]> git.sesse.net Git - vlc/blobdiff - modules/demux/mkv.cpp
mkv.cpp: verify that the matroska version needed for playback matches (support only...
[vlc] / modules / demux / mkv.cpp
index 131e053acf5d9393060fc1f19c8d7b6ecd9af3f2..0848a8b073df8dedad5ec78ab169a0bd04edcced 100644 (file)
@@ -1,7 +1,7 @@
 /*****************************************************************************
  * mkv.cpp : matroska demuxer
  *****************************************************************************
- * Copyright (C) 2003-2004 VideoLAN
+ * Copyright (C) 2003-2004 the VideoLAN team
  * $Id$
  *
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
 
 #include "ebml/StdIOCallback.h"
 
+#if LIBMATROSKA_VERSION < 0x000706
+START_LIBMATROSKA_NAMESPACE
+extern const EbmlSemanticContext MATROSKA_DLL_API KaxMatroska_Context;
+END_LIBMATROSKA_NAMESPACE
+#endif
+
 #include "vlc_keys.h"
 
 extern "C" {
@@ -99,11 +105,6 @@ extern "C" {
 #define MKVD_TIMECODESCALE 1000000
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#ifdef VSLHC1
-#define DVDNAV_COMPILE
-#include <dvdnav.h>
-#else /* VSLHC */
-
 #undef ATTRIBUTE_PACKED
 #undef PRAGMA_PACK_BEGIN 
 #undef PRAGMA_PACK_END
@@ -364,8 +365,6 @@ typedef struct {
 #if PRAGMA_PACK
 #pragma pack()
 #endif
-
-#endif /* VSLHC */
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 
@@ -388,7 +387,7 @@ static int  Open ( vlc_object_t * );
 static void Close( vlc_object_t * );
 
 vlc_module_begin();
-    set_shortname( _("Matroska") );
+    set_shortname( "Matroska" );
     set_description( _("Matroska stream demuxer" ) );
     set_capability( "demux2", 50 );
     set_callbacks( Open, Close );
@@ -397,19 +396,23 @@ vlc_module_begin();
 
     add_bool( "mkv-use-ordered-chapters", 1, NULL,
             N_("Ordered chapters"),
-            N_("Play ordered chapters as specified in the segment"), VLC_TRUE );
+            N_("Play ordered chapters as specified in the segment."), VLC_TRUE );
 
     add_bool( "mkv-use-chapter-codec", 1, NULL,
             N_("Chapter codecs"),
-            N_("Use chapter codecs found in the segment"), VLC_TRUE );
+            N_("Use chapter codecs found in the segment."), VLC_TRUE );
+
+    add_bool( "mkv-preload-local-dir", 1, NULL,
+            N_("Preload Directory"),
+            N_("Preload matroska files from the same family in the same directory (not good for broken files)."), VLC_TRUE );
 
     add_bool( "mkv-seek-percent", 0, NULL,
             N_("Seek based on percent not time"),
-            N_("Seek based on percent not time"), VLC_TRUE );
+            N_("Seek based on percent not time."), VLC_TRUE );
 
     add_bool( "mkv-use-dummy", 0, NULL,
             N_("Dummy Elements"),
-            N_("Read and discard unknown EBML elements (not good for broken files)"), VLC_TRUE );
+            N_("Read and discard unknown EBML elements (not good for broken files)."), VLC_TRUE );
 
     add_shortcut( "mka" );
     add_shortcut( "mkv" );
@@ -499,9 +502,16 @@ class vlc_stream_io_callback: public IOCallback
   private:
     stream_t       *s;
     vlc_bool_t     mb_eof;
+    vlc_bool_t     b_owner;
 
   public:
-    vlc_stream_io_callback( stream_t * );
+    vlc_stream_io_callback( stream_t *, vlc_bool_t );
+
+    virtual ~vlc_stream_io_callback()
+    {
+        if( b_owner )
+            stream_Delete( s );
+    }
 
     virtual uint32   read            ( void *p_buffer, size_t i_size);
     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
@@ -524,6 +534,7 @@ class EbmlParser
     void Reset( demux_t *p_demux );
     EbmlElement *Get( void );
     void        Keep( void );
+    EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 
     int GetLevel( void );
 
@@ -566,6 +577,7 @@ typedef struct
 
     uint64_t     i_default_duration;
     float        f_timecodescale;
+    mtime_t      i_last_dts;
 
     /* video */
     es_format_t fmt;
@@ -617,15 +629,37 @@ class chapter_codec_cmds_c
 {
 public:
     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
-    :i_codec_id( codec_id )
+    :p_private_data(NULL)
+    ,i_codec_id( codec_id )
     ,sys( demuxer )
     {}
         
-    virtual ~chapter_codec_cmds_c() {}
+    virtual ~chapter_codec_cmds_c() 
+    {
+        delete p_private_data;
+        std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
+        while ( indexe != enter_cmds.end() )
+        {
+            delete (*indexe);
+            indexe++;
+        }
+        std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
+        while ( indexl != leave_cmds.end() )
+        {
+            delete (*indexl);
+            indexl++;
+        }
+        std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
+        while ( indexd != during_cmds.end() )
+        {
+            delete (*indexd);
+            indexd++;
+        }
+    }
 
     void SetPrivate( const KaxChapterProcessPrivate & private_data )
     {
-        m_private_data = *( new KaxChapterProcessPrivate( private_data ) );
+        p_private_data = new KaxChapterProcessPrivate( private_data );
     }
 
     void AddCommand( const KaxChapterProcessCommand & command );
@@ -634,13 +668,14 @@ public:
     virtual bool Enter() { return false; }
     virtual bool Leave() { return false; }
     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
+    virtual int16 GetTitleNumber() { return -1; }
 
-    KaxChapterProcessPrivate m_private_data;
+    KaxChapterProcessPrivate *p_private_data;
 
 protected:
-    std::vector<KaxChapterProcessData> enter_cmds;
-    std::vector<KaxChapterProcessData> during_cmds;
-    std::vector<KaxChapterProcessData> leave_cmds;
+    std::vector<KaxChapterProcessData*> enter_cmds;
+    std::vector<KaxChapterProcessData*> during_cmds;
+    std::vector<KaxChapterProcessData*> leave_cmds;
 
     int i_codec_id;
     demux_sys_t & sys;
@@ -757,14 +792,15 @@ protected:
     // DVD command IDs
 
     // Tests
-    // wether the test has to be positive or not
-    static const uint16 CMD_DVD_IF_NOT              = 0x10;
     // wether it's a comparison on the value or register
     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
-    static const uint16 CMD_DVD_IF_GPREG_AND        = (0 << 5);
-    static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (1 << 5);
-    static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (2 << 5);
-    static const uint16 CMD_DVD_IF_GPREG_INF        = (3 << 5);
+    static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
+    static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
+    static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
+    static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
+    static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
+    static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
+    static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
     
     static const uint16 CMD_DVD_NOP                    = 0x0000;
     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
@@ -776,12 +812,13 @@ protected:
     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
+    static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
     //
     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
-    static const uint16 CMD_DVD_SET_AUDIO              = 0x5100;
+    static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
@@ -795,10 +832,15 @@ protected:
     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
     
     // callbacks when browsing inside CodecPrivate
-    static bool MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
-    static bool MatchPgcType    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
-    static bool MatchPgcNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
-    static bool MatchCellNumber ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
+    static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
+    static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
+    static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
+    static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
+    static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
+    static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
+    static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
+    static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
+    static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 };
 
 class dvd_chapter_codec_c : public chapter_codec_cmds_c
@@ -811,6 +853,7 @@ public:
     bool Enter();
     bool Leave();
     std::string GetCodecName( bool f_for_title = false ) const;
+    int16 GetTitleNumber();
 };
 
 class matroska_script_interpretor_c
@@ -850,7 +893,16 @@ protected:
 class chapter_translation_c
 {
 public:
-    KaxChapterTranslateID  translated;
+    chapter_translation_c()
+        :p_translated(NULL)
+    {}
+
+    ~chapter_translation_c()
+    {
+        delete p_translated;
+    }
+
+    KaxChapterTranslateID  *p_translated;
     unsigned int           codec_id;
     std::vector<uint64_t>  editions;
 };
@@ -888,7 +940,7 @@ public:
 
     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
-    chapter_item_c * FindTimecode( mtime_t i_timecode );
+    virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
     void Append( const chapter_item_c & edition );
     chapter_item_c * FindChapter( int64_t i_find_uid );
     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id, 
@@ -897,6 +949,7 @@ public:
                                     size_t i_cookie_size );
     std::string                 GetCodecName( bool f_for_title = false ) const;
     bool                        ParentOf( const chapter_item_c & item ) const;
+    int16                       GetTitleNumber( ) const;
     
     int64_t                     i_start_time, i_end_time;
     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
@@ -911,14 +964,14 @@ public:
     
     std::vector<chapter_codec_cmds_c*> codecs;
 
-    bool operator<( const chapter_item_c & item ) const
+    static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
     {
-        return ( i_user_start_time < item.i_user_start_time || (i_user_start_time == item.i_user_start_time && i_user_end_time < item.i_user_end_time) );
+        return ( itemA->i_user_start_time < itemB->i_user_start_time || (itemA->i_user_start_time == itemB->i_user_start_time && itemA->i_user_end_time < itemB->i_user_end_time) );
     }
 
     bool Enter( bool b_do_subchapters );
     bool Leave( bool b_do_subchapters );
-    bool EnterAndLeave( chapter_item_c *p_item );
+    bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 };
 
 class chapter_edition_c : public chapter_item_c
@@ -931,6 +984,7 @@ public:
     void RefreshChapters( );
     mtime_t Duration() const;
     std::string GetMainName() const;
+    chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
     
     bool                        b_ordered;
 };
@@ -948,7 +1002,12 @@ public:
         ,i_chapters_position(-1)
         ,i_tags_position(-1)
         ,cluster(NULL)
+        ,i_block_pos(0)
+        ,i_cluster_pos(0)
         ,i_start_pos(0)
+        ,p_segment_uid(NULL)
+        ,p_prev_segment_uid(NULL)
+        ,p_next_segment_uid(NULL)
         ,b_cues(VLC_FALSE)
         ,i_index(0)
         ,i_index_max(1024)
@@ -962,7 +1021,7 @@ public:
         ,ep(NULL)
         ,b_preloaded(false)
     {
-        index = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
+        p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
     }
 
     virtual ~matroska_segment_c()
@@ -1004,10 +1063,14 @@ public:
         {
             free( psz_date_utc );
         }
-        if ( index )
-            free( index );
+        if ( p_indexes )
+            free( p_indexes );
 
         delete ep;
+        delete segment;
+        delete p_segment_uid;
+        delete p_prev_segment_uid;
+        delete p_next_segment_uid;
 
