]> git.sesse.net Git - vlc/blobdiff - src/input/input_programs.c
* all: better handling of multiple (video) tracks.
[vlc] / src / input / input_programs.c
index 4b3b3fe804b43fa3206d237b1de0f5a0079eefae..a2467100d29c1b0045d0799b04a0683430c1e3f3 100644 (file)
@@ -2,7 +2,7 @@
  * input_programs.c: es_descriptor_t, pgrm_descriptor_t management
  *****************************************************************************
  * Copyright (C) 1999-2002 VideoLAN
- * $Id: input_programs.c,v 1.96 2002/11/05 18:25:43 gbazin Exp $
+ * $Id: input_programs.c,v 1.125 2003/11/29 11:12:46 fenrir Exp $
  *
  * Authors: Christophe Massiot <massiot@via.ecp.fr>
  *
@@ -10,7 +10,7 @@
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
- * 
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -26,7 +26,6 @@
  *****************************************************************************/
 #include <stdlib.h>
 #include <string.h>                                    /* memcpy(), memset() */
-#include <sys/types.h>                                              /* off_t */
 
 #include <vlc/vlc.h>
 
  * p_input->stream.lock
  */
 
+/* Navigation callbacks */
+static int ProgramCallback( vlc_object_t *, char const *,
+                            vlc_value_t, vlc_value_t, void * );
+static int TitleCallback( vlc_object_t *, char const *,
+                          vlc_value_t, vlc_value_t, void * );
+static int ChapterCallback( vlc_object_t *, char const *,
+                            vlc_value_t, vlc_value_t, void * );
+static int NavigationCallback( vlc_object_t *, char const *,
+                               vlc_value_t, vlc_value_t, void * );
+static int ESCallback( vlc_object_t *, char const *,
+                       vlc_value_t, vlc_value_t, void * );
+
+static es_format_t null_es_format = {0};
+
 /*****************************************************************************
  * input_InitStream: init the stream descriptor of the given input
  *****************************************************************************/
 int input_InitStream( input_thread_t * p_input, size_t i_data_len )
 {
+    vlc_value_t text,val;
 
     p_input->stream.i_stream_id = 0;
 
@@ -58,7 +72,7 @@ int input_InitStream( input_thread_t * p_input, size_t i_data_len )
     p_input->stream.pp_programs = NULL;
     p_input->stream.p_selected_program = NULL;
     p_input->stream.p_new_program = NULL;
-    
+
     if( i_data_len )
     {
         if ( (p_input->stream.p_demux_data = malloc( i_data_len )) == NULL )
@@ -73,6 +87,44 @@ int input_InitStream( input_thread_t * p_input, size_t i_data_len )
         p_input->stream.p_demux_data = NULL;
     }
 
+    var_Create( p_input, "intf-change", VLC_VAR_BOOL );
+    val.b_bool = VLC_TRUE;
+    var_Set( p_input, "intf-change", val );
+
+    /* Create a few object variables used for navigation in the interfaces */
+    var_Create( p_input, "program", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
+    text.psz_string = _("Program");
+    var_Change( p_input, "program", VLC_VAR_SETTEXT, &text, NULL );
+
+    var_Create( p_input, "title", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
+    text.psz_string = _("Title");
+    var_Change( p_input, "title", VLC_VAR_SETTEXT, &text, NULL );
+
+    var_Create( p_input, "chapter", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
+    text.psz_string = _("Chapter");
+    var_Change( p_input, "chapter", VLC_VAR_SETTEXT, &text, NULL );
+
+    var_Create( p_input, "navigation", VLC_VAR_VARIABLE | VLC_VAR_HASCHOICE );
+    text.psz_string = _("Navigation");
+    var_Change( p_input, "navigation", VLC_VAR_SETTEXT, &text, NULL );
+
+    var_Create( p_input, "video-es", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
+    text.psz_string = _("Video track");
+    var_Change( p_input, "video-es", VLC_VAR_SETTEXT, &text, NULL );
+    var_Create( p_input, "audio-es", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
+    text.psz_string = _("Audio track");
+    var_Change( p_input, "audio-es", VLC_VAR_SETTEXT, &text, NULL );
+    var_Create( p_input, "spu-es", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
+    text.psz_string = _("Subtitles track");
+    var_Change( p_input, "spu-es", VLC_VAR_SETTEXT, &text, NULL );
+
+    var_AddCallback( p_input, "program", ProgramCallback, NULL );
+    var_AddCallback( p_input, "title", TitleCallback, NULL );
+    var_AddCallback( p_input, "chapter", ChapterCallback, NULL );
+    var_AddCallback( p_input, "video-es", ESCallback, NULL );
+    var_AddCallback( p_input, "audio-es", ESCallback, NULL );
+    var_AddCallback( p_input, "spu-es", ESCallback, NULL );
+
     return 0;
 }
 
