Index: branches/SHM-dev/source/Lib/TLibDecoder/SEIread.cpp
===================================================================
--- branches/SHM-dev/source/Lib/TLibDecoder/SEIread.cpp	(revision 898)
+++ branches/SHM-dev/source/Lib/TLibDecoder/SEIread.cpp	(revision 900)
@@ -359,5 +359,9 @@
    case SEI::SUB_BITSTREAM_PROPERTY:
      sei = new SEISubBitstreamProperty;
+#if OLS_IDX_CHK
+     xParseSEISubBitstreamProperty((SEISubBitstreamProperty&) *sei, vps);
+#else
      xParseSEISubBitstreamProperty((SEISubBitstreamProperty&) *sei);
+#endif
      break;
 #endif
@@ -1349,5 +1353,9 @@
 #endif
 #if SUB_BITSTREAM_PROPERTY_SEI
+#if OLS_IDX_CHK
+Void SEIReader::xParseSEISubBitstreamProperty(SEISubBitstreamProperty &sei, TComVPS *vps)
+#else
 Void SEIReader::xParseSEISubBitstreamProperty(SEISubBitstreamProperty &sei)
+#endif
 {
   UInt uiCode;
@@ -1358,5 +1366,10 @@
   {
     READ_CODE(  2, uiCode, "sub_bitstream_mode[i]"           ); sei.m_subBitstreamMode[i] = uiCode;
-    READ_UVLC(     uiCode, "output_layer_set_idx_to_vps[i]"  ); sei.m_outputLayerSetIdxToVps[i] = uiCode;
+    READ_UVLC(     uiCode, "output_layer_set_idx_to_vps[i]"  );
+#if OLS_IDX_CHK
+      // The value of output_layer_set_idx_to_vps[ i ]  shall be in the range of 0 to NumOutputLayerSets − 1, inclusive.
+      assert(uiCode > 0 && uiCode <= vps->getNumOutputLayerSets()-1);
+#endif
+      sei.m_outputLayerSetIdxToVps[i] = uiCode;
     READ_CODE(  3, uiCode, "highest_sub_layer_id[i]"         ); sei.m_highestSublayerId[i] = uiCode;
     READ_CODE( 16, uiCode, "avg_bit_rate[i]"                 ); sei.m_avgBitRate[i] = uiCode;
Index: branches/SHM-dev/source/Lib/TLibDecoder/SEIread.h
===================================================================
--- branches/SHM-dev/source/Lib/TLibDecoder/SEIread.h	(revision 898)
+++ branches/SHM-dev/source/Lib/TLibDecoder/SEIread.h	(revision 900)
@@ -107,5 +107,9 @@
 #endif
 #if SUB_BITSTREAM_PROPERTY_SEI
+#if OLS_IDX_CHK
+Void   xParseSEISubBitstreamProperty   (SEISubBitstreamProperty &sei, TComVPS *vps);
+#else
 Void   xParseSEISubBitstreamProperty   (SEISubBitstreamProperty &sei);
+#endif
 #endif
 #if LAYERS_NOT_PRESENT_SEI