CtVideo.cpp 23.4 KB
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#include <list>
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#include "lima/HwVideoCtrlObj.h"
#include "lima/CtVideo.h"
#include "lima/CtAcquisition.h"
#include "lima/CtImage.h"
#include "lima/CtBuffer.h"
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#include "processlib/PoolThreadMgr.h"
#include "processlib/SinkTask.h"
#include "processlib/TaskMgr.h"
#include "processlib/Binning.h"
#include "processlib/SoftRoi.h"
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using namespace lima;
enum ParModifyMask
  {
    PARMODIFYMASK_EXPOSURE 	= 1U << 0,
    PARMODIFYMASK_GAIN 		= 1U << 1,
    PARMODIFYMASK_MODE	 	= 1U << 2,
    PARMODIFYMASK_ROI 		= 1U << 3,
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    PARMODIFYMASK_BIN 		= 1U << 4,
    PARMODIFYMASK_AUTO_GAIN     = 1U << 5,
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  };
// --- CtVideo::Data2Imagetask
class CtVideo::_Data2ImageTask : public SinkTaskBase
{
  DEB_CLASS_NAMESPC(DebModControl,"Data to image","Control");
public:
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  _Data2ImageTask(CtVideo &cnt) : SinkTaskBase(),m_nb_buffer(0),m_cnt(cnt) {}
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  virtual void process(Data &aData)
  {
    DEB_MEMBER_FUNCT();
    DEB_PARAM() << DEB_VAR1(aData);
    
    AutoMutex aLock(m_cnt.m_cond.mutex());
    VideoImage *anImage = m_cnt.m_write_image;
    DEB_TRACE() << DEB_VAR1(*anImage);
    while(anImage->inused)
      m_cnt.m_cond.wait();
    anImage->inused = -1;	// Write Mode
    aLock.unlock();
    
    data2Image(aData,*anImage);
    
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    //Check if data is still available
    bool still_available = _check_available(aData);

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    aLock.lock();
    anImage->inused = 0;	// Unlock
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    if(!still_available)
      {
	DEB_ALWAYS() << "invalidate video copy";
	anImage->frameNumber = -1; // invalidate copy
	return;
      }

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    ++m_cnt.m_image_counter;

    // if read Image is not use, swap
    if(!m_cnt.m_read_image->inused)
      {
	m_cnt.m_write_image = m_cnt.m_read_image;
	m_cnt.m_write_image->frameNumber = -1;
	m_cnt.m_read_image = anImage;

	if(m_cnt.m_image_callback)
	  {
	    CtVideo::Image anImageWrapper(&m_cnt,anImage);
	    ImageCallback *cb = m_cnt.m_image_callback;
	    aLock.unlock();
	    cb->newImage(anImageWrapper);
	  }
      }
  }
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  long m_nb_buffer;
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private:
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  inline bool _check_available(Data& aData)
  {
    CtControl::ImageStatus status;
    m_cnt.m_ct.getImageStatus(status);
    
    long offset = status.LastImageAcquired - aData.frameNumber;
    return offset < m_nb_buffer;
  }

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  CtVideo &m_cnt;
};

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class CtVideo::_videoBackgroundCallback : public TaskEventCallback
{
public:
  _videoBackgroundCallback(CtVideo::ImageCallback *cbk,CtVideo::Image& image) :
    TaskEventCallback(),m_cbk(cbk),m_image(image)
  {
  }
  virtual void finished(Data&)
  {
    m_cbk->newImage(m_image);
  }
private:
  CtVideo::ImageCallback*	m_cbk;
  CtVideo::Image		m_image;
};

