/*****************************************************************************
* dbus.c : D-Bus control interface
*****************************************************************************
- * Copyright (C) 2006 Rafaël Carré
+ * Copyright © 2006-2008 Rafaël Carré
+ * Copyright © 2007-2008 Mirsal Ennaime
* $Id$
*
- * Author: Rafaël Carré <funman at videolanorg>
+ * Authors: Rafaël Carré <funman at videolanorg>
+ * Mirsal Ennaime <mirsal dot ennaime at gmail dot com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*****************************************************************************/
/*
- * D-Bus Specification:
+ * D-Bus Specification:
* http://dbus.freedesktop.org/doc/dbus-specification.html
* D-Bus low-level C API (libdbus)
* http://dbus.freedesktop.org/doc/dbus/api/html/index.html
- */
-
-/*
- * TODO:
- * properties ?
- *
- * macros to read incoming arguments
+ * extract:
+ * "If you use this low-level API directly, you're signing up for some pain."
*
- * explore different possible types (arrays..)
- *
- * what must we do if org.videolan.vlc already exist on the bus ?
- * ( there is more than one vlc instance )
+ * MPRIS Specification (still drafting on Jan, 23 of 2008):
+ * http://wiki.xmms2.xmms.se/index.php/MPRIS
*/
/*****************************************************************************
*****************************************************************************/
#include <dbus/dbus.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <sys/types.h> /* getpid() */
-#include <unistd.h> /* getpid() */
#include "dbus.h"
-#include <vlc/vlc.h>
-#include <vlc/intf.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#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 <math.h>
+
+#include <assert.h>
/*****************************************************************************
* Local prototypes.
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
-static void Run ( intf_thread_t * );
+static void Run ( intf_thread_t * );
+
+static int StateChange( vlc_object_t *, const char *, vlc_value_t,
+ vlc_value_t, void * );
+
+static int TrackChange( vlc_object_t *, const char *, vlc_value_t,
+ vlc_value_t, void * );
+
+static int StatusChangeEmit( vlc_object_t *, const char *, vlc_value_t,
+ vlc_value_t, void * );
+static int TrackListChangeEmit( vlc_object_t *, const char *, vlc_value_t,
+ vlc_value_t, void * );
-static int ItemChange( vlc_object_t *p_this, const char *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data );
+static int GetInputMeta ( input_item_t *, DBusMessageIter * );
+static int MarshalStatus ( intf_thread_t *, DBusMessageIter *, bool );
+static int UpdateCaps( intf_thread_t*, bool );
+
+/* GetCaps() capabilities */
+enum
+{
+ CAPS_NONE = 0,
+ CAPS_CAN_GO_NEXT = 1 << 0,
+ CAPS_CAN_GO_PREV = 1 << 1,
+ CAPS_CAN_PAUSE = 1 << 2,
+ CAPS_CAN_PLAY = 1 << 3,
+ CAPS_CAN_SEEK = 1 << 4,
+ CAPS_CAN_PROVIDE_METADATA = 1 << 5,
+ CAPS_CAN_HAS_TRACKLIST = 1 << 6
+};
struct intf_sys_t
{
DBusConnection *p_conn;
+ bool b_meta_read;
+ dbus_int32_t i_caps;
};
/*****************************************************************************
*****************************************************************************/
vlc_module_begin();
- set_shortname( _("dbus"));
+ set_shortname( N_("dbus"));
set_category( CAT_INTERFACE );
set_subcategory( SUBCAT_INTERFACE_CONTROL );
- set_description( _("D-Bus control interface") );
+ set_description( N_("D-Bus control interface") );
set_capability( "interface", 0 );
set_callbacks( Open, Close );
vlc_module_end();
* Methods
*****************************************************************************/
-DBUS_METHOD( Nothing )
-{ /* do nothing */
- REPLY_INIT;
- REPLY_SEND;
-}
+/* Player */
DBUS_METHOD( Quit )
{ /* exits vlc */
playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
playlist_Stop( p_playlist );
pl_Release( ((vlc_object_t*) p_this) );
- ((vlc_object_t*)p_this)->p_libvlc->b_die = VLC_TRUE;
+ 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;
+ OUT_ARGUMENTS;
+ 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;
+
+ if( !p_input )
+ i_pos = 0;
+ else
+ {
+ var_Get( p_input, "time", &position );
+ i_pos = position.i_time / 1000;
+ }
+ PL_UNLOCK;
+ pl_Release( ((vlc_object_t*) p_this) );
+ ADD_INT32( &i_pos );
+ REPLY_SEND;
+}
+
+DBUS_METHOD( PositionSet )
+{ /* set position in milliseconds */
+
+ REPLY_INIT;
+ vlc_value_t position;
+ playlist_t* p_playlist = NULL;
+ dbus_int32_t i_pos;
+
+ DBusError error;
+ dbus_error_init( &error );
+
+ dbus_message_get_args( p_from, &error,
+ DBUS_TYPE_INT32, &i_pos,
+ DBUS_TYPE_INVALID );
+
+ if( dbus_error_is_set( &error ) )
+ {
+ 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;
+ }
+ p_playlist = pl_Yield( ((vlc_object_t*) p_this) );
+ PL_LOCK;
+ input_thread_t *p_input = p_playlist->p_input;
+
+ if( p_input )
+ {
+ position.i_time = i_pos * 1000;
+ var_Set( p_input, "time", position );
+ }
+ PL_UNLOCK;
+ pl_Release( ((vlc_object_t*) p_this) );
+ REPLY_SEND;
+}
+
+DBUS_METHOD( VolumeGet )
+{ /* returns volume in percentage */
+ REPLY_INIT;
+ OUT_ARGUMENTS;
+ dbus_int32_t i_dbus_vol;
+ audio_volume_t i_vol;
+ /* 2nd argument of aout_VolumeGet is int32 */
+ aout_VolumeGet( (vlc_object_t*) p_this, &i_vol );
+ double f_vol = 100. * i_vol / AOUT_VOLUME_MAX;
+ i_dbus_vol = round( f_vol );
+ ADD_INT32( &i_dbus_vol );
+ REPLY_SEND;
+}
+
+DBUS_METHOD( VolumeSet )
+{ /* set volume in percentage */
+ REPLY_INIT;
+
+ DBusError error;
+ dbus_error_init( &error );
+
+ dbus_int32_t i_dbus_vol;
+ audio_volume_t i_vol;
+
+ dbus_message_get_args( p_from, &error,
+ DBUS_TYPE_INT32, &i_dbus_vol,
+ DBUS_TYPE_INVALID );
+
+ if( dbus_error_is_set( &error ) )
+ {
+ 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;
+ }
+
+ 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;
}
REPLY_SEND;
}
-DBUS_METHOD( GetPlayingItem )
-{ /* return the current item */
+DBUS_METHOD( GetStatus )
+{ /* returns the current status as a struct of 4 ints */
+/*
+ First 0 = Playing, 1 = Paused, 2 = Stopped.
+ Second 0 = Playing linearly , 1 = Playing randomly.
+ Third 0 = Go to the next element once the current has finished playing , 1 = Repeat the current element
+ Fourth 0 = Stop playing once the last element has been played, 1 = Never give up playing *
+ */
REPLY_INIT;
OUT_ARGUMENTS;
- char psz_no_input = '\0';
- char *p_psz_no_input = &psz_no_input;
- playlist_t *p_playlist = pl_Yield( ((vlc_object_t*) p_this) );
- input_thread_t *p_input = p_playlist->p_input;
- ADD_STRING( ( p_input ) ? &p_input->input.p_item->psz_name : &p_psz_no_input );
- pl_Release( ((vlc_object_t*) p_this) );
+
+ MarshalStatus( p_this, &args, true );
+
REPLY_SEND;
}
-DBUS_METHOD( GetPlayStatus )
-{ /* return a string */
+DBUS_METHOD( Pause )
+{
REPLY_INIT;
- OUT_ARGUMENTS;
+ playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
+ playlist_Pause( p_playlist );
+ pl_Release( (vlc_object_t*) p_this );
+ REPLY_SEND;
+}
- char *psz_play;
- vlc_value_t val;
+DBUS_METHOD( Play )
+{
+ REPLY_INIT;
playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
+
PL_LOCK;
input_thread_t *p_input = p_playlist->p_input;
+ if( p_input )
+ vlc_object_yield( p_input );
+ PL_UNLOCK;
- if( !p_input )
- psz_play = strdup( "stopped" );
- else
+ if( p_input )
{
- var_Get( p_input, "state", &val );
- if( val.i_int == PAUSE_S )
- psz_play = strdup( "pause" );
- else if( val.i_int == PLAYING_S )
- psz_play = strdup( "playing" );
- else psz_play = strdup( "unknown" );
+ double i_pos = 0;
+ input_Control( p_input, INPUT_SET_POSITION, i_pos );
