]> git.sesse.net Git - vlc/blobdiff - modules/demux/mp4/mp4.c
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[vlc] / modules / demux / mp4 / mp4.c
index be2b371c78e8bcbd3a58c288946f32a783d86f4b..c988aedb08f4918acd0c356070010f6927e45986 100644 (file)
@@ -1,8 +1,8 @@
 /*****************************************************************************
  * mp4.c : MP4 file input module for vlc
  *****************************************************************************
- * Copyright (C) 2001 VideoLAN
- * $Id: mp4.c,v 1.50 2004/01/09 04:37:43 jlj Exp $
+ * Copyright (C) 2001-2004 VideoLAN
+ * $Id$
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
  *
  * This program is free software; you can redistribute it and/or modify
 #include <vlc/vlc.h>
 #include <vlc/input.h>
 #include <vlc_playlist.h>
+#include "iso_lang.h"
+#include "vlc_meta.h"
 
 #include "libmp4.h"
-#include "mp4.h"
 #include "drms.h"
 
+#ifdef UNDER_CE
+#define uint64_t int64_t
+#endif
+
 /*****************************************************************************
  * Module descriptor
  *****************************************************************************/
@@ -40,46 +45,187 @@ static int  Open ( vlc_object_t * );
 static void Close( vlc_object_t * );
 
 vlc_module_begin();
-    set_description( _("MP4 demuxer") );
-    set_capability( "demux", 242 );
+    set_category( CAT_INPUT );
+    set_subcategory( SUBCAT_INPUT_DEMUX );
+    set_description( _("MP4 stream demuxer") );
+    set_capability( "demux2", 242 );
     set_callbacks( Open, Close );
 vlc_module_end();
 
 /*****************************************************************************
  * Local prototypes
  *****************************************************************************/
-static int    Demux   ( input_thread_t * );
-static int    DemuxRef( input_thread_t *p_input )
+static int   Demux   ( demux_t * );
+static int   DemuxRef( demux_t *p_demux ){ return 0;}
+static int   Seek    ( demux_t *, mtime_t );
+static int   Control ( demux_t *, int, va_list );
+
+/* Contain all information about a chunk */
+typedef struct
 {
-    return 0;
-}
-static int   Seek     ( input_thread_t *, mtime_t );
-static int   Control  ( input_thread_t *, int, va_list );
+    uint64_t     i_offset; /* absolute position of this chunk in the file */
+    uint32_t     i_sample_description_index; /* index for SampleEntry to use */
+    uint32_t     i_sample_count; /* how many samples in this chunk */
+    uint32_t     i_sample_first; /* index of the first sample in this chunk */
+
+    /* now provide way to calculate pts, dts, and offset without to
+        much memory and with fast acces */
+
+    /* with this we can calculate dts/pts without waste memory */
+    uint64_t     i_first_dts;
+    uint32_t     *p_sample_count_dts;
+    uint32_t     *p_sample_delta_dts; /* dts delta */
+
+    /* TODO if needed add pts
+        but quickly *add* support for edts and seeking */
+
+} mp4_chunk_t;
+
+ /* Contain all needed information for read all track with vlc */
+typedef struct
+{
+    int i_track_ID;     /* this should be unique */
+
+    int b_ok;           /* The track is usable */
+    int b_enable;       /* is the trak enable by default */
+    vlc_bool_t b_selected;     /* is the trak being played */
+
+    es_format_t fmt;
+    es_out_id_t *p_es;
+
+    /* display size only ! */
+    int i_width;
+    int i_height;
+
+    /* more internal data */
+    uint64_t        i_timescale;    /* time scale for this track only */
+
+    /* elst */
+    int             i_elst;         /* current elst */
+    int64_t         i_elst_time;    /* current elst start time (in movie time scale)*/
+    MP4_Box_t       *p_elst;        /* elst (could be NULL) */
+
+    /* give the next sample to read, i_chunk is to find quickly where
+      the sample is located */
+    uint32_t         i_sample;       /* next sample to read */
+    uint32_t         i_chunk;        /* chunk where next sample is stored */
+    /* total count of chunk and sample */
+    uint32_t         i_chunk_count;
+    uint32_t         i_sample_count;
+
+    mp4_chunk_t    *chunk; /* always defined  for each chunk */
+
+    /* sample size, p_sample_size defined only if i_sample_size == 0
+        else i_sample_size is size for all sample */
+    uint32_t         i_sample_size;
+    uint32_t         *p_sample_size; /* XXX perhaps add file offset if take
+                                    too much time to do sumations each time*/
+
+    MP4_Box_t *p_stbl;  /* will contain all timing information */
+    MP4_Box_t *p_stsd;  /* will contain all data to initialize decoder */
+    MP4_Box_t *p_sample;/* point on actual sdsd */
+
+    vlc_bool_t b_drms;
+    void      *p_drms;
+
+} mp4_track_t;
+
+
+struct demux_sys_t
+{
+    MP4_Box_t    *p_root;      /* container for the whole file */
+
+    mtime_t      i_pcr;
+
+    uint64_t     i_time;        /* time position of the presentation
+                                 * in movie timescale */
+    uint64_t     i_timescale;   /* movie time scale */
+    uint64_t     i_duration;    /* movie duration */
+    unsigned int i_tracks;      /* number of tracks */
+    mp4_track_t *track;    /* array of track */
+};
 
 /*****************************************************************************
  * Declaration of local function
  *****************************************************************************/
-static void MP4_TrackCreate ( input_thread_t *, track_data_mp4_t *, MP4_Box_t  *);
-static void MP4_TrackDestroy( input_thread_t *, track_data_mp4_t * );
+static void MP4_TrackCreate ( demux_t *, mp4_track_t *, MP4_Box_t  *);
+static void MP4_TrackDestroy( demux_t *, mp4_track_t * );
+
+static int  MP4_TrackSelect ( demux_t *, mp4_track_t *, mtime_t );
+static void MP4_TrackUnselect(demux_t *, mp4_track_t * );
 
-static int  MP4_TrackSelect ( input_thread_t *, track_data_mp4_t *, mtime_t );
-static void MP4_TrackUnselect(input_thread_t *, track_data_mp4_t * );
+static int  MP4_TrackSeek   ( demux_t *, mp4_track_t *, mtime_t );
 
-static int  MP4_TrackSeek   ( input_thread_t *, track_data_mp4_t *, mtime_t );
+static uint64_t MP4_TrackGetPos    ( mp4_track_t * );
+static int      MP4_TrackSampleSize( mp4_track_t * );
+static int      MP4_TrackNextSample( demux_t *, mp4_track_t * );
+static void     MP4_TrackSetELST( demux_t *, mp4_track_t *, int64_t );
 
-static uint64_t MP4_GetTrackPos    ( track_data_mp4_t * );
-static int      MP4_TrackSampleSize( track_data_mp4_t * );
-static int      MP4_TrackNextSample( input_thread_t *, track_data_mp4_t * );
+/* Return time in µs of a track */
+static inline int64_t MP4_TrackGetPTS( demux_t *p_demux, mp4_track_t *p_track )
+{
+#define chunk p_track->chunk[p_track->i_chunk]
 
-#define FREE( p ) \
-    if( p ) { free( p ); (p) = NULL;}
+    unsigned int i_index = 0;
+    unsigned int i_sample = p_track->i_sample - chunk.i_sample_first;
+    int64_t i_dts = chunk.i_first_dts;
+
+    while( i_sample > 0 )
+    {
+        if( i_sample > chunk.p_sample_count_dts[i_index] )
+        {
+            i_dts += chunk.p_sample_count_dts[i_index] *
+                chunk.p_sample_delta_dts[i_index];
+            i_sample -= chunk.p_sample_count_dts[i_index];
+            i_index++;
+        }
+        else
+        {
+            i_dts += i_sample * chunk.p_sample_delta_dts[i_index];
+            i_sample = 0;
+            break;
+        }
+    }
+
+#undef chunk
+
+    /* now handle elst */
+    if( p_track->p_elst )
+    {
+        demux_sys_t         *p_sys = p_demux->p_sys;
+        MP4_Box_data_elst_t *elst = p_track->p_elst->data.p_elst;
+
+        /* convert to offset */
+        if( ( elst->i_media_rate_integer[p_track->i_elst] > 0 ||
+              elst->i_media_rate_fraction[p_track->i_elst] > 0 ) &&
+            elst->i_media_time[p_track->i_elst] > 0 )
+        {
+            i_dts -= elst->i_media_time[p_track->i_elst];
+        }
+
+        /* add i_elst_time */
+        i_dts += p_track->i_elst_time * p_track->i_timescale /
+            p_sys->i_timescale;
+
+        if( i_dts < 0 ) i_dts = 0;
+    }
+
+    return I64C(1000000) * i_dts / p_track->i_timescale;
+}
+
+static inline int64_t MP4_GetMoviePTS(demux_sys_t *p_sys )
+{
+    return I64C(1000000) * p_sys->i_time / p_sys->i_timescale;
+}
+
+#define FREE( p ) if( p ) { free( p ); (p) = NULL;}
 
 /*****************************************************************************
  * Open: check file and initializes MP4 structures
  *****************************************************************************/
 static int Open( vlc_object_t * p_this )
 {
-    input_thread_t  *p_input = (input_thread_t *)p_this;
+    demux_t  *p_demux = (demux_t *)p_this;
     demux_sys_t     *p_sys;
 
     uint8_t         *p_peek;
@@ -93,9 +239,9 @@ static int Open( vlc_object_t * p_this )
     vlc_bool_t      b_seekable;
 
     /* a little test to see if it could be a mp4 */
-    if( stream_Peek( p_input->s, &p_peek, 8 ) < 8 )
+    if( stream_Peek( p_demux->s, &p_peek, 8 ) < 8 )
     {
-        msg_Warn( p_input, "MP4 plugin discarded (cannot peek)" );
+        msg_Warn( p_demux, "MP4 plugin discarded (cannot peek)" );
         return VLC_EGENERIC;
     }
     switch( VLC_FOURCC( p_peek[4], p_peek[5], p_peek[6], p_peek[7] ) )
@@ -109,48 +255,49 @@ static int Open( vlc_object_t * p_this )
         case FOURCC_free:
         case FOURCC_skip:
         case FOURCC_wide:
+        case VLC_FOURCC( 'p', 'n', 'o', 't' ):
             break;
          default:
-            msg_Warn( p_input, "MP4 plugin discarded (not a valid file)" );
+            msg_Warn( p_demux, "MP4 plugin discarded (not a valid file)" );
             return VLC_EGENERIC;
     }
 