@@ -104,19 +156,29 @@ void input_EndStream( input_thread_t * p_input )
     {
         free( p_input->stream.pp_selected_es );
     }
-    
+
     if( p_input->stream.p_demux_data != NULL )
     {
         free( p_input->stream.p_demux_data );
     }
+
+    /* Free navigation variables */
+    var_Destroy( p_input, "program" );
+    var_Destroy( p_input, "title" );
+    var_Destroy( p_input, "chapter" );
+    var_Destroy( p_input, "video-es" );
+    var_Destroy( p_input, "audio-es" );
+    var_Destroy( p_input, "spu-es" );
+    var_Destroy( p_input, "intf-change" );
 }
 
 /*****************************************************************************
  * input_FindProgram: returns a pointer to a program described by its ID
  *****************************************************************************/
-pgrm_descriptor_t * input_FindProgram( input_thread_t * p_input, u16 i_pgrm_id )
+pgrm_descriptor_t * input_FindProgram( input_thread_t * p_input,
+                                       uint16_t i_pgrm_id )
 {
-    int     i;
+    unsigned int i;
 
     for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
     {
@@ -135,10 +197,11 @@ pgrm_descriptor_t * input_FindProgram( input_thread_t * p_input, u16 i_pgrm_id )
  * This program descriptor will be referenced in the given stream descriptor
  *****************************************************************************/
 pgrm_descriptor_t * input_AddProgram( input_thread_t * p_input,
-                                      u16 i_pgrm_id, size_t i_data_len )
+                                      uint16_t i_pgrm_id, size_t i_data_len )
 {
     /* Where to add the pgrm */
     pgrm_descriptor_t * p_pgrm = malloc( sizeof(pgrm_descriptor_t) );
+    vlc_value_t val;
 
     if( p_pgrm == NULL )
     {
@@ -179,6 +242,9 @@ pgrm_descriptor_t * input_AddProgram( input_thread_t * p_input,
                  p_input->stream.i_pgrm_number,
                  p_pgrm );
 
+    val.i_int = i_pgrm_id;
+    var_Change( p_input, "program", VLC_VAR_ADDCHOICE, &val, NULL );
+
     return p_pgrm;
 }
 
@@ -189,7 +255,8 @@ pgrm_descriptor_t * input_AddProgram( input_thread_t * p_input,
  *****************************************************************************/
 void input_DelProgram( input_thread_t * p_input, pgrm_descriptor_t * p_pgrm )
 {
-    int i_pgrm_index;
+    unsigned int i_pgrm_index;
+    vlc_value_t val;
 
     /* Find the program in the programs table */
     for( i_pgrm_index = 0; i_pgrm_index < p_input->stream.i_pgrm_number;
@@ -206,6 +273,9 @@ void input_DelProgram( input_thread_t * p_input, pgrm_descriptor_t * p_pgrm )
         return;
     }
 
+    val.i_int = p_input->stream.pp_programs[i_pgrm_index]->i_number;
+    var_Change( p_input, "program", VLC_VAR_DELCHOICE, &val, NULL );
+
     /* Free the structures that describe the es that belongs to that program */
     while( p_pgrm->i_es_number )
     {
@@ -223,6 +293,9 @@ void input_DelProgram( input_thread_t * p_input, pgrm_descriptor_t * p_pgrm )
                  p_input->stream.i_pgrm_number,
                  i_pgrm_index );
 
+    if( p_pgrm == p_input->stream.p_selected_program )
+        p_input->stream.p_selected_program = NULL;
+
     /* Free the description of this program */
     free( p_pgrm );
 }
@@ -232,10 +305,13 @@ void input_DelProgram( input_thread_t * p_input, pgrm_descriptor_t * p_pgrm )
  *****************************************************************************
  * This area descriptor will be referenced in the given stream descriptor
  *****************************************************************************/
-input_area_t * input_AddArea( input_thread_t * p_input )
+input_area_t * input_AddArea( input_thread_t * p_input,
+                              uint16_t i_area_id, uint16_t i_part_nb )
 {
     /* Where to add the pgrm */
     input_area_t * p_area = malloc( sizeof(input_area_t) );
+    vlc_value_t val;
+    int i;
 
     if( p_area == NULL )
     {
@@ -244,13 +320,13 @@ input_area_t * input_AddArea( input_thread_t * p_input )
     }
 
     /* Init this entry */
-    p_area->i_id = 0;
+    p_area->i_id = i_area_id;
+    p_area->i_part_nb = i_part_nb;
+    p_area->i_part= 0;
     p_area->i_start = 0;
     p_area->i_size = 0;
     p_area->i_tell = 0;
     p_area->i_seek = NO_SEEK;
-    p_area->i_part_nb = 1;
-    p_area->i_part= 0;
 
     /* Add an entry to the list of program associated with the stream */
     INSERT_ELEM( p_input->stream.pp_areas,
@@ -258,6 +334,75 @@ input_area_t * input_AddArea( input_thread_t * p_input )
                  p_input->stream.i_area_nb,
                  p_area );
 
