*****************************************************************************
* Copyright © 2006-2008 Rafaël Carré
* Copyright © 2007-2008 Mirsal Ennaime
+ * Copyright © 2009 The VideoLAN team
* $Id$
*
* Authors: Rafaël Carré <funman at videolanorg>
* extract:
* "If you use this low-level API directly, you're signing up for some pain."
*
- * MPRIS Specification (still drafting on Jan, 23 of 2008):
+ * MPRIS Specification version 1.0
* http://wiki.xmms2.xmms.se/index.php/MPRIS
*/
#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>
static void Close ( vlc_object_t * );
static void Run ( intf_thread_t * );
-static int StateChange( vlc_object_t *, const char *, vlc_value_t,
- vlc_value_t, void * );
+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 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 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 *, bool );
-static int UpdateCaps( intf_thread_t*, bool );
+static int MarshalStatus ( intf_thread_t *, DBusMessageIter * );
+static int UpdateCaps( intf_thread_t* );
/* GetCaps() capabilities */
enum
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;
- bool b_meta_read;
+ bool b_meta_read;
dbus_int32_t i_caps;
- bool b_dead;
+ bool b_dead;
+ vlc_array_t *p_events;
+ vlc_mutex_t lock;
};
+typedef struct
+{
+ int signal;
+ int i_node;
+ int i_input_state;
+} callback_info_t;
+
+
/*****************************************************************************
* Module descriptor
*****************************************************************************/
if( p_input )
{
- position.i_time = i_pos * 1000;
+ position.i_time = ((mtime_t)i_pos) * 1000;
var_Set( p_input, "time", position );
vlc_object_release( p_input );
}
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 );
+ playlist_t *p_playlist = pl_Hold( ((vlc_object_t*) p_this) );
+ aout_VolumeGet( p_playlist, &i_vol );
+ pl_Release( ((vlc_object_t*) p_this) );
+
double f_vol = 100. * i_vol / AOUT_VOLUME_MAX;
i_dbus_vol = round( f_vol );
ADD_INT32( &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 );
-
+ playlist_t *p_playlist = pl_Hold( ((vlc_object_t*) p_this) );
+ aout_VolumeSet( p_playlist, i_vol );
+ pl_Release( ((vlc_object_t*) p_this) );
REPLY_SEND;
}
REPLY_INIT;
OUT_ARGUMENTS;
- MarshalStatus( p_this, &args, true );
+ MarshalStatus( p_this, &args );
REPLY_SEND;
}
playlist_t* p_playlist = pl_Hold( (vlc_object_t*) p_this );
PL_LOCK;
playlist_item_t* p_item = playlist_CurrentPlayingItem( p_playlist );
- if( p_item )
+ if( p_item )
GetInputMeta( p_item->p_input, &args );
PL_UNLOCK;
pl_Release( (vlc_object_t*) p_this );
dbus_error_init( &error );
dbus_int32_t i_position;
-
- playlist_t *p_playlist = pl_Hold( (vlc_object_t*) p_this );
- PL_LOCK;
+ playlist_t *p_playlist;
dbus_message_get_args( p_from, &error,
DBUS_TYPE_INT32, &i_position,
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",
error.message );
dbus_error_free( &error );
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
+ p_playlist = pl_Hold( (vlc_object_t*) p_this );
+ PL_LOCK;
if( i_position < p_playlist->current.i_size )
{
GetInputMeta( p_playlist->current.p_elems[i_position]->p_input, &args );
dbus_error_init( &error );
dbus_int32_t i_position;
- playlist_t *p_playlist = pl_Hold( (vlc_object_t*) p_this );
+ playlist_t *p_playlist;
dbus_message_get_args( p_from, &error,
DBUS_TYPE_INT32, &i_position,
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
+ p_playlist = pl_Hold( (vlc_object_t*) p_this );
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,
+ p_playlist->current.p_elems[i_position]->p_input,
pl_Locked );
}
PL_UNLOCK;
DBusError error;
dbus_bool_t b_loop;
- vlc_value_t val;
- playlist_t* p_playlist = NULL;
+ playlist_t* p_playlist;
