]> git.sesse.net Git - vlc/blobdiff - modules/control/dbus.c
Removed unused STOP_S input state.
[vlc] / modules / control / dbus.c
index 681207ef679a1dc0f021b14baeaf95ac4704f07a..79aaca13fa2054076ac0bc9c3a371e8e216f781b 100644 (file)
  * Preamble
  *****************************************************************************/
 
-#include <dbus/dbus.h>
-
-#include "dbus.h"
-
 #ifdef HAVE_CONFIG_H
 # include "config.h"
 #endif
 
-#include <vlc/vlc.h>
+#include <dbus/dbus.h>
+#include "dbus.h"
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
 #include <vlc_aout.h>
 #include <vlc_interface.h>
 #include <vlc_meta.h>
 #include <vlc_input.h>
 #include <vlc_playlist.h>
-#include <vlc_demux.h>
-#include <vlc_access.h>
+
+#include <math.h>
+
+#include <assert.h>
 
 /*****************************************************************************
  * Local prototypes.
@@ -77,7 +79,8 @@ static int TrackListChangeEmit( vlc_object_t *, const char *, vlc_value_t,
                         vlc_value_t, void * );
 
 static int GetInputMeta ( input_item_t *, DBusMessageIter * );
-static int MarshalStatus ( intf_thread_t *, DBusMessageIter *, vlc_bool_t );
+static int MarshalStatus ( intf_thread_t *, DBusMessageIter *, bool );
+static int UpdateCaps( intf_thread_t*, bool );
 
 /* GetCaps() capabilities */
 enum
@@ -88,28 +91,30 @@ enum
      CAPS_CAN_PAUSE             = 1 << 2,
      CAPS_CAN_PLAY              = 1 << 3,
      CAPS_CAN_SEEK              = 1 << 4,
-     CAPS_CAN_PROVIDE_METADATA  = 1 << 5
+     CAPS_CAN_PROVIDE_METADATA  = 1 << 5,
+     CAPS_CAN_HAS_TRACKLIST     = 1 << 6
 };
 
 struct intf_sys_t
 {
     DBusConnection *p_conn;
-    vlc_bool_t      b_meta_read;
+    bool      b_meta_read;
     dbus_int32_t    i_caps;
+    bool       b_dead;
 };
 
 /*****************************************************************************
  * Module descriptor
  *****************************************************************************/
 
-vlc_module_begin();
-    set_shortname( _("dbus"));
-    set_category( CAT_INTERFACE );
-    set_subcategory( SUBCAT_INTERFACE_CONTROL );
-    set_description( _("D-Bus control interface") );
-    set_capability( "interface", 0 );
-    set_callbacks( Open, Close );
-vlc_module_end();
+vlc_module_begin ()
+    set_shortname( N_("dbus"))
+    set_category( CAT_INTERFACE )
+    set_subcategory( SUBCAT_INTERFACE_CONTROL )
+    set_description( N_("D-Bus control interface") )
+    set_capability( "interface", 0 )
+    set_callbacks( Open, Close )
+vlc_module_end ()
 
 /*****************************************************************************
  * Methods
@@ -120,13 +125,39 @@ vlc_module_end();
 DBUS_METHOD( Quit )
 { /* exits vlc */
     REPLY_INIT;
-    playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
+    playlist_t *p_playlist = pl_Hold( (vlc_object_t*) p_this );
     playlist_Stop( p_playlist );
     pl_Release( ((vlc_object_t*) p_this) );
     vlc_object_kill(((vlc_object_t*)p_this)->p_libvlc);
     REPLY_SEND;
 }
 
+DBUS_METHOD( MprisVersion )
+{ /*implemented version of the mpris spec */
+    REPLY_INIT;
+    OUT_ARGUMENTS;
+    VLC_UNUSED( p_this );
+    dbus_uint16_t i_major = VLC_MPRIS_VERSION_MAJOR;
+    dbus_uint16_t i_minor = VLC_MPRIS_VERSION_MINOR;
+    DBusMessageIter version;
+
+    if( !dbus_message_iter_open_container( &args, DBUS_TYPE_STRUCT, NULL,
+            &version ) )
+        return DBUS_HANDLER_RESULT_NEED_MEMORY;
+
+    if( !dbus_message_iter_append_basic( &version, DBUS_TYPE_UINT16,
+            &i_major ) )
+        return DBUS_HANDLER_RESULT_NEED_MEMORY;
+
+    if( !dbus_message_iter_append_basic( &version, DBUS_TYPE_UINT16,
+            &i_minor ) )
+        return DBUS_HANDLER_RESULT_NEED_MEMORY;
+
+    if( !dbus_message_iter_close_container( &args, &version ) )
+        return DBUS_HANDLER_RESULT_NEED_MEMORY;
+    REPLY_SEND;
+}
+
 DBUS_METHOD( PositionGet )
 { /* returns position in milliseconds */
     REPLY_INIT;
@@ -134,9 +165,8 @@ DBUS_METHOD( PositionGet )
     vlc_value_t position;
     dbus_int32_t i_pos;
 
