MLTCam::MLTCam()
{
data = new ushort[IMAGE_WIDTH*IMAGE_HEIGHT];
PvDeviceFinderWnd lFinderWnd;
if (! lFinderWnd.ShowModal().IsOK() )
{
return;
}
lDeviceInfo = (PvDeviceInfo*)lFinderWnd.GetSelected();
PvResult lResult;
if( lDeviceInfo != NULL )
{
qDebug() << "MLTCam::Connecting to"
<< lDeviceInfo->GetManufacturerInfo().GetAscii();
lDevice = PvDevice::CreateAndConnect(lDeviceInfo, &lResult );
if ( lResult.IsOK() )
{
qDebug() << "MLTCam::Connected";
}
}
else
{
qDebug() << "MLTCam::No device found";
}
lResult = lDevice->GetParameters()->GetIntegerValue("Height",height);
if ( height != 2944) InitializationCam();
lStream = OpenStream( lDeviceInfo);
qDebug() << "MLTCam::OpenStream";
ConfigureStream( lDevice, lStream );
qDebug() << "MLTCam::ConfigureStream";
CreateStreamBuffers( lDevice, lStream, &lBufferList );
qDebug() << "MLTCam::CreateStreamBuffers";
}
bool SelectDevice( PvString &aIP )
{
// Create a GEV Device finder dialog
PvDeviceFinderWnd lDeviceFinderWnd;
// Prompt the user to select a GEV Device
lDeviceFinderWnd.ShowModal();
// Get the connectivity information for the selected GEV Device
PvDeviceInfo* lDeviceInfo = lDeviceFinderWnd.GetSelected();
// If no device is selected, abort
if( lDeviceInfo == NULL )
{
printf( "No device selected.\n" );
return false;
}
aIP = lDeviceInfo->GetIPAddress();
return true;
}
void PvDualSourceSample::OnConnectionConnectAction()
{
// create a device finder wnd and open the select device dialog
PvDeviceFinderWnd lWnd;
lWnd.SetTitle( "GEV Device Selection" );
// Show device finder
if ( ( !lWnd.ShowModal().IsOK() ) ||
( lWnd.GetSelected() == NULL ) )
{
return;
}
// Show hourglass
QCursor lOldCursor = cursor();
setCursor( Qt::WaitCursor );
QCoreApplication::processEvents();
// Connect to device
Connect( lWnd.GetSelected() );
// Restore cursor
setCursor( lOldCursor );
}
int main( int aCount, const char ** aArgs )
{
char lDeviceAddress[1024];
char lMulticastAddress[1024];
char lLocalAddress[1024];
memset( lLocalAddress, 0, 1024 );
sprintf( lMulticastAddress, "239.192.1.1" );
memset( lDeviceAddress, 0, 1024 );
bool lPassive = true;
PvUInt32 lChannel = 0;
PvUInt16 lHostPort = 1042;
PvResult lResult;
for ( int i=1; i<aCount; i++ )
{
std::string lString = aArgs[i];
if ( lString.find( "--hostport" ) != std::string::npos )
{
sscanf( aArgs[i], "--hostport=%d", &lHostPort );
}
else if ( lString.find( "--localaddress" ) != std::string::npos )
{
sscanf( aArgs[i], "--localaddress=%s", lLocalAddress );
}
else if ( lString.find( "--multicastaddress" ) != std::string::npos )
{
sscanf( aArgs[i], "--multicastaddress=%s", lMulticastAddress );
}
else if ( lString.find( "--deviceaddress" ) != std::string::npos )
{
sscanf( aArgs[i], "--deviceaddress=%s", lDeviceAddress );
}
else if ( lString.find( "--unicast" ) != std::string::npos )
{
memset( lMulticastAddress, 0, 1024 );
}
else if ( lString.find( "--connectdevice" ) != std::string::npos )
{
lPassive = false;
}
else if ( lString.find( "--channel" ) != std::string::npos )
{
sscanf( aArgs[i], "--channel=%d", &lChannel );
}
else if ( lString.find( "--help" ) != std::string::npos )
{
PrintHelp();
return 0;
}
else
{
printf( "Did not recognize argument %s\n", aArgs[i] );
PrintHelp();
return 1;
}
}
if ( strlen( lDeviceAddress ) == 0 )
{
// No device address specified. Prompt with the device finder.