         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
         while ( index != stored_editions.end() )
@@ -1015,6 +1078,18 @@ public:
             delete (*index);
             index++;
         }
+        std::vector<chapter_translation_c*>::iterator indext = translations.begin();
+        while ( indext != translations.end() )
+        {
+            delete (*indext);
+            indext++;
+        }
+        std::vector<KaxSegmentFamily*>::iterator indexf = families.begin();
+        while ( indexf != families.end() )
+        {
+            delete (*indexf);
+            indexf++;
+        }
     }
 
     KaxSegment              *segment;
@@ -1036,15 +1111,17 @@ public:
     int64_t                 i_tags_position;
 
     KaxCluster              *cluster;
+    uint64                  i_block_pos;
+    uint64                  i_cluster_pos;
     int64_t                 i_start_pos;
-    KaxSegmentUID           segment_uid;
-    KaxPrevUID              prev_segment_uid;
-    KaxNextUID              next_segment_uid;
+    KaxSegmentUID           *p_segment_uid;
+    KaxPrevUID              *p_prev_segment_uid;
+    KaxNextUID              *p_next_segment_uid;
 
     vlc_bool_t              b_cues;
     int                     i_index;
     int                     i_index_max;
-    mkv_index_t             *index;
+    mkv_index_t             *p_indexes;
 
     /* info */
     char                    *psz_muxing_application;
@@ -1059,8 +1136,8 @@ public:
     std::vector<chapter_edition_c*> stored_editions;
     int                             i_default_edition;
 
-    std::vector<chapter_translation_c> translations;
-    std::vector<KaxSegmentFamily>  families;
+    std::vector<chapter_translation_c*> translations;
+    std::vector<KaxSegmentFamily*>  families;
     
     demux_sys_t                    & sys;
     EbmlParser                     *ep;
@@ -1080,7 +1157,7 @@ public:
     void LoadTags( );
     void InformationCreate( );
     void Seek( mtime_t i_date, mtime_t i_time_offset );
-    int BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
+    int BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
     bool Select( mtime_t i_start_time );
     void UnSelect( );
 
@@ -1100,9 +1177,9 @@ public:
     {
         linked_segments.push_back( p_segment );
 
-        AppendUID( p_segment->segment_uid );
-        AppendUID( p_segment->prev_segment_uid );
-        AppendUID( p_segment->next_segment_uid );
+        AppendUID( p_segment->p_segment_uid );
+        AppendUID( p_segment->p_prev_segment_uid );
+        AppendUID( p_segment->p_next_segment_uid );
     }
 
     void Sort();
@@ -1170,7 +1247,7 @@ protected:
     int                              i_current_edition;
     chapter_item_c                   *psz_current_chapter;
 
-    void                             AppendUID( const EbmlBinary & UID );
+    void                             AppendUID( const EbmlBinary * UID );
 };
 
 class matroska_stream_c
@@ -1224,9 +1301,11 @@ public:
         ,f_duration(-1.0)
         ,b_ui_hooked(false)
         ,p_input(NULL)
-        ,i_curr_button(0)
+        ,b_pci_packet_set(false)
         ,p_ev(NULL)
-    {}
+    {
+        vlc_mutex_init( &demuxer, &lock_demuxer );
+    }
 
     virtual ~demux_sys_t()
     {
@@ -1238,6 +1317,7 @@ public:
             delete opened_segments[i];
         for ( i=0; i<used_segments.size(); i++ )
             delete used_segments[i];
+        vlc_mutex_destroy( &lock_demuxer );
     }
 
     /* current data */
@@ -1249,7 +1329,7 @@ public:
 
     vlc_meta_t              *meta;
 
-    std::vector<input_title_t      titles; // matroska editions
+    std::vector<input_title_t*>      titles; // matroska editions
     size_t                           i_current_title;
 
     std::vector<matroska_stream_c*>  streams;
@@ -1273,7 +1353,8 @@ public:
     void PreloadFamily( const matroska_segment_c & of_segment );
     void PreloadLinked( matroska_segment_c *p_segment );
     bool PreparePlayback( virtual_segment_c *p_new_segment );
-    matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream );
+    matroska_stream_c *AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial = false );
+    void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
 
     void StartUiThread();
     void StopUiThread();
@@ -1283,8 +1364,9 @@ public:
     /* for spu variables */
     input_thread_t *p_input;
     pci_t          pci_packet;
-    int16          i_curr_button;
-    uint8_t        alpha[4];
+    bool           b_pci_packet_set;
+    uint8_t        palette[4][4];
+    vlc_mutex_t    lock_demuxer;
 
     /* event */
     event_thread_t *p_ev;
@@ -1307,7 +1389,10 @@ static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c
 
 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
 
-static char *UTF8ToStr          ( const UTFstring &u );
+static inline char * ToUTF8( const UTFstring &u )
+{
+    return strdup( u.GetUTF8().c_str() );
+}
 
 /*****************************************************************************
  * Open: initializes matroska demux structures
@@ -1335,7 +1420,7 @@ static int Open( vlc_object_t * p_this )
     p_demux->pf_control = Control;
     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
 
-    p_io_callback = new vlc_stream_io_callback( p_demux->s );
+    p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
     p_io_stream = new EbmlStream( *p_io_callback );
 
     if( p_io_stream == NULL )
@@ -1346,7 +1431,7 @@ static int Open( vlc_object_t * p_this )
         return VLC_EGENERIC;
     }
 
-    p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream );
+    p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_io_stream, true );
     if( p_stream == NULL )
     {
         msg_Err( p_demux, "cannot find KaxSegment" );
@@ -1371,77 +1456,93 @@ static int Open( vlc_object_t * p_this )
         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
     }
 
-    /* get the files from the same dir from the same family (based on p_demux->psz_path) */
-    if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
+    if (config_GetInt( p_demux, "mkv-preload-local-dir" ))
     {
-        // assume it's a regular file
-        // get the directory path
-        s_path = p_demux->psz_path;
-        if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
+        /* get the files from the same dir from the same family (based on p_demux->psz_path) */
+        if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
         {
-            s_path = s_path.substr(0,s_path.length()-1);
-        }
-        else
-        {
-            if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0) 
+            // assume it's a regular file
+            // get the directory path
+            s_path = p_demux->psz_path;
+            if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
             {
-                s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
+                s_path = s_path.substr(0,s_path.length()-1);
+            }
+            else
+            {
+                if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0) 
+                {
+                    s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
+                }
             }
-        }
 
-        struct dirent *p_file_item;
-        DIR *p_src_dir = opendir(s_path.c_str());
+            struct dirent *p_file_item;
+            DIR *p_src_dir = opendir(s_path.c_str());
 
-        if (p_src_dir != NULL)
-        {
-            while ((p_file_item = (dirent *) readdir(p_src_dir)))
+            if (p_src_dir != NULL)
             {
-                if (strlen(p_file_item->d_name) > 4)
+                while ((p_file_item = (dirent *) readdir(p_src_dir)))
                 {
-                    s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
+                    if (strlen(p_file_item->d_name) > 4)
+                    {
+                        s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
 
-                    if (!s_filename.compare(p_demux->psz_path))
-                        continue; // don't reuse the original opened file
+                        if (!s_filename.compare(p_demux->psz_path))
+                            continue; // don't reuse the original opened file
 
 #if defined(__GNUC__) && (__GNUC__ < 3)
-                    if (!s_filename.compare("mkv", s_filename.length() - 3, 3) || 
-                        !s_filename.compare("mka", s_filename.length() - 3, 3))
+                        if (!s_filename.compare("mkv", s_filename.length() - 3, 3) || 
+                            !s_filename.compare("mka", s_filename.length() - 3, 3))
 #else
-                    if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") || 
-                        !s_filename.compare(s_filename.length() - 3, 3, "mka"))
+                        if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") || 
+                            !s_filename.compare(s_filename.length() - 3, 3, "mka"))
 #endif
-                    {
-                        // test wether this file belongs to the our family
-                        StdIOCallback *p_file_io = new StdIOCallback(s_filename.c_str(), MODE_READ);
-                        EbmlStream *p_estream = new EbmlStream(*p_file_io);
-
-                        p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
-                        if ( p_stream == NULL )
-                        {
-                            msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
-                            delete p_estream;
-                            delete p_file_io;
-                        }
-                        else
                         {
-                            p_stream->p_in = p_file_io;
-                            p_stream->p_es = p_estream;
-                            p_sys->streams.push_back( p_stream );
+                            // test wether this file belongs to our family
+                            stream_t *p_file_stream = stream_UrlNew( p_demux, s_filename.c_str());
+                            if ( p_file_stream != NULL )
+                            {
+                                vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, VLC_TRUE );
+                                EbmlStream *p_estream = new EbmlStream(*p_file_io);
+
+                                p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_estream );
+
+                                if ( p_stream == NULL )
+                                {
+                                    msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
+                                    delete p_estream;
+                                    delete p_file_io;
+                                }
+                                else
+                                {
+                                    p_stream->p_in = p_file_io;
+                                    p_stream->p_es = p_estream;
+                                    p_sys->streams.push_back( p_stream );
+                                }
+                            }
+                            else
+                            {
+                                msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
+                            }
                         }
                     }
                 }
+                closedir( p_src_dir );
             }
-            closedir( p_src_dir );
         }
+
+        p_sys->PreloadFamily( *p_segment );
     }
 
-    p_sys->PreloadFamily( *p_segment );
     p_sys->PreloadLinked( p_segment );
+
     if ( !p_sys->PreparePlayback( NULL ) )
     {
         msg_Err( p_demux, "cannot use the segment" );
         goto error;
     }
+
+    p_sys->StartUiThread();
     
     return VLC_SUCCESS;
 
@@ -1517,7 +1618,7 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
 
                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
                 {
-                    (*ppp_title)[i] = vlc_input_title_Duplicate( &p_sys->titles[i] );
+                    (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
                 }
 
                 return VLC_SUCCESS;
@@ -1529,7 +1630,7 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
             i_idx = (int)va_arg( args, int );
             if( i_idx < p_sys->used_segments.size() )
             {
-                p_sys->PreparePlayback( p_sys->used_segments[i_idx] );
+                p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
                 return VLC_SUCCESS;
             }
             return VLC_EGENERIC;
@@ -1538,9 +1639,9 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
             i_skp = (int)va_arg( args, int );
 
             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
-            if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title].i_seekpoint)
+            if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
             {
-                Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title].seekpoint[i_skp]->i_time_offset, -1, NULL);
+                Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
                 p_demux->info.i_seekpoint = i_skp;
                 return VLC_SUCCESS;
@@ -1554,11 +1655,11 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
     }
 }
 
