UncompressedAVICapture.cpp

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// ****************************************************************************
// This file is part of the Integrating Vision Toolkit (IVT).
//
// The IVT is maintained by the Karlsruhe Institute of Technology (KIT)
// (www.kit.edu) in cooperation with the company Keyetech (www.keyetech.de).
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// All rights reserved.
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// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
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//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
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// 3. Neither the name of the KIT nor the names of its contributors may be
//    used to endorse or promote products derived from this software
//    without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE KIT AND CONTRIBUTORS “AS IS” AND ANY
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// ****************************************************************************
// ****************************************************************************
// Filename:  UncompressedAVICapture.cpp
// Author:    Pedram Azad
// Date:      2004
// ****************************************************************************


// ****************************************************************************
// Includes
// ****************************************************************************

#include <new> // for explicitly using correct new/delete operators on VC DSPs

#include "UncompressedAVICapture.h"
#include "VideoAccess/VideoReader.h"
#include "Image/ImageProcessor.h"
#include "Image/ByteImage.h"



// ****************************************************************************
// Constructor / Destructor
// ****************************************************************************

CUncompressedAVICapture::CUncompressedAVICapture(const char *pFilePath, const char *pSecondFilePath)
{
        m_sFilePath = "";
        m_sFilePath += pFilePath;

        m_sSecondFilePath = "";
        m_pVideoReader = new CVideoReader();

        if (pSecondFilePath)
        {
                m_sSecondFilePath += pSecondFilePath;
                m_bStereo = true;
                m_pSecondVideoReader = new CVideoReader();
        }
        else
        {
                m_pSecondVideoReader = 0;
                m_bStereo = false;
        }
}

CUncompressedAVICapture::~CUncompressedAVICapture()
{
        if (m_pVideoReader)
                delete m_pVideoReader;

        if (m_pSecondVideoReader)
                delete m_pSecondVideoReader;
}


// ****************************************************************************
// Methods
// ****************************************************************************

int CUncompressedAVICapture::GetWidth()
{
        return m_bOK ? m_pVideoReader->GetWidth() : -1;
}

int CUncompressedAVICapture::GetHeight()
{
        return m_bOK ? m_pVideoReader->GetHeight() : -1;
}

CByteImage::ImageType CUncompressedAVICapture::GetType()
{
                return m_bOK ? m_pVideoReader->GetType() : (CByteImage::ImageType) -1;
}


bool CUncompressedAVICapture::OpenCamera()
{
        CloseCamera();
        
        m_bOK = false;

        if (!m_pVideoReader->OpenUncompressedAVI(m_sFilePath.c_str()))
                return false;

        if (m_bStereo)
        {
                if (!m_pSecondVideoReader->OpenUncompressedAVI(m_sSecondFilePath.c_str()))
                        return false;
                        
                if (m_pVideoReader->GetWidth() != m_pSecondVideoReader->GetWidth() || m_pVideoReader->GetHeight() != m_pSecondVideoReader->GetHeight())
                        return false;
        }
        
        m_bOK = true;
    
        return true;
}

void CUncompressedAVICapture::CloseCamera()
{
        m_pVideoReader->Close();

        if (m_pSecondVideoReader)
                m_pSecondVideoReader->Close();
}

bool CUncompressedAVICapture::CaptureImage(CByteImage **ppImages)
{
        CByteImage *pImage = m_pVideoReader->ReadNextFrame();
        if (!pImage)
                return false;

        ImageProcessor::CopyImage(pImage, ppImages[0]);
        
        if (m_bStereo)
        {
                pImage = m_pSecondVideoReader->ReadNextFrame();
                if (!pImage)
                        return false;

                ImageProcessor::CopyImage(pImage, ppImages[1]);
        }
        
        return true;
}