Commit 42c42160 authored by Rafaël Carré's avatar Rafaël Carré

dbus: updates to match the current status of MPRIS. Patch by Mirsal Ennaime as usual

parent 95466d5e
/*****************************************************************************
* dbus.c : D-Bus control interface
*****************************************************************************
* Copyright (C) 2006 Rafaël Carré
* Copyright © 2006-2007 Rafaël Carré
* Copyright © 2007 Mirsal Ennaime
* $Id$
*
* Authors: Rafaël Carré <funman at videolanorg>
......@@ -28,9 +29,10 @@
* 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 (still drafting on June, 25 of 2007):
* http://wiki.xmms2.xmms.se/index.php/Media_Player_Interfaces
* "If you use this low-level API directly, you're signing up for some pain."
*
* MPRIS Specification (still drafting on Oct, 23 of 2007):
* http://wiki.xmms2.xmms.se/index.php/MPRIS
*/
/*****************************************************************************
......@@ -62,13 +64,16 @@ static int StateChange( vlc_object_t *, const char *, vlc_value_t,
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 GetInputMeta ( input_item_t *, DBusMessageIter * );
static int MarshalStatus ( intf_thread_t *, DBusMessageIter * );
struct intf_sys_t
{
DBusConnection *p_conn;
vlc_bool_t b_meta_read;
input_thread_t *p_input;
};
/*****************************************************************************
......@@ -229,31 +234,18 @@ DBUS_METHOD( Stop )
}
DBUS_METHOD( GetStatus )
{ /* returns an int: 0=playing 1=paused 2=stopped */
{ /* 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;
dbus_int32_t i_status;
vlc_value_t val;
playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
PL_LOCK;
input_thread_t *p_input = p_playlist->p_input;
i_status = 2;
if( p_input )
{
var_Get( p_input, "state", &val );
if( val.i_int == PAUSE_S )
i_status = 1;
else if( val.i_int == PLAYING_S )
i_status = 0;
}
MarshalStatus( p_this, &args );
PL_UNLOCK;
pl_Release( p_playlist );
ADD_INT32( &i_status );
REPLY_SEND;
}
......@@ -633,7 +625,6 @@ static int Open( vlc_object_t *p_this )
return VLC_ENOMEM;
p_sys->b_meta_read = VLC_FALSE;
p_sys->p_input = NULL;
dbus_error_init( &error );
......@@ -672,6 +663,9 @@ static int Open( vlc_object_t *p_this )
p_playlist = pl_Yield( p_intf );
PL_LOCK;
var_AddCallback( p_playlist, "playlist-current", TrackChange, 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 );
......@@ -690,12 +684,25 @@ 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 );;
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, "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;
if( p_intf->p_sys->p_input )
var_DelCallback( p_intf->p_sys->p_input, "state", StateChange, p_intf );
pl_Release( p_playlist );
dbus_connection_unref( p_intf->p_sys->p_conn );
......@@ -731,6 +738,20 @@ DBUS_SIGNAL( TrackChangeSignal )
SIGNAL_SEND;
}
/*****************************************************************************
* StatusChange: Player status change signal
*****************************************************************************/
DBUS_SIGNAL( StatusChangeSignal )
{ /* send the updated status info on the bus */
SIGNAL_INIT( "StatusChange" );
OUT_ARGUMENTS;
MarshalStatus( (intf_thread_t*) p_data, &args );
SIGNAL_SEND;
}
/*****************************************************************************
* StateChange: callback on input "state"
*****************************************************************************/
......@@ -740,6 +761,9 @@ 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_this->b_dead )
return VLC_SUCCESS;
if( !p_sys->b_meta_read && newval.i_int == PLAYING_S )
{
input_item_t *p_item = input_GetItem( (input_thread_t*)p_this );
......@@ -750,6 +774,25 @@ static int StateChange( vlc_object_t *p_this, const char* psz_var,
}
}
if( newval.i_int == PLAYING_S || newval.i_int == PAUSE_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 )
{
if( p_this->b_dead )
return VLC_SUCCESS;
StatusChangeSignal( ((intf_thread_t*)p_data)->p_sys->p_conn, p_data );
return VLC_SUCCESS;
}
......@@ -767,6 +810,9 @@ 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_this->b_dead )
return VLC_SUCCESS;
p_sys->b_meta_read = VLC_FALSE;
p_playlist = pl_Yield( p_intf );
......@@ -791,17 +837,13 @@ static int TrackChange( vlc_object_t *p_this, const char *psz_var,
return VLC_EGENERIC;
}
p_sys->p_input = NULL;
if( input_item_IsPreparsed( p_item ) )
{
p_sys->b_meta_read = VLC_TRUE;
TrackChangeSignal( p_sys->p_conn, p_item );
}
else
{
var_AddCallback( p_input, "state", StateChange, p_intf );
p_sys->p_input = p_input;
}
vlc_object_release( p_input );
return VLC_SUCCESS;
......@@ -835,8 +877,7 @@ static int TrackChange( vlc_object_t *p_this, const char *psz_var,
static int GetInputMeta( input_item_t* p_input,
DBusMessageIter *args )
{ /*FIXME: Works only for already read metadata. */
{
DBusMessageIter dict, dict_entry, variant;
/* We need the track length to be expressed in seconds
* instead of milliseconds */
......@@ -885,3 +926,57 @@ static int GetInputMeta( input_item_t* p_input,
#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;
vlc_value_t val;
playlist_t* p_playlist = NULL;
input_thread_t* p_input = NULL;
p_playlist = pl_Yield( (vlc_object_t*) p_intf );
PL_LOCK;
p_input = p_playlist->p_input;
i_state = 2;
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;
}
var_Get( p_playlist, "random", &val );
i_random = val.i_int;
var_Get( p_playlist, "repeat", &val );
i_repeat = val.i_int;
var_Get( p_playlist, "loop", &val );
i_loop = val.i_int;
PL_UNLOCK;
pl_Release( p_playlist );
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;
}
......@@ -110,7 +110,7 @@ const char* psz_introspection_xml_data_player =
" </interface>\n"
" <interface name=\"org.freedesktop.MediaPlayer\">\n"
" <method name=\"GetStatus\">\n"
" <arg type=\"i\" direction=\"out\" />\n"
" <arg type=\"(iiii)\" direction=\"out\" />\n"
" </method>\n"
" <method name=\"Quit\">\n"
" </method>\n"
......@@ -146,7 +146,7 @@ const char* psz_introspection_xml_data_player =
" <arg type=\"a{sv}\"/>\n"
" </signal>\n"
" <signal name=\"StatusChange\">\n"
" <arg type=\"i\"/>\n"
" <arg type=\"(iiii)\"/>\n"
" </signal>\n"
" <signal name=\"CapsChange\">\n"
" <arg type=\"i\"/>\n"
......
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