Zhen Yan · Zhen Yan
--- a/Trigger/TrigAlgorithms/TrigL2MuonSA/src/MuCalStreamerTool.h
+++ b/Trigger/TrigAlgorithms/TrigL2MuonSA/src/MuCalStreamerTool.h


    // local buffer for the TrigComposite object
-    int m_localBufferSize = 0;
-    std::vector<int> m_localBuffer;
+    mutable uint32_t m_localBufferSize = 0;
--- a/Trigger/TrigAlgorithms/TrigL2MuonSA/src/MuCalStreamerTool.cxx
+++ b/Trigger/TrigAlgorithms/TrigL2MuonSA/src/MuCalStreamerTool.cxx
+    // fill the local buffer 
+    // dump the words also in the local buffer     
+    // dump the encoded event to the screen
+    ATH_MSG_DEBUG("Size of the DATASCOUTING buffer in 32 bits words: " << eventSize32bits);
+    for ( uint16_t words = 0 ; words != eventSize32bits ; words++)  {                 
+      uint32_t byte1 = buff_ds[words*4];
+      uint32_t byte2 = buff_ds[words*4 + 1];
+      uint32_t byte3 = buff_ds[words*4 + 2];
+      uint32_t byte4 = buff_ds[words*4 + 3];
+
+      // encoding in big-endian for now ( revert order for little-endian )
+      uint32_t dataWord = (byte4 << 24) + (byte3 << 16) + (byte2 << 8) + byte1 ;
+      //	std::cout << "Number of data words: " << words << std::endl;
+      ATH_MSG_DEBUG("Data word " << words << " = " << std::hex << "0x" << dataWord << std::dec);
+      
+      m_localBuffer.push_back(dataWord);