]> git.sesse.net Git - vlc/blobdiff - modules/demux/mkv.cpp
Removes trailing spaces. Removes tabs.
[vlc] / modules / demux / mkv.cpp
index 8d2ede2dfc554b2cd58b6fb3241218688b0651e0..6a42e2000200a66ab5b280552992f43ad73c0af5 100644 (file)
@@ -25,7 +25,6 @@
 /*****************************************************************************
  * Preamble
  *****************************************************************************/
-#include <stdlib.h>                                      /* malloc(), free() */
 
 #include <vlc/vlc.h>
 
 #   include <time.h>                                               /* time() */
 #endif
 
-#include <vlc/input.h>
 
-#include <codecs.h>                        /* BITMAPINFOHEADER, WAVEFORMATEX */
+#include <vlc_codecs.h>               /* BITMAPINFOHEADER, WAVEFORMATEX */
 #include "iso_lang.h"
 #include "vlc_meta.h"
+#include <vlc_charset.h>
+#include <vlc_input.h>
+#include <vlc_demux.h>
 
 #include <iostream>
 #include <cassert>
@@ -60,6 +61,7 @@
 #include "ebml/StdIOCallback.h"
 
 #include "matroska/KaxAttachments.h"
+#include "matroska/KaxAttached.h"
 #include "matroska/KaxBlock.h"
 #include "matroska/KaxBlockData.h"
 #include "matroska/KaxChapters.h"
@@ -109,7 +111,7 @@ extern "C" {
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 #undef ATTRIBUTE_PACKED
-#undef PRAGMA_PACK_BEGIN 
+#undef PRAGMA_PACK_BEGIN
 #undef PRAGMA_PACK_END
 
 #if defined(__GNUC__)
@@ -149,7 +151,7 @@ typedef struct {
 #ifdef WORDS_BIGENDIAN
   unsigned char zero                           : 7; /* 25-31 */
   unsigned char video_pres_mode_change         : 1; /* 24 */
-  
   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
   unsigned char angle_change                   : 1;
   unsigned char subpic_stream_change           : 1;
@@ -158,7 +160,7 @@ typedef struct {
   unsigned char still_off                      : 1;
   unsigned char button_select_or_activate      : 1;
   unsigned char resume                         : 1; /* 16 */
-  
   unsigned char chapter_menu_call              : 1; /* 15 */
   unsigned char angle_menu_call                : 1;
   unsigned char audio_menu_call                : 1;
@@ -167,7 +169,7 @@ typedef struct {
   unsigned char title_menu_call                : 1;
   unsigned char backward_scan                  : 1;
   unsigned char forward_scan                   : 1; /* 8 */
-  
   unsigned char next_pg_search                 : 1; /* 7 */
   unsigned char prev_or_top_pg_search          : 1;
   unsigned char time_or_chapter_search         : 1;
@@ -179,7 +181,7 @@ typedef struct {
 #else
   unsigned char video_pres_mode_change         : 1; /* 24 */
   unsigned char zero                           : 7; /* 25-31 */
-  
   unsigned char resume                         : 1; /* 16 */
   unsigned char button_select_or_activate      : 1;
   unsigned char still_off                      : 1;
@@ -188,7 +190,7 @@ typedef struct {
   unsigned char subpic_stream_change           : 1;
   unsigned char angle_change                   : 1;
   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
-  
   unsigned char forward_scan                   : 1; /* 8 */
   unsigned char backward_scan                  : 1;
   unsigned char title_menu_call                : 1;
@@ -197,7 +199,7 @@ typedef struct {
   unsigned char audio_menu_call                : 1;
   unsigned char angle_menu_call                : 1;
   unsigned char chapter_menu_call              : 1; /* 15 */
-  
   unsigned char title_or_time_play             : 1; /* 0 */
   unsigned char chapter_search_or_play         : 1;
   unsigned char title_play                     : 1;
@@ -218,7 +220,7 @@ typedef struct {
 #define COMMAND_DATA_SIZE 8
 
 /**
- * PCI General Information 
+ * PCI General Information
  */
 typedef struct {
   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
@@ -239,8 +241,8 @@ typedef struct {
   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 } ATTRIBUTE_PACKED nsml_agli_t;
 
-/** 
- * Highlight General Information 
+/**
+ * Highlight General Information
  *
  * For btngrX_dsp_ty the bits have the following meaning:
  * 000b: normal 4/3 only buttons
@@ -273,7 +275,7 @@ typedef struct {
   unsigned char zero3 : 1;
 #endif
   uint8_t btn_ofn;     /**< button offset number range 0-255 */
-  uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */  
+  uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
   uint8_t zero5;       /**< reserved */
   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
@@ -346,7 +348,7 @@ typedef struct {
 } ATTRIBUTE_PACKED btni_t;
 