     /* I need to seek */
-    stream_Control( p_input->s, STREAM_CAN_SEEK, &b_seekable );
+    stream_Control( p_demux->s, STREAM_CAN_SEEK, &b_seekable );
     if( !b_seekable )
     {
-        msg_Warn( p_input, "MP4 plugin discarded (unseekable)" );
+        msg_Warn( p_demux, "MP4 plugin discarded (unseekable)" );
         return VLC_EGENERIC;
     }
 
     /*Set exported functions */
-    p_input->pf_demux = Demux;
-    p_input->pf_demux_control = Control;
+    p_demux->pf_demux = Demux;
+    p_demux->pf_control = Control;
 
     /* create our structure that will contains all data */
-    p_input->p_demux_data = p_sys = malloc( sizeof( demux_sys_t ) );
+    p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
     memset( p_sys, 0, sizeof( demux_sys_t ) );
 
     /* Now load all boxes ( except raw data ) */
-    if( ( p_sys->p_root = MP4_BoxGetRoot( p_input ) ) == NULL )
+    if( ( p_sys->p_root = MP4_BoxGetRoot( p_demux->s ) ) == NULL )
     {
-        msg_Warn( p_input, "MP4 plugin discarded (not a valid file)" );
+        msg_Warn( p_demux, "MP4 plugin discarded (not a valid file)" );
         goto error;
     }
 
-    MP4_BoxDumpStructure( p_input, p_sys->p_root );
+    MP4_BoxDumpStructure( p_demux->s, p_sys->p_root );
 
     if( ( p_ftyp = MP4_BoxGet( p_sys->p_root, "/ftyp" ) ) )
     {
         switch( p_ftyp->data.p_ftyp->i_major_brand )
         {
             case( FOURCC_isom ):
-                msg_Dbg( p_input,
+                msg_Dbg( p_demux,
                          "ISO Media file (isom) version %d.",
                          p_ftyp->data.p_ftyp->i_minor_version );
                 break;
             default:
-                msg_Dbg( p_input,
+                msg_Dbg( p_demux,
                          "unrecognized major file specification (%4.4s).",
                           (char*)&p_ftyp->data.p_ftyp->i_major_brand );
                 break;
@@ -158,7 +305,7 @@ static int Open( vlc_object_t * p_this )
     }
     else
     {
-        msg_Dbg( p_input, "file type box missing (assuming ISO Media file)" );
+        msg_Dbg( p_demux, "file type box missing (assuming ISO Media file)" );
     }
 
     /* the file need to have one moov box */
@@ -168,7 +315,7 @@ static int Open( vlc_object_t * p_this )
 
         if( !p_foov )
         {
-            msg_Err( p_input, "MP4 plugin discarded (no moov box)" );
+            msg_Err( p_demux, "MP4 plugin discarded (no moov box)" );
             goto error;
         }
         /* we have a free box as a moov, rename it */
@@ -178,18 +325,23 @@ static int Open( vlc_object_t * p_this )
     if( ( p_rmra = MP4_BoxGet( p_sys->p_root,  "/moov/rmra" ) ) )
     {
         playlist_t *p_playlist;
+        playlist_item_t *p_item;
         int        i_count = MP4_BoxCount( p_rmra, "rmda" );
         int        i;
+        vlc_bool_t b_play = VLC_FALSE;
 
-        msg_Dbg( p_input, "detected playlist mov file (%d ref)", i_count );
+        msg_Dbg( p_demux, "detected playlist mov file (%d ref)", i_count );
 
         p_playlist =
-            (playlist_t *)vlc_object_find( p_input,
+            (playlist_t *)vlc_object_find( p_demux,
                                            VLC_OBJECT_PLAYLIST,
                                            FIND_ANYWHERE );
         if( p_playlist )
         {
-            //p_playlist->pp_items[p_playlist->i_index]->b_autodeletion = VLC_TRUE;
+            p_item = playlist_ItemGetByInput( p_playlist,
+                      ((input_thread_t *)p_demux->p_parent)->input.p_item );
+            playlist_ItemToNode( p_playlist, p_item );
+
             for( i = 0; i < i_count; i++ )
             {
                 MP4_Box_t *p_rdrf = MP4_BoxGet( p_rmra, "rmda[%d]/rdrf", i );
@@ -202,56 +354,91 @@ static int Open( vlc_object_t * p_this )
                 }
                 i_ref_type = p_rdrf->data.p_rdrf->i_ref_type;
 
-                msg_Dbg( p_input, "new ref=`%s' type=%4.4s",
+                msg_Dbg( p_demux, "new ref=`%s' type=%4.4s",
                          psz_ref, (char*)&i_ref_type );
 
                 if( i_ref_type == VLC_FOURCC( 'u', 'r', 'l', ' ' ) )
                 {
                     if( strstr( psz_ref, "qt5gateQT" ) )
                     {
-                        msg_Dbg( p_input, "ignoring pseudo ref =`%s'", psz_ref );
+                        msg_Dbg( p_demux, "ignoring pseudo ref =`%s'", psz_ref );
                         continue;
                     }
                     if( !strncmp( psz_ref, "http://", 7 ) ||
                         !strncmp( psz_ref, "rtsp://", 7 ) )
                     {
-                        msg_Dbg( p_input, "adding ref = `%s'", psz_ref );
-                        playlist_Add( p_playlist, psz_ref, psz_ref,
-                                      PLAYLIST_APPEND, PLAYLIST_END );
+                        msg_Dbg( p_demux, "adding ref = `%s'", psz_ref );
+                        if( p_item )
+                        {
+                            playlist_item_t *p_child =
+                                        playlist_ItemNew( p_playlist,
+                                                          psz_ref, psz_ref );
+                            if( p_child )
+                            {
+                                playlist_NodeAddItem( p_playlist, p_child,
+                                                 p_item->pp_parents[0]->i_view,
+                                                 p_item, PLAYLIST_APPEND,
+                                                 PLAYLIST_END );
+                                playlist_CopyParents( p_item, p_child );
+                                b_play = VLC_TRUE;
+                            }
+                        }
                     }
                     else
                     {
                         /* msg dbg relative ? */
-                        char *psz_absolute = alloca( strlen( p_input->psz_source ) + strlen( psz_ref ) + 1);
-                        char *end = strrchr( p_input->psz_source, '/' );
+                        char *psz_absolute = alloca( strlen( p_demux->psz_access ) + 3 + strlen( p_demux->psz_path ) + strlen( psz_ref ) + 1);
+                        char *end = strrchr( p_demux->psz_path, '/' );
 
                         if( end )
                         {
-                            int i_len = end + 1 - p_input->psz_source;
+                            int i_len = end + 1 - p_demux->psz_path;
 
-                            strncpy( psz_absolute, p_input->psz_source, i_len);
-                            psz_absolute[i_len] = '\0';
+                            strcpy( psz_absolute, p_demux->psz_access );
+                            strcat( psz_absolute, "://" );
+                            strncat( psz_absolute, p_demux->psz_path, i_len);
                         }
                         else
                         {
                             strcpy( psz_absolute, "" );
                         }
                         strcat( psz_absolute, psz_ref );
-                        msg_Dbg( p_input, "adding ref = `%s'", psz_absolute );
-                        playlist_Add( p_playlist, psz_absolute, psz_absolute,
-                                      PLAYLIST_APPEND, PLAYLIST_END );
+                        msg_Dbg( p_demux, "adding ref = `%s'", psz_absolute );
+                        if( p_item )
+                        {
+                            playlist_item_t *p_child =
+                                        playlist_ItemNew( p_playlist,
+                                                          psz_absolute,
+                                                          psz_absolute );
+                            if( p_child )
+                            {
+                                playlist_NodeAddItem( p_playlist, p_child,
+                                                 p_item->pp_parents[0]->i_view,
+                                                 p_item, PLAYLIST_APPEND,
+                                                 PLAYLIST_END );
+                                playlist_CopyParents( p_item, p_child );
+                                b_play = VLC_TRUE;
+                            }
+                        }
                     }
                 }
                 else
                 {
-                    msg_Err( p_input, "unknown ref type=%4.4s FIXME (send a bug report)", (char*)&p_rdrf->data.p_rdrf->i_ref_type );
+                    msg_Err( p_demux, "unknown ref type=%4.4s FIXME (send a bug report)",
+                             (char*)&p_rdrf->data.p_rdrf->i_ref_type );
                 }
             }
+            if( b_play == VLC_TRUE )
+            {
+                 playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,
+                                   p_playlist->status.i_view,
+                                   p_playlist->status.p_item, NULL );
+            }
             vlc_object_release( p_playlist );
         }
         else
         {
-            msg_Err( p_input, "can't find playlist" );
+            msg_Err( p_demux, "can't find playlist" );
         }
     }
 
@@ -259,13 +446,13 @@ static int Open( vlc_object_t * p_this )
     {
         if( !p_rmra )
         {
-            msg_Err( p_input, "cannot find /moov/mvhd" );
+            msg_Err( p_demux, "cannot find /moov/mvhd" );
             goto error;
         }
         else
         {
-            msg_Warn( p_input, "cannot find /moov/mvhd (pure ref file)" );
-            p_input->pf_demux = DemuxRef;
+            msg_Warn( p_demux, "cannot find /moov/mvhd (pure ref file)" );
+            p_demux->pf_demux = DemuxRef;
             return VLC_SUCCESS;
         }
     }
@@ -277,43 +464,22 @@ static int Open( vlc_object_t * p_this )
 
     if( !( p_sys->i_tracks = MP4_BoxCount( p_sys->p_root, "/moov/trak" ) ) )
     {
-        msg_Err( p_input, "cannot find any /moov/trak" );
+        msg_Err( p_demux, "cannot find any /moov/trak" );
         goto error;
     }
-    msg_Dbg( p_input, "find %d track%c",
+    msg_Dbg( p_demux, "find %d track%c",
                         p_sys->i_tracks,
                         p_sys->i_tracks ? 's':' ' );
 
-    /*  create one program */
-    vlc_mutex_lock( &p_input->stream.stream_lock );
-    if( input_InitStream( p_input, 0 ) == -1)
-    {
-        vlc_mutex_unlock( &p_input->stream.stream_lock );
-        msg_Err( p_input, "cannot init stream" );
-        goto error;
-    }
-    if( p_sys->i_duration/p_sys->i_timescale > 0 )
-    {
-        p_input->stream.i_mux_rate =
-            p_input->stream.p_selected_area->i_size / 50 /
-            ( p_sys->i_duration / p_sys->i_timescale );
-    }
-    else
-    {
-        p_input->stream.i_mux_rate = 0;
-    }
-    vlc_mutex_unlock( &p_input->stream.stream_lock );
-
-
     /* allocate memory */
-    p_sys->track = calloc( p_sys->i_tracks, sizeof( track_data_mp4_t ) );
-    memset( p_sys->track, 0, p_sys->i_tracks * sizeof( track_data_mp4_t ) );
+    p_sys->track = calloc( p_sys->i_tracks, sizeof( mp4_track_t ) );
+    memset( p_sys->track, 0, p_sys->i_tracks * sizeof( mp4_track_t ) );
 