+    /* Don't add empty areas */
+    if( i_part_nb == 0 )
+        return NULL;
+
+    /* Take care of the navigation variables */
+    val.i_int = i_area_id;
+    var_Change( p_input, "title", VLC_VAR_ADDCHOICE, &val, NULL );
+
+    val.psz_string = malloc( sizeof("title ") + 5 );
+    if( val.psz_string )
+    {
+        vlc_value_t val2, text, text2;
+
+        sprintf( val.psz_string, "title %2i", i_area_id );
+        var_Destroy( p_input, val.psz_string );
+        var_Create( p_input, val.psz_string, VLC_VAR_INTEGER |
+                    VLC_VAR_HASCHOICE | VLC_VAR_ISCOMMAND );
+        var_AddCallback( p_input, val.psz_string, NavigationCallback,
+                         (void *)(int)i_area_id );
+
+        text.psz_string = malloc( strlen( _("Title %i") ) + 20 );
+        if( text.psz_string )
+            sprintf( text.psz_string, _("Title %i"), i_area_id );
+
+        var_Change( p_input, "navigation", VLC_VAR_ADDCHOICE, &val, &text );
+
+        if( text.psz_string ) free( text.psz_string );
+
+        text2.psz_string = malloc( strlen( _("Chapter %i") ) + 20 );
+
+        for( i = 1; i <= i_part_nb; i++ )
+        {
+            val2.i_int = i;
+
+            if( text2.psz_string )
+                sprintf( text2.psz_string, _("Chapter %i"), i );
+
+            var_Change( p_input, val.psz_string,
+                        VLC_VAR_ADDCHOICE, &val2, &text2 );
+        }
+
+        if( text2.psz_string ) free( text2.psz_string );
+        free( val.psz_string );
+    }
+
+    if( p_input->stream.i_area_nb == 2 )
+    {
+        vlc_value_t text;
+
+        /* Add another bunch of navigation object variables */
+        var_Create( p_input, "next-title", VLC_VAR_VOID );
+        text.psz_string = _("Next title");
+        var_Change( p_input, "next-title", VLC_VAR_SETTEXT, &text, NULL );
+        var_Create( p_input, "prev-title", VLC_VAR_VOID );
+        text.psz_string = _("Previous title");
+        var_Change( p_input, "prev-title", VLC_VAR_SETTEXT, &text, NULL );
+        var_AddCallback( p_input, "next-title", TitleCallback, NULL );
+        var_AddCallback( p_input, "prev-title", TitleCallback, NULL );
+
+        var_Create( p_input, "next-chapter", VLC_VAR_VOID );
+        text.psz_string = _("Next Chapter");
+        var_Change( p_input, "next-chapter", VLC_VAR_SETTEXT, &text, NULL );
+        var_Create( p_input, "prev-chapter", VLC_VAR_VOID );
+        text.psz_string = _("Previous Chapter");
+        var_Change( p_input, "prev-chapter", VLC_VAR_SETTEXT, &text, NULL );
+        var_AddCallback( p_input, "next-chapter", ChapterCallback, NULL );
+        var_AddCallback( p_input, "prev-chapter", ChapterCallback, NULL );
+    }
+
     return p_area;
 }
 
@@ -266,11 +411,12 @@ input_area_t * input_AddArea( input_thread_t * p_input )
  *****************************************************************************/
 int input_SetProgram( input_thread_t * p_input, pgrm_descriptor_t * p_new_prg )
 {
-    int i_es_index;
+    unsigned int i_es_index;
     int i_required_audio_es;
     int i_required_spu_es;
     int i_audio_es = 0;
     int i_spu_es = 0;
+    vlc_value_t val;
 
     if ( p_input->stream.p_selected_program )
     {
@@ -280,18 +426,21 @@ int input_SetProgram( input_thread_t * p_input, pgrm_descriptor_t * p_new_prg )
                 i_es_index ++ )
         {
 #define p_es p_input->stream.p_selected_program->pp_es[i_es_index]
-            if ( p_es->p_decoder_fifo ) /* if the ES was selected */
+            if ( p_es->p_dec ) /* if the ES was selected */
             {
                 input_UnselectES( p_input , p_es );
             }
 #undef p_es
         }
     }
+
     /* Get the number of the required audio stream */
-    if( config_GetInt( p_input, "audio" ) )
+    var_Get( p_input, "audio", &val );
+    if( val.b_bool )
     {
         /* Default is the first one */
-        i_required_audio_es = config_GetInt( p_input, "audio-channel" );
+        var_Get( p_input, "audio-channel", &val );
+        i_required_audio_es = val.i_int;
         if( i_required_audio_es < 0 )
         {
             i_required_audio_es = 1;
@@ -303,10 +452,12 @@ int input_SetProgram( input_thread_t * p_input, pgrm_descriptor_t * p_new_prg )
     }
 
