bool StartSlave()
{
// Let the user select the device to receive from
PvString lDeviceIP;
if ( !SelectDevice( lDeviceIP ) )
{
return false;
}
// Create the PvStream object
PvStream lStream;
// Create the PvPipeline object
PvPipeline lPipeline( &lStream );
// Create a PvPipeline event sink (used to trap buffer too small events)
PipelineEventSink lPipelineEventSink;
lPipeline.RegisterEventSink( &lPipelineEventSink );
// Open stream
printf( "Opening stream\n" );
lStream.Open( lDeviceIP, "239.192.1.1", 1042 );
// IMPORTANT: the pipeline needs to be "armed", or started before
// we instruct the device to send us images
printf( "Starting pipeline\n" );
lPipeline.SetBufferCount( 16 );
lPipeline.Start();
// Get stream parameters/stats
PvGenParameterArray *lStreamParams = lStream.GetParameters();
PvGenInteger *lCount = dynamic_cast<PvGenInteger *>( lStreamParams->Get( "ImagesCount" ) );
PvGenFloat *lFrameRate = dynamic_cast<PvGenFloat *>( lStreamParams->Get( "AcquisitionRateAverage" ) );
PvGenFloat *lBandwidth = dynamic_cast<PvGenFloat *>( lStreamParams->Get( "BandwidthAverage" ) );
PvGenBoolean *lIgnoreMissingPackets = dynamic_cast<PvGenBoolean *>( lStreamParams->Get( "IgnoreMissingPackets" ) );
// Disabling resend packets
lIgnoreMissingPackets->SetValue( true );
char lDoodle[] = "|\\-|-/";
int lDoodleIndex = 0;
PvInt64 lImageCountVal = 0;
double lFrameRateVal = 0.0;
double lBandwidthVal = 0.0;
// Acquire images until the user instructs us to stop
printf( "\n<press a key to stop receiving>\n" );
while ( !PvKbHit() )
{
// Retrieve next buffer
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.
// -----------------------------------------------------------------------------------------
// ...
lCount->GetValue( lImageCountVal );
lFrameRate->GetValue( lFrameRateVal );
lBandwidth->GetValue( lBandwidthVal );
// If the buffer contains an image, display width and height
PvUInt32 lWidth = 0, lHeight = 0;
if ( lBuffer->GetPayloadType() == PvPayloadTypeImage )
{
// Get image specific buffer interface
PvImage *lImage = lBuffer->GetImage();
// Read width, height
lWidth = lBuffer->GetImage()->GetWidth();
lHeight = lBuffer->GetImage()->GetHeight();
}
printf( "%c BlockID: %016llX W: %i H: %i %.01f FPS %.01f Mb/s\r",
lDoodle[ lDoodleIndex ],
lBuffer->GetBlockID(),
lWidth,
lHeight,
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
{
// Timeout
printf( "%c Timeout\r", lDoodle[ lDoodleIndex ] );
}
++lDoodleIndex %= 6;
}
PvGetChar(); // Flush key buffer for next stop
printf( "\n\n" );
// We stop the pipeline - letting the object lapse out of
// scope would have had the destructor do the same, but we do it anyway
printf( "Stop pipeline\n" );
lPipeline.Stop();
// Now close the stream. Also optionnal but nice to have
printf( "Closing stream\n" );
lStream.Close();
// Unregister pipeline event sink. Optional but nice to have.