-    playlist_t *p_playlist = pl_Yield( ((vlc_object_t*) p_this) );
-    PL_LOCK;
-    input_thread_t *p_input = p_playlist->p_input;
+    playlist_t *p_playlist = pl_Hold( ((vlc_object_t*) p_this) );
+    input_thread_t *p_input = playlist_CurrentInput( p_playlist );
 
     if( !p_input )
         i_pos = 0;
@@ -144,8 +174,8 @@ DBUS_METHOD( PositionGet )
     {
         var_Get( p_input, "time", &position );
         i_pos = position.i_time / 1000;
+        vlc_object_release( p_input );
     }
-    PL_UNLOCK;
     pl_Release( ((vlc_object_t*) p_this) );
     ADD_INT32( &i_pos );
     REPLY_SEND;
@@ -173,16 +203,15 @@ DBUS_METHOD( PositionSet )
         dbus_error_free( &error );
         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
     }
-    p_playlist = pl_Yield( ((vlc_object_t*) p_this) );
-    PL_LOCK;
-    input_thread_t *p_input = p_playlist->p_input;
+    p_playlist = pl_Hold( ((vlc_object_t*) p_this) );
+    input_thread_t *p_input = playlist_CurrentInput( p_playlist );
 
     if( p_input )
     {
         position.i_time = i_pos * 1000;
         var_Set( p_input, "time", position );
+        vlc_object_release( p_input );
     }
-    PL_UNLOCK;
     pl_Release( ((vlc_object_t*) p_this) );
     REPLY_SEND;
 }
@@ -195,7 +224,8 @@ DBUS_METHOD( VolumeGet )
     audio_volume_t i_vol;
     /* 2nd argument of aout_VolumeGet is int32 */
     aout_VolumeGet( (vlc_object_t*) p_this, &i_vol );
-    i_dbus_vol = ( 100 * i_vol ) / AOUT_VOLUME_MAX;
+    double f_vol = 100. * i_vol / AOUT_VOLUME_MAX;
+    i_dbus_vol = round( f_vol );
     ADD_INT32( &i_dbus_vol );
     REPLY_SEND;
 }
@@ -222,7 +252,8 @@ DBUS_METHOD( VolumeSet )
         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
     }
 
-    i_vol = ( AOUT_VOLUME_MAX / 100 ) *i_dbus_vol;
+    double f_vol = AOUT_VOLUME_MAX * i_dbus_vol / 100.;
+    i_vol = round( f_vol );
     aout_VolumeSet( (vlc_object_t*) p_this, i_vol );
 
     REPLY_SEND;
@@ -231,7 +262,7 @@ DBUS_METHOD( VolumeSet )
 DBUS_METHOD( Next )
 { /* next playlist item */
     REPLY_INIT;
-    playlist_t *p_playlist = pl_Yield( ((vlc_object_t*) p_this) );
+    playlist_t *p_playlist = pl_Hold( ((vlc_object_t*) p_this) );
     playlist_Next( p_playlist );
     pl_Release( ((vlc_object_t*) p_this) );
     REPLY_SEND;
@@ -240,7 +271,7 @@ DBUS_METHOD( Next )
 DBUS_METHOD( Prev )
 { /* previous playlist item */
     REPLY_INIT;
-    playlist_t *p_playlist = pl_Yield( ((vlc_object_t*) p_this) );
+    playlist_t *p_playlist = pl_Hold( ((vlc_object_t*) p_this) );
     playlist_Prev( p_playlist );
     pl_Release( ((vlc_object_t*) p_this) );
     REPLY_SEND;
@@ -249,7 +280,7 @@ DBUS_METHOD( Prev )
 DBUS_METHOD( Stop )
 { /* stop playing */
     REPLY_INIT;
-    playlist_t *p_playlist = pl_Yield( ((vlc_object_t*) p_this) );
+    playlist_t *p_playlist = pl_Hold( ((vlc_object_t*) p_this) );
     playlist_Stop( p_playlist );
     pl_Release( ((vlc_object_t*) p_this) );
     REPLY_SEND;
@@ -266,7 +297,7 @@ DBUS_METHOD( GetStatus )
     REPLY_INIT;
     OUT_ARGUMENTS;
 