-    /* now process each track and extract all usefull informations */
+    /* now process each track and extract all usefull information */
     for( i = 0; i < p_sys->i_tracks; i++ )
     {
         p_trak = MP4_BoxGet( p_sys->p_root, "/moov/trak[%d]", i );
-        MP4_TrackCreate( p_input, &p_sys->track[i], p_trak );
+        MP4_TrackCreate( p_demux, &p_sys->track[i], p_trak );
 
         if( p_sys->track[i].b_ok )
         {
@@ -326,20 +492,25 @@ static int Open( vlc_object_t * p_this )
                 case( AUDIO_ES ):
                     psz_cat = "audio";
                     break;
+                case( SPU_ES ):
+                    psz_cat = "subtitle";
+                    break;
+
                 default:
                     psz_cat = "unknown";
                     break;
             }
 
-            msg_Dbg( p_input, "adding track[Id 0x%x] %s (%s) language %s",
-                            p_sys->track[i].i_track_ID,
-                            psz_cat,
-                            p_sys->track[i].b_enable ? "enable":"disable",
-                            p_sys->track[i].fmt.psz_language ? p_sys->track[i].fmt.psz_language : "undef" );
+            msg_Dbg( p_demux, "adding track[Id 0x%x] %s (%s) language %s",
+                     p_sys->track[i].i_track_ID, psz_cat,
+                     p_sys->track[i].b_enable ? "enable":"disable",
+                     p_sys->track[i].fmt.psz_language ?
+                     p_sys->track[i].fmt.psz_language : "undef" );
         }
         else
         {
-            msg_Dbg( p_input, "ignoring track[Id 0x%x]", p_sys->track[i].i_track_ID );
+            msg_Dbg( p_demux, "ignoring track[Id 0x%x]",
+                     p_sys->track[i].i_track_ID );
         }
 
     }
@@ -348,7 +519,7 @@ static int Open( vlc_object_t * p_this )
 error:
     if( p_sys->p_root )
     {
-        MP4_BoxFree( p_input, p_sys->p_root );
+        MP4_BoxFree( p_demux->s, p_sys->p_root );
     }
     free( p_sys );
     return VLC_EGENERIC;
@@ -359,180 +530,195 @@ error:
  *****************************************************************************
  * TODO check for newly selected track (ie audio upt to now )
  *****************************************************************************/
-static int Demux( input_thread_t *p_input )
+static int Demux( demux_t *p_demux )
 {
-    demux_sys_t *p_sys = p_input->p_demux_data;
+    demux_sys_t *p_sys = p_demux->p_sys;
     unsigned int i_track;
 
 
     unsigned int i_track_selected;
-    vlc_bool_t   b_play_audio;
 
     /* check for newly selected/unselected track */
-    for( i_track = 0, i_track_selected = 0; i_track <  p_sys->i_tracks; i_track++ )
+    for( i_track = 0, i_track_selected = 0; i_track < p_sys->i_tracks;
+         i_track++ )
     {
-#define track   p_sys->track[i_track]
-        if( track.b_selected && track.i_sample >= track.i_sample_count )
+        mp4_track_t *tk = &p_sys->track[i_track];
+
+        if( tk->b_selected && tk->i_sample >= tk->i_sample_count )
         {
-            msg_Warn( p_input, "track[0x%x] will be disabled", track.i_track_ID );
-            MP4_TrackUnselect( p_input, &track );
+            msg_Warn( p_demux, "track[0x%x] will be disabled", tk->i_track_ID );
+            MP4_TrackUnselect( p_demux, tk);
         }
-        else if( track.b_ok )
+        else if( tk->b_ok )
         {
             vlc_bool_t b;
-            es_out_Control( p_input->p_es_out, ES_OUT_GET_ES_STATE, track.p_es, &b );
+            es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
 
-            if( track.b_selected && !b )
+            if( tk->b_selected && !b )
             {
-                MP4_TrackUnselect( p_input, &track );
+                MP4_TrackUnselect( p_demux, tk );
             }
-            else if( !track.b_selected && b)
+            else if( !tk->b_selected && b)
             {
-                MP4_TrackSelect( p_input, &track, MP4_GetMoviePTS( p_sys ) );
+                MP4_TrackSelect( p_demux, tk, MP4_GetMoviePTS( p_sys ) );
             }
 
-            if( track.b_selected )
+            if( tk->b_selected )
             {
                 i_track_selected++;
             }
         }
-#undef  track
     }
 
     if( i_track_selected <= 0 )
     {
-        msg_Warn( p_input, "no track selected, exiting..." );
-        return( 0 );
+        p_sys->i_time += __MAX( p_sys->i_timescale / 10 , 1 );
+        if( p_sys->i_timescale > 0 )
+        {
+            int64_t i_length = (mtime_t)1000000 *
+                               (mtime_t)p_sys->i_duration /
+                               (mtime_t)p_sys->i_timescale;
+            if( MP4_GetMoviePTS( p_sys ) >= i_length )
+                return 0;
+            return 1;
+        }
+
+        msg_Warn( p_demux, "no track selected, exiting..." );
+        return 0;
     }
 
     /* first wait for the good time to read a packet */
-    input_ClockManageRef( p_input,
-                          p_input->stream.p_selected_program,
-                          p_sys->i_pcr );
+    es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr + 1 );
 
-    /* update pcr XXX in mpeg scale so in 90000 unit/s */
-    p_sys->i_pcr = MP4_GetMoviePTS( p_sys ) * 9 / 100;
+    p_sys->i_pcr = MP4_GetMoviePTS( p_sys );
 
     /* we will read 100ms for each stream so ...*/
     p_sys->i_time += __MAX( p_sys->i_timescale / 10 , 1 );
 
-    /* Check if we need to send the audio data to decoder */
-    b_play_audio = !p_input->stream.control.b_mute;
-
     for( i_track = 0; i_track < p_sys->i_tracks; i_track++ )
     {
-#define track p_sys->track[i_track]
-        if( !track.b_ok ||
-            !track.b_selected ||
-            MP4_GetTrackPTS( &track ) >= MP4_GetMoviePTS( p_sys ) )
+        mp4_track_t *tk = &p_sys->track[i_track];
+
+        if( !tk->b_ok || !tk->b_selected )
         {
             continue;
         }
 
-        while( MP4_GetTrackPTS( &track ) < MP4_GetMoviePTS( p_sys ) )
+        while( MP4_TrackGetPTS( p_demux, tk ) < MP4_GetMoviePTS( p_sys ) )
         {
+#if 0
+            msg_Dbg( p_demux, "tk(%i)=%lld mv=%lld", i_track,
+                     MP4_TrackGetPTS( p_demux, tk ),
+                     MP4_GetMoviePTS( p_sys ) );
+#endif
 
-            if( !b_play_audio && track.fmt.i_cat == AUDIO_ES )
-            {
-                if( MP4_TrackNextSample( p_input, &track ) )
-                {
-                    break;
-                }
-            }
-            else
+            if( MP4_TrackSampleSize( tk ) > 0 )
             {
                 block_t *p_block;
 
                 /* go,go go ! */
-                if( stream_Seek( p_input->s, MP4_GetTrackPos( &track ) ) )
+                if( stream_Seek( p_demux->s, MP4_TrackGetPos( tk ) ) )
                 {
-                    msg_Warn( p_input, "track[0x%x] will be disabled (eof?)", track.i_track_ID );
-                    MP4_TrackUnselect( p_input, &track );
+                    msg_Warn( p_demux, "track[0x%x] will be disabled (eof?)",
+                              tk->i_track_ID );
+                    MP4_TrackUnselect( p_demux, tk );
                     break;
                 }
 
                 /* now read pes */
-                if( ( p_block = stream_Block( p_input->s,
-                                              MP4_TrackSampleSize( &track ) ) ) == NULL )
+                if( !(p_block =
+                         stream_Block( p_demux->s, MP4_TrackSampleSize(tk) )) )
                 {
-                    msg_Warn( p_input, "track[0x%x] will be disabled (eof?)", track.i_track_ID );
-                    MP4_TrackUnselect( p_input, &track );
+                    msg_Warn( p_demux, "track[0x%x] will be disabled (eof?)",
+                              tk->i_track_ID );
+                    MP4_TrackUnselect( p_demux, tk );
                     break;
                 }
 
-                if( track.b_drms && track.p_drms )
+                if( tk->b_drms && tk->p_drms )
                 {
-                    drms_decrypt( track.p_drms,
-                                  (uint32_t *)p_block->p_buffer,
+                    drms_decrypt( tk->p_drms, (uint32_t*)p_block->p_buffer,
                                   p_block->i_buffer );
                 }
-
-                if( track.fmt.i_cat == VIDEO_ES )
-                {
-                    /* FIXME sometime we can calculate PTS */
-                    p_block->i_pts = 0;
-                    p_block->i_dts =
-                        input_ClockGetTS( p_input,
-                                          p_input->stream.p_selected_program,
-                                          MP4_GetTrackPTS( &track ) * 9/100 );
-                }
-                else
+                else if( tk->fmt.i_cat == SPU_ES )
                 {
-                    p_block->i_pts =
-                    p_block->i_dts =
-                        input_ClockGetTS( p_input,
-                                          p_input->stream.p_selected_program,
-                                          MP4_GetTrackPTS( &track ) * 9/100 );
-                }
+                    if( tk->fmt.i_codec == VLC_FOURCC( 's', 'u', 'b', 't' ) &&
+                        p_block->i_buffer >= 2 )
+                    {
+                        uint16_t i_size = GetWBE( p_block->p_buffer );
 
-                if( !track.b_drms || ( track.b_drms && track.p_drms ) )
-                {
-                    es_out_Send( p_input->p_es_out, track.p_es, p_block );
+                        if( i_size + 2 <= p_block->i_buffer )
+                        {
+                            char *p;
+                            /* remove the length field, and append a '\0' */
+                            memmove( &p_block->p_buffer[0],
+                                     &p_block->p_buffer[2], i_size );
+                            p_block->p_buffer[i_size] = '\0';
+                            p_block->i_buffer = i_size + 1;
+
+                            /* convert \r -> \n */
+                            while( ( p = strchr( p_block->p_buffer, '\r' ) ) )
+                            {
+                                *p = '\n';
+                            }
+                        }
+                        else
+                        {
+                            /* Invalid */
+                            p_block->i_buffer = 0;
+                        }
+                    }
                 }
+                p_block->i_dts = MP4_TrackGetPTS( p_demux, tk ) + 1;
+
+                p_block->i_pts = tk->fmt.i_cat == VIDEO_ES ?
+                    0 : p_block->i_dts + 1;
 
