1 /*****************************************************************************
2 * control.c : Handle control of the playlist & running through it
3 *****************************************************************************
4 * Copyright (C) 1999-2004 the VideoLAN team
7 * Authors: Samuel Hocevar <sam@zoy.org>
8 * Clément Stenac <zorglub@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
28 #include <vlc_common.h>
29 #include "vlc_playlist.h"
30 #include "playlist_internal.h"
33 /*****************************************************************************
35 *****************************************************************************/
36 static int PlaylistVAControl( playlist_t
* p_playlist
, int i_query
, va_list args
);
38 /*****************************************************************************
40 *****************************************************************************/
42 static vlc_mutex_t global_lock
= VLC_STATIC_MUTEX
;
45 playlist_t
*pl_Get (vlc_object_t
*obj
)
48 libvlc_int_t
*p_libvlc
= obj
->p_libvlc
;
50 vlc_mutex_lock (&global_lock
);
51 pl
= libvlc_priv (p_libvlc
)->p_playlist
;
54 if (!libvlc_priv (p_libvlc
)->playlist_active
)
56 playlist_Activate (pl
);
57 libvlc_priv (p_libvlc
)->playlist_active
= true;
59 vlc_mutex_unlock (&global_lock
);
63 void pl_Deactivate (libvlc_int_t
*p_libvlc
)
67 vlc_mutex_lock (&global_lock
);
68 deactivate
= libvlc_priv (p_libvlc
)->playlist_active
;
69 vlc_mutex_unlock (&global_lock
);
72 playlist_Deactivate (libvlc_priv (p_libvlc
)->p_playlist
);
75 void playlist_Lock( playlist_t
*pl
)
77 vlc_mutex_lock( &pl_priv(pl
)->lock
);
80 void playlist_Unlock( playlist_t
*pl
)
82 vlc_mutex_unlock( &pl_priv(pl
)->lock
);
85 void playlist_AssertLocked( playlist_t
*pl
)
87 vlc_assert_locked( &pl_priv(pl
)->lock
);
90 int playlist_Control( playlist_t
* p_playlist
, int i_query
,
95 PL_LOCK_IF( !b_locked
);
96 va_start( args
, b_locked
);
97 i_result
= PlaylistVAControl( p_playlist
, i_query
, args
);
99 PL_UNLOCK_IF( !b_locked
);
104 static int PlaylistVAControl( playlist_t
* p_playlist
, int i_query
, va_list args
)
106 playlist_item_t
*p_item
, *p_node
;
110 if( !vlc_object_alive( p_playlist
) )
113 if( playlist_IsEmpty( p_playlist
) && i_query
!= PLAYLIST_STOP
)
119 pl_priv(p_playlist
)->request
.i_status
= PLAYLIST_STOPPED
;
120 pl_priv(p_playlist
)->request
.b_request
= true;
121 pl_priv(p_playlist
)->request
.p_item
= NULL
;
124 // Node can be null, it will keep the same. Use with care ...
125 // Item null = take the first child of node
126 case PLAYLIST_VIEWPLAY
:
127 p_node
= (playlist_item_t
*)va_arg( args
, playlist_item_t
* );
128 p_item
= (playlist_item_t
*)va_arg( args
, playlist_item_t
* );
129 if ( p_node
== NULL
)
131 p_node
= get_current_status_node( p_playlist
);
134 pl_priv(p_playlist
)->request
.i_status
= PLAYLIST_RUNNING
;
135 pl_priv(p_playlist
)->request
.i_skip
= 0;
136 pl_priv(p_playlist
)->request
.b_request
= true;
137 pl_priv(p_playlist
)->request
.p_node
= p_node
;
138 pl_priv(p_playlist
)->request
.p_item
= p_item
;
139 if( p_item
&& var_GetBool( p_playlist
, "random" ) )
140 pl_priv(p_playlist
)->b_reset_currently_playing
= true;
144 if( pl_priv(p_playlist
)->p_input
)
146 var_SetInteger( pl_priv(p_playlist
)->p_input
, "state", PLAYING_S
);
151 pl_priv(p_playlist
)->request
.i_status
= PLAYLIST_RUNNING
;
152 pl_priv(p_playlist
)->request
.b_request
= true;
153 pl_priv(p_playlist
)->request
.p_node
= get_current_status_node( p_playlist
);
154 pl_priv(p_playlist
)->request
.p_item
= get_current_status_item( p_playlist
);
155 pl_priv(p_playlist
)->request
.i_skip
= 0;
160 if( !pl_priv(p_playlist
)->p_input
)
161 { /* FIXME: is this really useful without input? */
162 pl_priv(p_playlist
)->status
.i_status
= PLAYLIST_PAUSED
;
163 /* return without notifying the playlist thread as there is nothing to do */
167 if( var_GetInteger( pl_priv(p_playlist
)->p_input
, "state" ) == PAUSE_S
)
169 pl_priv(p_playlist
)->status
.i_status
= PLAYLIST_RUNNING
;
170 var_SetInteger( pl_priv(p_playlist
)->p_input
, "state", PLAYING_S
);
174 pl_priv(p_playlist
)->status
.i_status
= PLAYLIST_PAUSED
;
175 var_SetInteger( pl_priv(p_playlist
)->p_input
, "state", PAUSE_S
);
180 pl_priv(p_playlist
)->request
.p_node
= get_current_status_node( p_playlist
);
181 pl_priv(p_playlist
)->request
.p_item
= get_current_status_item( p_playlist
);
182 pl_priv(p_playlist
)->request
.i_skip
= (int) va_arg( args
, int );
183 /* if already running, keep running */
184 if( pl_priv(p_playlist
)->status
.i_status
!= PLAYLIST_STOPPED
)
185 pl_priv(p_playlist
)->request
.i_status
= pl_priv(p_playlist
)->status
.i_status
;
186 pl_priv(p_playlist
)->request
.b_request
= true;
190 msg_Err( p_playlist
, "unknown playlist query" );
193 vlc_cond_signal( &pl_priv(p_playlist
)->signal
);
198 /*****************************************************************************
200 *****************************************************************************/
201 /** Enqueue an item for preparsing */
202 int playlist_PreparseEnqueue( playlist_t
*p_playlist
, input_item_t
*p_item
)
204 playlist_private_t
*p_sys
= pl_priv(p_playlist
);
206 if( unlikely(p_sys
->p_preparser
== NULL
) )
208 playlist_preparser_Push( p_sys
->p_preparser
, p_item
);
212 int playlist_AskForArtEnqueue( playlist_t
*p_playlist
, input_item_t
*p_item
)
214 playlist_private_t
*p_sys
= pl_priv(p_playlist
);
216 if( unlikely(p_sys
->p_fetcher
== NULL
) )
218 playlist_fetcher_Push( p_sys
->p_fetcher
, p_item
);