+ vlc_object_release( p_input );
}
-
- PL_UNLOCK;
- pl_Release( p_playlist );
+ else
+ playlist_Play( p_playlist );
+
+ pl_Release( (vlc_object_t*) p_this );
+ REPLY_SEND;
+}
- ADD_STRING( &psz_play );
- free( psz_play );
+DBUS_METHOD( GetCurrentMetadata )
+{
+ REPLY_INIT;
+ OUT_ARGUMENTS;
+ playlist_t* p_playlist = pl_Yield( (vlc_object_t*) p_this );
+ PL_LOCK;
+ if( p_playlist->status.p_item )
+ GetInputMeta( p_playlist->status.p_item->p_input, &args );
+ PL_UNLOCK;
+ pl_Release( (vlc_object_t*) p_this );
REPLY_SEND;
}
-DBUS_METHOD( TogglePause )
-{ /* return a bool: true if playing */
+DBUS_METHOD( GetCaps )
+{
REPLY_INIT;
OUT_ARGUMENTS;
- vlc_value_t val;
- playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
- input_thread_t *p_input = p_playlist->p_input;
- if( p_input != NULL )
+ ADD_INT32( &((intf_thread_t*)p_this)->p_sys->i_caps );
+
+ REPLY_SEND;
+}
+
+/* Media Player information */
+
+DBUS_METHOD( Identity )
+{
+ VLC_UNUSED(p_this);
+ REPLY_INIT;
+ OUT_ARGUMENTS;
+ char *psz_identity;
+ if( asprintf( &psz_identity, "%s %s", PACKAGE, VERSION ) != -1 )
{
- var_Get( p_input, "state", &val );
- if( val.i_int != PAUSE_S )
- {
- val.i_int = PAUSE_S;
- playlist_Pause( p_playlist );
- }
- else
- {
- val.i_int = PLAYING_S;
- playlist_Play( p_playlist );
- }
+ ADD_STRING( &psz_identity );
+ free( psz_identity );
}
else
- {
- val.i_int = PLAYING_S;
- playlist_Play( p_playlist );
- }
- pl_Release( p_playlist );
+ return DBUS_HANDLER_RESULT_NEED_MEMORY;
- dbus_bool_t pause = ( val.i_int == PLAYING_S ) ? TRUE : FALSE;
- ADD_BOOL( &pause );
REPLY_SEND;
}
-DBUS_SIGNAL( NewInstance )
-{ /* emits a signal with vlc pid */
- SIGNAL_INIT( "NewInstance" );
- OUT_ARGUMENTS;
- dbus_uint32_t i_pid = (dbus_uint32_t) getpid();
- ADD_UINT32( &i_pid );
- SIGNAL_SEND;
-}
+/* TrackList */
-DBUS_METHOD( AddMRL )
+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 );
+ playlist_t* p_playlist = NULL;
- intf_thread_t *p_intf = (intf_thread_t*) p_this;
char *psz_mrl;
dbus_bool_t b_play;
if( dbus_error_is_set( &error ) )
{
- printf("error: %s\n", error.message );
+ 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;
+ }
+
+ p_playlist = pl_Yield( (vlc_object_t*) p_this );
+ playlist_Add( p_playlist, psz_mrl, NULL, PLAYLIST_APPEND |
+ ( ( b_play == TRUE ) ? PLAYLIST_GO : 0 ) ,
+ PLAYLIST_END, true, false );
+ pl_Release( (vlc_object_t*) p_this );
+
+ dbus_int32_t i_success = 0;
+ ADD_INT32( &i_success );
+
+ REPLY_SEND;
+}
+
+DBUS_METHOD( GetCurrentTrack )
+{
+ REPLY_INIT;
+ OUT_ARGUMENTS;
+
+ playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
+ dbus_int32_t i_position = p_playlist->i_current_index;
+ pl_Release( (vlc_object_t*) p_this );
+
+ ADD_INT32( &i_position );
+ REPLY_SEND;
+}
+
+DBUS_METHOD( GetMetadata )
+{
+ REPLY_INIT;
+ OUT_ARGUMENTS;
+ DBusError error;
+ dbus_error_init( &error );
+
+ dbus_int32_t i_position;
+
+ playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
+ PL_LOCK;
+
+ dbus_message_get_args( p_from, &error,
+ DBUS_TYPE_INT32, &i_position,
+ DBUS_TYPE_INVALID );
+
+ if( dbus_error_is_set( &error ) )
+ {
+ PL_UNLOCK;
+ 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->current.i_size )
+ {
+ GetInputMeta( p_playlist->current.p_elems[i_position]->p_input, &args );
+ }
+
+ PL_UNLOCK;
+ pl_Release( (vlc_object_t*) p_this );
+ REPLY_SEND;
+}
+
+DBUS_METHOD( GetLength )
+{
+ REPLY_INIT;
+ OUT_ARGUMENTS;
+
playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
- input_item_t *p_item = input_ItemNew( p_intf, psz_mrl, NULL );
- if( p_item )
+ dbus_int32_t i_elements = p_playlist->current.i_size;
+ pl_Release( (vlc_object_t*) p_this );
+
+ ADD_INT32( &i_elements );
+ REPLY_SEND;
+}
+
+DBUS_METHOD( DelTrack )
+{
+ REPLY_INIT;
+
+ DBusError error;
+ dbus_error_init( &error );
+
+ dbus_int32_t i_position;
+ playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
+
+ dbus_message_get_args( p_from, &error,
+ DBUS_TYPE_INT32, &i_position,
+ DBUS_TYPE_INVALID );
+
+ if( dbus_error_is_set( &error ) )
+ {
+ 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;
+ }
+
+ PL_LOCK;
+ if( i_position < p_playlist->current.i_size )
+ {
+ playlist_DeleteFromInput( p_playlist,
+ p_playlist->current.p_elems[i_position]->p_input->i_id,
+ pl_Locked );
+ }
+ PL_UNLOCK;
+
+ pl_Release( (vlc_object_t*) p_this );
+
+ REPLY_SEND;
+}
+
+DBUS_METHOD( SetLoop )
+{
+ REPLY_INIT;
+ OUT_ARGUMENTS;
+
+ DBusError error;
+ dbus_bool_t b_loop;
+ vlc_value_t val;
+ playlist_t* p_playlist = NULL;
+
+ dbus_error_init( &error );
+ dbus_message_get_args( p_from, &error,
+ DBUS_TYPE_BOOLEAN, &b_loop,
+ DBUS_TYPE_INVALID );
+
+ if( dbus_error_is_set( &error ) )
{
- playlist_AddInput( p_playlist, p_item,
- PLAYLIST_APPEND | ( ( b_play == TRUE ) ? PLAYLIST_GO : 0 ) ,
- PLAYLIST_END, VLC_TRUE );
+ 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;
}
- pl_Release( p_playlist );
+
+ val.b_bool = ( b_loop == TRUE ) ? true : false ;
+ p_playlist = pl_Yield( (vlc_object_t*) p_this );
+ var_Set ( p_playlist, "loop", val );
+ pl_Release( ((vlc_object_t*) p_this) );
REPLY_SEND;
}
+DBUS_METHOD( Repeat )
+{
+ REPLY_INIT;
+ OUT_ARGUMENTS;
+
+ DBusError error;
+ dbus_bool_t b_repeat;
+ vlc_value_t val;
+ playlist_t* p_playlist = NULL;
+
+ dbus_error_init( &error );
+ dbus_message_get_args( p_from, &error,
+ DBUS_TYPE_BOOLEAN, &b_repeat,
+ DBUS_TYPE_INVALID );
+
+ if( dbus_error_is_set( &error ) )
+ {
+ 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;
+ }
+
+ val.b_bool = ( b_repeat == TRUE ) ? true : false ;
+
+ p_playlist = pl_Yield( (vlc_object_t*) p_this );
+ var_Set ( p_playlist, "repeat", val );
+ pl_Release( ((vlc_object_t*) p_this) );
+
+ REPLY_SEND;
+}
+
+DBUS_METHOD( SetRandom )
+{
+ REPLY_INIT;
+ OUT_ARGUMENTS;
+
+ DBusError error;
+ dbus_bool_t b_random;
+ vlc_value_t val;
+ playlist_t* p_playlist = NULL;
+
+ dbus_error_init( &error );
+ dbus_message_get_args( p_from, &error,
+ DBUS_TYPE_BOOLEAN, &b_random,
+ DBUS_TYPE_INVALID );
+
+ if( dbus_error_is_set( &error ) )
+ {
+ 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;
+ }
+
+ val.b_bool = ( b_random == TRUE ) ? true : false ;
+
+ p_playlist = pl_Yield( (vlc_object_t*) p_this );
+ var_Set ( p_playlist, "random", val );
+ pl_Release( ((vlc_object_t*) p_this) );
+
+ REPLY_SEND;
+}
/*****************************************************************************
* Introspection method
*****************************************************************************/
-DBUS_METHOD( handle_introspect )
-{ /* handles introspection of /org/videolan/vlc */
+DBUS_METHOD( handle_introspect_root )
+{ /* handles introspection of root object */
+ VLC_UNUSED(p_this);
+ REPLY_INIT;
+ OUT_ARGUMENTS;
+ ADD_STRING( &psz_introspection_xml_data_root );
+ REPLY_SEND;
+}
+
+DBUS_METHOD( handle_introspect_player )
+{
+ VLC_UNUSED(p_this);
+ REPLY_INIT;
+ OUT_ARGUMENTS;
+ ADD_STRING( &psz_introspection_xml_data_player );
+ REPLY_SEND;
+}
+
+DBUS_METHOD( handle_introspect_tracklist )
+{
+ VLC_UNUSED(p_this);
REPLY_INIT;
OUT_ARGUMENTS;
- ADD_STRING( &psz_introspection_xml_data );
+ ADD_STRING( &psz_introspection_xml_data_tracklist );
REPLY_SEND;
}
/*****************************************************************************
- * handle_messages: answer to incoming messages
+ * handle_*: answer to incoming messages
*****************************************************************************/
#define METHOD_FUNC( method, function ) \
- else if( dbus_message_is_method_call( p_from, VLC_DBUS_INTERFACE, method ) )\
+ else if( dbus_message_is_method_call( p_from, MPRIS_DBUS_INTERFACE, method ) )\