-                if( MP4_TrackNextSample( p_input, &track ) )
+                if( !tk->b_drms || ( tk->b_drms && tk->p_drms ) )
                 {
-                    break;
+                    es_out_Send( p_demux->out, tk->p_es, p_block );
                 }
             }
+
+            /* Next sample */
+            if( MP4_TrackNextSample( p_demux, tk ) )
+            {
+                break;
+            }
         }
-#undef track
     }
 
-    return( 1 );
+    return 1;
 }
 /*****************************************************************************
  * Seek: Got to i_date
- ******************************************************************************/
-static int   Seek     ( input_thread_t *p_input, mtime_t i_date )
+******************************************************************************/
+static int Seek( demux_t *p_demux, mtime_t i_date )
 {
-    demux_sys_t *p_sys = p_input->p_demux_data;
+    demux_sys_t *p_sys = p_demux->p_sys;
     unsigned int i_track;
+
     /* First update update global time */
     p_sys->i_time = i_date * p_sys->i_timescale / 1000000;
-    p_sys->i_pcr  = i_date* 9 / 100;
+    p_sys->i_pcr  = i_date;
 
     /* Now for each stream try to go to this time */
     for( i_track = 0; i_track < p_sys->i_tracks; i_track++ )
     {
-#define track p_sys->track[i_track]
-        if( track.b_ok && track.b_selected )
-        {
-            MP4_TrackSeek( p_input, &track, i_date );
-        }
-#undef  track
+        mp4_track_t *tk = &p_sys->track[i_track];
+        MP4_TrackSeek( p_demux, tk, i_date );
     }
-    return( 1 );
+    return VLC_SUCCESS;
 }
 
 /*****************************************************************************
  * Control:
  *****************************************************************************/
-static int   Control  ( input_thread_t *p_input, int i_query, va_list args )
+static int Control( demux_t *p_demux, int i_query, va_list args )
 {
-    demux_sys_t *p_sys = p_input->p_demux_data;
+    demux_sys_t *p_sys = p_demux->p_sys;
 
-    double   f, *pf;
+    double f, *pf;
     int64_t i64, *pi64;
 
     switch( i_query )
@@ -551,35 +737,128 @@ static int   Control  ( input_thread_t *p_input, int i_query, va_list args )
 
         case DEMUX_SET_POSITION:
             f = (double)va_arg( args, double );
-            i64 = (int64_t)( f *
-                             (double)1000000 *
-                             (double)p_sys->i_duration /
-                             (double)p_sys->i_timescale );
-            return Seek( p_input, i64 );
+            if( p_sys->i_timescale > 0 )
+            {
+                i64 = (int64_t)( f * (double)1000000 *
+                                 (double)p_sys->i_duration /
+                                 (double)p_sys->i_timescale );
+                return Seek( p_demux, i64 );
+            }
+            else return VLC_SUCCESS;
 
         case DEMUX_GET_TIME:
             pi64 = (int64_t*)va_arg( args, int64_t * );
-            *pi64 = (mtime_t)1000000 *
-                    (mtime_t)p_sys->i_time /
-                    (mtime_t)p_sys->i_timescale;
+            if( p_sys->i_timescale > 0 )
+            {
+                *pi64 = (mtime_t)1000000 *
+                        (mtime_t)p_sys->i_time /
+                        (mtime_t)p_sys->i_timescale;
+            }
+            else *pi64 = 0;
             return VLC_SUCCESS;
 
         case DEMUX_SET_TIME:
             i64 = (int64_t)va_arg( args, int64_t );
-            return Seek( p_input, i64 );
+            return Seek( p_demux, i64 );
 
         case DEMUX_GET_LENGTH:
             pi64 = (int64_t*)va_arg( args, int64_t * );
-            *pi64 = (mtime_t)1000000 *
-                    (mtime_t)p_sys->i_duration /
-                    (mtime_t)p_sys->i_timescale;
+            if( p_sys->i_timescale > 0 )
+            {
+                *pi64 = (mtime_t)1000000 *
+                        (mtime_t)p_sys->i_duration /
+                        (mtime_t)p_sys->i_timescale;
+            }
+            else *pi64 = 0;
             return VLC_SUCCESS;
+
         case DEMUX_GET_FPS:
-            msg_Warn( p_input, "DEMUX_GET_FPS unimplemented !!" );
+            msg_Warn( p_demux, "DEMUX_GET_FPS unimplemented !!" );
             return VLC_EGENERIC;
+
+        case DEMUX_GET_META:
+        {
+            vlc_meta_t **pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
+            vlc_meta_t *meta;
+            MP4_Box_t  *p_udta   = MP4_BoxGet( p_sys->p_root, "/moov/udta" );
+            MP4_Box_t  *p_0xa9xxx;
+            if( p_udta == NULL )
+            {
+                return VLC_EGENERIC;
+            }
+            *pp_meta = meta = vlc_meta_New();
+            for( p_0xa9xxx = p_udta->p_first; p_0xa9xxx != NULL;
+                 p_0xa9xxx = p_0xa9xxx->p_next )
+            {
+                switch( p_0xa9xxx->i_type )
+                {
+                case FOURCC_0xa9nam: /* Full name */
+                    vlc_meta_Add( meta, VLC_META_TITLE,
+                                  p_0xa9xxx->data.p_0xa9xxx->psz_text );
+                    break;
+                case FOURCC_0xa9aut:
+                    vlc_meta_Add( meta, VLC_META_AUTHOR,
+                                  p_0xa9xxx->data.p_0xa9xxx->psz_text );
+                    break;
+                case FOURCC_0xa9ART:
+                    vlc_meta_Add( meta, VLC_META_ARTIST,
+                                  p_0xa9xxx->data.p_0xa9xxx->psz_text );
+                    break;
+                case FOURCC_0xa9cpy:
+                    vlc_meta_Add( meta, VLC_META_COPYRIGHT,
+                                  p_0xa9xxx->data.p_0xa9xxx->psz_text );
+                    break;
+                case FOURCC_0xa9day: /* Creation Date */
+                    vlc_meta_Add( meta, VLC_META_DATE,
+                                  p_0xa9xxx->data.p_0xa9xxx->psz_text );
+                    break;
+                case FOURCC_0xa9des: /* Description */
+                    vlc_meta_Add( meta, VLC_META_DESCRIPTION,
+                                  p_0xa9xxx->data.p_0xa9xxx->psz_text );
+                    break;
+                case FOURCC_0xa9gen: /* Genre */
+                    vlc_meta_Add( meta, VLC_META_GENRE,
+                                  p_0xa9xxx->data.p_0xa9xxx->psz_text );
+                    break;
+
+                case FOURCC_0xa9swr:
+                case FOURCC_0xa9inf: /* Information */
+                case FOURCC_0xa9alb: /* Album */
+                case FOURCC_0xa9dir: /* Director */
+                case FOURCC_0xa9dis: /* Disclaimer */
+                case FOURCC_0xa9enc: /* Encoded By */
+                case FOURCC_0xa9trk: /* Track */
+                case FOURCC_0xa9cmt: /* Commment */
+                case FOURCC_0xa9url: /* URL */
+                case FOURCC_0xa9req: /* Requirements */
+                case FOURCC_0xa9fmt: /* Original Format */
+                case FOURCC_0xa9dsa: /* Display Source As */
+                case FOURCC_0xa9hst: /* Host Computer */
+                case FOURCC_0xa9prd: /* Producer */
+                case FOURCC_0xa9prf: /* Performers */
+                case FOURCC_0xa9ope: /* Original Performer */
+                case FOURCC_0xa9src: /* Providers Source Content */
+                case FOURCC_0xa9wrt: /* Writer */
+                case FOURCC_0xa9com: /* Composer */
+                case FOURCC_WLOC:    /* Window Location */
+                    /* TODO one day, but they aren't really meaningfull */
+                    break;
+
+                default:
+                    break;
+                }
+            }
+            return VLC_SUCCESS;
+        }
+
+        case DEMUX_GET_TITLE_INFO:
+        case DEMUX_SET_NEXT_DEMUX_TIME:
+        case DEMUX_SET_GROUP:
+            return VLC_EGENERIC;
+
         default:
-            msg_Err( p_input, "control query unimplemented !!!" );
-            return demux_vaControlDefault( p_input, i_query, args );
+            msg_Warn( p_demux, "control query unimplemented !!!" );
+            return VLC_EGENERIC;
     }
 }
 
@@ -589,15 +868,15 @@ static int   Control  ( input_thread_t *p_input, int i_query, va_list args )
 static void Close ( vlc_object_t * p_this )
 {
     unsigned int i_track;
-    input_thread_t *  p_input = (input_thread_t *)p_this;
-    demux_sys_t *p_sys = p_input->p_demux_data;
+    demux_t *  p_demux = (demux_t *)p_this;
+    demux_sys_t *p_sys = p_demux->p_sys;
 
-    msg_Dbg( p_input, "freeing all memory" );
+    msg_Dbg( p_demux, "freeing all memory" );
 
-    MP4_BoxFree( p_input, p_sys->p_root );
+    MP4_BoxFree( p_demux->s, p_sys->p_root );
     for( i_track = 0; i_track < p_sys->i_tracks; i_track++ )
     {
-        MP4_TrackDestroy( p_input, &p_sys->track[i_track] );
+        MP4_TrackDestroy( p_demux, &p_sys->track[i_track] );
     }
     FREE( p_sys->track );
 
@@ -611,8 +890,8 @@ static void Close ( vlc_object_t * p_this )
  ****************************************************************************/
 
 /* now create basic chunk data, the rest will be filled by MP4_CreateSamplesIndex */
-static int TrackCreateChunksIndex( input_thread_t *p_input,
-                                   track_data_mp4_t *p_demux_track )
+static int TrackCreateChunksIndex( demux_t *p_demux,
+                                   mp4_track_t *p_demux_track )
 {
     MP4_Box_t *p_co64; /* give offset for each chunk, same for stco and co64 */
     MP4_Box_t *p_stsc;
@@ -630,11 +909,11 @@ static int TrackCreateChunksIndex( input_thread_t *p_input,
     p_demux_track->i_chunk_count = p_co64->data.p_co64->i_entry_count;
     if( !p_demux_track->i_chunk_count )
     {
-        msg_Warn( p_input, "no chunk defined" );
+        msg_Warn( p_demux, "no chunk defined" );
         return( VLC_EGENERIC );
     }
     p_demux_track->chunk = calloc( p_demux_track->i_chunk_count,
-                                   sizeof( chunk_data_mp4_t ) );
+                                   sizeof( mp4_chunk_t ) );
 
