mipencodedaudiomessage.h

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/*
    
  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 MIPENCODEDAUDIOMESSAGE_H

#define MIPENCODEDAUDIOMESSAGE_H

#include "mipconfig.h"
#include "mipaudiomessage.h"
#include "miptime.h"
#include <string.h>

#define MIPENCODEDAUDIOMESSAGE_TYPE_SPEEX                                                       0x00000001
#define MIPENCODEDAUDIOMESSAGE_TYPE_ULAW                                                        0x00000002
#define MIPENCODEDAUDIOMESSAGE_TYPE_ALAW                                                        0x00000004
#define MIPENCODEDAUDIOMESSAGE_TYPE_GSM                                                         0x00000008
#define MIPENCODEDAUDIOMESSAGE_TYPE_LPC                                                         0x00000010
#define MIPENCODEDAUDIOMESSAGE_TYPE_SILK                                                        0x00000020

class EMIPLIB_IMPORTEXPORT MIPEncodedAudioMessage : public MIPAudioMessage
{
public:
        MIPEncodedAudioMessage(uint32_t subType, int samplingRate, int numChannels, 
                               int numFrames, uint8_t *pData, size_t numBytes, bool deleteData) : MIPAudioMessage(false, subType, samplingRate, numChannels, numFrames)
                                                                                                        { m_deleteData = deleteData; m_pData = pData; m_dataLength = numBytes; }
        ~MIPEncodedAudioMessage()                                                                       { if (m_deleteData) delete [] m_pData; }

        const uint8_t *getData() const                                                                  { return m_pData; }

        size_t getDataLength() const                                                                    { return m_dataLength; }

        void setDataLength(size_t l)                                                                    { m_dataLength = l; }

        MIPMediaMessage *createCopy() const;
private:
        bool m_deleteData;
        uint8_t *m_pData;
        size_t m_dataLength;
};

inline MIPMediaMessage *MIPEncodedAudioMessage::createCopy() const
{
        uint8_t *pBytes = new uint8_t [m_dataLength];

        memcpy(pBytes, m_pData, m_dataLength);
        MIPMediaMessage *pMsg = new MIPEncodedAudioMessage(getMessageSubtype(), getSamplingRate(),
                                                           getNumberOfChannels(), getNumberOfFrames(),
                                                           pBytes, m_dataLength, true);
        pMsg->copyMediaInfoFrom(*this);
        return pMsg;
}

#endif // MIPENCODEDAUDIOMESSAGE_H