return function( p_conn, p_from, p_this )
-DBUS_METHOD( handle_messages )
-{ /* the main handler, that call methods */
+DBUS_METHOD( handle_root )
+{
+
+ if( dbus_message_is_method_call( p_from,
+ DBUS_INTERFACE_INTROSPECTABLE, "Introspect" ) )
+ return handle_introspect_root( p_conn, p_from, p_this );
+
+ /* 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;
+}
+
+DBUS_METHOD( handle_player )
+{
if( dbus_message_is_method_call( p_from,
DBUS_INTERFACE_INTROSPECTABLE, "Introspect" ) )
- return handle_introspect( p_conn, p_from, p_this );
+ return handle_introspect_player( p_conn, p_from, p_this );
/* here D-Bus method's names are associated to an handler */
- METHOD_FUNC( "GetPlayStatus", GetPlayStatus );
- METHOD_FUNC( "GetPlayingItem", GetPlayingItem );
- METHOD_FUNC( "AddMRL", AddMRL );
- METHOD_FUNC( "TogglePause", TogglePause );
- METHOD_FUNC( "Nothing", Nothing );
- METHOD_FUNC( "Prev", Prev );
- METHOD_FUNC( "Next", Next );
- METHOD_FUNC( "Quit", Quit );
- METHOD_FUNC( "Stop", Stop );
+ METHOD_FUNC( "Prev", Prev );
+ METHOD_FUNC( "Next", Next );
+ METHOD_FUNC( "Stop", Stop );
+ METHOD_FUNC( "Play", Play );
+ METHOD_FUNC( "Pause", Pause );
+ METHOD_FUNC( "Repeat", Repeat );
+ METHOD_FUNC( "VolumeSet", VolumeSet );
+ METHOD_FUNC( "VolumeGet", VolumeGet );
+ METHOD_FUNC( "PositionSet", PositionSet );
+ METHOD_FUNC( "PositionGet", PositionGet );
+ METHOD_FUNC( "GetStatus", GetStatus );
+ METHOD_FUNC( "GetMetadata", GetCurrentMetadata );
+ METHOD_FUNC( "GetCaps", GetCaps );
+
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+
+DBUS_METHOD( handle_tracklist )
+{
+ if( dbus_message_is_method_call( p_from,
+ DBUS_INTERFACE_INTROSPECTABLE, "Introspect" ) )
+ return handle_introspect_tracklist( p_conn, p_from, p_this );
+
+ /* here D-Bus method's names are associated to an handler */
+
+ METHOD_FUNC( "GetMetadata", GetMetadata );
+ METHOD_FUNC( "GetCurrentTrack", GetCurrentTrack );
+ METHOD_FUNC( "GetLength", GetLength );
+ METHOD_FUNC( "AddTrack", AddTrack );
+ METHOD_FUNC( "DelTrack", DelTrack );
+ METHOD_FUNC( "SetLoop", SetLoop );
+ METHOD_FUNC( "SetRandom", SetRandom );
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
if( !p_sys )
return VLC_ENOMEM;
- dbus_threads_init_default();
-
+ p_sys->b_meta_read = false;
+ p_sys->i_caps = CAPS_NONE;
+
dbus_error_init( &error );
-
+
/* connect to the session bus */
p_conn = dbus_bus_get( DBUS_BUS_SESSION, &error );
if( !p_conn )
return VLC_EGENERIC;
}
- /* we unregister the object /, registered by libvlc */
- dbus_connection_unregister_object_path( p_conn, "/" );
+ /* register a well-known name on the bus */
+ dbus_bus_request_name( p_conn, VLC_MPRIS_DBUS_SERVICE, 0, &error );
+ if( dbus_error_is_set( &error ) )
+ {
+ msg_Err( p_this, "Error requesting service " VLC_MPRIS_DBUS_SERVICE
+ ": %s", error.message );
+ dbus_error_free( &error );
+ free( p_sys );
+ return VLC_EGENERIC;
+ }
- /* we register the object /org/videolan/vlc */
- dbus_connection_register_object_path( p_conn, VLC_DBUS_OBJECT_PATH,
- &vlc_dbus_vtable, p_this );
+ /* we register the objects */
+ dbus_connection_register_object_path( p_conn, MPRIS_DBUS_ROOT_PATH,
+ &vlc_dbus_root_vtable, p_this );
+ dbus_connection_register_object_path( p_conn, MPRIS_DBUS_PLAYER_PATH,
+ &vlc_dbus_player_vtable, p_this );
+ dbus_connection_register_object_path( p_conn, MPRIS_DBUS_TRACKLIST_PATH,
+ &vlc_dbus_tracklist_vtable, p_this );
dbus_connection_flush( p_conn );
p_playlist = pl_Yield( p_intf );
PL_LOCK;
- var_AddCallback( p_playlist, "playlist-current", ItemChange, p_intf );
+ var_AddCallback( p_playlist, "playlist-current", TrackChange, p_intf );
+ var_AddCallback( p_playlist, "intf-change", TrackListChangeEmit, p_intf );
+ var_AddCallback( p_playlist, "item-append", TrackListChangeEmit, p_intf );