     /* Same thing for subtitles */
-    if( config_GetInt( p_input, "video" ) )
+    var_Get( p_input, "video", &val );
+    if( val.b_bool )
     {
         /* for spu, default is none */
-        i_required_spu_es = config_GetInt( p_input, "spu-channel" );
+        var_Get( p_input, "spu-channel", &val );
+        i_required_spu_es = val.i_int;
         if( i_required_spu_es < 0 )
         {
             i_required_spu_es = 0;
@@ -322,7 +473,7 @@ int input_SetProgram( input_thread_t * p_input, pgrm_descriptor_t * p_new_prg )
         switch( p_new_prg->pp_es[i_es_index]->i_cat )
         {
             case VIDEO_ES:
-                msg_Dbg( p_input, "selecting ES %x",
+                msg_Dbg( p_input, "selecting video ES %x",
                          p_new_prg->pp_es[i_es_index]->i_id );
                 input_SelectES( p_input, p_new_prg->pp_es[i_es_index] );
                 break;
@@ -330,7 +481,7 @@ int input_SetProgram( input_thread_t * p_input, pgrm_descriptor_t * p_new_prg )
                 i_audio_es += 1;
                 if( i_audio_es <= i_required_audio_es )
                 {
-                    msg_Dbg( p_input, "selecting ES %x",
+                    msg_Dbg( p_input, "selecting audio ES %x",
                              p_new_prg->pp_es[i_es_index]->i_id );
                     input_SelectES( p_input, p_new_prg->pp_es[i_es_index]);
                 }
@@ -340,7 +491,7 @@ int input_SetProgram( input_thread_t * p_input, pgrm_descriptor_t * p_new_prg )
                 i_spu_es += 1;
                 if( i_spu_es <= i_required_spu_es )
                 {
-                    msg_Dbg( p_input, "selecting ES %x",
+                    msg_Dbg( p_input, "selecting spu ES %x",
                              p_new_prg->pp_es[i_es_index]->i_id );
                     input_SelectES( p_input, p_new_prg->pp_es[i_es_index] );
                 }
@@ -353,13 +504,15 @@ int input_SetProgram( input_thread_t * p_input, pgrm_descriptor_t * p_new_prg )
 
     }
 
-
     p_input->stream.p_selected_program = p_new_prg;
 
+    /* Update the navigation variables without triggering a callback */
+    val.i_int = p_new_prg->i_number;
+    var_Change( p_input, "program", VLC_VAR_SETVALUE, &val, NULL );
+
     return( 0 );
 }
 
-
 /*****************************************************************************
  * input_DelArea: destroy a area descriptor
  *****************************************************************************
@@ -367,7 +520,8 @@ int input_SetProgram( input_thread_t * p_input, pgrm_descriptor_t * p_new_prg )
  *****************************************************************************/
 void input_DelArea( input_thread_t * p_input, input_area_t * p_area )
 {
-    int i_area_index;
+    unsigned int i_area_index;
+    vlc_value_t val;
 
     /* Find the area in the areas table */
     for( i_area_index = 0; i_area_index < p_input->stream.i_area_nb;
@@ -384,6 +538,17 @@ void input_DelArea( input_thread_t * p_input, input_area_t * p_area )
         return;
     }
 
+    /* Take care of the navigation variables */
+    val.psz_string = malloc( sizeof("title ") + 5 );
+    if( val.psz_string )
+    {
+        sprintf( val.psz_string, "title %i", p_area->i_id );
+        var_Change( p_input, "navigation", VLC_VAR_DELCHOICE, &val, NULL );
+        var_Destroy( p_input, val.psz_string );
+
+        free( val.psz_string );
+    }
+
     /* Remove this area from the stream's list of areas */
     REMOVE_ELEM( p_input->stream.pp_areas,
                  p_input->stream.i_area_nb,
@@ -391,15 +556,24 @@ void input_DelArea( input_thread_t * p_input, input_area_t * p_area )
 
     /* Free the description of this area */
     free( p_area );
+
+    if( p_input->stream.i_area_nb == 1 )
+    {
+        /* Del unneeded navigation object variables */
+        var_Destroy( p_input, "next-title" );
+        var_Destroy( p_input, "prev-title" );
+        var_Destroy( p_input, "next-chapter" );
+        var_Destroy( p_input, "prev-chapter" );
+    }
 }
 
 
 /*****************************************************************************
  * input_FindES: returns a pointer to an ES described by its ID
  *****************************************************************************/
-es_descriptor_t * input_FindES( input_thread_t * p_input, u16 i_es_id )
+es_descriptor_t * input_FindES( input_thread_t * p_input, uint16_t i_es_id )
 {
-    int     i;
+    unsigned int i;
 
     for( i = 0; i < p_input->stream.i_es_number; i++ )
     {
@@ -420,10 +594,13 @@ es_descriptor_t * input_FindES( input_thread_t * p_input, u16 i_es_id )
  * alone (PSI ?)
  *****************************************************************************/
 es_descriptor_t * input_AddES( input_thread_t * p_input,
-                               pgrm_descriptor_t * p_pgrm, u16 i_es_id,
+                               pgrm_descriptor_t * p_pgrm, uint16_t i_es_id,
+                               int i_category, char const *psz_desc,
                                size_t i_data_len )
 {
     es_descriptor_t * p_es;
+    vlc_value_t val, text;
+    char *psz_var = NULL;
 
     p_es = (es_descriptor_t *)malloc( sizeof(es_descriptor_t) );
     if( p_es == NULL )
@@ -439,13 +616,14 @@ es_descriptor_t * input_AddES( input_thread_t * p_input,
 
