+++ /dev/null
-/*****************************************************************************
- * dbus.c : D-Bus control interface
- *****************************************************************************
- * Copyright © 2006-2008 Rafaël Carré
- * Copyright © 2007-2008 Mirsal Ennaime
- * Copyright © 2009 The VideoLAN team
- * $Id$
- *
- * 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
- * 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
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
-/*
- * 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
- * extract:
- * "If you use this low-level API directly, you're signing up for some pain."
- *
- * MPRIS Specification version 1.0
- * http://wiki.xmms2.xmms.se/index.php/MPRIS
- */
-
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#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_playlist.h>
-#include <vlc_meta.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 int StateChange( intf_thread_t *, int );
-static int TrackChange( intf_thread_t * );
-static int StatusChangeEmit( intf_thread_t *);
-static int TrackListChangeEmit( intf_thread_t *, int, int );
-
-static int AllCallback( 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 * );
-static int UpdateCaps( intf_thread_t* );
-
-/* 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
-};
-
-// The signal that can be get from the callbacks
-enum
-{
- SIGNAL_ITEM_CURRENT,
- SIGNAL_INTF_CHANGE,
- SIGNAL_PLAYLIST_ITEM_APPEND,
- SIGNAL_PLAYLIST_ITEM_DELETED,
- SIGNAL_RANDOM,
- SIGNAL_REPEAT,
- SIGNAL_LOOP,
- SIGNAL_STATE
-};
-
-struct intf_sys_t
-{
- DBusConnection *p_conn;
- playlist_t *p_playlist;
- bool b_meta_read;
- dbus_int32_t i_caps;
- bool b_dead;
- vlc_array_t *p_events;
- vlc_mutex_t lock;
- input_thread_t *p_input;
- bool b_unique;
-};
-
-typedef struct
-{
- int signal;
- int i_node;
- int i_input_state;
-} callback_info_t;
-
-#define INTF ((intf_thread_t *)p_this)
-#define PL (INTF->p_sys->p_playlist)
-
-
-/*****************************************************************************
- * Module descriptor
- *****************************************************************************/
-#define DBUS_UNIQUE_TEXT N_("Unique DBUS service id (org.mpris.vlc-<pid>)")
-#define DBUS_UNIQUE_LONGTEXT N_( \
- "Use a unique dbus service id to identify this VLC instance on the DBUS bus. " \
- "The process identifier (PID) is added to the service name: org.mpris.vlc-<pid>" )
-
-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 )
- add_bool( "dbus-unique-service-id", false, NULL,
- DBUS_UNIQUE_TEXT, DBUS_UNIQUE_LONGTEXT, true )
-vlc_module_end ()
-
-/*****************************************************************************
- * Methods
- *****************************************************************************/
-
-/* Player */
-
-DBUS_METHOD( Quit )
-{ /* exits vlc */
- REPLY_INIT;
- libvlc_Quit(INTF->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;
- dbus_int32_t i_pos;
-
- input_thread_t *p_input = playlist_CurrentInput( PL );
-
- if( !p_input )
- i_pos = 0;
- else
- {
- i_pos = var_GetTime( p_input, "time" ) / 1000;
- vlc_object_release( p_input );
- }
- ADD_INT32( &i_pos );
- REPLY_SEND;
-}
-
-DBUS_METHOD( PositionSet )
-{ /* set position in milliseconds */
-
- REPLY_INIT;
- vlc_value_t position;
- 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",
- error.message );
- dbus_error_free( &error );
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
- }
- input_thread_t *p_input = playlist_CurrentInput( PL );
-
- if( p_input )
- {
- position.i_time = ((mtime_t)i_pos) * 1000;
- var_Set( p_input, "time", position );
- vlc_object_release( p_input );
- }
- 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( PL, &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",