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// --- CtVideo::_Data2ImageCBK 
class CtVideo::_Data2ImageCBK : public TaskEventCallback
{
  DEB_CLASS_NAMESPC(DebModControl,"CtVideo::_Data2ImageCBK","Control");
public:
  _Data2ImageCBK(CtVideo &aCtVideo) : m_video(aCtVideo) {}
  virtual void finished(Data &aData)
  {
    DEB_MEMBER_FUNCT();
    DEB_PARAM() << DEB_VAR1(aData);

    m_video._data2image_finnished(aData);
  }
private:
  CtVideo &m_video;
};
// --- CtVideo::_InternalImageCBK
class CtVideo::_InternalImageCBK : public HwVideoCtrlObj::ImageCallback
{
  DEB_CLASS_NAMESPC(DebModControl,"CtVideo::_InternalImageCBK","Control");
public:
  _InternalImageCBK(CtVideo &video) : 
    HwVideoCtrlObj::ImageCallback(),
    m_video(video),m_buffer(video.m_video->getBuffer()) {}
  virtual ~_InternalImageCBK() {}
  
protected:
  virtual bool newImage(char * data,int width,int height,VideoMode mode);
private:
  CtVideo& 		m_video;
  StdBufferCbMgr& 	m_buffer;
};

bool CtVideo::_InternalImageCBK::newImage(char * data,int width,int height,VideoMode mode)
{
  DEB_MEMBER_FUNCT();
  DEB_PARAM() << DEB_VAR4((void*)data,width,height,mode);

  bool liveFlag;
  AutoMutex aLock(m_video.m_cond.mutex());
  if(m_video.m_stopping_live) return false;

  liveFlag = m_video.m_pars.live;
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  int image_counter = (int) m_video.m_image_counter + 1;
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  aLock.unlock();
    
  if(!liveFlag)			// Classic acquisition
    {
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      void *ptr = m_buffer.getFrameBufferPtr(image_counter);
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      try
	{
	  lima::image2YUV((unsigned char*)data,width,height,mode,(unsigned char*)ptr);
	  HwFrameInfoType frame_info;
	  frame_info.acq_frame_nb = image_counter;
	  m_buffer.newFrameReady(frame_info);
	}
      // Should happen only when video format is not implemented (Debug mode)
      catch(Exception &exc)
	{
	  std::cerr << exc.getErrMsg() << std::endl;
	  return false;
	}
    }

  aLock.lock();
  ++m_video.m_image_counter;
  VideoImage *anImage = m_video.m_write_image;
  if(anImage->inused) return true;			// Skip it (Should never happen!)
  anImage->inused = -1;		// Write Mode
  aLock.unlock();
  
  anImage->setParams(image_counter,width,height,mode);
  memcpy(anImage->buffer,data,int(anImage->size()));

  aLock.lock();
  anImage->inused = 0;
  // if read Image is not use, swap
  if(!m_video.m_read_image->inused)
    {
      m_video.m_write_image = m_video.m_read_image;
      m_video.m_write_image->frameNumber = -1;
      m_video.m_read_image = anImage;
   
      if(m_video.m_image_callback)
	{
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	  CtVideo::Image anImageWrapper(&m_video,anImage);
	  aLock.unlock();

	  SinkTaskBase* cbk_task = new SinkTaskBase();
	  _videoBackgroundCallback *video_cbk = new _videoBackgroundCallback(m_video.m_image_callback,
									     anImageWrapper);


	  cbk_task->setEventCallback(video_cbk);
	  video_cbk->unref();

	  TaskMgr *mgr = new TaskMgr();
	  mgr->addSinkTask(0,cbk_task);
	  cbk_task->unref();

	  PoolThreadMgr::get().addProcess(mgr);
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	}
    }
  return true;
}
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#ifdef WITH_CONFIG
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// --- _ConfigHandler
class CtVideo::_ConfigHandler : public CtConfig::ModuleTypeCallback
{
public:
  _ConfigHandler(CtVideo& video):
    CtConfig::ModuleTypeCallback("Video"),
    m_video(video) {}
  virtual void store(Setting& video_setting)
  {
    CtVideo::Parameters pars;
    m_video.getParameters(pars);

    video_setting.set("live",pars.live);
    video_setting.set("exposure",pars.exposure);
    video_setting.set("gain",pars.gain);
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    video_setting.set("auto_gain_mode",convert_2_string(pars.auto_gain_mode));
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    video_setting.set("mode",convert_2_string(pars.mode));