dbus_error_init( &error );
dbus_message_get_args( p_from, &error,
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
- val.b_bool = ( b_loop == TRUE ) ? true : false ;
p_playlist = pl_Hold( (vlc_object_t*) p_this );
- var_Set ( p_playlist, "loop", val );
+ var_SetBool( p_playlist, "loop", ( b_loop == TRUE ) );
pl_Release( ((vlc_object_t*) p_this) );
REPLY_SEND;
DBusError error;
dbus_bool_t b_repeat;
- vlc_value_t val;
- playlist_t* p_playlist = NULL;
+ playlist_t* p_playlist;
dbus_error_init( &error );
dbus_message_get_args( p_from, &error,
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
- val.b_bool = ( b_repeat == TRUE ) ? true : false ;
-
p_playlist = pl_Hold( (vlc_object_t*) p_this );
- var_Set ( p_playlist, "repeat", val );
+ var_SetBool( p_playlist, "repeat", ( b_repeat == TRUE ) );
pl_Release( ((vlc_object_t*) p_this) );
REPLY_SEND;
DBusError error;
dbus_bool_t b_random;
- vlc_value_t val;
- playlist_t* p_playlist = NULL;
+ playlist_t* p_playlist;
dbus_error_init( &error );
dbus_message_get_args( p_from, &error,
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
- val.b_bool = ( b_random == TRUE ) ? true : false ;
-
p_playlist = pl_Hold( (vlc_object_t*) p_this );
- var_Set ( p_playlist, "random", val );
+ var_SetBool( p_playlist, "random", ( b_random == TRUE ) );
pl_Release( ((vlc_object_t*) p_this) );
REPLY_SEND;
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_Hold( p_intf );
PL_LOCK;
- var_AddCallback( p_playlist, "item-current", TrackChange, p_intf );
- var_AddCallback( p_playlist, "intf-change", TrackListChangeEmit, p_intf );
- var_AddCallback( p_playlist, "playlist-item-append", TrackListChangeEmit, p_intf );
- var_AddCallback( p_playlist, "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 );
+ 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 );
PL_UNLOCK;
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 );
+ UpdateCaps( p_intf );
return VLC_SUCCESS;
}
playlist_t *p_playlist = pl_Hold( p_intf );;
input_thread_t *p_input;
- var_DelCallback( p_playlist, "item-current", TrackChange, p_intf );
- var_DelCallback( p_playlist, "intf-change", TrackListChangeEmit, p_intf );
- var_DelCallback( p_playlist, "playlist-item-append", TrackListChangeEmit, p_intf );
- var_DelCallback( p_playlist, "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 );
+ 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 );
p_input = playlist_CurrentInput( p_playlist );
if ( p_input )
{
- var_DelCallback( p_input, "state", StateChange, p_intf );
+ var_DelCallback( p_input, "state", AllCallback, p_intf );
vlc_object_release( p_input );
}
dbus_connection_unref( p_intf->p_sys->p_conn );
+ // Free the events array
+ for( int i = 0; i < vlc_array_count( p_intf->p_sys->p_events ); i++ )
+ {
+ callback_info_t* info = vlc_array_item_at_index( p_intf->p_sys->p_events, i );
+ free( info );
+ }
+ vlc_mutex_destroy( &p_intf->p_sys->lock );
+ vlc_array_destroy( p_intf->p_sys->p_events );
free( p_intf->p_sys );
}
{
for( ;; )
{
- msleep( INTF_IDLE_SLEEP );
+ 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
*****************************************************************************/
}
/******************************************************************************
- * TrackListChange: tracklist order / length change signal
+ * TrackListChange: tracklist order / length change signal
*****************************************************************************/
DBUS_SIGNAL( TrackListChangeSignal )
{ /* emit the new tracklist lengh */
* 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 )
+static int TrackListChangeEmit( intf_thread_t *p_intf, int signal, int i_node )
{
- VLC_UNUSED(oldval);
- intf_thread_t *p_intf = p_data;