PvDeviceFinderWnd lWnd;
if ( !lWnd.ShowModal().IsOK() )
{
printf( "No GEV device selected.\n" );
return 1;
}
PvDeviceInfo* lInfo = lWnd.GetSelected();
sprintf( lDeviceAddress, "%s", lInfo->GetIPAddress().GetAscii() );
}
PvStream lStream;
if ( strlen( lMulticastAddress ) == 0 )
{
lResult = lStream.Open( lDeviceAddress, lHostPort, lChannel, lLocalAddress );
printf( "Receiving from device %s on interface %s:%d\n",
lDeviceAddress, lStream.GetLocalIPAddress().GetAscii(), lStream.GetLocalPort() );
}
else
{
lResult = lStream.Open( lDeviceAddress, lMulticastAddress, lHostPort, lChannel, lLocalAddress );
printf( "Receiving from multicast address %s:%d (device %s) on interface %s:%d\n",
lMulticastAddress, lHostPort, lDeviceAddress, lStream.GetLocalIPAddress().GetAscii(), lStream.GetLocalPort() );
}
if ( !lResult.IsOK() )
{
printf( "Failed opening the incoming stream: %s\n", lResult.GetDescription().GetAscii() );
return 1;
}
PvPipeline lPipeline( &lStream );
PvDevice lDevice;
PvGenParameterArray *lDeviceParams = NULL;
if ( !lPassive )
{
lResult = lDevice.Connect( lDeviceAddress );
if ( !lResult.IsOK() )
{
printf( "Failed connecting to the device to set its destination and initiate an AcquisitionStart: %s\n",
lResult.GetDescription().GetAscii() );
printf( "If the eBUS Transmitter to receive from doesn't have full device capabilities, add the --passive command line option and initiate streaming manually.\n" );
return 1;
}
lDevice.SetStreamDestination( lStream.GetLocalIPAddress(), lStream.GetLocalPort(), lChannel );
// Get device parameters need to control streaming
lDeviceParams = lDevice.GetGenParameters();
// Reading payload size from device. Otherwise, the pipeline may miss the first several images.
PvInt64 lReceivePayloadSize = 0;
lDeviceParams->GetIntegerValue( "PayloadSize", lReceivePayloadSize );
// Set the Buffer size and the Buffer count
lPipeline.SetBufferSize( static_cast<PvUInt32>( lReceivePayloadSize ) );
}
lPipeline.SetBufferCount( 16 ); // Increase for high frame rate without missing block IDs
lPipeline.Start();
if ( !lPassive )
{
// TLParamsLocked is optional but when present, it MUST be set to 1
// before sending the AcquisitionStart command
lDeviceParams->SetIntegerValue( "TLParamsLocked", 1 );
lDeviceParams->ExecuteCommand( "GevTimestampControlReset" );
// The pipeline is already "armed", we just have to tell the device
// to start sending us images
lDeviceParams->ExecuteCommand( "AcquisitionStart" );
}
// Get stream parameters/stats
PvGenParameterArray *lStreamParams = lStream.GetParameters();
printf( "Press any key to stop receiving. \n" );
char lDoodle[] = "|\\-|-/";
int lDoodleIndex = 0;
PvInt64 lImageCountVal = 0;
double lFrameRateVal = 0.0;
double lBandwidthVal = 0.0;
while ( !PvKbHit() )
{
PvBuffer *lBuffer = NULL;
PvResult lOperationResult;
PvResult lResult = lPipeline.RetrieveNextBuffer( &lBuffer, 1000, &lOperationResult );
if ( lResult.IsOK() )
{
if ( lOperationResult.IsOK() )
{
//
// We now have a valid buffer. This is where you would typically process the buffer.
