//-----------------------------------------------------------------------------
int main( int argc, char* argv[] )
//-----------------------------------------------------------------------------
{
DeviceManager devMgr;
cout << "This sample is meant for mvBlueLYNX-M7 devices only. Other devices might be installed" << endl
<< "but won't be recognized by the application." << endl
<< endl;
int exposureTime_us = 20000;
int frameRate_Hz = 5;
int width = -1;
int height = -1;
int interPacketDelay = 25;
// scan command line
if( argc > 1 )
{
for( int i = 1; i < argc; i++ )
{
string param( argv[i] ), key, value;
string::size_type keyEnd = param.find_first_of( "=" );
if( ( keyEnd == string::npos ) || ( keyEnd == param.length() - 1 ) )
{
cout << "Invalid command line parameter: '" << param << "' (ignored)." << endl;
}
else
{
key = param.substr( 0, keyEnd );
value = param.substr( keyEnd + 1 );
if( ( key == "exposureTime" ) || ( key == "et" ) )
{
exposureTime_us = static_cast<int>( atoi( value.c_str() ) );
}
else if( ( key == "frameRate" ) || ( key == "fr" ) )
{
frameRate_Hz = static_cast<int>( atoi( value.c_str() ) );
}
else if( ( key == "width" ) || ( key == "w" ) )
{
width = static_cast<int>( atoi( value.c_str() ) );
}
else if( ( key == "height" ) || ( key == "h" ) )
{
height = static_cast<int>( atoi( value.c_str() ) );
}
else if( key == "scpd" )
{
interPacketDelay = static_cast<int>( atoi( value.c_str() ) );
}
else
{
cout << "Invalid command line parameter: '" << param << "' (ignored)." << endl;
}
}
}
}
else
{
cout << "No command line parameters specified. Available parameters:" << endl
<< " 'frameRate' or 'fr' to specify the frame rate(frames per second per sensor head) of the resulting data stream" << endl
<< " 'exposureTime' or 'et' to specifiy the exposure time per frame in us" << endl
<< " 'width' or 'w' to specifiy the width of the AOI" << endl
<< " 'height' or 'h' to specifiy the height of the AOI" << endl
<< endl
<< "USAGE EXAMPLE:" << endl
<< " SynchronousCaptureMultipleInputs et=5000 frameRate=5" << endl << endl;
}
Device* pDev = getDeviceFromUserInput( devMgr, isDeviceSupportedBySample );
if( !pDev )
{
cout << "Unable to continue!";
cout << "Press [ENTER] to end the application" << endl;
cin.get();
return 0;
}
try
{
cout << "Please note, that this sample (depending on the selected frame rate and resolution) might require a lot" << endl
<< "of network bandwidth, thus to achieve optimal results, it's crucial to have" << endl
<< " - a good, reliable network controller (we recommed the Intel PRO/1000 series)" << endl
<< " - the latest driver for the network controller installed" << endl
<< " - jumbo frames enabled and the receive and transmit buffer for the network controller set to max. values" << endl
<< " - the InterfaceMTU on the mvBlueLYNX-M7 set to its maximum value" << endl
<< endl
<< "In case of 'rrFrameIncomplete' errors the reason is most certainly to be found in one of"
<< "the requirments listed above not being met."
<< endl;
cout << "Will try to synchronize sensor heads(" << frameRate_Hz << " fps per head with " << exposureTime_us << "us exposure time per frame) now" << endl
<< "During this operation the device will be initialised. This might take some time..." << endl;
Connector connector( pDev );
CameraSettingsBlueCOUGAR cs( pDev );
try
{
if( width != -1 )
{
cs.aoiWidth.write( width );
}
if( height != -1 )
{
cs.aoiHeight.write( height );
}
}
catch( const ImpactAcquireException& e )
{
cout << "Failed to set up AOI: " << e.getErrorString() << "(" << e.getErrorCodeAsString() << ")" << endl;
}
const int SENSOR_HEAD_COUNT = connector.videoChannel.read( plMaxValue ) + 1;
setupHRTC( pDev, frameRate_Hz, exposureTime_us, SENSOR_HEAD_COUNT );
// initialise display windows
// IMPORTANT: It's NOT save to create multiple display windows in multiple threads!!!