-
- if( !strcmp( psz_var, "playlist-item-append" ) )
+ // "playlist-item-append"
+ if( signal == SIGNAL_PLAYLIST_ITEM_APPEND )
{
/* 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 );
+ playlist_t *p_playlist = pl_Hold( p_intf );
+ 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;
+ pl_Release( p_intf );
return VLC_SUCCESS;
+ }
+ PL_UNLOCK;
+ pl_Release( p_intf );
}
if( p_intf->p_sys->b_dead )
return VLC_SUCCESS;
- UpdateCaps( p_intf, true );
- TrackListChangeSignal( p_intf->p_sys->p_conn, p_data );
+ UpdateCaps( p_intf );
+ TrackListChangeSignal( p_intf->p_sys->p_conn, p_intf );
return VLC_SUCCESS;
}
/*****************************************************************************
/* 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 );
+ 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( 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 )
{
- 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;
+ playlist_t *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, true );
+ UpdateCaps( p_intf );
- if( !p_sys->b_meta_read && newval.i_int == PLAYING_S )
+ if( !p_sys->b_meta_read && i_input_state == PLAYING_S )
{
- input_item_t *p_item = input_GetItem( (input_thread_t*)p_this );
- if( p_item )
+ p_playlist = pl_Hold( p_intf );
+ p_input = playlist_CurrentInput( p_playlist );
+ if( p_input )
{
- p_sys->b_meta_read = true;
- TrackChangeSignal( p_sys->p_conn, p_item );
+ 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 );
}
+ pl_Release( p_intf );
}
- if( newval.i_int == PLAYING_S || newval.i_int == PAUSE_S ||
- newval.i_int == END_S )
+ if( i_input_state == PLAYING_S || i_input_state == PAUSE_S ||
+ i_input_state == END_S )
{
- StatusChangeSignal( p_sys->p_conn, (void*) p_intf );
+ StatusChangeSignal( p_sys->p_conn, 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 )
+static int StatusChangeEmit( intf_thread_t * p_intf )
{
- VLC_UNUSED(p_this); VLC_UNUSED(psz_var);
- VLC_UNUSED(oldval); VLC_UNUSED(newval);
- intf_thread_t *p_intf = p_data;
-
if( p_intf->p_sys->b_dead )
return VLC_SUCCESS;
- UpdateCaps( p_intf, false );
- StatusChangeSignal( p_intf->p_sys->p_conn, p_data );
+ UpdateCaps( p_intf );
+ StatusChangeSignal( p_intf->p_sys->p_conn, p_intf );
return VLC_SUCCESS;
}
/*****************************************************************************
* TrackChange: callback on playlist "item-current"
*****************************************************************************/
-static int TrackChange( vlc_object_t *p_this, const char *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
+static int TrackChange( intf_thread_t *p_intf )
{
- 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;
input_item_t *p_item = NULL;
- VLC_UNUSED( p_this ); VLC_UNUSED( psz_var );
- VLC_UNUSED( oldval ); VLC_UNUSED( newval );
if( p_intf->p_sys->b_dead )
return VLC_SUCCESS;
TrackChangeSignal( p_sys->p_conn, p_item );
}
- var_AddCallback( p_input, "state", StateChange, p_intf );
+ var_AddCallback( p_input, "state", AllCallback, p_intf );
vlc_object_release( p_input );
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, bool b_playlist_locked )
+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 = pl_Hold( p_intf );
- if( !b_playlist_locked ) PL_LOCK;
-
+
+ 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;
+ PL_UNLOCK;
input_thread_t* p_input = playlist_CurrentInput( p_playlist );
if( p_input )
* MarshalStatus: Fill a DBusMessage with the current player status
*****************************************************************************/
-static int MarshalStatus( intf_thread_t* p_intf, DBusMessageIter* args,
- bool lock )
+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 */
projects / vlc / blobdiff