     /* Init its values */
     p_es->i_id = i_es_id;
-    p_es->psz_desc[0] = '\0';
     p_es->p_pes = NULL;
-    p_es->p_decoder_fifo = NULL;
-    p_es->i_cat = UNKNOWN_ES;
+    p_es->p_dec = NULL;
+    p_es->i_cat = i_category;
     p_es->i_demux_fd = 0;
     p_es->c_packets = 0;
     p_es->c_invalid_packets = 0;
+    p_es->b_force_decoder = VLC_FALSE;
+    p_es->fmt = null_es_format;
 
     if( i_data_len )
     {
@@ -461,6 +639,9 @@ es_descriptor_t * input_AddES( input_thread_t * p_input,
     {
         p_es->p_demux_data = NULL;
     }
+    p_es->p_waveformatex     = NULL;
+    p_es->p_bitmapinfoheader = NULL;
+    p_es->p_spuinfo = NULL;
 
     /* Add this ES to the program definition if one is given */
     if( p_pgrm )
@@ -476,6 +657,51 @@ es_descriptor_t * input_AddES( input_thread_t * p_input,
         p_es->p_pgrm = NULL;
     }
 
+    switch( i_category )
+    {
+    case AUDIO_ES:
+        psz_var = "audio-es";
+        break;
+    case SPU_ES:
+        psz_var = "spu-es";
+        break;
+    case VIDEO_ES:
+        psz_var = "video-es";
+        break;
+    }
+
+    if( psz_var )
+    {
+        /* Get the number of ES already added */
+        var_Change( p_input, psz_var, VLC_VAR_CHOICESCOUNT, &val, NULL );
+        if( val.i_int == 0 )
+        {
+            vlc_value_t val2;
+
+            /* First one, we need to add the "Disable" choice */
+            val2.i_int = -1; text.psz_string = _("Disable");
+            var_Change( p_input, psz_var, VLC_VAR_ADDCHOICE, &val2, &text );
+            val.i_int++;
+        }
+
+        /* Take care of the ES description */
+        if( psz_desc && *psz_desc )
+        {
+            p_es->psz_desc = strdup( psz_desc );
+        }
+        else
+        {
+            p_es->psz_desc = malloc( strlen( _("Track %i") ) + 20 );
+            if( p_es->psz_desc )
+                sprintf( p_es->psz_desc, _("Track %i"), val.i_int );
+        }
+
+        val.i_int = p_es->i_id;
+        text.psz_string = p_es->psz_desc;
+        var_Change( p_input, psz_var, VLC_VAR_ADDCHOICE, &val, &text );
+    }
+    else p_es->psz_desc = NULL;
+
     return p_es;
 }
 
@@ -484,8 +710,10 @@ es_descriptor_t * input_AddES( input_thread_t * p_input,
  *****************************************************************************/
 void input_DelES( input_thread_t * p_input, es_descriptor_t * p_es )
 {
-    int                     i_index, i_es_index;
+    unsigned int            i_index, i_es_index;
     pgrm_descriptor_t *     p_pgrm;
+    char *                  psz_var = NULL;
+    vlc_value_t             val;
 
     /* Find the ES in the ES table */
     for( i_es_index = 0; i_es_index < p_input->stream.i_es_number;
@@ -502,16 +730,43 @@ void input_DelES( input_thread_t * p_input, es_descriptor_t * p_es )
         return;
     }
 
-    p_pgrm = p_es->p_pgrm;
+    /* Remove es from its associated variable */
+    switch( p_es->i_cat )
+    {
+    case AUDIO_ES:
+        psz_var = "audio-es";
+        break;
+    case SPU_ES:
+        psz_var = "spu-es";
+        break;
+    case VIDEO_ES:
+        psz_var = "video-es";
+        break;
+    }
+
+    if( psz_var )
+    {
+        val.i_int = p_es->i_id;
+        var_Change( p_input, psz_var, VLC_VAR_DELCHOICE, &val, NULL );
+
+        /* Remove the "Disable" entry if needed */
+        var_Change( p_input, psz_var, VLC_VAR_CHOICESCOUNT, &val, NULL );
+        if( val.i_int == 1 )
+        {
+            val.i_int = -1;
+            var_Change( p_input, psz_var, VLC_VAR_DELCHOICE, &val, NULL );
+        }
+    }
 
     /* Kill associated decoder, if any. */
-    if( p_es->p_decoder_fifo != NULL )
+    if( p_es->p_dec != NULL )
     {
-        input_EndDecoder( p_input, p_es );
+        input_UnselectES( p_input, p_es );
     }
 