     /* first we read chunk offset */
     for( i_chunk = 0; i_chunk < p_demux_track->i_chunk_count; i_chunk++ )
@@ -650,15 +929,14 @@ static int TrackCreateChunksIndex( input_thread_t *p_input,
     i_index = p_stsc->data.p_stsc->i_entry_count;
     if( !i_index )
     {
-        msg_Warn( p_input, "cannot read chunk table or table empty" );
+        msg_Warn( p_demux, "cannot read chunk table or table empty" );
         return( VLC_EGENERIC );
     }
 
-    while( i_index )
+    while( i_index-- )
     {
-        i_index--;
         for( i_chunk = p_stsc->data.p_stsc->i_first_chunk[i_index] - 1;
-                i_chunk < i_last; i_chunk++ )
+             i_chunk < i_last; i_chunk++ )
         {
             p_demux_track->chunk[i_chunk].i_sample_description_index =
                     p_stsc->data.p_stsc->i_sample_description_index[i_index];
@@ -676,15 +954,14 @@ static int TrackCreateChunksIndex( input_thread_t *p_input,
                 p_demux_track->chunk[i_chunk-1].i_sample_count;
     }
 
-    msg_Dbg( p_input,
-             "track[Id 0x%x] read %d chunk",
-             p_demux_track->i_track_ID,
-            p_demux_track->i_chunk_count );
+    msg_Dbg( p_demux, "track[Id 0x%x] read %d chunk",
+             p_demux_track->i_track_ID, p_demux_track->i_chunk_count );
 
-    return( VLC_SUCCESS );
+    return VLC_SUCCESS;
 }
-static int TrackCreateSamplesIndex( input_thread_t *p_input,
-                                    track_data_mp4_t *p_demux_track )
+
+static int TrackCreateSamplesIndex( demux_t *p_demux,
+                                    mp4_track_t *p_demux_track )
 {
     MP4_Box_t *p_stts; /* makes mapping between sample and decoding time,
                           ctts make same mapping but for composition time,
@@ -707,7 +984,7 @@ static int TrackCreateSamplesIndex( input_thread_t *p_input,
 
     if( ( !p_stts )||( !p_stsz ) )
     {
-        msg_Warn( p_input, "cannot read sample table" );
+        msg_Warn( p_demux, "cannot read sample table" );
         return( VLC_EGENERIC );
     }
 
@@ -734,36 +1011,37 @@ static int TrackCreateSamplesIndex( input_thread_t *p_input,
                     p_stsz->data.p_stsz->i_entry_size[i_sample];
         }
     }
-    /* we have extract all information from stsz,
-        now use stts */
+    /* we have extracted all the information from stsz, now use stts */
 
     /* if we don't want to waste too much memory, we can't expand
-       the box !, so each chunk will contain an "extract" of this table
+       the box! so each chunk will contain an "extract" of this table
        for fast research */
 
     i_last_dts = 0;
-    i_index = 0; i_index_sample_used =0;
+    i_index = 0; i_index_sample_used = 0;
 
     /* create and init last data for each chunk */
-    for(i_chunk = 0 ; i_chunk < p_demux_track->i_chunk_count; i_chunk++ )
+    for( i_chunk = 0; i_chunk < p_demux_track->i_chunk_count; i_chunk++ )
     {
 
         int64_t i_entry, i_sample_count, i;
+
         /* save last dts */
         p_demux_track->chunk[i_chunk].i_first_dts = i_last_dts;
-    /* count how many entries needed for this chunk
-       for p_sample_delta_dts and p_sample_count_dts */
 
+        /* count how many entries are needed for this chunk
+         * for p_sample_delta_dts and p_sample_count_dts */
         i_sample_count = p_demux_track->chunk[i_chunk].i_sample_count;
 
         i_entry = 0;
         while( i_sample_count > 0 )
         {
-            i_sample_count -= p_stts->data.p_stts->i_sample_count[i_index+i_entry];
+            i_sample_count -=
+                p_stts->data.p_stts->i_sample_count[i_index+i_entry];
             if( i_entry == 0 )
             {
-                i_sample_count += i_index_sample_used; /* don't count already used sample
-                                                   int this entry */
+                /* don't count already used sample in this entry */
+                i_sample_count += i_index_sample_used;
             }
             i_entry++;
         }
@@ -781,7 +1059,8 @@ static int TrackCreateSamplesIndex( input_thread_t *p_input,
             int64_t i_used;
             int64_t i_rest;
 
-            i_rest = p_stts->data.p_stts->i_sample_count[i_index] - i_index_sample_used;
+            i_rest = p_stts->data.p_stts->i_sample_count[i_index] -
+                i_index_sample_used;
 
             i_used = __MIN( i_rest, i_sample_count );
 
@@ -791,39 +1070,33 @@ static int TrackCreateSamplesIndex( input_thread_t *p_input,
             p_demux_track->chunk[i_chunk].p_sample_count_dts[i] = i_used;
 
             p_demux_track->chunk[i_chunk].p_sample_delta_dts[i] =
-                        p_stts->data.p_stts->i_sample_delta[i_index];
+                p_stts->data.p_stts->i_sample_delta[i_index];
 
             i_last_dts += i_used *
-                    p_demux_track->chunk[i_chunk].p_sample_delta_dts[i];
+                p_demux_track->chunk[i_chunk].p_sample_delta_dts[i];
 
             if( i_index_sample_used >=
-                             p_stts->data.p_stts->i_sample_count[i_index] )
+                p_stts->data.p_stts->i_sample_count[i_index] )
             {
-
                 i_index++;
                 i_index_sample_used = 0;
             }
         }
-
     }
 
-    msg_Dbg( p_input,
-             "track[Id 0x%x] read %d samples length:"I64Fd"s",
-             p_demux_track->i_track_ID,
-             p_demux_track->i_sample_count,
+    msg_Dbg( p_demux, "track[Id 0x%x] read %d samples length:"I64Fd"s",
+             p_demux_track->i_track_ID, p_demux_track->i_sample_count,
              i_last_dts / p_demux_track->i_timescale );
 
-    return( VLC_SUCCESS );
+    return VLC_SUCCESS;
 }
 
 /*
  * TrackCreateES:
- *  Create ES and PES to init decoder if needed, for a track starting at i_chunk
+ * Create ES and PES to init decoder if needed, for a track starting at i_chunk
  */
-static int  TrackCreateES   ( input_thread_t   *p_input,
-                              track_data_mp4_t *p_track,
-                              unsigned int     i_chunk,
-                              es_out_id_t      **pp_es )
+static int TrackCreateES( demux_t *p_demux, mp4_track_t *p_track,
+                          unsigned int i_chunk, es_out_id_t **pp_es )
 {
     MP4_Box_t   *p_sample;
     MP4_Box_t   *p_esds;
@@ -832,8 +1105,7 @@ static int  TrackCreateES   ( input_thread_t   *p_input,
 
     if( !p_track->chunk[i_chunk].i_sample_description_index )
     {
-        msg_Warn( p_input,
-                  "invalid SampleEntry index (track[Id 0x%x])",
+        msg_Warn( p_demux, "invalid SampleEntry index (track[Id 0x%x])",
                   p_track->i_track_ID );
         return VLC_EGENERIC;
     }
@@ -841,17 +1113,17 @@ static int  TrackCreateES   ( input_thread_t   *p_input,
     p_sample = MP4_BoxGet(  p_track->p_stsd, "[%d]",
                 p_track->chunk[i_chunk].i_sample_description_index - 1 );
 
-    if( !p_sample || !p_sample->data.p_data )
+    if( !p_sample ||
+        ( !p_sample->data.p_data && p_track->fmt.i_cat != SPU_ES ) )
     {
-        msg_Warn( p_input,
-                  "cannot find SampleEntry (track[Id 0x%x])",
+        msg_Warn( p_demux, "cannot find SampleEntry (track[Id 0x%x])",
                   p_track->i_track_ID );
-        return( VLC_EGENERIC );
+        return VLC_EGENERIC;
     }
 
     p_track->p_sample = p_sample;
 
-    if( p_track->i_sample_size == 1 )
+    if( p_track->fmt.i_cat == AUDIO_ES && p_track->i_sample_size == 1 )
     {
         MP4_Box_data_sample_soun_t *p_soun;
 
@@ -882,6 +1154,10 @@ static int  TrackCreateES   ( input_thread_t   *p_input,
                     p_soun->i_bytes_per_frame   = 2 * p_soun->i_channelcount;
                     p_soun->i_bytes_per_sample  = 2;
                     break;
+                case VLC_FOURCC( 'a', 'l', 'a', 'w' ):
+                case VLC_FOURCC( 'u', 'l', 'a', 'w' ):
+                    p_soun->i_samplesize = 8;
+                    break;
                 default:
                     break;
             }
@@ -907,6 +1183,14 @@ static int  TrackCreateES   ( input_thread_t   *p_input,
         case( VLC_FOURCC( 's', '2', '6', '3' ) ):
             p_track->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '3' );
             break;
+
+        case( VLC_FOURCC( 't', 'e', 'x', 't' ) ):
+            p_track->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
+            /* FIXME: Not true, could be UTF-16 with a Byte Order Mark (0xfeff) */
+            /* FIXME UTF-8 doesn't work here ? */
+            /* p_track->fmt.subs.psz_encoding = strdup( "UTF-8" ); */
+            break;
+
         default:
             p_track->fmt.i_codec = p_sample->i_type;
             break;
@@ -956,9 +1240,18 @@ static int  TrackCreateES   ( input_thread_t   *p_input,
             case( 0x6c ): /* jpeg */
                 p_track->fmt.i_codec = VLC_FOURCC( 'j','p','e','g' );
                 break;
+
+            /* Private ID */
+            case( 0xe0 ): /* NeroDigital: dvd subs */
+                if( p_track->fmt.i_cat == SPU_ES )
+                {
+                    p_track->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
+                    break;
+                }
+            /* Fallback */
             default:
                 /* Unknown entry, but don't touch i_fourcc */
-                msg_Warn( p_input,
+                msg_Warn( p_demux,
                           "unknown objectTypeIndication(0x%x) (Track[ID 0x%x])",
                           p_decconfig->i_objectTypeIndication,
                           p_track->i_track_ID );
@@ -1006,6 +1299,28 @@ static int  TrackCreateES   ( input_thread_t   *p_input,
                             p_track->fmt.i_extra);
                 }
                 break;
+
+            /* avc1: send avcC (h264 without annexe B, ie without start code)*/
+            case VLC_FOURCC( 'a', 'v', 'c', '1' ):
+            {
+                MP4_Box_t *p_avcC = MP4_BoxGet( p_sample, "avcC" );
+
+                if( p_avcC )
+                {
+                    /* Hack: use a packetizer to reecampsulate data in anexe B format */
+                    msg_Dbg( p_demux, "avcC: size=%d", p_avcC->data.p_avcC->i_avcC );
+                    p_track->fmt.i_extra = p_avcC->data.p_avcC->i_avcC;
+                    p_track->fmt.p_extra = malloc( p_avcC->data.p_avcC->i_avcC );
+                    memcpy( p_track->fmt.p_extra, p_avcC->data.p_avcC->p_avcC, p_track->fmt.i_extra );
+                    p_track->fmt.b_packetized = VLC_FALSE;
+                }
+                else
+                {
+                    msg_Err( p_demux, "missing avcC" );
+                }
+                break;
+            }
+
             default:
                 break;
         }
@@ -1027,7 +1342,9 @@ static int  TrackCreateES   ( input_thread_t   *p_input,
             p_track->fmt.video.i_height = p_track->i_height;
 