 /**
- * Highlight Information 
+ * Highlight Information
  */
 typedef struct {
   hl_gi_t     hl_gi;
@@ -477,7 +479,7 @@ block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 /**
  * Helper function to print the mkv parse tree
  */
-static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
+static void MkvTree( demux_t & demuxer, int i_level, const char *psz_format, ... )
 {
     va_list args;
     if( i_level > 9 )
@@ -486,7 +488,7 @@ static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
         return;
     }
     va_start( args, psz_format );
-    static char *psz_foo = "|   |   |   |   |   |   |   |   |   |";
+    static const char psz_foo[] = "|   |   |   |   |   |   |   |   |   |";
     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
     strncpy( psz_foo2, psz_foo, 4 * i_level );
     psz_foo2[ 4 * i_level ] = '+';
@@ -496,7 +498,7 @@ static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
     free( psz_foo2 );
     va_end( args );
 }
-    
+
 /*****************************************************************************
  * Stream managment
  *****************************************************************************/
@@ -602,11 +604,11 @@ typedef struct
     vlc_bool_t      b_silent;
 
     /* informative */
-    char         *psz_codec_name;
-    char         *psz_codec_settings;
-    char         *psz_codec_info_url;
-    char         *psz_codec_download_url;
-    
+    const char   *psz_codec_name;
+    const char   *psz_codec_settings;
+    const char   *psz_codec_info_url;
+    const char   *psz_codec_download_url;
+
     /* encryption/compression */
     int                    i_compression_type;
     KaxContentCompSettings *p_compression_data;
@@ -642,8 +644,8 @@ public:
     ,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();
@@ -672,7 +674,7 @@ public:
     }
 
     void AddCommand( const KaxChapterProcessCommand & command );
-    
     /// \return wether the codec has seeked in the files or not
     virtual bool Enter() { return false; }
     virtual bool Leave() { return false; }
@@ -706,9 +708,9 @@ public:
         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
     }
-    
     bool Interpret( const binary * p_command, size_t i_size = 8 );
-    
     uint16 GetPRM( size_t index ) const
     {
         if ( index < 256 )
@@ -740,7 +742,7 @@ public:
         }
         return false;
     }
-    
     bool SetGPRM( size_t index, uint16 value )
     {
         if ( index >= 0 && index < 16 )
@@ -797,7 +799,7 @@ protected:
 
     uint16       p_PRMs[256];
     demux_sys_t  & sys;
-    
     // DVD command IDs
 
     // Tests
@@ -810,7 +812,7 @@ protected:
     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;
     static const uint16 CMD_DVD_BREAK                  = 0x0002;
@@ -839,7 +841,7 @@ protected:
     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
-    
     // callbacks when browsing inside CodecPrivate
     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 );
@@ -873,10 +875,10 @@ public:
     {}
 
     bool Interpret( const binary * p_command, size_t i_size );
-    
     // DVD command IDs
     static const std::string CMD_MS_GOTO_AND_PLAY;
-    
 protected:
     demux_sys_t  & sys;
 };
@@ -896,7 +898,7 @@ public:
     bool Leave();
 
 protected:
-    matroska_script_interpretor_c interpretor; 
+    matroska_script_interpretor_c interpretor;
 };
 
 class chapter_translation_c
@@ -952,14 +954,14 @@ public:
     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, 
-                                    bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
-                                    const void *p_cookie, 
+    virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
+                                    bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
+                                    const void *p_cookie,
                                     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 */
     std::vector<chapter_item_c*> sub_chapters;
@@ -970,7 +972,7 @@ public:
     std::string                 psz_name;
     chapter_item_c              *psz_parent;
     bool                        b_is_leaving;
-    
     std::vector<chapter_codec_cmds_c*> codecs;
 
     static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
@@ -989,12 +991,12 @@ public:
     chapter_edition_c()
     :b_ordered(false)
     {}
-    
     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;
 };
 
@@ -1144,7 +1146,7 @@ public:
 
     std::vector<chapter_translation_c*> translations;
     std::vector<KaxSegmentFamily*>  families;
-    
     demux_sys_t                    & sys;
     EbmlParser                     *ep;
     bool                           b_preloaded;
@@ -1152,6 +1154,7 @@ public:
     bool Preload( );
     bool PreloadFamily( const matroska_segment_c & segment );
     void ParseInfo( KaxInfo *info );
+    void ParseAttachments( KaxAttachments *attachments );
     void ParseChapters( KaxChapters *chapters );
     void ParseSeekHead( KaxSeekHead *seekhead );
     void ParseTracks( KaxTracks *tracks );
@@ -1240,9 +1243,9 @@ public:
     bool UpdateCurrentToChapter( demux_t & demux );
     void PrepareChapters( );
 
-    chapter_item_c *BrowseCodecPrivate( unsigned int codec_id, 
-                                        bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
-                                        const void *p_cookie, 
+    chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
+                                        bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
+                                        const void *p_cookie,
                                         size_t i_cookie_size );
     chapter_item_c *FindChapter( int64_t i_find_uid );
 