-    MarshalStatus( p_this, &args, VLC_TRUE );
+    MarshalStatus( p_this, &args, true );
 
     REPLY_SEND;
 }
@@ -274,18 +305,29 @@ DBUS_METHOD( GetStatus )
 DBUS_METHOD( Pause )
 {
     REPLY_INIT;
-    playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
+    playlist_t *p_playlist = pl_Hold( (vlc_object_t*) p_this );
     playlist_Pause( p_playlist );
-    pl_Release( p_playlist );
+    pl_Release( (vlc_object_t*) p_this );
     REPLY_SEND;
 }
 
 DBUS_METHOD( Play )
 {
     REPLY_INIT;
-    playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
-    playlist_Play( p_playlist );
-    pl_Release( p_playlist );
+    playlist_t *p_playlist = pl_Hold( (vlc_object_t*) p_this );
+
+    input_thread_t *p_input =  playlist_CurrentInput( p_playlist );
+
+    if( p_input )
+    {
+        double i_pos = 0;
+        input_Control( p_input, INPUT_SET_POSITION, i_pos );
+        vlc_object_release( p_input );
+    }
+    else
+        playlist_Play( p_playlist );
+
+    pl_Release( (vlc_object_t*) p_this );
     REPLY_SEND;
 }
 
@@ -293,12 +335,13 @@ DBUS_METHOD( GetCurrentMetadata )
 {
     REPLY_INIT;
     OUT_ARGUMENTS;
-    playlist_t* p_playlist = pl_Yield( (vlc_object_t*) p_this );
+    playlist_t* p_playlist = pl_Hold( (vlc_object_t*) p_this );
     PL_LOCK;
-    if( p_playlist->status.p_item )
-        GetInputMeta( p_playlist->status.p_item->p_input, &args );
+    playlist_item_t* p_item =  playlist_CurrentPlayingItem( p_playlist );
+    if(  p_item )
+        GetInputMeta( p_item->p_input, &args );
     PL_UNLOCK;
-    pl_Release( p_playlist );
+    pl_Release( (vlc_object_t*) p_this );
     REPLY_SEND;
 }
 
@@ -306,50 +349,8 @@ DBUS_METHOD( GetCaps )
 {
     REPLY_INIT;
     OUT_ARGUMENTS;
-    playlist_t* p_playlist = pl_Yield( (vlc_object_t*) p_this );
-    PL_LOCK;
-    
-    dbus_int32_t i_caps = CAPS_NONE;
-
-    /* FIXME:
-     * Every capability should be checked in a callback, modifying p_sys->i_caps
-     * so we can send a signal whenever it changes.
-     * When it is done, GetCaps method will just return p_sys->i_caps
-     */
-
-    if( p_playlist->items.i_size > 0 )
-        i_caps |= CAPS_CAN_PLAY | CAPS_CAN_GO_PREV | CAPS_CAN_GO_NEXT;
-
-    if( p_playlist->p_input )
-    {
-        access_t *p_access = (access_t*)vlc_object_find( p_playlist->p_input, 
-            VLC_OBJECT_ACCESS, FIND_CHILD );
-        if( p_access )
-        {
-            vlc_bool_t b_can_pause;
-            if( !access2_Control( p_access, ACCESS_CAN_PAUSE, &b_can_pause ) &&
-                    b_can_pause )
-                i_caps |= CAPS_CAN_PAUSE;
-            vlc_object_release( p_access );
-        }
-        demux_t *p_demux = (demux_t*)vlc_object_find( p_playlist->p_input,
-            VLC_OBJECT_DEMUX, FIND_CHILD );
-        if( p_demux )
-        {   /* XXX: is: demux can seek and access can not a possibility ? */
-            vlc_bool_t b_can_seek;
-            if( !stream_Control( p_demux->s, STREAM_CAN_SEEK, &b_can_seek ) &&
-                    b_can_seek )
-                i_caps |= CAPS_CAN_SEEK;
-            vlc_object_release( p_demux );
-        }
-    }
 
-    if( ((intf_thread_t*)p_this)->p_sys->b_meta_read )
-        i_caps |= CAPS_CAN_PROVIDE_METADATA;
-
-    PL_UNLOCK;
-
-    ADD_INT32( &i_caps );
+    ADD_INT32( &((intf_thread_t*)p_this)->p_sys->i_caps );
 