// -----------------------------------------------------------------------------------------
// ...
lStreamParams->GetIntegerValue( "ImagesCount", lImageCountVal );
lStreamParams->GetFloatValue( "AcquisitionRateAverage", lFrameRateVal );
lStreamParams->GetFloatValue( "BandwidthAverage", lBandwidthVal );
printf( "%c BlockID: %016llX %.01f FPS %.01f Mb/s\r",
lDoodle[ lDoodleIndex ],
lBuffer->GetBlockID(),
lFrameRateVal,
lBandwidthVal / 1000000.0 );
}
// We have an image - do some processing (...) and VERY IMPORTANT,
// release the buffer back to the pipeline
lPipeline.ReleaseBuffer( lBuffer );
}
else
{
printf( "%c Timeout\r", lDoodle[ lDoodleIndex ] );
}
++lDoodleIndex %= 6;
}
}
bool AcquireImages()
{
// Create a GEV Device finder dialog
PvDeviceFinderWnd lDeviceFinderWnd;
// Prompt the user to select a GEV Device
lDeviceFinderWnd.ShowModal();
// Get the connectivity information for the selected GEV Device
PvDeviceInfo* lDeviceInfo = lDeviceFinderWnd.GetSelected();
// If no device is selected, abort
if( lDeviceInfo == NULL )
{
cout << "No device selected." << endl;
return false;
}
PvString lMACAddress = lDeviceInfo->GetMACAddress();
PvString lIPAddress = lDeviceInfo->GetIPAddress();
// Connect to the GEV Device
PvDevice lDevice;
cout << "Connecting to " << lMACAddress.GetAscii() << endl;
// if ( !lDevice.Connect( lDeviceInfo ).IsOK() )
if ( !lDevice.Connect( lDeviceInfo ).IsOK() )
{
cout << "Unable to connect to " << lMACAddress.GetAscii() << endl;
return false;
}
cout << "Successfully connected to " << lMACAddress.GetAscii() << endl;
cout << endl;
SourceList lSources;
// Get source selector
PvGenEnum *lSourceSelector = lDevice.GetGenParameters()->GetEnum( "SourceSelector" );
if ( lSourceSelector != NULL )
{
// Go through all sources, create source objects
PvInt64 lCount = 0;
lSourceSelector->GetEntriesCount( lCount );
for ( PvInt64 i = 0; i < lCount; i++ )
{
// Get source enum entry
const PvGenEnumEntry *lEE = NULL;
lSourceSelector->GetEntryByIndex( i, &lEE );
// If available, create source
if ( ( lEE != NULL ) && lEE->IsAvailable() )
{
// Get source name
PvString lSourceName;
lEE->GetName( lSourceName );
// Create source
Source *lSource = new Source( &lDevice, lIPAddress, lSourceName );
lSource->Open();
// Add to sources list
lSources.push_back( lSource );
cout << endl;
}
}
}
else
{
// If no source selector, just create a single source
Source *lSource = new Source( &lDevice, lIPAddress, "" );
lSource->Open();
// Add to sources list
lSources.push_back( lSource );
cout << endl;
}
// Start the acquisiton on all sources
SourceList::iterator lIt = lSources.begin();
while ( lIt != lSources.end() )
{
( *( lIt++ ) )->StartAcquisition();
cout << endl;
}
// Aggressive initial value, will be adjusted vs frame rate
PvUInt32 lTimeout = 1;
// Acquire images until the user instructs us to stop
cout << "<press a key to stop streaming>" << endl;
while ( !PvKbHit() )
{
double lNewTimeout = 1000.0;
lIt = lSources.begin();
while ( lIt != lSources.end() )
{
( *lIt )->RetrieveImages( lTimeout );
( *lIt )->PrintStatistics();
// Always use the smallest recommended timeout
double lRecommendedTimeout = ( *lIt )->GetRecommendedTimeout();
if ( lRecommendedTimeout < lNewTimeout )
{
lNewTimeout = lRecommendedTimeout;
}
lIt++;
}
// Update timeout for next round - smallest recommended divided by number of sources
lTimeout = static_cast<PvUInt32>( lNewTimeout / static_cast<double>( lSources.size() ) + 0.5 );
cout << "\r";
}
PvGetChar(); // Flush key buffer for next stop
cout << endl << endl;
// Stop the acquisiton on all sources
lIt = lSources.begin();
while ( lIt != lSources.end() )
{
( *( lIt++ ) )->StopAcquisition();
cout << endl;
}
// Close and delete sources
lIt = lSources.begin();
while ( lIt != lSources.end() )
{
( *lIt )->Close();
cout << endl;
delete *lIt;
lIt++;
}
// Finally disconnect the device. Optional, still nice to have
cout << "Disconnecting device" << endl;
lDevice.Disconnect();
return true;
}