@@ -1296,6 +1299,25 @@ typedef struct
 
 } event_thread_t;
 
+
+class attachment_c
+{
+public:
+    attachment_c()
+        :p_data(NULL)
+        ,i_size(0)
+    {}
+    virtual ~attachment_c()
+    {
+        if( p_data ) free( p_data );
+    }
+
+    std::string    psz_file_name;
+    std::string    psz_mime_type;
+    void          *p_data;
+    int            i_size;
+};
+
 class demux_sys_t
 {
 public:
@@ -1327,6 +1349,8 @@ public:
             delete opened_segments[i];
         for ( i=0; i<used_segments.size(); i++ )
             delete used_segments[i];
+        for ( i=0; i<stored_attachments.size(); i++ )
+            delete stored_attachments[i];
         if( meta ) vlc_meta_Delete( meta );
 
         while( titles.size() )
@@ -1348,6 +1372,7 @@ public:
     size_t                           i_current_title;
 
     std::vector<matroska_stream_c*>  streams;
+    std::vector<attachment_c*>       stored_attachments;
     std::vector<matroska_segment_c*> opened_segments;
     std::vector<virtual_segment_c*>  used_segments;
     virtual_segment_c                *p_current_segment;
@@ -1358,10 +1383,10 @@ public:
     float                   f_duration;
 
     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
-    chapter_item_c *BrowseCodecPrivate( unsigned int codec_id, 
-                                        bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
-                                        const void *p_cookie, 
-                                        size_t i_cookie_size, 
+    chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
+                                        bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
+                                        const void *p_cookie,
+                                        size_t i_cookie_size,
                                         virtual_segment_c * & p_segment_found );
     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
 
@@ -1418,8 +1443,8 @@ static int Open( vlc_object_t * p_this )
     demux_sys_t        *p_sys;
     matroska_stream_c  *p_stream;
     matroska_segment_c *p_segment;
-    uint8_t            *p_peek;
-    std::string        s_path, s_filename;
+    const uint8_t      *p_peek;
+    std::string         s_path, s_filename;
     vlc_stream_io_callback *p_io_callback;
     EbmlStream         *p_io_stream;
 
@@ -1485,41 +1510,54 @@ static int Open( vlc_object_t * p_this )
             }
             else
             {
-                if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0) 
+                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());
+            DIR *p_src_dir = utf8_opendir(s_path.c_str());
 
             if (p_src_dir != NULL)
             {
-                while ((p_file_item = (dirent *) readdir(p_src_dir)))
+                char *psz_file;
+                while ((psz_file = utf8_readdir(p_src_dir)) != NULL)
                 {
-                    if (strlen(p_file_item->d_name) > 4)
+                    if (strlen(psz_file) > 4)
                     {
-                        s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
+                        s_filename = s_path + DIRECTORY_SEPARATOR + psz_file;
 
 #ifdef WIN32
                         if (!strcasecmp(s_filename.c_str(), p_demux->psz_path))
 #else
                         if (!s_filename.compare(p_demux->psz_path))
 #endif
+                        {
+                            free (psz_file);
                             continue; // don't reuse the original opened file
+                        }
 
 #if defined(__GNUC__) && (__GNUC__ < 3)
-                        if (!s_filename.compare("mkv", 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") || 
+                        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 our family
-                            stream_t *p_file_stream = stream_UrlNew( p_demux, s_filename.c_str());
-                            if ( p_file_stream != NULL )
+                            const uint8_t *p_peek;
+                            bool          file_ok = false;
+                            stream_t      *p_file_stream = stream_UrlNew(
+                                                            p_demux,
+                                                            s_filename.c_str());
+                            /* peek the begining */
+                            if( p_file_stream &&
+                                stream_Peek( p_file_stream, &p_peek, 4 ) >= 4
+                                && p_peek[0] == 0x1a && p_peek[1] == 0x45 &&
+                                p_peek[2] == 0xdf && p_peek[3] == 0xa3 ) file_ok = true;
+
+                            if ( file_ok )
                             {
                                 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);
@@ -1541,10 +1579,14 @@ static int Open( vlc_object_t * p_this )
                             }
                             else
                             {
+                                if( p_file_stream ) {
+                                    stream_Delete( p_file_stream );
+                                }
                                 msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
                             }
                         }
                     }
+                    free (psz_file);
                 }
                 closedir( p_src_dir );
             }
@@ -1562,7 +1604,7 @@ static int Open( vlc_object_t * p_this )
     }
 
     p_sys->StartUiThread();
-    
     return VLC_SUCCESS;
 
 error:
@@ -1593,9 +1635,32 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
     size_t      i_idx;
 
     vlc_meta_t *p_meta;
+    input_attachment_t ***ppp_attach;
+    int *pi_int;
+    int i;
 