-int matroska_segment_c::BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
+int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
 {
-    *pp_block = NULL;
-    *pi_ref1  = -1;
-    *pi_ref2  = -1;
+    pp_block = NULL;
+    *pi_ref1  = 0;
+    *pi_ref2  = 0;
 
     for( ;; )
     {
@@ -1571,14 +1672,14 @@ int matroska_segment_c::BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t
         el = ep->Get();
         i_level = ep->GetLevel();
 
-        if( el == NULL && *pp_block != NULL )
+        if( el == NULL && pp_block != NULL )
         {
             /* update the index */
-#define idx index[i_index - 1]
+#define idx p_indexes[i_index - 1]
             if( i_index > 0 && idx.i_time == -1 )
             {
-                idx.i_time        = (*pp_block)->GlobalTimecode() / (mtime_t)1000;
-                idx.b_key         = *pi_ref1 == -1 ? VLC_TRUE : VLC_FALSE;
+                idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
+                idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
             }
 #undef idx
             return VLC_SUCCESS;
@@ -1602,10 +1703,11 @@ int matroska_segment_c::BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t
             if( MKV_IS_ID( el, KaxCluster ) )
             {
                 cluster = (KaxCluster*)el;
+                i_cluster_pos = cluster->GetElementPosition();
 
                 /* add it to the index */
                 if( i_index == 0 ||
-                    ( i_index > 0 && index[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
+                    ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
                 {
                     IndexAppendCluster( cluster );
                 }
@@ -1642,16 +1744,17 @@ int matroska_segment_c::BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t
             }
             else if( MKV_IS_ID( el, KaxBlockGroup ) )
             {
+                i_block_pos = el->GetElementPosition();
                 ep->Down();
             }
             break;
         case 3:
             if( MKV_IS_ID( el, KaxBlock ) )
             {
-                *pp_block = (KaxBlock*)el;
+                pp_block = (KaxBlock*)el;
 
-                (*pp_block)->ReadData( es.I_O() );
-                (*pp_block)->SetParent( *cluster );
+                pp_block->ReadData( es.I_O() );
+                pp_block->SetParent( *cluster );
 
                 ep->Keep();
             }
@@ -1667,13 +1770,13 @@ int matroska_segment_c::BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t
                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
 
                 ref.ReadData( es.I_O() );
-                if( *pi_ref1 == -1 )
+                if( *pi_ref1 == 0 )
                 {
-                    *pi_ref1 = int64( ref );
+                    *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
                 }
                 else
                 {
-                    *pi_ref2 = int64( ref );
+                    *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
                 }
             }
             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
@@ -1708,7 +1811,7 @@ static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
 }
 
 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
-                         mtime_t i_duration )
+                         mtime_t i_duration, bool f_unreferenced )
 {
     demux_sys_t        *p_sys = p_demux->p_sys;
     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
@@ -1731,17 +1834,17 @@ static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
         return;
     }
-    if( tk->p_es == NULL )
+    if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
     {
         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
         return;
     }
-    if( i_pts < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
+    if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
     {
         return; /* discard audio packets that shouldn't be rendered */
     }
 
-    if ( tk->fmt.i_cat != SPU_ES || strcmp( tk->psz_codec, "B_VOBBTN" ) )
+    if ( tk->fmt.i_cat != NAV_ES )
     {
         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
 
@@ -1784,38 +1887,52 @@ static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
         }
 #endif
 
-        // TODO implement correct timestamping when B frames are used
+        if ( tk->fmt.i_cat == NAV_ES )
+        {
+            // TODO handle the start/stop times of this packet
+            if ( p_sys->b_ui_hooked )
+            {
+                vlc_mutex_lock( &p_sys->p_ev->lock );
+                memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
+                p_sys->SwapButtons();
+                p_sys->b_pci_packet_set = true;
+                vlc_mutex_unlock( &p_sys->p_ev->lock );
+                block_Release( p_block );
+            }
+            return;
+        }
+        // correct timestamping when B frames are used
         if( tk->fmt.i_cat != VIDEO_ES )
         {
             p_block->i_dts = p_block->i_pts = i_pts;
         }
         else
         {
-            p_block->i_dts = i_pts;
-            p_block->i_pts = 0;
-        }
-
-        if ( tk->fmt.i_cat == SPU_ES )
-        {
-            if ( !strcmp( tk->psz_codec, "B_VOBBTN" ) )
+            if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
             {
-                // TODO handle the start/stop times of this packet
-                if ( p_sys->b_ui_hooked )
-                {
-                    vlc_mutex_lock( &p_sys->p_ev->lock );
-                    memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
-                    p_sys->SwapButtons();
-                    vlc_mutex_unlock( &p_sys->p_ev->lock );
-                    block_Release( p_block );
-                }
-                return;
+                // in VFW we have no idea about B frames
+                p_block->i_pts = 0;
+                p_block->i_dts = i_pts;
             }
-
-            else if ( strcmp( tk->psz_codec, "S_VOBSUB" ) )
+            else
             {
-                p_block->i_length = i_duration * 1000;
+                p_block->i_pts = i_pts;
+                if ( f_unreferenced )
+                    p_block->i_dts = p_block->i_pts;
+                else
+                    p_block->i_dts = min( i_pts, tk->i_last_dts + (tk->i_default_duration >> 10));
+                p_sys->i_pts = p_block->i_dts;
             }
         }
+        tk->i_last_dts = p_block->i_dts;
+
+#if 1
+msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
+#endif
+        if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
+        {
+            p_block->i_length = i_duration * 1000;
+        }
 
         es_out_Send( p_demux->out, tk->p_es, p_block );
 
@@ -1826,7 +1943,7 @@ static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
 #undef tk
 }
 
-matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
+matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial )
 {
     int i_upper_lvl = 0;
     size_t i;
@@ -1839,11 +1956,29 @@ matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
     {
         return NULL;
     }
-    p_l0->SkipData(*p_estream, EbmlHead_Context);
+
+    // verify we can read this Segment, we only support Matroska version 1 for now
+    p_l0->Read(*p_estream, EbmlHead::ClassInfos.Context, i_upper_lvl, p_l0, true);
+
+    EDocType doc_type = GetChild<EDocType>(*static_cast<EbmlHead*>(p_l0));
+    if (std::string(doc_type) != "matroska")
+    {
+        msg_Dbg( p_demux, "Not a Matroska file : %s ", std::string(doc_type).c_str());
+        return NULL;
+    }
+
+    EDocTypeReadVersion doc_read_version = GetChild<EDocTypeReadVersion>(*static_cast<EbmlHead*>(p_l0));
+    if (uint64(doc_read_version) != 1)
+    {
+        msg_Dbg( p_demux, "Matroska Read version not matching : "I64Fd, uint64(doc_read_version));
+        return NULL;
+    }
+
     delete p_l0;
 
+
     // find all segments in this file
-    p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
+    p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
     if (p_l0 == NULL)
     {
         return NULL;
@@ -1857,7 +1992,7 @@ matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
         {
             EbmlParser  *ep;
             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
-            b_keep_segment = false;
+            b_keep_segment = b_initial;
 
             ep = new EbmlParser(p_estream, p_l0, &demuxer );
             p_segment1->ep = ep;
@@ -1882,20 +2017,21 @@ matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
                             if ( !b_keep_segment )
                                 break; // this segment is already known
                             opened_segments.push_back( p_segment1 );
-                            p_segment1->segment_uid = *( new KaxSegmentUID(*p_uid) );
+                            delete p_segment1->p_segment_uid;
+                            p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
                         }
                         else if( MKV_IS_ID( l, KaxPrevUID ) )
                         {
-                            p_segment1->prev_segment_uid = *( new KaxPrevUID( *static_cast<KaxPrevUID*>(l) ) );
+                            p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
                         }
                         else if( MKV_IS_ID( l, KaxNextUID ) )
                         {
-                            p_segment1->next_segment_uid = *( new KaxNextUID( *static_cast<KaxNextUID*>(l) ) );
+                            p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
                         }
                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
                         {
                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
-                            p_segment1->families.push_back( *p_fam );
+                            p_segment1->families.push_back( p_fam );
                         }
                     }
                     break;
@@ -1909,9 +2045,13 @@ matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
             else
                 delete p_segment1;
         }
-
-        p_l0->SkipData(*p_estream, EbmlHead_Context);
-        p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
+        if (p_l0->IsFiniteSize() )
+        {
+            p_l0->SkipData(*p_estream, KaxMatroska_Context);
+            p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
+        }
+        else
+            p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
     }
 
     if ( !b_keep_stream )
@@ -1928,13 +2068,14 @@ bool matroska_segment_c::Select( mtime_t i_start_time )
     size_t i_track;
 
     /* add all es */
-    msg_Dbg( &sys.demuxer, "found %d es", tracks.size() );
-    sys.StopUiThread();
+    msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
+    sys.b_pci_packet_set = false;
+
     for( i_track = 0; i_track < tracks.size(); i_track++ )
     {
         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
         {
-            msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", i_track, tracks[i_track]->i_number );
+            msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
             tracks[i_track]->p_es = NULL;
             continue;
         }
@@ -1976,7 +2117,6 @@ bool matroska_segment_c::Select( mtime_t i_start_time )
             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
             {
                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
-                tracks[i_track]->fmt.b_packetized = VLC_FALSE;
                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
@@ -1989,16 +2129,10 @@ bool matroska_segment_c::Select( mtime_t i_start_time )
         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
         {
             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
-#ifdef VSLHC
-            stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
-                                                       tracks[i_track]->p_extra_data,
-                                                       tracks[i_track]->i_extra_data );
-#else
             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
                                                        tracks[i_track]->p_extra_data,
                                                        tracks[i_track]->i_extra_data,
                                                        VLC_FALSE );
-#endif
             MP4_ReadBoxCommon( p_mp4_stream, p_box );
             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
             tracks[i_track]->fmt.i_codec = p_box->i_type;
@@ -2008,11 +2142,7 @@ bool matroska_segment_c::Select( mtime_t i_start_time )
             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
             MP4_FreeBox_sample_vide( p_box );
-#ifdef VSLHC
-            stream_MemoryDelete( p_mp4_stream, VLC_TRUE );
-#else
             stream_Delete( p_mp4_stream );
-#endif        
         }
         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
         {
@@ -2161,13 +2291,13 @@ bool matroska_segment_c::Select( mtime_t i_start_time )
         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
         {
             /* FIXME: support this codec */
-            msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
+            msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
         }
         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
         {
             /* FIXME: support this codec */
-            msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
+            msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
         }
         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
@@ -2208,8 +2338,8 @@ bool matroska_segment_c::Select( mtime_t i_start_time )
         }
         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
         {
-            tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
-            sys.StartUiThread();
+            tracks[i_track]->fmt.i_cat = NAV_ES;
+            continue;
         }
         else
         {
@@ -2250,13 +2380,14 @@ void demux_sys_t::StartUiThread()
         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
         var_Create( p_input, "color", VLC_VAR_ADDRESS );
-        var_Create( p_input, "menu-contrast", VLC_VAR_ADDRESS );
+        var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
         var_Create( p_input, "highlight", VLC_VAR_BOOL );
         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
 