     REPLY_SEND;
 }
@@ -378,6 +379,7 @@ DBUS_METHOD( Identity )
 DBUS_METHOD( AddTrack )
 { /* add the string to the playlist, and play it if the boolean is true */
     REPLY_INIT;
+    OUT_ARGUMENTS;
 
     DBusError error;
     dbus_error_init( &error );
@@ -399,11 +401,14 @@ DBUS_METHOD( AddTrack )
         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
     }
 
-    p_playlist = pl_Yield( (vlc_object_t*) p_this );
+    p_playlist = pl_Hold( (vlc_object_t*) p_this );
     playlist_Add( p_playlist, psz_mrl, NULL, PLAYLIST_APPEND |
             ( ( b_play == TRUE ) ? PLAYLIST_GO : 0 ) ,
-            PLAYLIST_END, VLC_TRUE, VLC_FALSE );
-    pl_Release( p_playlist );
+            PLAYLIST_END, true, false );
+    pl_Release( (vlc_object_t*) p_this );
+
+    dbus_int32_t i_success = 0;
+    ADD_INT32( &i_success );
 
     REPLY_SEND;
 }
@@ -413,9 +418,9 @@ DBUS_METHOD( GetCurrentTrack )
     REPLY_INIT;
     OUT_ARGUMENTS;
 
-    playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
+    playlist_t *p_playlist = pl_Hold( (vlc_object_t*) p_this );
     dbus_int32_t i_position = p_playlist->i_current_index;
-    pl_Release( p_playlist );
+    pl_Release( (vlc_object_t*) p_this );
 
     ADD_INT32( &i_position );
     REPLY_SEND;
@@ -430,7 +435,7 @@ DBUS_METHOD( GetMetadata )
 
     dbus_int32_t i_position;
 
-    playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
+    playlist_t *p_playlist = pl_Hold( (vlc_object_t*) p_this );
     PL_LOCK;
 
     dbus_message_get_args( p_from, &error,
@@ -440,20 +445,20 @@ DBUS_METHOD( GetMetadata )
     if( dbus_error_is_set( &error ) )
     {
         PL_UNLOCK;
-        pl_Release( p_playlist );
+        pl_Release( (vlc_object_t*) p_this );
         msg_Err( (vlc_object_t*) p_this, "D-Bus message reading : %s\n",
                 error.message );
         dbus_error_free( &error );
         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
     }
 
-    if( i_position <= p_playlist->items.i_size / 2 )
+    if( i_position < p_playlist->current.i_size )
     {
-        GetInputMeta( p_playlist->items.p_elems[i_position*2-1]->p_input, &args );
+        GetInputMeta( p_playlist->current.p_elems[i_position]->p_input, &args );
     }
 
     PL_UNLOCK;
-    pl_Release( p_playlist );
+    pl_Release( (vlc_object_t*) p_this );
     REPLY_SEND;
 }
 
@@ -462,9 +467,9 @@ DBUS_METHOD( GetLength )
     REPLY_INIT;
     OUT_ARGUMENTS;
 
-    playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
-    dbus_int32_t i_elements = p_playlist->items.i_size / 2;
-    pl_Release( p_playlist );
+    playlist_t *p_playlist = pl_Hold( (vlc_object_t*) p_this );
+    dbus_int32_t i_elements = p_playlist->current.i_size;
+    pl_Release( (vlc_object_t*) p_this );
 
     ADD_INT32( &i_elements );
     REPLY_SEND;
@@ -478,7 +483,7 @@ DBUS_METHOD( DelTrack )
     dbus_error_init( &error );
 
     dbus_int32_t i_position;
-    playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
+    playlist_t *p_playlist = pl_Hold( (vlc_object_t*) p_this );
 
     dbus_message_get_args( p_from, &error,
             DBUS_TYPE_INT32, &i_position,
@@ -492,19 +497,21 @@ DBUS_METHOD( DelTrack )
         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
     }
 
-    if( i_position <= p_playlist->items.i_size / 2 )
+    PL_LOCK;
+    if( i_position < p_playlist->current.i_size )
     {
         playlist_DeleteFromInput( p_playlist,
-            p_playlist->items.p_elems[i_position*2-1]->i_id,
-            VLC_FALSE );
+            p_playlist->current.p_elems[i_position]->p_input->i_id,
+            pl_Locked );
     }
+    PL_UNLOCK;
 
-    pl_Release( p_playlist );
+    pl_Release( (vlc_object_t*) p_this );
 