- 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( PL, i_vol );
- REPLY_SEND;
-}
-
-DBUS_METHOD( Next )
-{ /* next playlist item */
- REPLY_INIT;
- playlist_Next( PL );
- REPLY_SEND;
-}
-
-DBUS_METHOD( Prev )
-{ /* previous playlist item */
- REPLY_INIT;
- playlist_Prev( PL );
- REPLY_SEND;
-}
-
-DBUS_METHOD( Stop )
-{ /* stop playing */
- REPLY_INIT;
- playlist_Stop( PL );
- REPLY_SEND;
-}
-
-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;
-
- MarshalStatus( p_this, &args );
-
- REPLY_SEND;
-}
-
-DBUS_METHOD( Pause )
-{
- REPLY_INIT;
- playlist_Pause( PL );
- REPLY_SEND;
-}
-
-DBUS_METHOD( Play )
-{
- REPLY_INIT;
-
- input_thread_t *p_input = playlist_CurrentInput( PL );
-
- if( p_input )
- {
- double i_pos = 0;
- input_Control( p_input, INPUT_SET_POSITION, i_pos );
- vlc_object_release( p_input );
- }
- else
- playlist_Play( PL );
-
- REPLY_SEND;
-}
-
-DBUS_METHOD( GetCurrentMetadata )
-{
- REPLY_INIT;
- OUT_ARGUMENTS;
- playlist_t *p_playlist = PL;
-
- PL_LOCK;
- playlist_item_t* p_item = playlist_CurrentPlayingItem( p_playlist );
- if( p_item )
- GetInputMeta( p_item->p_input, &args );
- PL_UNLOCK;
- REPLY_SEND;
-}
-
-DBUS_METHOD( GetCaps )
-{
- REPLY_INIT;
- OUT_ARGUMENTS;
-
- ADD_INT32( &INTF->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 )
- {
- ADD_STRING( &psz_identity );
- free( psz_identity );
- }
- else
- return DBUS_HANDLER_RESULT_NEED_MEMORY;
-
- REPLY_SEND;
-}
-
-/* TrackList */
-
-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 );
-
- char *psz_mrl;
- dbus_bool_t b_play;
-
- dbus_message_get_args( p_from, &error,
- DBUS_TYPE_STRING, &psz_mrl,
- DBUS_TYPE_BOOLEAN, &b_play,
- DBUS_TYPE_INVALID );
-
- if( dbus_error_is_set( &error ) )
- {
- msg_Err( (vlc_object_t*) p_this, "D-Bus message reading : %s",
- error.message );
- dbus_error_free( &error );
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
- }
-
- playlist_Add( PL, psz_mrl, NULL, PLAYLIST_APPEND |
- ( ( b_play == TRUE ) ? PLAYLIST_GO : 0 ) ,
- PLAYLIST_END, true, false );
-
- dbus_int32_t i_success = 0;
- ADD_INT32( &i_success );
-
- REPLY_SEND;
-}
-
-DBUS_METHOD( GetCurrentTrack )
-{
- REPLY_INIT;
- OUT_ARGUMENTS;
-
- playlist_t *p_playlist = PL;
-
- PL_LOCK;
- dbus_int32_t i_position = PL->i_current_index;
- PL_UNLOCK;
-
- 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;
-
- 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",
- error.message );
- dbus_error_free( &error );
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
- }
-
- PL_LOCK;
- if( i_position < p_playlist->current.i_size )
- {
- GetInputMeta( p_playlist->current.p_elems[i_position]->p_input, &args );
- }
-
- PL_UNLOCK;
- REPLY_SEND;
-}
-
-DBUS_METHOD( GetLength )
-{
- REPLY_INIT;
- OUT_ARGUMENTS;
- playlist_t *p_playlist = PL;
-
- PL_LOCK;
- dbus_int32_t i_elements = PL->current.i_size;
- PL_UNLOCK;
-
- 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;
-
- 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",
- 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,
- pl_Locked );
- }
- PL_UNLOCK;
-
- REPLY_SEND;
-}
-
-DBUS_METHOD( SetLoop )
-{
- REPLY_INIT;
- OUT_ARGUMENTS;
-
- DBusError error;
- dbus_bool_t b_loop;
-
- 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 ) )
- {
- msg_Err( (vlc_object_t*) p_this, "D-Bus message reading : %s",
- error.message );
- dbus_error_free( &error );
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
- }
-
- var_SetBool( PL, "loop", ( b_loop == TRUE ) );
-
- REPLY_SEND;
-}
-
-DBUS_METHOD( Repeat )
-{
- REPLY_INIT;
- OUT_ARGUMENTS;
-
- DBusError error;
- dbus_bool_t b_repeat;
-
- 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",
- error.message );
- dbus_error_free( &error );
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
- }
-