    // --- Roi
    Setting roi_setting = video_setting.addChild("roi");

    const Point& topleft = pars.roi.getTopLeft();
    roi_setting.set("x",topleft.x);
    roi_setting.set("y",topleft.y);

    const Size& roiSize = pars.roi.getSize();
    roi_setting.set("width",roiSize.getWidth());
    roi_setting.set("height",roiSize.getHeight());

    // --- Bin
    Setting bin_setting = video_setting.addChild("bin");
    
    bin_setting.set("x",pars.bin.getX());
    bin_setting.set("y",pars.bin.getY());
  }
  virtual void restore(const Setting& video_setting)
  {
    CtVideo::Parameters pars;
    m_video.getParameters(pars);

    video_setting.get("live",pars.live);
    video_setting.get("exposure",pars.exposure);
    video_setting.get("gain",pars.gain);

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    std::string str_auto_gain_mode;
    if(video_setting.get("auto_gain_mode",str_auto_gain_mode))
      convert_from_string(str_auto_gain_mode,pars.auto_gain_mode);

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    std::string strmode;
    if(video_setting.get("mode",strmode))
      convert_from_string(strmode,pars.mode);

    // --- Bin
    Setting bin_setting;
    if(video_setting.getChild("bin",bin_setting))
      {
	int x,y;
	if(bin_setting.get("x",x) &&
	   bin_setting.get("y",y))
	  pars.bin = Bin(x,y);
      }
    // --- Roi
    Setting roi_setting;
    if(video_setting.getChild("roi",roi_setting))
      {
	Point topleft;
	int width,height;
	if(roi_setting.get("x",topleft.x) &&
	   roi_setting.get("y",topleft.y) &&
	   roi_setting.get("width",width) &&
	   roi_setting.get("height",height))
	  pars.roi = Roi(topleft.x,topleft.y,
			 width,height);
      }
    m_video.setParameters(pars);
  }
private:
  CtVideo& m_video;
};
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#endif //WITH_CONFIG

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// --- CtVideo::Image
CtVideo::Image::Image() : m_video(NULL),m_image(NULL) {}

CtVideo::Image::~Image()
{
  if(m_video)
    {
      AutoMutex aLock(m_video->m_cond.mutex());
      --(m_image->inused);
      m_video->m_cond.broadcast();
    }
}

CtVideo::Image::Image(const Image &anOther) :
  m_video(anOther.m_video),
  m_image(anOther.m_image)
{
  if(m_video)
    {
      AutoMutex aLock(m_video->m_cond.mutex());
      ++(m_image->inused);
    }
}

CtVideo::Image& CtVideo::Image::operator=(const CtVideo::Image &other)
{
  if(this != &other)
    {
      if(other.m_video)
	{
	  AutoMutex aLock(other.m_video->m_cond.mutex());
	  ++(other.m_image->inused);
	}

      if(m_video)
	{
	  AutoMutex aLock(m_video->m_cond.mutex());
	  --(m_image->inused);
	  m_video->m_cond.broadcast();
	}

      m_video = other.m_video;
      m_image = other.m_image;
    }
  return *this;
}
/** @brief an other contructor
 *  This methode should be call under Lock
 */
CtVideo::Image::Image(const CtVideo *video,VideoImage *image) :
  m_video(video),
  m_image(image)
{
  ++(m_image->inused);
}

const char* CtVideo::Image::buffer() const
{
  return m_image ? m_image->buffer : NULL;
}

int CtVideo::Image::width() const
{
  return m_image ? m_image->width : -1;
}

int CtVideo::Image::height() const
{
  return m_image ? m_image->height : -1;
}

VideoMode CtVideo::Image::mode() const
{
  return m_image ? m_image->mode : Y8;
}

int CtVideo::Image::size() const
{
  return m_image ? int(m_image->size() + 0.5) : 0;
}