     REPLY_SEND;
 }
 
-DBUS_METHOD( Loop )
+DBUS_METHOD( SetLoop )
 {
     REPLY_INIT;
     OUT_ARGUMENTS;
@@ -527,8 +534,8 @@ DBUS_METHOD( Loop )
         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
     }
 
-    val.b_bool = ( b_loop == TRUE ) ? VLC_TRUE : VLC_FALSE ;
-    p_playlist = pl_Yield( (vlc_object_t*) p_this );
+    val.b_bool = ( b_loop == TRUE ) ? true : false ;
+    p_playlist = pl_Hold( (vlc_object_t*) p_this );
     var_Set ( p_playlist, "loop", val );
     pl_Release( ((vlc_object_t*) p_this) );
 
@@ -558,16 +565,16 @@ DBUS_METHOD( Repeat )
         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
     }
 
-    val.b_bool = ( b_repeat == TRUE ) ? VLC_TRUE : VLC_FALSE ;
+    val.b_bool = ( b_repeat == TRUE ) ? true : false ;
 
-    p_playlist = pl_Yield( (vlc_object_t*) p_this );
+    p_playlist = pl_Hold( (vlc_object_t*) p_this );
     var_Set ( p_playlist, "repeat", val );
     pl_Release( ((vlc_object_t*) p_this) );
 
     REPLY_SEND;
 }
 
-DBUS_METHOD( Random )
+DBUS_METHOD( SetRandom )
 {
     REPLY_INIT;
     OUT_ARGUMENTS;
@@ -590,9 +597,9 @@ DBUS_METHOD( Random )
         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
     }
 
-    val.b_bool = ( b_random == TRUE ) ? VLC_TRUE : VLC_FALSE ;
+    val.b_bool = ( b_random == TRUE ) ? true : false ;
 
-    p_playlist = pl_Yield( (vlc_object_t*) p_this );
+    p_playlist = pl_Hold( (vlc_object_t*) p_this );
     var_Set ( p_playlist, "random", val );
     pl_Release( ((vlc_object_t*) p_this) );
 
@@ -647,6 +654,8 @@ DBUS_METHOD( handle_root )
     /* here D-Bus method's names are associated to an handler */
 
     METHOD_FUNC( "Identity",                Identity );
+    METHOD_FUNC( "MprisVersion",            MprisVersion );
+    METHOD_FUNC( "Quit",                    Quit );
 
     return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 }
@@ -662,7 +671,6 @@ DBUS_METHOD( handle_player )
 
     METHOD_FUNC( "Prev",                    Prev );
     METHOD_FUNC( "Next",                    Next );
-    METHOD_FUNC( "Quit",                    Quit );
     METHOD_FUNC( "Stop",                    Stop );
     METHOD_FUNC( "Play",                    Play );
     METHOD_FUNC( "Pause",                   Pause );
@@ -691,8 +699,8 @@ DBUS_METHOD( handle_tracklist )
     METHOD_FUNC( "GetLength",               GetLength );
     METHOD_FUNC( "AddTrack",                AddTrack );
     METHOD_FUNC( "DelTrack",                DelTrack );
-    METHOD_FUNC( "Loop",                    Loop );
-    METHOD_FUNC( "Random",                  Random );
+    METHOD_FUNC( "SetLoop",                 SetLoop );
+    METHOD_FUNC( "SetRandom",               SetRandom );
 
     return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 }
@@ -712,8 +720,9 @@ static int Open( vlc_object_t *p_this )
     if( !p_sys )
         return VLC_ENOMEM;
 
-    p_sys->b_meta_read = VLC_FALSE;
+    p_sys->b_meta_read = false;
     p_sys->i_caps = CAPS_NONE;
+    p_sys->b_dead = false;
 
     dbus_error_init( &error );
 
@@ -749,7 +758,7 @@ static int Open( vlc_object_t *p_this )
 
     dbus_connection_flush( p_conn );
 
-    p_playlist = pl_Yield( p_intf );
+    p_playlist = pl_Hold( p_intf );
     PL_LOCK;
     var_AddCallback( p_playlist, "playlist-current", TrackChange, p_intf );
     var_AddCallback( p_playlist, "intf-change", TrackListChangeEmit, p_intf );
@@ -759,12 +768,14 @@ static int Open( vlc_object_t *p_this )
     var_AddCallback( p_playlist, "repeat", StatusChangeEmit, p_intf );
     var_AddCallback( p_playlist, "loop", StatusChangeEmit, p_intf );
     PL_UNLOCK;
-    pl_Release( p_playlist );
+    pl_Release( p_intf );
 
     p_intf->pf_run = Run;
     p_intf->p_sys = p_sys;
     p_sys->p_conn = p_conn;
 
