diff --git a/trunk/src/srt/ts_demux.cpp b/trunk/src/srt/ts_demux.cpp
index 1d7648aca..23d8d430f 100644
--- a/trunk/src/srt/ts_demux.cpp
+++ b/trunk/src/srt/ts_demux.cpp
@@ -89,6 +89,7 @@ int ts_demux::decode_unit(unsigned char* data_p, std::string key_path, TS_DATA_C
                 field_p->_transport_private_data_length = data_p[pos];
                 pos++;
                 memcpy(field_p->_private_data_byte, data_p + pos, field_p->_transport_private_data_length);
+                pos += field_p->_transport_private_data_length;
             }
             if( field_p->_adaptation_field_extension_flag == 1 ) {
                 //adaptation_field_extension_length 8 uimsbf
diff --git a/trunk/src/srt/ts_demux.hpp b/trunk/src/srt/ts_demux.hpp
index 35190f8e5..bdd7e9221 100644
--- a/trunk/src/srt/ts_demux.hpp
+++ b/trunk/src/srt/ts_demux.hpp
@@ -125,6 +125,7 @@ public:
     unsigned short _DTS_next_AU2;//15bit
     unsigned char _marker_bit2;//1bit
     unsigned short _DTS_next_AU3;//15bit
+    unsigned char _marker_bit3;//1bit
 };
 
 class ts_header {