         /* Now create our event thread catcher */
         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
         p_ev->p_demux = &demuxer;
+        p_ev->b_die = VLC_FALSE;
         vlc_mutex_init( p_ev, &p_ev->lock );
         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
@@ -2269,6 +2400,11 @@ void demux_sys_t::StopUiThread()
     {
         p_ev->b_die = VLC_TRUE;
 
+        vlc_thread_join( p_ev );
+        vlc_object_destroy( p_ev );
+
+        p_ev = NULL;
+
         var_Destroy( p_input, "highlight-mutex" );
         var_Destroy( p_input, "highlight" );
         var_Destroy( p_input, "x-start" );
@@ -2276,10 +2412,9 @@ void demux_sys_t::StopUiThread()
         var_Destroy( p_input, "y-start" );
         var_Destroy( p_input, "y-end" );
         var_Destroy( p_input, "color" );
-        var_Destroy( p_input, "menu-contrast" );
+        var_Destroy( p_input, "menu-palette" );
 
-        vlc_thread_join( p_ev );
-        vlc_object_destroy( p_ev );
+        vlc_object_release( p_input );
 
         msg_Dbg( &demuxer, "Stopping the UI Hook" );
     }
@@ -2292,7 +2427,10 @@ int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
     event_thread_t *p_ev = (event_thread_t *) p_data;
     vlc_mutex_lock( &p_ev->lock );
     if( psz_var[6] == 'c' )
+    {
         p_ev->b_clicked = VLC_TRUE;
+        msg_Dbg( p_this, "Event Mouse: clicked");
+    }
     else if( psz_var[6] == 'm' )
         p_ev->b_moved = VLC_TRUE;
     vlc_mutex_unlock( &p_ev->lock );
@@ -2307,6 +2445,7 @@ int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
     vlc_mutex_lock( &p_ev->lock );
     p_ev->b_key = VLC_TRUE;
     vlc_mutex_unlock( &p_ev->lock );
+    msg_Dbg( p_this, "Event Key");
 
     return VLC_SUCCESS;
 }
@@ -2327,6 +2466,13 @@ int demux_sys_t::EventThread( vlc_object_t *p_this )
     /* main loop */
     while( !p_ev->b_die )
     {
+        if ( !p_sys->b_pci_packet_set )
+        {
+            /* Wait 100ms */
+            msleep( 100000 );
+            continue;
+        }
+
         vlc_bool_t b_activated = VLC_FALSE;
 
         /* KEY part */
@@ -2336,6 +2482,8 @@ int demux_sys_t::EventThread( vlc_object_t *p_this )
             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
             int i, i_action = -1;
 
+            msg_Dbg( p_ev->p_demux, "Handle Key Event");
+
             vlc_mutex_lock( &p_ev->lock );
 
             pci_t *pci = (pci_t *) &p_sys->pci_packet;
@@ -2349,23 +2497,118 @@ int demux_sys_t::EventThread( vlc_object_t *p_this )
                 }
             }
 
+            uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
+
             switch( i_action )
             {
             case ACTIONID_NAV_LEFT:
-//                dvdnav_left_button_select( NULL, pci );
+                if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
+                {
+                    btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
+                    if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
+                    {
+                        i_curr_button = p_button_ptr->left;
+                        p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
+                        btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
+                        if ( button_ptr.auto_action_mode )
+                        {
+                            vlc_mutex_unlock( &p_ev->lock );
+                            vlc_mutex_lock( &p_sys->lock_demuxer );
+
+                            // process the button action
+                            p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
+
+                            vlc_mutex_unlock( &p_sys->lock_demuxer );
+                            vlc_mutex_lock( &p_ev->lock );
+                        }
+                    }
+                }
                 break;
             case ACTIONID_NAV_RIGHT:
-//                dvdnav_right_button_select( NULL, pci );
+                if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
+                {
+                    btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
+                    if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
+                    {
+                        i_curr_button = p_button_ptr->right;
+                        p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
+                        btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
+                        if ( button_ptr.auto_action_mode )
+                        {
+                            vlc_mutex_unlock( &p_ev->lock );
+                            vlc_mutex_lock( &p_sys->lock_demuxer );
+
+                            // process the button action
+                            p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
+
+                            vlc_mutex_unlock( &p_sys->lock_demuxer );
+                            vlc_mutex_lock( &p_ev->lock );
+                        }
+                    }
+                }
                 break;
             case ACTIONID_NAV_UP:
-//                dvdnav_upper_button_select( NULL, pci );
+                if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
+                {
+                    btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
+                    if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
+                    {
+                        i_curr_button = p_button_ptr->up;
+                        p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
+                        btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
+                        if ( button_ptr.auto_action_mode )
+                        {
+                            vlc_mutex_unlock( &p_ev->lock );
+                            vlc_mutex_lock( &p_sys->lock_demuxer );
+
+                            // process the button action
+                            p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
+
+                            vlc_mutex_unlock( &p_sys->lock_demuxer );
+                            vlc_mutex_lock( &p_ev->lock );
+                        }
+                    }
+                }
                 break;
             case ACTIONID_NAV_DOWN:
-//                dvdnav_lower_button_select( NULL, pci );
+                if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
+                {
+                    btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
+                    if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
+                    {
+                        i_curr_button = p_button_ptr->down;
+                        p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
+                        btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
+                        if ( button_ptr.auto_action_mode )
+                        {
+                            vlc_mutex_unlock( &p_ev->lock );
+                            vlc_mutex_lock( &p_sys->lock_demuxer );
+
+                            // process the button action
+                            p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
+
+                            vlc_mutex_unlock( &p_sys->lock_demuxer );
+                            vlc_mutex_lock( &p_ev->lock );
+                        }
+                    }
+                }
                 break;
             case ACTIONID_NAV_ACTIVATE:
                 b_activated = VLC_TRUE;
-//                dvdnav_button_activate( NULL, pci );
+        
+                if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
+                {
+                    btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
+
+                    vlc_mutex_unlock( &p_ev->lock );
+                    vlc_mutex_lock( &p_sys->lock_demuxer );
+
+                    // process the button action
+                    p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
+
+                    vlc_mutex_unlock( &p_sys->lock_demuxer );
+                    vlc_mutex_lock( &p_ev->lock );
+                }
                 break;
             default:
                 break;
@@ -2374,7 +2617,7 @@ int demux_sys_t::EventThread( vlc_object_t *p_this )
             vlc_mutex_unlock( &p_ev->lock );
         }
 
-        /* VOUT part */
+        /* MOUSE part */
         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
         {
             vlc_value_t valx, valy;
@@ -2384,17 +2627,14 @@ int demux_sys_t::EventThread( vlc_object_t *p_this )
             var_Get( p_vout, "mouse-x", &valx );
             var_Get( p_vout, "mouse-y", &valy );
 
-            if( p_ev->b_moved )
-            {
-//                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
-                p_ev->b_moved = 0;
-            }
             if( p_ev->b_clicked )
             {
                 int32_t button;
                 int32_t best,dist,d;
                 int32_t mx,my,dx,dy;
 
+                msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
+
                 b_activated = VLC_TRUE;
                 // get current button
                 best = 0;
@@ -2403,8 +2643,10 @@ int demux_sys_t::EventThread( vlc_object_t *p_this )
                 {
                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
 
-                    if((valx.i_int >= button_ptr->x_start) && (valx.i_int <= button_ptr->x_end) &&
-                       (valy.i_int >= button_ptr->y_start) && (valy.i_int <= button_ptr->y_end)) 
+                    if(((unsigned)valx.i_int >= button_ptr->x_start)
+                     && ((unsigned)valx.i_int <= button_ptr->x_end)
+                     && ((unsigned)valy.i_int >= button_ptr->y_start)
+                     && ((unsigned)valy.i_int <= button_ptr->y_end)) 
                     {
                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
                         my = (button_ptr->y_start + button_ptr->y_end)/2;
@@ -2422,58 +2664,75 @@ int demux_sys_t::EventThread( vlc_object_t *p_this )
 
                 if ( best != 0)
                 {
-                    btni_t *button_ptr = &(pci->hli.btnit[best-1]);
+                    btni_t button_ptr = pci->hli.btnit[best-1];
+                    uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
 
                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
+                    vlc_mutex_unlock( &p_ev->lock );
+                    vlc_mutex_lock( &p_sys->lock_demuxer );
 
                     // process the button action
                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
-                    p_sys->dvd_interpretor.Interpret( button_ptr->cmd.bytes, 8 );
+                    p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
+
+                    msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
 
                     // select new button
-                    if ( best != p_sys->i_curr_button )
+                    if ( best != i_curr_button )
                     {
                         vlc_value_t val;
 
                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
                         {
                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
-                            btni_t *button_ptr = &(pci->hli.btnit[best-1]);
                             uint32_t i_palette;
 
-                            if(button_ptr->btn_coln != 0) {
-                                i_palette = pci->hli.btn_colit.btn_coli[button_ptr->btn_coln-1][1];
+                            if(button_ptr.btn_coln != 0) {
+                                i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
                             } else {
                                 i_palette = 0;
                             }
-                            p_sys->alpha[0] = i_palette      & 0x0f;
-                            p_sys->alpha[1] = (i_palette>>4) & 0x0f;
-                            p_sys->alpha[2] = (i_palette>>8) & 0x0f;
-                            p_sys->alpha[3] = (i_palette>>12)& 0x0f;
+
+                            for( int i = 0; i < 4; i++ )
+                            {
+                                uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
+                                uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
+                                i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
+
+                                p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
+                                p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
+                                p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
+                                p_sys->palette[i][3] = i_alpha;
+                            }
 
                             vlc_mutex_lock( p_mutex );
-                            val.i_int = button_ptr->x_start; var_Set( p_sys->p_input, "x-start", val );
-                            val.i_int = button_ptr->x_end;   var_Set( p_sys->p_input, "x-end",   val );
-                            val.i_int = button_ptr->y_start; var_Set( p_sys->p_input, "y-start", val );
-                            val.i_int = button_ptr->y_end;   var_Set( p_sys->p_input, "y-end",   val );
+                            val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
+                            val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
+                            val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
+                            val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
 