+    UpdateCaps( p_intf, false );
+
     return VLC_SUCCESS;
 }
 
@@ -775,12 +786,9 @@ static int Open( vlc_object_t *p_this )
 static void Close   ( vlc_object_t *p_this )
 {
     intf_thread_t   *p_intf     = (intf_thread_t*) p_this;
-    playlist_t      *p_playlist = pl_Yield( p_intf );;
+    playlist_t      *p_playlist = pl_Hold( p_intf );;
     input_thread_t  *p_input;
 
-    p_this->b_dead = VLC_TRUE;
-
-    PL_LOCK;
     var_DelCallback( p_playlist, "playlist-current", TrackChange, p_intf );
     var_DelCallback( p_playlist, "intf-change", TrackListChangeEmit, p_intf );
     var_DelCallback( p_playlist, "item-append", TrackListChangeEmit, p_intf );
@@ -789,16 +797,14 @@ static void Close   ( vlc_object_t *p_this )
     var_DelCallback( p_playlist, "repeat", StatusChangeEmit, p_intf );
     var_DelCallback( p_playlist, "loop", StatusChangeEmit, p_intf );
 
-    p_input = p_playlist->p_input;
+    p_input = playlist_CurrentInput( p_playlist );
     if ( p_input )
     {
-        vlc_object_yield( p_input );
         var_DelCallback( p_input, "state", StateChange, p_intf );
         vlc_object_release( p_input );
     }
 
-    PL_UNLOCK;
-    pl_Release( p_playlist );
+    pl_Release( p_intf );
 
     dbus_connection_unref( p_intf->p_sys->p_conn );
 
@@ -811,13 +817,27 @@ static void Close   ( vlc_object_t *p_this )
 
 static void Run          ( intf_thread_t *p_intf )
 {
-    while( !intf_ShouldDie( p_intf ) )
+    for( ;; )
     {
         msleep( INTF_IDLE_SLEEP );
+        int canc = vlc_savecancel();
         dbus_connection_read_write_dispatch( p_intf->p_sys->p_conn, 0 );
+        vlc_restorecancel( canc );
     }
 }
 
+/******************************************************************************
+ * CapsChange: player capabilities change signal
+ *****************************************************************************/
+DBUS_SIGNAL( CapsChangeSignal )
+{
+    SIGNAL_INIT( "CapsChange" );
+    OUT_ARGUMENTS;
+
+    ADD_INT32( &((intf_thread_t*)p_data)->p_sys->i_caps );
+    SIGNAL_SEND;
+}
+
 /******************************************************************************
  * TrackListChange: tracklist order / length change signal 
  *****************************************************************************/
@@ -826,9 +846,9 @@ DBUS_SIGNAL( TrackListChangeSignal )
     SIGNAL_INIT("TrackListChange");
     OUT_ARGUMENTS;
 
-    playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_data );
-    dbus_int32_t i_elements = p_playlist->items.i_size / 2;
-    pl_Release( p_playlist );
+    playlist_t *p_playlist = pl_Hold( (vlc_object_t*) p_data );
+    dbus_int32_t i_elements = p_playlist->current.i_size;
+    pl_Release( (vlc_object_t*) p_data );
 
     ADD_INT32( &i_elements );
     SIGNAL_SEND;
@@ -850,7 +870,7 @@ static int TrackListChangeEmit( vlc_object_t *p_this, const char *psz_var,
         playlist_t *p_playlist = (playlist_t*)p_this;
         playlist_add_t *p_add = newval.p_address;
         playlist_item_t *p_item;
-        p_item = playlist_ItemGetById( p_playlist, p_add->i_node, VLC_TRUE );
+        p_item = playlist_ItemGetById( p_playlist, p_add->i_node, pl_Locked );
         assert( p_item );
         while( p_item->p_parent )
             p_item = p_item->p_parent;
@@ -858,9 +878,10 @@ static int TrackListChangeEmit( vlc_object_t *p_this, const char *psz_var,
             return VLC_SUCCESS;
     }
 
-    if( p_intf->b_dead )
+    if( p_intf->p_sys->b_dead )
         return VLC_SUCCESS;
 
+    UpdateCaps( p_intf, true );
     TrackListChangeSignal( p_intf->p_sys->p_conn, p_data );
     return VLC_SUCCESS;
 }
@@ -890,7 +911,7 @@ DBUS_SIGNAL( StatusChangeSignal )
 
