KinectGrabber.cpp

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/*
 * KinecGrabber.cpp
 *
 *  Created on: 20.03.2012
 *      Author: Thomas Wiemann
 */
 
#include <iostream>
using std::cout;
using std::endl;
 
#include "lvr2/io/KinectGrabber.hpp"
#include "lvr2/io/Timestamp.hpp"
 
namespace lvr2
{
 
KinectGrabber::KinectGrabber(freenect_context *_ctx, int _index)
        : Freenect::FreenectDevice(_ctx, _index),
        m_haveData(false)
{
        m_depthImage = std::vector<short>( 640 * 480, 0 );
        m_colorImage = std::vector<uint8_t>(freenect_find_video_mode(FREENECT_RESOLUTION_MEDIUM, FREENECT_VIDEO_RGB).bytes,0 );
 
}
 
void KinectGrabber::VideoCallback(void* data, uint32_t timestamp)
{
        m_colorMutex.lock();
        uint8_t* rgb = static_cast<uint8_t*>(data);
        std::copy(rgb, rgb+getVideoBufferSize(), m_colorImage.begin());
        m_colorMutex.unlock();
}
 
void KinectGrabber::getDepthImage(std::vector<short> &img)
{
        if(m_haveData)
        {
                m_depthMutex.lock();
                img.swap(m_depthImage);
                m_depthMutex.unlock();
                m_haveData = false;
        }
        else
        {
                img.clear();
                img.resize(0);
        }
}
 
void KinectGrabber::getColorImage(std::vector<uint8_t> &img)
{
        m_colorMutex.lock();
        img.swap(m_colorImage);
        m_colorMutex.unlock();
}
 
 
void KinectGrabber::DepthCallback(void* data, uint32_t timestamp)
{
        m_depthMutex.lock();
        short* depth = static_cast<short*>(data);
        for( unsigned int i = 0 ; i < 640*480 ; i++) {
                m_depthImage[i] = depth[i];
        }
        m_haveData = true;
        m_depthMutex.unlock();
}
 
 
KinectGrabber::~KinectGrabber()
{
 
 
}
 
} // namespace lvr2