+ var_AddCallback( p_playlist, "item-deleted", TrackListChangeEmit, p_intf );
+ var_AddCallback( p_playlist, "random", StatusChangeEmit, p_intf );
+ 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;
}
{
intf_thread_t *p_intf = (intf_thread_t*) p_this;
playlist_t *p_playlist = pl_Yield( p_intf );;
+ input_thread_t *p_input;
+
+ p_this->b_dead = true;
PL_LOCK;
- var_DelCallback( p_playlist, "playlist-current", ItemChange, p_intf );
+ 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 );
+ var_DelCallback( p_playlist, "item-deleted", TrackListChangeEmit, p_intf );
+ var_DelCallback( p_playlist, "random", StatusChangeEmit, p_intf );
+ var_DelCallback( p_playlist, "repeat", StatusChangeEmit, p_intf );
+ var_DelCallback( p_playlist, "loop", StatusChangeEmit, p_intf );
+
+ p_input = p_playlist->p_input;
+ 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 );
free( p_intf->p_sys );
}
/*****************************************************************************
- * Run: main loop
+ * Run: main loop
*****************************************************************************/
static void Run ( intf_thread_t *p_intf )
{
- NewInstance( p_intf->p_sys->p_conn, NULL );
-
- while( !p_intf->b_die )
+ while( !intf_ShouldDie( p_intf ) )
{
msleep( INTF_IDLE_SLEEP );
dbus_connection_read_write_dispatch( p_intf->p_sys->p_conn, 0 );
}
}
+/******************************************************************************
+ * 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
+ *****************************************************************************/
+DBUS_SIGNAL( TrackListChangeSignal )
+{ /* emit the new tracklist lengh */
+ SIGNAL_INIT("TrackListChange");
+ OUT_ARGUMENTS;
+
+ playlist_t *p_playlist = pl_Yield( (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;
+}
+
+/*****************************************************************************
+ * TrackListChangeEmit: Emits the TrackListChange signal
+ *****************************************************************************/
+/* FIXME: It is not called on tracklist reordering */
+static int TrackListChangeEmit( vlc_object_t *p_this, const char *psz_var,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ VLC_UNUSED(oldval);
+ intf_thread_t *p_intf = p_data;
+
+ if( !strcmp( psz_var, "item-append" ) || !strcmp( psz_var, "item-remove" ) )
+ {
+ /* don't signal when items are added/removed in p_category */
+ 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, pl_Locked );
+ assert( p_item );
+ while( p_item->p_parent )
+ p_item = p_item->p_parent;
+ if( p_item == p_playlist->p_root_category )
+ return VLC_SUCCESS;
+ }
+
+ if( p_intf->b_dead )
+ return VLC_SUCCESS;
+
+ UpdateCaps( p_intf, true );
+ TrackListChangeSignal( p_intf->p_sys->p_conn, p_data );
+ return VLC_SUCCESS;
+}
+/*****************************************************************************
+ * TrackChange: Playlist item change callback
+ *****************************************************************************/
+
+DBUS_SIGNAL( TrackChangeSignal )
+{ /* emit the metadata of the new item */
+ SIGNAL_INIT( "TrackChange" );
+ OUT_ARGUMENTS;
+
+ input_item_t *p_item = (input_item_t*) p_data;
+ GetInputMeta ( p_item, &args );
+
+ SIGNAL_SEND;
+}
+
/*****************************************************************************
- * ItemChange: Playlist item change callback
+ * StatusChange: Player status change signal
*****************************************************************************/
-DBUS_SIGNAL( ItemChangeSignal )
-{ /* emit the name of the new item */
- SIGNAL_INIT( "ItemChange" );
+DBUS_SIGNAL( StatusChangeSignal )
+{ /* send the updated status info on the bus */
+ SIGNAL_INIT( "StatusChange" );
OUT_ARGUMENTS;
- input_thread_t *p_input = (input_thread_t*) p_data;