long long CtVideo::Image::frameNumber() const
{
  return m_image ? m_image->frameNumber : -1;
}
// --- CtVideo class
CtVideo::CtVideo(CtControl &ct) :
  m_pars_modify_mask(0),
  m_ready_flag(true),
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  m_image_counter(-1),
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  m_read_image(new VideoImage()),
  m_write_image(new VideoImage()),
  m_image_callback(NULL),
  m_internal_image_callback(NULL),
  m_ct(ct),
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  m_stopping_live(false),
  m_active_flag(false)
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{
  HwInterface *hw = ct.hwInterface();
  m_has_video = hw->getHwCtrlObj(m_video);
  hw->getHwCtrlObj(m_sync);
  m_data_2_image_task = new _Data2ImageTask(*this);

  m_data_2_image_cb = new _Data2ImageCBK(*this);
  m_data_2_image_task->setEventCallback(m_data_2_image_cb);

  // Params init
  if(m_has_video)
    {
      m_internal_image_callback = new _InternalImageCBK(*this);
      m_video->getGain(m_pars.gain);
      m_video->getVideoMode(m_pars.mode);
      m_video->registerImageCallback(*m_internal_image_callback);
    }
}

CtVideo::~CtVideo()
{
  m_data_2_image_task->unref();
  m_data_2_image_cb->unref();
  delete m_read_image;
  delete m_write_image;
  delete m_internal_image_callback;
}

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void CtVideo::setActive(bool aFlag)
{
  AutoMutex aLock(m_cond.mutex());
  m_active_flag = aFlag;
}

bool CtVideo::isActive() const
{
  AutoMutex aLock(m_cond.mutex());
  return m_active_flag;
}
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// --- parameters
void CtVideo::setParameters(const Parameters &pars)
{
  //All check
  _check_video_mode(pars.mode);

  AutoMutex aLock(m_cond.mutex());

  if(m_pars.exposure != pars.exposure) 		m_pars_modify_mask |= PARMODIFYMASK_EXPOSURE;
  if(m_pars.gain != pars.gain) 			m_pars_modify_mask |= PARMODIFYMASK_GAIN;
  if(m_pars.mode != pars.mode) 			m_pars_modify_mask |= PARMODIFYMASK_MODE;
  if(m_pars.roi != pars.roi) 			m_pars_modify_mask |= PARMODIFYMASK_ROI;
  if(m_pars.bin != pars.bin) 			m_pars_modify_mask |= PARMODIFYMASK_BIN;

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  bool previousLive = m_pars.live;
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  m_pars = pars;
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  m_pars.live = previousLive;
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  _apply_params(aLock);
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  aLock.unlock();

  _setLive(pars.live);
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}
void CtVideo::getParameters(Parameters &pars) const
{
  AutoMutex aLock(m_cond.mutex());
  pars = m_pars;
}

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void CtVideo::_setLive(bool liveFlag)
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{
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  DEB_MEMBER_FUNCT();
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  DEB_PARAM() << DEB_VAR1(liveFlag);
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  AutoMutex aLock(m_cond.mutex());

  while(m_stopping_live) m_cond.wait();

  if(m_pars.live == liveFlag)	// nothing to do
    return;

  CtControl::Status status;
  m_ct.getStatus(status);
  if(liveFlag && status.AcquisitionStatus != AcqReady)
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    THROW_CTL_ERROR(Error) <<  "Can't set live mode if an acquisition is running";
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  _apply_params(aLock,liveFlag);
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  if(m_has_video)
    {
      if(!liveFlag)
	{
	  m_stopping_live = true;
	  aLock.unlock();
	}

      m_video->setLive(liveFlag);