- var_SetBool( PL, "repeat", ( b_repeat == TRUE ) );
-
- REPLY_SEND;
-}
-
-DBUS_METHOD( SetRandom )
-{
- REPLY_INIT;
- OUT_ARGUMENTS;
-
- DBusError error;
- dbus_bool_t b_random;
-
- 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",
- error.message );
- dbus_error_free( &error );
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
- }
-
- var_SetBool( PL, "random", ( b_random == TRUE ) );
-
- REPLY_SEND;
-}
-/*****************************************************************************
- * Introspection method
- *****************************************************************************/
-
-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_tracklist );
- REPLY_SEND;
-}
-
-/*****************************************************************************
- * handle_*: answer to incoming messages
- *****************************************************************************/
-
-#define METHOD_FUNC( interface, method, function ) \
- else if( dbus_message_is_method_call( p_from, interface, method ) )\
- return function( p_conn, p_from, p_this )
-
-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( MPRIS_DBUS_ROOT_INTERFACE, "Identity", Identity );
- METHOD_FUNC( MPRIS_DBUS_ROOT_INTERFACE, "MprisVersion", MprisVersion );
- METHOD_FUNC( MPRIS_DBUS_ROOT_INTERFACE, "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_player( p_conn, p_from, p_this );
-
- /* here D-Bus method's names are associated to an handler */
-
- METHOD_FUNC( MPRIS_DBUS_PLAYER_INTERFACE, "Prev", Prev );
- METHOD_FUNC( MPRIS_DBUS_PLAYER_INTERFACE, "Next", Next );
- METHOD_FUNC( MPRIS_DBUS_PLAYER_INTERFACE, "Stop", Stop );
- METHOD_FUNC( MPRIS_DBUS_PLAYER_INTERFACE, "Play", Play );
- METHOD_FUNC( MPRIS_DBUS_PLAYER_INTERFACE, "Pause", Pause );
- METHOD_FUNC( MPRIS_DBUS_PLAYER_INTERFACE, "Repeat", Repeat );
- METHOD_FUNC( MPRIS_DBUS_PLAYER_INTERFACE, "VolumeSet", VolumeSet );
- METHOD_FUNC( MPRIS_DBUS_PLAYER_INTERFACE, "VolumeGet", VolumeGet );
- METHOD_FUNC( MPRIS_DBUS_PLAYER_INTERFACE, "PositionSet", PositionSet );
- METHOD_FUNC( MPRIS_DBUS_PLAYER_INTERFACE, "PositionGet", PositionGet );
- METHOD_FUNC( MPRIS_DBUS_PLAYER_INTERFACE, "GetStatus", GetStatus );
- METHOD_FUNC( MPRIS_DBUS_PLAYER_INTERFACE, "GetMetadata", GetCurrentMetadata );
- METHOD_FUNC( MPRIS_DBUS_PLAYER_INTERFACE, "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( MPRIS_DBUS_TRACKLIST_INTERFACE, "GetMetadata", GetMetadata );
- METHOD_FUNC( MPRIS_DBUS_TRACKLIST_INTERFACE, "GetCurrentTrack", GetCurrentTrack );
- METHOD_FUNC( MPRIS_DBUS_TRACKLIST_INTERFACE, "GetLength", GetLength );
- METHOD_FUNC( MPRIS_DBUS_TRACKLIST_INTERFACE, "AddTrack", AddTrack );
- METHOD_FUNC( MPRIS_DBUS_TRACKLIST_INTERFACE, "DelTrack", DelTrack );
- METHOD_FUNC( MPRIS_DBUS_TRACKLIST_INTERFACE, "SetLoop", SetLoop );
- METHOD_FUNC( MPRIS_DBUS_TRACKLIST_INTERFACE, "SetRandom", SetRandom );
-
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-/*****************************************************************************
- * Open: initialize interface
- *****************************************************************************/
-
-static int Open( vlc_object_t *p_this )
-{ /* initialisation of the connection */
- intf_thread_t *p_intf = (intf_thread_t*)p_this;
- intf_sys_t *p_sys = malloc( sizeof( intf_sys_t ) );
- playlist_t *p_playlist;
- DBusConnection *p_conn;
- DBusError error;
- char *psz_service_name = NULL;
-
- if( !p_sys )
- return VLC_ENOMEM;
-
- p_sys->b_meta_read = false;
- p_sys->i_caps = CAPS_NONE;
- p_sys->b_dead = false;
- p_sys->p_input = NULL;
-
- p_sys->b_unique = var_CreateGetBool( p_intf, "dbus-unique-service-id" );
- if( p_sys->b_unique )
- {
- if( asprintf( &psz_service_name, "%s-%d",
- VLC_MPRIS_DBUS_SERVICE, getpid() ) < 0 )
- {
- free( p_sys );
- return VLC_ENOMEM;