-                            val.p_address = (void *)p_sys->alpha;
-                            var_Set( p_sys->p_input, "menu-contrast", val );
+                            val.p_address = (void *)p_sys->palette;
+                            var_Set( p_sys->p_input, "menu-palette", val );
 
                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
                             vlc_mutex_unlock( p_mutex );
-
-                            p_sys->i_curr_button = best;
                         }
                     }
+                    vlc_mutex_unlock( &p_sys->lock_demuxer );
+                    vlc_mutex_lock( &p_ev->lock );
                 }
             }
+            else if( p_ev->b_moved )
+            {
+//                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
+            }
 
             p_ev->b_moved = VLC_FALSE;
             p_ev->b_clicked = VLC_FALSE;
             vlc_mutex_unlock( &p_ev->lock );
         }
 
+        /* VOUT part */
         if( p_vout && p_vout->b_die )
         {
             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
@@ -2482,7 +2741,7 @@ int demux_sys_t::EventThread( vlc_object_t *p_this )
             p_vout = NULL;
         }
 
-        if( p_vout == NULL )
+        else if( p_vout == NULL )
         {
             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
                                       FIND_CHILD );
@@ -2493,7 +2752,7 @@ int demux_sys_t::EventThread( vlc_object_t *p_this )
             }
         }
 
-        /* Wait a bit */
+        /* Wait a bit, 10ms */
         msleep( 10000 );
     }
 
@@ -2515,12 +2774,11 @@ void matroska_segment_c::UnSelect( )
 {
     size_t i_track;
 
-    sys.StopUiThread();
-
     for( i_track = 0; i_track < tracks.size(); i_track++ )
     {
         if ( tracks[i_track]->p_es != NULL )
         {
+//            es_format_Clean( &tracks[i_track]->fmt );
             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
             tracks[i_track]->p_es = NULL;
         }
@@ -2601,12 +2859,13 @@ bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
 {
     demux_sys_t & sys = *demux.p_sys;
     chapter_item_c *psz_curr_chapter;
+    bool b_has_seeked = false;
 
     /* update current chapter/seekpoint */
     if ( p_editions->size() )
     {
         /* 1st, we need to know in which chapter we are */
-        psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts );
+        psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
 
         /* we have moved to a new chapter */
         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
@@ -2614,24 +2873,24 @@ bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
             if ( (*p_editions)[i_current_edition]->b_ordered )
             {
                 // Leave/Enter up to the link point
-                if ( !psz_curr_chapter->EnterAndLeave( psz_current_chapter ) )
+                b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
+                if ( !b_has_seeked )
                 {
-                    // only seek if necessary
+                    // only physically seek if necessary
                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
-                    psz_current_chapter = psz_curr_chapter;
                 }
             }
-            else if ( psz_curr_chapter->i_seekpoint_num > 0 )
-            {
-                demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
-                demux.info.i_title = sys.i_current_title = i_sys_title;
-                demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
-                psz_current_chapter = psz_curr_chapter;
-            }
-            else
+            
+            if ( !b_has_seeked )
             {
                 psz_current_chapter = psz_curr_chapter;
+                if ( psz_curr_chapter->i_seekpoint_num > 0 )
+                {
+                    demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
+                    demux.info.i_title = sys.i_current_title = i_sys_title;
+                    demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
+                }
             }
 
             return true;
@@ -2641,8 +2900,10 @@ bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
             // out of the scope of the data described by chapters, leave the edition
             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
             {
-                if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter ) )
+                if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
                     psz_current_chapter = NULL;
+                else
+                    return true;
             }
         }
     }
@@ -2765,9 +3026,9 @@ std::string chapter_item_c::GetCodecName( bool f_for_title ) const
 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
 {
     std::string result;
-    if ( m_private_data.GetSize() >= 3)
+    if ( p_private_data->GetSize() >= 3)
     {
-        const binary* p_data = m_private_data.GetBuffer();
+        const binary* p_data = p_private_data->GetBuffer();
 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
         {
             uint16_t i_title = (p_data[1] << 8) + p_data[2];
@@ -2803,6 +3064,35 @@ std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
     return result;
 }
 
+int16 chapter_item_c::GetTitleNumber( ) const
+{
+    int result = -1;
+
+    std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
+    while ( index != codecs.end() )
+    {
+        result = (*index)->GetTitleNumber( );
+        if ( result >= 0 )
+            break;
+        index++;
+    }
+
+    return result;
+}
+
+int16 dvd_chapter_codec_c::GetTitleNumber()
+{
+    if ( p_private_data->GetSize() >= 3)
+    {
+        const binary* p_data = p_private_data->GetBuffer();
+        if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
+        {
+            return int16( (p_data[2] << 8) + p_data[3] );
+        }
+    }
+    return -1;
+}
+
 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
 {
     demux_sys_t        *p_sys = p_demux->p_sys;
@@ -2838,7 +3128,7 @@ static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_it
             msg_Dbg( p_demux, "inacurate way of seeking" );
             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
             {
-                if( p_segment->index[i_index].i_position >= i_pos)
+                if( p_segment->p_indexes[i_index].i_position >= i_pos)
                 {
                     break;
                 }
@@ -2848,10 +3138,10 @@ static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_it
                 i_index--;
             }
 
-            i_date = p_segment->index[i_index].i_time;
+            i_date = p_segment->p_indexes[i_index].i_time;
 
 #if 0
-            if( p_segment->index[i_index].i_position < i_pos )
+            if( p_segment->p_indexes[i_index].i_position < i_pos )
             {
                 EbmlElement *el;
 
@@ -2891,46 +3181,52 @@ static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_it
 static int Demux( demux_t *p_demux)
 {
     demux_sys_t        *p_sys = p_demux->p_sys;
+
+    vlc_mutex_lock( &p_sys->lock_demuxer );
+
     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
-    matroska_segment_c *p_segmet = p_vsegment->Segment();
-    if ( p_segmet == NULL ) return 0;
+    matroska_segment_c *p_segment = p_vsegment->Segment();
+    if ( p_segment == NULL ) return 0;
     int                i_block_count = 0;
-
-    KaxBlock *block;
-    int64_t i_block_duration;
-    int64_t i_block_ref1;
-    int64_t i_block_ref2;
+    int                i_return = 0;
 
     for( ;; )
     {
         if ( p_sys->demuxer.b_die )
-            return 0;
+            break;
 
         if( p_sys->i_pts >= p_sys->i_start_pts  )
             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
-                return 1;
+            {
+                i_return = 1;
+                break;
+            }
         
         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
         {
             /* nothing left to read in this ordered edition */
             if ( !p_vsegment->SelectNext() )
-                return 0;
-            p_segmet->UnSelect( );
+                break;
+            p_segment->UnSelect( );
             
             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 
             /* switch to the next segment */
-            p_segmet = p_vsegment->Segment();
-            if ( !p_segmet->Select( 0 ) )
+            p_segment = p_vsegment->Segment();
+            if ( !p_segment->Select( 0 ) )
             {
                 msg_Err( p_demux, "Failed to select new segment" );
-                return 0;
+                break;
             }
             continue;
         }
 
+        KaxBlock *block;
+        int64_t i_block_duration = 0;
+        int64_t i_block_ref1;
+        int64_t i_block_ref2;
 
-        if( p_segmet->BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
+        if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
         {
             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
             {
@@ -2945,38 +3241,72 @@ static int Demux( demux_t *p_demux)
                     p_sys->i_pts = p_chap->i_user_end_time;
                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
 
-                    return 1;
+                    i_return = 1;
                 }
 
-                return 0;
+                break;
             }
-            msg_Warn( p_demux, "cannot get block EOF?" );
-            p_segmet->UnSelect( );
-            
-            es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
-
-            /* switch to the next segment */
-            if ( !p_vsegment->SelectNext() )
-                // no more segments in this stream
-                return 0;
-            p_segmet = p_vsegment->Segment();
-            if ( !p_segmet->Select( 0 ) )
+            else
             {
-                msg_Err( p_demux, "Failed to select new segment" );
-                return 0;
-            }
+                msg_Warn( p_demux, "cannot get block EOF?" );
+                p_segment->UnSelect( );
+                
+                es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 
-            continue;
+                /* switch to the next segment */
+                if ( !p_vsegment->SelectNext() )
+                    // no more segments in this stream
+                    break;
+                p_segment = p_vsegment->Segment();
+                if ( !p_segment->Select( 0 ) )
+                {
+                    msg_Err( p_demux, "Failed to select new segment" );
+                    break;
+                }
+
+                continue;
+            }
         }
 
-        p_sys->i_pts = p_sys->i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
+        p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
 
         if( p_sys->i_pts >= p_sys->i_start_pts  )
         {
             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
+
+            if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
+            {
+                i_return = 1;
+                delete block;
+                break;
+            }
+        }
+        
+        if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
+        {
+            /* nothing left to read in this ordered edition */
+            if ( !p_vsegment->SelectNext() )
+            {
+                delete block;
+                break;
+            }
+            p_segment->UnSelect( );
+            
+            es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
+
+            /* switch to the next segment */
+            p_segment = p_vsegment->Segment();
+            if ( !p_segment->Select( 0 ) )
+            {
+                msg_Err( p_demux, "Failed to select new segment" );
+                delete block;
+                break;
+            }
+            delete block;
+            continue;
         }
 
-        BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration );
+        BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
 
         delete block;
         i_block_count++;
@@ -2984,9 +3314,14 @@ static int Demux( demux_t *p_demux)
         // TODO optimize when there is need to leave or when seeking has been called
         if( i_block_count > 5 )
         {
-            return 1;
+            i_return = 1;
+            break;
         }
     }
+
+    vlc_mutex_unlock( &p_sys->lock_demuxer );
+
+    return i_return;
 }
 
 
@@ -2994,9 +3329,10 @@ static int Demux( demux_t *p_demux)
 /*****************************************************************************
  * Stream managment
  *****************************************************************************/
-vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_ )
+vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
 {
     s = s_;
+    b_owner = b_owner_;
     mb_eof = VLC_FALSE;
 }
 
@@ -3045,6 +3381,8 @@ size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
 }
 uint64 vlc_stream_io_callback::getFilePointer( void )
 {
+    if ( s == NULL )
+        return 0;
     return stream_Tell( s );
 }
 void vlc_stream_io_callback::close( void )
@@ -3089,6 +3427,36 @@ EbmlParser::~EbmlParser( void )
     }
 }
 
+EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
+{
+    if ( mi_user_level > mi_level )
+    {
+        while ( mi_user_level != mi_level )
+        {
+            delete m_el[mi_user_level];
+            m_el[mi_user_level] = NULL;
+            mi_user_level--;
+        }
+    }
+    m_got = NULL;
+    mb_keep = VLC_FALSE;
+    if ( m_el[1]->GetElementPosition() == i_cluster_pos )
+    {
+        m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
+        return (EbmlMaster*) m_el[1];
+    }
+    else
+    {
+        // seek to the previous Cluster
+        m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
+        mi_level--;
+        mi_user_level--;
+        delete m_el[mi_level];
+        m_el[mi_level] = NULL;
+        return NULL;
+    }
+}
+
 void EbmlParser::Up( void )
 {
     if( mi_user_level == mi_level )
@@ -3159,7 +3527,7 @@ EbmlElement *EbmlParser::Get( void )
         mb_keep = VLC_FALSE;
     }
 
-    m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy, 1 );
+    m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
     if( i_ulev > 0 )
     {
@@ -3234,7 +3602,7 @@ void matroska_segment_c::LoadCues( )
     {
         if( MKV_IS_ID( el, KaxCuePoint ) )
         {
-#define idx index[i_index]
+#define idx p_indexes[i_index]
 
             idx.i_track       = -1;
             idx.i_block_number= -1;
@@ -3303,7 +3671,7 @@ void matroska_segment_c::LoadCues( )
             if( i_index >= i_index_max )
             {
                 i_index_max += 1024;
-                index = (mkv_index_t*)realloc( index, sizeof( mkv_index_t ) * i_index_max );
+                p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
             }
 #undef idx
         }
@@ -3656,13 +4024,15 @@ void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
         {
             KaxTrackName &tname = *(KaxTrackName*)l;
 
-            tk->fmt.psz_description = UTF8ToStr( UTFstring( tname ) );
+            tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
         }
         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
         {
             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
 
+            if ( tk->fmt.psz_language != NULL )
+                free( tk->fmt.psz_language );
             tk->fmt.psz_language = strdup( string( lang ).c_str() );
             msg_Dbg( &sys.demuxer,
                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
@@ -3690,7 +4060,7 @@ void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
         {
             KaxCodecName &cname = *(KaxCodecName*)l;
 
-            tk->psz_codec_name = UTF8ToStr( UTFstring( cname ) );
+            tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
         }
         else if( MKV_IS_ID( l, KaxContentEncodings ) )
@@ -3763,7 +4133,7 @@ void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
 //        {
 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
 
-//            tk->psz_codec_settings = UTF8ToStr( UTFstring( cset ) );
+//            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
 //        }
 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
@@ -3800,6 +4170,9 @@ void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
             tk->f_fps = 0.0;
 
+            tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
+            tk->fmt.video.i_frame_rate = 1000000;     
+            
             for( j = 0; j < tkv->ListSize(); j++ )
             {
                 EbmlElement *l = (*tkv)[j];
@@ -3975,21 +4348,24 @@ void matroska_segment_c::ParseInfo( KaxInfo *info )
 
         if( MKV_IS_ID( l, KaxSegmentUID ) )
         {
-            segment_uid = *(new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l)));
+            if ( p_segment_uid == NULL )
+                p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
 
-            msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)segment_uid.GetBuffer() );
+            msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
         }
         else if( MKV_IS_ID( l, KaxPrevUID ) )
         {
-            prev_segment_uid = *(new KaxPrevUID(*static_cast<KaxPrevUID*>(l)));
+            if ( p_prev_segment_uid == NULL )
+                p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
 
-            msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)prev_segment_uid.GetBuffer() );
+            msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
         }
         else if( MKV_IS_ID( l, KaxNextUID ) )
         {
-            next_segment_uid = *(new KaxNextUID(*static_cast<KaxNextUID*>(l)));
+            if ( p_next_segment_uid == NULL )
+                p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
 
-            msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)next_segment_uid.GetBuffer() );
+            msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
         }
         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
         {
@@ -4013,7 +4389,7 @@ void matroska_segment_c::ParseInfo( KaxInfo *info )
         {
             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
 
-            psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
+            psz_muxing_application = ToUTF8( UTFstring( mapp ) );
 
             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
                      psz_muxing_application );
@@ -4022,7 +4398,7 @@ void matroska_segment_c::ParseInfo( KaxInfo *info )
         {
             KaxWritingApp &wapp = *(KaxWritingApp*)l;
 
-            psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
+            psz_writing_application = ToUTF8( UTFstring( wapp ) );
 
             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
                      psz_writing_application );
@@ -4031,7 +4407,7 @@ void matroska_segment_c::ParseInfo( KaxInfo *info )
         {
             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
 
-            psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
+            psz_segment_filename = ToUTF8( UTFstring( sfn ) );
 
             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
                      psz_segment_filename );
@@ -4040,7 +4416,7 @@ void matroska_segment_c::ParseInfo( KaxInfo *info )
         {
             KaxTitle &title = *(KaxTitle*)l;
 
-            psz_title = UTF8ToStr( UTFstring( title ) );
+            psz_title = ToUTF8( UTFstring( title ) );
 
             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
         }
@@ -4048,7 +4424,7 @@ void matroska_segment_c::ParseInfo( KaxInfo *info )
         {
             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
 
-            families.push_back(*uid);
+            families.push_back( new KaxSegmentFamily(*uid) );
 
             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
         }
@@ -4075,7 +4451,7 @@ void matroska_segment_c::ParseInfo( KaxInfo *info )
         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
         {
             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
-            chapter_translation_c translated;
+            chapter_translation_c *p_translate = new chapter_translation_c();
 
             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
             for( j = 0; j < p_trans->ListSize(); j++ )
@@ -4084,19 +4460,19 @@ void matroska_segment_c::ParseInfo( KaxInfo *info )
 
                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
                 {
-                    translated.editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
+                    p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
                 }
                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
                 {
-                    translated.codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
+                    p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
                 }
                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
                 {
-                    translated.translated = *( new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) ) );
+                    p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
                 }
             }
 
-            translations.push_back( translated );
+            translations.push_back( p_translate );
         }
 #endif
         else
@@ -4165,10 +4541,12 @@ void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chap
                     for (k = 0; k < i_level; k++)
                         chapters.psz_name += '+';
                     chapters.psz_name += ' ';
-                    chapters.psz_name += UTF8ToStr( UTFstring( name ) );
+                    char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
+                    chapters.psz_name += psz_tmp_utf8;
                     chapters.b_user_display = true;
 
-                    msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", UTF8ToStr(UTFstring(name)) );
+                    msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
+                    free( psz_tmp_utf8 );
                 }
                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
                 {
@@ -4302,7 +4680,7 @@ void matroska_segment_c::ParseChapters( KaxChapters *chapters )
         stored_editions[i]->RefreshChapters( );
     }
     
-    if ( stored_editions[i_default_edition]->b_ordered )
+    if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
     {
         /* update the duration of the segment according to the sum of all sub chapters */
         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
@@ -4418,7 +4796,7 @@ void matroska_segment_c::InformationCreate( )
 
 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
 {
-#define idx index[i_index]
+#define idx p_indexes[i_index]
     idx.i_track       = -1;
     idx.i_block_number= -1;
     idx.i_position    = cluster->GetElementPosition();
@@ -4429,39 +4807,11 @@ void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
     if( i_index >= i_index_max )
     {
         i_index_max += 1024;
-        index = (mkv_index_t*)realloc( index, sizeof( mkv_index_t ) * i_index_max );
+        p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
     }
 #undef idx
 }
 
-static char * UTF8ToStr( const UTFstring &u )
-{
-    int     i_src;
-    const wchar_t *src;
-    char *dst, *p;
-
-    i_src = u.length();
-    src   = u.c_str();
-
-    p = dst = (char*)malloc( i_src + 1);
-    while( i_src > 0 )
-    {
-        if( *src < 255 )
-        {
-            *p++ = (char)*src;
-        }
-        else
-        {
-            *p++ = '?';
-        }
-        src++;
-        i_src--;
-    }
-    *p++= '\0';
-
-    return dst;
-}
-
 void chapter_edition_c::RefreshChapters( )
 {
     chapter_item_c::RefreshChapters( b_ordered, -1 );
@@ -4502,7 +4852,8 @@ int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_tim
     }
     else
     {
-        std::sort( sub_chapters.begin(), sub_chapters.end() );
+        if ( sub_chapters.begin() != sub_chapters.end() )
+            std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
         i_user_start_time = i_start_time;
         if ( i_end_time != -1 )
             i_user_end_time = i_end_time;
@@ -4529,18 +4880,29 @@ mtime_t chapter_edition_c::Duration() const
     return i_result;
 }
 
-chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode )
+chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
+{
+    if ( !b_ordered )
+        p_current = NULL;
+    bool b_found_current = false;
+    return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
+}
+
+chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
 {
     chapter_item_c *psz_result = NULL;
 
+    if ( p_current == this )
+        b_found = true;
+
     if ( i_user_timecode >= i_user_start_time && 
         ( i_user_timecode < i_user_end_time || 
           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
     {
         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
-        while ( index != sub_chapters.end() && psz_result == NULL )
+        while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
         {
-            psz_result = (*index)->FindTimecode( i_user_timecode );
+            psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
             index++;
         }
         
@@ -4583,7 +4945,7 @@ bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
     {
         for (size_t j=0; j<of_segment.families.size(); j++)
         {
-            if ( families[i] == of_segment.families[j] )
+            if ( *(families[i]) == *(of_segment.families[j]) )
                 return Preload( );
         }
     }
@@ -4647,12 +5009,12 @@ void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
             {
                 sz_name = N_("Segment ");
                 char psz_str[6];
-                sprintf( psz_str, "%d", i );
+                sprintf( psz_str, "%d", (int)i );
                 sz_name += psz_str;
                 p_title->psz_name = strdup( sz_name.c_str() );
             }
 
-            titles.push_back( *p_title );
+            titles.push_back( p_title );
         }
     }
 
@@ -4663,7 +5025,7 @@ bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
 {
     for ( size_t i=0; i< used_segments.size(); i++ )
     {
-        if ( used_segments[i]->FindUID( segment.segment_uid ) )
+        if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
             return true;
     }
     return false;
@@ -4715,17 +5077,39 @@ bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
     return true;
 }
 
+void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
+{
+    // if the segment is not part of the current segment, select the new one
+    if ( &vsegment != p_current_segment )
+    {
+        PreparePlayback( &vsegment );
+    }
+
+    if ( p_chapter != NULL )
+    {
+        if ( !p_chapter->Enter( true ) )
+        {
+            // jump to the location in the found segment
+            vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
+        }
+    }
+    
+}
+
 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
 {
-    EbmlBinary * p_itema = (EbmlBinary *)(&p_item_a->segment_uid);
-    if ( *p_itema == p_item_b->prev_segment_uid )
+    if ( p_item_a == NULL || p_item_b == NULL )
+        return false;
+
+    EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
+    if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
         return true;
 
