miprawvideomessage.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 MIPRAWVIDEOMESSAGE_H

#define MIPRAWVIDEOMESSAGE_H

#include "mipconfig.h"
#include "mipvideomessage.h"
#include "miptypes.h"
#include "miptime.h"
#include <string.h>

#define MIPRAWVIDEOMESSAGE_TYPE_YUV420P                                                         0x00000001
#define MIPRAWVIDEOMESSAGE_TYPE_YUYV                                                            0x00000002
#define MIPRAWVIDEOMESSAGE_TYPE_RGB24                                                           0x00000004
#define MIPRAWVIDEOMESSAGE_TYPE_RGB32                                                           0x00000008

class EMIPLIB_IMPORTEXPORT MIPRawYUV420PVideoMessage : public MIPVideoMessage
{
public:
        MIPRawYUV420PVideoMessage(int width, int height, uint8_t *pData, bool deleteData) : MIPVideoMessage(true, MIPRAWVIDEOMESSAGE_TYPE_YUV420P, width, height)
                                                                                                { m_pData = pData; m_deleteData = deleteData; }
        ~MIPRawYUV420PVideoMessage()                                                            { if (m_deleteData) delete [] m_pData; }

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

        MIPMediaMessage *createCopy() const
        {
                size_t dataSize = (getWidth()*getHeight()*3)/2;
                uint8_t *pData = new uint8_t [dataSize];

                memcpy(pData, m_pData, dataSize);
                MIPMediaMessage *pMsg = new MIPRawYUV420PVideoMessage(getWidth(), getHeight(), pData, true);
                pMsg->copyMediaInfoFrom(*this);
                return pMsg;
        }
private:
        bool m_deleteData;
        uint8_t *m_pData;
};

class EMIPLIB_IMPORTEXPORT MIPRawYUYVVideoMessage : public MIPVideoMessage
{
public:
        MIPRawYUYVVideoMessage(int width, int height, uint8_t *pData, bool deleteData) : MIPVideoMessage(true, MIPRAWVIDEOMESSAGE_TYPE_YUYV, width, height)
                                                                                                { m_pData = pData; m_deleteData = deleteData; }
        ~MIPRawYUYVVideoMessage()                                                               { if (m_deleteData) delete [] m_pData; }

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

        MIPMediaMessage *createCopy() const
        {
                size_t dataSize = getWidth()*getHeight()*2;
                uint8_t *pData = new uint8_t [dataSize];

                memcpy(pData, m_pData, dataSize);
                MIPMediaMessage *pMsg = new MIPRawYUYVVideoMessage(getWidth(), getHeight(), pData, true);
                pMsg->copyMediaInfoFrom(*this);
                return pMsg;
        }
private:
        bool m_deleteData;
        uint8_t *m_pData;
};

class EMIPLIB_IMPORTEXPORT MIPRawRGBVideoMessage : public MIPVideoMessage
{
public:
        MIPRawRGBVideoMessage(int width, int height, uint8_t *pData, bool depth32, bool deleteData) : MIPVideoMessage(true, (depth32)?MIPRAWVIDEOMESSAGE_TYPE_RGB32:MIPRAWVIDEOMESSAGE_TYPE_RGB24, width, height)
                                                                                                { m_pData = pData; m_deleteData = deleteData; m_depth32 = depth32; }
        ~MIPRawRGBVideoMessage()                                                                { if (m_deleteData) delete [] m_pData; }

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

        bool is32Bit() const                                                                    { return m_depth32; }

        MIPMediaMessage *createCopy() const
        {
                size_t dataSize = getWidth()*getHeight();

                if (m_depth32)
                        dataSize *= 4;
                else
                        dataSize *= 3;

                uint8_t *pData = new uint8_t [dataSize];

                memcpy(pData, m_pData, dataSize);
                MIPMediaMessage *pMsg = new MIPRawRGBVideoMessage(getWidth(), getHeight(), pData, m_depth32, true);
                pMsg->copyMediaInfoFrom(*this);
                return pMsg;
        }
private:
        bool m_deleteData;
        uint8_t *m_pData;
        bool m_depth32;
};

#endif // MIPRAWVIDEOMESSAGE_H