bool camera_jai::openCamera()
{
// close a previous camera and open a selected camera
J_STATUS_TYPE status = J_ST_SUCCESS;
if(!m_hCam)
{
//open the selected camera
status = J_Camera_Open(m_hFactory, m_sCameraId, &m_hCam);
if(status != J_ST_SUCCESS)
{
ShowErrorMsg(CString("Could not open camera!"), status);
return false;
}
//Make sure streaming is supported!
uint32_t numStreams = 0;
status = J_Camera_GetNumOfDataStreams(m_hCam, &numStreams);
if (status != J_ST_SUCCESS)
{
ShowErrorMsg(CString("Error with J_Camera_GetNumOfDataStreams."), status);
return false;
}
}
return true;
}
int CGigECamera::OnCameraChoice( MM::PropertyBase* pProp, MM::ActionType eAct )
{
if( eAct == MM::AfterSet )
{
std::string name;
pProp->Get( name );
std::map<std::string,std::string>::iterator i = cameraNameMap.find( name );
if( i == cameraNameMap.end() )
{
LogMessage( (std::string) "internal error: inconsistency in camera name map (" + name + ")", false );
return DEVICE_INTERNAL_INCONSISTENCY;
}
std::string realName = (*i).second;
if( this->cameraName.compare( realName ) != 0 ) // squash idempotent changes
{
LogMessage( (std::string) "Opening camera: " + realName );
J_STATUS_TYPE retval = J_Camera_Close( hCamera );
retval = J_Camera_Open( hFactory, const_cast<char*>(realName.c_str()), &hCamera );
// XXX this should really refresh all the camera parameters after opening a new camera,
// possibly enabling or removing some properties.
if( retval != J_ST_SUCCESS )
{
LogMessage( (std::string) "camera open failed (" + realName + ")", false );
return DEVICE_NATIVE_MODULE_FAILED;
}
cameraName = realName;
}
}
else if( eAct == MM::BeforeGet )
{
std::map<std::string,std::string>::iterator i = cameraNameMap.find( cameraName );
if( i == cameraNameMap.end() )
{
LogMessage( (std::string) "internal error: inconsistency in camera name map (" + cameraName + ")", false );
return DEVICE_INTERNAL_INCONSISTENCY;
}
pProp->Set( (*i).second.c_str() );
}
return DEVICE_OK;
}