         /* Find out apect ratio from display size */
-        if( p_track->i_width > 0 && p_track->i_height > 0 )
+        if( p_track->i_width > 0 && p_track->i_height > 0 &&
+            /* Work-around buggy muxed files */
+            p_sample->data.p_sample_vide->i_width != p_track->i_width )
             p_track->fmt.video.i_aspect =
                 VOUT_ASPECT_FACTOR * p_track->i_width / p_track->i_height;
 
@@ -1049,33 +1366,69 @@ static int  TrackCreateES   ( input_thread_t   *p_input,
         break;
     }
 
-    *pp_es = es_out_Add( p_input->p_es_out, &p_track->fmt );
+    *pp_es = es_out_Add( p_demux->out, &p_track->fmt );
 
     return VLC_SUCCESS;
 }
 
-/* given a time it return sample/chunk */
-static int  TrackTimeToSampleChunk( input_thread_t *p_input,
-                                    track_data_mp4_t *p_track,
-                                    uint64_t i_start,
-                                    uint32_t *pi_chunk,
-                                    uint32_t *pi_sample )
+/* given a time it return sample/chunk
+ * it also update elst field of the track
+ */
+static int TrackTimeToSampleChunk( demux_t *p_demux, mp4_track_t *p_track,
+                                   int64_t i_start, uint32_t *pi_chunk,
+                                   uint32_t *pi_sample )
 {
-    MP4_Box_t    *p_stss;
+    demux_sys_t *p_sys = p_demux->p_sys;
+    MP4_Box_t   *p_stss;
     uint64_t     i_dts;
     unsigned int i_sample;
     unsigned int i_chunk;
     int          i_index;
 
-    /* convert absolute time to in timescale unit */
-    i_start = i_start * (mtime_t)p_track->i_timescale / (mtime_t)1000000;
-
     /* FIXME see if it's needed to check p_track->i_chunk_count */
     if( !p_track->b_ok || p_track->i_chunk_count == 0 )
     {
         return( VLC_EGENERIC );
     }
 
+    /* handle elst (find the correct one) */
+    MP4_TrackSetELST( p_demux, p_track, i_start );
+    if( p_track->p_elst && p_track->p_elst->data.p_elst->i_entry_count > 0 )
+    {
+        MP4_Box_data_elst_t *elst = p_track->p_elst->data.p_elst;
+        int64_t i_mvt= i_start * p_sys->i_timescale / (int64_t)1000000;
+
+        /* now calculate i_start for this elst */
+        /* offset */
+        i_start -= p_track->i_elst_time * I64C(1000000) / p_sys->i_timescale;
+        if( i_start < 0 )
+        {
+            *pi_chunk = 0;
+            *pi_sample= 0;
+
+            return VLC_SUCCESS;
+        }
+        /* to track time scale */
+        i_start  = i_start * p_track->i_timescale / (int64_t)1000000;
+        /* add elst offset */
+        if( ( elst->i_media_rate_integer[p_track->i_elst] > 0 ||
+             elst->i_media_rate_fraction[p_track->i_elst] > 0 ) &&
+            elst->i_media_time[p_track->i_elst] > 0 )
+        {
+            i_start += elst->i_media_time[p_track->i_elst];
+        }
+
+        msg_Dbg( p_demux, "elst (%d) gives "I64Fd"ms (movie)-> "I64Fd
+                 "ms (track)", p_track->i_elst,
+                 i_mvt * 1000 / p_sys->i_timescale,
+                 i_start * 1000 / p_track->i_timescale );
+    }
+    else
+    {
+        /* convert absolute time to in timescale unit */
+        i_start = i_start * p_track->i_timescale / (int64_t)1000000;
+    }
+
     /* we start from sample 0/chunk 0, hope it won't take too much time */
     /* *** find good chunk *** */
     for( i_chunk = 0; ; i_chunk++ )
@@ -1117,15 +1470,16 @@ static int  TrackTimeToSampleChunk( input_thread_t *p_input,
             {
                 break;
             }
-            i_sample += ( i_start - i_dts ) / p_track->chunk[i_chunk].p_sample_delta_dts[i_index];
+            i_sample += ( i_start - i_dts ) /
+                p_track->chunk[i_chunk].p_sample_delta_dts[i_index];
             break;
         }
     }
 
     if( i_sample >= p_track->i_sample_count )
     {
-        msg_Warn( p_input,
-                  "track[Id 0x%x] will be disabled (seeking too far) chunk=%d sample=%d",
+        msg_Warn( p_demux, "track[Id 0x%x] will be disabled "
+                  "(seeking too far) chunk=%d sample=%d",
                   p_track->i_track_ID, i_chunk, i_sample );
         return( VLC_EGENERIC );
     }
@@ -1135,7 +1489,7 @@ static int  TrackTimeToSampleChunk( input_thread_t *p_input,
     if( ( p_stss = MP4_BoxGet( p_track->p_stbl, "stss" ) ) )
     {
         unsigned int i_index;
-        msg_Dbg( p_input,
+        msg_Dbg( p_demux,
                     "track[Id 0x%x] using Sync Sample Box (stss)",
                     p_track->i_track_ID );
         for( i_index = 0; i_index < p_stss->data.p_stss->i_entry_count; i_index++ )
@@ -1144,7 +1498,7 @@ static int  TrackTimeToSampleChunk( input_thread_t *p_input,
             {
                 if( i_index > 0 )
                 {
-                    msg_Dbg( p_input, "stts gives %d --> %d (sample number)",
+                    msg_Dbg( p_demux, "stts gives %d --> %d (sample number)",
                             i_sample,
                             p_stss->data.p_stss->i_sample_number[i_index-1] );
                     i_sample = p_stss->data.p_stss->i_sample_number[i_index-1];
@@ -1157,14 +1511,14 @@ static int  TrackTimeToSampleChunk( input_thread_t *p_input,
                 }
                 else
                 {
-                    msg_Dbg( p_input, "stts gives %d --> %d (sample number)",
+                    msg_Dbg( p_demux, "stts gives %d --> %d (sample number)",
                             i_sample,
                             p_stss->data.p_stss->i_sample_number[i_index] );
                     i_sample = p_stss->data.p_stss->i_sample_number[i_index];
                     /* new i_sample is more than old so i_chunk can only increased */
                     while( i_chunk < p_track->i_chunk_count - 1 &&
                            i_sample >= p_track->chunk[i_chunk].i_sample_first +
-                                                p_track->chunk[i_chunk].i_sample_count )
+                             p_track->chunk[i_chunk].i_sample_count )
                     {
                         i_chunk++;
                     }
@@ -1175,42 +1529,40 @@ static int  TrackTimeToSampleChunk( input_thread_t *p_input,
     }
     else
     {
-        msg_Dbg( p_input,
-                    "track[Id 0x%x] does not provide Sync Sample Box (stss)",
-                    p_track->i_track_ID );
+        msg_Dbg( p_demux, "track[Id 0x%x] does not provide Sync "
+                 "Sample Box (stss)", p_track->i_track_ID );
     }
 
-    if( pi_chunk  ) *pi_chunk  = i_chunk;
-    if( pi_sample ) *pi_sample = i_sample;
-    return( VLC_SUCCESS );
+    *pi_chunk  = i_chunk;
+    *pi_sample = i_sample;
+
+    return VLC_SUCCESS;
 }
 
-static int  TrackGotoChunkSample( input_thread_t   *p_input,
-                                  track_data_mp4_t *p_track,
-                                  unsigned int     i_chunk,
-                                  unsigned int     i_sample )
+static int TrackGotoChunkSample( demux_t *p_demux, mp4_track_t *p_track,
+                                 unsigned int i_chunk, unsigned int i_sample )
 {
     vlc_bool_t b_reselect = VLC_FALSE;
 
     /* now see if actual es is ok */
     if( p_track->i_chunk < 0 ||
-        p_track->i_chunk >= p_track->i_chunk_count ||
+        p_track->i_chunk >= p_track->i_chunk_count - 1 ||
         p_track->chunk[p_track->i_chunk].i_sample_description_index !=
             p_track->chunk[i_chunk].i_sample_description_index )
     {
-        msg_Warn( p_input, "Recreate ES" );
+        msg_Warn( p_demux, "recreate ES for track[Id 0x%x]",
+                  p_track->i_track_ID );
 
-        es_out_Control( p_input->p_es_out, ES_OUT_GET_ES_STATE, p_track->p_es, &b_reselect );
+        es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE,
+                        p_track->p_es, &b_reselect );
 
-        es_out_Del( p_input->p_es_out, p_track->p_es );
+        es_out_Del( p_demux->out, p_track->p_es );
 
         p_track->p_es = NULL;
 