     switch( i_query )
     {
+        case DEMUX_GET_ATTACHMENTS:
+            ppp_attach = (input_attachment_t***)va_arg( args, input_attachment_t*** );
+            pi_int = (int*)va_arg( args, int * );
+
+            if( p_sys->stored_attachments.size() <= 0 )
+                return VLC_EGENERIC;
+
+            *pi_int = p_sys->stored_attachments.size();
+            *ppp_attach = (input_attachment_t**)malloc( sizeof(input_attachment_t**) *
+                                                        p_sys->stored_attachments.size() );
+            if( !(*ppp_attach) )
+                return VLC_ENOMEM;
+            for( i = 0; i < p_sys->stored_attachments.size(); i++ )
+            {
+                attachment_c *a = p_sys->stored_attachments[i];
+                (*ppp_attach)[i] = vlc_input_attachment_New( a->psz_file_name.c_str(), a->psz_mime_type.c_str(), NULL,
+                                                             a->p_data, a->i_size );
+            }
+            return VLC_SUCCESS;
+
         case DEMUX_GET_META:
             p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
             vlc_meta_Merge( p_meta, p_sys->meta );
@@ -1854,7 +1919,7 @@ static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem, size_t
 }
 
 #if LIBMATROSKA_VERSION >= 0x000800
-static void BlockDecode( demux_t *p_demux, KaxBlock *block, KaxSimpleBlock *simpleblock, 
+static void BlockDecode( demux_t *p_demux, KaxBlock *block, KaxSimpleBlock *simpleblock,
                          mtime_t i_pts, mtime_t i_duration, bool f_mandatory )
 #else
 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
@@ -1884,12 +1949,12 @@ static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
 
     if( i_track >= p_segment->tracks.size() )
     {
-        msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
+        msg_Err( p_demux, "invalid track number" );
         return;
     }
     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
     {
-        msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
+        msg_Err( p_demux, "unknown track number" );
         return;
     }
     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
@@ -1922,7 +1987,7 @@ static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
 
 
 #if LIBMATROSKA_VERSION >= 0x000800
-    for( i = 0; 
+    for( i = 0;
         (block != NULL && i < block->NumberFrames()) || (simpleblock != NULL && i < simpleblock->NumberFrames());
         i++ )
 #else
@@ -2129,7 +2194,10 @@ matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlS
                 p_stream1->segments.push_back( p_segment1 );
             }
             else
+            {
+                p_segment1->segment = NULL;
                 delete p_segment1;
+            }
         }
         if (p_l0->IsFiniteSize() )
         {
@@ -2194,23 +2262,93 @@ bool matroska_segment_c::Select( mtime_t i_start_time )
         {
             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
         }
+        else if( !strncmp( tracks[i_track]->psz_codec, "V_THEORA", 8 ) )
+        {
+            uint8_t *p_data = tracks[i_track]->p_extra_data;
+            tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'h', 'e', 'o' );
+            if( tracks[i_track]->i_extra_data >= 4 ) {
+                if( p_data[0] == 2 ) {
+                    int i = 1;
+                    int i_size1 = 0, i_size2 = 0;
+                    p_data++;
+                    /* read size of first header packet */
+                    while( *p_data == 0xFF &&
+                           i < tracks[i_track]->i_extra_data )
+                    {
+                        i_size1 += *p_data;
+                        p_data++;
+                        i++;
+                    }
+                    i_size1 += *p_data;
+                    p_data++;
+                    i++;
+                    msg_Dbg( &sys.demuxer, "first theora header size %d", i_size1 );
+                    /* read size of second header packet */
+                    while( *p_data == 0xFF &&
+                           i < tracks[i_track]->i_extra_data )
+                    {
+                        i_size2 += *p_data;
+                        p_data++;
+                        i++;
+                    }
+                    i_size2 += *p_data;
+                    p_data++;
+                    i++;
+                    int i_size3 = tracks[i_track]->i_extra_data - i - i_size1
+                        - i_size2;
+                    msg_Dbg( &sys.demuxer, "second theora header size %d", i_size2 );
+                    msg_Dbg( &sys.demuxer, "third theora header size %d", i_size3 );
+                    tracks[i_track]->fmt.i_extra = i_size1 + i_size2 + i_size3
+                        + 6;
+                    if( i_size1 > 0 && i_size2 > 0 && i_size3 > 0  ) {
+                        tracks[i_track]->fmt.p_extra =
+                            malloc( tracks[i_track]->fmt.i_extra );
+                        uint8_t *p_out = (uint8_t*)tracks[i_track]->fmt.p_extra;
+                        *p_out++ = (i_size1>>8) & 0xFF;
+                        *p_out++ = i_size1 & 0xFF;
+                        memcpy( p_out, p_data, i_size1 );
+                        p_data += i_size1;
+                        p_out += i_size1;
+                        *p_out++ = (i_size2>>8) & 0xFF;
+                        *p_out++ = i_size2 & 0xFF;
+                        memcpy( p_out, p_data, i_size2 );
+                        p_data += i_size2;
+                        p_out += i_size2;
+
+                        *p_out++ = (i_size3>>8) & 0xFF;
+                        *p_out++ = i_size3 & 0xFF;
+                        memcpy( p_out, p_data, i_size3 );
+                        p_data += i_size3;
+                        p_out += i_size3;
+                    }
+                    else
+                    {
+                        msg_Err( &sys.demuxer, "inconsistant theora extradata" );
+                    }
+                }
+                else {
+                    msg_Err( &sys.demuxer, "Wrong number of ogg packets with theora headers (%d)", p_data[0] + 1 );
+                }
+            }
+        }
         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
         {
             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
             {
                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
             }
-            else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
+            else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO", 11 ) )
             {
-                tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
+                /* A MPEG 4 codec, SP, ASP, AP or AVC */
+                if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
+                    tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
+                else
+                    tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
                 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 );
             }
-            else
-            {
-                tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
-            }
         }
         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
         {
@@ -2383,6 +2521,20 @@ bool matroska_segment_c::Select( mtime_t i_start_time )
             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 );
         }
+        else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
+        {
+            tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'W', 'V', 'P', 'K' );
+            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 );
+        }
+        else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
+        {
+            tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'T', 'T', 'A', '1' );
+            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 );
+        }
         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
@@ -2397,23 +2549,22 @@ bool matroska_segment_c::Select( mtime_t i_start_time )
             }
             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
         }
-        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]", (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]", (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" ) )
         {
             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
         }
+        else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/USF" ) )
+        {
+            tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 's', 'f', ' ' );
+            tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
+            if( tracks[i_track]->i_extra_data )
+            {
+                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 );
+            }
+        }
         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
@@ -2421,7 +2572,7 @@ bool matroska_segment_c::Select( mtime_t i_start_time )
         {
             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
-            if( tracks[i_track]->i_extra_data ) 
+            if( tracks[i_track]->i_extra_data )
             {
                 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 );
@@ -2437,7 +2588,7 @@ bool matroska_segment_c::Select( mtime_t i_start_time )
                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
                 p_buf[tracks[i_track]->i_extra_data] = '\0';
-                
                 p_start = strstr( p_buf, "size:" );
                 if( sscanf( p_start, "size: %dx%d",
                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
@@ -2468,9 +2619,21 @@ bool matroska_segment_c::Select( mtime_t i_start_time )
 