- }
- }
- else
- {
- psz_service_name = strdup(VLC_MPRIS_DBUS_SERVICE);
- }
-
- dbus_error_init( &error );
-
- /* connect to the session bus */
- p_conn = dbus_bus_get( DBUS_BUS_SESSION, &error );
- if( !p_conn )
- {
- msg_Err( p_this, "Failed to connect to the D-Bus session daemon: %s",
- error.message );
- dbus_error_free( &error );
- free( p_sys );
- return VLC_EGENERIC;
- }
-
- /* register a well-known name on the bus */
- dbus_bus_request_name( p_conn, psz_service_name, 0, &error );
- if( dbus_error_is_set( &error ) )
- {
- msg_Err( p_this, "Error requesting service %s: %s",
- psz_service_name, error.message );
- dbus_error_free( &error );
- free( psz_service_name );
- free( p_sys );
- return VLC_EGENERIC;
- }
- msg_Info( p_intf, "listening on dbus as: %s", psz_service_name );
- free( psz_service_name );
-
- /* 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_intf->pf_run = Run;
- p_intf->p_sys = p_sys;
- p_sys->p_conn = p_conn;
- p_sys->p_events = vlc_array_new();
- vlc_mutex_init( &p_sys->lock );
-
- p_playlist = pl_Get( p_intf );
- p_sys->p_playlist = p_playlist;
-
- var_AddCallback( p_playlist, "item-current", AllCallback, p_intf );
- var_AddCallback( p_playlist, "intf-change", AllCallback, p_intf );
- var_AddCallback( p_playlist, "playlist-item-append", AllCallback, p_intf );
- var_AddCallback( p_playlist, "playlist-item-deleted", AllCallback, p_intf );
- var_AddCallback( p_playlist, "random", AllCallback, p_intf );
- var_AddCallback( p_playlist, "repeat", AllCallback, p_intf );
- var_AddCallback( p_playlist, "loop", AllCallback, p_intf );
-
- UpdateCaps( p_intf );
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * Close: destroy interface
- *****************************************************************************/
-
-static void Close ( vlc_object_t *p_this )
-{
- intf_thread_t *p_intf = (intf_thread_t*) p_this;
- intf_sys_t *p_sys = p_intf->p_sys;
- playlist_t *p_playlist = p_sys->p_playlist;
-
- var_DelCallback( p_playlist, "item-current", AllCallback, p_intf );
- var_DelCallback( p_playlist, "intf-change", AllCallback, p_intf );
- var_DelCallback( p_playlist, "playlist-item-append", AllCallback, p_intf );
- var_DelCallback( p_playlist, "playlist-item-deleted", AllCallback, p_intf );
- var_DelCallback( p_playlist, "random", AllCallback, p_intf );
- var_DelCallback( p_playlist, "repeat", AllCallback, p_intf );
- var_DelCallback( p_playlist, "loop", AllCallback, p_intf );
-
- if( p_sys->p_input )
- {
- var_DelCallback( p_sys->p_input, "state", AllCallback, p_intf );
- vlc_object_release( p_sys->p_input );
- }
-
- dbus_connection_unref( p_sys->p_conn );
-
- // Free the events array
- for( int i = 0; i < vlc_array_count( p_sys->p_events ); i++ )
- {
- callback_info_t* info = vlc_array_item_at_index( p_sys->p_events, i );
- free( info );
- }
- vlc_mutex_destroy( &p_sys->lock );
- vlc_array_destroy( p_sys->p_events );
- free( p_sys );
-}
-
-/*****************************************************************************
- * Run: main loop
- *****************************************************************************/
-
-static void Run ( intf_thread_t *p_intf )
-{
- for( ;; )
- {
- if( dbus_connection_get_dispatch_status(p_intf->p_sys->p_conn)
- == DBUS_DISPATCH_COMPLETE )
- msleep( INTF_IDLE_SLEEP );
- int canc = vlc_savecancel();
- dbus_connection_read_write_dispatch( p_intf->p_sys->p_conn, 0 );
-
- /* Get the list of events to process
- *
- * We can't keep the lock on p_intf->p_sys->p_events, else we risk a
- * deadlock:
- * The signal functions could lock mutex X while p_events is locked;
- * While some other function in vlc (playlist) might lock mutex X
- * and then set a variable which would call AllCallback(), which itself
- * needs to lock p_events to add a new event.