-        if( TrackCreateES( p_input,
-                           p_track, i_chunk,
-                           &p_track->p_es ) )
+        if( TrackCreateES( p_demux, p_track, i_chunk, &p_track->p_es ) )
         {
-            msg_Err( p_input, "cannot create es for track[Id 0x%x]",
+            msg_Err( p_demux, "cannot create es for track[Id 0x%x]",
                      p_track->i_track_ID );
 
             p_track->b_ok       = VLC_FALSE;
@@ -1222,7 +1574,7 @@ static int  TrackGotoChunkSample( input_thread_t   *p_input,
     /* select again the new decoder */
     if( b_reselect )
     {
-        es_out_Control( p_input->p_es_out, ES_OUT_SET_ES, p_track->p_es );
+        es_out_Control( p_demux->out, ES_OUT_SET_ES, p_track->p_es );
     }
 
     p_track->i_chunk    = i_chunk;
@@ -1237,15 +1589,17 @@ static int  TrackGotoChunkSample( input_thread_t   *p_input,
  * Parse track information and create all needed data to run a track
  * If it succeed b_ok is set to 1 else to 0
  ****************************************************************************/
-static void MP4_TrackCreate( input_thread_t *p_input,
-                             track_data_mp4_t *p_track,
-                             MP4_Box_t  * p_box_trak )
+static void MP4_TrackCreate( demux_t *p_demux, mp4_track_t *p_track,
+                             MP4_Box_t *p_box_trak )
 {
+    demux_sys_t *p_sys = p_demux->p_sys;
+
     MP4_Box_t *p_tkhd = MP4_BoxGet( p_box_trak, "tkhd" );
     MP4_Box_t *p_tref = MP4_BoxGet( p_box_trak, "tref" );
     MP4_Box_t *p_elst;
 
     MP4_Box_t *p_mdhd;
+    MP4_Box_t *p_udta;
     MP4_Box_t *p_hdlr;
 
     MP4_Box_t *p_vmhd;
@@ -1278,14 +1632,9 @@ static void MP4_TrackCreate( input_thread_t *p_input,
     p_track->i_width = p_tkhd->data.p_tkhd->i_width / 65536;
     p_track->i_height = p_tkhd->data.p_tkhd->i_height / 65536;
 
-    if( ( p_elst = MP4_BoxGet( p_box_trak, "edts/elst" ) ) )
-    {
-/*        msg_Warn( p_input, "unhandled box: edts --> FIXME" ); */
-    }
-
     if( p_tref )
     {
-/*        msg_Warn( p_input, "unhandled box: tref --> FIXME" ); */
+/*        msg_Warn( p_demux, "unhandled box: tref --> FIXME" ); */
     }
 
     p_mdhd = MP4_BoxGet( p_box_trak, "mdia/mdhd" );
@@ -1322,9 +1671,36 @@ static void MP4_TrackCreate( input_thread_t *p_input,
             p_track->fmt.i_cat = VIDEO_ES;
             break;
 
+        case( FOURCC_text ):
+        case( FOURCC_subp ):
+            p_track->fmt.i_cat = SPU_ES;
+            break;
+
         default:
             return;
     }
+
+    p_track->i_elst = 0;
+    p_track->i_elst_time = 0;
+    if( ( p_track->p_elst = p_elst = MP4_BoxGet( p_box_trak, "edts/elst" ) ) )
+    {
+        MP4_Box_data_elst_t *elst = p_elst->data.p_elst;
+        int i;
+
+        msg_Warn( p_demux, "elst box found" );
+        for( i = 0; i < elst->i_entry_count; i++ )
+        {
+            msg_Dbg( p_demux, "   - [%d] duration="I64Fd"ms media time="I64Fd
+                     "ms) rate=%d.%d", i,
+                     elst->i_segment_duration[i] * 1000 / p_sys->i_timescale,
+                     elst->i_media_time[i] >= 0 ?
+                     elst->i_media_time[i] * 1000 / p_track->i_timescale : -1,
+                     elst->i_media_rate_integer[i],
+                     elst->i_media_rate_fraction[i] );
+        }
+    }
+
+
 /*  TODO
     add support for:
     p_dinf = MP4_BoxGet( p_minf, "dinf" );
@@ -1346,6 +1722,23 @@ static void MP4_TrackCreate( input_thread_t *p_input,
         p_track->fmt.psz_language = strdup( language );
     }
 
+    p_udta = MP4_BoxGet( p_box_trak, "udta" );
+    if( p_udta )
+    {
+        MP4_Box_t *p_0xa9xxx;
+        for( p_0xa9xxx = p_udta->p_first; p_0xa9xxx != NULL;
+                 p_0xa9xxx = p_0xa9xxx->p_next )
+        {
+            switch( p_0xa9xxx->i_type )
+            {
+                case FOURCC_0xa9nam:
+                    p_track->fmt.psz_description =
+                        strdup( p_0xa9xxx->data.p_0xa9xxx->psz_text );
+                    break;
+            }
+        }
+    }
+
     /* fxi i_timescale for AUDIO_ES with i_qt_version == 0 */
     if( p_track->fmt.i_cat == AUDIO_ES ) //&& p_track->i_sample_size == 1 )
     {
@@ -1358,7 +1751,7 @@ static void MP4_TrackCreate( input_thread_t *p_input,
             if( p_soun->i_qt_version == 0 &&
                 p_track->i_timescale != p_soun->i_sampleratehi )
             {
-                msg_Warn( p_input,
+                msg_Warn( p_demux,
                           "i_timescale ("I64Fu") != i_sampleratehi (%u) with "
                           "qt_version == 0\n"
                           "Making both equal. (report any problem)",
@@ -1373,8 +1766,8 @@ static void MP4_TrackCreate( input_thread_t *p_input,
     }
 
     /* Create chunk index table and sample index table */
-    if( TrackCreateChunksIndex( p_input,p_track  ) ||
-        TrackCreateSamplesIndex( p_input, p_track ) )
+    if( TrackCreateChunksIndex( p_demux,p_track  ) ||
+        TrackCreateSamplesIndex( p_demux, p_track ) )
     {
         return; /* cannot create chunks index */
     }
@@ -1383,11 +1776,11 @@ static void MP4_TrackCreate( input_thread_t *p_input,
     p_track->i_sample = 0;
 
     /* now create es */
-    if( TrackCreateES( p_input,
+    if( TrackCreateES( p_demux,
                        p_track, p_track->i_chunk,
                        &p_track->p_es ) )
     {
-        msg_Err( p_input, "cannot create es for track[Id 0x%x]",
+        msg_Err( p_demux, "cannot create es for track[Id 0x%x]",
                  p_track->i_track_ID );
         return;
     }
@@ -1397,7 +1790,9 @@ static void MP4_TrackCreate( input_thread_t *p_input,
         int i;
         for( i = 0; i < p_track->i_chunk_count; i++ )
         {
-            fprintf( stderr, "%-5d sample_count=%d pts=%lld\n", i, p_track->chunk[i].i_sample_count, p_track->chunk[i].i_first_dts );
+            fprintf( stderr, "%-5d sample_count=%d pts=%lld\n",
+                     i, p_track->chunk[i].i_sample_count,
+                     p_track->chunk[i].i_first_dts );
 
         }
     }
@@ -1410,8 +1805,7 @@ static void MP4_TrackCreate( input_thread_t *p_input,
  ****************************************************************************
  * Destroy a track created by MP4_TrackCreate.
  ****************************************************************************/
-static void MP4_TrackDestroy( input_thread_t *p_input,
-                              track_data_mp4_t *p_track )
+static void MP4_TrackDestroy( demux_t *p_demux, mp4_track_t *p_track )
 {
     unsigned int i_chunk;
 
@@ -1419,7 +1813,7 @@ static void MP4_TrackDestroy( input_thread_t *p_input,
     p_track->b_enable   = VLC_FALSE;
     p_track->b_selected = VLC_FALSE;
 
-    es_format_Init( &p_track->fmt, UNKNOWN_ES, 0 );
+    es_format_Clean( &p_track->fmt );
 
     for( i_chunk = 0; i_chunk < p_track->i_chunk_count; i_chunk++ )
     {
@@ -1437,47 +1831,25 @@ static void MP4_TrackDestroy( input_thread_t *p_input,
     }
 }
 
-static int  MP4_TrackSelect ( input_thread_t    *p_input,
-                              track_data_mp4_t  *p_track,
-                              mtime_t           i_start )
+static int MP4_TrackSelect( demux_t *p_demux, mp4_track_t *p_track,
+                            mtime_t i_start )
 {
-    uint32_t i_chunk;
-    uint32_t i_sample;
-
     if( !p_track->b_ok )
     {
-        return( VLC_EGENERIC );
+        return VLC_EGENERIC;
     }
 
     if( p_track->b_selected )
     {
-        msg_Warn( p_input,
-                  "track[Id 0x%x] already selected",
-                  p_track->i_track_ID );
-        return( VLC_SUCCESS );
-    }
-
-    if( TrackTimeToSampleChunk( p_input,
-                                p_track, i_start,
-                                &i_chunk, &i_sample ) )
-    {
-        msg_Warn( p_input,
-                  "cannot select track[Id 0x%x]",
+        msg_Warn( p_demux, "track[Id 0x%x] already selected",
                   p_track->i_track_ID );
-        return( VLC_EGENERIC );
+        return VLC_SUCCESS;
     }
 
-    p_track->b_selected = VLC_TRUE;
-
-    if( TrackGotoChunkSample( p_input, p_track, i_chunk, i_sample ) )
-    {
-        p_track->b_selected = VLC_FALSE;
-    }
-    return p_track->b_selected ? VLC_SUCCESS : VLC_EGENERIC;
+    return MP4_TrackSeek( p_demux, p_track, i_start );
 }
 
-static void MP4_TrackUnselect(input_thread_t    *p_input,
-                              track_data_mp4_t  *p_track )
+static void MP4_TrackUnselect( demux_t *p_demux, mp4_track_t *p_track )
 {
     if( !p_track->b_ok )
     {
@@ -1486,22 +1858,21 @@ static void MP4_TrackUnselect(input_thread_t    *p_input,
 
     if( !p_track->b_selected )
     {
-        msg_Warn( p_input,
-                  "track[Id 0x%x] already unselected",
+        msg_Warn( p_demux, "track[Id 0x%x] already unselected",
                   p_track->i_track_ID );
         return;
     }
     if( p_track->p_es )
     {
-        es_out_Control( p_input->p_es_out, ES_OUT_SET_ES_STATE, p_track->p_es, VLC_FALSE );
+        es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE,
+                        p_track->p_es, VLC_FALSE );
     }
 
     p_track->b_selected = VLC_FALSE;
 }
 
-static int  MP4_TrackSeek   ( input_thread_t    *p_input,
-                              track_data_mp4_t  *p_track,
-                              mtime_t           i_start )
+static int MP4_TrackSeek( demux_t *p_demux, mp4_track_t *p_track,
+                          mtime_t i_start )
 {
     uint32_t i_chunk;
     uint32_t i_sample;
@@ -1511,33 +1882,33 @@ static int  MP4_TrackSeek   ( input_thread_t    *p_input,
         return( VLC_EGENERIC );
     }
 