ThreadParameter threadParam( pDev, SENSOR_HEAD_COUNT );
DeviceComponentLocator locator( pDev, dltSystemSettings );
PropertyI64 gevStreamChannelSelector;
locator.bindComponent( gevStreamChannelSelector, "GevStreamChannelSelector" );
PropertyI64 gevSCPD;
locator.bindComponent( gevSCPD, "GevSCPD" );
for( int i = 0; i < SENSOR_HEAD_COUNT; i++ )
{
gevStreamChannelSelector.write( i );
gevSCPD.write( interPacketDelay );
MyWindow* p = createWindow( cs.aoiWidth.read(), cs.aoiHeight.read() );
p->show();
p->callback( windowCallback );
threadParam.displayData.push_back( new DisplayInfo( p ) );
}
// start the execution of the 'live' thread.
cout << "Close any of the display windows to end the application" << endl;
liveLoop( &threadParam );
vector<DisplayInfo*>::size_type displayCount = threadParam.displayData.size();
for( vector<DisplayInfo*>::size_type i = 0; i < displayCount; i++ )
{
delete threadParam.displayData[i]->pDisp;
delete threadParam.displayData[i];
threadParam.displayData[i] = 0;
}
}
catch( const ImpactAcquireException& e )
{
// this e.g. might happen if the same device is already opened in another process...
cout << "An error occurred while configuring device " << pDev->serial.read()
<< "(error code: " << e.getErrorCodeAsString() << "). Press [ENTER] to end the application..." << endl;
cin.get();
}
return 0;
}
//-----------------------------------------------------------------------------
unsigned int liveLoop( Device* pDev, bool boStoreFrames, const string& settingName, int iWidth, int iHeight, bool boSingleShotMode )
//-----------------------------------------------------------------------------
{
cout << " == " << __FUNCTION__ << " - establish access to the statistic properties...." << endl;
// establish access to the statistic properties
Statistics statistics( pDev );
cout << " == " << __FUNCTION__ << " - create an interface to the device found...." << endl;
// create an interface to the device found
FunctionInterface fi( pDev );
if( !settingName.empty() )
{
cout << "Trying to load setting " << settingName << "..." << endl;
int result = fi.loadSetting( settingName );
if( result != DMR_NO_ERROR )
{
cout << "loadSetting( \"" << settingName << "\" ); call failed: " << ImpactAcquireException::getErrorCodeAsString( result ) << endl;
}
}
// depending on the device and its sensor, we set an appropriate output format for displaying
mvIMPACT::acquire::ImageDestination id( pDev );
if( !std::string( "mvBlueFOX" ).compare( pDev->family.readS() ) )
{
mvIMPACT::acquire::InfoBlueFOX ibf( pDev );
if( !std::string( "BayerMosaic" ).compare( ibf.sensorColorMode.readS() ) )
{
id.pixelFormat.writeS( "BGR888Packed" );
}
}
else if( !std::string( "mvBlueCOUGAR" ).compare( pDev->family.readS() ) )
{
mvIMPACT::acquire::GenICam::ImageFormatControl ifc( pDev );
if( s_boGreySensor )
{
ifc.pixelFormat.writeS( "Mono8" );
}
else
{
GenICamDeviceSetColorPixelFormat( pDev );
id.pixelFormat.writeS( "BGR888Packed" );
}
}
else if( !std::string( "mvBlueLYNX" ).compare( pDev->family.readS() ) )
{
mvIMPACT::acquire::GenICam::ImageFormatControl ifc( pDev );
if( s_boGreySensor )
{
ifc.pixelFormat.writeS( "Mono8" );
}
else
{
GenICamDeviceSetColorPixelFormat( pDev );
id.pixelFormat.writeS( "BGR888Packed" );
}
}
// Pre-fill the capture queue with ALL buffers currently available. In case the acquisition engine is operated
// manually, buffers can only be queued when they have been queued before the acquisition engine is started as well.
