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 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;
}