-    p_itema = (EbmlBinary *)(&p_item_a->next_segment_uid);
-    if ( *p_itema == p_item_b->segment_uid )
+    p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
+    if ( p_item_b->p_segment_uid != NULL && *p_itema == *p_item_b->p_segment_uid )
         return true;
 
-    if ( *p_itema == p_item_b->prev_segment_uid )
+    if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
         return true;
 
     return false;
@@ -4764,7 +5148,7 @@ bool matroska_segment_c::Preload( )
 
             cluster = (KaxCluster*)el;
 
-            i_start_pos = cluster->GetElementPosition();
+            i_cluster_pos = i_start_pos = cluster->GetElementPosition();
             ParseCluster( );
 
             ep->Down();
@@ -4799,7 +5183,7 @@ matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
 {
     for (size_t i=0; i<opened_segments.size(); i++)
     {
-        if ( opened_segments[i]->segment_uid == uid )
+        if ( *opened_segments[i]->p_segment_uid == uid )
             return opened_segments[i];
     }
     return NULL;
@@ -4857,21 +5241,23 @@ size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
     // check if it's not already in here
     for ( i=0; i<linked_segments.size(); i++ )
     {
-        if ( p_segment->segment_uid == linked_segments[i]->segment_uid )
+        if ( linked_segments[i]->p_segment_uid != NULL 
+            && p_segment->p_segment_uid != NULL
+            && *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
             return 0;
     }
 
     // find possible mates
     for ( i=0; i<linked_uids.size(); i++ )
     {
-        if (   p_segment->segment_uid == linked_uids[i] 
-            || p_segment->prev_segment_uid == linked_uids[i] 
-            || p_segment->next_segment_uid == linked_uids[i] )
+        if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
+            || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
+            || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
         {
             linked_segments.push_back( p_segment );
 
-            AppendUID( p_segment->prev_segment_uid );
-            AppendUID( p_segment->next_segment_uid );
+            AppendUID( p_segment->p_prev_segment_uid );
+            AppendUID( p_segment->p_next_segment_uid );
 
             return 1;
         }
@@ -4910,17 +5296,19 @@ void virtual_segment_c::LoadCues( )
     }
 }
 
-void virtual_segment_c::AppendUID( const EbmlBinary UID )
+void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
 {
-    if ( UID.GetBuffer() == NULL )
+    if ( p_UID == NULL )
+        return;
+    if ( p_UID->GetBuffer() == NULL )
         return;
 
     for (size_t i=0; i<linked_uids.size(); i++)
     {
-        if ( UID == linked_uids[i] )
+        if ( *p_UID == linked_uids[i] )
             return;
     }
-    linked_uids.push_back( *(KaxSegmentUID*)(&UID) );
+    linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
 }
 
 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
@@ -4940,7 +5328,7 @@ void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
 
         for( ; i_idx < i_index; i_idx++ )
         {
-            if( index[i_idx].i_time + i_time_offset > i_date )
+            if( p_indexes[i_idx].i_time + i_time_offset > i_date )
             {
                 break;
             }
@@ -4951,8 +5339,8 @@ void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
             i_idx--;
         }
 
-        i_seek_position = index[i_idx].i_position;
-        i_seek_time = index[i_idx].i_time;
+        i_seek_position = p_indexes[i_idx].i_position;
+        i_seek_time = p_indexes[i_idx].i_time;
     }
 
     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
@@ -4983,12 +5371,13 @@ void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
 
     while( i_track_skipping > 0 )
     {
-        if( BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
+        if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
         {
             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
 
             return;
         }
+        ep->Down();
 
         for( i_track = 0; i_track < tracks.size(); i_track++ )
         {
@@ -4998,25 +5387,25 @@ void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
             }
         }
 
-        sys.i_pts = sys.i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
+        sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
 
         if( i_track < tracks.size() )
         {
-            if( sys.i_pts >= sys.i_start_pts )
+           if( sys.i_pts >= sys.i_start_pts )
             {
-                BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
+                cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
                 i_track_skipping = 0;
             }
             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
             {
-                if( i_block_ref1 == -1 && tracks[i_track]->b_search_keyframe )
+                if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
                 {
                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
                     i_track_skipping--;
                 }
                 if( !tracks[i_track]->b_search_keyframe )
                 {
-                    BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
+                    BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
                 }
             } 
         }
@@ -5036,7 +5425,7 @@ void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_
         if ( Edition() && Edition()->b_ordered )
         {
             /* 1st, we need to know in which chapter we are */
-            psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date );
+            psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
         }
     }
 
@@ -5098,13 +5487,13 @@ void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command
             switch ( codec_time )
             {
             case 0:
-                during_cmds.push_back( *p_data );
+                during_cmds.push_back( p_data );
                 break;
             case 1:
-                enter_cmds.push_back( *p_data );
+                enter_cmds.push_back( p_data );
                 break;
             case 2:
-                leave_cmds.push_back( *p_data );
+                leave_cmds.push_back( p_data );
                 break;
             default:
                 delete p_data;
@@ -5161,7 +5550,7 @@ bool chapter_item_c::Leave( bool b_do_subs )
     return f_result;
 }
 
-bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item )
+bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
 {
     chapter_item_c *p_common_parent = p_item;
 
@@ -5196,21 +5585,24 @@ bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item )
         } while ( 1 );
     }
 
-    return Enter( true );
+    if ( b_final_enter )
+        return Enter( true );
+    else
+        return false;
 }
 
 bool dvd_chapter_codec_c::Enter()
 {
     bool f_result = false;
-    std::vector<KaxChapterProcessData>::iterator index = enter_cmds.begin();
+    std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
     while ( index != enter_cmds.end() )
     {
-        if ( (*index).GetSize() )
+        if ( (*index)->GetSize() )
         {
-            binary *p_data = (*index).GetBuffer();
+            binary *p_data = (*index)->GetBuffer();
             size_t i_size = *p_data++;
             // avoid reading too much from the buffer
-            i_size = min( i_size, ((*index).GetSize() - 1) >> 3 );
+            i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
             for ( ; i_size > 0; i_size--, p_data += 8 )
             {
                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
@@ -5225,15 +5617,15 @@ bool dvd_chapter_codec_c::Enter()
 bool dvd_chapter_codec_c::Leave()
 {
     bool f_result = false;
-    std::vector<KaxChapterProcessData>::iterator index = leave_cmds.begin();
+    std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
     while ( index != leave_cmds.end() )
     {
-        if ( (*index).GetSize() )
+        if ( (*index)->GetSize() )
         {
-            binary *p_data = (*index).GetBuffer();
+            binary *p_data = (*index)->GetBuffer();
             size_t i_size = *p_data++;
             // avoid reading too much from the buffer
-            i_size = min( i_size, ((*index).GetSize() - 1) >> 3 );
+            i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
             for ( ; i_size > 0; i_size--, p_data += 8 )
             {
                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
@@ -5251,56 +5643,111 @@ bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_si
     if ( i_size != 8 )
         return false;
 
-    virtual_segment_c *p_segment;
-    chapter_item_c *p_chapter;
+    virtual_segment_c *p_segment = NULL;
+    chapter_item_c *p_chapter = NULL;
     bool f_result = false;
     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
 
     // handle register tests if there are some
     if ( (i_command & 0xF0) != 0 )
     {
-        bool b_test_positive = (i_command & CMD_DVD_IF_NOT) == 0;
+        bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
         uint8 i_test = i_command & 0x70;
         uint16 i_value;
 
+        // see http://dvd.sourceforge.net/dvdinfo/vmi.html
+        uint8  i_cr1;
+        uint16 i_cr2;
+        switch ( i_command >> 12 )
+        {
+        default:
+            i_cr1 = p_command[3];
+            i_cr2 = (p_command[4] << 8) + p_command[5];
+            break;
+        case 3:
+        case 4:
+        case 5:
+            i_cr1 = p_command[6];
+            i_cr2 = p_command[7];
+            b_test_value = false;
+            break;
+        case 6:
+        case 7:
+            if ( ((p_command[1] >> 4) & 0x7) == 0)
+            {
+                i_cr1 = p_command[2];
+                i_cr2 = (p_command[6] << 8) + p_command[7];
+            }
+            else
+            {
+                i_cr1 = p_command[2];
+                i_cr2 = (p_command[6] << 8) + p_command[7];
+            }
+            break;
+        }
+
         if ( b_test_value )
-            i_value = ( p_command[4] << 8 ) + p_command[5];
+            i_value = i_cr2;
         else
-            i_value = GetPRM( p_command[7] );
+            i_value = GetPRM( i_cr2 );
 
         switch ( i_test )
         {
         case CMD_DVD_IF_GPREG_EQUAL:
             // if equals
-            msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
-            if (!( GetPRM( p_command[3] ) == i_value ))
+            msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
+            if (!( GetPRM( i_cr1 ) == i_value ))
             {
-                b_test_positive = !b_test_positive;
+                b_test_positive = false;
+            }
+            break;
+        case CMD_DVD_IF_GPREG_NOT_EQUAL:
+            // if not equals
+            msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
+            if (!( GetPRM( i_cr1 ) != i_value ))
+            {
+                b_test_positive = false;
             }
             break;
         case CMD_DVD_IF_GPREG_INF:
             // if inferior
             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
-            if (!( GetPRM( p_command[3] ) < i_value ))
+            if (!( GetPRM( i_cr1 ) < i_value ))
+            {
+                b_test_positive = false;
+            }
+            break;
+        case CMD_DVD_IF_GPREG_INF_EQUAL:
+            // if inferior or equal
+            msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
+            if (!( GetPRM( i_cr1 ) <= i_value ))
             {
-                b_test_positive = !b_test_positive;
+                b_test_positive = false;
             }
             break;
         case CMD_DVD_IF_GPREG_AND:
             // if logical and
             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
-            if (!( GetPRM( p_command[3] ) & i_value ))
+            if (!( GetPRM( i_cr1 ) & i_value ))
+            {
+                b_test_positive = false;
+            }
+            break;
+        case CMD_DVD_IF_GPREG_SUP:
+            // if superior
+            msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
+            if (!( GetPRM( i_cr1 ) > i_value ))
             {
-                b_test_positive = !b_test_positive;
+                b_test_positive = false;
             }
             break;
         case CMD_DVD_IF_GPREG_SUP_EQUAL:
             // if superior or equal
             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
-            if (!( GetPRM( p_command[3] ) >= i_value ))
+            if (!( GetPRM( i_cr1 ) >= i_value ))
             {
-                b_test_positive = !b_test_positive;
+                b_test_positive = false;
             }
             break;
         }
@@ -5333,18 +5780,9 @@ bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_si
 