- ADD_STRING( &p_input->input.p_item->psz_name );
+ /* 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, false );
SIGNAL_SEND;
}
-static int ItemChange( vlc_object_t *p_this, const char *psz_var,
+/*****************************************************************************
+ * StateChange: callback on input "state"
+ *****************************************************************************/
+static int StateChange( vlc_object_t *p_this, const char* psz_var,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ VLC_UNUSED(psz_var); VLC_UNUSED(oldval);
+ intf_thread_t *p_intf = ( intf_thread_t* ) p_data;
+ intf_sys_t *p_sys = p_intf->p_sys;
+
+ if( p_intf->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 = true;
+ TrackChangeSignal( p_sys->p_conn, p_item );
+ }
+ }
+
+ if( newval.i_int == PLAYING_S || newval.i_int == PAUSE_S ||
+ newval.i_int == STOP_S || newval.i_int == END_S )
+ {
+ StatusChangeSignal( p_sys->p_conn, (void*) p_intf );
+ }
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * StatusChangeEmit: Emits the StatusChange signal
+ *****************************************************************************/
+static int StatusChangeEmit( vlc_object_t *p_this, const char *psz_var,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ VLC_UNUSED(p_this); VLC_UNUSED(psz_var);
+ VLC_UNUSED(oldval); VLC_UNUSED(newval);
+ intf_thread_t *p_intf = p_data;
+
+ if( p_intf->b_dead )
+ return VLC_SUCCESS;
+
+ UpdateCaps( p_intf, false );
+ StatusChangeSignal( p_intf->p_sys->p_conn, p_data );
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * TrackChange: callback on playlist "playlist-current"
+ *****************************************************************************/
+static int TrackChange( vlc_object_t *p_this, const char *psz_var,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
intf_thread_t *p_intf = ( intf_thread_t* ) p_data;
intf_sys_t *p_sys = p_intf->p_sys;
playlist_t *p_playlist;
input_thread_t *p_input = NULL;
- (void)p_this; (void)psz_var; (void)oldval; (void)newval;
+ input_item_t *p_item = NULL;
+ VLC_UNUSED( p_this ); VLC_UNUSED( psz_var );
+ VLC_UNUSED( oldval ); VLC_UNUSED( newval );
+
+ if( p_intf->b_dead )
+ return VLC_SUCCESS;
+
+ p_sys->b_meta_read = false;
p_playlist = pl_Yield( p_intf );
- PL_LOCK;
p_input = p_playlist->p_input;
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 );
- ItemChangeSignal( p_sys->p_conn, p_input );
+ p_item = input_GetItem( p_input );
+ if( !p_item )
+ {
+ vlc_object_release( p_input );
+ return VLC_EGENERIC;
+ }
+
+ if( input_item_IsPreparsed( p_item ) )
+ {
+ p_sys->b_meta_read = true;
+ TrackChangeSignal( p_sys->p_conn, p_item );
+ }
+
+ var_AddCallback( p_input, "state", StateChange, p_intf );
vlc_object_release( p_input );
return VLC_SUCCESS;
}
+/*****************************************************************************
+ * 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_Yield( 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( p_playlist->p_input )
+ {
+ /* XXX: if UpdateCaps() is called too early, these are
+ * unconditionnaly true */
+ if( var_GetBool( p_playlist->p_input, "can-pause" ) )
+ i_caps |= CAPS_CAN_PAUSE;
+ if( var_GetBool( p_playlist->p_input, "seekable" ) )
+ i_caps |= CAPS_CAN_SEEK;
+ }
+
+ if( !b_playlist_locked ) PL_UNLOCK;
+ pl_Release( p_intf );
+
+ if( p_sys->b_meta_read )
+ i_caps |= CAPS_CAN_PROVIDE_METADATA;
+
+ 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 );
+ }
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * GetInputMeta: Fill a DBusMessage with the given input item metadata
+ *****************************************************************************/
+
+#define ADD_META( entry, type, data ) \
+ if( data ) { \