     /* we're called from a callback of input_thread_t, so it can not be
      * destroyed before we return */
-    MarshalStatus( (intf_thread_t*) p_data, &args, VLC_FALSE );
+    MarshalStatus( (intf_thread_t*) p_data, &args, false );
 
     SIGNAL_SEND;
 }
@@ -905,15 +926,17 @@ static int StateChange( vlc_object_t *p_this, const char* psz_var,
     intf_thread_t       *p_intf     = ( intf_thread_t* ) p_data;
     intf_sys_t          *p_sys      = p_intf->p_sys;
 
-    if( p_intf->b_dead )
+    if( p_intf->p_sys->b_dead )
         return VLC_SUCCESS;
 
+    UpdateCaps( p_intf, true );
+
     if( !p_sys->b_meta_read && newval.i_int == PLAYING_S )
     {
         input_item_t *p_item = input_GetItem( (input_thread_t*)p_this );
         if( p_item )
         {
-            p_sys->b_meta_read = VLC_TRUE;
+            p_sys->b_meta_read = true;
             TrackChangeSignal( p_sys->p_conn, p_item );
         }
     }
@@ -937,9 +960,10 @@ static int StatusChangeEmit( vlc_object_t *p_this, const char *psz_var,
     VLC_UNUSED(oldval); VLC_UNUSED(newval);
     intf_thread_t *p_intf = p_data;
 
-    if( p_intf->b_dead )
+    if( p_intf->p_sys->b_dead )
         return VLC_SUCCESS;
 
+    UpdateCaps( p_intf, false );
     StatusChangeSignal( p_intf->p_sys->p_conn, p_data );
     return VLC_SUCCESS;
 }
@@ -958,25 +982,20 @@ static int TrackChange( vlc_object_t *p_this, const char *psz_var,
     VLC_UNUSED( p_this ); VLC_UNUSED( psz_var );
     VLC_UNUSED( oldval ); VLC_UNUSED( newval );
 
-    if( p_intf->b_dead )
+    if( p_intf->p_sys->b_dead )
         return VLC_SUCCESS;
 
-    p_sys->b_meta_read = VLC_FALSE;
-
-    p_playlist = pl_Yield( p_intf );
-    PL_LOCK;
-    p_input = p_playlist->p_input;
+    p_sys->b_meta_read = false;
 
+    p_playlist = pl_Hold( p_intf );
+    p_input = playlist_CurrentInput( p_playlist );
     if( !p_input )
     {
-        PL_UNLOCK;
-        pl_Release( p_playlist );
+        pl_Release( p_intf );
         return VLC_SUCCESS;
     }
 
-    vlc_object_yield( p_input );
-    PL_UNLOCK;
-    pl_Release( p_playlist );
+    pl_Release( p_intf );
 
     p_item = input_GetItem( p_input );
     if( !p_item )
@@ -987,46 +1006,53 @@ static int TrackChange( vlc_object_t *p_this, const char *psz_var,
 
     if( input_item_IsPreparsed( p_item ) )
     {
-        p_sys->b_meta_read = VLC_TRUE;
+        p_sys->b_meta_read = true;
         TrackChangeSignal( p_sys->p_conn, p_item );
     }
 
-    dbus_int32_t i_caps = CAPS_NONE;
+    var_AddCallback( p_input, "state", StateChange, p_intf );
+
+    vlc_object_release( p_input );
+    return VLC_SUCCESS;
+}
 
-    if( p_playlist->items.i_size > 0 )
+/*****************************************************************************
+ * UpdateCaps: update p_sys->i_caps
+ ****************************************************************************/
+static int UpdateCaps( intf_thread_t* p_intf, bool b_playlist_locked )
+{
+    intf_sys_t* p_sys = p_intf->p_sys;
+    dbus_int32_t i_caps = CAPS_CAN_HAS_TRACKLIST;
+    playlist_t* p_playlist = pl_Hold( p_intf );
+    if( !b_playlist_locked ) PL_LOCK;
+    
+    if( p_playlist->current.i_size > 0 )
         i_caps |= CAPS_CAN_PLAY | CAPS_CAN_GO_PREV | CAPS_CAN_GO_NEXT;
+    if( !b_playlist_locked ) PL_UNLOCK;
 