      if(!liveFlag)
	{
	  aLock.lock();
	  m_stopping_live = false;
	  m_cond.signal();
	}
    }
  else
    {
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      DEB_TRACE() << "NO specific video controller do the defaults :";
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      if(liveFlag)
	{
	  CtAcquisition *acqPt = m_ct.acquisition();
	  acqPt->setAcqNbFrames(0);	// Live
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	  DEB_TRACE() << "Set the number of frame to collect to 0 at the CtAcquisition level";
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	  aLock.unlock();
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	  DEB_TRACE() << "Preparing the acquisition at the controller level";
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	  m_ct.prepareAcq();
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	  aLock.lock();
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	  DEB_TRACE() << "Starting the acquisition at teh controller level";
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	  m_ct.startAcq();
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	  DEB_TRACE() << "Done with the startAcq.";
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	}
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      else {
	//aLock.unlock();
	DEB_TRACE() << "Stopping the acquisition at the controller level";
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	m_ct.stopAcq();
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      }
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    }
  m_pars.live = liveFlag;
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  m_active_flag = m_active_flag || m_pars.live;
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}
void CtVideo::getLive(bool &liveFlag) const
{
  AutoMutex aLock(m_cond.mutex());
  liveFlag = m_pars.live;
}

void CtVideo::setExposure(double anExposure)
{
  AutoMutex aLock(m_cond.mutex());
  m_pars.exposure = anExposure,m_pars_modify_mask |= PARMODIFYMASK_EXPOSURE;
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  _apply_params(aLock);
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}

void CtVideo::getExposure(double &anExposure) const
{
  AutoMutex aLock(m_cond.mutex());
  anExposure = m_pars.exposure;
}

void CtVideo::setGain(double aGain)
{
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  DEB_MEMBER_FUNCT();
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  DEB_PARAM() << DEB_VAR1(aGain);

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  if(!m_has_video)
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    THROW_CTL_ERROR(Error) << "Can't change the gain on Scientific camera";
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  if(aGain < 0. || aGain > 1.)
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    THROW_CTL_ERROR(InvalidValue) << "Gain should be between 0. and 1.";
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  AutoMutex aLock(m_cond.mutex());
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  if(m_pars.auto_gain_mode == ON)
    THROW_CTL_ERROR(Error) << "Should disable auto gain to set gain";

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  m_pars.gain = aGain,m_pars_modify_mask |= PARMODIFYMASK_GAIN;
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  _apply_params(aLock);
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}
void CtVideo::getGain(double &aGain) const
{
  AutoMutex aLock(m_cond.mutex());
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  if(m_pars.auto_gain_mode == OFF)
    aGain = m_pars.gain;
  else
    m_video->getGain(aGain);
}

bool CtVideo::checkAutoGainMode(AutoGainMode mode) const
{
  DEB_MEMBER_FUNCT();
  DEB_PARAM() << DEB_VAR1(mode);

  bool check_flag = false;
  if(m_has_video)
    {
      switch(mode)
	{
	case ON:
	  check_flag = m_video->checkAutoGainMode(HwVideoCtrlObj::ON);
	  break;
	case OFF:
	  check_flag = m_video->checkAutoGainMode(HwVideoCtrlObj::OFF);
	  break;
	case ON_LIVE:
	  check_flag = m_video->checkAutoGainMode(HwVideoCtrlObj::ON) &&
	    m_video->checkAutoGainMode(HwVideoCtrlObj::OFF);
	  break;
	default:
	  break;
	}
    }
  DEB_RETURN() << DEB_VAR1(check_flag);
  return check_flag;
}

void CtVideo::getAutoGainModeList(AutoGainModeList& modes) const
{
  DEB_MEMBER_FUNCT();
  int nb_modes = 0;
  if(m_video->checkAutoGainMode(HwVideoCtrlObj::OFF))
    modes.push_back(OFF),++nb_modes;
  if(m_video->checkAutoGainMode(HwVideoCtrlObj::ON))
    modes.push_back(ON),++nb_modes;

  if(nb_modes == 2)		// All modes
    modes.push_back(ON_LIVE);
}

void CtVideo::setAutoGainMode(AutoGainMode mode)
{
  DEB_MEMBER_FUNCT();
  if(!checkAutoGainMode(mode))
    THROW_CTL_ERROR(NotSupported) << DEB_VAR1(mode);
  AutoMutex aLock(m_cond.mutex());
  m_pars.auto_gain_mode = mode,m_pars_modify_mask |= PARMODIFYMASK_AUTO_GAIN;
  _apply_params(aLock);
}