         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
 
+        /* Turn on a subtitles track if it has been flagged as default -
+         * but only do this if no subtitles track has already been engaged,
+         * either by an earlier 'default track' (??) or by default
+         * language choice behaviour.
+         */
+        if( tracks[i_track]->b_default )
+        {
+            es_out_Control( sys.demuxer.out,
+                            ES_OUT_SET_DEFAULT,
+                            tracks[i_track]->p_es );
+        }
+
         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
     }
-    
     sys.i_start_pts = i_start_time;
     // reset the stream reading to the first cluster of the segment used
     es.I_O().setFilePointer( i_start_pos );
@@ -2513,8 +2676,7 @@ void demux_sys_t::StopUiThread()
 {
     if ( b_ui_hooked )
     {
-        p_ev->b_die = VLC_TRUE;
-
+        vlc_object_kill( p_ev );
         vlc_thread_join( p_ev );
         vlc_object_destroy( p_ev );
 
@@ -2576,7 +2738,7 @@ int demux_sys_t::EventThread( vlc_object_t *p_this )
     p_ev->b_key     = VLC_FALSE;
 
     /* catch all key event */
-    var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
+    var_AddCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
 
     /* main loop */
     while( !p_ev->b_die )
@@ -2594,7 +2756,7 @@ int demux_sys_t::EventThread( vlc_object_t *p_this )
         if( p_ev->b_key )
         {
             vlc_value_t valk;
-            struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
+            struct libvlc_int_t::hotkey *p_hotkeys = p_ev->p_libvlc->p_hotkeys;
             int i, i_action = -1;
 
             msg_Dbg( p_ev->p_demux, "Handle Key Event");
@@ -2603,7 +2765,7 @@ int demux_sys_t::EventThread( vlc_object_t *p_this )
 
             pci_t *pci = (pci_t *) &p_sys->pci_packet;
 
-            var_Get( p_ev->p_vlc, "key-pressed", &valk );
+            var_Get( p_ev->p_libvlc, "key-pressed", &valk );
             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
             {
                 if( p_hotkeys[i].i_key == valk.i_int )
@@ -2710,7 +2872,7 @@ int demux_sys_t::EventThread( vlc_object_t *p_this )
                 break;
             case ACTIONID_NAV_ACTIVATE:
                 b_activated = VLC_TRUE;
-        
                 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];
@@ -2754,14 +2916,14 @@ int demux_sys_t::EventThread( vlc_object_t *p_this )
                 // get current button
                 best = 0;
                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
-                for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++) 
+                for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
                 {
                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
 