- */
- vlc_mutex_lock( &p_intf->p_sys->lock );
- int i_events = vlc_array_count( p_intf->p_sys->p_events );
- callback_info_t* info[i_events];
- for( int i = i_events - 1; i >= 0; i-- )
- {
- info[i] = vlc_array_item_at_index( p_intf->p_sys->p_events, i );
- vlc_array_remove( p_intf->p_sys->p_events, i );
- }
- vlc_mutex_unlock( &p_intf->p_sys->lock );
-
- for( int i = 0; i < i_events; i++ )
- {
- switch( info[i]->signal )
- {
- case SIGNAL_ITEM_CURRENT:
- TrackChange( p_intf );
- break;
- case SIGNAL_INTF_CHANGE:
- case SIGNAL_PLAYLIST_ITEM_APPEND:
- case SIGNAL_PLAYLIST_ITEM_DELETED:
- TrackListChangeEmit( p_intf, info[i]->signal, info[i]->i_node );
- break;
- case SIGNAL_RANDOM:
- case SIGNAL_REPEAT:
- case SIGNAL_LOOP:
- StatusChangeEmit( p_intf );
- break;
- case SIGNAL_STATE:
- StateChange( p_intf, info[i]->i_input_state );
- break;
- default:
- assert(0);
- }
- free( info[i] );
- }
- vlc_restorecancel( canc );
- }
-}
-
-
-// Get all the callbacks
-static int AllCallback( vlc_object_t *p_this, const char *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
-{
- (void)p_this;
- (void)oldval;
- intf_thread_t *p_intf = (intf_thread_t*)p_data;
-
- callback_info_t *info = malloc( sizeof( callback_info_t ) );
- if( !info )
- return VLC_ENOMEM;
-
- // Wich event is it ?
- if( !strcmp( "item-current", psz_var ) )
- info->signal = SIGNAL_ITEM_CURRENT;
- else if( !strcmp( "intf-change", psz_var ) )
- info->signal = SIGNAL_INTF_CHANGE;
- else if( !strcmp( "playlist-item-append", psz_var ) )
- {
- info->signal = SIGNAL_PLAYLIST_ITEM_APPEND;
- info->i_node = ((playlist_add_t*)newval.p_address)->i_node;
- }
- else if( !strcmp( "playlist-item-deleted", psz_var ) )
- info->signal = SIGNAL_PLAYLIST_ITEM_DELETED;
- else if( !strcmp( "random", psz_var ) )
- info->signal = SIGNAL_RANDOM;
- else if( !strcmp( "repeat", psz_var ) )
- info->signal = SIGNAL_REPEAT;
- else if( !strcmp( "loop", psz_var ) )
- info->signal = SIGNAL_LOOP;
- else if( !strcmp( "state", psz_var ) )
- {
- info->signal = SIGNAL_STATE;
- info->i_input_state = newval.i_int;
- }
- else
- assert(0);
-
- // Append the event
- vlc_mutex_lock( &p_intf->p_sys->lock );
- vlc_array_append( p_intf->p_sys->p_events, info );
- vlc_mutex_unlock( &p_intf->p_sys->lock );
- return VLC_SUCCESS;
-}
-
-/******************************************************************************
- * CapsChange: player capabilities change signal
- *****************************************************************************/
-DBUS_SIGNAL( CapsChangeSignal )
-{
- SIGNAL_INIT( MPRIS_DBUS_PLAYER_INTERFACE,
- MPRIS_DBUS_PLAYER_PATH,
- "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( MPRIS_DBUS_TRACKLIST_INTERFACE,
- MPRIS_DBUS_TRACKLIST_PATH,
- "TrackListChange");
-
- OUT_ARGUMENTS;
-
- playlist_t *p_playlist = ((intf_thread_t*)p_data)->p_sys->p_playlist;
- PL_LOCK;
- dbus_int32_t i_elements = p_playlist->current.i_size;
- PL_UNLOCK;
-
- ADD_INT32( &i_elements );
- SIGNAL_SEND;
-}
-
-/*****************************************************************************
- * TrackListChangeEmit: Emits the TrackListChange signal
- *****************************************************************************/
-/* FIXME: It is not called on tracklist reordering */
-static int TrackListChangeEmit( intf_thread_t *p_intf, int signal, int i_node )
-{
- // "playlist-item-append"
- if( signal == SIGNAL_PLAYLIST_ITEM_APPEND )
- {
- /* don't signal when items are added/removed in p_category */