             // find in the ChapProcessPrivate matching this Title level
             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
-            if ( p_chapter != NULL )
+            if ( p_segment != NULL )
             {
-                // if the segment is not part of the current segment, select the new one
-                if ( p_segment != sys.p_current_segment )
-                {
-                    sys.PreparePlayback( p_segment );
-                }
-    
-                // jump to the location in the found segment
-                p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, NULL );
-                p_chapter->Enter( true );
-                
+                sys.JumpTo( *p_segment, p_chapter );
                 f_result = true;
             }
 
@@ -5352,64 +5790,201 @@ bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_si
         }
     case CMD_DVD_CALLSS_VTSM1:
         {
-            msg_Dbg( &sys.demuxer, "CallSS VTSM" );
+            msg_Dbg( &sys.demuxer, "CallSS" );
+            binary p_type;
             switch( (p_command[6] & 0xC0) >> 6 ) {
                 case 0:
-                    switch ( p_command[5] )
+                    p_type = p_command[5] & 0x0F;
+                    switch ( p_type )
                     {
                     case 0x00:
-                        msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[5]);
+                        msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
                         break;
-                    case 0x82:
-                        msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[5]);
+                    case 0x02:
+                        msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
                         break;
-                    case 0x83:
-                        msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[5]);
+                    case 0x03:
+                        msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
                         break;
-                    case 0x84:
-                        msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[5]);
+                    case 0x04:
+                        msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
                         break;
-                    case 0x85:
-                        msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[5]);
+                    case 0x05:
+                        msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
                         break;
-                    case 0x86:
-                        msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[5]);
+                    case 0x06:
+                        msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
                         break;
-                    case 0x87:
-                        msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[5]);
+                    case 0x07:
+                        msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
                         break;
                     default:
-                        msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[5]);
+                        msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
                         break;
                     }
-                    p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_command[5], 1, p_segment );
-                    if ( p_chapter != NULL )
+                    p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
+                    if ( p_segment != NULL )
                     {
-                        // if the segment is not part of the current segment, select the new one
-                        if ( p_segment != sys.p_current_segment )
-                        {
-                            sys.PreparePlayback( p_segment );
-                        }
-            
-                        p_chapter->Enter( true );
-                        
-                        // jump to the location in the found segment
-                        p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
+                        sys.JumpTo( *p_segment, p_chapter );
                         f_result = true;
                     }
                 break;
                 case 1:
-                    msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
+                    msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
+                break;
+                case 2:
+                    msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
+                break;
+                case 3:
+                    msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
+                break;
+            }
+            break;
+        }
+    case CMD_DVD_JUMP_SS:
+        {
+            msg_Dbg( &sys.demuxer, "JumpSS");
+            binary p_type;
+            switch( (p_command[5] & 0xC0) >> 6 ) {
+                case 0:
+                    msg_Dbg( &sys.demuxer, "JumpSS FP");
+                break;
+                case 1:
+                    p_type = p_command[5] & 0x0F;
+                    switch ( p_type )
+                    {
+                    case 0x02:
+                        msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
+                        break;
+                    case 0x03:
+                        msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
+                        break;
+                    case 0x04:
+                        msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
+                        break;
+                    case 0x05:
+                        msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
+                        break;
+                    case 0x06:
+                        msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
+                        break;
+                    case 0x07:
+                        msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
+                        break;
+                    default:
+                        msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
+                        break;
+                    }
+                    // find the VMG
+                    p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
+                    if ( p_segment != NULL )
+                    {
+                        p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
+                        if ( p_chapter != NULL )
+                        {
+                            sys.JumpTo( *p_segment, p_chapter );
+                            f_result = true;
+                        }
+                    }
                 break;
                 case 2:
-                    msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
+                    p_type = p_command[5] & 0x0F;
+                    switch ( p_type )
+                    {
+                    case 0x02:
+                        msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
+                        break;
+                    case 0x03:
+                        msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
+                        break;
+                    case 0x04:
+                        msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
+                        break;
+                    case 0x05:
+                        msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
+                        break;
+                    case 0x06:
+                        msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
+                        break;
+                    case 0x07:
+                        msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
+                        break;
+                    default:
+                        msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
+                        break;
+                    }
+
+                    p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
+
+                    if ( p_segment != NULL && p_chapter != NULL )
+                    {
+                        // find the title in the VTS
+                        p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
+                        if ( p_chapter != NULL )
+                        {
+                            // find the specified menu in the VTSM
+                            p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
+                            if ( p_chapter != NULL )
+                            {
+                                sys.JumpTo( *p_segment, p_chapter );
+                                f_result = true;
+                            }
+                        }
+                        else
+                            msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
+                    }
+                    else
+                        msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
                 break;
                 case 3:
-                    msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[3] << 8) + p_command[4], p_command[5]);
+                    msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
                 break;
             }
             break;
         }
+    case CMD_DVD_JUMPVTS_PTT:
+        {
+            uint8 i_title = p_command[5];
+            uint8 i_ptt = p_command[3];
+
+            msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
+
+            // find the current VTS content segment
+            p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
+            if ( p_chapter != NULL )
+            {
+                int16 i_curr_title = p_chapter->GetTitleNumber( );
+                if ( i_curr_title > 0 )
+                {
+                    p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
+
+                    if ( p_segment != NULL && p_chapter != NULL )
+                    {
+                        // find the title in the VTS
+                        p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
+                        if ( p_chapter != NULL )
+                        {
+                            // find the chapter in the title
+                            p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
+                            if ( p_chapter != NULL )
+                            {
+                                sys.JumpTo( *p_segment, p_chapter );
+                                f_result = true;
+                            }
+                        }
+                    else
+                        msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
+                    }
+                    else
+                        msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
+                }
+                else
+                    msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
+            }
+            else
+                msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
+            break;
+        }
     case CMD_DVD_SET_GPRMMD:
         {
             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
@@ -5426,10 +6001,10 @@ bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_si
             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
             if ( p_chapter != NULL )
             {
-                p_chapter->Enter( true );
-                
-                // jump to the location in the found segment
-                sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
+                if ( !p_chapter->Enter( true ) )
+                    // jump to the location in the found segment
+                    sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
+
                 f_result = true;
             }
             break;
@@ -5444,10 +6019,10 @@ bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_si
             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
             if ( p_chapter != NULL )
             {
-                p_chapter->Enter( true );
-                
-                // jump to the location in the found segment
-                sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
+                if ( !p_chapter->Enter( true ) )
+                    // jump to the location in the found segment
+                    sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
+
                 f_result = true;
             }
             break;
@@ -5458,6 +6033,12 @@ bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_si
             // TODO
             break;
         }
+    case CMD_DVD_SET_HL_BTNN1:
+        {
+            msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
+            SetSPRM( 0x88, p_command[4] );
+            break;
+        }
     default:
         {
             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
@@ -5476,15 +6057,56 @@ bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_si
     return f_result;
 }
 
+bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
+{
+    return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
+}
+
+bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
+{
+    if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
+        return false;
+
+    return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
+}
+
+bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
+{
+    if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
+        return false;
+    
+    if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
+        return false;
+
+    uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
+    uint16 i_title = *(uint16*)p_cookie;
+
+    return (i_gtitle == i_title);
+}
+
+bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
+{
+    if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
+        return false;
+    
+    if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
+        return false;
+
+    uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
+    uint8 i_title = *(uint8*)p_cookie;
+
+    return (i_gtitle == i_title);
+}
+
 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
 {
-    if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 4 )
+    if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
         return false;
     
-    if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
+    if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
         return false;
 
-    uint16 i_gtitle = (data.m_private_data.GetBuffer()[1] << 8 ) + data.m_private_data.GetBuffer()[2];
+    uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
     uint8 i_title = *(uint8*)p_cookie;
 
     return (i_gtitle == i_title);
@@ -5492,13 +6114,13 @@ bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &da
 
 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
 {
-    if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 8 )
+    if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
         return false;
     
-    if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
+    if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
         return false;
 
-    uint8 i_pgc_type = data.m_private_data.GetBuffer()[3];
+    uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
     uint8 i_pgc = *(uint8*)p_cookie;
 
     return (i_pgc_type == i_pgc);
@@ -5506,28 +6128,42 @@ bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data,
 
 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
 {
-    if ( i_cookie_size != 2 || data.m_private_data.GetSize() < 8 )
+    if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
         return false;
     
-    if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
+    if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
         return false;
 
     uint16 *i_pgc_n = (uint16 *)p_cookie;
-    uint16 i_pgc_num = (data.m_private_data.GetBuffer()[1] << 8) + data.m_private_data.GetBuffer()[2];
+    uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
 
     return (i_pgc_num == *i_pgc_n);
 }
 
+bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
+{
+    if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
+        return false;
+    
+    if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
+        return false;
+
+    uint8 i_chapter = data.p_private_data->GetBuffer()[1];
+    uint8 i_ptt = *(uint8*)p_cookie;
+
+    return (i_chapter == i_ptt);
+}
+
 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
 {
-    if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 5 )
+    if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
         return false;
     
-    if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
+    if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
         return false;
 
     uint8 *i_cell_n = (uint8 *)p_cookie;
-    uint8 i_cell_num = data.m_private_data.GetBuffer()[3];
+    uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
 
     return (i_cell_num == *i_cell_n);
 }
@@ -5535,13 +6171,13 @@ bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &dat
 bool matroska_script_codec_c::Enter()
 {
     bool f_result = false;
-    std::vector<KaxChapterProcessData>::iterator index = enter_cmds.begin();
+    std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
     while ( index != enter_cmds.end() )
     {
-        if ( (*index).GetSize() )
+        if ( (*index)->GetSize() )
         {
             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
-            f_result |= interpretor.Interpret( (*index).GetBuffer(), (*index).GetSize() );
+            f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
         }
         index++;
     }
@@ -5551,13 +6187,13 @@ bool matroska_script_codec_c::Enter()
 bool matroska_script_codec_c::Leave()
 {
     bool f_result = false;
-    std::vector<KaxChapterProcessData>::iterator index = leave_cmds.begin();
+    std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
     while ( index != leave_cmds.end() )
     {
-        if ( (*index).GetSize() )
+        if ( (*index)->GetSize() )
         {
             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
-            f_result |= interpretor.Interpret( (*index).GetBuffer(), (*index).GetSize() );
+            f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
         }
         index++;
     }
@@ -5579,7 +6215,11 @@ bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t
 
     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
 
+#if defined(__GNUC__) && (__GNUC__ < 3)
+    if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
+#else
     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
+#endif
     {
         size_t i,j;