lPipeline.UnregisterEventSink( &lPipelineEventSink );
return true;
}
bool AcquireImages()
{
PvResult lResult;
PvDeviceInfo *lDeviceInfo = NULL;
PvSystem lSystem;
PvStream lStream;
lSystem.SetDetectionTimeout( 20000 );
lResult = lSystem.Find();
if( !lResult.IsOK() )
{
cout << "PvSystem::Find Error: " << lResult.GetCodeString().GetAscii();
return -1;
}
PvUInt32 lInterfaceCount = lSystem.GetInterfaceCount();
for( PvUInt32 x = 0; x < lInterfaceCount; x++ )
{
PvInterface * lInterface = lSystem.GetInterface( x );
cout << "Ethernet Interface " << endl;
cout << "IP Address: " << lInterface->GetIPAddress().GetAscii() << endl;
cout << "Subnet Mask: " << lInterface->GetSubnetMask().GetAscii() << endl << endl;
PvUInt32 lDeviceCount = lInterface->GetDeviceCount();
for( PvUInt32 y = 0; y < lDeviceCount ; y++ )
{
lDeviceInfo = lInterface->GetDeviceInfo( y );
cout << "ThermoCam " << endl;
cout << "IP Address: " << lDeviceInfo->GetIPAddress().GetAscii() << endl;
}
}
if( lDeviceInfo != NULL )
{
cout << "Connecting to " << lDeviceInfo->GetIPAddress().GetAscii() << endl;
PvDevice lDevice;
lResult = lDevice.Connect( lDeviceInfo );
if ( !lResult.IsOK() )
{
cout << "Unable to connect to " << lDeviceInfo->GetIPAddress().GetAscii() << endl;
}
else
{
cout << "Successfully connected to " << lDeviceInfo->GetIPAddress().GetAscii() << endl;
lResult = lDevice.NegotiatePacketSize( );
if ( !lResult.IsOK() )
{
cout << endl;
cout << " Failed to negotiate a packet size setting GevSCPSPacketSize to original value";
PvSleepMs( 2500 );
}
cout << endl;
cout << "3. Open stream......";
lResult = lStream.Open( lDeviceInfo->GetIPAddress() );
if ( !lResult.IsOK() )
{
cout << endl;
cout << " Failed to open stream";
return 0;
}
lDevice.SetStreamDestination( lStream.GetLocalIPAddress(), lStream.GetLocalPort() );
PvInt64 lPayloadSize;
lDevice.GetGenParameters()->GetIntegerValue( "PayloadSize", lPayloadSize );
PvBuffer * lBuffer = new PvBuffer();
lBuffer->Alloc( static_cast<PvUInt32>( lPayloadSize ) );
PvBuffer *lPtr = NULL;
PvImage *lImage = NULL;
cout << endl;
cout << "5. Grab one image" << endl;
lStream.QueueBuffer( lBuffer );
lDevice.GetGenParameters()->SetIntegerValue( "TLParamsLocked", 1 );
lDevice.GetGenParameters()->ExecuteCommand( "AcquisitionStart" );
PvResult lStreamResult;
lResult = lStream.RetrieveBuffer( &lPtr, &lStreamResult, 10000 );
lDevice.GetGenParameters()->ExecuteCommand( "AcquisitionStop" );
lDevice.GetGenParameters()->SetIntegerValue( "TLParamsLocked", 0 );
PvInt64 lWidth = 0, lHeight = 0;
PvGenParameterArray *lDeviceParams = lDevice.GetGenParameters();
lDeviceParams->GetIntegerValue( "Width", lWidth);
lDeviceParams->GetIntegerValue( "Height", lHeight);
cvNamedWindow("OpenCV: ThermoCam",CV_WINDOW_NORMAL);
cv::Mat raw_lImage(cv::Size(lWidth,lHeight),CV_8U);
if ( lResult.IsOK() )
{
if ( lStreamResult.IsOK() )
{
cout << endl;
cout << "6. Using RGB Filter";
lImage=lPtr->GetImage();
lPtr->GetImage()->Alloc(lImage->GetWidth(),lImage->GetHeight(),PvPixelMono8);
cout << " a. Save the original image into ImageOriginal.bmp";
PvBufferWriter lBufferWriter;
lBufferWriter.Store(lPtr,"ThermoCam.bmp",PvBufferFormatBMP);
}
lImage->Attach(raw_lImage.data,lImage->GetWidth(),lImage->GetHeight(),PvPixelMono8);
//cv::imshow("OpenCV: ThermoCam",raw_lImage);
cv::FileStorage fs("ThermoCam.xml",cv::FileStorage::WRITE);
fs << "raw_lImage" << raw_lImage;
fs.release();
//if(cv::waitKey(1000) >= 0) break;
lPtr->Free();
}
lBuffer->Free();
lDevice.ResetStreamDestination();
lStream.Close();
lDevice.Disconnect();
return true;
}
}
else
{
cout << "No device found" << endl;
}
return 0;
}