- playlist_t *p_playlist = p_intf->p_sys->p_playlist;
- PL_LOCK;
- playlist_item_t *p_item = playlist_ItemGetById( p_playlist, i_node );
- assert( p_item );
- while( p_item->p_parent )
- p_item = p_item->p_parent;
- if( p_item == p_playlist->p_root_category )
- {
- PL_UNLOCK;
- return VLC_SUCCESS;
- }
- PL_UNLOCK;
- }
-
- if( p_intf->p_sys->b_dead )
- return VLC_SUCCESS;
-
- UpdateCaps( p_intf );
- TrackListChangeSignal( p_intf->p_sys->p_conn, p_intf );
- return VLC_SUCCESS;
-}
-/*****************************************************************************
- * TrackChange: Playlist item change callback
- *****************************************************************************/
-
-DBUS_SIGNAL( TrackChangeSignal )
-{ /* emit the metadata of the new item */
- SIGNAL_INIT( MPRIS_DBUS_PLAYER_INTERFACE,
- MPRIS_DBUS_PLAYER_PATH,
- "TrackChange" );
-
- OUT_ARGUMENTS;
-
- input_item_t *p_item = (input_item_t*) p_data;
- GetInputMeta ( p_item, &args );
-
- SIGNAL_SEND;
-}
-
-/*****************************************************************************
- * StatusChange: Player status change signal
- *****************************************************************************/
-
-DBUS_SIGNAL( StatusChangeSignal )
-{ /* send the updated status info on the bus */
- SIGNAL_INIT( MPRIS_DBUS_PLAYER_INTERFACE,
- MPRIS_DBUS_PLAYER_PATH,
- "StatusChange" );
-
- OUT_ARGUMENTS;
-
- /* 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 );
-
- SIGNAL_SEND;
-}
-
-/*****************************************************************************
- * 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 )
-static int StateChange( intf_thread_t *p_intf, int i_input_state )
-{
- intf_sys_t *p_sys = p_intf->p_sys;
- playlist_t *p_playlist = p_sys->p_playlist;
- input_thread_t *p_input;
- input_item_t *p_item;
-
- if( p_intf->p_sys->b_dead )
- return VLC_SUCCESS;
-
- UpdateCaps( p_intf );
-
- if( !p_sys->b_meta_read && i_input_state == PLAYING_S )
- {
- p_input = playlist_CurrentInput( p_playlist );
- if( p_input )
- {
- p_item = input_GetItem( p_input );
- if( p_item )
- {
- p_sys->b_meta_read = true;
- TrackChangeSignal( p_sys->p_conn, p_item );
- }
- vlc_object_release( p_input );
- }
- }
-
- if( i_input_state == PLAYING_S || i_input_state == PAUSE_S ||
- i_input_state == END_S )
- {
- StatusChangeSignal( p_sys->p_conn, p_intf );
- }
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * StatusChangeEmit: Emits the StatusChange signal
- *****************************************************************************/
-static int StatusChangeEmit( intf_thread_t * p_intf )
-{
- if( p_intf->p_sys->b_dead )
- return VLC_SUCCESS;
-
- UpdateCaps( p_intf );
- StatusChangeSignal( p_intf->p_sys->p_conn, p_intf );
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * TrackChange: callback on playlist "item-current"
- *****************************************************************************/
-static int TrackChange( intf_thread_t *p_intf )
-{
- intf_sys_t *p_sys = p_intf->p_sys;
- playlist_t *p_playlist = p_sys->p_playlist;
- input_thread_t *p_input = NULL;
- input_item_t *p_item = NULL;
-
- if( p_intf->p_sys->b_dead )
- return VLC_SUCCESS;
-
- if( p_sys->p_input )
- {
- var_DelCallback( p_sys->p_input, "state", AllCallback, p_intf );
- vlc_object_release( p_sys->p_input );
- p_sys->p_input = NULL;
- }
-
- p_sys->b_meta_read = false;
-
- p_input = playlist_CurrentInput( p_playlist );
- if( !p_input )
- {
- return VLC_SUCCESS;