// Even though there can be more than 1, for this sample we will work with the default capture queue
int requestResult = DMR_NO_ERROR;
int requestCount = 0;
if( boSingleShotMode )
{
fi.imageRequestSingle();
++requestCount;
}
else
{
while( ( requestResult = fi.imageRequestSingle() ) == DMR_NO_ERROR )
{
++requestCount;
}
}
if( requestResult != DEV_NO_FREE_REQUEST_AVAILABLE )
{
cout << "Last result: " << requestResult << "(" << ImpactAcquireException::getErrorCodeAsString( requestResult ) << "), ";
}
cout << requestCount << " buffers requested";
SystemSettings ss( pDev );
if( ss.requestCount.hasMaxValue() )
{
cout << ", max request count: " << ss.requestCount.getMaxValue();
}
cout << endl;
cout << "Press <<ENTER>> to end the application!!" << endl;
MyWindow* pWindow = createWindow( iWidth, iHeight );
pWindow->show();
pWindow->callback( windowCallback );
manuallyStartAcquisitionIfNeeded( pDev, fi );
// run thread loop
const Request* pRequest = 0;
const unsigned int timeout_ms = 8000; // USB 1.1 on an embedded system needs a large timeout for the first image
int requestNr = -1;
bool boLoopRunning = true;
unsigned int cnt = 0;
while( boLoopRunning )
{
// wait for results from the default capture queue
requestNr = fi.imageRequestWaitFor( timeout_ms );
if( fi.isRequestNrValid( requestNr ) )
{
pRequest = fi.getRequest( requestNr );
if( pRequest->isOK() )
{
++cnt;
// here we can display some statistical information every 20th image
if( cnt % 20 == 0 )
{
ostringstream out;
out << pDev->serial.read() << ": " << statistics.framesPerSecond.name() << ": " << statistics.framesPerSecond.readS();
pWindow->setOverlayString( out.str() );
cout << cnt << ": Info from " << pDev->serial.read()
<< ": " << statistics.framesPerSecond.name() << ": " << statistics.framesPerSecond.readS()
<< ", " << statistics.errorCount.name() << ": " << statistics.errorCount.readS()
<< ", " << statistics.captureTime_s.name() << ": " << statistics.captureTime_s.readS()
<< " Image count: " << cnt
<< " (dimensions: " << pRequest->imageWidth.read() << "x" << pRequest->imageHeight.read() << ", format: " << pRequest->imagePixelFormat.readS();
if( pRequest->imageBayerMosaicParity.read() != bmpUndefined )
{
cout << ", " << pRequest->imageBayerMosaicParity.name() << ": " << pRequest->imageBayerMosaicParity.readS();
}
cout << ")" << endl;
}
// here we can store an image every 100th frame
if( boStoreFrames && ( cnt % 100 == 0 ) )
{
ostringstream oss;
oss << "Image" << cnt << "." << pRequest->imageWidth.read() << "x" << pRequest->imageHeight.read() << "." << pRequest->imagePixelFormat.readS();
if( pRequest->imageBayerMosaicParity.read() != bmpUndefined )
{
oss << "(BayerPattern=" << pRequest->imageBayerMosaicParity.readS() << ")";
}
oss << ".raw";
FILE* fp = fopen( oss.str().c_str(), "wb" );
if( fp )
{
unsigned char* pImageData = ( unsigned char* ) pRequest->imageData.read();
for( int h = 0; h < pRequest->imageHeight.read(); h++ )
{
// write one line
fwrite( pImageData, pRequest->imageWidth.read(), pRequest->imageBytesPerPixel.read(), fp );
// respect image line pitch
pImageData += pRequest->imageLinePitch.read();
}
fclose( fp );
}
}
// everything went well. Display the result
pWindow->NewRequest( pRequest );
pWindow->redraw();
Fl::check();
}
else
{
cout << "*** Error: A request has been returned with the following result: " << pRequest->requestResult << endl;
}
// this image has been displayed thus the buffer is no longer needed...
fi.imageRequestUnlock( requestNr );
// send a new image request into the capture queue
fi.imageRequestSingle();
if( boSingleShotMode )
{
manuallyStartAcquisitionIfNeeded( pDev, fi );
}
}
else
{
cout << "*** Error: Result of waiting for a finished request: " << requestNr << "("
<< ImpactAcquireException::getErrorCodeAsString( requestNr ) << "). Timeout value too small?" << endl;
}
boLoopRunning = waitForInput( 0, STDOUT_FILENO ) == 0 ? true : false; // break by STDIN
// Exit when window was cloesd
if( s_boTerminated )
{
break;
}
}
if( !boSingleShotMode )
{
manuallyStopAcquisitionIfNeeded( pDev, fi );
}
cout << " == " << __FUNCTION__ << " - free resources...." << endl;
// free resources
fi.imageRequestReset( 0, 0 );
return 0;
}