void CtVideo::getAutoGainMode(AutoGainMode& mode) const
{
  AutoMutex aLock(m_cond.mutex());
  mode = m_pars.auto_gain_mode;
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}

void CtVideo::setMode(VideoMode aMode)
{
  _check_video_mode(aMode);
  AutoMutex aLock(m_cond.mutex());
  m_pars.mode = aMode,m_pars_modify_mask |= PARMODIFYMASK_MODE;
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  _apply_params(aLock);
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}
void CtVideo::getMode(VideoMode &aMode) const
{
  AutoMutex aLock(m_cond.mutex());
  aMode = m_pars.mode;
}

void CtVideo::setRoi(const Roi &aRoi)
{
  AutoMutex aLock(m_cond.mutex());
  m_pars.roi = aRoi,m_pars_modify_mask |= PARMODIFYMASK_ROI;
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  _apply_params(aLock);
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}
void CtVideo::getRoi(Roi &aRoi) const
{
  AutoMutex aLock(m_cond.mutex());
  aRoi = m_pars.roi;
}

void CtVideo::setBin(const Bin &aBin)
{
  AutoMutex aLock(m_cond.mutex());
  m_pars.bin = aBin,m_pars_modify_mask |= PARMODIFYMASK_BIN;
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  _apply_params(aLock);
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}
void CtVideo::getBin(Bin &aBin) const
{
  AutoMutex aLock(m_cond.mutex());
  aBin = m_pars.bin;
}

// --- images
void CtVideo::getLastImage(CtVideo::Image &anImage) const
{
  AutoMutex aLock(m_cond.mutex());
  if(m_write_image->inused >= 0 && // No writter
     m_write_image->frameNumber >= m_read_image->frameNumber)
    {
      VideoImage *tmp = m_read_image;
      m_read_image = m_write_image;
      m_write_image = tmp;
      m_write_image->frameNumber = -1;
    }
  CtVideo::Image tmpImage(this,m_read_image);
  aLock.unlock();
  
  anImage = tmpImage;
}

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void CtVideo::getLastImageCounter(long long &anImageCounter) const
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{
  AutoMutex aLock(m_cond.mutex());
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  anImageCounter = m_image_counter;
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}

void CtVideo::registerImageCallback(ImageCallback &cb)
{
  DEB_MEMBER_FUNCT();

  AutoMutex aLock(m_cond.mutex());
  DEB_PARAM() << DEB_VAR2(&cb, m_image_callback);
  
  if(m_image_callback)
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    THROW_CTL_ERROR(InvalidValue) << "ImageCallback already registered";
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  m_image_callback = &cb;
}

void CtVideo::unregisterImageCallback(ImageCallback &cb)
{
  DEB_MEMBER_FUNCT();

  AutoMutex aLock(m_cond.mutex());
  DEB_PARAM() << DEB_VAR2(&cb, m_image_callback);
  if(m_image_callback != &cb)
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    THROW_CTL_ERROR(InvalidValue) << "ImageCallback not registered"; 
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  m_image_callback = NULL;
}

// --- video mode
void CtVideo::getSupportedVideoMode(std::list<VideoMode> &modeList)
{
  DEB_MEMBER_FUNCT();

  if(m_has_video)
    m_video->getSupportedVideoMode(modeList);
  else				// TODO
    {
      CtImage* image = m_ct.image();
      ImageType anImageType;
      image->getImageType(anImageType);
      switch(anImageType)
	{
	case Bpp8:
	case Bpp8S:
	  modeList.push_back(Y8); break;
	case Bpp10:
	case Bpp10S: 
	case Bpp12:
	case Bpp12S:
	case Bpp14:
	case Bpp14S:
	case Bpp16:
	case Bpp16S:
	  modeList.push_back(Y16); break;
	case Bpp32:
	case Bpp32S:
	  modeList.push_back(Y32); break;
	default:
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	  THROW_CTL_ERROR(Error) <<  "Image type not yet managed";
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	}
    }
}

