Allow BC correction in FIT CTF decoders

Author: shahor02

Detectors/FIT/FDD/reconstruction/include/FDDReconstruction/CTFCoder.h

@@ -165,7 +165,9 @@ void CTFCoder::decompress(const CompressedDigits& cd, VDIG& digitVec, VCHAN& cha
 
   uint32_t firstEntry = 0, clCount = 0, chipCount = 0;
   o2::InteractionRecord ir(cd.header.firstBC, cd.header.firstOrbit);
-
+  if (mBCShift && ir.toLong() >= mBCShift) {
+    ir -= mBCShift;
+  }
   for (uint32_t idig = 0; idig < cd.header.nTriggers; idig++) {
     // restore ROFRecord
     if (cd.orbitInc[idig]) {  // non-0 increment => new orbit

Detectors/FIT/FDD/workflow/src/EntropyDecoderSpec.cxx

@@ -29,6 +29,7 @@ EntropyDecoderSpec::EntropyDecoderSpec(int verbosity, const std::string& ctfdict
   mTimer.Stop();
   mTimer.Reset();
   mCTFCoder.setVerbosity(verbosity);
+  mCTFCoder.setSupportBCShifts(true);
   mCTFCoder.setDictBinding("ctfdict_FDD");
 }
 

Detectors/FIT/FT0/reconstruction/include/FT0Reconstruction/CTFCoder.h

@@ -165,7 +165,9 @@ void CTFCoder::decompress(const CompressedDigits& cd, VDIG& digitVec, VCHAN& cha
 
   uint32_t firstEntry = 0, clCount = 0, chipCount = 0;
   o2::InteractionRecord ir(cd.header.firstBC, cd.header.firstOrbit);
-
+  if (mBCShift && ir.toLong() >= mBCShift) {
+    ir -= mBCShift;
+  }
   for (uint32_t idig = 0; idig < cd.header.nTriggers; idig++) {
     // restore ROFRecord
     if (cd.orbitInc[idig]) {  // non-0 increment => new orbit

Detectors/FIT/FT0/workflow/src/EntropyDecoderSpec.cxx

@@ -29,6 +29,7 @@ EntropyDecoderSpec::EntropyDecoderSpec(int verbosity, const std::string& ctfdict
   mTimer.Stop();
   mTimer.Reset();
   mCTFCoder.setVerbosity(verbosity);
+  mCTFCoder.setSupportBCShifts(true);
   mCTFCoder.setDictBinding("ctfdict_FT0");
 }
 

Detectors/FIT/FV0/reconstruction/include/FV0Reconstruction/CTFCoder.h

@@ -168,7 +168,9 @@ void CTFCoder::decompress(const CompressedDigits& cd, VDIG& digitVec, VCHAN& cha
 
   uint32_t firstEntry = 0, clCount = 0, chipCount = 0;
   o2::InteractionRecord ir(cd.header.firstBC, cd.header.firstOrbit);
-
+  if (mBCShift && ir.toLong() >= mBCShift) {
+    ir -= mBCShift;
+  }
   for (uint32_t idig = 0; idig < cd.header.nTriggers; idig++) {
     // restore ROFRecord
     if (cd.orbitInc[idig]) {  // non-0 increment => new orbit

Detectors/FIT/FV0/workflow/src/EntropyDecoderSpec.cxx

@@ -29,6 +29,7 @@ EntropyDecoderSpec::EntropyDecoderSpec(int verbosity, const std::string& ctfdict
   mTimer.Stop();
   mTimer.Reset();
   mCTFCoder.setVerbosity(verbosity);
+  mCTFCoder.setSupportBCShifts(true);
   mCTFCoder.setDictBinding("ctfdict_FV0");
 }