- }
-
- 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 );
- }
-
- p_sys->p_input = p_input;
- var_AddCallback( p_input, "state", AllCallback, p_intf );
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * UpdateCaps: update p_sys->i_caps
- * This function have to be called with the playlist unlocked
- ****************************************************************************/
-static int UpdateCaps( intf_thread_t* p_intf )
-{
- intf_sys_t* p_sys = p_intf->p_sys;
- dbus_int32_t i_caps = CAPS_CAN_HAS_TRACKLIST;
- playlist_t* p_playlist = p_sys->p_playlist;
-
- PL_LOCK;
- if( p_playlist->current.i_size > 0 )
- i_caps |= CAPS_CAN_PLAY | CAPS_CAN_GO_PREV | CAPS_CAN_GO_NEXT;
- PL_UNLOCK;
-
- input_thread_t* p_input = playlist_CurrentInput( p_playlist );
- if( p_input )
- {
- /* 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( 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;
- /** The duration of the track can be expressed in second, milli-seconds and
- µ-seconds */
- dbus_int64_t i_mtime = input_item_GetDuration( p_input );
- dbus_uint32_t i_time = i_mtime / 1000000;
- dbus_int64_t i_length = i_mtime / 1000;
-
- const char* ppsz_meta_items[] =
- {
- /* Official MPRIS metas */
- "location", "title", "artist", "album", "tracknumber", "time", "mtime",
- "genre", "rating", "date", "arturl",
- "audio-bitrate", "audio-samplerate", "video-bitrate",
- /* VLC specifics metas */
- "audio-codec", "copyright", "description", "encodedby", "language", "length",
- "nowplaying", "publisher", "setting", "status", "trackid", "url",
- "video-codec"
- };
-
- dbus_message_iter_open_container( args, DBUS_TYPE_ARRAY, "{sv}", &dict );
-
- ADD_VLC_META_STRING( 0, URI );
- ADD_VLC_META_STRING( 1, Title );
- ADD_VLC_META_STRING( 2, Artist );
- ADD_VLC_META_STRING( 3, Album );
- ADD_VLC_META_STRING( 4, TrackNum );
- ADD_META( 5, DBUS_TYPE_UINT32, i_time );
- ADD_META( 6, DBUS_TYPE_UINT32, i_mtime );
- ADD_VLC_META_STRING( 7, Genre );
- ADD_VLC_META_STRING( 8, Rating );
- ADD_VLC_META_STRING( 9, Date );
- ADD_VLC_META_STRING( 10, ArtURL );
-
- ADD_VLC_META_STRING( 15, Copyright );
- ADD_VLC_META_STRING( 16, Description );
- ADD_VLC_META_STRING( 17, EncodedBy );
- ADD_VLC_META_STRING( 18, Language );
- ADD_META( 19, DBUS_TYPE_INT64, i_length );
- ADD_VLC_META_STRING( 20, NowPlaying );
- ADD_VLC_META_STRING( 21, Publisher );
- ADD_VLC_META_STRING( 22, Setting );
- ADD_VLC_META_STRING( 24, TrackID );
- ADD_VLC_META_STRING( 25, URL );
-
- vlc_mutex_lock( &p_input->lock );
- if( p_input->p_meta )
- {
- int i_status = vlc_meta_GetStatus( p_input->p_meta );
- ADD_META( 23, DBUS_TYPE_INT32, i_status );
- }
- vlc_mutex_unlock( &p_input->lock );
-
- 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 )
-{ /* 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;
- int i_val;
- playlist_t* p_playlist = p_intf->p_sys->p_playlist;
- input_thread_t* p_input = NULL;
-
- i_state = 2;
-
- p_input = playlist_CurrentInput( p_playlist );
- if( p_input )
- {
- i_val = var_GetInteger( p_input, "state" );
- if( i_val >= END_S )
- i_state = 2;
- else if( i_val == PAUSE_S )
- i_state = 1;
- else if( i_val <= PLAYING_S )
- i_state = 0;
- vlc_object_release( p_input );
- }
-
- i_random = var_CreateGetBool( p_playlist, "random" );
-
- i_repeat = var_CreateGetBool( p_playlist, "repeat" );
-
- i_loop = var_CreateGetBool( p_playlist, "loop" );
-
- 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;
-}
projects / vlc / blobdiff