                     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)) 
+                     && ((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;
@@ -2878,7 +3040,7 @@ int demux_sys_t::EventThread( vlc_object_t *p_this )
         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
         vlc_object_release( p_vout );
     }
-    var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
+    var_DelCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
 
     vlc_mutex_destroy( &p_ev->lock );
 
@@ -2996,7 +3158,7 @@ bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
                 }
             }
-            
             if ( !b_has_seeked )
             {
                 psz_current_chapter = psz_curr_chapter;
@@ -3025,9 +3187,9 @@ bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
     return false;
 }
 
-chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id, 
-                                    bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
-                                    const void *p_cookie, 
+chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
+                                    bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
+                                    const void *p_cookie,
                                     size_t i_cookie_size )
 {
     // FIXME don't assume it is the first edition
@@ -3054,9 +3216,9 @@ chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
     return NULL;
 }
 
-chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id, 
-                                    bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
-                                    const void *p_cookie, 
+chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
+                                    bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
+                                    const void *p_cookie,
                                     size_t i_cookie_size )
 {
     // this chapter
@@ -3067,7 +3229,7 @@ chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
             return this;
         index++;
     }
-    
     // sub-chapters
     chapter_item_c *p_result = NULL;
     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
@@ -3078,7 +3240,7 @@ chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
             return p_result;
         index2++;
     }
-    
     return p_result;
 }
 
@@ -3316,14 +3478,14 @@ static int Demux( demux_t *p_demux)
                 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() )
                 break;
             p_segment->UnSelect( );
-            
             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 
             /* switch to the next segment */
@@ -3371,7 +3533,7 @@ static int Demux( demux_t *p_demux)
             {
                 msg_Warn( p_demux, "cannot get block EOF?" );
                 p_segment->UnSelect( );
-                
                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 
                 /* switch to the next segment */
@@ -3407,7 +3569,7 @@ static int Demux( demux_t *p_demux)
                 break;
             }
         }
-        
         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
         {
             /* nothing left to read in this ordered edition */
@@ -3417,7 +3579,7 @@ static int Demux( demux_t *p_demux)
                 break;
             }
             p_segment->UnSelect( );
-            
             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 
             /* switch to the next segment */
@@ -4052,7 +4214,7 @@ void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
     tk->psz_codec_settings = NULL;
     tk->psz_codec_info_url = NULL;
     tk->psz_codec_download_url = NULL;
-    
     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
     tk->p_compression_data = NULL;
 
@@ -4075,7 +4237,7 @@ void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
         }
         else  if( MKV_IS_ID( l, KaxTrackType ) )
         {
-            char *psz_type;
+            const char *psz_type;
             KaxTrackType &ttype = *(KaxTrackType*)l;
 
             switch( uint8(ttype) )
@@ -4240,7 +4402,7 @@ void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
                                     tk->i_compression_type = uint32( compalg );
-                                    if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) && 
+                                    if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) &&
                                          ( tk->i_compression_type != MATROSKA_COMPRESSION_HEADER ) )
                                     {
                                         msg_Err( &sys.demuxer, "Track Compression method %d not supported", tk->i_compression_type );
@@ -4257,20 +4419,17 @@ void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
                                 }
                             }
                         }
-
                         else
                         {
                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
                         }
                     }
-                    
                 }
                 else
                 {
                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
                 }
             }
-                
         }
 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
 //        {
@@ -4309,13 +4468,15 @@ void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
         {
             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
             unsigned int j;
+            unsigned int i_crop_right = 0, i_crop_left = 0, i_crop_top = 0, i_crop_bottom = 0;
+            unsigned int i_display_unit = 0, i_display_width = 0, i_display_height = 0;
 
             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];
@@ -4350,44 +4511,42 @@ void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
                 {
                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
 
-                    tk->fmt.video.i_visible_width = uint16( vwidth );
+                    i_display_width = uint16( vwidth );
                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
                 }
                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
                 {
                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
 
-                    tk->fmt.video.i_visible_height = uint16( vheight );
+                    i_display_height = uint16( vheight );
                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
                 }
                 else if( MKV_IS_ID( l, KaxVideoPixelCropBottom ) )
                 {
                     KaxVideoPixelCropBottom &cropval = *(KaxVideoPixelCropBottom*)l;
 
-                    tk->fmt.video.i_height -= uint16( cropval );
+                    i_crop_bottom = uint16( cropval );
                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel bottom=%d", uint16( cropval ) );
                 }
                 else if( MKV_IS_ID( l, KaxVideoPixelCropTop ) )
                 {
                     KaxVideoPixelCropTop &cropval = *(KaxVideoPixelCropTop*)l;
 
-                    tk->fmt.video.i_height -= uint16( cropval );
-                    tk->fmt.video.i_y_offset += uint16( cropval );
+                    i_crop_top = uint16( cropval );
                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel top=%d", uint16( cropval ) );
                 }
                 else if( MKV_IS_ID( l, KaxVideoPixelCropRight ) )
                 {
                     KaxVideoPixelCropRight &cropval = *(KaxVideoPixelCropRight*)l;
 
