
00056         bool pull(const MIPComponentChain &chain, int64_t iteration, MIPMessage **pMsg);
00057 private:
00058         void clearMessages();
00059         
00060         bool m_init;
00061         int64_t m_prevIteration;
00062 
00063         std::list<MIPVideoMessage *> m_messages;
00064         std::list<MIPVideoMessage *>::const_iterator m_msgIt;
00065 };
00066 
00067 #endif // MIPTINYJPEGDECODER_H
00068