+ dbus_message_iter_open_container( &dict, DBUS_TYPE_DICT_ENTRY, \
+ NULL, &dict_entry ); \
+ dbus_message_iter_append_basic( &dict_entry, DBUS_TYPE_STRING, \
+ &ppsz_meta_items[entry] ); \
+ dbus_message_iter_open_container( &dict_entry, DBUS_TYPE_VARIANT, \
+ type##_AS_STRING, &variant ); \
+ dbus_message_iter_append_basic( &variant, \
+ type, \
+ & data ); \
+ dbus_message_iter_close_container( &dict_entry, &variant ); \
+ dbus_message_iter_close_container( &dict, &dict_entry ); }
+
+#define ADD_VLC_META_STRING( entry, item ) \
+ { \
+ char * psz = input_item_Get##item( p_input );\
+ ADD_META( entry, DBUS_TYPE_STRING, \
+ psz ); \
+ free( psz ); \
+ }
+
+static int GetInputMeta( input_item_t* p_input,
+ DBusMessageIter *args )
+{
+ DBusMessageIter dict, dict_entry, variant;
+ /* We need the track length to be expressed in milli-seconds
+ * instead of µ-seconds */
+ dbus_int64_t i_length = ( input_item_GetDuration( p_input ) / 1000 );
+
+ const char* ppsz_meta_items[] =
+ {
+ "title", "artist", "genre", "copyright", "album", "tracknum",
+ "description", "rating", "date", "setting", "url", "language",
+ "nowplaying", "publisher", "encodedby", "arturl", "trackid",
+ "status", "location", "length", "video-codec", "audio-codec",
+ "video-bitrate", "audio-bitrate", "audio-samplerate"
+ };
+
+ dbus_message_iter_open_container( args, DBUS_TYPE_ARRAY, "{sv}", &dict );
+
+ ADD_VLC_META_STRING( 0, Title );
+ ADD_VLC_META_STRING( 1, Artist );
+ ADD_VLC_META_STRING( 2, Genre );
+ ADD_VLC_META_STRING( 3, Copyright );
+ ADD_VLC_META_STRING( 4, Album );
+ ADD_VLC_META_STRING( 5, TrackNum );
+ ADD_VLC_META_STRING( 6, Description );
+ ADD_VLC_META_STRING( 7, Rating );
+ ADD_VLC_META_STRING( 8, Date );
+ ADD_VLC_META_STRING( 9, Setting );
+ ADD_VLC_META_STRING( 10, URL );
+ ADD_VLC_META_STRING( 11, Language );
+ ADD_VLC_META_STRING( 12, NowPlaying );
+ ADD_VLC_META_STRING( 13, Publisher );
+ ADD_VLC_META_STRING( 14, EncodedBy );
+ ADD_VLC_META_STRING( 15, ArtURL );
+ ADD_VLC_META_STRING( 16, TrackID );
+
+ vlc_mutex_lock( &p_input->lock );
+ if( p_input->p_meta )
+ ADD_META( 17, DBUS_TYPE_INT32, p_input->p_meta->i_status );
+ vlc_mutex_unlock( &p_input->lock );
+
+ ADD_VLC_META_STRING( 18, URI );
+ ADD_META( 19, DBUS_TYPE_INT64, i_length );
+
+ dbus_message_iter_close_container( args, &dict );
+ return VLC_SUCCESS;
+}
+
+#undef ADD_META
+#undef ADD_VLC_META_STRING
+
+/*****************************************************************************
+ * MarshalStatus: Fill a DBusMessage with the current player status
+ *****************************************************************************/
+
+static int MarshalStatus( intf_thread_t* p_intf, DBusMessageIter* args,
+ 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 */
+
+ DBusMessageIter status;
+ dbus_int32_t i_state, i_random, i_repeat, i_loop;
+ vlc_value_t val;
+ playlist_t* p_playlist = NULL;
+ input_thread_t* p_input = NULL;
+
+ p_playlist = pl_Yield( p_intf );
+ if( lock )
+ PL_LOCK;
+
+ i_state = 2;
+
+ p_input = p_playlist->p_input;
+ if( p_input )
+ {
+ var_Get( p_input, "state", &val );
+ if( val.i_int >= END_S )
+ i_state = 2;
+ else if( val.i_int == PAUSE_S )
+ i_state = 1;
+ else if( val.i_int <= PLAYING_S )
+ i_state = 0;
+ }
+
+ i_random = var_CreateGetBool( p_playlist, "random" );
+
+ i_repeat = var_CreateGetBool( p_playlist, "repeat" );
+
+ i_loop = var_CreateGetBool( p_playlist, "loop" );
+
+ if( lock )
+ PL_UNLOCK;
+ 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 );
+ dbus_message_iter_append_basic( &status, DBUS_TYPE_INT32, &i_random );
+ dbus_message_iter_append_basic( &status, DBUS_TYPE_INT32, &i_repeat );
+ dbus_message_iter_append_basic( &status, DBUS_TYPE_INT32, &i_loop );
+ dbus_message_iter_close_container( args, &status );
+
+ return VLC_SUCCESS;
+}