void MLTCam::Acquire( PvDevice *aDevice, PvStream *aStream )
{
// Get device parameters need to control streaming
PvGenParameterArray *lDeviceParams = aDevice->GetParameters();
// Map the GenICam AcquisitionStart and AcquisitionStop commands
PvGenCommand *lStart = dynamic_cast<PvGenCommand *>( lDeviceParams->Get( "AcquisitionStart" ) );
PvGenCommand *lStop = dynamic_cast<PvGenCommand *>( lDeviceParams->Get( "AcquisitionStop" ) );
// Get stream parameters
PvGenParameterArray *lStreamParams = aStream->GetParameters();
// Map a few GenICam stream stats counters
PvGenFloat *lFrameRate = dynamic_cast<PvGenFloat *>( lStreamParams->Get( "AcquisitionRate" ) );
PvGenFloat *lBandwidth = dynamic_cast<PvGenFloat *>( lStreamParams->Get( "Bandwidth" ) );
// Enable streaming and send the AcquisitionStart command
//qDebug() << "Enabling streaming and sending AcquisitionStart command." << endl;
aDevice->StreamEnable();
lStart->Execute();
char lDoodle[] = "|\\-|-/";
int lDoodleIndex = 0;
double lFrameRateVal = 0.0;
double lBandwidthVal = 0.0;
timer = new QTimer;
connect(timer, SIGNAL(timeout()), SLOT(WaitForExecution()));
timer->start(100);
// Abort all buffers from the stream and dequeue
// cout << "Aborting buffers still in stream" << endl;
// aStream->AbortQueuedBuffers();
// while ( aStream->GetQueuedBufferCount() > 0 )
// {
// PvBuffer *lBuffer = NULL;
// PvResult lOperationResult;
// aStream->RetrieveBuffer( &lBuffer, &lOperationResult );
// }
}
PvResult Source::StartAcquisition()
{
PvGenStateStack lState( mDevice->GetGenParameters() );
if ( mMultiSource )
{
// Push change on stack, will be reset when lState goes out of scope
lState.SetEnumValue( "SourceSelector", mSourceIndex );
}
// Get payload size
PvUInt32 lPayloadSize = GetPayloadSize();
if ( lPayloadSize > 0 )
{
// Propagate to pipeline to make sure buffers are big enough
mPipeline->SetBufferSize( lPayloadSize );
}
// Reset pipeline
mPipeline->Reset();
mBuffersReallocated = false;
// Reset stream statistics
PvGenCommand *lResetStats = mStream->GetParameters()->GetCommand( "Reset" );
lResetStats->Execute();
// Reset dislay thread stats (mostly frames displayed per seconds)
mDisplayThread->ResetStatistics();
// Use acquisition manager to send the acquisition start command to the device
PvResult lResult = mAcquisitionManager->Start();
if ( !lResult.IsOK() )
{
return lResult;
}
return PvResult::Code::OK;
}
void PleoraVideo::SetDeviceParams(Params& p) {
lStart = dynamic_cast<PvGenCommand*>( lDeviceParams->Get( "AcquisitionStart" ) );
lStop = dynamic_cast<PvGenCommand*>( lDeviceParams->Get( "AcquisitionStop" ) );
for(Params::ParamMap::iterator it = p.params.begin(); it != p.params.end(); it++) {
if(it->first == "get_temperature"){
getTemp = p.Get<bool>("get_temperature",false);
} else {
if (it->second == "Execute") {
// This is a command, deal with it accordingly.
PvGenCommand* cmd = dynamic_cast<PvGenCommand*>(lDeviceParams->Get(it->first.c_str()));
if(cmd) {
PvResult r = cmd->Execute();
if(!r.IsOK()){
pango_print_error("Error executing command %s Reason:%s\n", it->first.c_str(), r.GetDescription().GetAscii());
} else {
pango_print_info("Executed Command %s\n", it->first.c_str());
}
bool done;
int attempts = 20;
do {
cmd->IsDone(done);
std::this_thread::sleep_for(std::chrono::milliseconds(1000));
attempts--;
} while(!done && (attempts > 0));
if(attempts == 0) {
pango_print_error("Timeout while waiting for command %s done\n", it->first.c_str());
}
} else {
pango_print_error("Command %s not recognized\n", it->first.c_str());
}
} else {
try {
PvGenParameter* par = lDeviceParams->Get(PvString(it->first.c_str()));
if(par) {
PvResult r = par->FromString(PvString(it->second.c_str()));
if(!r.IsOK()){
pango_print_error("Error setting parameter %s to:%s Reason:%s\n", it->first.c_str(), it->second.c_str(), r.GetDescription().GetAscii());
} else {
pango_print_info("Setting parameter %s to:%s\n", it->first.c_str(), it->second.c_str());
}
} else {
pango_print_error("Parameter %s not recognized\n", it->first.c_str());
}
} catch(std::runtime_error e) {
pango_print_error("Set parameter %s: %s\n", it->first.c_str(), e.what());
}
}
}
}
// Get Handles to properties we'll be using.
lAnalogGain = lDeviceParams->GetInteger("AnalogGain");
lGamma = lDeviceParams->GetFloat("Gamma");
lAnalogBlackLevel = lDeviceParams->GetInteger("AnalogBlackLevel");
lExposure = lDeviceParams->GetFloat("ExposureTime");
lAquisitionMode = lDeviceParams->GetEnum("AcquisitionMode");
lTriggerSource = lDeviceParams->GetEnum("TriggerSource");
lTriggerMode = lDeviceParams->GetEnum("TriggerMode");
if(getTemp) {
lTemperatureCelcius = lDeviceParams->GetFloat("DeviceTemperatureCelsius");
pango_print_warn("Warning: get_temperature might add a blocking call taking several ms to each frame read.");
}
}