-                    tk->fmt.video.i_width -= uint16( cropval );
+                    i_crop_right = uint16( cropval );
                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel right=%d", uint16( cropval ) );
                 }
                 else if( MKV_IS_ID( l, KaxVideoPixelCropLeft ) )
                 {
                     KaxVideoPixelCropLeft &cropval = *(KaxVideoPixelCropLeft*)l;
 
-                    tk->fmt.video.i_width -= uint16( cropval );
-                    tk->fmt.video.i_x_offset += uint16( cropval );
+                    i_crop_left = uint16( cropval );
                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel left=%d", uint16( cropval ) );
                 }
                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
@@ -4397,13 +4556,14 @@ void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
                     tk->f_fps = float( vfps );
                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
                 }
-//                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
-//                {
-//                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
+                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
+                {
+                    KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
 
-//                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
-//                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
-//                }
+                    i_display_unit = uint8( vdmode );
+                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
+                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
+                }
 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
 //                {
 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
@@ -4414,15 +4574,26 @@ void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
 //                {
 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
 
-//                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
+//                    msg_Dbg( &sys.demuxer, "   |   |   |   + gamma=%f", float( gamma ) );
 //                }
                 else
                 {
                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
                 }
             }
-            if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
-                tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
+            if( i_display_height && i_display_width )
+                tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * i_display_width / i_display_height;
+            if( i_crop_left || i_crop_right || i_crop_top || i_crop_bottom )
+            {
+                tk->fmt.video.i_visible_width = tk->fmt.video.i_width;
+                tk->fmt.video.i_visible_height = tk->fmt.video.i_height;
+                tk->fmt.video.i_x_offset = i_crop_left;
+                tk->fmt.video.i_y_offset = i_crop_top;
+                tk->fmt.video.i_visible_width -= i_crop_left + i_crop_right;
+                tk->fmt.video.i_visible_height -= i_crop_top + i_crop_bottom;
+            }
+            /* FIXME: i_display_* allows you to not only set DAR, but also a zoom factor.
+               we do not support this atm */
         }
         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
         {
@@ -4805,6 +4976,48 @@ void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chap
     }
 }
 
+/*****************************************************************************
+ * ParseAttachments:
+ *****************************************************************************/
+void matroska_segment_c::ParseAttachments( KaxAttachments *attachments )
+{
+    EbmlElement *el;
+    int i_upper_level = 0;
+
+    attachments->Read( es, attachments->Generic().Context, i_upper_level, el, true );
+
+    KaxAttached *attachedFile = FindChild<KaxAttached>( *attachments );
+
+    while( attachedFile && ( attachedFile->GetSize() > 0 ) )
+    {
+        std::string psz_mime_type  = GetChild<KaxMimeType>( *attachedFile );
+        KaxFileName  &file_name    = GetChild<KaxFileName>( *attachedFile );
+        KaxFileData  &img_data     = GetChild<KaxFileData>( *attachedFile );
+
+        attachment_c *new_attachment = new attachment_c();
+
+        if( new_attachment )
+        {
+            new_attachment->psz_file_name  = ToUTF8( UTFstring( file_name ) );
+            new_attachment->psz_mime_type  = psz_mime_type;
+            new_attachment->i_size         = img_data.GetSize();
+            new_attachment->p_data         = malloc( img_data.GetSize() );
+
+            if( new_attachment->p_data )
+            {
+                memcpy( new_attachment->p_data, img_data.GetBuffer(), img_data.GetSize() );
+                sys.stored_attachments.push_back( new_attachment );
+            }
+            else
+            {
+                delete new_attachment;
+            }
+        }
+
+        attachedFile = &GetNextChild<KaxAttached>( *attachments, *attachedFile );
+    }
+}
+
 /*****************************************************************************
  * ParseChapters:
  *****************************************************************************/
@@ -4825,7 +5038,7 @@ void matroska_segment_c::ParseChapters( KaxChapters *chapters )
         if( MKV_IS_ID( l, KaxEditionEntry ) )
         {
             chapter_edition_c *p_edition = new chapter_edition_c();
-            
             EbmlMaster *E = static_cast<EbmlMaster *>(l );
             size_t j;
             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
@@ -4869,7 +5082,7 @@ void matroska_segment_c::ParseChapters( KaxChapters *chapters )
     {
         stored_editions[i]->RefreshChapters( );
     }
-    
     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 */
@@ -4987,7 +5200,7 @@ void chapter_edition_c::RefreshChapters( )
 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
 {
     int64_t i_user_time = i_prev_user_time;
-    
     // first the sub-chapters, and then ourself
     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
     while ( index != sub_chapters.end() )
@@ -5035,14 +5248,14 @@ int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_tim
 mtime_t chapter_edition_c::Duration() const
 {
     mtime_t i_result = 0;
-    
     if ( sub_chapters.size() )
     {
         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
         index--;
         i_result = (*index)->i_user_end_time;
     }
-    
     return i_result;
 }
 