// --- callback from CtControl
void CtVideo::frameReady(Data &aData)
{
  DEB_MEMBER_FUNCT();
  if(!m_has_video)
    {
      AutoMutex aLock(m_cond.mutex());
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      if(m_active_flag)
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	{
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	  if(m_ready_flag)
	    {
	      m_ready_flag = false;
	      Bin aBin = m_pars.bin;
	      Roi aRoi = m_pars.roi;
	      aLock.unlock();
	      _data_2_image(aData,aBin,aRoi);
	    }
	  else
	    m_last_data = aData;
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	}
    }
}

void CtVideo::_data_2_image(Data &aData,Bin &aBin,Roi &aRoi)
{
  DEB_MEMBER_FUNCT();
  TaskMgr *anImageCopy = new TaskMgr();
  int runLevel = 0;
  if(aBin.getX() > 1 || aBin.getY() > 1)
    {
      Tasks::Binning *aBinTaskPt = new Tasks::Binning();
      aBinTaskPt->mXFactor = aBin.getX();
      aBinTaskPt->mYFactor = aBin.getY();
      anImageCopy->setLinkTask(runLevel,aBinTaskPt);
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      aBinTaskPt->setProcessingInPlace(false);
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      aBinTaskPt->unref();
      ++runLevel;
    }
  if(aRoi.isActive())
    {
      Point topl= aRoi.getTopLeft();
      Point botr= aRoi.getBottomRight();
      Tasks::SoftRoi *aSoftRoiTaskPt = new Tasks::SoftRoi();
      aSoftRoiTaskPt->setRoi(topl.x, botr.x, topl.y, botr.y);
      anImageCopy->setLinkTask(runLevel,aSoftRoiTaskPt);
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      aSoftRoiTaskPt->setProcessingInPlace(!runLevel);
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      aSoftRoiTaskPt->unref();
      ++runLevel;
    }
  anImageCopy->addSinkTask(runLevel,m_data_2_image_task);
  anImageCopy->setInputData(aData);
  
  PoolThreadMgr::get().addProcess(anImageCopy);
}

void CtVideo::_data2image_finnished(Data&)
{
  DEB_MEMBER_FUNCT();
  AutoMutex aLock(m_cond.mutex());
  if(!m_last_data.empty())
    {
      Data aData = m_last_data;
      m_last_data = Data();
      Bin aBin = m_pars.bin;
      Roi aRoi = m_pars.roi;
      aLock.unlock();
      _data_2_image(aData,aBin,aRoi);
    }
  else
    m_ready_flag = true;
}

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void CtVideo::_apply_params(AutoMutex &aLock,bool aForceLiveFlag)
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{
  if(aForceLiveFlag && !m_pars.live)
      m_read_image->frameNumber = m_write_image->frameNumber = m_image_counter = -1;
  
  if(aForceLiveFlag || m_pars.live)
    {
      if(m_has_video)
	{
	  if(m_pars_modify_mask & PARMODIFYMASK_MODE)
	    m_video->setVideoMode(m_pars.mode);
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	  if(m_pars_modify_mask & PARMODIFYMASK_AUTO_GAIN)
	    m_video->setHwAutoGainMode(m_pars.auto_gain_mode == OFF ? 
				       HwVideoCtrlObj::OFF : HwVideoCtrlObj::ON);
	  if(m_pars.auto_gain_mode == OFF && 
	     (m_pars_modify_mask & PARMODIFYMASK_GAIN))
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	    m_video->setGain(m_pars.gain);
	  if(m_pars_modify_mask & PARMODIFYMASK_BIN)
	    {
	      m_hw_bin = m_pars.bin;
	      m_video->checkBin(m_hw_bin);
	      m_video->setBin(m_hw_bin);
	      // Synchronisation with standard acquisition
	      CtImage* image = m_ct.image();
	      image->setBin(m_hw_bin);
	    }
	  if(m_pars_modify_mask & PARMODIFYMASK_ROI)
	    {
	      m_video->checkRoi(m_pars.roi,m_hw_roi);
	      m_video->setRoi(m_hw_roi);
	      // Synchronisation with standard acquisition
	      CtImage* image = m_ct.image();
	      image->setRoi(m_hw_roi);
	    }
	  if(m_pars_modify_mask & PARMODIFYMASK_EXPOSURE)
	    {
	      m_sync->setExpTime(m_pars.exposure);
	      CtAcquisition* acquisition = m_ct.acquisition();
	      acquisition->setAcqExpoTime(m_pars.exposure);
	    }
	}
      else			// Scientific Camera
	{
          if(m_pars_modify_mask & PARMODIFYMASK_EXPOSURE)
            {
              CtAcquisition* acquisition = m_ct.acquisition();
              acquisition->setAcqExpoTime(m_pars.exposure);
	      if(m_pars.live)
	        {
		  m_ct.stopAcq();
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		  aLock.unlock();
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		  m_ct.prepareAcq();
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		  aLock.lock();
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		  m_ct.startAcq();
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		  m_pars.live = true;
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		}
            }
	}
      m_pars_modify_mask = 0;	// reset
    }
}