-    /* Remove this ES from the description of the program if it is associated to
-     * one */
+    /* Remove this ES from the description of the program if it is associated
+     * to one */
+    p_pgrm = p_es->p_pgrm;
     if( p_pgrm )
     {
         for( i_index = 0; i_index < p_pgrm->i_es_number; i_index++ )
@@ -531,6 +786,24 @@ void input_DelES( input_thread_t * p_input, es_descriptor_t * p_es )
     {
         free( p_es->p_demux_data );
     }
+    if( p_es->p_waveformatex )
+    {
+        free( p_es->p_waveformatex );
+    }
+    if( p_es->p_bitmapinfoheader )
+    {
+        free( p_es->p_bitmapinfoheader );
+    }
+    if( p_es->p_spuinfo )
+    {
+        free( p_es->p_spuinfo );
+    }
+
+    /* Free the description string */
+    if( p_es->psz_desc != NULL )
+    {
+        free( p_es->psz_desc );
+    }
 
     /* Find the ES in the ES table */
     for( i_es_index = 0; i_es_index < p_input->stream.i_es_number;
@@ -557,30 +830,40 @@ void input_DelES( input_thread_t * p_input, es_descriptor_t * p_es )
  *****************************************************************************/
 int input_SelectES( input_thread_t * p_input, es_descriptor_t * p_es )
 {
+    vlc_value_t val;
+    char *psz_var = NULL;
+
     if( p_es == NULL )
     {
         msg_Err( p_input, "nothing to do in input_SelectES" );
         return -1;
     }
 
-    if( ((p_es->i_cat == VIDEO_ES) || (p_es->i_cat == SPU_ES))
-        && !config_GetInt( p_input, "video" ) )
+    if( p_es->i_cat == VIDEO_ES || p_es->i_cat == SPU_ES )
     {
-        msg_Dbg( p_input,
-                 "video is disabled, not selecting ES 0x%x", p_es->i_id );
-        return -1;
+        var_Get( p_input, "video", &val );
+        if( !val.b_bool )
+        {
+            msg_Dbg( p_input, "video is disabled, not selecting ES 0x%x",
+                     p_es->i_id );
+            return -1;
+        }
     }
 
-    if( (p_es->i_cat == AUDIO_ES) && !config_GetInt( p_input, "audio" ) )
+    if( p_es->i_cat == AUDIO_ES )
     {
-        msg_Dbg( p_input,
-                 "audio is disabled, not selecting ES 0x%x", p_es->i_id );
-        return -1;
+        var_Get( p_input, "audio", &val );
+        if( !val.b_bool )
+        {
+            msg_Dbg( p_input, "audio is disabled, not selecting ES 0x%x",
+                     p_es->i_id );
+            return -1;
+        }
     }
 
     msg_Dbg( p_input, "selecting ES 0x%x", p_es->i_id );
 
-    if( p_es->p_decoder_fifo != NULL )
+    if( p_es->p_dec != NULL )
     {
         msg_Err( p_input, "ES 0x%x is already selected", p_es->i_id );
         return -1;
@@ -589,14 +872,34 @@ int input_SelectES( input_thread_t * p_input, es_descriptor_t * p_es )
     /* Release the lock, not to block the input thread during
      * the creation of the thread. */
     vlc_mutex_unlock( &p_input->stream.stream_lock );
-    p_es->p_decoder_fifo = input_RunDecoder( p_input, p_es );
+    p_es->p_dec = input_RunDecoder( p_input, p_es );
     vlc_mutex_lock( &p_input->stream.stream_lock );
 
-    if( p_es->p_decoder_fifo == NULL )
+    if( p_es->p_dec == NULL )
     {
         return -1;
     }
 
+    /* Update the es variable without triggering a callback */
+    switch( p_es->i_cat )
+    {
+    case AUDIO_ES:
+        psz_var = "audio-es";
+        break;
+    case SPU_ES:
+        psz_var = "spu-es";
+        break;
+    case VIDEO_ES:
+        psz_var = "video-es";
+        break;
+    }
+
+    if( psz_var )
+    {
+        val.i_int = p_es->i_id;
+        var_Change( p_input, psz_var, VLC_VAR_SETVALUE, &val, NULL );
+    }
+
     return 0;
 }
 
@@ -605,8 +908,9 @@ int input_SelectES( input_thread_t * p_input, es_descriptor_t * p_es )
  *****************************************************************************/
 int input_UnselectES( input_thread_t * p_input, es_descriptor_t * p_es )
 {
-
-    int     i_index = 0;
+    unsigned int i_index = 0;
+    vlc_value_t val;
+    char *psz_var = NULL;
 
     if( p_es == NULL )
     {
@@ -616,16 +920,37 @@ int input_UnselectES( input_thread_t * p_input, es_descriptor_t * p_es )
 
     msg_Dbg( p_input, "unselecting ES 0x%x", p_es->i_id );
 