@@ -5061,8 +5274,8 @@ chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const cha
     if ( p_current == this )
         b_found = true;
 
-    if ( i_user_timecode >= i_user_start_time && 
-        ( i_user_timecode < i_user_end_time || 
+    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();
@@ -5071,7 +5284,7 @@ chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const cha
             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
             index++;
         }
-        
         if ( psz_result == NULL )
             psz_result = this;
     }
@@ -5126,7 +5339,7 @@ void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
     virtual_segment_c *p_seg;
 
     p_current_segment = VirtualFromSegments( p_segment );
-    
     used_segments.push_back( p_current_segment );
 
     // create all the other virtual segments of the family
@@ -5259,7 +5472,7 @@ void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapt
             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 )
@@ -5275,6 +5488,9 @@ bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a
         return true;
 
     p_tmp = (EbmlBinary *)p_item_a->p_next_segment_uid;
+    if ( !p_tmp )
+        return false;
     if ( p_item_b->p_segment_uid != NULL
           && *p_tmp == *p_item_b->p_segment_uid )
         return true;
@@ -5333,7 +5549,8 @@ bool matroska_segment_c::Preload( )
         }
         else if( MKV_IS_ID( el, KaxAttachments ) )
         {
-            msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
+            msg_Dbg( &sys.demuxer, "|   + Attachments" );
+            ParseAttachments( static_cast<KaxAttachments*>( el ) );
         }
         else if( MKV_IS_ID( el, KaxChapters ) )
         {
@@ -5365,10 +5582,10 @@ matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
     return NULL;
 }
 
-chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id, 
-                                        bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
-                                        const void *p_cookie, 
-                                        size_t i_cookie_size, 
+chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
+                                        bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
+                                        const void *p_cookie,
+                                        size_t i_cookie_size,
                                         virtual_segment_c * &p_segment_found )
 {
     chapter_item_c *p_result = NULL;
@@ -5417,7 +5634,7 @@ 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 ( linked_segments[i]->p_segment_uid != NULL 
+        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;
@@ -5564,13 +5781,23 @@ void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
 
         for( i_track = 0; i_track < tracks.size(); i_track++ )
         {
+#if LIBMATROSKA_VERSION >= 0x000800
+            if( (simpleblock && tracks[i_track]->i_number == simpleblock->TrackNum()) ||
+                (block && tracks[i_track]->i_number == block->TrackNum()) )
+#else
             if( tracks[i_track]->i_number == block->TrackNum() )
+#endif
             {
                 break;
             }
         }
 
-        sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
+#if LIBMATROSKA_VERSION >= 0x000800
+        if( simpleblock )
+            sys.i_pts = (sys.i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
+        else
+#endif
+            sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
 
         if( i_track < tracks.size() )
         {
@@ -5594,7 +5821,7 @@ void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
 #endif
                 }
-            } 
+            }
         }
 
         delete block;
@@ -5942,10 +6169,10 @@ bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_si
         if ( !b_test_positive )
             return false;
     }
-    
     // strip the test command
     i_command &= 0xFF0F;
-    
     switch ( i_command )
     {
     case CMD_DVD_NOP:
@@ -6175,7 +6402,7 @@ bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_si
     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]);
-            
             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
             break;
@@ -6183,7 +6410,7 @@ bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_si
     case CMD_DVD_LINKPGCN:
         {
             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
-            
             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
             if ( p_chapter != NULL )
@@ -6199,7 +6426,7 @@ bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_si
     case CMD_DVD_LINKCN:
         {
             uint8 i_cn = p_command[7];
-            
             p_chapter = sys.p_current_segment->CurrentChapter();
 
             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
@@ -6261,7 +6488,7 @@ bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data
 {
     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;
 
@@ -6275,7 +6502,7 @@ bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &dat
 {
     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;
 
@@ -6289,7 +6516,7 @@ bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &da
 {
     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_TT )
         return false;
 
@@ -6303,7 +6530,7 @@ bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data,
 {
     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
         return false;
-    
     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
         return false;
 
@@ -6317,7 +6544,7 @@ bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data
 {
     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
         return false;
-    
     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
         return false;
 
@@ -6331,7 +6558,7 @@ bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &
 {
     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;
 
@@ -6345,7 +6572,7 @@ bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &dat
 {
     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
         return false;
-    
     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
         return false;
 
@@ -6387,7 +6614,7 @@ bool matroska_script_codec_c::Leave()
     return f_result;
 }
 
-// see http://www.matroska.org/technical/specs/chapters/index.html#mscript 
+// see http://www.matroska.org/technical/specs/chapters/index.html#mscript
 //  for a description of existing commands
 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
 {