-    if( TrackTimeToSampleChunk( p_input,
-                                p_track, i_start,
+    p_track->b_selected = VLC_FALSE;
+
+    if( TrackTimeToSampleChunk( p_demux, p_track, i_start,
                                 &i_chunk, &i_sample ) )
     {
-        msg_Warn( p_input,
-                  "cannot select track[Id 0x%x]",
+        msg_Warn( p_demux, "cannot select track[Id 0x%x]",
                   p_track->i_track_ID );
         return( VLC_EGENERIC );
     }
 
     p_track->b_selected = VLC_TRUE;
 
-    TrackGotoChunkSample( p_input, p_track, i_chunk, i_sample );
-
+    if( TrackGotoChunkSample( p_demux, p_track, i_chunk, i_sample ) ==
+        VLC_SUCCESS )
+    {
+        p_track->b_selected = VLC_TRUE;
+    }
     return( p_track->b_selected ? VLC_SUCCESS : VLC_EGENERIC );
 }
 
 
-
-
-
 /*
  * 3 types: for audio
  * 
  */
-#define QT_V0_MAX_SAMPLES    1500
-static int  MP4_TrackSampleSize( track_data_mp4_t   *p_track )
+#define QT_V0_MAX_SAMPLES 1024
+static int MP4_TrackSampleSize( mp4_track_t *p_track )
 {
     int i_size;
     MP4_Box_data_sample_soun_t *p_soun;
@@ -1545,58 +1916,58 @@ static int  MP4_TrackSampleSize( track_data_mp4_t   *p_track )
     if( p_track->i_sample_size == 0 )
     {
         /* most simple case */
-        return( p_track->p_sample_size[p_track->i_sample] );
+        return p_track->p_sample_size[p_track->i_sample];
     }
     if( p_track->fmt.i_cat != AUDIO_ES )
     {
-        return( p_track->i_sample_size );
-    }
-
-    if( p_track->i_sample_size != 1 )
-    {
-        //msg_Warn( p_input, "SampleSize != 1" );
-        return( p_track->i_sample_size );
+        return p_track->i_sample_size;
     }
 
     p_soun = p_track->p_sample->data.p_sample_soun;
 
     if( p_soun->i_qt_version == 1 )
     {
-        i_size = p_track->chunk[p_track->i_chunk].i_sample_count / p_soun->i_sample_per_packet * p_soun->i_bytes_per_frame;
+        i_size = p_track->chunk[p_track->i_chunk].i_sample_count /
+            p_soun->i_sample_per_packet * p_soun->i_bytes_per_frame;
+    }
+    else if( p_track->i_sample_size > 256 )
+    {
+        /* We do that so we don't read too much data
+         * (in this case we are likely dealing with compressed data) */
+        i_size = p_track->i_sample_size;
     }
     else
     {
-        /* FIXME */
+        /* Read a bunch of samples at once */
         int i_samples = p_track->chunk[p_track->i_chunk].i_sample_count -
-                ( p_track->i_sample - p_track->chunk[p_track->i_chunk].i_sample_first );
-        if( i_samples > QT_V0_MAX_SAMPLES )
-        {
-            i_samples = QT_V0_MAX_SAMPLES;
-        }
-        i_size = i_samples * p_soun->i_channelcount * p_soun->i_samplesize / 8;
+            ( p_track->i_sample -
+              p_track->chunk[p_track->i_chunk].i_sample_first );
+
+        i_samples = __MIN( QT_V0_MAX_SAMPLES, i_samples );
+        i_size = i_samples * p_track->i_sample_size;
     }
 
     //fprintf( stderr, "size=%d\n", i_size );
-    return( i_size );
+    return i_size;
 }
 
-
-static uint64_t MP4_GetTrackPos( track_data_mp4_t *p_track )
+static uint64_t MP4_TrackGetPos( mp4_track_t *p_track )
 {
     unsigned int i_sample;
     uint64_t i_pos;
 
-
     i_pos = p_track->chunk[p_track->i_chunk].i_offset;
 
     if( p_track->i_sample_size )
     {
-        MP4_Box_data_sample_soun_t *p_soun = p_track->p_sample->data.p_sample_soun;
+        MP4_Box_data_sample_soun_t *p_soun =
+            p_track->p_sample->data.p_sample_soun;
 
         if( p_soun->i_qt_version == 0 )
         {
-            i_pos += ( p_track->i_sample - p_track->chunk[p_track->i_chunk].i_sample_first ) *
-                        p_soun->i_channelcount * p_soun->i_samplesize / 8;
+            i_pos += ( p_track->i_sample -
+                       p_track->chunk[p_track->i_chunk].i_sample_first ) *
+                     p_track->i_sample_size;
         }
         else
         {
@@ -1607,21 +1978,18 @@ static uint64_t MP4_GetTrackPos( track_data_mp4_t *p_track )
     else
     {
         for( i_sample = p_track->chunk[p_track->i_chunk].i_sample_first;
-                i_sample < p_track->i_sample; i_sample++ )
+             i_sample < p_track->i_sample; i_sample++ )
         {
             i_pos += p_track->p_sample_size[i_sample];
         }
-
     }
-    return( i_pos );
+
+    return i_pos;
 }
 
-static int  MP4_TrackNextSample( input_thread_t     *p_input,
-                                 track_data_mp4_t   *p_track )
+static int MP4_TrackNextSample( demux_t *p_demux, mp4_track_t *p_track )
 {
-
-    if( p_track->fmt.i_cat == AUDIO_ES &&
-        p_track->i_sample_size != 0 )
+    if( p_track->fmt.i_cat == AUDIO_ES && p_track->i_sample_size != 0 )
     {
         MP4_Box_data_sample_soun_t *p_soun;
 
@@ -1634,11 +2002,19 @@ static int  MP4_TrackNextSample( input_thread_t     *p_input,
                 p_track->chunk[p_track->i_chunk].i_sample_first +
                 p_track->chunk[p_track->i_chunk].i_sample_count;
         }
+        else if( p_track->i_sample_size > 256 )
+        {
+            /* We do that so we don't read too much data
+             * (in this case we are likely dealing with compressed data) */
+            p_track->i_sample += 1;
+        }
         else
         {
             /* FIXME */
             p_track->i_sample += QT_V0_MAX_SAMPLES;
-            if( p_track->i_sample > p_track->chunk[p_track->i_chunk].i_sample_first + p_track->chunk[p_track->i_chunk].i_sample_count )
+            if( p_track->i_sample >
+                p_track->chunk[p_track->i_chunk].i_sample_first +
+                p_track->chunk[p_track->i_chunk].i_sample_count )
             {
                 p_track->i_sample =
                     p_track->chunk[p_track->i_chunk].i_sample_first +
@@ -1654,9 +2030,9 @@ static int  MP4_TrackNextSample( input_thread_t     *p_input,
     if( p_track->i_sample >= p_track->i_sample_count )
     {
         /* we have reach end of the track so free decoder stuff */
-        msg_Warn( p_input, "track[0x%x] will be disabled", p_track->i_track_ID );
-        MP4_TrackUnselect( p_input, p_track );
-        return( VLC_EGENERIC );
+        msg_Warn( p_demux, "track[0x%x] will be disabled", p_track->i_track_ID );
+        MP4_TrackUnselect( p_demux, p_track );
+        return VLC_EGENERIC;
     }
 
     /* Have we changed chunk ? */
@@ -1664,18 +2040,76 @@ static int  MP4_TrackNextSample( input_thread_t     *p_input,
             p_track->chunk[p_track->i_chunk].i_sample_first +
             p_track->chunk[p_track->i_chunk].i_sample_count )
     {
-        if( TrackGotoChunkSample( p_input,
-                                  p_track,
-                                  p_track->i_chunk + 1,
+        if( TrackGotoChunkSample( p_demux, p_track, p_track->i_chunk + 1,
                                   p_track->i_sample ) )
         {
-            msg_Warn( p_input, "track[0x%x] will be disabled (cannot restart decoder)", p_track->i_track_ID );
-            MP4_TrackUnselect( p_input, p_track );
-            return( VLC_EGENERIC );
+            msg_Warn( p_demux, "track[0x%x] will be disabled "
+                      "(cannot restart decoder)", p_track->i_track_ID );
+            MP4_TrackUnselect( p_demux, p_track );
+            return VLC_EGENERIC;
+        }
+    }
+
+    /* Have we changed elst */
+    if( p_track->p_elst && p_track->p_elst->data.p_elst->i_entry_count > 0 )
+    {
+        demux_sys_t *p_sys = p_demux->p_sys;
+        MP4_Box_data_elst_t *elst = p_track->p_elst->data.p_elst;
+        int64_t i_mvt = MP4_TrackGetPTS( p_demux, p_track ) *
+                        p_sys->i_timescale / (int64_t)1000000;
+
+        if( p_track->i_elst < elst->i_entry_count &&
+            i_mvt >= p_track->i_elst_time +
+                     elst->i_segment_duration[p_track->i_elst] )
+        {
+            MP4_TrackSetELST( p_demux, p_track,
+                              MP4_TrackGetPTS( p_demux, p_track ) );
         }
     }
 
-    return( VLC_SUCCESS );
+    return VLC_SUCCESS;
 }
 
+static void MP4_TrackSetELST( demux_t *p_demux, mp4_track_t *tk,
+                              int64_t i_time )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    int         i_elst_last = tk->i_elst;
 
+    /* handle elst (find the correct one) */
+    tk->i_elst      = 0;
+    tk->i_elst_time = 0;
+    if( tk->p_elst && tk->p_elst->data.p_elst->i_entry_count > 0 )
+    {
+        MP4_Box_data_elst_t *elst = tk->p_elst->data.p_elst;
+        int64_t i_mvt= i_time * p_sys->i_timescale / (int64_t)1000000;
+
+        for( tk->i_elst = 0; tk->i_elst < elst->i_entry_count; tk->i_elst++ )
+        {
+            mtime_t i_dur = elst->i_segment_duration[tk->i_elst];
+
+            if( tk->i_elst_time <= i_mvt && i_mvt < tk->i_elst_time + i_dur )
+            {
+                break;
+            }
+            tk->i_elst_time += i_dur;
+        }
+
+        if( tk->i_elst >= elst->i_entry_count )
+        {
+            /* msg_Dbg( p_demux, "invalid number of entry in elst" ); */
+            tk->i_elst = elst->i_entry_count - 1;
+            tk->i_elst_time -= elst->i_segment_duration[tk->i_elst];
+        }
+
+        if( elst->i_media_time[tk->i_elst] < 0 )
+        {
+            /* track offset */
+            tk->i_elst_time += elst->i_segment_duration[tk->i_elst];
+        }
+    }
+    if( i_elst_last != tk->i_elst )
+    {
+        msg_Warn( p_demux, "elst old=%d new=%d", i_elst_last, tk->i_elst );
+    }
+}