+//______________________________________________________________________
+Int_t AliITSRawStreamSDDBeamTest::DecompAmbra(Int_t value) const
+{
+ // AMBRA decompression (from 8 to 10 bit)
+
+ if ((value & 0x80) == 0) {
+ return value & 0x7f;
+ } else if ((value & 0x40) == 0) {
+ return 0x081 + ((value & 0x3f) << 1);
+ } else if ((value & 0x20) == 0) {
+ return 0x104 + ((value & 0x1f) << 3);
+ } else {
+ return 0x208 + ((value & 0x1f) << 4);
+ }
+
+}