-    if( p_playlist->p_input )
+    input_thread_t* p_input = playlist_CurrentInput( p_playlist );
+    if( p_input )
     {
-        access_t *p_access = (access_t*)vlc_object_find( p_playlist->p_input,
-            VLC_OBJECT_ACCESS, FIND_CHILD );
-        if( p_access )
-        {
-            vlc_bool_t b_can_pause;
-            if( !access2_Control( p_access, ACCESS_CAN_PAUSE, &b_can_pause ) &&
-                    b_can_pause )
-                i_caps |= CAPS_CAN_PAUSE;
-            vlc_object_release( p_access );
-        }
-        demux_t *p_demux = (demux_t*)vlc_object_find( p_playlist->p_input,
-            VLC_OBJECT_DEMUX, FIND_CHILD );
-        if( p_demux )
-        {   /* XXX: is: demux can seek and access can not a possibility ? */
-            vlc_bool_t b_can_seek;
-            if( !stream_Control( p_demux->s, STREAM_CAN_SEEK, &b_can_seek ) &&
-                    b_can_seek )
-                i_caps |= CAPS_CAN_SEEK;
-            vlc_object_release( p_demux );
-        }
+        /* XXX: if UpdateCaps() is called too early, these are
+         * unconditionnaly true */
+        if( var_GetBool( p_input, "can-pause" ) )
+            i_caps |= CAPS_CAN_PAUSE;
+        if( var_GetBool( p_input, "can-seek" ) )
+            i_caps |= CAPS_CAN_SEEK;
+        vlc_object_release( p_input );
     }
 
-    if( ((intf_thread_t*)p_this)->p_sys->b_meta_read )
-        i_caps |= CAPS_CAN_PROVIDE_METADATA;
+    pl_Release( p_intf );
 
+    if( p_sys->b_meta_read )
+        i_caps |= CAPS_CAN_PROVIDE_METADATA;
 
-    var_AddCallback( p_input, "state", StateChange, p_intf );
+    if( i_caps != p_intf->p_sys->i_caps )
+    {
+        p_sys->i_caps = i_caps;
+        CapsChangeSignal( p_intf->p_sys->p_conn, (vlc_object_t*)p_intf );
+    }
 
-    vlc_object_release( p_input );
     return VLC_SUCCESS;
 }
 
@@ -1069,7 +1095,7 @@ static int GetInputMeta( input_item_t* p_input,
     "title", "artist", "genre", "copyright", "album", "tracknum",
     "description", "rating", "date", "setting", "url", "language",
     "nowplaying", "publisher", "encodedby", "arturl", "trackid",
-    "status", "URI", "length", "video-codec", "audio-codec",
+    "status", "location", "length", "video-codec", "audio-codec",
     "video-bitrate", "audio-bitrate", "audio-samplerate"
     };
 
@@ -1113,7 +1139,7 @@ static int GetInputMeta( input_item_t* p_input,
  *****************************************************************************/
 
 static int MarshalStatus( intf_thread_t* p_intf, DBusMessageIter* args,
-                          vlc_bool_t lock )
+                          bool lock )
 { /* This is NOT the right way to do that, it would be better to sore
      the status information in p_sys and update it on change, thus
      avoiding a long lock */
@@ -1124,13 +1150,11 @@ static int MarshalStatus( intf_thread_t* p_intf, DBusMessageIter* args,
     playlist_t* p_playlist = NULL;
     input_thread_t* p_input = NULL;
 
-    p_playlist = pl_Yield( (vlc_object_t*) p_intf );
-    if( lock )
-        PL_LOCK;
+    p_playlist = pl_Hold( p_intf );
 
     i_state = 2;
 
-    p_input = p_playlist->p_input;
+    p_input = playlist_CurrentInput( p_playlist );
     if( p_input )
     {
         var_Get( p_input, "state", &val );
@@ -1140,20 +1164,16 @@ static int MarshalStatus( intf_thread_t* p_intf, DBusMessageIter* args,
             i_state = 1;
         else if( val.i_int <= PLAYING_S )
             i_state = 0;
+        vlc_object_release( p_input );
     }
 
-    var_Get( p_playlist, "random", &val );
-    i_random = val.i_int;
+    i_random = var_CreateGetBool( p_playlist, "random" );
 
-    var_Get( p_playlist, "repeat", &val );
-    i_repeat = val.i_int;
+    i_repeat = var_CreateGetBool( p_playlist, "repeat" );
 
-    var_Get( p_playlist, "loop", &val );
-    i_loop = val.i_int;
+    i_loop = var_CreateGetBool( p_playlist, "loop" );
 
-    if( lock )
-        PL_UNLOCK;
-    pl_Release( p_playlist );
+    pl_Release( p_intf );
 
     dbus_message_iter_open_container( args, DBUS_TYPE_STRUCT, NULL, &status );
     dbus_message_iter_append_basic( &status, DBUS_TYPE_INT32, &i_state );