-    if( p_es->p_decoder_fifo == NULL )
+    if( p_es->p_dec == NULL )
     {
         msg_Err( p_input, "ES 0x%x is not selected", p_es->i_id );
         return( -1 );
     }
 
+    /* Update the es variable without triggering a callback */
+    switch( p_es->i_cat )
+    {
+    case AUDIO_ES:
+        psz_var = "audio-es";
+        break;
+    case SPU_ES:
+        psz_var = "spu-es";
+        break;
+    case VIDEO_ES:
+        psz_var = "video-es";
+        break;
+    }
+
+    if( psz_var )
+    {
+        val.i_int = -1;
+        var_Change( p_input, psz_var, VLC_VAR_SETVALUE, &val, NULL );
+    }
+
+    /* Actually unselect the ES */
     input_EndDecoder( p_input, p_es );
     p_es->p_pes = NULL;
 
-    if( ( p_es->p_decoder_fifo == NULL ) &&
+    if( ( p_es->p_dec == NULL ) &&
         ( p_input->stream.i_selected_es_number > 0 ) )
     {
         while( ( i_index < p_input->stream.i_selected_es_number - 1 ) &&
@@ -634,7 +959,7 @@ int input_UnselectES( input_thread_t * p_input, es_descriptor_t * p_es )
             i_index++;
         }
 
-        /* XXX: no need to memmove, we have unordered data */
+        /* XXX: no need to memmove, we have unsorted data */
         REMOVE_ELEM( p_input->stream.pp_selected_es,
                      p_input->stream.i_selected_es_number,
                      i_index );
@@ -648,3 +973,229 @@ int input_UnselectES( input_thread_t * p_input, es_descriptor_t * p_es )
 