void CtVideo::_read_hw_params()
{
  CtAcquisition *acquisition = m_ct.acquisition();
  acquisition->getAcqExpoTime(m_pars.exposure);
}

void CtVideo::_check_video_mode(VideoMode aMode)
{
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  DEB_MEMBER_FUNCT();

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  std::list<VideoMode> aModeList;
  getSupportedVideoMode(aModeList);
  bool findMode = false;
  for(std::list<VideoMode>::iterator i = aModeList.begin();
      !findMode && i != aModeList.end();++i)
    findMode = aMode == *i;

  if(!findMode)
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    {
      THROW_CTL_ERROR(InvalidValue) << "Video mode: " <<
	DEB_VAR1(aMode) << " is not available for this camera";
    }
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}

/** @brief an Acquisition will start so,
 *  we have to stop video mode
 */ 
void CtVideo::_prepareAcq()
{
  DEB_MEMBER_FUNCT();
  DEB_TRACE() << DEB_VAR1(m_stopping_live);

  AutoMutex aLock(m_cond.mutex());

  while(m_stopping_live) m_cond.wait();

  m_stopping_live = true;
  aLock.unlock();

  if(m_has_video)
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    {
      m_video->setLive(false);
      if(m_pars.auto_gain_mode == ON_LIVE)
	{
	  int nb_frames;
	  m_sync->getNbFrames(nb_frames);
	  m_video->setAutoGainMode(nb_frames ? 
				   HwVideoCtrlObj::OFF : HwVideoCtrlObj::ON);
	  if(!nb_frames)
	    m_video->setGain(m_pars.gain);
	}
      else
	{
	  m_video->setAutoGainMode(m_pars.auto_gain_mode == OFF ? 
				   HwVideoCtrlObj::OFF : HwVideoCtrlObj::ON);
	  if(m_pars.auto_gain_mode == OFF)
	    m_video->setGain(m_pars.gain);
	}
    }
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  aLock.lock();
  m_stopping_live = false;
  m_cond.signal();

  m_pars.live = false;
  m_image_counter = -1;
  _read_hw_params();
  
  m_read_image->frameNumber = -1;
  m_write_image->frameNumber = -1;
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  CtBuffer* buffer = m_ct.buffer();
  buffer->getNumber(m_data_2_image_task->m_nb_buffer);
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}
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#ifdef WITH_CONFIG
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CtConfig::ModuleTypeCallback* CtVideo::_getConfigHandler()
{
  return new _ConfigHandler(*this);
}
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#endif //WITH_CONFIG
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//============================================================================
//			 CtVideo::Parameters
//============================================================================
CtVideo::Parameters::Parameters()
{
  reset();
}
void CtVideo::Parameters::reset()
{
  live = false;
  exposure = 1.;
  gain = -1.;
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  auto_gain_mode = CtVideo::OFF;
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  mode = Y8;
  roi.reset();
  bin.reset();
}