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EntropyDecoderSpec.cxx
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69 lines (56 loc) · 2.32 KB
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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
/// @file EntropyDecoderSpec.cxx
#include <vector>
#include "Framework/ControlService.h"
#include "Framework/ConfigParamRegistry.h"
#include "DataFormatsTPC/CompressedClusters.h"
#include "TPCWorkflow/EntropyDecoderSpec.h"
using namespace o2::framework;
namespace o2
{
namespace tpc
{
void EntropyDecoderSpec::init(o2::framework::InitContext& ic)
{
std::string dictPath = ic.options().get<std::string>("ctf-dict");
if (!dictPath.empty() && dictPath != "none") {
mCTFCoder.createCoders(dictPath, o2::ctf::CTFCoderBase::OpType::Decoder);
}
}
void EntropyDecoderSpec::run(ProcessingContext& pc)
{
auto cput = mTimer.CpuTime();
mTimer.Start(false);
auto buff = pc.inputs().get<gsl::span<o2::ctf::BufferType>>("ctf");
auto& compclusters = pc.outputs().make<std::vector<char>>(OutputRef{"output"});
const auto ctfImage = o2::tpc::CTF::getImage(buff.data());
mCTFCoder.decode(ctfImage, compclusters);
mTimer.Stop();
LOG(INFO) << "Decoded " << buff.size() * sizeof(o2::ctf::BufferType) << " encoded bytes to "
<< compclusters.size() << " bytes in " << mTimer.CpuTime() - cput << " s";
}
void EntropyDecoderSpec::endOfStream(EndOfStreamContext& ec)
{
LOGF(INFO, "TPC Entropy Decoding total timing: Cpu: %.3e Real: %.3e s in %d slots",
mTimer.CpuTime(), mTimer.RealTime(), mTimer.Counter() - 1);
}
DataProcessorSpec getEntropyDecoderSpec()
{
return DataProcessorSpec{
"tpc-entropy-decoder",
Inputs{InputSpec{"ctf", "TPC", "CTFDATA", 0, Lifetime::Timeframe}},
Outputs{OutputSpec{{"output"}, "TPC", "COMPCLUSTERSFLAT", 0, Lifetime::Timeframe}},
AlgorithmSpec{adaptFromTask<EntropyDecoderSpec>()},
Options{{"ctf-dict", VariantType::String, o2::base::NameConf::getCTFDictFileName(), {"File of CTF decoding dictionary"}}}};
}
} // namespace tpc
} // namespace o2