     return 0;
 }
+
+/*****************************************************************************
+ * Navigation callback: a bunch of navigation variables are used as an
+ *  alternative to the navigation API.
+ *****************************************************************************/
+static int ProgramCallback( vlc_object_t *p_this, char const *psz_cmd,
+                  vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+    input_thread_t *p_input = (input_thread_t *)p_this;
+    vlc_value_t val;
+
+    if( oldval.i_int == newval.i_int )
+       return VLC_SUCCESS;
+
+    vlc_mutex_lock( &p_input->stream.stream_lock );
+    if( ( newval.i_int > 0 ) )
+    {
+        vlc_mutex_unlock( &p_input->stream.stream_lock );
+        input_ChangeProgram( p_input, (uint16_t)newval.i_int );
+        input_SetStatus( p_input, INPUT_STATUS_PLAY );
+        vlc_mutex_lock( &p_input->stream.stream_lock );
+    }
+    vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+    val.b_bool = VLC_TRUE;
+    var_Set( p_input, "intf-change", val );
+
+    return VLC_SUCCESS;
+}
+
+static int TitleCallback( vlc_object_t *p_this, char const *psz_cmd,
+                  vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+    input_thread_t *p_input = (input_thread_t *)p_this;
+    input_area_t *p_area;
+    vlc_value_t val, val_list;
+    int i, i_step = 0;
+
+    if( !strcmp( psz_cmd, "next-title" ) ) i_step++;
+    else if( !strcmp( psz_cmd, "prev-title" ) ) i_step--;
+
+    if( !i_step && oldval.i_int == newval.i_int ) return VLC_SUCCESS;
+
+    /* Sanity check should have already been done by var_Set(). */
+    vlc_mutex_lock( &p_input->stream.stream_lock );
+
+    if( i_step )
+    {
+        var_Get( p_this, "title", &newval );
+        var_Change( p_this, "title", VLC_VAR_GETCHOICES, &val_list, NULL );
+        for( i = 0; i < val_list.p_list->i_count; i++ )
+        {
+            if( val_list.p_list->p_values[i].i_int == newval.i_int &&
+                i + i_step >= 0 && i + i_step < val_list.p_list->i_count )
+            {
+                newval.i_int = val_list.p_list->p_values[i + i_step].i_int;
+                break;
+            }
+        }
+        var_Change( p_this, "title", VLC_VAR_FREELIST, &val_list, NULL );
+    }
+
+    p_area = p_input->stream.pp_areas[newval.i_int];
+    p_area->i_part = 1;
+
+    vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+    input_ChangeArea( p_input, p_area );
+    input_SetStatus( p_input, INPUT_STATUS_PLAY );
+
+    val.b_bool = VLC_TRUE;
+    var_Set( p_input, "intf-change", val );
+
+    return VLC_SUCCESS;
+}
+
+static int ChapterCallback( vlc_object_t *p_this, char const *psz_cmd,
+                  vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+    input_thread_t *p_input = (input_thread_t *)p_this;
+    input_area_t *p_area;
+    vlc_value_t val, val_list;
+    int i, i_step = 0;
+
+    if( !strcmp( psz_cmd, "next-chapter" ) ) i_step++;
+    else if( !strcmp( psz_cmd, "prev-chapter" ) ) i_step--;
+
+    if( !i_step && oldval.i_int == newval.i_int ) return VLC_SUCCESS;
+
+    /* Sanity check should have already been done by var_Set(). */
+    vlc_mutex_lock( &p_input->stream.stream_lock );
+
+    if( i_step )
+    {
+        var_Get( p_this, "chapter", &newval );
+        var_Change( p_this, "chapter", VLC_VAR_GETCHOICES, &val_list, NULL );
+        for( i = 0; i < val_list.p_list->i_count; i++ )
+        {
+            if( val_list.p_list->p_values[i].i_int == newval.i_int &&
+                i + i_step >= 0 && i + i_step < val_list.p_list->i_count )
+            {
+                newval.i_int = val_list.p_list->p_values[i + i_step].i_int;
+                break;
+            }
+        }
+        var_Change( p_this, "chapter", VLC_VAR_FREELIST, &val_list, NULL );
+    }
+
+    p_area = p_input->stream.p_selected_area;
+    p_input->stream.p_selected_area->i_part = newval.i_int;
+    vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+    input_ChangeArea( p_input, p_area );
+    input_SetStatus( p_input, INPUT_STATUS_PLAY );
+
+    val.b_bool = VLC_TRUE;
+    var_Set( p_input, "intf-change", val );
+
+    return VLC_SUCCESS;
+}
+
+static int NavigationCallback( vlc_object_t *p_this, char const *psz_cmd,
+                  vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+    input_thread_t *p_input = (input_thread_t *)p_this;
+    uint16_t i_area_id = (int)p_data;
+    vlc_value_t val;
+
+    vlc_mutex_lock( &p_input->stream.stream_lock );
+
+    if( p_input->stream.p_selected_area->i_id == i_area_id &&
+        oldval.i_int == newval.i_int )
+    {
+        /* Nothing to do */
+        vlc_mutex_unlock( &p_input->stream.stream_lock );
+        return VLC_SUCCESS;
+    }
+
+    if( ( i_area_id < p_input->stream.i_area_nb ) && ( newval.i_int > 0 ) &&
+        ( (uint16_t)newval.i_int <=
+          p_input->stream.pp_areas[i_area_id]->i_part_nb ) )
+    {
+        input_area_t *p_area = p_input->stream.pp_areas[i_area_id];
+        p_area->i_part = newval.i_int;
+        vlc_mutex_unlock( &p_input->stream.stream_lock );
+        input_ChangeArea( p_input, p_area );
+        input_SetStatus( p_input, INPUT_STATUS_PLAY );
+        vlc_mutex_lock( &p_input->stream.stream_lock );
+    }
+    vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+    val.b_bool = VLC_TRUE;
+    var_Set( p_input, "intf-change", val );
+
+    return VLC_SUCCESS;
+}
+
+static int ESCallback( vlc_object_t *p_this, char const *psz_cmd,
+                       vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+    input_thread_t *p_input = (input_thread_t *)p_this;
+    unsigned int i;
+    vlc_value_t val;
+    unsigned int i_cat = UNKNOWN_ES;
+    es_descriptor_t *p_es = NULL;
+
+    vlc_mutex_lock( &p_input->stream.stream_lock );
+
+    /* First search old es type */
+    for( i = 0 ; i < p_input->stream.i_es_number ; i++ )
+    {
+        if( p_input->stream.pp_es[i]->i_id == oldval.i_int )
+        {
+            i_cat = p_input->stream.pp_es[i]->i_cat;
+        }
+    }
+
+    /* Unselect all old ES */
+    for( i = 0 ; i < p_input->stream.i_es_number ; i++ )
+    {
+        if( p_input->stream.pp_es[i]->i_cat == i_cat &&
+            p_input->stream.pp_es[i]->i_id != newval.i_int &&
+            p_input->stream.pp_es[i]->p_dec != NULL )
+        {
+            input_UnselectES( p_input, p_input->stream.pp_es[i] );
+        }
+    }
+
+    /* Select new ES */
+    for( i = 0 ; i < p_input->stream.i_es_number ; i++ )
+    {
+        if( p_input->stream.pp_es[i]->i_id == newval.i_int )
+        {
+            p_es = p_input->stream.pp_es[i];
+            if( p_es->p_dec == NULL )
+            {
+                input_SelectES( p_input, p_es );
+            }
+        }
+    }
+
+    if( p_es )
+    {
+        /* Fix value (mainly for multiple selected ES */
+        val.i_int = p_es->i_id;
+        switch( p_es->i_cat )
+        {
+        case AUDIO_ES:
+            var_Change( p_input, "audio-es", VLC_VAR_SETVALUE, &val, NULL );
+            break;
+        case SPU_ES:
+            var_Change( p_input, "spu-es", VLC_VAR_SETVALUE, &val, NULL );
+            break;
+        case VIDEO_ES:
+            var_Change( p_input, "video-es", VLC_VAR_SETVALUE, &val, NULL );
+            break;
+        }
+    }
+
+    vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+    val.b_bool = VLC_TRUE;
+    var_Set( p_input, "intf-change", val );
+
+    return VLC_SUCCESS;
+}